JPH0645404B2 - Seedling box stacking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a stacking device for seedling boxes.

(Prior art) Conventionally, seedling boxes that have been sowed are stacked on a trolley in an extension of the seedling box seeding device, which is provided with a soil supplying device, a watering device, a sowing device, etc. on a conveyor. Stacking devices are known.

(Problems to be solved by the invention) However, the configuration of the known seedling box stacking device is such that a transport conveyor capable of transporting seedling boxes in two rows is provided at the terminal end of the transport conveyor, and 2 rows of seedling boxes at the end,
The trolleys arranged side by side on the transfer conveyor were extruded from one side and stacked, but the method of pushing two rows of seedling boxes at one time from the side is squeaky and cannot be pushed smoothly. , Efficiency does not increase.

However, in the extension part of the transfer conveyor of the seedling box seeding device, a left and right multiple width conveyor conveyor is provided, and a cutout is provided in the center of the left and right by hanging from the middle part to the end of the conveyor. If the right side passage and the left side passage are formed on both sides and the seedling boxes are pushed one by one from the right side passage and the left side passage into the dolly in the notch, the movement of the seedling box will be smooth, so that the efficiency will increase. become.

Therefore, the present invention is particularly devised for the left and right distribution to the right and left passages immediately.

(Means for Solving Problems) The present invention provides an extension part of the transfer conveyor 1 of a seedling box seeding device.
A transport conveyor 16 having a width that is a plurality of times wider than the lateral width of the seedling box 4 in the traveling direction is provided, and a cutout portion 30 is provided at the center of the left and right from the intermediate portion of the conveyor 16 to the end portion 18, and the cutout portion 3
The right side passage 28 and the left side passage 29 are formed on both sides of 0, and the seedling box 4 is pushed from the right side passage 28 and the left side passage 29 into the carriage 31 in the cutout portion 30. Is the seedling box 4 supplied
A push-out rod 22 which can be freely moved in and out with a sorting body 25 for pushing and moving the right side passage 28 and the left side passage 29 respectively.
A plurality of shunting bodies 25 are provided, and the sorting body 25 is attached to a lower portion of a vertical cylinder 81 provided on the tip side of the pushing rod 22 to form a seedling box stacking device that is vertically movable.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. 1 is a motor 6
Although it is a transfer conveyor for sowing that rotates at 0, although not shown, the conveyor 1 is provided with a soil supply device, a watering device, a seeding device, and the like.

A motor 61 is provided at the end of the conveyor 1 via the connecting portion 2.
A take-up conveyor 3 having a fast-forwarding function that rotates with is connected to the take-up conveyor 3, and a lift device 5 is provided behind the take-up conveyor 3.

The lift device 5 is moved upward by angles 7, 7 fixed to a vertically swinging chain 6 provided on the left and right sides of the seedling box 4 fast-forwarded by the transfer conveyor 3. Chain 6
Is wound around an upper rotary shaft 10 and a lower rotary shaft 11, and one end of the upper rotary shaft 10 is connected to a rotary shaft 13 of a motor 9 via a belt 12.

A switch 8 is provided at the end of the transfer conveyor 3. When the front end of the seedling box 4 conveyed by the takeover conveyor 3 of the switch 8 comes into contact with this, the motor 9 is energized.

A sensor 14 that operates when the lifted seedling box 4 collides with an upper position of the lift device 5 and an extrusion device 15 that operates by the sensor 14, and the extrusion device 15 conveys the seedling box 4 on the angles 7 and 7. Extrude on the conveyor 16.

The conveyor 16 has a large number of guide rolls 19. The guide rolls 19 are simultaneously rotated by a motor 51, and the start end side 17
The seedling boxes 4 are conveyed in two rows from the to end portion 18.
The length of the guide roll 19 of the conveyor 16 is at least four lateral widths of the seedling box 4, and a seedling box left / right sorting device 20 is provided on the starting end side 17.

The distribution device 20 includes an underframe 2 that forms the conveyor 16.
1. A push rod 22 provided on one side of the push rod 22 that is long in the left-right direction, a moving distributor 25 provided at the tip of the push rod 22, and a rack surface formed on the upper surface side of the push rod 22 are engaged. The push rod 22 is mounted on the upper surface of the guide roll 19 at a position higher than the seedling box 4 and passing above the seedling box 4.

Reference numeral 26 denotes a switch of the forward / reverse rotation motor 24, which is provided at the front position of the extrusion device 15, and the forward / reverse rotation motor 24 is turned on each time the tip of the seedling box 4 extruded by the extrusion device 15 comes into contact with the switch 26. Then, the forward and reverse rotations are sequentially repeated, and the seedling boxes 4 extruded in the central portion of the conveyor 16 are distributed to the left and right of the conveyor 16.

A U-shaped cutout 30 is provided on the left and right sides of the end portion 18 from the center of the transport conveyor 16 in the moving direction (see FIG. 2), leaving a passage for one seedling box 4. A dolly lift 27 is provided.

The passage is formed into a right passage 28 and a left passage 29. The rear end of the cutout portion 30 is opened to the outside, and a stacking carriage 31 is provided in the cutout portion 30 so as to be able to move in and out.

32 is a frame body of the truck lift 27. The dolly 31 that fits into the dolly lift 27 is formed in such a size that two seedling boxes 4 can be placed side by side in the left-right direction, and is transported to a warehouse for germination and greening. The rotating shafts 33, 33, 3 are provided on the left and right sides of the upper and lower portions of the frame 32 of the carriage lift 27, respectively.
4, 34, and sprockets 35, 36 are fixed to the rotary shafts 33, 33, 34, 34, respectively.
5. Chains 37 and 37 are wound around 5 and the sprocket 36. The chain 37 has the same angle 3 as the lift device 5.
Install 8, 38.

A step motor 39 is provided on the upper portion of the frame 32 on the starting end side.
The rotary shaft 40 of the motor 39 and the rotary shaft 33 on either the left or right side are connected by a chain 41, and the rotary shaft 40 and the rotary shaft 33 on the left or right side are connected via a reverse rotation gear 42. Connect with chain 43.

In order that the dolly 31 can move in and out of the dolly lift 27,
The rail 44 of the caster 82 of the truck 31 is provided. Reference numeral 45 is a switch for stopping the drive motor 51 of the guide roll 19 of the conveyor 16 when the carriage 31 moves downward and the casters 82 reach the rails 44.

In the right side passage 28 and the left side passage 29, the seedling box 4 is pushed onto the carriage 31 from the right side passage 28 and the left side passage 29, the right front pushing body 46, the right rear pushing body 47, the left front pushing body 48, and the left rear pushing body. 49 are attached, and these right front pushing body 46, right rear pushing body 47, left front pushing body 48, and left rear pushing body 49 have two fork-like pushing portions 50 in their action portions, respectively. This is a structure in which the seedling box 4 is placed on the upper surface of the fork-shaped pushing portion 50 and guided onto the carriage 31.

These are associated with the motor 39,
It is counted when four seedling boxes 4 are supplied to the dolly 31,
The motor 39 rotates a certain angle to lower the cart 31 by one seedling box 4 so that the seedling boxes 4 can be stacked one after another.

That is, the right side passage 28 and the left side passage 29 are formed to have a width such that the seedling boxes 4 sorted to the left and right sides by the seedling box left and right sorting device 20 are fed one by one, and are sorted to the right side. The seedling box 4 advances along the right passage 28 side, hits the stopper 69 having the buffer body 75, presses the switch 70 to stop it, and activates the right rear pushing body 47 to push the seedling box 4 into the carriage 31 and then to the left side. The seedling box 4 distributed to the left side of the seedling box 4 advances to the left side passage 29 side and has a stopper 7 having a buffer body 76.
1, the switch 72 is pressed to stop, the left rear pusher 49 is operated by the switch 72 to push the seedling box 4 into the trolley 31, and the right pusher 47 finishes pushing and returns. (Fig. 3) Press the air cylinder 52
Is operated (FIG. 4) to rotate the stopper 54 from the horizontal position to the vertical state via the link mechanism 53, thereby providing the buffer 77 for the movement of the seedling box 4 advancing in the next right passage 28. Stop with the stopper 54. A switch 73 is provided on the stopper 54 in addition to the buffer body 77. When the seedling box 4 presses the switch 73, the motor of the right front pushing body 46 pushes the switch 73.

Next, when the left rear pushing body 49 finishes pushing and returns, the switch 64 is pushed to operate the air cylinder 52 in the same manner, and the stopper 55 is rotated from the horizontal position to the vertical state via the link mechanism 53. Therefore, the stopper 55 having the buffer 78 blocks the movement of the seedling box 4 which advances to the next left side passage 29. The stopper 55 is provided with a switch 74 in addition to the buffer 78. When the seedling box 4 presses the switch 74, the motor of the left front pusher 48 pushes the switch 74 into the carriage 31.

In this way, one seedling box 4 is supplied and one dolly 31 is supplied.
When the four seedling boxes 4 are placed on the dolly 31 for convenience, the motor 39 operates to lower the dolly 31 by one step of the seedling boxes 4 so that the seedling boxes 4 can be stacked one after another. To do.

Referring to FIGS. 4 and 5, 56 is a case of the right front pushing body 46, 57 is a supporting arm fixed to the upper surface of the case 56, extends in the direction of the notch 30, and is perpendicular to the tip thereof. A cylinder 58 is attached, and a stopper 59 having an inverted triangular shape when viewed from the side is provided at the lower end of the cylinder 58.

When the stopper 59 moves downward, the seedling boxes 4 stacked on the dolly 31 are pushed into the dolly by a certain width on the taper surface to perform positioning, and the stopper 59 prevents the carry-back.

In addition, 63 is a switch which is activated when the right front pusher 46 is returned, and 65 is a switch which is activated when the left front pusher 48 is returned,
Reference numeral 66 is a motor of each pusher, 67 is a pinion fixed to the rotation shaft of the motor 66, and 68 is a rack formed on the upper surface of each pusher.

Although not shown, the sorting device 20 may be provided on the left and right sides of the conveyor 16 with a specialized structure that works by pushing. The stoppers 54 and 55 are the switch 7
It can also be operated at 0,72.

FIG. 6 shows a sorting device 20 that sorts the seedling boxes 4 supplied to the transport conveyor 16 by the lift device 5 to the right passage 28 of the transport conveyor 16 and a sorting device 20 that can move the seedling boxes 4 to the left passage 29. This is necessary in the case where a plurality is provided on each of the left and right sides, and in this case, the sorting body 25 provided at the tip of the pushing rod 22 of the sorting apparatus 20 is a specialist for pushing the seedling box 4 and is pulled. There is no such thing. Therefore, the distribution body 25 is configured to be pushed forward and moved upward so as not to contact the seedling box when returning. That is, a vertical cylinder 81 is provided at the tip of the sorting body 25, and a vertically moving sorting body 25 is provided below the cylinder 81.

(Operation) Next, the operation will be described.

When the seedling box 4 is supplied to the transfer conveyor 1 which is rotated by the motor 60, the conveyor 1 feeds the soil, irrigates and seeds, transfers it to the takeover conveyor 3 which is fast-forwarded by the motor 61, and advances to the angles 7 and 7. The switch 8 is pressed at the front end. At this time, since the seedling box 4 has the buffer 79, the collision is softened and there is no soiling.

Then, the motor 9 is turned on and the chain 6 is rotated to bring the seedling box 4 upward by the angles 7 and 7 and press the sensor 14.

When the sensor 14 is pressed, the pushing device 15 operates to push the seedling box 4 onto the central upper surface of the conveyor 16. Then, the tip of the seedling box 4 contacts the buffer 80 and the switch 26 (first
(Figure), the left-right distribution device 20 is operated.

Since a plurality of the distribution devices 20 are provided, initially, the forward / reverse rotation motor 24 of the distribution device 20 that pushes the right passage 28 is energized to rotate normally, and the pinion 23 advances the pushing rod 22 to move the pushing rod 22 forward. The moving distributor 25 fixed to the tip of the
The seedling box 4 is pushed to the right passage 28 and moved by.

The next seedling box 4 is conveyed by the conveyor 16 by the action of the extrusion device 15.
When the switch 26 is pushed at the tip of the seedling box 4 extruded on the center upper surface of the, the forward / reverse rotation motor 24 of another sorting device 20 is forwardly rotated,
The push rod 22 is moved forward by the pinion 23,
The seedling box 4 is pushed into the left side passage 29 and moved by the moving distribution body 25 fixed to the tip of the seedling box 4.

Then, the pushing rod 22 and the sorting body 25 that pushed the seedling box 4 are
The motor 24 is reversely rotated by the next operation of the switch 26 and retracted, but at that time, the vertical cylinder 81 is operated so that the sorting body 25 does not collide with the seedling box 4, and the sorting body 25 is moved upward. To move.

Then, the seedling boxes 4 distributed to the right side passage 28 are guided to the right side passage 28 by the guide roll 19 rotated by the drive motor 51.
And passes through the bottom of the stopper 54 (since the stopper 54 is moving upward), collides with the buffer 75 of the stopper 69 at the end and stops, and the switch 70 provided on the stopper 69 is turned on. Press. Then, the motor 66 of the right rear pusher 47 is energized to rotate the pinion 67 fixed to its shaft, and the rack 6 engaged with the pinion 67 is rotated.
8 is horizontally moved in the direction of the dolly 31 and the seedling box 4 is pushed onto the dolly 31 by the fork-shaped pushing portion 50 at the tip of the rack 68.

When the pushing of the right rear pushing body 47 is completed, air is sent to the cylinder 58 and the stopper 59 having an inverted triangular shape provided at the lower portion of the cylinder 58 moves downward, and the stopper 59 pushes the edge of the seedling box 4. By doing so, the seedling box 4 is moved to a fixed position. In addition, since the seedling box 4 is prevented from returning, the motor 66
When the fork-shaped push-in section 50 is returned by reversing, the seedling boxes 4 remain on the cart 31 and are smoothly stacked.

When the fork-shaped pushing portion 50 returns to its original position, it collides with the switch 62 and presses it, so that the air cylinder 52
, The stopper 54 is moved downward from the horizontal direction via the link mechanism 53, and the next seedling box 4 is prevented from moving forward by the buffer 77 of the stopper 54.

Next, the seedling boxes 4 sorted to the left side are advanced to the left side passage 29 side by the guide roll 19 which is also rotated by the drive motor 51, and similarly the stopper 55 is moving upward, so that it passes under it and ends. The stopper 71 collides with the buffer body 76 and stops, and the switch 72 provided on the stopper 71 is pressed. Then, the motor 66 of the left rear pusher 49 is energized to rotate the pinion 67 fixed to the shaft thereof, and the rack 68 meshing with the pinion 67 is mounted on the carriage 31.
Then, the seedling box 4 is pushed onto the dolly 31 by the fork-shaped pushing portion 50 at the tip of the rack 68.

When the pushing of the left rear pushing body 49 is completed, air is similarly sent to the cylinder 58 and the inverted triangular stopper 59 provided at the lower portion of the cylinder 58 moves downward, and the stopper 59 is pushed.
Pushes the edge of the seedling box 4 to place it at a certain position.
To move. Further, to prevent the seedling box 4 from returning, if the motor 66 is rotated in the reverse direction to return the fork-shaped pushing portion 50,
The seedling boxes 4 remain on the cart 31 and are smoothly stacked.

When the fork-shaped pushing portion 50 returns to its original position, it collides with the switch 64 and presses it, so that the air cylinder 52
, The stopper 55 is moved downward from the horizontal direction via the link mechanism 53, and the next advance of the seedling box 4 is blocked.

Next, the seedling boxes 4 sorted to the right side are stopped midway because the stopper 54 is moving downward when moving to the right side passage 28 side, and the motor 73 of the right front pushing body 46 is energized by the switch 73 attached to the stopper 54. Then, as in the previous case, when the right front pusher 46 pushes it into the carriage 31, and the right front pusher 46 returns to its original position and pushes the switch 63, the stopper 54 is moved upward and returned to the original position.

Next, the seedling boxes 4 distributed to the left side proceed to the left side passage 29 side and are stopped by the stopper 55, and the motor 74 of the left front pushing body 48 is energized by the switch 74 attached to the stopper 55, and the left front pushing body is the same as before. 3 by 48
1), the left front pusher 48 returns to its original position and the switch 65
When is pressed, the stopper 55 is moved upward and returned to the original position.

In this way, the seedling boxes 4 are sequentially placed on the dolly, and when the four seedling boxes 4 are placed on the dolly 31 for convenience, it is counted, and the motor 39 operates so that the dolly 31 corresponds to one stage of the seedling box 4. It is lowered and the seedling boxes 4 are stacked one after another.

Then, when the carriage 31 descends to the take-out position, the switch 4
The motor 51 is stopped by 5 to stop the rotation of the conveyor 19 and the carriage 31 is carried out in the meantime. In this case, since the caster 82 is attached to the carriage 31, the carriage 31 can be smoothly taken out.

(Effect) In the configuration of the known seedling box stacking device, a transport conveyor that can transport the seedling boxes in two rows is provided at the end of the transfer conveyor, and two rows of seedling boxes are provided at the end of the transport conveyor. , The trolleys arranged side by side on the transport conveyor were extruded from one side and stacked, but the method of pushing two rows of seedling boxes at one time from the side cannot be pushed smoothly due to squeak. From
Efficiency does not increase.

However, according to the present invention, the extension of the transfer conveyor 1 of the seedling box seeding device is provided with a conveyer conveyor 16 which is wider than the lateral width of the seedling box 4 in the traveling direction, and the intermediate part to the end part of the conveyor 16 are provided. 18, a notch 30 is provided in the center of the left and right to form a right side passage 28 and a left side passage 29 on both sides of the notch 30, and the right side passage 28 and the left side passage 29 form a seedling 31 on a carriage 31 in the notch 30. In a structure configured to push in the box 4, a push-out pusher having a sorter 25 attached to the conveyor 16 for moving the seedling box 4 supplied to the right side passage 28 and the left side passage 29 respectively. A plurality of rods 22 are provided, and the distributor 25 is the push rod 2.
Since it is a seedling box stacking device which is attached to the lower part of the vertical cylinder 81 provided on the tip side of No. 2 and is movable up and down, the seedling boxes 4 are pushed one by one from both sides. Not efficient. In addition, the left and right distribution is more efficient because a plurality of push-out rods 22 are provided, each of which is provided with a sorting body 25 that pushes and moves the seedling box 4 into the right side passage 28 and the left side passage 29, respectively. Since the sorting body 25 is attached to the lower part of the vertical cylinder 81 provided on the tip side of the pushing rod 22, the sorting body 25 is moved upward so that it can be operated smoothly without colliding with the seedling box. To do.

[Brief description of drawings]

1 is an overall plan view, FIG. 2 is an enlarged plan view of relevant parts, FIG. 3 is an overall side view, FIG. 4 is a sectional view taken along line AA, FIG. 5 is a plan view of FIG. FIG. 6 is a diagram of the second embodiment. Explanation of symbols 1 ... sowing transfer conveyor, 2 ... connecting section, 3 ... transfer conveyor, 4 ... seedling box, 5 ... lift device, 6 ... chain, 7 ... angle, 8 ... switch, 9 ... motor,
10 ... upper rotary shaft, 11 ... lower rotary shaft, 12 ... belt, 13 ... rotary shaft, 14 ... sensor, 15 ... extrusion device, 16 ... transport conveyor, 17 ... starting end side, 18 ...
... Terminal part, 19 ... Guide roll, 20 ... Left / right distribution device, 21 ... Underframe, 22 ... Extrusion rod, 23 ... Pinion, 24 ... Motor, 25 ... Moving distribution body, 26 ... … Switch, 27 …… lift, 28 …… right passage, 29 ……
Left aisle, 30 ... Notch, 31 ... Cart, 32 ... Frame, 33, 33, 34, 34 ... Rotating shaft, 35, 36 ...
… Sprocket, 37 …… Chien, 38 …… Angle,
39 ... Motor, 40 ... Rotating shaft, 41 ... Chain, 4
2 ... Reverse rotation gear, 43a ... Chain, 43 ... Caster, 44 ... Rail, 45 ... Switch, 46 ... Right front pusher, 47 ... Right rear pusher, 48 ... Left front pusher, 4
9 ... Left rear pusher, 50 ... Pushing part, 51 ... Drive motor, 52 ... Air cylinder, 53 ... Link mechanism, 54
...... Stopper, 55 …… Stopper, 56 …… Case, 5
7 ... Support arm, 58 ... Cylinder, 59 ... Stopper, 6
0 ... Transfer conveyor motor, 61 ... Transfer conveyor motor, 62 ... Right rear pusher switch, 63 ... Right front pusher switch, 64 ... Left rear pusher switch, 6
5 ... Switch on left front pusher, 66 ... Motor on each pusher, 67 ... Pinion, 68 ... Rack, 69 ...
Stopper, 70 ... Switch, 71 ... Stopper, 72
... switch, 73 ... switch, 74 ... switch,
75 to 80 ... Buffer, 81 ... Cylinder.

Claims (1)

[Claims] 1. A transfer conveyor 16 having a width which is multiple times wider than the lateral width of the seedling box 4 in the traveling direction is provided in an extension of the transfer conveyor 1 of the seedling box seeding device, and the intermediate portion to the end portion 18 of the conveyor 16 are provided. A notch 30 in the left and right center to form a right passage 28 and a left passage 29 on both sides of the notch 30,
From the right side passage 28 and the left side passage 29 to the notch 30
In the one configured to push the seedling box 4 into the dolly 31 therein, the transport conveyor 16 is provided with a sorting body 25 that pushes and moves the seedling box 4 supplied to the right side passage 28 and the left side passage 29, respectively. The seedling box stacking device is provided with a plurality of attached push-out rods 22 which can be moved in and out, and the sorting body 25 is attached to a lower portion of a vertical cylinder 81 provided on the tip end side of the push-out rod 22 so as to be vertically movable.