JPH10250815A - Conveying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To carry more articles and to ensure the pitch of a conveying terminal end part serving as a takeoff position for conveyed articles. SOLUTION: The conveying device is made of a sheet capable of bending in zigzag, and provided with a conveying belt 2 in which plural article receiving parts 2a for receiving articles A to be conveyed, are produced when the sheet is bent, stoppers 12, 13 which engage with the bending parts 21 to maintain the bent state of the conveying belt 2, and an endless belt 32. The conveying device is adapted to be able to carry a large quantity of articles A to be conveyed in state where the conveying belt 2 is bent in zigzag, and to ensure the pitch of a conveying terminal end part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used as a transport unit of a sorting device for sorting crops such as cucumber and carrot, or a transplanter for transplanting seedlings of crops such as green onions, onions, sugar cane, and rush. The present invention relates to a transporting device used for a seedling transporting unit or the like.

[0002]

2. Description of the Related Art In a sorting apparatus, when a crop such as cucumber is transported to a sorting position, an endless transport belt is generally used, and the harvest is placed on the transport belt at regular intervals, and is placed at a measuring point. It is configured to be conveyed and conveyed to a sorting unit via a measuring unit for measuring a grade such as size and shape. Further, in a transplanter, when transferring seedlings such as green onions to a seedling removal position, as described in Japanese Utility Model Application Laid-Open No. 60-19317, a plurality of seedling clipping tools are placed at a constant pitch on an endless transfer chain. There is a known configuration in which a seedling is sequentially transferred to a seedling removal position by circulating the transfer chain.

[0003]

However, the transporting section in the above-mentioned sorting apparatus is characterized in that the crops are arranged at a constant pitch over the entire length from the position where the crops are placed on the transporting section to the sorting section. Therefore, if the amount of crops placed on the conveyor belt at a constant pitch is increased, the overall length of the conveyor belt becomes longer, the conveying unit becomes larger, and there is a problem that a large installation space is required. . In addition, in the transfer section of the transplanter described above, since a plurality of seedling clippings are provided at a constant pitch on the endless transfer chain, if the amount of seedlings placed at a constant pitch on the transfer chain is increased, the transfer chain There has been a problem that the total length is long, the transport unit is large, and a large installation space is required.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and uses a transport band that can be bent in a zigzag shape in which an object receiving portion for receiving an object to be transported such as a harvest or a seedling is formed. It is an object of the present invention to increase the amount of an object to be conveyed placed on a conveyance band, and to secure a pitch of a conveyance end portion which is a position where the object to be conveyed is taken out.

[0005]

A transport device according to the present invention comprises a sheet member that can be bent in a zigzag shape.
It is characterized by comprising a transport band in which a plurality of object receiving portions for receiving an object to be transported when the sheet member is bent, and holding means for engaging and holding the bent state of the transport band with the bent portion. It is assumed that. According to the present invention, since the transporting band can be bent in a state where the transported object is stored in the object receiving section, the amount of the transported object placed on the transporting band can be increased, and The overall length of the conveyor belt when objects are loaded can be shortened, and the entire device can be made smaller.
Can be installed in narrow places. Furthermore, since the holding means engages with the bent portion of the transport band and holds the bent state of the transport band, the transport belt in the bent state can be sequentially extended simply by releasing the engagement with the bent portion. Therefore, it is possible to secure the pitch of the transport end portion.

[0006] The present invention is characterized in that the sheet member is provided with a bendable transport band in which a plurality of object receiving portions for receiving an object to be transported are formed on one surface of the sheet member, and extending means for extending the transport band. . According to the present invention, the transporting band can be extended by the extension means, so that the transported object accommodated in the object receiving section can be easily transported to the transport end portion at a constant pitch.

Further, a plurality of object receiving portions for receiving an object to be conveyed on one surface of the sheet member, a bendable conveying band having a plurality of concave portions formed on the other surface thereof, and intruding engagement with the object receiving portion of the conveying band. A first rotary feeder having a feed dog for extending the transport band, and a second rotary feeder having a feed dog for penetrating and engaging the recess to extend the transport band. The body is adapted to alternately extend the transport band. In the present invention,
By the rotation of the first and second rotary feeders, the feed dog of the first rotary feeder enters and engages with the object receiving portion of the transport band, and
The feed dog of the rotary feeder penetrates and engages with the concave portion of the transport band,
Since the transporting belt in the bent state can be forcibly extended alternately from the object receiving portion side and the concave portion side, it is possible to feed the object receiving portion at a constant pitch without double feeding.

Further, a plurality of object receiving portions for receiving an object to be conveyed on one surface of the sheet member, a bendable conveying band having a plurality of concave portions on the other surface, and an object receiving portion and a concave portion of the conveying band. A feeder that has a feed dog that penetrates and engages at least one of the feeder belts, and a rotary feeder that sequentially extends the transporting belt; one side of the transporting belt in a bent state and the rotary feeder is received by the object receiving portion; It is characterized in that guide means are provided for guiding the movement of the transferred object following the transfer of the transfer band by the rotary feeder. In the present invention,
When forcibly extending the bent portion of the transport band by the rotation of the rotary feeder, the transported object accommodated in the object receiving portion of the bent portion can be moved and guided to the transport end portion by the guide means, The conveyed object can be effectively sent to the conveyance end portion following the feed of the object receiving portion.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings showing the embodiments. FIG. 1 is a longitudinal sectional front view of only a main part of the transfer device according to the present invention, FIG. 2 is a side view with a part omitted, FIG. 3 is a perspective view of only the main part, FIG. FIG. 6 is a longitudinal sectional view of the transporting belt in a bent state. The transport device includes a transport band 2 supported on a frame 1 in a zigzag manner, a bending unit 3 for bending the transport band 2, and a holding unit 4 for holding the bent state of the transport band 2.
And an extension means B for extending the transport belt 2 in the bent state at a substantially constant pitch, and an intermittent drive mechanism 7 for operating the extension means B intermittently.

The transporting band 2 is made of a long sheet made of synthetic resin which can be bent in a zigzag manner from the bent portions 21... One surface thereof receives the transported object A when bent from the extended state. The plurality of object receiving portions 2a are configured such that a plurality of concave portions 2b are formed on the other surface. Although the transport belt 2 shown in FIG. 1 is formed endless, it may be endless.

As shown in FIGS. 3 and 6, the bent portions 21 are formed to have a substantially semicircular cross section over the entire width, and the bent portions 21 are formed hard by coating or the like. Shape, and make the sheet portion between each bent portion 21 ... flexible,
The whole can be extended.

The transporting band 2 shown in FIGS. 1 and 6 has bent portions 21 having a substantially semicircular cross section.
As shown in FIG. 7, the bent portions 21 are formed to have a substantially concave cross section over the entire width, and the bent portions 21 are formed hard by coating or the like in the same manner as described above, and are retained. The sheet portion between the bent portions 21 may be made flexible so that the whole can be extended. Further, although not shown, a thin hinge is formed to bend the thin hinge. The portion may be bent in a zigzag shape.

The frame 1 is provided with a pair of side plates 1a and 1b opposed to each other at a predetermined distance from each other, and the transport band 2 is bent between the side plates 1a and 1b as shown in FIGS. A band support portion 11 having a predetermined length which is supported laterally in a state, and a concave passage 1 which receives one end portion of a transferred object A which projects outward from one end in the width direction of the conveyance band 2.
c. The band support portion 11 is disposed so that at least the feed end portion is located between the rotation axes of the first and second rotary feeders 5 and 6 constituting the elongating means B. And an upper wall 11b facing the support wall 11a. A lower end stopper 12 for receiving the lower end portion of the bent conveyance band 2 by contacting the bent end portion 21a on the object receiving portion 2a side with the feed end of the band support portion 11, and a bent portion on the concave portion 2b side. An upper stopper 13 is provided for receiving the upper end portion of the transport belt 2 bent by contact with the transport belt 2. In addition, the side plate 1
Shaft holes 14 and 14a for rotatably inserting and supporting a first rotating shaft 50 and shaft holes 15 and 15a for rotatably inserting and supporting a second rotating shaft 60 are provided in a and 1b, respectively. The belt supporting portion 11 is arranged in a horizontal direction as shown in FIG. 1, and is also arranged so as to be inclined downward from the feeding start end toward the feeding end, and the transported object A is accommodated in the object receiving portion 2a. You may make it bend by own weight in a state.

The bending means 3 for bending the transport belt 2 is shown in FIG.
A pair of rotating wheels 3 facing each other at a predetermined interval as shown in FIG.
1, 31 and an endless belt 32 circulating between the rotating wheels 31, 31 and circulating.
The bent part 21a of the object receiving part 2a in the transport belt 2
, And the transport belt 2 is transferred toward the stoppers 12 and 13 by the circulating movement of the endless belt 32,
.., 21b... Can be bent to the extent that they contact each other. One of the rotating wheels 31, 31 is linked to a driving source.

Holding means 4 for holding the bent state of the transporting band 2
As shown in FIG. 1, a lower stopper 12 engaging with the bent portions 21a, an upper stopper 13 engaging with the bent portions 21b, and the endless belt contacting the bent portions 21a. 32.

The extending means B shown in FIGS. 1 to 5 includes first and second rotary feeders 5 and 6, and the first rotary feeder 5 includes:
The boss portion 51 radially protrudes from the boss portion 51 at substantially the same angle, and the object receiving portion 2 at the bent portion of the transport band 2
, and six first feed teeth 52... which sequentially intrude into and engage with the boss portion 61 and project radially from the boss portion 61 at substantially the same angle. 6 to sequentially engage with the concave portion 2b of the bent portion in FIG.
Are provided with the second feed dogs 62,.
The first and second rotating shafts 6 are engaged with each other so that the first feed dog 52 and the second feed dog 62... The frame 1 is rotatably supported between the side plates 1a and 1b of the frame 1 via 50 and 60.

The first and second feed dogs 52, 62
Are formed to have substantially the same length, and each of them is gradually thinned toward the tip. Each of the feed dogs 52, 62, 62,... Of each rotary feed body 5, 6 is configured such that the tip end side thereof is gradually thinner than the bosses 51, 61 as shown in FIG. Each feed dog 52, 62,
Although not shown, the tip side may be made thicker than the boss portions 51 and 61, and although not shown, it may be made into a plate shape having substantially the same thickness. And
Further, as shown in FIG. 2, in addition to the configuration in which the rotary feeders 5 and 6 are continuous in the longitudinal direction, a plurality of rotary feeders 5 and 6 may be arranged at predetermined intervals in the longitudinal direction. As shown in FIG. 1, each of the rotary feeders 5 and 6 has a configuration in which six feed teeth 52,..., 62 are provided in the circumferential direction, and less than six or six in the circumferential direction. It is good also as composition provided with more than the number of feed dogs.

FIGS. 2 and 3 show one end of the first rotating shaft 50.
, A guide disk 8 having the same outer diameter as the outer diameter of the first rotary feeder 5 is provided, and one end of the second rotary shaft 60 is provided with the second feed dog 62. A first object receiver 9 having six corresponding object receiving teeth 9a and a second object receiver 10 having six object receiving teeth 10a corresponding to the second feed dogs 62 are also provided. One end portion of the transported object A protruding outward from one end in the width direction of the transporting band 2 can be received. Note that the first object receiver 9 may be formed integrally with the second rotary feeder 6.

The guide disc 8 has a peripheral speed of the outer peripheral portion which is substantially the same as a peripheral speed of the outer peripheral portion of the first rotary feeder 5 and is substantially the same as the outer diameter of the first rotary feeder 5. The one end portion of the transferred object A, which is formed so as to protrude outward in the object receiving portion 2a drawn out from the feed end of the band support portion 11, is connected to the guide disk 8 , So that one end of the transported object A can be transported without delay by the contact resistance.

As shown in FIG. 2, a first sprocket 40 is provided at the other end of the second rotating shaft 60, and a second sprocket 41 is provided at the other end of the first rotating shaft 5, respectively. , The third sprocket 42 is rotatably supported, and between the first sprocket 40 and the third sprocket 42,
An endless chain 43 meshing with the second sprocket 41 is hung, and the first rotary feeder 5 and the second rotary feeder 6 are rotated in opposite directions by the circulating movement of the endless chain 43.

As shown in FIGS. 2, 3 and 11, one end of the object receiving portion 2a protrudes outward on one side of the band support portion 11 and each of the rotary feeders 5 and 6. The one end portion of the transferred object A received by the
A guide means 80 is provided for guiding the movement following the feeding of the transport band 2 by the control unit 6.

The guide means 80 includes a long first guide strip 81 provided from one side of the band support section 11 to a position near the object pick-up position C of the second rotary feeder 6, and a band support section 81. And a short second guide strip 82 disposed below the first guide strip 81, and a take-out end of the transported object A accommodated in the article receiving section 2a. The displacement of the one end portion serving as the portion from the bent portion 21 of the object receiving portion 2a is reduced.

The intermittent drive mechanism 7 is, as shown in FIG. 5, supported by the frame 1 and provided with a drive shaft G of a drive case K having a drive shaft G rotated by power from a drive source such as an engine or an electric motor. Transmission arm 7 attached to G
1, a ratchet gear 72 provided at the other end of the second rotating shaft 60, a driven arm 73 supported by the second rotating shaft 60 so as to be relatively rotatable, and a transmission pivotally supported by the driven arm 73. A driving shaft G including a claw body 74 and an interlocking rod 75 interlockingly connecting the driven arm 73 and the transmission arm 71;
When the transmission arm 71 makes one rotation, the driven arm 73 swings by a certain angle, and when the driven arm 73 moves forward, the power of the driving source is transmitted from the transmission claw 74 to the ratchet gear 72. , The second rotating shaft 60 is angularly rotated, and when the driven arm 73 returns, the transmission pawl 7
4 slides with respect to the ratchet gear 72 to prevent the power of the drive source from being transmitted to the ratchet gear 72.

That is, each time the pivot O of the interlocking rod 75 to the transmission arm 71 exceeds the straight line L passing through the pivot O1 of the interlocking rod 75 to the driven arm 73 and the rotation center O2 of the transmission arm 71, The power from the driving source is transmitted and cut off. In FIG.
Is transmitted clockwise from the transmission claw 74 to the ratchet gear 72, and when the pivot center O exceeds the straight line L in FIG.
The transmission of power from the gear to the ratchet gear 72 is cut off.

Next, the operation of the above-configured transfer device will be described. The transport belt 2 formed endlessly is supported by the belt support 11 of the frame 1, and the belt portion exposed to the outside from the feed end of the belt support 11 is formed by the first and second rotary feeders 5 and 6. Each feed dog 52, 62 is engaged.

Then, the worker places the transported object A on the object receiving portion 2a of the transporting band 2 which is exposed to the outside from the feeding start end of the belt supporting portion 11 and has a bent state. The endless belt 32 is driven so as to protrude, and the endless belt 32 is driven, and the portion where the conveyed object A is accommodated is sequentially sent into the band support portion 11 by the endless belt 32 circulating, and the endless belt 32 is moved. Make the bending state dense. In this case, since the lower stopper 12 and the upper stopper 13 are provided at the feed end of the band support portion 11, the bent portion 21 a on the object receiving portion 2 a side of the transport band 2 sent into the band support portion 11 is the lower stopper. 1
2 and the concave portion-side bent portion 21b is
The endless belt 32
Of the transporting band 2 by the circular movement of the object receiving portion 2a.
Can be bent so as to be dense in a state in which the transported object A is accommodated, and this dense bent state can be maintained. Further, one end of the transported object A accommodated in the object receiving portion 2 a passes through the concave passage 1 c of the frame 1.

Next, when the first and second rotary feeders 5 and 6 are rotated by the drive shaft G via the intermittent drive mechanism 7, the transport belt supported by the belt support 11 in a tightly bent state. 2 can be sequentially pulled out and intermittently fed. For example, as shown in FIG. 8, when pulling out the object receiving portion side bent portion 21a so as to extend the object receiving portion 2a, the second feed dog 62 of the second rotary feeder 6 is drawn out two pitches earlier. As the rotating feeders 5 and 6 rotate, the leading end of the second feed dog 62 contacts the sheet portion of the recessed portion-side bent portion 21b as shown in FIG. The object receiving portion-side bent portion 21a is drawn out so as to come into contact with it and be scooped up. Further, the first and second rotary feeders 5,
With the rotation of 6, the distal end of the first feed dog 52 comes into contact with the sheet portion of the object receiving portion side bent portion 21a as shown in FIG. 10, and the concave portion side bent portion 21b is pulled out. Further, as the first and second rotary feeders 5 and 6 rotate, the intermittent drive mechanism 7 moves when the object receiving section 2a which has been intermittently advanced to the object take-out position C as shown in FIG. , The power transmission to the first and second rotary feeders 5, 6 is interrupted,
The transported object A by the first and second rotary feeders 5 and 6
Is stopped. When this feed is stopped,
One end portion of the transferred object A protruding outward from the object receiving portion 2a is grasped by, for example, an object take-out means, and the transfer band 2 is held.
The conveyed object A is taken out from the object receiving section 2a. In this way, the transported object A at the object removal position C can be taken out in a state where the feed is stopped, so that the taking out can be performed accurately. Further, each time the first and second rotary feeders 5 and 6 make angular rotations, the transferred object A can be sent to the object pick-up position C, so that the transferred object A can be picked up at a constant timing.

The transport device configured as described above is mounted on a transplanter, for example, as shown in FIGS. The transplanter shown in FIGS. 14 and 15 includes a driver's seat 90 and a control section 91, and has an engine 95 and a transmission 96 mounted on a machine 94 supported by front wheels 92 and rear wheels 93. A rotatable grooved disk 97 is disposed in the portion, and a pair of left and right grounding wheels 98, 98 which rotate by contact resistance with the field, between the grooved disk 97 and the rear wheel 93, and the grounding wheel 98, a planting disk 99 (the above-described object take-out means) which rotates in conjunction with the object 98 and can lightly clamp one end of the object to be conveyed,
The transfer device is disposed at a position corresponding to the seeding disk 99, and the transported object A sent to the take-out position C in FIG. Are planted at regular intervals in the groove made by
It is trying to crush.

In the above embodiment, the first rotary feeder 5 having the first feed teeth 52 that engages with the object receiving portion 2a of the transport band 2 and the first rotary feeder 5 that engages with the concave portion 2b. Although the transport belt 2 in the bent state is configured to be sequentially extended by using the extension means B having the second rotary feeder 6 having the two feed teeth 62,... One of the two rotation feeders 6 may be eliminated, and the transport belt 2 in the bent state may be configured to be sequentially extended using only the other, and the configuration of the extending means is not particularly limited.

In the above embodiment, the intermittent drive mechanism 7 is provided so that the first and second rotary feeders 5 and 6 are intermittently rotated, and the transport belt 2 is intermittently fed. ,
In addition, for example, when the rotation speed of the drive shaft G is controlled and the transported belt 2 in the bent state is pulled out from the belt support portion 11, fast-forwarding is performed, and when the transported object A is transported to the object pick-up position C, delayed transporting is performed. Alternatively, instead of the ratchet gear 72 and the transmission pawl 74, a rotating body having a cam groove and a transmission mechanism provided with an engagement projection that engages with the cam groove may be provided. The transport belt 2 in the state is transferred to the belt support 11
When the object A is conveyed to the object take-out position C, it may be fast-forwarded, and when the object A is conveyed to the object take-out position C, it may be configured to perform delayed feed.

Further, the endless belt 32 is used as the bending means 3 for bending the transport belt 2, but in addition, every time the transport belt 2 is accommodated in the object receiving portion 2a of the transport belt 2, the operator moves the transport belt 2 to the stoppers 12,13. You may make it bend by pressing to the side. In this case, the transport belt 2
That is, a holding means composed of a swingable locking piece for holding the bent state of is provided. In addition, when the transport belt 2 has an end,
The belt support 11 can be detachably attached to the frame 1, and the transported object 2 can be exchanged together with the band support 11 by forming a cassette in a state where the transported object A is received and bent in the band support 11. It may be.

In the embodiment shown in FIGS. 2 and 3,
As a guide means 80 for guiding one end of the transferred object A, a long first guide strip 81 and a short second guide strip 82 are provided, but as shown in FIG. The first and second guide strips 81, 82 may be combined into one guide strip 83,
Also, as shown in FIG. 17, a sprocket 84 is rotatably arranged on one side of the band support portion 11 of the frame 1,
A chain guide 85 is arranged from the portion of the sprocket 84 to a position near the material take-out position C of the second rotary feeder 6, and an endless chain 86 is hung on the sprocket 84 and the chain guide 85, and the endless chain 86 is provided. The one end portion of the transferred object A is moved to the object take-out position C
You may be comprised so that it may guide to. In this case, the first
A sprocket 87 is provided at one end of the rotating shaft 50, and a sprocket 8 which rotates integrally with the sprocket 84 is provided.
An endless chain 89 is provided between the sprockets 87 and 88, and the endless chain 86 is circulated using the power of the drive shaft G.

[0033]

According to the transport device of the present invention, the transport belt can be bent in a state where the transport objects are accommodated in the plurality of object receiving portions, so that the amount of the transport objects placed on the transport belt can be increased. In addition, the total length of the transport band when the transported object is loaded can be shortened, the entire apparatus can be reduced in size, and the apparatus can be installed in a narrow place. Furthermore, since the holding means engages with the bent portion of the transport band and holds the bent state of the transport band, the transport belt in the bent state can be sequentially extended simply by releasing the engagement with the bent portion. Therefore, it is possible to secure the pitch of the transport end portion.

Further, since the extension means for extending the transport band is provided, the transport belt in the bent state can be forcibly extended, and the transported object accommodated in the object receiving portion is moved to the transport end portion at a constant pitch. Can be easily transported.

Also, the first rotary member having a feed dog which intrudes and engages with the object receiving portion of the transport band and the second rotary member having the feed dog which engages with the concave portion of the transport band are used for transport. Since the band can be forcibly extended alternately from the object receiving portion side and the concave portion side, it is possible to feed the object receiving portion at a constant pitch without double feeding.

Further, when the transport belt in the bent state is forcibly extended by the rotation of the rotary feeder, the transported object accommodated in the object receiving portion of the transport belt is guided by the guide means to the transport terminal end. Therefore, the conveyed object can be effectively sent to the conveyance end portion following the feed of the object receiving portion.

[Brief description of the drawings]

FIG. 1 is a vertical sectional front view of only a main part of a transfer device according to the present invention.

FIG. 2 is a side view in which a part of the transfer device according to the present invention is omitted.

FIG. 3 is a perspective view of only a main part of the transfer device according to the present invention.

FIG. 4 is a perspective view of a frame in which a part of the transfer device according to the present invention is omitted.

FIG. 5 is a rear view in which a part of the transfer device according to the present invention is omitted.

FIG. 6 is a vertical cross-sectional view of the conveyance device according to the present invention in a bent state of a conveyance band.

FIG. 7 is a longitudinal sectional view showing a bent state of another example of the transport band in the transport device according to the present invention.

FIG. 8 is an explanatory diagram showing a state in which the transport band in the transport device according to the present invention is extended by the extension means.

FIG. 9 is an explanatory diagram showing a process of extending a transport band in the transport device according to the present invention by the stretching means.

FIG. 10 is an explanatory view showing a process of extending a transport band in a transport device according to the present invention by an extension unit.

FIG. 11 is an explanatory diagram showing a process of extending a transport band in a transport device according to the present invention by an extension unit.

FIG. 12 is an explanatory diagram of a state in which the rotary feeder is intermittently driven in the transport device according to the present invention.

FIG. 13 is an explanatory diagram of a state in which the rotary feeder is intermittently driven in the transport device according to the present invention.

FIG. 14 is a side view showing an example of a state in which the transfer device according to the present invention is incorporated in a transplanter.

FIG. 15 is a partially omitted plan view showing an example of a state in which the transfer device according to the present invention is incorporated in a transplanter.

FIG. 16 is an explanatory view showing another embodiment of the guide means in the transport device according to the present invention.

FIG. 17 is an explanatory view showing another embodiment of the guide means in the transport device according to the present invention.

[Explanation of symbols]

 2 Conveyance band 2a Object receiving part 2b Recessed part 21 Bent part 4 Holding means 5 First rotary feeder 6 Second rotary feeder 80 Guide means B Extending means A Conveyed object

Claims (4)

[Claims] 1. A transport belt comprising a sheet member which can be bent in a zigzag shape, and a plurality of object receiving portions for receiving an object to be transported when the sheet member bends, and a bent state of the transport band is defined by the bent portion. And a holding means for engaging and holding the transfer device. 2. A transport device comprising: a bendable transport band in which a plurality of object receiving portions for receiving an object to be transported are formed on one surface of a sheet member; and elongating means for extending the transport band. 3. A plurality of object receiving portions for receiving an object to be conveyed on one surface of the sheet member, a bendable conveying band having a plurality of concave portions formed on the other surface thereof, and intruding engagement with the object receiving portion of the conveying band. A first rotary feeder having a feed dog for extending the transport band, and a second rotary feeder having a feed dog for penetrating and engaging the recess to extend the transport band. A transport device, wherein a body extends the transport band alternately. 4. A plurality of object receiving portions for receiving an object to be conveyed on one surface of a sheet member, a bendable conveying band having a plurality of concave portions formed on the other surface, and an object receiving portion and a concave portion of the conveying band. A feeder that has a feed dog that penetrates and engages at least one of the feeder belts, and a rotary feeder that sequentially extends the transporting belt; one side of the transporting belt in a bent state and the rotary feeder is received by the object receiving portion; A transport device comprising guide means for guiding the transported object by following the feed of the transport band by the rotary feeder.