JPH0444599Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a coating device for shielding scratches that occur on the bodies of glass bottles, such as beer bottles or bottles for carbonated drinks such as cider and cola.

Conventionally, this type of device has been disclosed in Japanese Patent Application No. 57-96949 (Japanese Patent Application Laid-open No. 58-96949) filed by the applicant of this invention.
(Refer to Publication No. 213654). After the coating liquid is applied to the bottle body by a coating roller, the excess coating liquid is wiped off by a wiping belt, and the coated surface is polished. However, in the above device, the wiping bell is made of cotton cloth or the like, so the coating liquid cannot be wiped off well, and when the product is lifted by hand to pour out the liquid content, it tends to slip, resulting in a fall accident. There is a drawback. In addition, the above device is operated at low speed (200 tags per minute), which is compared to the high speed tag pasting machine (800 tags per minute).
Taking into account the wiping conditions mentioned above, it is extremely difficult to operate synchronously at the same speed as the wiping process, and disadvantages include the need for a storage section to hold a large amount of bottles on standby before applying the coating liquid to the bottles after labeling. There is.

The object of this invention is to eliminate the drawbacks of the above-mentioned conventional devices, and to provide a coating device that can appropriately polish the surface to which the coating liquid is applied and can operate in synchronization with a high-speed tag pasting machine.

In order to achieve the above object, the coating device of this invention includes a rotary disk that is attached to a central shaft rotated by a drive mechanism, and has a bottle supply section on one side in the direction of rotation and a bottle discharge section on the other side. The body of the bottle is rotatably supported on the central axis of the rotary disk, is eccentric from the center of the central axis to the side opposite to the supply and discharge portions of the bottle, and is attached to the body of the bottle fed on the rotary disk with its outer peripheral surface. a coating roller that makes sliding contact to apply a coating liquid to the body; a supply member that supplies the coating liquid to the coating roller; a drive mechanism that rotates the coating roller; and an outer peripheral position of the rotary disk on the discharge section side. The outer circumferential surface of the bottle is arranged horizontally on the body, and the coating liquid is applied to the body, and the coating liquid is applied to at least the upper surface of the upper and lower surfaces of the bottle, which is sent while rotating. A rotary brush roller for polishing the surface and a drive mechanism for rotating the brush roller are provided, and when the coating roller applies the coating liquid and the brush roller polishes, the bottle is rotatable relative to the rotary disk and the bottle is rotated. The bottle is characterized in that it is provided with a holding member that holds the upper and lower parts of the bottle so that its chest can come into sliding contact with the outer peripheral surfaces of the coating roller and the brush roller.

Examples of this invention will be described below.

In FIGS. 1 to 3, reference numeral 1 denotes a conveyance path for bottles 2. On one side of this conveyance path 1, a rotary disk 4 whose center is attached to a drive shaft 3 is disposed with its peripheral edge close to the conveyance path 1. ing. 5 and 6 are entrance/exit star wheels disposed across the rotary disk 4 and the conveyance path 1;
Reference numeral 8 denotes a guide frame which is disposed on the outside of the star wheels 5 and 6 at a distance that allows the body 2a of the bottle 2 to pass therethrough, and has an elastic friction material 9 such as a sponge attached to the portion that comes into contact with the body 2a. The star wheels 5 and 6 and the guide frames 7 and 8 feed the bottles 2 on the conveyance path 1 onto the rotary disk 4, and from the rotary disk 4 the bottles 2 are transported onto the conveyance path 1 again. It is designed to emit . A plurality of through holes 10 are bored at equal intervals along the circumferential direction on the peripheral edge of the rotary disk 4,
A bottle holder 12 with a pulley 11 attached to the lower part thereof is supported in the through hole 10 so as to be rotatable relative to the rotary disk 4. A bottle transfer plate 13 is fixed between the respective pedestals 12 on the rotary disk 4, and the surfaces of the plate 13 and the pedestals 12 are substantially on the same horizontal plane as the conveyance path 1. Axis 1 of star wheels 5 and 6
Gears 17 and 18 that mesh with the gear 16 attached to the drive shaft 3 are attached to the wheels 4 and 15, so that the rotation of the star wheels 5 and 6 is interlocked with the rotation of the rotary disk 4. Pulleys 19 and 20 are mounted on the wheel shafts 14 and 15, and a pulley 23 is mounted on a shaft 22 which is provided upright on a machine frame 21 on the opposite side of the rotary disk 4 and close to the rotary disk. It is attached to the pulley 11 of the pedestal 12 at a circular height, and a V-belt 24 is wound between the pulleys 19, 20 and the pulley 23 so that a part of the V-belt 24 is in contact with the pulley 11. During rotational movement, the pedestal 12 of the pulley 11 that comes into contact with the belt 24 rotates relative to the rotary disk 4. A coating roller 28 is rotatably supported on the drive shaft 3 on the rotary disk 4 via a bearing 27, and is eccentric to the side opposite to the star wheels 5, 6 by a desired amount e with respect to the center of the shaft 3. The coating roller 28 has coating portions 28a with sponge lining on the upper and lower circumferential surfaces, and a pulley 29 is attached to the upper portion. The tip of an arm 31 supported by a column 30 in a direction perpendicular to the conveyance path 1 is also detachably attached to the coating roller 28, so that the eccentricity e can be adjusted as appropriate. Rotating shafts 34 and 35 are supported on the arm 31 via bearings 32 and 33, and the rotating shaft 3
4 and 35, a stainless steel intermediate roller 36 and a sponge-lined supply roller 37 are disposed in rotatable contact with each other, and the intermediate roller 36 is in rotatable contact with the coating roller 28. The supply roller 37 is supplied with a coating liquid that is pumped up from a tank (not shown) and sprayed from a nozzle (not shown), and this coating liquid is further transferred to an intermediate roller 36 to make a uniform thin film, and then is applied to the coating roller 28. The liquid is sent to the coating section 28a. A tray (not shown) is provided below the supply roller 37 to receive excess coating liquid, and when it accumulates, it is circulated back to the tank. The coating liquid is preferably an emulsified dispersion containing dimethyl silicone as a main dispersion component, such as fatty acid esters of sorbitan or monoesters of glycerin. Further, two pulleys 38 and 42 are attached to the rotating shaft 35 on the upper and lower sides, and the pulley 38 and the coating roller 28
A V-belt 39 is wrapped around the pulley 29, and a V-belt 43 is wrapped around the pulley 42 and a pulley attached to the shaft of a motor (not shown). 40 and 41 are gears attached to the rotating shafts 34 and 35 so as to mesh with each other; 44 is the arm 3;
The guide frames 7 and 8 are held by the arm branch 44 attached to the guide frame 1.

On the other hand, a rotary disk 48 having the same size as the rotary disk 4 and having the same number of support bosses 47 as the pedestal 12 on its peripheral edge facing the pedestal 12 is attached to the upper part of the drive shaft 3 . A lifting rod 50 having a holding head 49 at its lower end is supported by the boss portion 47, and the head 49 holds the upper part of the bottle 2, whose lower part is held by the pedestal 12, so that the bottle 2 can rotate on its axis. I'm starting to do that. The holding head 49 is connected to the lifting rod 50 via a spring 51 and a thrust bearing 52. A cam roller 55 is attached to the inside of the upper part of the lifting rod 50, and this roller attachment part and the boss part 4
A spring 56 is installed between the holding head 49 and the holding head 49 to constantly urge the holding head 49 upward. A cam portion 57 of a cam member 58 supported by the drive shaft 3 is engaged with the cam roller 55, and the cam portion 56 rotates the bottle 2 on the pedestal 12 from the inlet star wheel 5 to the outlet star wheel 6. During movement, the lifting rod 50 is pushed down against the spring 56. The cam member 58 is fixed to an arm 60 supported by a column 59.

Furthermore, in FIG.
At the rear position in the rotational direction of the coating part c where the body part 2a of the bottle 2 held by the coating roller 28 is coated in sliding contact with the coating part 28a of the coating roller 28, there is a horizontal finishing plate along the outer periphery of the rotary plate 4. A rotating brush roller 61 is disposed in sliding contact with the upper surface of the bottle body 2a on the pedestal 12. The brush roller 61 is made of horse hair or resin hair, and its rotating shaft is supported by a pair of bearing members 63 erected on a base 62, as shown in FIG. A pulley 64 is attached to the end of the rotating shaft protruding from the member 63. A belt 68 is wound around this pulley 64 and a pulley 67 attached to a drive shaft of a drive motor 66. Although only one brush roller 61 is provided in this embodiment, a plurality of brush rollers 61 may be provided in series along the outer periphery of the rotary disk 4 and each may be rotated by a separate drive motor. Although the upper surface of the portion 2a is slidably contacted, the lower surface may be similarly slidably contacted.

Next, the operation of the above embodiment will be explained.

When the drive shaft 3 is rotated by a motor (not shown), the rotary disks 4, 48 and star wheels 5, 6 are rotated in forward and reverse directions, respectively. Also, due to the rotation of the star wheels 5 and 6, the wheel shafts 14 and 1
The V-belt 24 wound around the pulleys 19, 20 and the pulley 23 attached to the rotary disk 4 also rotates, and the pedestal 12, which is sequentially moved together with the rotary disk 4 and comes into contact with the belt 24, is rotated. Ru.

On the other hand, when the rotation shaft 35 of the supply roller 37 is rotated by the motor connected via the V-belt 43, the intermediate roller 36 is rotated in the opposite direction to the supply roller 37 via the gears 40 and 41, and the coating roller 28 is rotated in the opposite direction to the supply roller 37. Rotating disk 4 via V belt 39
Further, when the motor 66 is driven, the brush roller 61 is rotated via the belt 68.

In the above, the bottles 2 sent through the conveyor path 1 by the conveyor 1' are separated from each other by a required distance by the inlet star wheel 5 and the guide frame 7, as shown in FIG. Bottle holder 1
At this time, the bottle body 2a is rotated by the rotating wheel 5, in contact with the recess 5'' and the elastic friction material 9 between the teeth 5' of the wheel 5. After that, the lifting rod 50 is pushed down by the cam part 57, and the head 49 holds the upper part of the bottle 2, so that the upper part of the bottle 2 and the lower part are connected to the head 49 and the pedestal 12.
is completely retained.

As the bottle 2 held as described above advances,
Since the pulley 11 of the pedestal 12 comes into contact with the V-belt 24, the bottle 2 rotates several times, and when the bottle 2 further advances to the coating part c, the body part 2a slides against the coating part 28a of the coating roller 28. The coating liquid supplied from the coating portion 28a to the coating roller 28 via the nozzle, the supply roller 37, and the intermediate roller 36 is applied to the scratches generated on the upper and lower portions of the body portion 2a. Since the bottle 2 rotates on its own axis due to frictional contact with the coating roller 28, this application is performed evenly over the entire circumference. Furthermore, if uneven coating occurs during coating, it can be adjusted by changing the attachment position of the tip of the arm 31 to the coating roller 28 and adjusting the eccentricity e.

When the bottle 2 further advances to the position of the brush roller 61, the bottle 2 is moved to the position where the pulley 11 of the pedestal 12 is
Since it comes into contact with the belt 24, it rotates several times, and during this period, the rotating brush roller 61 polishes the upper surface of the body 2a coated with the coating liquid. That is, the upper surface coated with the coating liquid normally contains moisture and has fine irregularities, but the brush roller 61
By polishing, the coating liquid is rubbed in and water is removed, and the coated surface is finished with a smooth surface all around.

After finishing the surface, the bottles 2 are moved from the pedestal 12 of the rotary disk 4 to the transfer path 1 via the crossing plate 13 by the outlet star wheel 6 and the guide frame 8, with the distance between the bottles being the same as described above. separated and discharged.

The scratches generated on the bodies 2a of the large quantity of bottles conveyed on the conveyor 1' as described above are continuously coated to cover the entire circumference.

Bottle body 2 that has been coated as described above
As shown in FIG. 6, a rubber band 71 for nylon stockings is applied to the upper surface of the rubber band 71, and a 2 kg spring gauge 73 is attached via three threads 72 attached to the rubber band 71.
The value when it is suspended and starts to slide (slip resistance)
A slip property test was carried out by measuring the wiping belt, and the results were compared with those using a conventional wiping belt and those before coating with the coating liquid, and the results shown in FIG. 7 were obtained. According to this, when the slip resistance is 1 kg or more, there is generally no feeling of slipping, but when using a conventional wiping belt,
It was found that it was easy to slip at 0.81Kg, and it was found that the brush roller according to the present invention was 1.16Kg, which was the same as the 1.75Kg before applying the coating liquid, and was less slippery, but it was also closer to 1Kg and smoother. Ta.

This invention is as described above, and it is possible to quickly and effectively apply the coating to a large number of scuffed bottles, and to cover the entire circumference from scratches that occur on the surface of the body of the bottle. However, by polishing the surface of the bottle body after coating with a rotating brush roller, it is possible to finish the coated surface to a smooth surface, and it is also the most effective method for preventing slippage and providing high-quality scratch shielding. You can get a bottle. In addition, since polishing is performed by a brush roller that rotates horizontally with respect to the coated surface of the bottle body, polishing is possible even at high speeds, and therefore it can be operated in synchronization with a high-speed tagging machine. It has excellent effects such as

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional front view showing an embodiment of this invention.
Fig. 2 is a schematic cross-sectional plan view taken along the - line in Fig. 1, Fig. 3 is a schematic cross-sectional plan view taken along the - line in Fig. 1, and Fig. 4 is a schematic cross-sectional plan view taken along the - line in Fig. 2. FIG. 5 is an enlarged side view, FIG. 5 is an explanatory view of the operation, FIG. 6 is a perspective view showing a state in which a slip property test is being performed, and FIG. 7 is a view showing the results of the same test. 1...conveyance path, 1'...conveyor, 2...bottle,
2a...Body part, 3...Drive shaft, 4...Rotary plate, 5
... Inlet star wheel, 6 ... Outlet star wheel, 7, 8 ... Guide frame, 12 ... Bottle holder,
28... Coating roller, 28a... Coating section, 36... Intermediate roller, 38... Supply roller, 49... Holding head, 50... Lifting rod, 5
5... Cam roller, 56... Spring, 57... Cam member, 58... Cam portion, 61... Rotating brush roller, 6... Drive motor.

Claims (1)

[Scope of utility model registration request] A rotary disk that is attached to a central shaft rotated by a drive mechanism and has a bottle supply section on one side in the rotational direction and a bottle discharge section on the other side; A coating roller that is eccentric from the center of the central axis to the side opposite to the supply and discharge parts of the bottle, and whose outer peripheral surface slides into contact with the body of the bottle that is being fed on the rotary disk to apply a coating liquid to the body of the bottle. a supply member that supplies coating liquid to the coating roller; a drive mechanism that rotates the coating roller; and a supply member that is disposed laterally on the outer periphery of the rotary disk on the discharge section side, and is arranged horizontally on the outer periphery of the rotary disk to apply the coating liquid to the body. a rotating brush roller that polishes the coated surface by sliding its outer peripheral surface on at least the upper surface of the upper and lower surfaces of the coating liquid applied surface of the bottle that is sent while rotating; and a drive mechanism, so that the bottle can rotate on its own axis relative to the rotary disk and the body of the bottle can slide against the outer peripheral surfaces of the coating roller and the brush roller when applying the coating liquid by the coating roller and polishing by the brush roller. A device for coating scratches on glass bottles, characterized in that a holding member is provided for holding the top and bottom of the glass bottle.