JP2807143B2 - Roller for roller conveyor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller (hereinafter, abbreviated as "roller") for a roller conveyor for transporting a load, and more particularly, to a bottle or the like containing a liquid or a bottle containing a liquid and a solid. It is intended to make the temperature distribution of the contents constant and to efficiently raise or cool the temperature.

[0002]

2. Description of the Related Art Conventionally, the rollers of a roller conveyor for transporting luggage have a cylindrical shape with a perfect circular cross section. After a rotary shaft is passed through the center of the roller and attached to the roller, the rotary shaft can be rotated on a bearing. At the same time, a sprocket is attached to one end of the rotating shaft, and the bearing is attached to the frame at a predetermined interval, and the rollers are arranged in parallel in a rotatable manner. In this state, a chain connected to driving means such as a motor is arranged on the sprocket, and the respective rollers are rotated in conjunction with each other.

[0003]

In the roller conveyor using the above-described rollers having a perfect circular cross section, precision equipment, etc., which is desired to avoid vibrations, in order to smoothly carry the load placed above the rollers without giving any vibration. It is suitable for transporting However, when the roller conveyor is arranged inside a steam chamber and a liquid or a bottle containing a liquid and a solid is transported, since the vibration is small, the temperature of the central portion of the contents of the bottle is hardly increased, and the temperature distribution is reduced. Is not uniform.

Further, since the above-mentioned bottle is made of glass, it has a low coefficient of friction, and is difficult to be conveyed by a roller having a perfect circular cross section, so that it is difficult to surely convey it in a predetermined time.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and conveys a bag containing liquid or the like, uniformly increases or cools the temperature distribution of the liquid or the like, and reliably conveys a bag having a low friction coefficient. It is an object of the present invention to provide a roller for transporting a roller conveyor capable of performing the following.

[0006]

In order to achieve the above object, a transport roller of a roller conveyor, which is a first means of the present invention, is configured by arranging transport rollers rotationally driven by drive means in parallel. Place the luggage on the roller conveyor,
A transport roller of a roller conveyor that transports the load in the rotation direction of the transport roller, wherein the transport portion of the transport roller that comes into contact with the load has a polygonal cross section having at least three or more continuous transport surfaces. In addition, a hollow portion is provided therein, and a through-hole for air circulation penetrating through the hollow portion is provided on the transport surface.

The transport roller is formed by connecting two or more roller units in series, and the roller unit has a polygonal cylindrical shape with one end being open and the other end being closed, and the inside thereof being the hollow portion. The above-mentioned through-hole is provided in the outer peripheral portion, and
A connection projection projecting outward in the length direction is provided at the closed end, and a connection recess engaging with the connection projection is provided at the opening end. Therefore, a plurality of transfer rollers can be connected in series by engaging the connection protrusion of another transfer roller with the connection recess of one transfer roller. It is preferable that the transport roller has the transport section formed in a regular polygonal cross section.

Alternatively, the transport roller of the roller conveyor, which is the second means of the present invention, is configured such that a load is placed on a roller conveyor having a plurality of transport rollers which are rotationally driven by driving means. A transport roller of a roller conveyor that transports the load in the rotation direction of the transport roller, wherein the transport roller includes a pair of bearing members, and includes a plurality of flat plates that transport the load to an outer peripheral portion of the bearing members. A transport member is provided, and a plurality of through holes are provided in these transport members. In this case, it is preferable that the conveying member and the bearing member are formed separately from each other, and that a joint collar for connecting the conveying members in series is provided so that the conveying member can be connected to a required full length.

[0009] Alternatively, a third embodiment of the present invention is a roller conveyer roller in which a load is placed on a roller conveyer which is constituted by juxtaposed convey rollers rotatably driven by driving means. A transport roller of a roller conveyor that transports the load in the rotation direction of the transport roller, wherein the transport roller has a polygonal cylindrical shape, and has a through hole that penetrates an internal hollow portion in a transport surface on an outer periphery thereof. Two or more roller units, and connecting means for connecting these roller units in series in the longitudinal direction. The roller units are connected via the connecting means so as to be connectable to a required overall length.

It is preferable that the transport rollers of the first to third means have a reinforcing shaft penetrated inside the transport rollers.

In a roller conveyor using the above rollers,
A rotating shaft is fixedly inserted through the shaft hole of the roller, and mounting plates are inserted from both ends of the rotating shaft to fix the mounting plate at both ends in the longitudinal direction of the roller. Is further pressed and fixed to the rotating shaft. Also,
Bearings are rotatably inserted into the rotating shaft from both ends, while a sprocket is attached to one end of the rotating shaft. In this mounting state, the bearing is attached to the frame at a predetermined interval, the rollers are arranged in a rotatable side-by-side state, a chain connected to driving means such as a motor is arranged on the sprocket, By operating the driving means, each roller is rotated.

In the roller, an insertion hole is provided at a predetermined interval on the outer periphery of a shaft hole of a bearing plate or a bearing member, and a fixing hole is provided. When it is added, a shaft is inserted into the insertion hole to reduce the load on the roller itself. When the pressure of the roller by the mounting plate is small and the roller slides on the rotating shaft and is not stable, the screw is passed through the mounting plate and screwed into the fixing hole of the roller. Is fixed securely.

[0013]

Since the roller of the present invention has a polygonal cross section, for example, when transporting a bottle containing liquid or the like, the bottle is shaken like a fringe, and even a bottle having a low coefficient of friction has a small friction coefficient. The corners or the conveying members can be brought into contact with each other to ensure the conveyance. So in the bin,
Since the liquid inside is also shaken together with the bottle, the function of stirring the liquid is applied, and the temperature distribution of the liquid in the bottle can be made uniform, and even a bag with a low coefficient of friction can be used for a predetermined time. Can be transported.

Further, the above-mentioned roller is composed of two or more roller units and connecting means for these roller units, and by inserting a connecting projection of the other roller unit into a connecting recess of one roller unit. Since it is possible to connect in the length direction, or because a joint collar for connecting the conveying members in series is provided, it is possible to correspond to the width of various types of roller conveyors. Further, when the weight of the load placed on the roller conveyor is heavy, the load can be reliably transported without deforming the roller by penetrating the shaft inside the roller.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIGS. 1A and 1B, the roller of the present invention is used for a roller conveyor 20 which is arranged in a side-by-side state and transports a load. The mounting plate 22 is inserted from both ends of the rotating shaft 21 and fixed to the rotating shaft 21 so that the roller is further pressed and fixed. A bearing 23 is loosely fitted to the rotating shaft 21 from both ends so as to be rotatable, and a sprocket 25 is attached to one end of the rotating shaft 21. The rollers in the mounted state are arranged in parallel with the bearing 23 at a predetermined interval with respect to the frame 24, and a chain 26 connected to driving means (not shown) such as a motor is arranged on the sprocket 25, and the driving means is By operating, the respective rollers are rotated via the rotary shaft 21 to convey a load placed above the rollers.

The roller 9 shown in the first embodiment is formed by connecting a plurality of (two in the figure) roller units 10 having a regular octagonal cross section and having a cylindrical body with a required length formed by punching the inside into a cylindrical shape. And are connected in series via

The roller unit 10 is shown in FIGS.
As shown in (F), the transporting portion 10a and the connecting convex portion 11 that closes one end of the transporting portion 10a as the connecting means.
The connection recess 12 on the other end side of the transport section 10a, which is shaped to engage with the connection projection 11, is integrally formed of a heat-resistant resin.

The transport section 10a has a first transport surface 10a-1 to an eighth transport surface 10a-
8 are continuously formed in a regular octagonal shape, and the inside cylindrical void portion is a hollow portion 10b. The transport section 10a includes first, second, and fifth and sixth transport surfaces 10a-1, 10a-2, 10a-5, which are opposed to each other.
A rectangular through-hole 10c penetrating from 10a-6 to the inside of the hollow portion 10b is formed.

The through hole 10c is provided on the transfer surface 10a-
3, three holes are provided at predetermined intervals from the connection protrusion 11 side of the connection protrusions 1, 10 a-2, 10 a-5, and 10 a-6 to the connection recess 12 side on the other side, and the length of one side is transported as described above. The surface has a substantially square shape from the vicinity of one end to the vicinity of the other end.

The connecting projection 11 has a columnar shape, and protrudes outward from one end of the transport section 10a in the axial direction. The connecting protrusion 11 is formed on the outer peripheral surface at a position facing the corner of the continuous portion of the transfer surfaces 10a-1 to 10a-8, and from the edge of the transfer portion 10a. A locking projection 11a protrudes near the tip. The diameter of the connection projection 11 is the same as that of the cavity 1.
Ob is set to be substantially the same as the diameter of Ob, and the height of the locking projection 11a is set so as not to protrude outward from the transport portion 10a.

The connecting projection 11 has a front end surface as a bearing plate portion 11b, and a center position of the bearing plate portion 11b,
That is, a shaft hole 11c for inserting the rotary shaft 21 is formed at a position facing the axis of the transport unit 10a,
A cylindrical fixing rib 11d protruding inward from the outer peripheral edge of the shaft hole 11c is provided to securely hold the inserted rotary shaft 21. The diameter of the shaft hole 11c is set to be slightly smaller than the diameter of the rotating shaft 21. The shaft hole 11c can be inserted by press-fitting the rotating shaft 21 into the shaft hole 11c and has a coefficient of thermal expansion. Each of the roller units 10 can be reliably fixed and held on the rotating shaft 21.

Outside the shaft hole 11c of the bearing plate 11b, a 90 ° circumferential interval is provided from a position facing a corner of a continuous position between the transfer surfaces 10a-1 and 10a-8. An insertion hole 11e is provided. In addition, these insertion holes 11
e, a position facing the corner of the continuous position of the transfer surfaces 10a-1 and 10a-2, and the transfer surface 10
A small-diameter fixing hole 11f is provided at a position facing the corner between a-5 and 10a-6, and a cylindrical rib 11g protruding inward from the outer peripheral edge is provided in the fixing hole 11f. I have.

The connection recess 12 is provided with the connection projection 1.
Locking grooves 12a for tightly fixing the locking protrusions 11a therein are provided at positions facing the one locking protrusion 11a.

The connection projection 11 and the connection recess 12
As a result, as shown in FIG.
A and 10B, the connecting protrusion 11B of the other roller unit 10B is positioned in the connecting recess 12A of the one roller unit 10A, and is inserted into the locking groove 12a of the one roller unit 10A. The locking projections 11a of the roller unit 10B are engaged with each other, as shown in FIG.
As described above, by connecting the individual roller units 10, the roller 9 having the width corresponding to the required length in the roller conveyor 20 is configured. In the connection state, the octagonal transport surfaces of one roller unit 10A and the transport surfaces of the other roller unit 10B are flush with each other.

The mounting plate 22 is formed of a metal such as aluminum, and has a disk shape slightly smaller in diameter than the outer periphery of the roller 9 as shown in FIG. A shaft-shaped hole 22a having substantially the same diameter is formed, and a cylindrical protruding piece 22b slightly protruding outward from the outer peripheral edge of the shaft hole 22a is provided. And,
An insertion hole 22c having a smaller diameter than the insertion hole 11e is provided at a position facing the insertion hole 11e of the roller unit 10.
And a locking hole 11 for the roller unit 10.
A lock hole 22d having substantially the same diameter as the lock hole 11f is formed at a position facing the lock hole f.

After the rotary shaft 21 is inserted into the roller 9, the mounting plate 22 is inserted from both ends of the rotary shaft 21, and is positioned at both ends of the roller 9. It is fixed to the rotating shaft 21 by welding to the shaft 21. By fixing the mounting plate 22, the roller 9 is pressed against both ends and the roller conveyor 2 is pressed.
The roller 9 as 0 is securely fixed, and is in the state shown in FIG.

If the pressing force of the roller 9 is weak and the rotating shaft 21 is rotated via the driving means, the roller 9 slips with respect to the rotating shaft 21 and the roller 9 does not rotate. The screw 30 is passed through the locking hole 22d, and the screw 30 is screwed into the locking hole 11f of the roller unit 10 opposed thereto, thereby securely fixing the roller unit 10 to the welding-fixed mounting plate 22. Thus, the entire roller 9 is set to be fixed.

When the load placed on the roller 9 to be conveyed is heavy and an excessive load is applied to the roller 9 and the roller 9 may be deformed, the shaft 32 having screw grooves 32a formed at both ends is provided. The shaft 32 is arranged in the insertion hole 11e of the roller unit 10 and the insertion hole 22d of the mounting plate 22 and is fixed by tightening nuts 33 from both ends of the mounting plate 22 as shown in FIG. In this state, the load on the roller 9 itself is reduced. The diameter of the shaft 32 is set to be substantially the same as the insertion hole 11e of the roller unit 10, and the diameter of the screw grooves 32a at both ends is made substantially the same as the insertion hole 22c of the mounting plate 22 formed with a smaller diameter. You have set.

As shown in FIG. 4, the bearing 23 has a cylindrical shape. The hollow portion inside the bearing 23 serves as an insertion hole 23a for the rotary shaft 21. The bearing 23 extends along the circumferential direction at a substantially central position in the longitudinal direction. The mounting groove 23b is recessed, and the frame 24 is held and fixed by the mounting groove 23b.
Note that the insertion hole 23a is set slightly larger than the diameter of the rotary shaft 21 to be inserted.
The rotation shaft 21 is rotatably fitted inside so as to be rotatable inside.

The sprocket 25 which engages with the chain 26 and rotates with the movement of the chain 26 has ribs 2 protruding outward from one side outer peripheral edge of a central shaft hole 25a.
5b is integrally formed. The inner diameters of the shaft hole 25a and the rib 25b are set slightly smaller than the diameter of the rotating shaft 21, and are mounted so as not to rotate so as not to slip on the rotating shaft 21 by press-fitting.

In the vicinity of the tip of the rib 25b, a through hole 25c is drilled from one side outward in the diametric direction, and when the sprocket 25 is attached to the rotary shaft 21, the rotary shaft 21 A through-hole 21a is also formed at a position facing the through-hole 25c, and a pin (not shown) is inserted into these through-holes 25c and 21a, whereby the sprocket 25 is securely mounted on the rotary shaft 21 so as not to rotate. ing.

In order to use the roller unit 10 having the above structure for the roller conveyor 20, as shown in FIG. 4, two roller units 10A and 10B are used so as to correspond to the width of the roller conveyor 20, and the respective through holes are formed. 10c to 90
State, that is, one roller unit 10A
The roller 9 is connected by connecting the transfer surface 10a-1 of the other roller unit 10B so as to face the transfer surface 10a-3 of the other roller unit 10B.

In the above connection state, one roller unit 1
0A, the rotary shafts 21 are pressed into the respective shaft holes 11c and inserted. Then, the mounting plates 22 are inserted from both ends of the rotary shaft 21, and the mounting plates 22 are positioned at both ends of the roller 9. Then, the rotating shaft 21 is fixed by welding. As a result, the rollers 9 sandwiched inside the mounting plates 22 are securely pressed and fixed.

Further, bearings 23 are provided from both ends of the rotating shaft 21.
And a sprocket 25 is attached to one end of the rotating shaft 21. As described above, the rollers 9 to which the respective components are attached are arranged in parallel at a required interval on the frame 24, and a chain 26 connected to a driving means such as a motor is arranged on each sprocket 25, and the rollers 9 shown in FIG. A conveyor 20 is formed.

The roller conveyor 20 having the above structure is suitably used for transporting a load such as a bottle containing a liquid or a liquid and a solid therein. Specifically, in the roller conveyor 20, the roller unit 10
6 is formed in a regular octagonal cross section.
As shown in (A) and (B), even in the glass bin 35 having a low coefficient of friction, the conveying surfaces 10a
Corners, which are continuous positions of -1 to 10a-8, come into contact with each other, and are conveyed while fluctuating like a fringe.

Since the bottle 35 is conveyed while being shaken, liquids and solids inside the bottle 35 are also shaken, and the action of stirring these liquids and solids is performed.
These temperature distributions can be made uniform, and glass products such as the above-mentioned bottle 35 having a lower coefficient of friction than the corners of the conveying section can be surely conveyed.

When the roller conveyor 20 is disposed inside the steam chamber 37 as shown in FIG. 7, the temperature distribution in the bin 35 can be made uniform by the hot air generated by the steam device 38 and the temperature can be raised.

The roller unit 10 includes the transport unit 1
Since the through hole 10c is drilled at a required position of 0a,
As shown in FIG. 8, the hot air from the steam device 38 is
It flows in from the through hole 10c on one side of the roller unit 10, and flows out to the through hole 10c on the other side through the cavity 10b. Therefore, the bin 35 conveyed above the roller 9 is
At any position on the roller conveyor 20, the temperature can be efficiently raised by always contacting the warm air.

When the weight of the load placed on the roller 9 and transported is light, the transport surfaces 10a-3 and 10a of the roller unit 10 where the through holes 10c are not provided.
At −4, 10a−7, and 10a−8, through holes having a large and small required shape, for example, a circular through hole may be provided so that the hot air generated by the steam can be more easily circulated.

As shown in FIG. 9, the roller 9 is mounted on the rotating shaft 21 by cutting the vicinity of the connecting projection 11 of the transport section 10a in the circumferential direction to provide a holding member 40. The holding member 40 may be attached to the connection recess 12 of the roller unit 10 and fixed to the rotating shaft 21 as shown in FIG.

As described above, by providing the holding member 40, both ends of the roller 9 can be closed.
Since it is possible to press and fix the rotating shaft 21 in a stable state, it is possible to prevent the individual roller units 10 from being deformed. As shown in the figure, when the roller 9 slips with respect to the rotating shaft 21, the screws 30 are screwed from both ends via the mounting plate 22 fixed to the rotating shaft 21 by welding as described above. Thereby, reliable fixing and holding can be achieved.

The rollers shown in the first embodiment may be connected in the configuration shown in FIGS. FIG.
In the roller unit 10 ′, a thread groove is formed on the outer peripheral surface of the connection protrusion 11 ′ to form a male screw, and the connection recess 12 ′ at the other end is provided with the connection protrusion 11 ′. A female screw to be engaged with the male screw is engraved, and one of the roller units 10
The other roller unit 10 is connected to the connection recess 12 ′ of A ′.
By screwing the connection projection 11 'of B', the individual roller units 10A 'and 10B' are securely connected to form the roller 9 '.

In the roller unit 10 "shown in FIG. 12, the locking projection 11a of the connection projection 11 is connected to the connection projection 11".
And a locking claw 43 is protrudingly provided at a required position on the outer periphery of the distal end of the connecting projection 11 ".
The locking claw 4 is also provided in the opposite connection recess 12 ″ on the other side.
3 is provided.

Further, the roller units 10, 10 ', 10 "shown in the first embodiment may be fixed to the rotating shaft by the structure shown in FIG. 13 or FIG. A screw groove 45a having a required length substantially equal to the diameter of the shaft hole of the roller is formed at both ends of the rotary shaft 4.
5 are inserted into the rollers with washers 46 interposed therebetween, and the screw grooves 45 protruding outward from the rollers.
A roller is fixed to the rotating shaft 45 by screwing a nut 47 to a, and a bearing and a sprocket are mounted outside the nut 47.

In FIG. 14, an L-shaped fixing arm 50 is projected from a required position of the rotary shaft 21. The fixing arm 50 has a thread groove 50 of a required length with a diameter slightly smaller than the fixing hole of the roller at the end.
The rotary shaft 21 is inserted into the shaft hole of the roller while the screw groove 50a is positioned in the fixing hole of the roller. By inserting the rotating shaft 21, the screw groove 50 a at the tip of the fixing arm 50 penetrates the fixing hole of the roller, and the nut 51 is screwed into the penetrating screw groove 50 a. The roller is fixed.

As described above, by using the configuration shown in FIG. 13 or FIG. 14 for the rotary shaft on which the roller is mounted, the mounting plate 22 shown in the first embodiment is not required, and the roller can be securely connected to the rotary shaft. Can be fixed to

FIG. 15 shows a roller 60 of the second embodiment.
The roller 60 is provided with a plate member 61, a bearing member 62, and a joint collar 63, which are transport members, separately from each other.
The entire length of the plate member 61 is connected to a cylindrical shape having a required length by the joint collar 63 serving as the connecting means,
One roller 60 is formed by attaching the bearing members 62 to both ends of the cylindrical member.

The plate member 61 is a rectangular flat plate, and has a plurality of through holes 61a penetrating the entire flat plate.

The bearing member 62 is formed in a disk shape having a required thickness, and is provided with six groove portions 62a for disposing the plate member 63 at predetermined intervals on the outer peripheral surface. The groove 62a is formed from the inner end to the vicinity of the outer end, and when the plate member 63 is attached, the plate member 63
Is set so that the upper end surface of the bearing member and the outer peripheral surface of the bearing member 62 are flush with each other.

The bearing member 62 has a shaft hole 62b for the rotary shaft 21 at the center position and a through hole 62c for inserting the shaft 32, as in the first embodiment. A fixing hole 62d is formed on the same circumference as the insertion hole 62c.
Has been drilled.

The joint collar 63 has a disk shape having the same outer shape as the bearing member 62, and has a thickness approximately twice as large as that of the bearing member 62. The joint collar 63 has a groove 63a on the outer peripheral surface of the bearing member 62 at a position facing the groove 62a in the same manner as the bearing member 62 from both ends toward the vicinity of the center position in the thickness direction. A hole 63b and an insertion hole 63c are formed.

Next, an assembly process of the roller 60 will be described. First, one end of the plate member 61 is disposed in each of the groove portions 62a of the bearing member 62, and a tap pin 65 is driven in from the outside of the plate member 61 to penetrate the plate member 61 so as to penetrate the bearing member 62. Fixed to. Also,
A groove 63a at one end of the joint collar 63 is arranged at the other end of the fixed plate member 61, and is similarly fixed by a tap pin 65.

Next, the plate member 61 is fixed to the groove 63a at the other end of the joint collar 63 in the same manner as described above, and the bearing member 62 is fixed to the other of the plate members 61. Similarly to the above, a cylindrical roller 60 having a polygonal cross section (regular hexagonal shape) is formed.

Thereafter, similarly to the first embodiment, the bearing member 62 and the shaft hole 62b of the joint collar 62 are formed.
The rotating shaft 21 is passed through 63b, and the mounting plate 22 is inserted from both sides of the rotating shaft 21 to be positioned at both ends of the roller 60, and the mounting plate 22 is fixed so that the roller 60 is pressed against the rotating shaft 21. I have. When the pressing force of the roller 60 by the mounting plate 22 is weak, the screw 30 is screwed into the fixing hole, as in the first embodiment, so that the mounting plate 22 and the bearing plate portion 62 of the roller 60 are formed. And make sure they are fixed.

When the roller 60 is used as a transport roller of the roller conveyor 20 as in the first embodiment,
The plate member 61 serves as a transport surface that comes into contact with the load. When the load placed on the rollers 60 is heavy, the shaft 32 is mounted inside to prevent the rollers 60 from being deformed.

Further, in the second embodiment having the above-described configuration, the total length of the roller 60 to be formed can be adjusted to a required length by using a plurality of the collars 63 for joints. Can be made to correspond to the width of the roller conveyor 20 in which the rollers 60 are arranged.
It has similar advantages. Needless to say, the bearing members 62 may be attached to both ends of the plate member 61 without using the joint collar 63.

The transport roller used in the roller conveyor according to the present invention is not limited to the above configuration. For example, it suffices that the outer shape is a polygonal cross section with three or more roller-shaped transfer surfaces being continuous. Further, a configuration in which the inside of the roller is a hollow cylindrical portion and a cylindrical member is formed, and a through hole penetrating into the internal hollow portion is formed in a required conveying surface of the cylindrical portion so that air flows through the inside of the roller. It is preferable that In addition, the connecting means of the individual roller units need only be connected so that they are not easily separated from each other and that the connected roller units are not relatively rotated.

[0058]

As is apparent from the above description, in the transport roller used in the roller conveyor of the present invention, since the outer shape of the roller is formed in a polygonal shape, it is placed above these rollers and transported. Even if the luggage is made of glass, the luggage comes into contact with the corners of the continuous portion of the transport surface, and is securely transported while being shaken. Therefore, when transporting a bottle or the like containing a liquid or a liquid and a solid therein, the liquid or the like is conveyed while being shaken in the bottle, that is, while being agitated inside the bottle. The uniformity can be achieved, and the load on the roller can be transported in a predetermined time.

Further, since a hollow portion is provided inside the polygonal roller to form a cylindrical shape, and a through hole penetrating from the conveying surface to the hollow portion is provided, the conveyor using the roller is used. When placed in a steam room and passed through the above-mentioned bin etc., the air flow by steam also circulates inside the roller itself, and the bottle always hits the hot air by steam,
Therefore, the temperature of the liquid in the bottle can be efficiently increased.

Further, the roller is constituted by a roller unit and a connecting means, and a connection projection is provided at one end of the roller unit, and a connection recess formed to engage with the connection projection is formed at the other end of the roller unit. Or a joint collar for connecting the conveying members in series, so that the overall length of the roller can be adjusted. Therefore, it has various advantages such as being able to be used for any roller conveyor having a different width depending on the size of the load to be conveyed.

[Brief description of the drawings]

FIG. 1 shows a roller conveyor using the roller of the present invention, wherein (A) is a plan view and (B) is a side view.

FIGS. 2A and 2B show the shape of a roller unit constituting the roller of the first embodiment, wherein FIG. 2A is a front view, FIG.
(C) is a rear view, (D) is a plan view, (E) is A of (A).
FIG. 3A is a cross-sectional view of FIG.

FIG. 3 is a perspective view illustrating attachment of a roller to a rotating shaft.

FIG. 4 is a sectional view taken along the line IV-IV of FIG. 1 showing a mounting state of the roller.

FIG. 5 is a sectional view showing a state where a shaft is attached to the roller of FIG. 4;

FIGS. 6A and 6B are schematic diagrams showing a state of transporting a load on a roller conveyor using the roller of the present invention.

FIG. 7 is a schematic diagram showing a state where a roller conveyor is arranged in a steam room.

FIG. 8 is a schematic diagram illustrating the effect of a roller.

FIG. 9 is a perspective view showing a modification of the first embodiment.

FIG. 10 is a cross-sectional view showing a mounting state of FIG. 9;

FIG. 11 is a plan view of a partial cross section showing a modified example of the connecting projection and the recess.

FIG. 12 is a partial cross-sectional plan view showing another modified example of the connecting projection and the recess.

FIG. 13 is a schematic view showing a modified example of attachment of a roller to a rotating shaft.

FIG. 14 is a schematic view showing another modified example of attaching a roller to a rotating shaft.

15A and 15B show a roller of a second embodiment, wherein FIG. 15A is a front view, FIG. 15B is a side view, and FIG. 15C is a sectional view of FIG.

[Explanation of symbols]

 Reference Signs List 9 transport roller 10 roller unit 10a transport unit 10a-1 to 10a-8 transport surface 10b cavity 10c through hole 11 connecting convex part 12 connecting concave part 20 roller conveyor 21 rotating shaft

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B65G 39/00-39/20

Claims (7)

(57) [Claims] 1. A transport roller of a roller conveyor for placing a load on a roller conveyor having a plurality of transport rollers rotationally driven by drive means and transporting the load in a rotation direction of the transport roller. The transporting portion of the transporting roller, which comes into contact with the load, has a polygonal cross-sectional shape having at least three or more continuous transporting surfaces, and has a hollow portion therein, and the hollow portion is provided on the transporting surface. A roller for transporting a roller conveyor, characterized in that a through-hole for air circulation penetrating through the roller is provided. 2. The transfer roller comprises two or more roller units connected in series. The roller unit has a polygonal cylindrical shape with one end being open and the other end being closed. And the outer peripheral portion is provided with the through-hole, and the closed end is provided with a connection projection projecting outward in the length direction, and the connection recess is provided at the opening end to engage with the connection projection. The roller for conveying a roller conveyor according to claim 1, wherein: 3. The roller for conveying a roller conveyor according to claim 1, wherein the conveying section is formed in a regular polygonal cross section. 4. A transport roller of a roller conveyor for placing a load on a roller conveyor constituted by juxtaposing transport rollers rotationally driven by a driving means and transporting the load in the rotation direction of the transport roller. Wherein the transport roller includes a pair of bearing members, and a plurality of flat plate transport members for transporting the package are provided on an outer peripheral portion of the bearing members, and a plurality of through holes are provided in these transport members. A roller for conveying a roller conveyor, characterized in that: 5. The transfer member and the bearing member are formed separately from each other, and a joint collar for connecting the transfer members in series is provided so that the transfer member can be connected to a required entire length. The roller for conveying a roller conveyor according to claim 4. 6. A transport roller of a roller conveyor for placing a load on a roller conveyor having a plurality of transport rollers that are rotationally driven by a driving means and configured to transport the load in a rotation direction of the transport roller. The transporting roller has a polygonal cylindrical shape, and has two or more roller units in which a through hole penetrating an internal cavity is formed in a transporting surface of an outer peripheral portion thereof, and these roller units are arranged in a longitudinal direction. And a connecting means connected in series, wherein the roller unit is connected via the connecting means so that the roller unit can be connected to a required full length. 7. The conveying roller for a roller conveyor according to claim 1, wherein a reinforcing shaft is penetrated inside the conveying roller.