JPH0630B2 - Leveling device for nursery boxes - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention mounts a nursery box on a conveyor, puts it in a soil, sows,
The present invention particularly relates to a leveling device in a seeding equipment for performing leveling and irrigation continuously.

[Prior Art] A conventional leveling device rolls a slightly narrower roller than the inner method of a nursery box. However, since it is not possible to level the front and inner walls of the nursery box in the advancing direction with rollers alone, it is known that a leveling flat plate that is moved up and down is used to level the inner wall of the nursery box. There is.

[Problems to be Solved by the Invention] In the above-described conventional flat plate, it is difficult to sufficiently flatten the surface of the floor soil because only the plate-shaped flat plate is pushed down.

This invention is intended to make it possible to sufficiently level the front wall and the vicinity of the inner wall of the nursery box.

[Means for Solving the Problems] Description will be made with reference to the drawings.

The leveling device for a nursery box according to the present invention is a leveling device arranged in association with a seeder on a conveyor, in which left and right vertical base walls 1 are erected on side frames 11 of a conveyor 10, An upper shaft 60 and a lower shaft 61 which are horizontal to the wall 1 are laid horizontally, the upper rear end of the swing arm 62 is pivotally supported on the upper shaft 60, and a connecting member 64 is hung at the upper front end via a connecting pin 63. The lift arm 65 is hung on the lower shaft 61, and the driven arm 66 is provided so as to project forward, and the connecting member 64 is provided in the long groove 67 provided in the driven arm 66.
The slide pin 68 that is projectingly engaged with the slide pin 68 is engaged, and the return spring 69 is installed in the direction in which the slide pin 68 abuts on the bottom of the long groove 67. The lines are formed to form a quadrangle, and the flat plate 2 having L-shaped legs is laterally fixed to the lower portions of the left and right connecting members 64, and the compression spring 75 for urging the swing arm 62 backward and the rocking arm 75. A stopper device 70 with a fine vibrating body is provided for restricting the rearward turning position of the moving arm 62 and giving a slight vibration at the rearward turning position of the swing arm 62, and the rear end wall 3a of the nursery box 3 is provided with an L-shaped leg. When the tip comes into contact, the slide pin 68 moves forward along the long groove 67 against the return spring 69, and when the lift arm 65 reaches the rear end wall 3a of the nursery box, the lift arm 65 turns and the flat plate 2 moves. So that it will rise One in which the.

[Operation] While the seedling raising box 3 is conveyed from the lift arm 65 side to the slide pin 68 side by the conveyor 10, soil and seeds are dropped. Then, the soil and seeds 6 in the seedling raising box 3 become an uneven surface, or the lower end horizontal portion 2b of the flat plate 2 contacts the uneven surface to smooth the uneven surface. The pressing force of the flat plate 2 is obtained by the compression spring 75.

At this time, since the microvibration of the stopper device with the microvibration body 70 is transmitted to the flat plate 2 via the swing arm 62, the connecting pin 63, and the connecting member 64, the lower end horizontal portion 2b vibrates slightly on the uneven surface. , The uneven surface is leveled quickly and reliably.

When the rear end wall 3a of the nursery box 3 approaches, the tip of the lower end horizontal portion 2b contacts the rear end wall 3a, and the slide pin 68 moves forward in the long groove 67 against the tensile force of the tension spring 69. (FIG. 2) The soil and seeds near the rear end wall 3a are leveled.

When the lift arm 65 contacts the rear end wall 3a, the lift arm 65 rotates upward. As the lift arm 65 rotates, the driven arm 66 also rotates to lift the flat plate 2 by the slide pin 68, and the lift arm 65 separates from the stopper device 70 with the fine vibrating body.
The vibration of (3) stops (Fig. 3). After reaching the time when the lift arm 65 passes through the front end wall 3b of the next seedling raising box 3, the flat plate 2 drops onto the soil and seeds 6 of the next seedling raising box 3 and the swinging arm 65 again vibrates. The lower end horizontal portion 2b of the flat plate 2 slightly vibrates on the uneven surface by coming into contact with the stopper device 70 provided with the flat plate 2, and the uneven surface is quickly and surely leveled (fourth).
Figure).

[Example] 10 is a conveyor, 11 is a left and right side frame of the conveyor 10, 1 is a vertical base wall standing on the left and right side frames 11, and 3 is a nursery box placed on the conveyor 10.

An upper shaft 60 and a lower shaft 61 arranged on the same vertical line are horizontally supported between the left and right vertical base walls 1. The rear upper end of a triangular swing arm 62 is pivotally supported on the left and right of the upper shaft 60.

A connecting portion 64 hangs on the upper front end of the swing arm 62 via a connecting pin 63. A flat plate 2 having an L-shaped leg composed of a vertical portion 2a and a lower end horizontal portion 2b is attached between the lower ends of the left and right connecting members 64. The upper end of a downward lift arm 65 is fitted and fixed to the lower shaft 61,
The rear end of the follower arm 66, which is slanted forward and downward, is fitted and fixed,
A long groove 67 is provided at the tip of the driven arm 66. The long groove 67 of the driven arm 66 is fitted to the slide pin 68 which is provided on the connecting member 64 so as to project horizontally. A coil-shaped return spring 69 is stretched between the lower shaft 61 and the slide pin 68, and biases the slide pin 68 toward the bottom of the long groove 67.

Stopper device 70 with a microvibration body attached to a vertical base wall
Will be described. The microvibration body 72, the intermediate member 73, and the hard rubber cushioning member 74 are sequentially arranged and connected to the buffer body 71 fixed to the vertical base wall to form the stopper device 70 with the microvibration body. The stopper device 70 with a fine vibrating body extends substantially horizontally to the front and faces the lower portion of the swing arm 62. Vibrations and electromagnetic vibrations generated by the rotation of the eccentric body are transmitted to the microvibration body 72 via a rigid body (not shown).

Between the middle of the swing arm 62 and the vertical base wall 1, a decompression spring 75 inclined forward and downward is stretched so as to act so as to urge the connecting member 64 downward. .

Designed so that the slide pin 68, the connecting pin 63, the upper shaft 60, and the lower shaft 61 are located at each corner of the parallelogram when the slide pin 68 is in contact with the bottom of the long groove 67 of the driven arm 66. The upper shaft 60 and the lower shaft 61.
The connecting pin 63 and the slide pin 68 are arranged so as to be located on the same vertical line. Therefore, when the slide pin 68 is in contact with the bottom of the long groove 67, the lower end horizontal portion 2b of the flat plate 2 is always kept horizontal.

The soil and seeds 6 are dropped while feeding the seedling raising box 3 from the lift arm 65 side to the slide pin 68 side by the conveyor 10. Then, the soil and seeds 6 in the seedling raising box 3 become an uneven surface, or the lower end horizontal portion 2b of the flat plate 2 contacts the uneven surface to smooth the uneven surface. The pressing force of the flat plate 2 is obtained by the compression spring 75.

When the rear end wall 3a of the nursery box 3 approaches, the tip of the lower end horizontal portion 2b contacts the rear end wall 3a, and the slide pin 68 moves in the long groove 67 against the tensile force of the tension spring 69 (first Two
Fig.), The soil and seeds near the rear end wall 3a are leveled. In addition,
Even when the slide pin 68 moves forward in the long groove 67, it is necessary to transmit the microvibration of the microvibration body 72 to the swing arm 62. A stopper with a fine vibrating body is kept in contact with the swing arm 62 by interposing a cushioning member 74.

When the lift arm 65 contacts the rear end wall 3a, the lift arm 65 rotates forward and upward. As the lift arm 65 rotates, the driven arm 66 also rotates to lift the flat plate 2 by the slide pin 68, and the lift arm 65 separates from the stopper device 70 with the fine vibration body.
The vibration of 2 stops (Fig. 3). After reaching the time when the lift arm 65 passes through the front end wall 3b of the next nursery box 3,
The flat plate 2 drops onto the soil or seeds 6 of the next seedling raising box 3 and the swing arm 65 again contacts the stopper device with the fine vibrating body, so that the lower end horizontal portion 2b of the flat plate 2 slightly vibrates on the uneven surface. However, the uneven surface is leveled quickly and reliably (4th
Figure).

[Effects of the Invention] The L-shaped legs of the flat plate allow leveling up to the vicinity of the front and rear end walls of the nursery box 3, and when the flat plate 2 comes into pressure contact with the uneven surface, Fine vibration is flat plate 2
Therefore, the uneven surface is leveled quickly and reliably, and soil is not attached to the lower end horizontal portion 2b.
High practicality can be obtained.

[Brief description of drawings]

The drawings show an example of the present invention. FIGS. 1 to 4 are side views of a main part showing the order of steps, and FIG. 5 is a front view showing a neutral line M.
Although it is symmetrical with -M in between, only the left half is shown. DESCRIPTION OF SYMBOLS 1 Vertical base wall 2 Level plate 2a Vertical part 2b Lower end horizontal part 3 Nursery box 3a Rear end wall 3b Front end wall 6 Soil and seeds 10 Conveyor 11 Side frame 60 Upper shaft 61 Lower shaft 62 Swing arm 63 Connecting pin 64 Connecting member 65 Lift arm 66 Driven arm 67 Long groove 68 Slide pin 69 Return spring 70 Stopper device with microvibration body 71 Buffer body 72 Microvibration body 73 Intermediate member 74 Hard rubber cushioning member 75 Compression spring

Claims (1)

[Claims] 1. A leveling device arranged in association with a seeder on a conveyor, wherein left and right vertical base walls (1) are erected on side frames (11) of the conveyor (10). A horizontal upper shaft (60) and a lower shaft (61) are horizontally mounted on (1), and the upper rear end of the swing arm (62) is pivotally supported on the upper shaft (60) and a connecting pin ( 63), the connecting member (64) is hung down, the lift arm (65) is hung on the lower shaft (61), and the driven arm (66) is provided so as to project forward, and is provided on the driven arm (66). The connecting member (64) in the long groove (67)
Engage the slide pin (68) protruding from the shaft, and install a return spring (69) in the direction in which the slide pin (68) abuts the bottom of the long groove (67), and the upper shaft (60) and the lower shaft (61). ), The connecting pin (63) and the slide pin (68) are connected to form a quadrangle, and the flat plate (2) has L-shaped legs under the left and right connecting members (64).
Is fixed horizontally and the compression spring (75) for urging the swing arm (62) to the rear and the rearward turning position of the swing arm (62) are regulated and the rear of the swing arm (62) is fixed. A stopper device (70) with a microvibration body that gives a microvibration in the rotating position is provided to resist the return spring (69) when the tip of the L-shaped leg comes into contact with the rear end wall (3a) of the seedling raising box (3). When the slide pin (68) moves forward along the long groove (67) and the lift arm (65) reaches the rear end wall (3a) of the nursery box, the lift arm (65) turns and the flat plate (2 ) Is configured so as to rise, a leveling device for a nursery box.