JP2547566Y2 - Seedling delivery device in band-shaped seedling production machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling delivery device for a transplanting band-shaped seedling production machine comprising seedlings having relatively hard leaves or stems such as rush.

[0002]

2. Description of the Related Art Conventionally, the details of a seedling delivery device in a band-shaped seedling production machine for rushes and the like are described in Japanese Patent Application No. 2-320217 previously filed by the present applicant. Is related to the improvement.

[0003]

A belt-shaped seedling is one in which seedlings are connected in a belt shape and the connected state is integrally connected and fixed.該連contact fixed, on a conveyor comprising a rotating member arranged a sheet-like seedlings in a strip, in order to perform the transfer line on the conveyance from the upstream side while sandwiching the front and back to the downstream side with respect to seedlings during movement, the delivery gap clamping is not performed by the rotary member is provided it is necessary to perform sequential instantaneously at that position. However, the one disclosed in Japanese Patent Application No. 2-320217 discloses that the connecting tape is extended and stuck on the upper and lower portions of the stem of the connected seedling, and the inner circumference of a rotating ring rotatable around the connected seedling. The thread held by the provided beak is wound around the connecting seedling, and the pressing is provided at the roller end of the rotating body on the upper side and the lower side of the delivery gap and presses the connecting tape from the front and back. The rollers are respectively driven. However, when the connected seedlings are delivered by the rotating body in the delivery gap, when the speeds of the pressing rollers disposed on the upper side and the lower side of the delivery gap are slightly changed, a slight speed deviation may occur. was there.
As a result, the connecting tape loosens between the pressing rollers before and after the delivery gap, causing the seedling to become partially thicker, the beaks caught on the connecting tape, the connecting tape being damaged, and the connecting thread being cut off. There was a problem that fixation could not be performed and good continuous band-shaped seedlings could not be formed.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus for solving the above-mentioned problems, and the technical means is to connect the connecting seedlings arranged in a belt shape from both sides. Forming a moving line that is sandwiched by the rotating body and sent from the upper side to the lower side, and in a delivery gap provided for integrally connecting and fixing the connected seedlings in the moving line, above and below the connected seedlings In order to extend and attach the connecting tape and wind the yarn held by the beak provided on the inner periphery of the rotating ring rotatable around the connecting seedling around the connecting seedling, the upper side and the lower side of the delivery gap A pressing roller for pressing the connecting tape to the roller end of the rotating body is provided on the side of the rotating body. Move the contact roller to the moving line It is characterized in that in conjunction with the dynamic and drivable configuration.

[0005]

The connecting seedlings arranged in a belt form are sent out from the upper rotating body in the transfer gap in the moving line, are connected and fixed by the connecting tape and the thread, are received by the lower rotating body, and are sequentially conveyed by the lower rotating body. Sent in the direction of movement of the side. Of the pressing rollers of the connecting tape provided at the roller end of the rotating body, the pressing roller on the upper side of the movement is idled as the connecting tape moves, and only the lower pressing roller on the lower side is forcibly driven. Since the tape is fed in a state where it is constantly pulled by the lower pressing roller, the connecting tape is vertically sent between the upper pressing roller and the lower pressing roller of the delivery gap, and there is no risk of loosening. Since there is no lateral displacement of the connecting tape and the seedling, the beak is not caught on the connecting tape, there is no breakage of the connecting tape or the thread breaks, and a reliable connecting and fixing operation can be performed.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. The basic structure is the same as that of Japanese Patent Application No. 2-320217, and the description is omitted. I do. As shown in FIG. 1, the belt-shaped seedling production machine 11 wraps a long and endless resin receiving belt 12 having irregularities (not shown) on its surface around rollers 13 a and 14.
A short pressing belt 18 having front and rear ends wound around rollers 13b and 17 at its front end in parallel with the receiving belt 12.
Is supported. Reference numeral 15 denotes a shaft of the roller 17. Each of the rollers 13a, 13b, and 14 has a diameter as small as possible in order to make the moving line 25 on the machine compact, but the introduction roller 17 of the press belt 18 is smaller than the feed roller 13b of the press belt 18. As shown in FIG. As a result, receiving belt 1
2 and the seedling pool at the seedling introduction port of the presser belt 18 and disturbance of the seedlings are prevented, and the feeding of the seedlings is improved, so that the seedlings can be fed smoothly. Between the receiving belt 12 and the presser belt 18, the rear end of the sheet-like seedling is aligned with the front end of another seedling on the seedling placing section (seedling arrangement section) 12 a on the upper side in the conveying direction of the receiving belt 12. A gap is formed to push forward the strip-shaped articulated seedlings 1a successively joined by overlapping or contacting them.

The rollers 13a and 13b are drive rollers, respectively, and their respective roller shafts 19a and 19b
A pressing roller 2 formed of a sponge rubber or the like having elasticity on its peripheral surface and wound with a soft rubber rubber at a root end portion of the roller.
Reference numerals 3a and 23b are rotatably supported on respective shafts. Further, on the lower side of the rollers 13a, 13b, the rollers 13a, 13b
rollers 22a to discharge while sandwiching the seedling fed from b to the next stroke, 22b is, the roller shaft 21a, is rotatably supported through upper and lower fixed gap by 21b. Roller 22
A and 22b have a spur gear-shaped unevenness formed on the peripheral surface, and are driven in a direction in which the seedlings are sent out to the lower side.
On the lower side of the pressing rollers 23a and 23b, pressing rollers 24a and 24b wound with rubber or resin having a higher elasticity than the pressing rollers 23a and 23b are attached to the roller shafts 21a and 21b. Moving line 2
5 in conjunction with the operation. The receiving belt 12, the holding belt 18, and the rollers 22a, 2
2b forms a moving line 25 for feeding seedlings.

Guide rollers 27, 27 and tape rollers 28a, 28b are disposed vertically above and below the pressing rollers 23a, 23b, respectively, and are supported by the tape rollers 28a, 28b. Has a certain strength,
A connecting tape 29 made of paper or cloth whose fibers and the like are broken by immersion in water for a long time or made of resin or other material decomposed by microorganisms in the soil
a and 29b are wound and stocked. The belt-like connecting seedlings 1a sent by the receiving belt 12 and the pressing belt 18 are arranged on the upper and lower pressing rollers 23a, 2a.
When passing sandwiched between 3b, the connecting tape 29
a and 29b are pressed by the elasticity of the rubber rubber of the pressing rollers 23a and 23b, and the adhesive surface side thereof is a belt-shaped connecting seedling 1a.
And is sequentially pushed out or adhered to each of the front and back surfaces of the rhizome portion. The roots of the rush seedlings protrude from one end of the connecting tapes 29a and 29b, and the sprout and leaf germinating near the base end of the rush seedlings protrude from the other end. , 29b adhered to the base end thereof are connected to the next pressing rollers 24a, 24b.
, And are sequentially fed in a lower direction while increasing the adhesive force.

The outer diameter D2 of the rollers 22a and 22b is compared with the outer diameter D1 around which the receiving belt 12 and the holding belt 18 are wound.
Is set to D1 <D2, the peripheral speed of the transport lower rollers 22a, 22b is increased according to the difference between the outer diameters of the two, and the foliage of the articulated seedling 1a is fed quickly without clogging. The pressing rollers 23a and 23b are, as described above,
A rubber rubber having a soft elasticity is wound around the peripheral surface, and each of the rubber shafts is rotatably supported by roller shafts 19a and 19b.
The outer diameter D3 and the outer diameter D4 of the pressing rollers 24a and 24b made of hard or elastic rubber or resin are configured so as to satisfy D3> D4. However, the pressing rollers 23a and 23b are formed of the pressing rollers 24a and 24b. 24b, the connecting tape 29a,
The connecting tapes 29a and 29b which are pulled out and pushed out by the pressing rollers 24a and 24b while being compressed while the rubber rubber on the peripheral surface is compressed through the connecting tapes 29a and 29b are pressed, and the connecting tapes 29a and 29b are attached to the band-shaped connecting seedling 1a. Glue.
With this configuration, the rollers 22a and 22a are not allowed to feed the receiving belt 12 and the pressing belt 18 side.
By making the 2b side faster, the connecting tape 29
Since the a and 29b are pulled by the pressing rollers 24a and 24b, it is possible to prevent the band-shaped connected seedlings 1a and the connecting tapes 29a and 29b from being loosened in the delivery gap 30, lateral displacement of the seedlings, and clogging of the seedlings. Then, the tape portion to be described later can be more accurately fixed by the beak 44 and the thread 31.

[0010] The moving line 25 of the band-shaped connecting seedling 1a.
Pressing rollers 23a, 23b and pressing rollers 24a, 2
4b between the upper and lower sides (delivery gap 3
0), a rotating ring 32 having a center at the connecting seedling 1a portion where the connecting tapes 29a and 29b are extended and attached.
Are supported at right angles to the moving line 25 and rotatably. That is, the rolling wheel 33b on the moving line 25 side is
Is input to and rotated by a double sprocket 39b rotatably fitted to the shaft 38 of the double sprocket 39b and another rolling wheel 33c.
A chain 41 is wound around c, and the rolling wheels 33b and 33c are both in rolling contact with the rotating ring 32 to drive it.
The upper rolling wheel 33a is pivotally supported at the tip of a swing arm 42 whose base end is pivotally supported on the body frame 61 side, and the swing arm 42 is a spring (shown in FIG. ), The constantly rotating ring 32 is rotated by the rolling wheels 33b, 33c.
It acts to press against.

A base end of a beak 44, which is bent and formed in a beak shape so that the tip forms a mountain shape in the rotation direction, is fixed to the bracket 51 fixed to the inner periphery of the rotating ring 32. Reference numeral 44 projects from the inside of the rotary ring 32. A thread reel 52 is rotatably supported below the bracket 51, and the thread 31 wound around the thread reel 52 is mounted on the bracket 51.
And through a guide tube 47 integral with the beak 44,
It is fed out from the tip of the beak 44, and between the pressing rollers 23a and 23b and the pressing roller 2 as the rotating ring 32 rotates.
The connecting seedling 1 is extended to the delivery gap 30 between 4a and 24b.
a, the connecting seedlings 1a and the connecting tapes 29a, 29b are sequentially wound spirally around the connecting tapes 29a, 29b attached to
and b (integrally fixed) to form a band-shaped seedling 1
b, and the band-shaped seedlings 1b are sequentially sent to the lower side. 53 is a thread reel 52 provided in the bracket 51
It is pivotally supported on the bracket 51 in a reel-shaped yarn brake to provide a more yarn 31 fed out to the beak 44 tip side feeding and sandwiching resistance. At this time, the beak 44 rotates downward from above the leaves of the connected seedling 1a.
a, the thread 31 passes through the stem portion of the connecting seedling 1a without being hindered by the stem portion of the connecting seedling 1a.
It is wound only on the portion 9b, and its strength is adjusted by adjusting the feeding resistance of the thread brake 53.

In the embodiment of the present invention constructed as described above, the connecting seedlings 1a arranged in a belt shape are
In the delivery gap 30 in FIG.
2. The yarn 31 fed from the presser belt 18 and fed out from the front end of the beak 44 is integrally connected and bound (connected and fixed), received by the other pressing rollers 24a and 24b, and sequentially sent in the moving direction. . The connecting tape 2 provided at the ends of the roller shafts 19a, 19b of the receiving belt 12, the holding belt 18, and the roller shafts 21a, 21b.
9a, 29b pressing rollers 23a, 23b and 24a,
Of the 24b, the upper contact rollers 23a, 23b on the moving upper side are freely rotatable, and the lower contact rollers 24a, 24b are driven, so that the connecting tapes 29a, 29b are connected to the lower contact rollers 24a, 24b. The connection tape 2 is pulled between the pressing rollers 23a, 23b and 24a, 24b on the upper and lower sides of the transfer gap 30 by being pulled by
9a and 29b are sent up and down in synchronism, there is no slack, and there is no lateral displacement of the connecting tapes 29a and 29b and the connecting seedling 1a.
The band-shaped seedlings 1b are formed by performing a reliable connection-fixing operation without being caught on the b., and the connecting tapes 29a, 29b are not broken or the thread 31 is cut, and the band-shaped seedlings 1b are sequentially sent in the lower direction.

In the embodiment of the present invention, Japanese Patent Application No.
Roller shaft 21 on the lower side according to the configuration of No.-320217
Although a and 21b have been described as having a pair of upper and lower rollers 22a and 22b, the configuration may be changed as follows. In other words, the rollers 22a, 2
2b is removed and the upper part is made up of only the roller shaft 21b, while the lower roller shaft 21a is integrally attached with a roller 22c wound with rubber or resin that receives the tip of the seedling from below and sends it out to the lower side. And the pressing roller 2
3a, 23b and 24a, 24b, as described above, the upper pressing roller 23a, 23b is free to rotate freely,
The lower pressing rollers 24 a and 24 b are configured to be driven in conjunction with the operation of the moving line 25. In this way, the upper and lower gaps between the roller shafts 21a and 21b are greatly opened, and the foliage of the belt-shaped seedling 1b connected and fixed is more efficiently conveyed in the lower direction without clogging.

[0014]

[Effects of the Invention] As described above, the present invention forms a moving line in which the connecting seedlings arranged in a belt shape are sandwiched between the front and back surfaces by the rotating body and sent from the upper side to the lower side. In the transfer gap provided for integrally connecting and fixing the connected seedlings, a connecting tape is extended and stuck above and below the connected seedlings, and provided on the inner periphery of a rotating ring that is rotatable around the connected seedlings. yarn order to wind the connecting seedlings held in the obtained beak which were provided with pressed against roller presses against the connecting tape roller end of the rotating body upstream side and the downstream side of the transfer gap In the above, since the upper pressing roller of the upper side of the seedling movement of the pressing roller is configured to be freely rotatable, and the lower pressing roller is configured to be driven in conjunction with the operation of the moving line, the connecting tape is lower. With the pushing roller on the side Since the connection tape is not slackened before and after the delivery gap, and the connection tape and the connection seedling do not shift laterally, beaks may be caught on the connection tape and breakage of the connection tape or breakage of the thread. And reliable connection and fixing work can be performed.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a seedling delivery device in a band-shaped seedling production machine.

FIG. 2 is a schematic side view showing an arrangement of a pressing roller in a delivery gap.

FIG. 3 is a plan sectional view showing a partial section of a delivery gap.

FIG. 4 is a side cross-sectional view showing a partial cross section of another example of the delivery gap.

[Explanation of symbols]

1a articulated seedlings 11 strip seedling production machine 12 rotating body (receiving belt) 13a roller 13b roller 18 rotating body (holding belt) 23a upstream side press-contact roller 23b upstream side press-contact roller 24a downstream side press-contact roller 24b downstream side pressed against the roller 25 Moving line 30 Delivery gap 31 Thread 32 Rotating ring 44 Beak

Claims (1)

(57) [Scope of request for utility model registration] 1. A moving line is formed in which the connecting seedlings arranged in a band are sandwiched by rotating bodies from both front and back sides to feed from the upper side to the lower side, and the connecting seedlings are integrally connected and fixed in the moving line. In the delivery gap provided for carrying out, the connecting tape is extended and stuck on the upper and lower sides of the connecting seedling, and the yarn held by the beak provided on the inner periphery of the rotating ring that is rotatable around the connecting seedling is removed. To wrap around the articulated seedling,
A pressing roller for pressing the connecting tape on the roller end of the rotating body is disposed on the upper side and the lower side of the delivery gap, and the upper pressing roller of the seedling movement of the pressing roller is freely rotatable. Wherein the lower pressing roller is configured to be driven in conjunction with the movement of the moving line, the seedling delivery device in the band-shaped seedling production machine.