JPS5927848B2 - Weighing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a weighing device for sensing and sorting the weight of fruits or the like using the elastic force of a bullet or the like.

Conventionally, in this type of weighing device, a bundle is provided at the end of an adjustment shaft for adjusting the weighing device via a worm and a worm wheel. Because the worm gear case was installed in one direction, if it became necessary to install the adjustment shaft horizontally or in an inclined direction depending on the direction in which the cup used to transport the fruit fell, etc., it was necessary to manufacture a separate worm gear case. .

In the present invention, the adjustment shaft is provided in advance so that it can be replaced and installed with different inclination directions, so that the worm gear case, etc., can be used in common, and the worm, adjustment shaft, etc. can be rearranged and used as necessary. This aims to reduce the number of cases, etc. in stock, and to simplify the manufacturing process to improve the efficiency of manufacturing work.

Hereinafter, one embodiment of the present invention will be described in detail using the drawings.

In the figures, Figures 1 and 2 show four rows of conveyance passages 1.3,
Cup 5,7 9,9. . . ., cup 9
,9. ... by tipping it sideways and removing it from the chute 11.
．． 15.1 shows a sorting device using the sorting method shown in 13.
5. . . . is a weighing device; 17, 17° . . . is an operating section fixed to the end of the adjustment shaft 19; and the handle adjustment shaft 19;
is set at an angle.

Two weighing devices 15 are arranged in parallel before and after the conveyance, and the conveyed fruits are sorted by weight to the take-out shoes N1 and 13 and discharged.

The weighing device 15 is configured as follows.

That is, FIG. In Fig. 4, 21 is the rail 23
．． A support member 24 is slidably suspended, and the elevating body 27 is pivoted and supported by two links 25 and 25 provided in parallel so that the elevating body 27 can be raised and lowered.

The cup 9 is rotatably pivoted by a shaft 31 provided on one side of the elevating body 27, and a locking portion 33 provided on the other side of the elevating body 27.
It maintains a horizontal position by touching the bottom of the machine.

35 is a protrusion 3 provided to protrude inward of the elevating body 27
A support pin fixed to the rail 39 protruding from the 7 side to the 1 side.
It is slidably supported above to support the cup 9 in a horizontal position.

Reference numeral 41 denotes a locking shaft provided on the support body 21 in the advancing direction, into which a locking ring 43 provided at the bottom of the cup 9 is fitted with a suitable clearance.

45 is a weighing rod of the weighing section, and the upper end is the notch 4 of the rail 39.
7, and the other end is fixed to a support shaft 51 rotatably supported by a support base 49.

Reference numeral 53 denotes an arm fixed to the support shaft 51 so as to protrude in a direction opposite to the scale rod 45.

Reference numeral 54 denotes a guide rail fixedly provided along the inside of the rail 39. As the cup 9 is transported, the upper surface of the guide rail 54 descends in the transport direction, and then returns to the same height as the rail 39 at an appropriate position. It is formed like this.

Reference numeral 55 indicates a worm case of a load adjustment device that is integrally provided on the support base 49, 57 indicates a worm foil fixed to a worm foil shaft 59 provided horizontally in the transport direction on the worm case 55, and 61 indicates a worm foil shaft 59. The adjustment arm 63 is fixed to the arm 53 and the adjustment arm 61 at both ends.
A bullet attached to each of the two is used to bias it in the tensile direction.

65 is a worm that engages with the worm wheel 57, 67 is a worm shaft that fixes the worm 65, and 69 and 69 are shaft holes of a high state support portion that pivotally supports the worm shaft 67 in an inclined direction.

71.71 is another shaft hole provided in the worm case 55, which is provided so as to be able to horizontally support the worm shaft 67,
The worm shaft 67 is replaced and installed as necessary.

The tightening part shaft 19 is provided on the same axis as the worm shaft 67,
One end is connected to the worm shaft 67 by a joint 75, and the handle 17 is fixedly provided at the other end.

79 is a scale stand fixed to the support stand 49, and an index 81 is provided on the surface.
An index plate 83 provided with is fixed.

85 is a scale plate, between the scale stand 79 and the handle 17,
It is rotatably provided on the adjustment shaft 19, and a scale 87 indicating the weight of the fruit is displayed on the surface in correspondence with the index 81.

89 is a bullet whose one end is locked to a spring receiver 91 fixed to the adjustment shaft 19, and the other end is connected to the scale plate 85 via a friction plate 93.
is loaded to press the handle 17 against the handle 17.
Relative rotational resistance is provided between the adjustment shaft 19 and the adjustment shaft 19 through the adjustment shaft 19.

In the above configuration, the support body 21 is conveyed on the rails 23.degree. 24 in the direction of the arrow in FIG. 1 by a conveyance device such as a conveyor chino (not shown).

At this time, the support pin 35 is slidably supported on the rail 39,
The cup 9 is kept in a horizontal position with fruit inside (not shown).
is listed.

When the support pin 35 comes to the position of the notch 47 of the rail 39, the support pin 35 is moved onto the scale rod 45.

If the fruit is lighter than the predetermined weight, the support pin 35 moves on the scale rod 45, passes through the notch 47, and returns to the rail 39.
It moves to the top and is transported as it is.

If the fruit is heavier than a predetermined weight, the support pin 35 presses the scale rod 45 downward against the tensile force of the bullet 63, moves along the upper surface of the guide rail 54, and gradually moves downward. Move to.

When the support pin 35 descends, the elevating body 27, which is supported by the links 25.25 so as to be able to rise and fall, descends, and the cup 9 also descends together.

When the cup 9 descends, the bottom abuts against the locking shaft 41.

When the elevating body 27 further descends, the locking shaft 41 engages the cup 9.
Lift it up, rotate it around the shaft 31, and make it roll over.
The fruits in the cup 9 are taken out and dropped into the chute 11 to be discharged.

As the support body 21 advances further, the support pin 35 slides on the upper surface of the guide rail 54 and returns onto the rail 39.
Cup 9 returns to a horizontal position.

Fruits lighter than the aforementioned predetermined weight pass through the position of the take-out chute 11, and then fall into the take-out chute 13 and are discharged by a weighing device 15 provided.

Before starting work, a standard predetermined weight is placed on the cup 9 and the weighing device 15 is activated.

In case of malfunction, when the handle 77 is rotated appropriately, the worm wheel 57 is rotated by the worm 65, and the adjustment arm 61 is rotated, so that the elastic force of the bullet 630 can be adjusted.

If there is an error between the aforementioned predetermined weight and the display on the scale 87, the scale plate 85 is rotated against rotational friction by the bullet 89 to accurately display the scale 8T.

Further, as shown in FIGS. 6 and 7, in a sorting device configured to overturn the cups 9 in the transport direction, the take-out shoes 11.13 are the take-out chutes 11, 11 and 13, 13 of the adjacent transport passage, are arranged one on top of the other, and the adjustment shafts 19 are arranged horizontally in parallel.

In this case, as shown in FIG. 5, the worm 65 may be attached to the shaft hole 71, 71 of the low-state support portion, and the adjustment shaft 19 may be positioned in the horizontal direction.

Note that the adjustment shaft 19 may be provided on the axial center line of the worm 65 in the opposite direction to that of the above-described embodiment.

As described above, the present invention provides a cup that can be transferred with a fruit loaded thereon and can be tipped over to eject the fruit either forward or backward in the transfer direction or sideways during the transfer, and when the weight of the fruit is more than a predetermined value. a weighing unit that overturns the cup against a set load of the bullet; a load adjustment device that adjusts the set load of the bullet by rotating a worm wheel via a worm; and a load adjusting device that adjusts the set load of the bullet by rotating a worm wheel through a worm; The weighing device has an adjustment shaft that allows the cup to eject the fruit either forward or backward in the transfer direction (when the cup can be tipped over, the vertical position of the operating part is adjusted to the cup while maintaining the engagement between the worm and the worm wheel a low-state support part that can support the adjustment shaft so that the cup is lower than the worm wheel; Since the cup is provided with a high state support part that can support the adjustment shaft so that the position is higher than when the adjustment shaft is supported on the low state support part, the cup discharges the fruit either forward or backward in the transfer direction. When it is possible to topple over as much as possible, the adjustment shaft can be supported on the low state support part so that the vertical position of the operation part is lower with respect to the cup while the engagement between the worm and the worm wheel is maintained, and the cup is tilted in the lateral direction. The adjustment shaft can be supported on the high state support part so that the operating part is higher than the above when it can be tipped over to eject the fruit.

Therefore, the adjustment shaft can be set to improve operability depending on the type of cup, and there is no need to prepare a load adjustment device or the like depending on the type of cup.

Therefore, it is sufficient to manufacture identical parts, and the efficiency of manufacturing work is improved, and parts management is also easy.

It should be noted that the present invention is not limited to the above-mentioned embodiments, but can be implemented in other embodiments as well.

[Brief explanation of drawings]

1 and 2 are a plan view and a front view, respectively, of a sorting device equipped with a device according to the present invention, and FIGS.
A side view and a front view of the embodiment, FIG. 5 is a front view showing another embodiment of the main part, and FIGS. 6 and 7 are plan views of a sorting device using the device of the embodiment shown in FIG. , is a front view. Explanation of symbols representing main parts of the drawings, 19... Adjustment axis, 57... Worm foil, 63... Bomber, 65
...Warm, 17...Handle.

Claims (1)

[Claims] 1. A cup that is transported with fruits loaded thereon and that can be tipped over to eject the fruit either forward or backward in the transport direction or sideways during the transport, and a cup that resists the set load of an ammunition when the weight of the fruit exceeds a predetermined value. A weighing device that has a weighing unit that causes the cup to fall over, a load adjustment device that adjusts the set load of the bullet by rotating a worm wheel via a worm, and an adjustment shaft that rotates the worm by a rotation operation of an operating unit. In the device, when the cup can be tipped over to eject the fruit either forward or backward in the transfer direction, the vertical position of the operating part is lowered relative to the cup while the worm and the worm wheel are kept in engagement with each other. a low state support part that can support the adjustment shaft; and when the cup can be tipped over to eject the fruit laterally, the vertical position of the operating part keeps the adjustment shaft in the low state while maintaining engagement between the worm and the worm wheel; A weighing device characterized by being provided with a high state support part that is supported on the support part and can support the adjustment shaft so that the adjustment shaft is higher than the current state.