JP2002248696A - Apparatus for manufacturing heat insulating container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for efficiently manufacturing a heat insulating container. SOLUTION: The manufacturing apparatus 10 for manufacturing a heat insulating container by combining a sleeve with the outer periphery of a cup main body is provided with a cup holder 100 equipped with a wheel for receiving the curl provided to the end edge of the cup main body and a flange receiving the side wall of the cup main body from the inside thereof, a curl processing device for pressing the curl part of the cup main body to a curl receiving member to deform the same, a rib processing device for pressing the side wall of the cup main body to the flange to deform the same, an adhesive coating device 40 for applying an adhesive to the outer periphery of the cup main body receiving the processings due to the curl processing device and the rib processing device, and a sleeve supply device 50 for covering the outer periphery coated with the adhesive of the cup main body with the sleeve.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manufacturing apparatus for completing a heat insulating container by attaching a sleeve to the outer periphery of a container body.

[0002]

2. Description of the Related Art As a paper container suitable for pouring hot water or the like, for example, Japanese Utility Model Laid-Open Publication No. 52-97282 and Japanese Patent Laid-Open No. 4-20184.
As described in Japanese Patent Publication No. 0, there is known a container in which a sleeve is covered on the outer periphery of a container body to improve heat insulation.

[0003]

In the case of manufacturing the above-mentioned heat-insulating container, a Peter line indicating an appropriate amount of an injection material such as hot water, a rib for reinforcing the container body, or a curl portion of the container body is formed into a film. Various processes such as processing into a shape suitable for bonding the lid material are required, and development of an apparatus capable of efficiently processing a series of these operations is desired.

An object of the present invention is to provide an apparatus capable of efficiently manufacturing the above-mentioned heat insulating container.

[0005]

Hereinafter, the present invention will be described. In addition, in order to facilitate understanding of the present invention, reference numerals in the accompanying drawings are added in parentheses, but the present invention is not limited to the illustrated embodiment.

A first aspect of the present invention is a manufacturing apparatus (10) for manufacturing a heat insulating container (1) by combining a sleeve (3) with an outer periphery of a container main body (2), provided at an edge of the container main body. A container holder (100) including a curl receiving member (106) for receiving the curled portion (2c) and a side wall receiving member (105a) for receiving the side wall (2a) of the container body from the inside; A curling device (34) for pressing the curl portion against the curl receiving member to deform the curl portion; a rib processing device (32) for pressing the side wall of the container body against the side wall receiving member to deform the curl portion; An adhesive application device (40) for applying an adhesive (4) to the outer periphery of the container body that has been processed by the rib processing device; and an adhesive application device (40) for applying the adhesive. The insulated container manufacturing apparatus and a sleeve feeder (50) covering said sleeve in a circumferential, solving the above problems.

According to the present invention, the processing of the curled portion of the container main body, the processing of the ribs and the like on the side wall, and the bonding of the processed container main body and the sleeve are continuously performed in the same apparatus. In addition, an insulated container can be manufactured efficiently.

According to a second aspect of the present invention, in the manufacturing apparatus according to the first aspect, the sleeve (3) supplied by the sleeve supply device (50) is held on the container holder (100). A sleeve aligning device (60) for pushing the container body (2) toward the container body (2) is provided. Therefore, the sleeve can be mounted at the correct position with respect to the container body, and both can be securely joined.

According to a third aspect of the present invention, in the manufacturing apparatus according to the second aspect, after the processing by the sleeve aligning device (60), the quality of the combination of the container body (2) and the sleeve (3) is inspected. Inspection device (7
0) is provided. Therefore, it is possible to detect a failure in assembling the sleeve and take appropriate measures.

According to a fourth aspect of the present invention, in the manufacturing apparatus according to the second or third aspect, the sleeve aligning device (6
After the processing according to (0), a sleeve inspection device (70) for inspecting the molding quality of the sleeve (3) is provided. Therefore, it is possible to detect a molding failure of the sleeve and take appropriate measures.

According to a fifth aspect of the present invention, there is provided the manufacturing apparatus according to the first aspect, further comprising a transfer device (12, 13) for transferring the container holder (100) along a predetermined transfer path, wherein A processing device (34), the rib processing device (32), the adhesive application device (40), and the sleeve supply device (50) are provided along the transport path. Accordingly, the curl processing device, the rib processing device, the adhesive application device, and the sleeve supply device are arranged along the transport path so as not to interfere with each other, and the processing by each device can be efficiently linked.

According to a sixth aspect of the present invention, there is provided a manufacturing apparatus for manufacturing a heat insulating container (1) by combining a sleeve (3) with an outer periphery of a container body (2), wherein the container body is turned upside down. A container holder (100) for holding, and a sleeve supply device (5) for covering the outer periphery of the container body held by the container holder with the sleeve from above the container body.
0) and a sleeve aligning device (6) for pushing the sleeve covered on the container body toward the container body.
0), wherein the sleeve aligning apparatus comprises: a aligning jig (61) facing an upper end of the sleeve covered on the container body; and a jig for driving the aligning jig toward the container holder. A jig main body (610) having a pushing portion (610b) capable of abutting on an upper end of the sleeve; and a jig body (610) having the pushing portion. Prior to the pushing, a centering member (6) which engages with the sleeve and radially displaces the sleeve so as to be centered with the container body.
12), the centering member is provided coaxially with the jig main body and movably in the pushing direction of the sleeve. The above-mentioned problem is solved by an apparatus for manufacturing a heat insulating container, wherein a centering surface (612a) whose diameter decreases toward the sleeve side is provided.

According to the present invention, the sleeve covered on the outer periphery of the container main body is displaced in the radial direction of the container main body by the centering surface of the centering member, and is centered on the container main body. You can push it. This allows
The possibility that the sleeve will be pushed in while the core between the sleeve and the container body is displaced and a manufacturing defect occurs is reduced. Since the centering member is provided coaxially with the jig body of the centering jig, the centering member can be smoothly guided with respect to the jig body, and the certainty of the centering action can be increased. .

According to a seventh aspect of the present invention, there is provided a manufacturing apparatus for manufacturing a heat insulating container by combining a sleeve (3) with an outer periphery of a container main body (2), wherein the container is held around the axis of the container main body while holding the container main body. An adhesive application including a container holder (100) having a rotatable rotating body (102), and nozzle means (410) for spraying an adhesive toward an outer periphery of the container body held on the container holder. An imaging device (40) for photographing an image of an imaging range (420) set between the nozzle means and the adhesion range of the side wall of the container body. 421)
And determining means (424) for determining whether the state of spraying of the adhesive is good or not based on the ratio of the area of the gradation corresponding to the adhesive in the image of the photographing range. The object described above is solved by a manufacturing apparatus for a heat insulating container, which is a feature of the present invention.

According to the present invention, the adhesive is uniformly applied to the outer periphery of the container body along the circumferential direction by spraying the adhesive on the outer periphery while rotating the container body supported on the rotating body. Can be. If the amount of the adhesive discharged from the nozzle means is excessive or too small, or if the amount of the adhesive is appropriate but the discharge direction is inappropriate, the gradation corresponding to the adhesive in the image of the photographing range is obtained. Since the ratio occupied by the region indicates an abnormality, it is possible to reliably detect a defective supply of the adhesive and take appropriate measures.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a paper cup as a heat insulating container manufactured according to the present invention, and FIG. 2 schematically shows a procedure for manufacturing the paper cup.

As shown in these figures, the paper cup 1
It is configured by combining a cup body 2 as a container body and a sleeve 3 covering the outer periphery thereof. The cup body 2 is formed in a substantially truncated cone shape having a side wall 2a and a bottom 2b. A curled portion 2c is formed at the mouth of the cup body 2 toward the outside. After the formation of the curled portion 2c, the rib 2 is formed on the side wall 2a.
d and 2e are formed so as to bulge radially inward or outward of the cup body 2, respectively. The rib 2d is provided as a Peter line indicating an appropriate position of an injection material (for example, hot water) into the cup body 2. On the other hand, the rib 2e is
Is provided to reinforce. The rib 2e is formed somewhat larger than the rib 2d. The protrusion amounts of the ribs 2 d and 2 e are determined so as not to contact the inner surface of the sleeve 3. The material of the cup body 2 is, for example, a basis weight of 150 to 40.
0 g / m 2 paper is used, and at least the inner surface thereof is covered with a coating layer (for example, a polyethylene layer) for improving heat resistance and water resistance. Note that the rib 2d may project outside the cup body 2, and the rib 2e may project inside the cup body 2.

The sleeve 3 is provided to enhance the heat insulation of the paper cup 1. As is clear from FIG. 2, both ends 3c and 3c of the fan-shaped blank 3 'are bonded together, and an inward curl portion 3a is formed at the lower end to form the sleeve 3. Then, the adhesive 4 is applied to a predetermined bonding area (hatched area in FIG. 2) BD set immediately below the curled portion 2c of the cup body 2, the cup body 2 and the sleeve 3 are combined, and the upper end of the sleeve 3 3b and the side wall 2a of the cup body 2 are adhered to each other to form the paper cup 1. When the rib 2d bulges outward in the radial direction of the cup body 2, the bonding range BD is set so as not to include the rib 2d. The material of the sleeve 3 is, for example, a basis weight of 150 to 40.
0 g / m ² paper is used. When the sleeve 3 is not likely to come in contact with hot water or water, it is not necessary to provide a coating layer such as the cup body 2 on the sleeve 3.

As shown in FIG. 3, the cross-sectional shape of the curl portion 2c is such that a perfect circle is crushed in the axial direction of the cup 2 (vertical direction in FIG. 3). It has a flat shape in the direction orthogonal to the direction, and a ruled line 2f is thinly formed on the outer peripheral end. When the thickness of the cup body 2 is t, the height A in the axial direction of the curled portion 2c is:
There is a relationship of the following equation (1) between the width B and the width B in the direction perpendicular to the width.

[0020]

2t <A <B (1) That is, the height A of the curled portion 2c is larger than twice the thickness t of the cup body 2 and smaller than the width B of the curled portion 2c. If the curled portion 2c is formed in a flat shape as described above, the width C at which the curled portion 2c and the lid 7 are joined via the adhesive 4 when the film-shaped lid 7 is attached to the curled portion 2c. And the lid 7 can be securely joined with a predetermined strength. Note that the preferable range of the joining strength changes according to the type of the article housed inside the cup body 2.
As an example, when pouring hot water into the cup body 2 with the lid 7 partially peeled off like instant noodles and removing the lid 7 after a certain period of time, the force for peeling off the lid 7 is 400 to
It is preferable to set the bonding strength so as to have a width of 900 gf / 15 mm.

FIGS. 4 to 6 show the ribs 2d and 2e for the cup body 2 in the manufacturing process of the paper cup 1 shown in FIG.
FIG. 4 is a plan view, and FIG. 5 is a view showing an apparatus for molding the sleeve 3 and assembling the sleeve 3 to the cup body 2.
5 is a side view from the V direction, and FIG. 6 is a side view from the VI direction in FIG.

The apparatus 10 includes a frame 11 installed on the floor of a factory, a turntable 12 supported on the frame 11, a drive mechanism 13 for rotating the turntable 12 horizontally around its center line. have. The drive mechanism 13 controls the turntable 12 while decelerating the rotational motion of the prime mover 14 using a transmission means such as a chain or a gear.
To communicate. On the outer periphery of the turntable 12, twelve cup holders 100 are mounted as container holders at equal intervals in the circumferential direction. The cup holder 100 holds the cup body 2 with the cup body 2 turned upside down from the inside. Details will be described later.

The drive mechanism 13 intermittently drives the turntable 12 in the direction of arrow F in FIG. 4 at a rate of 30 ° each time. As a result, the same number of stations as the cup holder 100 (the holder 100
ST ... ST is defined. Then, some stations ST include, as devices necessary for manufacturing the cup 1, a cup supply device 20, processing devices 30A and 30A.
B, a gluing device 40, a sleeve supply device 50, a sleeve alignment device 60, an inspection device 70, and a discharge device 80 are provided. Each device 20 to 80 is a turntable 12
The operation assigned to each device is executed in synchronization with the rotational driving of. The outline of each device is as follows.

The cup supply device 20 includes the turntable 1
2 is stopped and the empty cup holder 100 is extended below the magazine 21. In synchronization with this, the magazine 21 (see FIG. 6)
One cup body 2 is taken out from the lower end of the cup and supplied to the cup holder 100. The cup body 2 mounted on the magazine 21 does not have the ribs 2d and 2e, and
c has a substantially perfect circular cross-sectional shape.

When the turntable 12 stops, the processing devices 30A and 30B release the holder 10 supplied in front thereof.
The rib 2d or 2e is formed on the cup body 2 on the upper side. The processing device 30A also processes the curled portion 2c. The gluing device 40 sprays an adhesive 4 (see FIG. 2) for joining the cup body 2 and the sleeve 3 to a predetermined position on the outer periphery of the cup body 2. Sleeve supply device 50
Supplies the sleeve 3 to the outer periphery of the cup body 2 to which the glue is applied. The sleeve aligning device 60 pushes the sleeve 3 put on the cup body 2 toward the open end of the cup body 2 while aligning the sleeve 3 with the cup body 2. Inspection device 70
Inspects whether the cup body 2 and the sleeve 3 are correctly assembled and whether the sleeve 3 is correctly formed. Then, the discharge device 80 removes the paper cup 1 from the cup holder 100 and sends it out of the device.

7 and 8 show details of the cup supply device 20. FIG. The cup supply device 20 includes the cup body 2
, The three take-out rollers 22... 22 arranged at the lower end of the magazine 21, and a drive mechanism 23 that drives the rollers 22 to rotate around their respective axes. Magazine 21 has a base 21
The six rods 211... 21 around the zero through hole 210a
1, the cup body 2 is accommodated inside the cup body 2 in a state of being turned upside down (see FIG. 6). The roller 22 is attached to the base 210 with a part thereof protruding from the through hole 210a (see FIG. 8). The curl portion 2c of the cup body 2 housed at the lower end of the magazine 21 rides on the upper surface of the roller 22, and the cup body 2 in the magazine 21 is supported in the vertical direction.

The drive mechanism 23 includes a motor 2 as a drive source.
30, a primary pulley 231 attached to an output shaft 230a of the motor 230, a secondary pulley 232 and an idler 23 rotatably attached to the base 210.
And 3. A belt 234 is wound between the pulleys 231 and 232 and the idler 233, and the secondary pulley 232 is coaxially connected to the roller 22 via a connection shaft 235 rotatably supported by the base 210.

When the turntable 12 rotates and the empty cup holder 100 is fed out below the supply device 20,
The output shaft 230a of the motor 230 is driven to rotate by a predetermined amount. In conjunction with this rotation, each roller 22 rotates by a fixed amount in the same direction at the same speed. When the rollers 22 rotate, the curled portions 2 c of the cup body 2 supported on the rollers 22 are formed into spiral grooves 220 formed on the outer periphery of each roller 22.
, Whereby the cup body 2 is pulled out of the magazine 21 and supplied from the through-hole 210a to the cup holder 100 therebelow.

FIG. 9 shows details of the processing apparatus 30A and the cup holder 100. Cup holder 100,
A support shaft 101 attached to the outer periphery of the turntable 12 and extending in the vertical direction; a rotating cylinder (rotating body) 102 attached to the outer periphery of the support shaft 101;
2 has a spacer 103 and collars 104 and 105 attached to the outer periphery. The rotary cylinder 102 is attached to the support shaft 101 via a bearing (not shown), and can freely rotate around the support shaft 101. Color 10
Reference numerals 4 and 105 can rotate integrally with the rotary cylinder 102. At the lower end of the rotating cylinder 102, a disk-shaped wheel 106 functioning as a curl receiving member is integrally provided. The curl portion 2c of the cup body 2 comes into contact with the upper surface of the wheel 106, and the cup body 2 is supported in the up-down direction. Color 10
Flanges 104a and 105a are integrally provided on the outer periphery of the fourth and 105. The outer peripheries of the flanges 104a and 105a substantially contact the side walls 2a of the cup body 2 at the positions where the ribs 2d and 2e are formed, whereby the cup body 2 is supported in the radial direction. That is, the flanges 104a, 1
05a each function as a side wall receiving member. Note that the upper end of the support shaft 101 protrudes above the rotary cylinder 102. At the center of the support shaft 101, an air flow path (not shown) penetrating the support shaft 101 in the axial direction is formed.

As shown in FIGS. 9 and 10, the processing apparatus 30A includes a rotation driving mechanism 31 for rotating the cup body 2 mounted on the cup holder 100, and a flanged body for rotating the cup body 2 during the rotation. A rib processing mechanism 32 for processing the rib 2e by pressing against the 105a, a retaining mechanism 33 for preventing the cup body 2 from coming off during processing, and a curl portion 2c pressed against the wheel 106 as shown in FIG. And a curl portion processing mechanism 34 for deforming the curl portion.

The rotation drive mechanism 31 includes a motor 310 as a drive source and a drive wheel 311 that is rotated by the motor. When the turntable 12 rotates and the cup holder 100 is fed out to the front of the processing device 30A, the drive wheel 311 contacts the wheel 106 of the cup holder 100 and the rotating cylinder 1 of the cup holder 100
02 is driven to rotate around the support shaft 101.

The rib working mechanism 32 includes an air cylinder 320 as a mold driving means, and an embossing roller (embossing member) 321 driven by the air cylinder 320 in the radial direction of the cup holder 100. The embossing roller 321 is rotatably supported around a vertical axis 323 by a holder 322 attached to a piston rod 320a of the air cylinder 320. Figure 1
As shown in FIG. 1A, the outer periphery of the embossing roller 321 is provided with a concave groove 321a having a sectional shape complementary to the outer periphery of the flange 105a.

When the rotary cylinder 102 of the cup holder 100 is rotationally driven by the rotary drive mechanism 31, the embossing roller 321 is driven by the air cylinder 320 in synchronization with the rotation, and is pressed against the side wall 2 a of the cup body 2. Thus, as shown in FIG. 11A, a part of the side wall 2a is sandwiched between the flange 105a and the embossing roller 321, and the rib 2e is gradually formed on the side wall 2a. When the embossing roller 321 makes at least one round of the side wall 2a, the embossing roller 321 is separated from the cup body 2 and the processing of the rib 2e is completed.

The retaining mechanism 33 includes an air cylinder 33.
0 and a retaining plate 331 which is driven by the air cylinder 330 in the vertical direction. The retaining plate 331 is attached to a piston rod 330a of the air cylinder 330 via a bearing 332, and is rotatable around a center line of the piston rod 330a. When the embossing roller 321 of the rib working mechanism 32 is driven toward the cup body 2, the retaining plate 331 is driven downward in synchronism therewith and abuts on the thread end 2 g (see FIG. 1) of the cup body 2. . Thereby, during the formation of the rib 2e by the rib processing mechanism 32, the cup holder 10
The lifting of the cup body 2 with respect to 0 is prevented. When the formation of the rib 2e is completed, the retaining plate 331 is driven upward.

The curl processing mechanism 34 has an air cylinder 340 as a press driving means, and a press roller 341 as a press member driven by the air cylinder 340 in the vertical direction. Air cylinder 3
The roller holder 342 is provided on the piston rod 340a of the forty.
Is attached. By the roller holder 342, the press roller 341 is rotatably supported on an axis extending in the radial direction of the cup body 2 on the holder 100. The contact position between the press roller 341 and the curl portion 2c is shifted from the contact position between the embossing roller 321 and the side wall 2a by approximately 180 ° in the circumferential direction of the cup body 2.
In other words, the contact position between the press roller 341 and the curled portion 2c is set on the radially opposite side of the cup body 2 with respect to the contact position between the embossing roller 321 and the side wall 2a.

When the embossing roller 321 of the rib working mechanism 32 is pressed against the side wall 2a of the cup body 2, in synchronization therewith, the press roller 341 is driven downward by the air cylinder 340 as shown in FIG. 2c
Pressed to. As a result, the curled portion 2c is sandwiched between the press roller 341 and the wheel 106.
By rotating the cup body 2 in this state, the curled portion 2c is gradually deformed into the cross-sectional shape shown in FIG. When the press roller 341 makes one or more rounds around the curled portion 2c, the press roller 341 is driven upward by the air cylinder 340, and the processing of the curled portion 2c is completed.

It should be noted that a plurality of press rollers 341 may be provided as shown in FIG. The press roller 341 may be rotationally driven by driving means such as a motor. Press roller 3
41 may be driven by a mold driving unit other than the air cylinder 340. However, when the air cylinder 340 is used as a press driving unit, the side wall 2a of the cup body 2 is used.
When the press roller 341 passes over the step of the curled portion 2c connected to the bonded portion of
The air stored in the inside serves as a cushion for the piston rod 340a and the press roller 341 can be displaced by a small amount in a direction away from the curl portion 2c, so that an excessive pressing force acts on the step portion of the curl portion 2c. Therefore, there is no possibility that the curled portion 2c is crushed more than necessary.
Therefore, when the press roller 341 is driven by means other than the air cylinder 340, a spring or the like is interposed in the transmission path of the driving force so that the press roller 341 is driven.
It is desirable to allow the displacement when the vehicle gets over the step of the curled portion 2c.

The processing apparatus 30B has a point that the embossing roller 321 of the rib processing mechanism 32 is adjusted so as to press the cup body 2 against the flange 104a to form the rib 2d, and the curl portion processing mechanism 34 is omitted. It is the same as the processing device 30A except for the point. Since the rib 2d swells inside the cup body 2, as shown in FIG. 11B, a ridge 321b for forming the rib 2d is formed on the outer periphery of the embossing roller 321 of the processing device 30B.
A groove 104b having a sectional shape complementary to that of the ridge 321b is formed on the outer periphery of the groove 04a.

FIG. 14 shows the details of the gluing device 40. The gluing device 40 includes a spray gun 41 that sprays the adhesive 4 (see FIG. 2) toward the bonding range BD of the side wall 2 a of the cup body 2, and a nozzle 41 of the spray gun 41.
0 to an inspection device 42 for inspecting whether or not the adhesive 4 is normally sprayed. FIG.
In FIG. 4, the curled portion 2c of the cup body 2 is illustrated in a simplified form in a perfect circle.

The inspection device 42 includes a camera 421 for photographing a spray pattern in a photographing range 420 set between the nozzle 410 and the side wall 2a of the cup body 2, and an analog signal output from the camera 421 under a predetermined condition. An AD converter 422 for converting a digital signal according to
An arithmetic circuit 423 for performing a predetermined arithmetic operation based on the signal output from the AD converter 422; a determination circuit 424 for determining the quality of the spray pattern based on the arithmetic result of the arithmetic circuit 423; And a monitor 425 for displaying the result.

Adhesive 4 discharged from spray gun 41
, A black background plate (not shown) is provided behind the photographing range 420. In the AD converter 422, the image data of the photographing range 420 output from the camera 421 is binarized with an appropriate threshold value, so that the image of the background plate is discriminated as black and the image of the adhesive 4 is discriminated as white. The signal is input to the circuit 423. The arithmetic circuit 423 includes the camera 421
Calculates the ratio of the white portion occupying in the image of the photographing range 420 photographed by.

Here, in order to detect a case where the adhesive 4 is discharged from the nozzle 410 in an inappropriate direction as a defect,
The photographing range 420 is set to be slightly larger than the spray width so that the area of the white portion is reduced when the adhesive 420 is shifted up and down with respect to the correct ejection direction. Therefore,
When the appropriate amount of the adhesive 4 is discharged from the nozzle 410 in the appropriate direction, the ratio of the white portion calculated by the arithmetic circuit 423 is within the appropriate range. Otherwise, the ratio of the white portion is insufficient or It becomes excessive. And the judgment circuit 4
24 determines that the spray pattern is good if the ratio of the white portion is within a predetermined allowable range, and otherwise determines that the spray pattern is bad. If the spray pattern is determined to be defective, the cup body 2 being supplied to the gluing device 40 at that time is removed from the production line of the cup 1 by the rear NG product removing device.

If the adhesive 4 or the cup body 2 attached to the nozzle 410 is included in the photographing range 420, a detection error occurs. Therefore, it is desirable to set the photographing range 420 away from both. The gluing device 40 includes the cup holder 10
There is no mechanism for rotating the 0 rotating cylinder 102. After the cup holder 100 is conveyed from the processing device 30B to the gluing device 40, the rotary cylinder 1
This is because the adhesive 02 can be sprayed evenly over the entire circumference of the bonding area BD using the inertial rotation.

As shown in FIG. 15, the sleeve supply device 5
Reference numeral 0 denotes a conveyor 51 that transports the sleeve 3 in a state where the sleeve 3 is turned upside down, a pair of shutter mechanisms 52 and 52 provided at the end of the conveyor 51, and a pushing mechanism 53. The shutter mechanism 52 includes a pair of shutters 520, 520, which are held so as to protrude above a carry-out port 510 at the end of the conveyor 51, with air cylinders 521, 521.
To open and close the discharge port 510 by operating the conveyor 51 in a direction perpendicular to the conveying direction. The pushing mechanism 53 includes an air cylinder 530 and a disc-shaped pushing member 531 attached to the piston rod 530a. 15A is a cross-sectional view, and FIG. 15B is a plan view near the end of the conveyor 51.

When the cup body 2 to which the adhesive 4 has been applied by the gluing device 40 is conveyed to just below the outlet 510 by the rotation of the turntable 12, the air cylinder 52
The shutters 520, 520 are opened by 1,521, and the air cylinder 530 is activated to drive the pushing member 531 downward. Thereby, the conveyor 5
The sleeve 3 conveyed to the end of 1 is pushed downward and falls so as to cover the outer periphery of the cup body 2 supported by the cup holder 100. After the supply of the sleeve 3, the shutters 520, 520 are instantly closed. The pushing member 531 does not move below the shutter 520. Therefore, there is no possibility that the pushing member 531 and the shutter 520 interfere with each other.

FIG. 16 shows details of the sleeve aligning device 60. The sleeve aligning device 60 includes an aligning jig 61 disposed opposite to the thread end 2g of the cup body 2 held on the cup holder 100, an air cylinder 62 for driving the aligning jig 61 in the vertical direction, and have. As shown in FIG. 17, the alignment jig 61 includes a cylindrical jig main body 610 having a lower end opened, and the jig main body 61.
Guide shaft 611 attached to the center of
10, a disc-shaped centering member 612 which is housed in the hollow portion 610 a and is slidable along the guide shaft 611;
11 and attached to the outer periphery of the guide shaft 6
11 has a coil spring 613 pressed against a stopper 611a at the lower end. At the lower end of the jig body 610, a flange 610b is provided. An outer periphery of a lower end of the centering member 612 is provided with a centering surface 612a having a tapered surface shape and a step portion 612b provided so as to surround a base end (an upper end in the drawing) of the centering surface 612a. An enlarged portion 611b is provided at the upper end of the guide shaft 611, and the enlarged portion 611b and the jig body 610 are connected to the air cylinder 62.
Is fixed to the movable portion 620 (see FIG. 16).

When the cup body 2 and the sleeve 3 are extended below the sleeve aligning device 60 by the rotation of the turntable 12, the air cylinder 62 is activated and the aligning jig 61 is driven downward. At this stage, the centering member 612 is pressed against the stopper 611a as shown on the right side of the center line CL, and the centering surface 6 on the outer periphery is pressed.
The step 12a and the step 612b protrude below the flange 610b of the jig body 610. Therefore, as shown by the imaginary line in FIG. 17, even if the sleeve 3 is covered with the core being displaced from the cup body 2 and the curl portion 3 a runs on the thread end 2 g of the cup body 2, first, Centering member 61
The second centering surface 612a contacts the curled portion 3a, and the sleeve 3 is centered with the cup body 2.

Thereafter, when the aligning jig 61 is further lowered, the step portion 612b abuts against the thread end 2g of the cup body 2 and the centering member 612 is pushed into the jig body 610. And, the flange 61 of the jig body 610
0b comes into contact with the curled portion 3a of the sleeve 3, and the sleeve 3
Is pushed into the curl portion 2c side of the cup body 2 by an appropriate amount. As a result, the cup body 2 and the sleeve 3 are reliably brought into contact with each other in the bonding range BD, and the two are correctly joined.
When the centering jig 61 is lowered to the predetermined position, the centering jig 61 is pulled up to the original position in preparation for the next combination of the cup body 2 and the sleeve 3. In addition, since the curled portion 3a of the sleeve 3 is located above the thread end 2g of the cup body 2 (on the side of the curled portion 2c), when the centering member 612 is pushed into the jig main body 612 to the maximum, the stepped portion can be formed. The portion 612b is retracted above the flange 610b.

FIG. 18 shows the details of the inspection device 70. The inspection device 70 includes a rotation drive mechanism 71 and a sleeve 3
Has a transmission type photosensor 72 for inspecting whether or not the sleeve 3 is correctly attached to the cup body 2 and a laser distance sensor 73 for inspecting whether or not the sleeve 3 is correctly assembled. are doing. Rotation drive mechanism 7
Numeral 1 is the same as that of the processing apparatus 30A described above. The drive wheel 711 rotated and driven by the motor 710 is brought into contact with the wheel 106 of the cup holder 100 to rotate the rotary cylinder 102 of the cup holder 100.

The photo sensor 72 has a pair of light emitting sections 720 and a light receiving section 721 which are arranged to face the cup body 2 in the radial direction. The light emitting section 720 emits a band-shaped inspection light (hatched portion in the figure) having a predetermined width toward the thread end 2 g of the cup body 2. The light receiving section 721 outputs a signal corresponding to the received light amount of the inspection light to the determination device 74. If the alignment of the sleeve 3 by the alignment device 60 described above fails, the sleeve 3 protrudes beyond the thread end 2g, and the inspection light from the light emitting unit 720 is blocked more than in a normal case. Therefore, the determination device 74 monitors a change in the amount of the inspection light received based on the signal from the light receiving unit 721, and if the change is larger than a predetermined allowable range, determines that the sleeve 3 is not properly assembled, and notifies the monitor 75 of the change. Display the result.

The laser distance measuring sensor 73 irradiates the laser light narrowly narrowed toward the outer periphery of the sleeve 3 and outputs a signal corresponding to a time lag until the reflected light is detected. If the sleeve 3 is not formed in a predetermined taper shape due to failure in bonding the blank 3 ′ or the like, distortion occurs on the outer periphery, and the time until the laser beam bounces increases with the rotation of the sleeve 3. Will fluctuate. Therefore, the determination device 74 monitors a change in the time until the reflection of the laser beam is detected, and if the change is larger than a predetermined allowable range, determines that the sleeve 3 is not properly formed, and notifies the monitor 75 of the result. indicate.

When the inspection device 70 determines that the assembly or molding of the sleeve 3 is defective, the cup 1 supplied to the inspection device 70 at that time is removed from the production line of the cup 1 by the NG product removal device at the rear. Is done.

FIGS. 19 and 20 show details of the discharge device 80. FIG. The discharging device 80 includes a gear box 81,
The magazine 82 has a magazine 82 rotatable around an output shaft 810 of the gear box 81. Magazine 82 has
Pots 820 each having a tapered hole 820a into which the cup 1 can be fitted are attached at intervals of 90 ° in the rotation direction of the magazine 82. A sprocket 812 is attached to an input shaft 811 of the gear box 81.
The sprocket 812 is driven by the driving mechanism 1 of the turntable 12 via the transmission mechanism 84 in which a chain 840 and the like are combined.
3 (see FIGS. 5 and 6). When the turntable 12 is driven to rotate by 30 °, the magazine 82 rotates 90 ° in the direction of arrow R in FIG.
The rotation of the turntable 12 and the rotation of the magazine 82 are associated with each other in such a manner that is fed out directly above the cup holder 100.

The cup holder 1 is located immediately below the pot 820.
An air supply device (not shown) is provided which is connected to a lower end opening of an air flow path provided on the center line of the support shaft 101 and supplies compressed air to the air flow path.
The compressed air supplied into the support shaft 101 blows out from the upper end of the support shaft 101, and sends the cup 1 into the tapered hole 820a of the pot 820 fed upward. Thereby, the cup 1 is transferred from the cup holder 100 to the pot 820.
Is moved.

The cup 1 held in the pot 820 is sent to the cup collecting device 85 by rotating the magazine 82 three times at 90 °. The cup accumulating device 85 operates the claw 850 engaging with the curled portion 2 c of the cup 1 in the horizontal direction by the actuator 851, thereby obtaining the cup 1.
Is withdrawn from the pot 820 and accumulated in the magazine 853.

Note that, as shown in FIG.
An inner surface inspection device 90 for the cup 1 is provided at a position opposite to the second cup accumulation device 85 with the magazine 82 interposed therebetween. The inner surface inspection device 90 irradiates the inner surface of the cup 1 held in the pot 820 with a ring-shaped illumination lamp 91 while shooting the image with a camera 92, and outputs image data output from the camera 92 to an image processing device 93. To inspect the inside of the cup 1 for dirt and shape defects.

The present invention is not limited to the above embodiment,
It may be implemented in various forms. For example, rib processing mechanism 3
2 and the curl portion processing mechanism 34 may be provided in separate stations. The inspection devices 42 and 70 may be omitted.

[0058]

As described above, according to the manufacturing apparatus of the present invention, the processing of the curled portion of the container main body, the processing of the ribs on the side wall, and the bonding of the processed container main body and the sleeve are performed. Are performed continuously in the same apparatus, so that an insulated container can be efficiently manufactured. Further, in the case where the sleeve aligning device is provided, it is possible to eliminate a defective combination due to misalignment between the sleeve and the container main body and improve the yield when manufacturing the heat insulating container.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a paper cup as an insulating container manufactured according to the present invention.

FIG. 2 is a view schematically showing a procedure for manufacturing the paper cup of FIG.

FIG. 3 is an enlarged sectional view of a curl portion of a cup body constituting the paper cup of FIG. 1;

FIG. 4 is a plan view of the apparatus for manufacturing the paper cup of FIG. 1;

5 is a side view of the device from the direction of arrow V in FIG. 4;

FIG. 6 is a side view of the device from the direction of arrow VI in FIG. 5;

FIG. 7 is a cross-sectional view of a cup supply device provided in the device of FIG.

FIG. 8 is a plan view of the cup supply device of FIG. 7;

FIG. 9 is a diagram showing a main part of a processing device provided in the device of FIG. 4;

FIG. 10 is a rear view from the direction of arrow X in FIG. 9;

FIG. 11 is a view showing a state where a rib is machined on a side wall of the cup body by the apparatus of FIG. 9;

FIG. 12 is a diagram showing a state where the curling portion of the cup body is being machined by the machining apparatus of FIG. 9;

FIG. 13 is a view showing an example of processing a curled portion of a cup body using a plurality of press rollers.

FIG. 14 is a diagram showing a main part of a gluing device provided in the device of FIG. 4;

FIG. 15 is a diagram showing a main part of a sleeve supply device provided in the device of FIG. 4;

FIG. 16 is a view showing an entire sleeve aligning device provided in the device shown in FIG. 4;

FIG. 17 is a diagram showing a main part of the apparatus in FIG. 16;

FIG. 18 is a diagram showing a configuration of an inspection device provided in the device of FIG.

FIG. 19 is a diagram showing a configuration of a discharge device provided in the device of FIG.

FIG. 20 is a side view of the discharge device from the direction of arrow XX in FIG. 19;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Paper cup (insulated container) 2 Cup main body 2a Side wall 2c Curled part 2d, 2e Rib 3 Sleeve 4 Adhesive 10 Manufacturing device 11 Frame 12 Turntable (conveying device) 13 Drive mechanism (conveying device) 20 Cup supply device 30A, 30B Processing Apparatus 31 Rotation drive mechanism (Rotation drive means) 32 Rib processing mechanism (Rib processing apparatus) 33 Retaining mechanism 34 Curl section processing mechanism (Curl processing apparatus) 40 Gluing apparatus 41 Spray gun 42 Inspection apparatus 50 Sleeve supply apparatus 60 Sleeve matching apparatus 61 alignment jig 62 air cylinder (jig driving means) 70 inspection device (combination inspection device, sleeve inspection device) 71 rotation drive mechanism 72 photo sensor (height information detection device) 73 laser ranging sensor (distance information detection device) 74 Judging device (judging means, molding Means) 75 monitor 80 the discharge device 90 the inner surface inspection apparatus 100 cup holder (container holder) 102 rotary cylinder (rotor) 610 jig main body 610b flange (pushing portions) 612 centering member 612a centering surface

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yuichi Hirai 1-1-1, Ichigaya Kagacho, Shinjuku-ku, Tokyo Inside Dai Nippon Printing Co., Ltd. (72) Inventor Yoichi Mochizuki 1-chome, Ichigaga-cho, Shinjuku-ku, Tokyo No. 1 Dai Nippon Printing Co., Ltd. (72) Takanori Yamashita 1-1, Ichigaya Kagacho, Shinjuku-ku, Tokyo 1-1. Within Dai Nippon Printing Co., Ltd. (72) Kenichi Endo, Ichigaya Machiichi, Shinjuku-ku, Tokyo 1-chome Dai-Nippon Printing Co., Ltd. F-term (reference) 3E075 AA05 BA33 BA38 CA01 DA04 DA17 DA32 DC61 DC74 DD02 EA01 GA04

Claims (7)

[Claims] 1. A manufacturing apparatus for manufacturing an insulated container by combining a sleeve with an outer periphery of a container main body, the curl receiving member receiving a curl portion provided at an edge of the container main body, and a side wall of the container main body. A container holder having a side wall receiving member received from the inside, a curling device for pressing the curl portion of the container main body against the curl receiving member to deform the curl portion, and pressing the side wall of the container main body against the side wall receiving member. A rib processing device for deforming, an adhesive application device for applying an adhesive to an outer periphery of the container body that has been processed by the curl processing device and the rib processing device, respectively, and a container body to which the adhesive has been applied. An apparatus for manufacturing a heat insulating container, comprising: a sleeve supply device for covering the outer periphery with the sleeve. 2. The apparatus according to claim 1, further comprising a sleeve aligning device for pushing the sleeve supplied by the sleeve supply device toward the container main body held on the container holder. Manufacturing equipment. 3. The manufacturing apparatus according to claim 2, further comprising a combination inspection device for inspecting the quality of a combination of the container body and the sleeve after the processing by the sleeve alignment device. 4. The manufacturing apparatus according to claim 2, further comprising a sleeve inspection device for inspecting the quality of the molding of the sleeve after the processing by the sleeve alignment device. 5. A transport device for transporting the container holder along a predetermined transport route, wherein the curling device, the rib processing device, the adhesive application device, and the sleeve supply device are provided on the transport route. The manufacturing apparatus according to claim 1, wherein the apparatus is provided along. 6. A manufacturing apparatus for manufacturing an insulated container by combining a sleeve with an outer periphery of a container main body, wherein the container main body holds the container main body in a vertically inverted state, and is held by the container main body. A sleeve supply device for covering the outer periphery of the container body with the sleeve from above the container body, and a sleeve aligning device for pushing the sleeve covered on the container body toward the container body. The aligning device includes: an aligning jig facing an upper end of a sleeve covered on the container body; and jig driving means for driving the aligning jig toward the container holder. A jig main body having a pushing portion that can be brought into contact with the upper end of the sleeve, and the sleeve being pushed in advance of pushing the sleeve by the pushing portion. And a centering member for radially displacing the sleeve so that the sleeve is centered on the container body, wherein the centering member moves coaxially with the jig body and in a pushing direction of the sleeve. An apparatus for manufacturing a heat insulating container, wherein a centering surface whose diameter decreases toward the sleeve is provided on an outer periphery of an end of the centering member facing the sleeve. . 7. A manufacturing apparatus for manufacturing an insulated container by combining a sleeve around an outer periphery of a container body, the container holder having a rotating body rotatable around an axis of the container body while holding the container body. An adhesive application device having nozzle means for spraying an adhesive toward an outer periphery of the container main body held on the container holder, wherein the adhesive application device includes the nozzle means and the container An imaging unit that captures an image of an imaging range set between the adhesion range of the side wall of the main body, and, based on a ratio occupied by an area of a gradation corresponding to the adhesive in the image of the imaging range, A determining means for determining whether or not the state of spraying the adhesive is good;