JP3071480B2 - Seedling box stacking device for seedling box seeding device - 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 box stacking device for a seedling box seeding device.

[0002]

2. Description of the Related Art Conventionally, at the end of a transfer table of a seedling box seedling apparatus, a stacking device which receives a seedling box transferred by the transfer table at a receiving bar at a predetermined position and lowers and stacks the receiving bar. A fast-forward roll is mounted between the transfer table and the receiving rail, and the stacking device is turned ON when the receiving rail is at a fixed position and OFF when the receiving rail is at an unfixed position. A device provided with a position detection switch is known.

[0003]

The known ones have a problem in feeding by a rapid traverse roll and in stopping the feeding to the receiving rail. The feeding by the rapid traverse roll cannot be sent completely because of the insufficient friction coefficient. Also, if the receiving tray moves down while the feeding to the receiving tray by the fast forward roll is incomplete, the nursery box falls over.

[0004]

According to the present invention, the seedling raising box 5 transferred by the transfer table 1 is received at the terminal end of the transfer table 1 of the seedling raising seeding apparatus by the receiving bar 34 stopped at a fixed position. When the seedling box 5 is transferred to the receiving tray 34, the stacking device 22 is provided for descending and stacking when the seedling raising box 5 is transferred, and a fast-forward belt table 32 around which a fast-forward belt 33 is wound is provided between the transfer table 1 and the receiving tray 34. In the provided one, the receiving device 3
A fixed position detection switch S1 which is turned ON when the position 4 is in the fixed position and turned OFF when the position is not fixed is provided with a stop switch S2 which is turned OFF when the seedling box 5 is passed and the ON is not passed when the seedling box 5 is passed. The fixed position detection switch S
1 and the stop switch S2: a. When the home position detection switch S1 detects the home position and is ON, the fast-forward belt 33 rotates regardless of the ON / OFF state of the stop switch S2, b. When the fixed position detection switch S1 is OFF at the non-fixed position detection and OFF, the stop switch S2 is ON to stop the fast-forward belt 33, and OFF to rotate the fast-forward belt 33. It is a device.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings.
Reference numeral 1 denotes a transfer table, which is horizontally mounted on a floor 2 by supporting legs 3 and 3. The transfer table 1 is publicly known, is formed to be long in the transfer direction of the seedling raising box 7, and is provided with transfer rollers 4, 4 at predetermined intervals. Since the transfer roll 4 is a means for transferring the seedling box 5, a transfer belt may be used instead of the transfer roll 4. Reference numeral 6 denotes a supply side of the seedling raising box 5, and 7 denotes a take-out side of the seedling raising box. When the seedling raising box 5 is supplied and placed on the supply side 6, it is directed toward the take-out side 7 by the transfer roll 4 rotating by a motor. Send sideways.

[0006] On the transfer table 1, a floor soil supply device 8, a seeding device 9, a covering soil supply device 10, and the like are provided in this order. 11 is a hopper of the floor soil supply device 8, 12 is the feeding belt, 13 is floor soil, and between the floor soil supply device 8 and the seeding device 9,
Floor soil leveling brush 14 for leveling the floor soil 13 in the nursery box 5
Install.

Reference numeral 15 denotes a seed hopper of the seeding device 9, 16 denotes a feeding roll, 17 denotes a seed, and a motor for driving the transfer roll 4 and the like between the seeding device 9 and the cover feeding device 10. A heater 18 is provided. 19 is a hopper of the earth covering supply device 10, 20 is the feeding belt, and 21 is earth covering.

On the floor 2 at the extension of the take-out side 7, a stacking device 22 for the seedling raising box 5 is provided. The stacking device 22 is provided with four right pillars 23, 23 and left pillars 24, 24 on the front, rear, left and right,
An upper rotation shaft 25 and a lower rotation shaft 26 are fixed to the upper and lower sides of the right column 23 and the left column 24 on the near side, respectively, and the right column 23 on the other side is fixed.
And upper and lower rotating shafts 25 and 26 above and below the left column 24, respectively.
To each.

Upper and lower sprockets 27, 27 are provided on the left and right sides of the upper and lower rotating shafts 25 on the front and rear sides, respectively.
Lower sprockets 28 and 28 are fixed to 6 respectively, and chains 29 and 29 are wound around left and right upper sprockets 27 and 27 and lower sprockets 28 and 28, respectively.

A motor 30 for rotating the chain 29 is provided at a lower position. The motor 30 is always energized, and a one-turn clutch 31 is provided between the chain 29 and the motor 30. Right pillar 2 on the near side and the other side
Fast-forward belt table 3 protruding in the direction of transfer table 1 from 3 and 23
2 is provided, and a fast-forward belt 33 is attached to the fast-forward belt table 32. The fast-forward belt 33 is connected to the motor 30.
To rotate.

That is, a pair of driving pulleys 41 is provided on the shaft 36 of the guide roll 35 on the left and right sides, and a shaft 42 corresponding to the shaft 36 is provided on the starting end side of the fast-forward belt table 32.
Is provided with a passive pulley 44 in addition to the guide roll 43,
A fast-forward belt 33 is wound between the driving pulley 41 and the passive pulley 44. Reference numeral 45 denotes a guide plate for guiding the nursery box 5. The shaft 42 is always moved in the belt tension direction by a spring 46. 47 is a scraper.

The left and right chains 29, 29 are provided with receiving bars 34 which are moved by a fast-forward belt 33. Since the left and right chains 29, 29 are mounted via the one-rotation clutch 31, the receiving beam 34 is stopped at a position where it can be transferred from the fast-forward belt 33. Stopped at a slightly lower position. This is to ensure that the nursery box 5 can be sent to the receiving bar 34 by the fast-forward belt 33.

A guide roller at the end of the rapid traverse belt 33 is provided.
A feed pawl 37 is provided on a shaft 36 of the screw 35. Reference numeral 38 denotes a U-shaped bracket, and two pins 39 are attached to the U-shaped bracket 38 so as to protrude with a spring 40 across the shaft 36. Then, even in the seedling box 5 having a different bottom shape, the pin 39 is attached to the bottom surface.
At the end, and finally push the buttocks of the seedling raising box 5 with the pins 39 to send it out to the receiving bar 34.

The link mechanism 48 will be described.
Reference numeral 49 denotes an abutting portion which abuts when the seedling raising box 5 rides on the receiving bar 34. The abutting portion 49 is affixed to the rear end of the stacking device 22 by a shaft 50. Then, the other end of the horizontal link 51 is axially fixed to the L-shaped link 52. At the other end of the L-shaped link 52, the upper end of a vertical link 53 is axially fixed, and at the other end of the vertical link 53, the distal end of an arm 54 is axially fixed. A
The arm 54 is fixed to a rotating shaft 55, and an operating rod 56 is fixed to the rotating shaft 55.

The distal end of the operating rod 56 becomes a bent portion 57, and the bent portion 57 faces a pin 59 of a shaft 58 of the one-turn clutch 31. Reference numeral 60 denotes a shaft 58 which is always a pawl 6 of a gear 61.
2 is a spring to be elastically attached. The shaft 58 is provided with a claw 63 that engages with the claw 62. The stacking device 22 is provided with a fixed position detection switch S1 that detects when the receiving bar 34 is at a fixed position and turns off when the receiving bar 34 is at an unfixed position. The fast-forward belt table 32 is provided with a stop switch S2 which is pushed by the seedling raising box when the seedling raising box 5 passes and is turned off when the seedling raising box is not passed. The home position detection switch S1 and the stop switch S2 are a. When the home position detection switch S1 detects the home position and is ON, the fast-forward belt 33 rotates regardless of the ON / OFF state of the stop switch S2, b. When the fixed position detection switch S1 is OFF in the non-fixed position detection, the connection is related so that the fast switch 33 stops when the stop switch S2 is ON and the fast belt 33 rotates when the stop switch S2 is OFF.

[0016]

Next, the operation will be described. When the motor 30 is energized,
The fast-forward belt 33 continues to rotate via the power transmission mechanism,
Further, the receiving beam 34 rotates via the power transmission mechanism and stops at the fixed position, and the fixed position detection switch S1 detects the fixed position of the receiving beam 34 and is turned ON.

In this state, when the seedling raising box 5 is placed on the transfer roll 4 of the transfer table 1 and transferred by the transfer table 1, when the seedling box 5 passes below the floor soil supply device 8, the floor seeds 13 are supplied. ,
When passing below the seeding device 9, the seed rice 17 is sown, and when passing below the soil covering supply device 10, the covering 21 is supplied to reach the terminal end 7. In the end part 7, the fast-forward belt table 32
Transfer to the fast-forward belt 33. The fast-forward belt 33
When the fixed position detection switch S1 is OFF in the non-fixed position detection, the motor 3 is independent of the ON / OFF of the stop switch S2.
It rotates faster than 0 and is fast-forwarded from the transfer roll 4 and moves onto the receiving rail 34 of the stacking device 22.

When the nursery box 5 is completely moved, the nursery box 5 abuts against the abutting portion 49, and the horizontal link 51, the L-shaped link 52, and the vertical link 5
3. The rotating shaft 55 is rotated via the arm 54. When the rotation shaft 55 rotates, the operating rod 56 rotates, and the bending portion 57
The pin 58 is disengaged from the pin 59, and the shaft 58 is moved in the direction of the gear 61 by the spring 60, and the claw 63 of the shaft 58 and the claw 62 of the gear 61 are moved.
Is engaged, and the motor 30 rotates the single-rotation clutch 31 one rotation. Then, the pin 59 also makes one rotation, comes into contact with the bent portion 57, moves the shaft 58 against the elasticity of the spring 60, disengages the claws 62 and 63, and stops the receiving bar 34 at the fixed position. .

When the receiving beam 34 does not stop at the fixed position but stops at the non-fixed position, the fixed position detection switch S1 detects the non-fixed position and turns off. At this time, when the seedling box 5 that has been transferred to the fast-forward belt 33 of the fast-forward belt table 32 from the end portion 7 is transferred and the stop switch S2 is turned on, the fast-forward belt 33 stops and the seedling box 5 is not sent.

[0020]

According to the present invention, there is provided a transfer table 1 for a seeding apparatus for a nursery box.
At the end of the stacking device 22, the seedling raising box 5 transferred by the transfer table 1 is received by the receiving bar 34 stopped at a fixed position, and when the seedling raising box 5 is transferred to the receiving bar 34, it is lowered and stacked. And a fast-forward belt table 32 around which a fast-forward belt 33 is wound is provided between the transfer table 1 and the receiving beam 34. When the receiving beam 34 is at a fixed position in the stacking device 22, A fixed position detection switch S1 that is OFF when the ON position is not fixed is provided. A stop switch S2 that is OFF when the seedling box 5 is not passed and the ON is not passed when the fast forward belt base 32 is provided. And the stop switch S2: a. When the home position detection switch S1 detects the home position and is ON, the fast-forward belt 33 rotates regardless of the ON / OFF state of the stop switch S2, b. When the fixed position detection switch S1 is OFF at the non-fixed position detection and OFF, the stop switch S2 is ON to stop the fast-forward belt 33, and OFF to rotate the fast-forward belt 33. When the position of the receiving bar 34 is not fixed,
The fast-forward belt 33 stops to prevent the seedling raising box 5 from tipping over.

[Brief description of the drawings]

FIG. 1 is an overall vertical side view.

FIG. 2 is an enlarged view of a main part.

FIG. 3 is an enlarged view of a feed ratchet wheel portion.

FIG. 4 is a side view of a feed ratchet;

FIG. 5 is a rotation transmission mechanism diagram.

FIG. 6 is a plan view of a fast-forward belt table.

FIG. 7 is a side view of a rapid feed belt stand.

FIG. 8 is a side view of the link mechanism.

FIG. 9 is a front view of an abutment portion.

FIG. 10 is a plan view of a one-rotation clutch.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Transfer stand, 2 ... Floor, 3 ... Transfer stand support, 4 ... Transfer roll, 5 ... Nurse raising box, 6 ... Supply side, 7 ... Extraction side, 8 ... Floor soil supply device, 9 ... Seeding device, 10 ... Covering soil supply device, 11 hopper, 12 roll-out roll, 13 floor soil, 14 floor flattening brush, 15 hopper, 16 roll-out roll, 17 seed, 18 motor 19: Hopper, 20: Feeding belt, 21: Covering soil, 22: Stacking device, 23: Right column, 24 ...
Left column, 25: Upper rotating shaft, 26: Lower rotating shaft, 27: Upper sprocket, 28: Lower sprocket, 29: Chain, 30: Motor, 31: One-turn clutch, 32: Fast-forward belt stand, 33: Fast-forward Belt, 34 ... Pier, 35 ...
Guide roll, 36 ... shaft, 37 ... pawl carriage, 38 ... co-shaped bracket, 39 ... pin, 40 ... motor, 41 ... drive side pulley,
42 ... shaft, 43 ... guide roll, 44 ... passive pulley, 45
... guide plate, 46 ... spring, 47 ... scraper, 48 ... link mechanism, 49 ... abutting part, 50 ... shaft, 51 ... horizontal link, 5
2 L link, 53 vertical link, 54 arm, 55
... Rotating shaft, 56 ... Working rod, 57 ... Bending part, 58 ... Shaft, 5
9 ... pin, 60 ... spring, 61 ... gear, 62 ... claw, 63 ...
Claw, S1: fixed position detection switch, S2: stop switch.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-114926 (JP, A) JP-A 62-98623 (JP, U) JP-A 62-91917 (JP, U) (58) Investigation Field (Int.Cl. ⁷ , DB name) A01G 9/00 A01C 7/08 320

Claims (1)

(57) [Claims] 1. A seedling raising box 5 transferred by the transfer stand 1 is received by a receiving stand 34 which is stopped at a fixed position at an end of the transfer stand 1 of the seedling raising seeding apparatus. Is provided with a stacking device 22 that descends and stacks when the vehicle moves, and a fast-forward belt table 32 around which a fast-forward belt 33 is wound is provided between the transfer table 1 and the receiving rail 34. The device 22 has an O when the receiver 34 is in a fixed position.
Fixed position detection switch S which is OFF when N is not fixed
1, a stop switch S2 which is turned on when the seedling box 5 is passed and turned off when the seedling box 5 is not passed, and is provided with the fixed position detection switch S1 and the stop switch S.
2 is: a. When the home position detection switch S1 detects the home position and is ON, the fast-forward belt 33 rotates regardless of the ON / OFF state of the stop switch S2, b. When the fixed position detection switch S1 is OFF at the non-fixed position detection and OFF, the stop switch S2 is ON to stop the fast-forward belt 33, and OFF to rotate the fast-forward belt 33. apparatus.