JP2010064058A - Vessel coating apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container coating apparatus in which a coating agent supply status can be easily confirmed and / or maintenance is improved.
A coating apparatus includes a conveyor that conveys containers, an annular belt that is disposed on a side of the conveyor so as to contact a side surface of the containers on the conveyor, and is configured to rotate the containers. A brush for applying the coating agent to the annular belt so that the container is coated with the coating agent, and the brush is disposed above and separated from the brush, and the coating agent is applied to the brush by discharging the coating agent downward. A nozzle for feeding. The brush has a first side surface and a second side surface inclined with respect to the vertical direction, and is arranged to receive the coating agent discharged from the nozzle on the first side surface.
[Selection] Figure 2

Description

  Containers that are used repeatedly, such as beer bottles, are rubbed against each other and damaged in each stage of the factory, shipment, recovery, and the like. Such scratches can give an undesirable image to the consumer. Therefore, the container is usually coated after filling a beverage such as beer and labeling the container.

  There exists patent document 1 as a prior art regarding the coating apparatus which coats a container. In Patent Document 1, a conveyor that transports containers, a container configured to rotate containers on the conveyor, a coating belt that applies a coating agent to the surface while being in contact with a side surface of the container, and a coating agent that supplies the coating belt A coating apparatus including a coating agent supply unit is disclosed.

The coating agent supply unit of Patent Document 1 includes a brush, a holder that is fixed with one end of the brush interposed therebetween, and a coating agent supply tube connected to the opening on the side of the holder. The coating agent is supplied from the tube to the brush through the holder, and the brush supplies the coating agent to the annular belt while being in contact therewith.
JP 2005-238003 A

  However, since the coating agent supply tube is connected to the holder in the coating apparatus shown in Patent Document 1, the coating agent is supplied from the tube to the brush in the holder and cannot be visually observed. For this reason, it is difficult for the operator to check the supply status of the coating agent to the brush and to find out the supply abnormality.

  In addition, when an abnormality occurs in the application of the coating agent to the belt, it is necessary to disassemble the coating agent supply unit, and an improvement in maintainability is desired.

  It is an object of the present invention to facilitate confirmation of the coating agent supply status and / or to improve maintainability in a container coating apparatus.

  The coating apparatus of the present invention relates to a coating apparatus for coating a container with a coating agent, and the apparatus is disposed on a side of the conveyor so as to contact a conveyor for conveying the container and a side surface of the container on the conveyor. An annular belt configured to rotate the container, a brush for applying a coating agent to the annular belt such that the container is coated with the coating agent by the annular belt, and above the brush, from the brush A nozzle that supplies the coating agent to the brush by discharging the coating agent downward, and the brush has a first side surface inclined with respect to a vertical direction and a first side. It has two side surfaces and is arranged to receive the coating agent discharged from the nozzle on the first side surface. It is characterized in that is.

  According to a preferred embodiment of the present invention, it is preferable that an angle formed by the first side surface and the surface of the annular belt in contact with the first side surface is an acute angle.

  According to a preferred embodiment of the present invention, it is preferable that a coating agent is applied by the brush between the first side surface and the second side surface by rotation of the annular belt.

  The present invention provides a container coating apparatus in which the coating agent supply status can be easily confirmed and / or the maintainability is improved.

  In the following, preferred embodiments of the present invention will be described with reference to the drawings.

  The coating apparatus of the present invention is suitable for coating the surface of a container such as a beer bottle. 1 to 3 schematically show a coating apparatus according to a preferred embodiment of the present invention. FIG. 1 is a plan view of the coating apparatus, and FIG. 2 shows a coating agent supply unit 75 shown in FIG. It is the side view shown so that the vertical downward may turn down. FIG. 3 is a cross-sectional view taken along the line A-A ′ of the side view shown in FIG. 2. FIG. 4 is a view showing the surface of the annular belt 15 at the contact portion with the brush 35.

  The coating apparatus 100 which concerns on suitable embodiment of this invention is comprised so that a coating agent may be apply | coated to the surface of the cylindrical part of bottles 1, such as a beer bottle. The bottle 1 to be coated is conveyed in a predetermined direction (right direction in FIG. 1) by a conveyor 10 at an appropriate interval.

  A pair of annular belts 11 and 15 are disposed on both sides of the conveyor 10. The annular belt 11 is hung on the driving pulley 21 and the driven pulley 22, and the annular belt 15 is hung on the driving pulley 26 and the driven pulley 25. When the bottle 1 conveyed by the conveyor 10 reaches a portion where the annular belts 11 and 15 are disposed, the bottle 1 is conveyed while being sandwiched between the pair of annular belts 11 and 15. The pair of annular belts 11 and 15 are rotationally driven at a relative speed at which the bottle 1 rotates. For example, when the annular belt 11 is rotated at a low speed and the annular belt 15 is rotated at a higher speed, the bottle 1 on the conveyor 10 rotates clockwise while moving rightward in FIG. In this way, the bottle is conveyed while being rotated on the conveyor 10, and the coating agent supplied to the annular belt 15 is applied to the cylindrical portion of the bottle 1 over the entire circumference.

  A coating agent supply unit 75 that supplies the coating agent to the annular belt 15 is disposed at a predetermined position near the outer periphery of the annular belt 15 and the driven pulley 25. The coating agent supply unit 75 includes a tank 31, a supply pipe 32, a control valve 33, a nozzle 34, and a brush 35. FIG. 2 shows the structure of the coating agent supply unit 75, in which the annular belt 15 rotates to the right. Further, as shown in FIG. 1, the bottle 1 indicated by a broken line is sandwiched between the annular belt 11 and the annular belt 15 existing behind (in the negative y-axis direction) the annular belt 15 in FIG. 2. In FIG. 2, it is conveyed leftward.

  The tank 31 stores a coating agent, and supplies the coating agent to the nozzle 34 through the supply pipe 32. The adjustment valve 33 adjusts the supply amount of the coating agent from the tank 31 to the nozzle 34. The adjustment valve 33 may be manually operated by an operator or may be controlled by a control system.

  The nozzle 34 is a pipe having an opening at the bottom, and is disposed above the brush 35 and separated from the brush 35. The coating agent is supplied to the brush 35 by discharging the coating agent supplied from the tank 31 downward. According to this configuration, it is possible to visually check the supply of the coating agent from the nozzle 34 to the brush 35, and it is possible to easily detect an abnormal supply of the coating liquid. Moreover, since the nozzle 34 and the brush 35 are not connected, it is easy to specify an abnormal site when an abnormality occurs in the coating agent supply unit. At the same time, maintenance such as cleaning of the nozzle 34 and replacement of the brush 35 can be easily performed. Here, the number of nozzles 34 may be one or plural. In the example shown in FIG. 2, four nozzles 34 are provided. The adjustment valve 33 may be provided for each nozzle, or may be provided in common for two or more nozzles 34.

  The brush 35 is disposed so that the tip thereof is in contact with the annular belt 15, and applies the coating agent supplied from the nozzle 34 to the annular belt 15. As shown in FIG. 3, the brush 35 has a first side surface 351 and a second side surface 352 that are inclined with respect to the vertical direction, and is arranged so that the coating agent discharged from the nozzle 34 is received by the first side surface 351. ing.

  The first side surface 351 of the brush 35 is preferably arranged so that the angle formed by the surface of the annular belt 15, that is, the angle α shown in FIG. 3 is an acute angle. According to this configuration, the coating agent supplied from the nozzle 34 to the first side surface 351 smoothly moves to the annular belt 15 along the bristles of the brush 35 in the lower left direction in FIG.

  It is preferable that the coating agent is applied to each part of the annular belt 15 by the brush 35 while the annular belt 15 rotates from the first side surface to the second side surface of the brush 35. In other words, as shown in FIG. 4, when an arbitrary vertical line BB ′ is drawn on the annular belt 15, the lower part of BB ′ first comes into contact with the brush 35, followed by BB ′. It is preferable to place the brush 35 at an angle so that the upper part contacts the brush 35. According to this configuration, the coating agent 36 present on the brush 35 is moved in the upper right direction by contact with the annular belt 15 rotating in the right direction in FIG. It is possible to prevent the coating agent from dripping from the brush and to eliminate the waste of the coating agent.

  In this embodiment, the coating agent supply unit is not provided on the annular belt 11 side, but a coating agent supply unit may also be provided on the annular belt 11 side.

  Further, a guide member for guiding the container 1 may be provided instead of the annular belt 11. In this case, the container 1 conveyed by the conveyor 10 rotates with the rotation of the annular belt 11. In this case, it is preferable that the annular belt 11 is driven at a higher speed than the conveyor 10 in the same direction as the conveyor 10 at the portion in contact with the container 1.

  The present invention is not limited to the above-described embodiments, and the present invention can be implemented in various forms without departing from the technical idea or the main features thereof.

It is a top view which shows roughly the structure of the coating apparatus of suitable embodiment of this invention. It is a side view which shows roughly the structure of the coating liquid supply part 75 shown in FIG. It is sectional drawing which cut | disconnected the side view shown in FIG. 2 by A-A '. FIG. 4 is a schematic diagram showing a surface of an annular belt 15 at a contact portion with a brush 35.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bottle 10 Conveyor 11, 15 Annular belt 21, 26 Drive pulley 22, 25 Drive pulley 31 Tank 32 Supply pipe 33 Control valve 34 Nozzle 35 Brush 36 Coating agent 75 Coating agent supply part 100 Coating apparatus 351 1st side 352 2nd side

Claims (3)

A coating apparatus for coating a container with a coating agent,
A conveyor for conveying containers;
An annular belt disposed on the side of the conveyor to contact the side of the container on the conveyor and configured to rotate the container;
A brush for applying a coating agent to the annular belt such that a container is coated with the coating agent by the annular belt;
A nozzle that is disposed above the brush and isolated from the brush, and that supplies the coating agent to the brush by discharging the coating agent downward;
The brush has a first side surface and a second side surface inclined with respect to the vertical direction, and is arranged to receive the coating agent discharged from the nozzle on the first side surface.
A coating apparatus characterized by that. An angle formed by the first side surface and the surface of the annular belt in contact with the first side surface is an acute angle.
The coating apparatus according to claim 1. Each part of the annular belt is coated with a coating agent by the brush during the rotation of the annular belt from the first side surface to the second side surface.
The coating apparatus according to claim 1 or 2, characterized in that

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