JPH0645405B2 - Automatic stacking device for nursery boxes - Google Patents

Description

The present invention relates to an automatic stacking device for seedling raising boxes, which is conventionally provided by supplying bed soil into the seedling raising box by a seeding machine,
When seeded nursery boxes, which had been covered with soil and were sprinkled with water, were stacked and fed into a nursery box for germination or greening, it was done manually.

However, in recent years, since many seedling raising boxes have been sown at once in a seedling raising center and the like to perform seedling raising management, the manual work is inefficient, and it has been desired to automate the work. This invention is intended to develop an automatic stacking device that responds to the above-mentioned demand. The first invention is germination in which the upper and lower seedling raising boxes are stacked on the receiving bar of the seedling raising device with almost no gap. The purpose of the present invention is to develop an automatic stacking device that can switch between a stacking state for the purpose of the above and a stacking state in which the intervals between the upper and lower nursery boxes are widened so that the seedlings can grow up to a predetermined time.

A second aspect of the present invention aims to prevent the raising of the seedling raising box so that the seedling raising box can be surely pushed in when the seedling raising box is pushed onto the receiving bar of the seedling raising device in the above automatic stacking device. It is a thing.

An embodiment of the present invention will be described in detail with reference to the drawings.

First, to explain the overall configuration shown in FIG. 1 and FIG. 2, (1) is a seeder, which is placed on a ladder-shaped support base (3) supported by legs (2), (2) ... , Two left and right conveyor belts (4), (4)
.. is wound.

(5) is a conveyor belt that is loaded with empty nursery boxes (A)
(4) It is an empty nursery box feeding device that is fed to the top.

(6) is a floor soil supply device, a hopper (6a) and a floor soil feeding device (6b)
It is configured to supply the bed soil to the empty nursery box (A) being transferred, and is configured to be driven and rotated by the motor (M6a).

(7) is a seeding device, which is composed of a hopper (7a) and a seed feeding device (7b), and is configured to disperse seeds into a seedling raising box (A) to which bed soil is supplied and sent, and a motor ( It is driven and rotated by M6b).

(8) is a soil covering device, which is a soil covering hopper (8a) and a soil covering feeding device (8
b) The seedling box (A), which consists of (1) and (3) and is sent out, covers the upper surface of the nursery box (A) with this motor (M6
It is configured to be transmitted by b).

(9) is an irrigation device, which is located between the bed soil supply device (6) and the seeding device (7) to irrigate the top surface of the bed soil.

(10) is a lift device, which is on the rear side of the seeder (1),
This is a device for sequentially lifting the seeded nursery box (A) that has been seeded and sent out, and sends it out to the rear, and is specifically configured as follows. A transfer belt conveyor (12) that winds in the front-rear direction is provided in a frame (11) that is erected in a gate shape in a front view, and a lift chain (13) that winds in the up-down direction on the left and right sides of the frame. Wrap (13) around the chains (13) and (13) and lift machine (1
4) and (14) are attached and the seedling raising box (A) placed on the belt conveyor (12) by the rotation of the chains (13), (13) ... It is configured to move.

(15) is an extruding device, which is located in the front left and right center part of the frame (11), and an extruding plate (15b) is extruded by an air cylinder device (15a) by air pressure from an air compressor (not shown).
To move back and forth. (16) is an air switching valve. (M5) is a motor for driving the lift chain (13), (13) ..., (M7) is a motor for driving the belt conveyor (12), and (SW10) is a belt conveyor (12) for feeding the nursery box (A). This switch (SW1) is a detection switch that detects when the lifter (14) has reached the state where it is lifted by the lifter (14).
The motor (M5) is provided so as to rotate based on the detection of (0).

(SW11) is a detection switch for detecting that the lift chains (13), (13), ... have rotated and reached the position to push out the nursery box (A) by the pushing device (15), and the motor ( M5)
The rotation of the air cylinder device (15a) is stopped and the operation of the air cylinder device (15a) is promoted.

The switches (SW12) and (SW13) are air cylinder devices (1
This is to control the entry and exit of the piston of 5a).

(23) is a sorting transfer device of the nursery box (A), the extrusion device (1
It receives the nursery box (A) pushed out in 5) and transfers it to the rear while allocating the nursery boxes (A) to the right and left two rows. Specifically, it has the following structure. Rotating rollers (25), (25), whose axes are oriented in the left-right direction, are supported at predetermined intervals on an upper part of a support (24) connected to the frame (11) of the lift device (10), and Each roller is configured to be driven and rotated by a motor (M4) via a chain, respectively, and further, an air cylinder device (27) of the same type as the extrusion device (15) is provided on one side of the roller conveyor, The extruding plate (27a) of the air cylinder device (27) is designed to operate in synchronism with the operation of the air cylinder (15a) and become half the operation of the extruding plate (15a), The nursery box (A) extruded by the air cylinder (15a) is configured to be divided into two left and right rows. Then, on the rear side of this distribution transfer device (23), a nursery box transfer device (28) of the same type is continuously connected, and the nursery box (A) is transferred to the rear side in two left and right rows. Has been done.

(29) is a seedling raising device, which is the front and rear columns (30a), (30b)
And a middle strut (30c) are arranged on the left and right at a predetermined interval. A total of six strut vertically extending to the left and right at intervals slightly wider than the height of the nursery box (A). ) 、 (31) 、 (31)
.. are attached, and these columns are firmly connected at the upper and lower ends, and are connected by the lower frames (32) and (33), and a total of four nursery boxes at a predetermined interval in the horizontal plane in plan view It is configured to be mounted in. Then, rolling wheels (34), (34), (35), (35) with casters for moving left, right, front and back are attached to the lowermost frame (33) of the seedling raising device (29).

(36) is a vertical movement mechanism of the seedling raising device (29), which is provided on one side of the seedling raising box transfer device (28), and a column frame (37) facing each other in the front-back direction in front, rear, left, and right. ), (37) ..., this 4
The seedling raising device (29) is arranged so as to be inserted laterally between the individual upright support frames (37), (37). The support frame (37), (37)
The vertically movable frames (38), (38), ... Are fitted inside, and the racks (38a) are integrally attached to the vertically movable frames (38), (38) ,. Of (37), (37) ..., the raising and lowering motor (M3) with the pinion (39b) pivotally supported on the one on the side of the nursery box transfer device.
Is provided, and the elevating frame (3
8) and (38) are configured to move up and down. A lift arm (38b) protruding laterally is attached to one of the elevating frames (38), (38) on the side of the nursery box transfer device. And this lift arm (38b) supports the front and rear receiving bars (31), (31) of the lowermost stage of the seedling raising device (29) fitted in the elevating frames (38), (38). The seedling raising device (29) is constructed so that it can be moved up and down.

(40) is a movable stopper device for receiving the transfer of the seedling raising device (A), which is located on the upper surface of the rear end side of the sorting and transferring device (23) and has two rows of left and right transferring seedling raising boxes (A), (A). ) Of the transfer front end at the same time, the cylinder switch (42) is activated by the detection switch (SW14) that is turned on when the two left and right rows of nursery boxes (A), (A) are received, It is configured to open the receiving state.

(43) is also a movable stopper device, which is the above-mentioned seedling raising device.
On the upper surface of the nursery box transfer device (28) corresponding to the front and rear intermediate part of (29), this movable stopper device (43) does not always receive the nursery box (A) contrary to the above. Thus, it is attached to the cylinder (45) which is located above and operates in the receiving state by the ON operation of the detection switch (SW1) described later.

The detection switch (SW1) is located at the rear end of the nursery box transfer device (28) and fixed to receive the nursery boxes (A) and (A) transferred in two rows when they reach the rear end. It is attached to the stopper (46) and detects arrival of the nursery boxes (A) and (A).

The detection switch (SW2) is attached to the movable stopper (43) and detects that the two rows of left and right nursery boxes are received by the movable stopper (43).

(48) and (49) are the nursery box pushing devices, which are on the anti-nursery device side of the nursery box transfer device (28), and on the left and right sides of the front and rear sides of the nursery device (29), respectively. Two parallel seedling raising devices (A), (A) are pushed simultaneously onto the receiving bars (31), (31) ... of the raising seedling raising device (29), and these pushing plates (48a), ( 49a) is a motor (M1),
It is attached to the push-out rods (48b) and (49b) that come in and out by the pinion gear rotated by (M2) and the rack that meshes with it. And the motor (M1) is the switch (SW
When 2) is turned on, it rotates forward to protrude the push rod (48b), push the seedling raising boxes (A), (A) into the seedling raising device (29), and when this is completed, the switch (SW6) turns on. When the motor (M1) rotates in the reverse direction and returns to the original state, the switch (SW3) stops the rotation of the motor (M1). Similarly, the motor (M2) is also configured to rotate normally when the switch (SW1) is turned on, reversely rotate when the switch (SW5) is turned on, and stopped by the switch (SW4).

(SW15) is a change-over switch for changing the vertical movement pitch of the vertical movement mechanism (36), and is provided for the front and rear lifting frames (3
8), (38) receivers (31), (31) of the seedling raising device (29) ... A cam body (57) provided with a latch (57a) having the same pitch as the vertical pitch l,
A cam body (5a) having latches (58a) at an interval of twice the pitch L
8) are provided, and the latch (58a) is provided on the side of the support frame (37), respectively.
The switches (SW9) and (SW9) 'for detecting the switch are provided, and when the switch contacts the latch position and turns on, the rotation of the lifting motor (M3) is stopped, and the switches (SW9) and (SW9)' are configured to stop.
And are wired in parallel so that this operating side can be freely selected and switched.

(61) is an anti-floating device, which is a nursery box of the nursery box transfer device (28).
The rollers (64) and (64) are rotatably supported by metal fittings (62) and (63) erected on the frame (28a) on the (29) side. ) 、 (49) pushed seedling box
The upper surface of the outer peripheral frame of (A) is pressed and guided to surely guide it to the upper surface of the receiving bar (31) of the seedling raising device (29).

The switch (SW7) is a lift arm of the vertical movement mechanism (36).
The switch (SW8) detects that the (38b) has reached the bottom end, and the switch (SW8) detects that the lift arm (38b) has reached the top end.

The electric control circuit shown in FIG. 10 will be described in detail together with the explanation of the operation.

Next, the operation of the above example will be described in detail.
Put soil into the hoppers (6a) and (8a) and put paddy seeds into the hopper (7a). And the column frames (37), (37) of the vertical movement mechanism (36)
..Insert and set the nursery device (29) inside. At this time, the lift arm (38b) is set to support the lowermost receivers (31), (31). In this state, first, the main switch
When (MSW) is turned on, the electromagnetic switch (MS9) operates and contacts
Close (MS-9) and rotate the motors (M6a) and (M6b).

Next, when the push button switch (PB-1) is pressed, the electromagnetic switch (MS5) operates and the contact (MS-5) self-holds the motor (M3) of the vertical movement mechanism (36) to rotate normally. Lift arm (38
b) rises. And when reaching the upper end, switch (SW8)
Is activated, the switch (CR3) is excited, and the contact (CR-3) holds itself as it is. In addition, a switch is provided by another contact (CR-3).
Since (MS7) is excited, the switch (MS5) is reset by the operation of another contact, and the lift arm (38b) stops at the upper end.

That is, the receiving surface of the lowermost receiving bar (31) of the seedling raising device (29) is set at the same height as the upper surface of the seedling raising box transfer device (28).

Further, the contact (MS7) is closed by the excitation of the switch (MS7), and the motor (M4) and the motor (M7) rotate. That is, by the operation of the electric control circuit described above, the conveyor belts (4), (4), ... of the empty nursery box (A) are sequentially transferred one by one, and the bed soil supply device (6) is used to convey the bed soil. Seeding device after water is supplied and irrigated so that the upper surface becomes uniform for about 8 minutes.
The seeds are sown in (7) and subsequently covered with a soil cover device. Then, the transfer belt conveyor (12) of the lift device is used to post-feed.

The switch (SW1) located behind the conveyor (12)
When the arrival of the seedling raising box (A) in which (0) is sown is detected, the switch
(MS8) is excited and self-held by the contact (MS-8), and the motor (M5) is rotated by another contact (MS-8). Therefore, the lift chains (13) and (13) of the lift device (10) are rotated, and the seedling raising box (A) on the transfer belt conveyor (12) is received and lifted by the lift bars (14) and (14). become.

At this time, the seedling raising box (A) is separated from the conveyor (12) by the detection of the switch (SW10) during transfer without being received by the stopper, etc., so immediately after the seed paddy in the seedling raising box (A) is irrigated. Even if it is, it is lifted without moving and lifted accurately.

When the nursery box (A) is lifted in this way, the switch (SW11) detects this nursery box (A) and the motor (M5)
Stops. At the same time, the switch (CR4) is excited and the contact (CR4)
-4) is activated and self-holds at the same time.

Also, the solenoid (SOL1) is operated by the separate contact (CR-4) to push out the lifted seedling raising box (A). Then switch (12)
The switch (CR5) is excited and self-held by the contact (CR-5), and at the same time, the extrusion is stopped by another contact (CR-5).

Further, another switch (SW12) 'is activated, and the timer (T2) slightly delays the push-out device (15) of the sorting transfer device (23) to reciprocate once for two operations of the nursery box (A). Move and distribute the nursery boxes (A) to the left and right two rows.

Further, the solenoid (SOL2) works by another contact (CR-5) to retract the extrusion piston, and it is stopped by the switch (SW13).

In this way, the seedling raising boxes (A) are sorted into two rows on the left and right on the sorting and transferring device (23) and are transferred to the rear.

Then, the two left and right row nursery boxes (A) and (A) that are being transferred are switched.
When both are detected by (SW14), the timer (T1) is activated, the contact (T-1) is closed, the solenoid (SOL4) is activated, the cylinder device (42) is activated, and the preceding nursery box ( From the state where it was receiving A), open it and send it later with the nursery boxes (A) and (A) side by side. Then, it is transferred to the nursery box transfer device (28) and transferred to the rear end side.

And a fixed stopper on the rear end side of the transfer device (28).
(46) received the two rows of nursery boxes (A), (A) on the left and right,
When this is detected by the switch (SW1), the switch (MS1) is excited and self-held by the contact (MS-1), and at the same time another contact (MS-1)
Causes the motor (M1) of the pushing device (49) to rotate and
Two nursery boxes (A), (A) on the receiving bar (31) at the rear of the bottom of 9)
Will be pushed in at the same time.

At this time, the nursery boxes (A) and (A) that are about to be pushed in are surely pushed in by being guided by the rollers (64) and (64) of the anti-floating device (61) on the front and back surfaces thereof. .

Next, when the switch (SW4) is turned on, the switch (MS2) is excited and at the same time it is self-held, and the switch (MS1) is excited by the separate contact (MS-2) to reverse the motor (M1). Then pull back the pushing device.

Further, by exciting the switch (MS1), the separate contact (MS-1) is closed, and the switch (CR1) is excited. Then, the contact (CR-1) activates the solenoid (SOL3) to move the cylinder (45) downward so that the nursery box (A) can be received.

In this state, when the switch (SW2) attached to the stopper (46) is turned on, the switch (MS3) is excited and the contact (M
S-3) is closed and self-held, the motor (M2) is rotated and the extrusion device (48) works, and two seedling raising boxes are placed on the receiving bar (31) in front of the lowest stage of the seedling raising device (29). Press (A) and (A).
Then, the switch (SW3) is continuously turned on and the switch (MS4)
Is excited and self-holding, the switch (MS2) is excited by the contact (MS4) at the same time, the motor (M2) is reversed and the pushing device is pulled back.

In this way, the nursery boxes (A), (A), ... Are placed on the lower receiving bars (31), (31) in the left and right, respectively, in front of and behind the seedling raising device (29). The push-in device (48) works, the push-out rod (48b) is restored and reset, and the switch (SW3) is turned on.

And, in advance, the receiving bars (31), (31) of the nursery device (29) ...
When stacking the nursery boxes (A) on top, changeover switch (SW1
Manually switch 5) so that current will flow to the switch (SW9) side. In addition, the nursery boxes are separated from each other on the upper and lower sides.
When stacking (A), it is advisable to switch the switch (SW15) so that the current flows to the switch (SW9) 'side.

In this way, if you switch to either side, the switch (CR2) is excited by turning on the switch (SW3),
The contact (CR-2) is closed, the switch (MS6) is excited, and the contact (MS-
6) closes and rotates in reverse with the motor (M3) to activate the vertical movement mechanism (36) and move the lift arm (38b) downward. At this time, the switch (SW9) or switch (SW9) 'on the side where the current is flown is switched by the switch (SW15) to the latches (57a) and (58a) of the cam body (57) or (58). It continues to be turned on until it corresponds, and the seedling raising device (29) is lowered and stopped by a pitch of 1 or L between the latches. Then, at this time, the height of the upper surface of the nursery box transfer device (28) and the height of the second receiving bar (31) from the lower side of the seedling raising device (29) are substantially the same, or the third level from the lower side. The eye receiving bars (31) are stopped at the same height.

Then, the above operation is sequentially repeated so that the seedling raising device is
(29) moves downward intermittently, and the raising box (31), (31) ...
(A) is stacked.

Incidentally, in the case of the above example, the entire seedling raising device (29) is configured to be moved up and down by the vertical movement mechanism (36), but it is not always necessary to operate the entire seedling raising device (29), only the receiving bar (31) part. Lift arm (38
There is no problem even if it is constructed so that it is supported by b) and moves up and down.At this time, the receiving bars (31) are connected at predetermined intervals with ropes or chains, and they are extended one by one or two steps. It is desirable to have a structure that goes.

As described above, the first aspect of the present invention is to receive a nursery box (A) for receiving a nursery box (A) at regular intervals in the vertical direction, at least with a receiving bar.
(31) is provided so as to be able to move up and down through a vertical movement mechanism (36), and a nursery box transfer device (28) for transferring the nursery box (A) is provided on the nursery box supply surface side of this nursery box (29). A nursery box to be transferred with
When (A) corresponds to the inlet of the nursery box (29), this nursery box
(A) is provided with a stopper for receiving the transfer and a detector for detecting the reception, and the stopper is provided on the side opposite to the seedling raising device (A) on the side of the seedling raising box transfer device (28). The seedling raising box (A) received by the receiving piers (31), (31) of the seedling raising device (29)
-Providing the seedling raising box pushing devices (48) and (49) for pushing the seedling raising box upward, the vertical movement mechanism (36) of the seedling raising device (A) is used to push the seedling raising box pushing device (4).
8), (49) actuated, and after returning, control is made to move up or down by a multiple of the vertical pitch of the receiving bars (31), (31) ,. Since the seedling raising box is configured as an automatic stacking device, the seeded seedling raising boxes can be automatically stacked, and the stacked state can be set at each stage suitable for germination or germination. This brings about the effect of being able to stack several steps suitable for performing greening.

The second invention is a nursery box (A) at regular intervals in the vertical direction.
A mechanism for moving the receiving bar (31) up and down at least for the seedling raising device (29) that receives
(36) is provided so that it can be moved up and down, and the nursery box transfer device (2) for transferring the nursery box (A) to the nursery box supply surface side of this nursery box (29)
8) is provided and the seedling raising box (A) to be transferred is the seedling raising device (29).
When the corresponding nursery box (A) is provided with a stopper for receiving the transfer of the nursery box (A) and a detector for detecting the reception, the nursery box transfer device (28) is provided with the side of the nursery box.
On the side opposite to (A), the nursery box pushing device (4) for pushing the nursery box (A) received by the stopper onto the receiving bar of the nursery device (29) (4)
8) and (49), the nursery box transfer device (2
8) The nursery box pushing device (48), (49) on the nursery box (29) side
(29) The seedling raising box is configured as an automatic stacking device for raising the seedling raising box (61) that receives the upper surface of the seedling raising box (A) to be pushed onto the receiving bar and prevents the surface from rising. When the seedlings are automatically pushed into the receiving bar of the seedling raising device and stacked, the seedling raising box can be accurately loaded without dancing upward.

In the above example, the cam bodies (57) and (58) are of two types,
Although the pitch of the latch (57a) was made to correspond to the pitch of the receiving bars (31) and (31), and the latch (58a) was made to correspond to the pitch of one step skip, the pitch of two steps skip and three steps A cam body corresponding to the pitch may be configured, or several types of cam bodies may be prepared and selected for the lifting frame to be attached / detached. Further, the cam bodies (57), (58) are formed into a ring shape and are engaged with the receiving bars (31) to rotate when the seedling raising device moves up and down, and an engaging body corresponding to a latch is provided on this rotation peripheral portion. The switch (SW9) or (SW
Of course, 9) 'may be turned on and off.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a side view of the whole, FIG. 2 is a plan view thereof, FIG. 3 is a side view of essential parts, and FIG. 4 is a plan view thereof. FIG. 5 is a simplified rear view of the main part,
FIG. 6 is a side view of the seedling raising device, FIG. 7 is a plan view of the same, FIG. 8 is a side view of a main part partially sectioned, and FIG. 9 is a perspective view of the main part.
FIG. 10 is an electric control circuit diagram. Symbols in the figure, (28) is a seedling raising box transfer device, (29) is a seedling raising device, (31)
Is a receiving bar, (36) is a vertical movement mechanism, (48) and (49) are push-up devices for raising seedlings, respectively, (61) is a floating preventive device, and (A) is a seedling raising box.

Claims (2)

[Claims] 1. A nursery box (31) for receiving a nursery box (A) at regular intervals in the vertical direction, at least a receiving bar (31) is provided through a vertical movement mechanism (36) so that the nursery box (A) can be moved up and down. A nursery box transfer device (28) for transferring the nursery box (A) is installed on the nursery box supply side of the vessel (29), and the transferred nursery box (A) corresponds to the feeding port of the nursery box (29). At the time of providing a stopper for receiving the transfer of the nursery box (A) and a detector for detecting that the transfer has been performed, the nursery box (A) is provided at the side of the nursery box transfer device (28). On the other side, the nursery box (A) received by the stopper
The raising bars (31), (31) of the seedling raising device (29) are provided with pusher devices (48), (49) for pushing the seedling raising device upward, and the vertical movement mechanism of the seedling raising device (A).
To control (36) so as to move up or down by a multiple of the vertical pitch of the receiving bars (31), (31), ... After returning by the operation of the nursery box pushing devices (48), (49). , An automatic stacking device for seedling raising boxes that is provided so that the multiple of the vertical pitch can be changed. 2. A nursery box (31) for receiving a nursery box (A) at regular intervals in the vertical direction, at least a receiving bar (31) is provided so as to be able to move up and down through a vertical movement mechanism (36). A nursery box transfer device (28) for transferring the nursery box (A) is installed on the nursery box supply side of the vessel (29), and the transferred nursery box (A) corresponds to the feeding port of the nursery box (29). At the time of providing a stopper for receiving the transfer of the seedling raising box (A) and a detector for detecting the received, the seedling raising device (A) at the side of the seedling raising box transfer device (28) On the opposite side, the nursery box pushing device (48), (49) for pushing the nursery box (A) received by the stopper onto the receiver of the nursery box (29)
In the case where the nursery box (A) is provided, the nursery box (A) can be pushed onto the receiving bar of the nursery box (29) by the nursery box pushing devices (48) and (49) on the nursery box transfer device (28) side. ) An automatic stacking device for raising seedlings, which is provided with a floatation prevention tool (61) for receiving the upper surface of the parenthesis and preventing floating.