JPH055732B2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a seedling box stacking device.

(Prior art) Conventionally, a seedling box is connected to the end of a seedling box seeding device that is equipped with a soil supply device, a device, a seeding device, etc. on a conveyor, and the seedling boxes that have been covered with seeding soil are stacked on a cart. Box stacking devices are known.

(Problems to be Solved by the Invention) The structure of the known seedling box stacking device is that a conveyor capable of conveying seedling boxes in two rows is provided at the end of the conveyor, and Since the seedling boxes arranged in two rows on the side are pushed out from one side and stacked on carts arranged side by side on the side of the conveyor, efficiency cannot be improved.

(Means for Solving the Problem) Therefore, the present invention provides a transport conveyor 16 for seedling boxes 5.
A notch 27 with an open rear surface formed on the terminal end side 18 of the
and a caster 4 that can freely move in and out of the notch 27.
a pushing body that pushes and supplies the seedling box 5 on the conveyor 16 from both left and right sides to the cart 31 in the notch 27; A step motor 3 that can raise the seedling box up to
This is a seedling box stacking device consisting of 9 seedling boxes.

(Example) An example of the present invention will be described with reference to the drawings. Reference numeral 1 indicates a sowing conveyor, and although not shown,
A soil supply device, irrigation device, seeding device, etc. are provided on the conveyor 1.

A takeover conveyor 3 equipped with a rapid forwarding function is connected to the terminal end of the conveyor 1 via a connecting part 2,
A relay device 4 is provided at the terminal end of the transfer conveyor 2.

The lift device 4 engages and moves the seedling box 5, which has been rapidly forwarded forward by the transfer conveyor 3, upwardly by means of angles 7, 7 attached to vertically rotating belts 6, 6 provided on the left and right sides thereof. The belt 6 is wound between an upper rotating shaft 8 and a lower rotating shaft 9.
One end is connected to a rotating shaft 12 of a motor 11 via a belt 10.

A switch 13 is provided at the terminal end of the transfer conveyor 3, and the seedling boxes 5 transported by the transfer conveyor 3 are
When the front end of the switch 13 comes into contact with the switch 13, the motor 11 is energized, and the belt 6 is rotated via the rotating shaft 12, the belt 10, and the upper rotating shaft 8, and the angle 7 is rotated.
The seedling box 5 engaged above is raised.

The reason why the seedling boxes 5 on the transfer conveyor 3 are lifted by the lift device 4 is that the transfer conveyor 7 is at the same height as the transfer conveyor 1 of the seedling box sowing device, and is higher than the later-described cart 13 on which the seedling boxes 5 are stacked. This is because it is low.

A sensor 14 actuated by the lifted seedling box 5 and a pushing device 15 actuated by the sensor 14 are installed at the upper position of the lift device 4,
The extrusion device 15 pushes out the seedling box 5 to the center of the starting end side 17 of a conveyor 16 connected to the lift device 4.

The conveyor 16 runs from a starting end 17 to a terminal end 18.
The seedling boxes 5 are conveyed in two rows on the left and right in the direction (the direction of the start and end is the direction in which the transfer conveyor 1 is extended), and a large number of long guide rolls 19 are provided on the left and right at a predetermined interval.

The horizontal width of the conveyor 16 is at least as wide as the seedling box 5.
The seedling box has a width equivalent to four horizontal widths, and a seedling box left/right sorting device 20 is provided on the starting end side 17. The sorting device 20 is
It has a rack 22 long in the left-right direction provided on one side of an underframe 21 forming the conveyor 16, a movable sorting body 23 provided at the tip of the rack 22, and a pinion 24 that engages with the rack 22. The rack 22 is provided at a higher position than the seedling box 5 and is mounted so as to straddle the seedling box 5.

Reference numeral 26 denotes a switch for the motor 25, which is provided at a front position in front of the extrusion device 15, so that the tip of the seedling box 5 pushed out by the extrusion device 15 is connected to the switch 2.
6, the motor 25 is turned on and rotates in forward and reverse directions, and the seedling boxes 5 pushed out to the center of the conveyor 16 are transferred to the conveyor 16 by the movable sorting body 23.
Distribute it to the left and right sides.

The terminal end side 18 of the conveyor 16 has a notch 2 in the center, leaving a passage for one seedling box 5 on both left and right sides.
7 is provided, and the notch 27 is provided with a stacking device 28. The passages are formed as a right pushing part passage 29 and a left pushing part passage 30, respectively.

The rear end of the notch 27 is opened outward (FIG. 3), and the stacking cart 31 is provided in the notch 27 so that it can freely move in and out from the rear.

32 is a frame of the stacking device 28. Said trolley 3
1 is of a size that allows two seedling boxes 5 to be placed on the left and right sides and two seedling boxes 5 on the front and back sides, and germination and greening are carried out on the trolley 31.

A pair of rotating shafts 33, 33 are mounted on the left and right sides of the upper part of the frame 32, and a pair of rotating shafts 34, 34 are also mounted on the left and right sides of the lower part.
Sprockets 35 and 36 are fixed to 34, respectively.
Chains 37 and 37 are wound around the sprockets 35 and 36, and an angle 38 is attached to the chain 37 in the same way as the lift device 4.

A sweep motor 39 is provided at the upper part of the starting end side of the frame 32, and the rotation shaft 4 of the step motor 39
0 and the left rotation shaft 33 are connected by a chain 41, and the rotation shaft 40 and the left rotation shaft 33 are connected by a chain 43 via a reversing gear 42.

The trolley 31 enters and exits the notch 27 from the rear,
At that time, the cart 31 is made to move in and out of the frame 32 of the stacking device 28, and a plurality of pulleys 44 are attached to the lower part of the cart 31, and the cart 31 is made to move in and out from the floor surface of the notch 27. A rail 45 is provided.

A switch 46 is connected to the step motor 39 and is turned on when the cart 31 comes into contact with the switch 46 when the cart 31 enters the warehouse. A right front pusher 47, a right rear pusher 48, a left front pusher 49, and a left rear pusher 50 for pushing the seedling box 5 onto the cart 31 are attached to the right pusher passage 29 and the left pusher passage 30. Each of these pushing bodies 47, 48, 49, and 50 has two forks 51 in its action portion, and has a structure in which the seedling box 5 is placed on the upper surface of the fork 51 and guided onto the cart 31.

These are connected to the step motor 39 in relation to each other, and when four seedling boxes 5 are supplied to the cart 31, the step motor 39 rotates by a certain angle to lower the cart 31 and move the seedling boxes 5 one after another. Make it stackable.

That is, the right pushing section passage 29 and the left pushing section passage 3
The width of the passage 0 is such that the seedling boxes 5 distributed to the left and right sides by the seedling box left-right sorting device 20 are sent vertically one by one, and the preceding seedling boxes 5 distributed to the right side are sent vertically one by one. After proceeding along the pushing section passage 29 side, the preceding seedling box 5 is pushed into the cart 31 by the right rear pushing body 48 and then distributed to the left side, advances to the left pushing section passage 30 side, and is pushed onto the carriage 31 by the left rear pushing body 50. The succeeding seedling boxes 5 that have been pushed in and then distributed to the right side proceed to the right pushing section passage 29 side and are moved to the cart 3 by the right front pushing body 47.
The succeeding seedling boxes 5 pushed into the left pushing section 1 and then distributed to the left side advance to the left pushing section passage 30 side and reach the left front pushing body 49.
In this manner, each pushing body 47, 48, 49, 50 acts, and one seedling box 5 is supplied to each of the seedling boxes 5. When a total of four seedling boxes 5 are placed on the cart. , the reverse drive circuit 52 of the step motor 39 acts via the ungate 54 to lower the cart 31 by one stage of the seedling boxes 5, and similarly acts so that the seedling boxes 5 can be stacked one after another. . 53 is a normal rotation drive circuit for the step motor 39.

(effect) Next, we will discuss the effect.

When seedling boxes 5 are supplied to the transfer conveyor 1, soil is supplied, watered, and seeded by the conveyor 1, and then transferred to the takeover conveyor 3. 6 is rotated to carry the seedling box 5 placed on the angles 7, 7 upward and press the sensor 14. When the sensor 14 turns on, the motor 11 stops, and the extrusion device 15 acts to extrude the seedling box 5 to the upper center of the conveyor 16. Then, the tip of the seedling box 5 comes into contact with the switch 26, and the left/right sorting device 20 is activated.

The motor 25 of the sorting device 20 rotates forward, for example, to move the rack 22 forward by the pinion 24, and moves the movable sorting body 23 fixed to the tip of the rack 22 to the right, so that the seedling boxes 5 are transferred to the conveyor. 16
Move to the right side. Next, the next seedling box 5 is pushed out to the top center of the conveyor 16 by the pushing device 15, and when the switch 26 is turned on, the motor 25 of the sorting device 20 is reversed and the pinion 24 moves the rack 22 backward. Since the movable sorting body 23 fixed to the tip of the rack 22 is moved to the left, the next seedling box 5 moves to the left side of the conveyor 16, and is thus sorted to the left and right sides.

The seedling boxes 5 distributed on the right side are located in the right push section passage 29.
As described above, the seedling boxes 5 are pushed onto the cart 31 by the right rear pusher 48, and then distributed to the left side.
0 into the trolley 31. Next, the seedling boxes 5 distributed to the right side proceed to the right pushing section passage 29 side and are pushed into the trolley 31 by the right front pushing body 47, and then the seedling boxes 5 distributed to the left side proceed to the left pushing section passage 30.
It advances to the side and is pushed into the trolley 31 by the left front pushing body 49, and in this way, each pushing body 47, 48, 49, 5
0 is activated and a total of four seedling boxes 5 are placed on the trolley 31, the AND gate 54 outputs an output to actuate the reverse drive circuit 52 of the step motor 39, and the trolley 31 is moved one stage of the seedling boxes 5. , and the seedling boxes 5 are stacked one after another.

As the work progresses and the last seedling box 5 is placed on the cart 31, the cart 31 descends to a position where the pulley 44 joins the rail 45 as shown in FIG. Take it out from the stacking device 28,
Replace and push in the next empty cart 31. Then, the trolley 31 presses the switch 46 and the step motor 39 is rotated in the normal direction by the forward rotation drive circuit 53, and the trolley 31 is rotated in the normal direction by the forward rotation drive circuit 53.
1 to the highest level, and the next seedling box 5 is placed thereon.

(Effects) Conventionally, seedling boxes are connected to the end of a seedling box seeding device that is equipped with a soil supply device, irrigation device, seeding device, etc. on a conveyor, and the seedling boxes that have been covered with soil are stacked on a trolley. Box stacking devices are known. The structure of the known seedling box stacking device is that a conveyor is provided at the end of the transfer conveyor to transport the seedling boxes in two rows, and the seedling boxes are arranged in two rows at the end of the conveyor. Since the structure is such that the materials are pushed out from one side and stacked on carts arranged side by side on the lateral side of the conveyor, efficiency cannot be improved.

However, in the present invention, the conveyor 1 for the seedling boxes 5
A notch 27 with an open rear surface formed on the terminal end side 18 of 6
and a caster 4 that can freely move in and out of the notch 27.
a pushing body that pushes and supplies the seedling box 5 on the conveyor 16 from both left and right sides to the cart 31 in the notch 27; A step motor 3 that can raise the seedling box up to
Since the device is a seedling box stacking device consisting of 9, a notch 27 with an open rear surface formed on the terminal end side 18 of the conveyor 16 of the seedling box 5;
A trolley 31 with casters 44 that can move in and out of the
Since the trolley 31 has the following configuration, the notch 27
Since it can be moved in and out from the rear, it is easy to handle, and since it is a cart 31 with a caster 44, it can be transported freely.

Since a pushing body is provided for pushing and feeding the seedling boxes 5 on the conveyor 16 from both left and right sides into the cart 31 in the notch 27, it is more efficient than the conventional one-sided feeding.

Since a step motor 39 is provided that can raise the cart 31 to a high position within the notch 27 and move the seedling boxes down one stage at a time, it is easy to stack the seedling boxes in stages for budding and greening work. .

This effect is achieved.

[Brief explanation of drawings]

Figure 1 is an overall plan view, Figure 2 is a side view, Figure 3 is a perspective view showing the overall operation, Figure 4 is a side view of the left/right distribution device, and Figure 5 is the step motor control circuit. It is a diagram. Explanation of symbols, 1... Seeding conveyor, 2... Connection section, 3... Transfer conveyor, 5...
...lift device, 6...belt, 7...angle,
...Upper rotating shaft, 9...Lower rotating shaft, 10...Belt, 11...Motor, 12...Rotating shaft, 13...
...Switch, 14...Sensor, 15...Extrusion device, 16...Transport conveyor, 17...Starting end side, 1
8... End side, 19... Guide roll, 20... Left/right sorting device, 21... Underframe, 22... Rack, 23...
...Moving sorting body, 24... Pinion, 25... Motor, 26... Switch, 27... Notch, 28...
...Stacking device, 29...Right push section passage, 30...Left push section passage, 31...Dolly, 32...Frame body, 3
3, 34... Rotating shaft, 35, 36... Sprocket, 37... Chain, 38... Angle, 39...
...Motor, 40...Rotating shaft, 41...Chain, 4
2... Reverse gear, 43... Chain, 44... Pulley, 45... Rail, 46... Switch, 47...
...Right front pushing body, 48...Right rear pushing body, 49...Left front pushing body, 50...Left rear pushing body, 51...Fork, 52...Reverse rotation drive circuit, 53...Normal rotation drive circuit, 54... …andgate.

Claims (1)

[Claims] 1. A rear-open cutout 27 formed on the terminal end side 18 of the conveyor 16 of the seedling box 5, and a cart 31 with casters 44 that can move in and out of the cutout 27;
A pushing body pushes and supplies the seedling boxes 5 on the conveyor 16 to the cart 31 in the notch 27 from both left and right sides;
A seedling box stacking device comprising a step motor 39 capable of raising the seedling boxes to a high position within the container 7 and lowering the seedling boxes one step at a time.