JPH0692264B2 - Scratch coating device for glass bottles - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scratch coating device for glass bottles such as beer bottles.

2. Description of the Related Art Conventionally, as this type of device, for example, one described in Japanese Patent Publication No. 60-55455 proposed by the applicant is known.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention By the way, since this known coating device is adapted to supply the coating liquid from the inside in the transfer direction of the beer bottle that is sent from the bottle supply section to the bottle discharge section on the rotating plate, Only one liquid supply part can be provided. Therefore, a large amount of coating liquid cannot be supplied, and it cannot be said that the beer bottle body is not necessarily sufficiently coated on the portion to be coated, and there is a problem that coating unevenness occurs.

Therefore, an object of the present invention is to solve the above-mentioned conventional problems, and to provide a coating apparatus which can supply a coating liquid in an appropriate amount and does not cause uneven coating.

Means for Solving the Problems In order to achieve the above object, the coating apparatus of the present invention is a glass bottle transfer path provided with a bottle supply unit on one side in the circumferential direction and a bottle discharge unit on the other side, and this glass bottle. A star that is rotatably provided on the transfer path and receives the body of the glass bottle supplied from the bottle supply unit in the recess formed between the teeth to maintain the space between the bottles and to transfer the bottle by rotation. A wheel, a rotating roller provided at the tip and recess of each tooth of the star wheel so as to be in contact with the body of the glass bottle, a drive member for rotating the star wheel, and a predetermined outer peripheral side of the glass bottle transfer path. A guide plate having an elastic body on its inner surface, which is arranged over a length and has a body portion of the glass bottle that is fed by the rotation of the star wheel in sliding contact, and a plurality of guide plates are provided at predetermined intervals on the guide plate. Elasticity that applies a coating liquid to the rotating glass bottle by slidingly contacting the elastic body during transfer, with the outer peripheral portion protruding from each of the cutout portions to the glass bottle transfer path side in a vertically rotatable manner. A coating liquid supply member having a plurality of coating rollers made of a material and nozzles that are in sliding contact with the outer peripheral surfaces of the coating rollers that do not project from the cutout portions toward the glass bottle transfer path side, and that supply the coating liquid to the coating rollers from these nozzles. It is equipped with

In the above, a plurality of nozzles may be provided at predetermined intervals in the axial direction of the coating roller, and a valve capable of adjusting the coating liquid supplied to each of these nozzles may be provided.

The glass bottles that are supplied from the working bottle supply section on the glass bottle transfer path while the space is maintained by the rotation of the star wheel are
The rotating roller provided on the star wheel and the elastic body of the guide plate are brought into sliding contact with each other to be fed while being rotated (rotated). When you reach a certain position of the coating roller,
While the bottle rotates and presses the roller while rotating, the coating liquid is applied to the surface from the coating roller during the rotation. Then, this application is performed over the entire circumference by the rotation of the bottle at a position where there are a plurality of coating rollers, thereby shielding the surface from scratches. The coated glass bottle is discharged to the bottle discharge section.

As described above, since the coating liquid is supplied from a plurality of locations to the glass bottle fed on the glass bottle feeding path from the outer side in the feeding direction, it is possible to feed the coating liquid without excess or deficiency.

Embodiment 1 In FIG. 1, 1 is an inlet conveyor, 2 is an arc-shaped transition plate provided below an inlet star wheel 3, and 5 is a bottle base rotatably provided on the outer circumference of a rotary table 7 of a labeler body 6. (The upper half is omitted in the drawing), 8 is a crossover plate provided below the coating apparatus star wheel 9 and partly extending below the exit star wheel 10, and 11 is an exit conveyor, These are arranged on the machine base 12 at approximately the height of the circle, and are rotated between the star wheels 3, 9, 10 and the turntable 7 respectively by the drive members (not shown) between the teeth of the star wheels 3, 9, 10 by the rotation thereof. A transfer path is formed for continuously transferring the beer bottles 13 which are received in the formed recesses and which are placed on the bottle table 5 and are held while maintaining a mutual distance between them in a standing manner in a row.

The bottle base 5 is rotated by a cam mechanism (not shown) while the turntable 7 makes one rotation, and the rotation causes the bottle 13 which is placed on the upper surface of the bottle base 5 and whose mouth is held by the gripper to rotate. Then, the label is attached to the body portion 13a.

Reference numeral 14 denotes a rotating roller provided at the tip of each tooth of the star wheel 9 and at the recesses, which come into contact with the barrel 13a of the beer bottle 13 when it is received in the recesses.

Reference numeral 15 denotes an arc-shaped guide plate, which is provided on the outer periphery of the transition plate 8 from the labeler body side to a position near the exit star wheel 10 at a height enough to cover the body portion 13a of the beer bottle 13. Beer bottle 13 to be transferred to the inner surface of the guide plate 15
An elastic body 16 made of a sponge or the like with which the body portion 13a is in sliding contact is provided. Also, as shown in Figs. 2 and 3, the guide plate 1
A plurality of (four in this embodiment) notches 17 are provided at predetermined intervals in the lengthwise direction of 5, and a sponge part of the outer periphery of which is protruded from these notches toward the transition plate 8 side is made of an elastic material. A coating roller 18 made of a material is vertically rotatably disposed with its upper and lower shaft portions supported by a bearing 20.

A plurality of coating liquid supply nozzles (five in this embodiment) are provided at predetermined intervals in the axial direction on the outer peripheral surface of the coating roller 18 that does not project from the cutout portion 17 to the transition plate 8 side.
22 are arranged laterally with their tip openings slidably in contact with each other, and the rear end openings of these nozzles 22 are collectively connected to a single pipe 23, and a coating liquid (not shown) is provided via a T-shaped joint 24. It is connected to a supply pipe 25 connected to the supply member. An adjustment valve 26 is provided near the tip opening of the nozzle 22 so that the amount of coating liquid supplied from the nozzle 22 can be adjusted. In FIG. 1, reference numeral 28 denotes a support member for supporting the supply pipe 25, which is attached to the guide plate 15.

As the coating liquid to be applied to the bottle in the above, for example, there is a scratch-shielding agent containing a silicone resin as a main component disclosed in JP-A-61-16152.

Next, the operation of the embodiment will be described.

When a driving member (not shown) is driven, the entrance conveyor 1, the entrance star wheel 3, the turntable 7 of the labeler body 6, the star wheel 9 for the coating device, the exit star wheel 10, and the exit conveyor 11 are rotated, respectively, and stand up from the entrance conveyor 1. Beer bottles 13 that are sent in the form are held at intervals in the recesses of the entrance star wheel 3 and the transition plate 2
Bottle stand 5 sent to the top and provided on the turntable 7 of the labeler body 6
Transferred to the top.

The beer bottle 13 transferred onto the bottle base 5 is fed around one round by the rotation of the rotating plate 7, and during this period, the beer bottle 13 is rotated as described above and a label is attached to the bottle body. Then, it is transferred from the bottle stand 5 onto the transfer plate 8 of the coating apparatus. The beer bottle 13 transferred onto the transfer plate 8 is transferred by the rotation of the star wheel 9 on the plate 8 while being kept at a space by the concave portion of the wheel, and is provided on the star wheel 9 during this transfer. Rotating roller 14 and elastic body 16 of guide plate 15 slide and rotate as shown in FIG. 3 (rotate)
To be done. Then, the beer bottle 13 transferred on the plate 8 while rotating on its own axis first comes to the position where the coating roller 18 is located. Here, as shown in FIG. 2, about 1/3 of the upper part of the body 13a of the bottle is still in sliding contact with the notched portion of the elastic body 16 of the guide plate 15, so that rotation (rotation) is maintained. The body 13a of the bottle presses the coating roller 18, and the coating liquid supplied from the nozzle 22 is applied to the surface of the body 13a by this pressing. The application of such a coating liquid is not limited to the application by the sliding contact of the body portion 13a with the elastic body 16 at the position of the plurality of coating rollers 18, and the elastic body is applied via the bottle on which the coating liquid has been applied. Transfer and stretch to areas other than the 16 notches (where the coating roller 18 does not exist), and the elastic body 16
The application is also performed by sliding contact with the surface, so that the application is performed over the entire circumference without any excess or deficiency, and scratches on the surface of the body portion 13a are shielded. With this coating, the coating roller 18 is rotated in the opposite direction, and the coating liquid is supplied from the nozzle 22 to the portion where the coating liquid is reduced by the coating.

In addition, when there is a portion on the body 13a of the bottle where it is desired to apply the coating liquid in a large amount during the application, the supply amount is adjusted by the adjusting valve 26 provided in the nozzle 22 near the portion.

The bottle 13 coated with the coating liquid is then rotated from the star wheel 9 by the rotation of the outlet star wheel 10 so that the space between the bottles 13 is maintained in the concave portion of the wheel, and the bottle 13 is transferred from the crossover plate 8 to the outlet conveyor 11 and then conveyed by the conveyor 11. It is sent to the next process.

As described above, the coating liquid is supplied to the body portion 13a of the beer bottle 13 immediately after the label is attached from the outer side in the transfer direction by a plurality of coating rollers 18.

In this embodiment, the coating roller 18 is rotated by the rotation of the bottle 13 to be transferred, but it is forcibly rotated by using, for example, a V belt connecting a plurality of coating rollers and a drive motor. You may do it. In addition, the embodiment shows only a preferable example, and the detailed design can be variously changed without changing the gist.

EFFECTS OF THE INVENTION According to the invention of claim 1, the coating liquid is supplied from a plurality of positions on the outer side in the transfer direction of the glass bottle to be transferred, so that the coating liquid can be supplied to the glass bottle without excess or deficiency. . Therefore, uneven coating is completely eliminated. Further, compared to a system in which the coating liquid is supplied from the inner side in the transfer direction of the beer bottle, the operability is good, and the work can be easily performed from the outer side of the beer bottle to be transferred even in the case of repair or maintenance in the event of a failure or the like.

According to the second aspect of the invention, when the coating liquid is supplied to the coating roller, the coating liquid can be supplied only to an arbitrary portion of the body portion of the glass bottle, and the amount of the supply can also be adjusted by a valve.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing an embodiment of the present invention, FIG. 2 is an enlarged front view of an essential part of the same, and FIG. 3 is an enlarged plan view of an essential part of the same. 1 …… Inlet conveyor, 2,8 …… Transfer plate 3,9,10 …… Star wheel 5 …… Bottle stand, 11 …… Exit conveyor 13 …… Beer bottle, 13a …… Body 14 …… Rotary roller, 15 …… Guide plate, 16 …… Elastic body 17 …… Notch, 18 …… Coating roller 22 …… Nozzle, 26 …… Regulator valve

Claims (2)

[Claims] 1. A glass bottle transfer path having a bottle supply section on one side in the circumferential direction and a bottle discharge section on the other side, and a glass bottle rotatably provided on the glass bottle transfer path and supplied from the bottle supply section. The body of the bottle is received in the recess formed between the teeth to maintain the distance between the bottles,
A star wheel for transporting the bottle by rotation, a rotary roller provided at the tip and recess of each tooth of the star wheel so as to be in contact with the body of the glass bottle, a drive member for rotating the star wheel, and the glass bottle A guide plate, which is provided on the outer peripheral side of the transfer path for a predetermined length and has an elastic body on its inner surface, which is in sliding contact with the body of the glass bottle fed by the rotation of the star wheel, and a plurality of guide plates which are spaced at predetermined intervals. The coating liquid is applied to the rotating glass bottle by slidingly contacting the elastic body during the transfer, with the outer peripheral portion protruding from each of the cutouts protruding partially toward the glass bottle transfer path. A plurality of coating rollers made of elastic material, and an outer peripheral surface that does not protrude from the cutout portion of these coating rollers toward the glass bottle transfer path side. Each have a sliding contact with the nozzle, glass bottle abrasion coating apparatus, wherein a coating liquid from the nozzles equipped with a coating liquid supply member supplies the respective coating rollers. 2. A plurality of nozzles are provided at a predetermined interval in the axial direction of the coating roller, and a valve capable of adjusting the coating liquid supplied to each of these nozzles is provided. Scratch coating device for glass bottles.