JP2720512B2 - Fruit pinching reversing mechanism in the bag removing fruit reversing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention is connected to a rear stage of a bag removing device for removing bags of fruits such as pears and peaches cultivated in bags, and the upper and lower sides of the removed bags are connected. The present invention relates to an improvement of a reversing bag removing fruit reversing device.

(Prior art) Conventionally, as a bag removing device, fruits are transferred one by one on a conveyor cup with the peduncles facing down, and during this transfer, the bags are cut open by a cutter and the bags are sucked by air. What is removed is known. Then, the removed fruit is turned upside down by an inverting device, and then transferred to a sorting cup conveyor of a sorting device for sorting the grade of the fruit.

The reversing device transports the left and right rollers while holding the left and right sides of each fruit holder with a pair of rollers. Invert, with the fruit facing up.

(Problems to be Solved by the Invention) However, since the size of the fruit to be inverted varies, there is a disadvantage that the fruit cannot be reliably sandwiched by the conventional fruit holder. In addition, the half-rotation of the roller is not accurate, and there is an inaccuracy in the reversal of the fruit.

An object of the present invention is to solve these problems.

(Means for Solving the Problems) In order to achieve the above object, the present invention is configured as follows.

That is, the present invention conveys the downward fruit from which bag removal has been completed by the bag removing device while pinching the left and right with each fruit holder integrated with a pair of left and right rollers, and bringing the rollers into contact with the reversing rubber during the conveyance. Then, in a bag removing fruit reversing device in which the fruit holder is turned upside down by rotating each of the roller shafts halfway around the fulcrum, and passing the inverted fruit to a sorting device, a spring is inserted around the outer circumference of the shaft cylinder of each roller shaft. In addition, both ends of the spring are in contact with the back surface of the roller and the contact pieces provided on the shaft cylinder, respectively.

(Operation) In the present invention configured as described above, the force holding the fruit a of the fruit holders 7, 7 integrated with the rollers 6, 6 is a spring.
Since it is adjusted by the expansion and contraction of 13, the fruit a can be reliably held regardless of its size.

Further, in the present invention, the rotation of the fruit holders 7, 7 and the rollers 6, 6 is regulated by the same spring 13 as described above.
Each roller 6, 6 rotates half a turn only when it comes into contact with each of the reversing rubbers 23, 23 and stops reliably. Therefore, the upside down operation of the fruit a is ensured.

(Embodiment) FIG. 1 is a schematic configuration diagram showing an application example of an embodiment of the present invention.

In FIG. 1, A is a bag removing fruit reversing device according to the present invention. The bag is removed by a bag removing device B connected to the preceding stage, and is conveyed by the bag removing cup conveyor 1 with the peduncles directed downward. After receiving the coming fruit a one by one, the fruit a is inverted upside down as described below, and the inverted fruit a is placed in the sorting cup 3 of the sorting cup conveyor 2 of the sorting apparatus C for sorting the grade of the fruit a. Pass one by one.

In this bag removing fruit reversing device A, a plurality of fruit pinching reversing mechanisms 5 for reversing the fruit a while transporting the fruit a therebetween are connected to a rotatable endless roller chain 4 at equal intervals.

Next, details of the fruit holding and reversing mechanism 5 will be described with reference to FIG.

In FIG. 2, reference numerals 6 and 6 denote a pair of rotatable left and right rollers, and a fruit holder 7 made of sponge rubber or the like is attached to a holding-side concave portion that holds the fruit a.

Each of the rollers 6, 6 is attached to a roller shaft 9, 9 with a bolt 8, 8, respectively.
Penetrates through the barrels 10 and 10, respectively. To the rear ends of the roller shafts 9, 9 are respectively attached restricting pieces 11, 11 for restricting the forward movement of the roller shafts 9, 9 with nuts 12, 12, respectively.

Each of the compression springs 13 and 13 is inserted through the outer periphery of each of the barrels 10 and 10, respectively, and the front end of each of the compression springs 13 and 13 is connected to each of the rollers 6 and
6, and the rear ends of the compression springs 13, 13 are in contact with the contact pieces 14, 14 provided on the outer periphery of the barrels 10, 10, respectively. As shown, a compression spring is provided inside each roller 6,6.
By arranging 13, 13, the overall configuration is made compact.

With such a configuration, each of the rollers 6, 6 is rotatable about each of the roller shafts 9, 9 and is movable in the axial direction of each of the roller shafts 9, 9.

Reference numerals 15 and 15 denote roller moving rods for moving the rollers 6 and 6 inward, respectively, and move in an arc from the position of the two-dot chain line to the position of the solid line with the shafts 16 and 16 as fulcrums.

The lower end of each of the roller moving rods 15, 15 is
10 and the upper end thereof is rotatably inserted into each of the shafts 16 and 16. Further, the upper ends of the roller moving rods 15, 15 are fixed to one ends of the connecting rods 17, 17, and the other ends of the connecting rods 17, 17 are provided with tension coil springs 18, 18, respectively.
One end of is fixed.

Then, the other end of each of the tension coil springs 18, 18 is attached to a regulation frame 19 for regulating the rotation of the roller moving rods 15, 15, respectively.

Reference numerals 20 and 20 denote a pair of guide rails arranged on the left and right along the conveying direction of the fruit a (see FIG. 1). Each of the guide rails 20 is configured such that the rail width gradually decreases at the start end side to become the rail width of FIG. 2, and at the end side, gradually widens from the rail width of FIG.

The guide rails 20, 20 are mounted on the mounting frames 22, 22, which are respectively disposed on the left and right sides by the screw rods 21, 21, and the rail widths of the guide rails 20, 20 are adjusted by adjusting the screw rods 21, 21. Is adjustable.

23, 23 are provided in the middle of the transportation of the fruit a, and each roller 6, 6
A pair of left and right reversing rubbers that make contact with the roller surfaces during the movement of the roller and rotate the rollers 6, 6 by half (see FIG. 1).

Reference numeral 24 in FIG. 1 denotes an air discharge port for blowing off the remainder of the bag removed by the bag removing device B from the fruit a by air.

Next, an example of the operation of the embodiment of the present invention configured as described above will be described.

Now, when the fruit a removed from the bag removing device B is conveyed to the end of the bag removing cup conveyor 1, at the beginning of the bag removing fruit reversing device A, the fruit pinching reversing mechanism 5 is moved along with the transport. It is gradually clamped by the pair of left and right fruit holders 7,7.

That is, as the fruit a is conveyed, the pair of left and right roller moving rods 15, 15 are sandwiched by the guide rails 20, 20 from the position indicated by the two-dot chain line in FIG.
As a result, the interval between the pair of left and right fruit holders 7 is also narrowed, so that the fruit a is sandwiched between the two fruit holders 7.

In addition, along with these operations, both fruit holders 7, 7 are retracted against the respective compression springs 13, 13, and the held fruit a
The retreat of both fruit holders 7, 7 stops at a position corresponding to the size of.

As described above, the holding force of each fruit holder 7, 7 is adjusted by each compression spring 13, 13, so that the fruit a can be reliably held regardless of its size.

Next, the fruits a thus sandwiched are each inverted rubber 2
When the rollers 3 and 23 are reached, the lower end surfaces of the rollers 6 and 6 come into contact with the corresponding reversing rubbers 23 and 23, and the rollers 6 and 6 start rotating around the roller shafts 9 and 9 as fulcrums. Since each rotation of each roll 6, 6 is regulated by each compression spring 13, 13, each roll 6, 6 rotates half a turn, and each reversing rubber
When the contact with 23, 23 is completed, it will stop reliably.

The fruit a which has been turned upside down in this way is sorted by the sorting device C.
To the sorting cup 3 of the sorting cup conveyor 2.

(Effects of the Invention) As described above, in the present invention, since the holding force of the fruit holder can be adjusted by the spring, the effect that the fruit can be reliably held regardless of its size is obtained.

In the present invention, the rotation of the roller integrated with the fruit holder is regulated by the same spring as described above. Is obtained.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram to which an embodiment of the present invention is applied, and FIG. 2 is a front view of a fruit pinching and reversing mechanism. A: fruit removing device, B: bag removing device, C: sorting device, a: fruit, 6: roller, 7: fruit holder, 9: roller shaft, 10: shaft cylinder, 14 ... Contact piece.

Claims (1)

(57) [Claims] 1. A downward fruit from which bag removal has been completed by a bag removing device is transported while holding the left and right sides of each fruit holder integrated with a pair of left and right rollers, and the rollers are brought into contact with a reversing rubber during the transportation. In the bag removing fruit reversing device that rotates the fruit holder upside down by rotating halfway around each roller shaft as a fulcrum and transferring the reversed fruit to a sorting device, a spring is inserted through the outer circumference of the shaft cylinder of each roller shaft. And a fruit pinching and reversing mechanism in which both ends of the spring are in contact with the back surface of the roller and the contact pieces provided on the shaft cylinder, respectively.