JP4352197B2 - Foreign matter removal device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a foreign matter removing method and a foreign matter removing device that are preferably used when foreign matters such as hair attached to a plastic bottle or the like are automatically removed before filling contents or before labeling.
[0002]
[Prior art]
Bottles made of plastics and glass such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, polycarbonate, nylon, etc. are widely used as containers for medicines and foods, and liquids such as eye drops are used in such bottles. When filling with tablets, capsules, foods, etc., labeling and shipping, foreign matter removal treatment to remove foreign matters such as hair adhering to the bottle surface (including inner surface) It is performed immediately before to prevent hair or the like from being mixed or stuck together with the label.
[0003]
Such foreign matter removal is carried out by providing a foreign matter removal mechanism that injects compressed air in the transport mechanism of the content filling machine or labeling device, and spraying compressed air on the bottles that are aligned and transported immediately before filling the content. Alternatively, a method is generally employed in which the hair attached to the bottle surface is blown away and removed immediately before labeling.
[0004]
[Problems to be solved by the invention]
However, the plastic bottle is likely to be charged with static electricity due to friction during transportation, and it is difficult for foreign matters such as hair attached to the surface to peel off due to the static electricity, and even if it is once peeled off, the hair is likely to adhere due to static electricity. The treatment by blowing compressed air may not be able to remove the hair etc. reliably, and even once removed, the hair etc. will adhere again for a short time before filling the contents or labeling. Therefore, it is not always possible to perform sufficiently satisfactory foreign substance removal.
[0005]
The present invention has been made in view of the above circumstances, and can remove foreign substances such as hair attached to the surface of a plastic bottle or the like more reliably. In a labeling apparatus, hair or the like is mixed into the contents or labeled. It is an object of the present invention to provide a foreign matter removing apparatus that can reliably prevent the sticking together.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention aligns the bottles of a labeling device that continuously conveys a large number of plastic bottles in an aligned state and affixes a label to the surface of the bottles that are conveyed in the aligned state. A foreign substance removing area is set in a predetermined range on the front side of the label attaching area of the conveying means for conveying in a state, and the foreign substance removing apparatus is configured in the foreign substance removing area, and the numerous plastic bottles are rotated in an aligned state. Conveying means for conveying while discharging, discharging air injection means for discharging the discharging air from one side to the conveying direction to the bottle conveyed while rotating, and the discharging air injection means sandwiching the bottle to be conveyed And an exhaust means for sucking out the discharged air and exhausting it out of the system, and is transported while being rotated in an aligned state by the transport means. The neutralizing air is ejected onto the bottle by the neutralizing air ejecting means, and the foreign matter adhering to the bottle surface is blown away while neutralizing the bottle surface, and the removed foreign matter is removed from the system together with the neutralizing air by the exhausting means. And a foreign matter removing device characterized by being discharged.
[0007]
In order to achieve the same object, the present invention further provides a labeling device that continuously conveys a large number of plastic bottles in an aligned state and attaches a label to the surface of the bottle that is conveyed in the aligned state. A foreign matter removing device configured to set a foreign matter removing region within a predetermined range on the front side of the label attaching region of the transporting means for transporting the bottles in an aligned state and configured in the foreign matter removing region. A conveyor that conveys on the track, a conveyor screw that is disposed along one side of the bottle that is conveyed on the conveyor, and rotates at a predetermined speed, and the conveyance screw that sandwiches the bottle that is conveyed. Located on the opposite side of the guide bar disposed along the conveyor, and at the location where the conveying screw and the guide bar are disposed, the upper side of the bottle is conveyed on the conveyor. Discharged air spraying means for spraying the discharged air from the diagonally upward direction on the bottle, and discharging means disposed under the conveyor for sucking the discharged air and exhausting it out of the system. Each bottle that is transported on the conveyor is brought into contact with the threaded portion of the conveying screw, and the bottles are held between the guide bar and the trough between the threaded screws, thereby making the front-rear contact. Aligned bottles that are transported, close to each other, or randomly transported at predetermined intervals, and each bottle is transported at a speed lower than the transport speed by the conveyor by rotation of the transport screw. The discharging air is sprayed onto each bottle being transported by the discharging air spraying means, and the foreign matter adhering to the bottle surface is blown away while discharging the bottle surface. Thereby to remove, to provide a foreign matter removing apparatus characterized by discharging the removed foreign matter out of the system by the exhaust means with static eliminating air.
[0008]
As described above, the foreign matter removing apparatus of the present invention sprays static elimination air on a foreign matter removal object such as a bottle conveyed in an aligned state by the conveyance mechanism in a labeling device, a bottling device, etc. A foreign object such as hair is blown off while the surface of the object to be removed is neutralized.
[0009]
Therefore, the adsorbed state due to static electricity is released, and foreign matters such as hair are surely peeled off from the surface of the object to be removed, and the hair is prevented from adhering again due to static electricity. It is possible to reliably prevent inconvenience such as sticking together.
[0010]
In this case, normal compressed air can be sprayed onto the foreign object removal target such as a plastic bottle together with the static elimination air, and the foreign substance removal target is neutralized by the static elimination air so that the foreign substance such as hair is easily peeled off. At the same time, the foreign matter may be blown away with compressed air having a large wind speed and air volume, whereby the foreign matter can be more reliably removed. At this time, the static elimination air may be blown simultaneously with the normal compressed air to the bottle b, or the normal compressed air may be blown after the static elimination air is blown to neutralize the surface of the object to be removed.
[0011]
In addition, when the foreign matter removal target is a hollow cylindrical container such as the bottle, the container is rotated while rotating the container in at least a predetermined conveying area where the discharging air or discharging air and normal compressed air are blown. In addition, it is preferable that the above-mentioned static elimination air or static elimination air and normal compressed air be blown onto the container that moves while rotating, so that the static elimination air or the static elimination air and the compressed air are surely applied to the entire outer periphery of the cylindrical container. The foreign matter can be removed more reliably by spraying.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
EXAMPLES Hereinafter, an Example is shown and this invention is demonstrated more concretely.
[First embodiment]
FIG. 1 shows a labeling device 1 equipped with a foreign matter removing device according to an embodiment of the present invention. This labeling device 1 is arranged on the outer peripheral surface of a plastic bottle b filled with eye drops, for example. This is for attaching a label displaying the contents and expiration date of the contents.
[0013]
As shown in FIG. 1, the labeling apparatus 1 includes a supply disk 2 for supplying and supplying bottles b as labeling objects, and a foreign substance removing disk for removing foreign substances such as hair and dust attached to the outer peripheral surface of the bottle b. 3, a labeling disk 4 for attaching a label to the outer peripheral surface of the bottle b, a transfer belt 5 for attaching a label to the bottle b held and conveyed by the labeling disk 4, and a bottle b to which a label is attached And a discharge disk 6 for discharging from the apparatus.
[0014]
The supply disk 2 is a thick disk having a peripheral edge formed in a substantially serrated shape and holding and transporting the bottle b in a number of recesses 21 provided in the substantially serrated peripheral edge. By rotating at a predetermined speed in the rotating direction, the bottle b is transported from the tray 22 while being held in the recess 21 formed in the outer peripheral edge.
[0015]
Further, as shown in FIGS. 2 and 3, the foreign matter removing disk 3 is located between the two ring-shaped disks 32 and 32 attached to the rotating substrate 31 at the periphery of the disks 32 and 32. Thus, a large number of holding rollers 33 are erected so as to be spaced apart from each other by a predetermined interval, and are rotated counterclockwise in FIG. 1 at a predetermined speed. As shown in FIG. 1, the foreign matter removing disk 3 rotates in synchronization with the supply disk 2 to receive the bottle b from the supply disk 2 between the holding rollers 33 and hold it. Then, the bottle b is delivered to the labeling disc 4.
[0016]
A compressed air ejection mechanism and a static elimination air ejection mechanism are provided around the foreign matter removal disc 3 along the transport area, and the foreign matter removal disc 3 and these ejection mechanisms constitute a foreign matter removal device. . That is, as shown in FIGS. 2 and 3, a compressed air injection block 34 is attached around the conveyance area of the foreign matter removing disk 3 at a predetermined distance from the outer peripheral edge of the foreign matter removing disc 3. A static elimination bar 35 is disposed above the compressed air injection block 34, and a substantially fan-shaped air collecting hole 36 connected to the exhaust duct 361 is provided below the foreign matter removing disk 3 along the conveying region. The conveyance area is sucked through the exhaust duct 361 and the substantially fan-shaped air collecting hole 36.
[0017]
As shown in FIGS. 2 and 3, the compressed air injection block 34 is provided with a compressed air injection recess 341 along the circumferential direction on the inner peripheral surface facing the foreign matter removing disk 3. A number of injection nozzles 342 are formed in the compressed air injection recess 341 along the circumferential direction so that compressed air supplied from the compressed air supply hole 343 is discharged from the injection nozzle 342 through the buffer space 344. It has become.
[0018]
Further, the static elimination bar 35 is a known one having an air injection function, and by supplying compressed air, the static elimination air is ejected from a number of injection nozzles 351 provided continuously along the length direction. The static elimination air is arranged so as to be jetted between the compressed air jet block 34 and the foreign matter removing disk 3.
[0019]
The foreign matter removing disk 3, the compressed air jet block 34, and the charge removal bar 35 are not particularly shown, but are covered with a transparent resin cover, and the compressed air ejected from the compressed air jet block 34 and the charge removal bar 35 is covered. Further, the static elimination air is exhausted from the substantially fan-shaped air collecting hole 36 to the outside without leaking out from the conveying area by the foreign matter removing disk 3.
[0020]
Next, as shown in FIG. 1, the labeling disk 4 has a plurality of holding rollers 41 at a predetermined interval between two relatively large-diameter disks. They are erected in such a way that they are spaced apart and rotated freely. The labeling disk 4 rotates at a predetermined speed clockwise in FIG. 1, receives the bottle b from the foreign matter removal disk 3 between the holding rollers 41, and holds and conveys the bottle b.
[0021]
The rolling belt 5 that rotates along the outer peripheral surface of the labeling disk 4 is disposed at a predetermined rotational angle position of the labeling disk 4. As shown in FIG. 1, the transfer belt 5 is stretched between three rollers 51 and is driven by one roller 51 so as to circulate and rotate in the direction of an arrow in the figure. In this case, a part of the belt 5 is brought into contact with the outer peripheral surface of the bottle b conveyed by being held by the labeling disk 4 with a predetermined pressure.
[0022]
Further, the discharge disk 6 is a thick disk having a large number of arc-shaped recesses 61 provided continuously on the outer peripheral surface, and as shown in FIG. 1, it rotates at a predetermined speed in the counterclockwise direction in the figure. By doing so, the bottle b to which the label is attached is received from the labeling disk 4 to the concave portion 61, sucked and held in the concave portion 61, and introduced into the discharge path 62. In this case, a defective discharge path 63 is provided in the middle of the bottle conveyance range by the discharge disk 6 to discharge the bottle b ′ in which the label sticking failure has occurred to another path.
[0023]
Furthermore, the labeling apparatus feeds the label sheet a from a sheet roll (not shown) in which a label sheet a having a large number of labels affixed in an easily peelable state on a belt-like mount is wound. A label transport unit 7 composed of a plurality of rollers (not shown) is provided, and the label sheet a transported by the label transport unit 7 has an outer periphery of the labeling disk 4 as shown in FIG. It is folded back at an acute angle by a folding plate 71 disposed in the vicinity of the place where the surface and the transfer belt 5 abut.
[0024]
The labeling operation by the labeling apparatus 1 is performed as follows.
First, bottles b filled with eye drops or the like are randomly supplied to the tray 22 by a belt conveyor (not shown) or the like, and held in the recesses 21 on the outer peripheral surface of the supply disk 2 one by one. Compressed air that is conveyed by being aligned by the rotation of 2, transferred from the supply disk 2 to the foreign matter removing disk 3, and conveyed from the supply disk 2 to the bottle b during the conveyance. In addition, foreign substances such as hair adhering to the outer peripheral surface of the bottle b are removed by the static elimination air, and further transferred to the labeling disk 4, and the bottles b are held one by one between the holding rollers 41 of the labeling disk 4. Then, the labeling disk 4 is conveyed in an aligned state to the arrangement position of the transfer belt 5 by the rotation of the labeling disk 4.
[0025]
On the other hand, in the label transport unit 7, the label sheet a is intermittently fed from the sheet roll (not shown) and transported, and the expiration date (expiration date) and the production number are displayed on the label sheet a during the transport. Laser-printed on the label. And after laser printing, this label is conveyed to the outer peripheral part of the said labeling disc 4, and is affixed on the outer peripheral surface of the said bottle b hold | maintained and conveyed by the outer peripheral part of the said labeling disc 4. FIG.
[0026]
The label is affixed as follows. That is, the label sheet a is folded at an acute angle in the vicinity of the outer periphery of the labeling disk 4 by the folding plate 71. At this time, the label affixed to the mount of the label sheet a in an easily peeled state is peeled from the mount, and the labeling disk 4 is inserted between the bottle b held on the outer periphery of the belt 4 and the transfer belt 5. In this case, the transfer belt 5 circulates and rotates in the direction of the arrow in FIG. 1, and the bottle b also rotates following the transfer belt 5, so that the label is wound around the outer peripheral surface of the bottle b. The label is fixed to the outer peripheral surface of the bottle b, and the label is affixed to the bottle b by being conveyed while being rotated while being pressed by the transfer belt 5.
[0027]
As shown in FIG. 1, the bottle b thus labeled is further conveyed by the rotation of the labeling disk 4 and delivered to the recess 61 formed on the outer peripheral surface of the discharge disk 6. Then, it is sucked and held in the recess 61 and conveyed by the rotation of the discharge disk 6 and discharged from the discharge path 62 to the outside of the apparatus.
[0028]
Although not specifically shown, the labeling device includes a liquid amount sensor for inspecting the amount of eye drops filled in the bottle b, a print inspection camera for inspecting laser printing, and a label application state. 1 is provided with a defective sticking detection camera to be inspected, and as shown in FIG. 1, the bottle b ′ in which the defect is detected is discharged and removed to the defective product discharge path 63 in the middle of the conveyance by the discharge disk 6. It is supposed to be.
[0029]
As described above, the labeling device 1 according to the present embodiment continuously transports the bottles b in an aligned state, automatically applies the label to the outer peripheral surface of the bottles b, and the bottle b being transported before labeling. Compressed air is sprayed on the surface to remove foreign substances such as hair, and the hair and the like are prevented from being attached together with the label.
[0030]
In this case, in the labeling apparatus 1 of the present embodiment, foreign matter such as the hair is removed by blowing static electricity from the static elimination bar 35 to the bottle b in addition to normal compressed air from the compressed air injection block 34. It is like that. This foreign matter removing operation will be described in detail as follows.
[0031]
As shown in FIGS. 2 and 3, the bottle b that is transported while being held on the outer peripheral portion of the foreign matter removing disk 3 is formed between the outer peripheral portion of the foreign matter removing disc 3 and the inner peripheral surface of the compressed air injection block 34. The bottles b are conveyed while being held between the two holding rollers 33. The bottles b conveyed at this time move while rotating so as to roll on the inner peripheral surface of the compressed air injection block 34.
[0032]
The neutralizing air ejected from the neutralizing bar 35 is blown from above on each bottle b moving while rotating, and the compressed air ejected from the nozzles 342 of the compressed air ejection block 34 is sprayed on the outer peripheral surface of the bottle b, Foreign substances such as hair adhering to the surface of the bottle b are blown off by the static elimination air and the compressed air, and discharged together with the static elimination air and the compressed air from the fan-shaped air collecting hole 36 to the outside through the exhaust duct 361. . In this case, the conveyance area by the foreign substance removal disc 3 is covered with a transparent resin cover (not shown), and the static elimination air and the compressed air flow from the substantially fan-shaped air collecting hole 36 together with the foreign substance without flowing to other areas. It is surely discharged outside the system.
[0033]
As described above, the foreign matter removing device provided in the labeling device 1 of the present embodiment is adapted to remove foreign matter such as hair by blowing static electricity air and normal compressed air onto the bottle. Foreign matter such as hair can be blown off while removing the surface of the hair. Therefore, the adsorbed state due to static electricity is released, and foreign substances such as hair are reliably peeled off and blown off from the surface of the object to be removed, and the hair is also prevented from adhering again due to static electricity. It is possible to reliably prevent such inconvenience.
[0034]
Further, in this embodiment, since the static elimination air and normal compressed air are used in combination, the surface of the bottle b is neutralized by the static elimination air so that foreign matters such as hair are easily peeled off. Therefore, it is possible to reliably blow off with a large amount of compressed air, and to reliably remove foreign matter with high reliability.
[0035]
Furthermore, in the present embodiment, in the predetermined conveyance region where the static elimination air and the normal compressed air are blown, the bottle b is conveyed along an arc-shaped track while rotating, and moves along the arc-shaped track while rotating. Since the static elimination air and normal compressed air are blown onto the bottle b, the static elimination air and the compressed air can be surely blown around the entire circumference of the bottle b, and the transport area by the foreign matter removal disc 3 is a transparent resin cover. The discharged air and compressed air do not flow out to other parts, and the blown-off foreign matter is sucked together with the discharged air and compressed air, and is surely passed through the substantially fan-shaped air collecting hole 36 and the exhaust duct 361. Since it is discharged to the outside, a more reliable foreign matter removal process can be performed.
[0036]
[Second Embodiment]
FIG. 4 shows a foreign matter removing mechanism (foreign matter removing device) provided in a labeling apparatus according to another embodiment of the present invention. While the four disks of the labeling disk 4 and the discharge disk 6 are used to convey the bolt b along the circular arc track, the labeling device of the second embodiment uses a conveyor to straighten the bottle b. To carry out labeling.
[0037]
As shown in FIG. 4, the labeling device rotates the bottle b flowing on the conveyor 8 by the transfer belt 5, and peels the label a1 set on the label affixing portion 72 from the mount of the label sheet a to the bottle b. It is transferred to the outer peripheral surface of. In this case, in this embodiment, the transport screw 81 is disposed along the conveyor 8 at a position before the label attaching portion 72, and the front and rear bottles b are in contact, close to each other, or randomly transported. b is decelerated by the conveying screw 81, a predetermined gap is provided between the front and rear bottles b, and a foreign matter removing region d is provided which is slowly conveyed by the rotation of the conveying screw 81.
[0038]
As shown in FIG. 4, in the foreign matter removal area d, neutralization bars 35, 35 are disposed above both sides with the nozzles 351, 351 facing the conveyance path of the bottle b. . As shown in FIG. 5, one of these static elimination bars 35, 35 is located above the conveying screw 81 and blows static elimination air on the upper portion of the bottle b, and the other is more than the one static elimination bar. It arrange | positions in a low position and discharges static elimination air to the lower part of the bottle b.
[0039]
In the foreign matter removal area, the bottles b are slowly conveyed in a state of being spaced apart from each other as described above. The conveying operation will be described. The bottle b which is in the front-rear contact state, the close-contact state or the randomly conveyed state by the conveyor 8 is brought into contact with the thread portion of the conveying screw 81 in the foreign matter removal region d, and the foreign matter removal. In the area d, the bottles b are conveyed at a lower speed than the conveying speed by the conveyor 8 by the rotation of the conveying screw 81, and the bottles b are separated from each other by a predetermined interval as shown in FIG. Further, as shown in FIGS. 4 and 5, each bottle b transported in the transport region d is transported while rotating so as to roll along the guide bar 82 while being in contact with the guide bar 82. Is done.
[0040]
And the static elimination air is sprayed from the nozzle 351 of the static elimination bar 35 to each bottle b conveyed while rotating this foreign substance removal area | region d, and foreign substances, such as hair adhering to the bottle b outer peripheral surface, are removed. Then, after passing through the foreign matter removal area d, it is immediately transported to the label applying part 72 by the conveyor 8, and the bottle b is transferred with the outer peripheral surface in contact with the label a1 set in the label attaching part 72. The belt 5 rotates by itself, and a label a1 is attached to the outer peripheral surface thereof.
[0041]
As described above, in the labeling device of the second embodiment, in the foreign matter removal region d, the bottle b is slowly transported while being rotated by the transport screw 81 in a state of being spaced apart by a predetermined distance in the front and rear, and the neutralizing air is supplied to the bottle b. The foreign matter such as hair is removed by spraying the hair, and the foreign matter such as hair can be removed without being affected by static electricity while discharging the surface of the bottle b and decelerates in the foreign matter removing region d. At the same time, since the foreign matter removing operation is performed while rotating in a state where there is a space in the front and rear direction, reliable foreign matter removal can be performed over the entire circumference of the bottle b.
[0042]
The guide bar 82 constituting the foreign substance removal region d of the labeling device is configured to be able to advance and retreat with respect to the conveying screw 81 as indicated by a two-dot chain line in FIG. It can be applied to resizing. Further, although not particularly illustrated, an exhaust hole and an intake mechanism are provided below the conveyor 8, and the static electricity blown to the bottle b and foreign matters such as hair blown off by the static elimination air are sucked together with the air. Then, it is designed to be discharged outside the system.
[0050]
【The invention's effect】
As described above, according to the foreign matter removing device of the present invention, foreign matter such as hair adhering to the surface of a plastic bottle or the like can be reliably removed by releasing the adsorption due to static electricity. Or the like can be reliably prevented from being mixed into the contents or stuck together with the label.
[Brief description of the drawings]
FIG. 1 is a schematic view showing a labeling apparatus provided with a foreign matter removing apparatus according to a first embodiment of the present invention.
FIG. 2 is an enlarged schematic plan view showing the foreign matter removing apparatus.
FIG. 3 is a schematic sectional view showing the foreign matter removing apparatus.
FIG. 4 is a schematic view showing another labeling apparatus including a foreign matter removing apparatus according to a second embodiment of the present invention.
FIG. 5 is a schematic view showing a conveying screw portion of the foreign matter removing apparatus.
[Explanation of symbols]
1 Labeling device 3 Foreign matter removal disk (conveying means)
34 Compressed air injection block (compressed air injection means)
342 Pressure air ejection part (compressed air injection means)
361 Exhaust part (exhaust means)
35 Static elimination bar (Static elimination air injection means)
36 Exhaust hole (exhaust means)

Claims (7)

The label sticking of a transporting means for transporting the bottles in an aligned state in a labeling device that transports a large number of plastic bottles in an aligned state and sticks labels on the surface of the bottles transported in the aligned state. A foreign substance removing device configured to set a foreign substance removing area within a predetermined range on the near side of the area and configured in the foreign substance removing area,
Conveying means for conveying the numerous plastic bottles while rotating in an aligned state;
Static elimination air injection means for injecting static elimination air from one side with respect to the conveyance direction to the bottle conveyed while rotating,
It is disposed on the opposite side of the static elimination air injection means across the bottle to be conveyed, and comprises exhaust means for sucking the static elimination air and exhausting it out of the system,
The neutralizing air is ejected by the neutralizing air ejecting means to the bottles that are conveyed while being rotated in an aligned state by the conveying means, and the foreign matter adhering to the bottle surface is blown off and removed while the neutralizing the bottle surface. A foreign matter removing apparatus, wherein the discharged foreign matter is discharged out of the system by the exhaust means together with static elimination air.   The bottle is provided with compressed air injection means for continuously injecting normal compressed air from one side with respect to the conveyance direction to the bottle, and the static elimination air is supplied to the bottle conveyed while being rotated in an aligned state by the conveyance means. At the same time, the surface of the bottle is neutralized by neutralizing air by spraying normal compressed air, and the foreign matter is blown off by the neutralizing air and the compressed air to be removed. The foreign matter removing device according to claim 1, wherein the foreign matter removing device is configured to be discharged out of the system.   The static elimination air injection means is disposed on the bottle one side upward with respect to the conveyance direction and sprays the bottle conveyed while rotating the static elimination air from obliquely above, and from the compressed air injection means to the compressed air. The foreign matter removing apparatus according to claim 2, wherein spraying is sprayed on the bottle in a horizontal direction, and the exhaust means is disposed below the opposite side of the static elimination air injection means. The label sticking of a transporting means for transporting the bottles in an aligned state in a labeling device that transports a large number of plastic bottles in an aligned state and sticks labels on the surface of the bottles transported in the aligned state. A foreign substance removing device configured to set a foreign substance removing area within a predetermined range on the near side of the area and configured in the foreign substance removing area,
A conveyor for placing the bottles on a straight track,
A conveying screw disposed along the conveyor on one side of the bottle conveyed on the conveyor and rotating at a predetermined speed;
A guide bar disposed along the conveyor on the opposite side of the conveying screw across the bottle to be conveyed,
The neutralizing air jetting means that is disposed at both upper sides of the bottle conveyed on the conveyor and sprays the neutralizing air obliquely from above on the bottles that are present on the conveyor screw and the guide bar. When,
An exhaust means that is disposed below the conveyor and sucks the static elimination air and exhausts it out of the system;
Each bottle conveyed on the conveyor is brought into contact with the threaded portion of the conveying screw, and the bottles are held between the valleys between the threads and the guide bar, so that the bottles are in front-rear contact or close to each other. The bottles that are transported in a state or randomly are aligned in a state spaced apart from each other by a predetermined distance, and each bottle is transported at a speed lower than the transport speed by the conveyor by the rotation of the transport screw. In addition, the static elimination air is ejected by the static elimination air ejecting means, and the foreign matter adhering to the bottle surface is blown away while neutralizing the bottle surface, and the removed foreign matter is discharged out of the system by the exhaust means together with the static elimination air. A foreign matter removing apparatus characterized by:   One static elimination air injection means arranged on one side of the bottle to be conveyed is located above the conveyance screw and sprays static elimination air on the upper part of the bottle, and is arranged on the other side. 5. The foreign matter removing apparatus according to claim 4, wherein the other static elimination air injection means is disposed at a position lower than the one static elimination air injection means, and the static elimination air is blown to the lower part of the bottle.   The said guide bar is comprised so that advancing / retreating with respect to the said conveyance screw is possible, The structure of the said Claim 4 comprised so that the space | interval of the said conveyance screw and a guide bar could be adjusted according to the magnitude | size of the said bottle. 5. The foreign matter removing apparatus according to 5.   The foreign matter removing apparatus according to any one of claims 4 to 6, wherein the bottle is conveyed while rotating so as to roll along the guide bar in a state of being in contact with the guide bar.

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