JP2835703B2 - Moving shoe in sorting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sorting device for moving a slat in a predetermined direction so as to convey a placed article and pressing the article by a moving shoe to sort the slat from the slat in a predetermined direction. More particularly, the present invention relates to a structure of a moving shoe for preventing breakage of articles and devices.

[0002]

2. Description of the Related Art Conventionally, as a sorting apparatus suitable for sorting articles having different outer shapes and sizes, a large number of slats are moved in a predetermined direction to transport articles placed on the slats, and a moving shoe is provided. Are moved along the slats, and the articles on the slats are pressed at predetermined positions for each article and discharged to the side in the transport direction, and are sorted.

The moving shoe 70 of such a sorting device is
As shown in FIG. 8, a cap portion 76 is fixed to an upper portion of a slide portion 74 movably supported by a slat 72. The moving shoe 70 moves in the direction of the arrow and presses the article 78 on the slat 72 with the cap portion 76. As a result, the article 78 is discharged laterally from the transport path formed by the slats 72.

[0004]

However, the article 7
9 is pressed by the moving shoe 70, the article 78 is shifted to the position shown in FIG. 9 due to slippage or the like, and the article 78 is moved between the moving shoe 70 pressing the article 78 and the moving shoe 70a at the sorting end position. May be pinched. In this case, since the pressing portion 76a of the cap portion 76 rises vertically, there is a problem that the sandwiched article 78 is damaged. Also,
There is a problem that an impact force acts on each of the moving shoes 70, 70a sandwiching the article 78, thereby damaging the moving shoes 70, 70a and the slats 72. As described above, when the moving shoes 70, 70a and the slats 72 are damaged, it is necessary to stop the operation of the sorting device, so that the working efficiency is reduced.

Accordingly, an object of the present invention is to solve the above-mentioned problems of the prior art, and to prevent damage to an article and damage to a moving shoe and a slat even when an article is pinched between moving shoes. It is an object of the present invention to provide a moving shoe in a sorting device capable of performing the above.

[0006]

The above object of the present invention is achieved by the following constitution. [1] The mounted article (10) is transported by moving the slat (20) in the transport direction (A), and the article is pressed by the moving shoe (30) on the slat (20). Moving shoe in a sorting device that sorts in a predetermined direction from
Te, the leading end of the pressing portion of the movable shoe (30) and (36, 37) is formed on the inclined surface of a specific angle (theta) with respect to the horizontal direction, and the pressing portion for pressing the article (36, 37)
Comb-shaped teeth (36a, 37a) on the portions (36b, 37b)
The comb-shaped teeth (36a, 37a) are formed
Guide groove (20) formed in the surface (20b) of the
a) and positioned below the slat surface
Configuration and then, the article the article of the upper slat (20) during the pressing by the pressing portion of the specific angle (36, 37) is, in other
The moving shoe in the sorting device, wherein the article can be ridden on the pressing portion (36, 37) when it comes into contact with the moving shoe (30a) or the like .

[0007]

According to the present invention, the pressing portion of the moving shoe is formed on an inclined surface having a specific angle, and when the article comes into contact with an obstacle while the article on the slat is being pressed by the pressing portion having the specific angle. It is possible to ride on the pressing part. Therefore, even when the articles are sandwiched between the moving shoes, the articles ride on the moving shoes, so that a static load of a certain value or more can be prevented from acting on the moving shoes and the articles.

Further, according to the present invention, the moving shoe has comb-shaped teeth formed at the distal end of the pressing portion, and the comb-shaped teeth are fitted into the guide grooves formed on the surface of the slat, thereby forming the surface of the slat. By positioning it below, even when the article is a thin piece of mail, the comb-like teeth of the moving shoe are inserted under the thin piece of mail, so that the thin piece of mail enters the lower side of the moving shoe. To prevent the thin mail from being pushed by the moving shoe.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a moving shoe in a sorting apparatus according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a plan view of a sorting device using the moving shoe of the present invention, FIG. 2 is a sectional view showing the moving shoe 30, and FIG. 3 is a plan view showing a diverting unit of the sorting device. In FIG. 1, articles 10 are respectively placed on the upper surfaces of a plurality of slats 20 provided along conveyor frames 11 provided on both sides of a sorting device.
Is transported upward (transport direction A) in the figure. The article 10 is pressed at a predetermined position (sorting position) of each article 10 by the movement of the moving shoe 30 in the longitudinal direction (the left-right direction in the figure) of the slat 20, and is laterally moved from above the slat 20 in the transport direction A. It is discharged and sorted.

Link plates 21 are attached to both ends of the slats 20 in the longitudinal direction, respectively, and the slats 20 are connected to the chains 2 provided on both sides of the conveyor frame 11 via the link plates 21 respectively.
2 are connected. The chains 22 are wound around respective sprockets (not shown) provided on both sides of the sorting device, and are moved by rotation of the respective sprockets. On the outside of the link plate 21, a traveling wheel 23 is provided rotatably in a vertical state,
A side guide wheel 24 is provided rotatably in a horizontal state.

That is, when the side guide wheels 24 are guided by the conveyor frame 11 and the traveling wheels 23 travel along the conveyor frame 11, the chains 22 and the link plates 21 move in the transport direction with the rotation of the sprockets. Move to A and slat 20
In the same direction.

The moving shoe 30 surrounds the slat 20 with a lower slide 31 and an upper slide 32, as shown in FIG.
Move along zero. A guide pin 34 is fixed to a lower portion of the lower slide 31 via a connecting member 33 in a vertically extended state.
5 is rotatably supported in a horizontal state. When the articles are not sorted, the guide roller 35 moves along the main rail 41 of the divert unit 40 shown in FIG. 3 (see reference numeral 35a in the figure).

On the other hand, when articles are sorted at sorting positions,
The electromagnet 43 is excited based on the detection signal of the guide roller 35 by the sensor 44, and the guide roller 35 moving along the main rail 41 receives the magnetic action of the electromagnet 43 and changes the course into the branch rail 42 (FIG. Reference numeral 35b). The guide roller 35 whose course has been changed into the branch rail 42 receives the magnetic action of the permanent magnet 45 and
(See reference numeral 35c in the figure), and moves along the branch rail 42 (see reference numeral 35d in the figure). This allows
As shown in FIG. 1, the moving shoe 30 moves rightward along the slat 20, and the articles 10 pressed by the moving shoe 30 are discharged to the right side of the slat 20 and sorted.

As shown in FIG. 4, the surface of the upper slide 32 of the moving shoe 30 is formed in a substantially triangular pyramid shape with left and right pressing inclined portions 36, 37 and a front inclined portion 38. However, the upper slide 32 is different from a triangular pyramid in that a rear inclined portion 39 is formed. Comb-shaped teeth 36a are formed at equal intervals at the tip 36b of the right pressing inclined portion 36,
6a is a guide groove 20a formed on the surface of the slat 20.
(See FIG. 2). Thereby, the teeth 36a
Are located below the surface 20b of the slat 20. In addition, the right pressing inclined portion 36 is provided on the surface 20 b of the slat 20.
(See FIG. 2).

The inclination angle θ of the right pressing inclined portion 36 with respect to the horizontal plane is expressed by the following equation (1). F = W / 2 · (μcosθ + sinθ) cosα (1) However, as shown in FIG. 6, F: pressing force acting on the article 10 W: weight of the article 10 μ: friction coefficient of the right pressing inclined portion 37 α: Angle of inclination of article 10 where W = 50 kg, μ = 1.0, θ = 40 ° and α
If = 0, F = 35 kg. When the inclination angle θ of the right pressing inclined portion 36 is set to 40 ° in this manner,
When a pressing force of 35 kg acts on the article 10, the article 10 rides on the right pressing inclined portion 37. Therefore, when discharging the article 10 having the weight W of 50 kg by the moving shoe 30,
Since the force of 35 kg or more does not statically act on the right pressing inclined portion 36, the moving shoe 30 and the slat 20 are not damaged. Further, since no force of 35 kg or more acts on the article 10 statically, the article 10 is not damaged.

On the other hand, when the article 10 is normally sorted by the moving shoe 30, as shown in FIG. 7, the force F1 received by the article 10 from the slat 20 is expressed by the following equation (2). F1 = W / 2 · μ1 (2) Here, as shown in FIG. 7, F1: frictional force acting on the article 10 μ1: friction coefficient of the slat 20 Here, the article 10 is pressed and moved by the moving shoe 30 The condition to be satisfied is F> F1. Therefore, μ = 0.8, θ
= 40 °, α = 0 and μ1 = 0.3, F>
Since the relationship of F1 is established, when the articles 10 are normally sorted, the articles 10 are pushed out in the discharge direction by the moving shoes 30 without riding on the right pressing inclined portion 36 of the moving shoes 30.

Since the left and right pressing inclined portions 36 and 37 are formed symmetrically with each other, the left pressing inclined portion 3
7 are formed in the same manner as the right pressing inclined portion 36. As shown in FIG. 5, the inside of the upper slide 32 is formed in a hollow shape, and is reinforced by a rib 32a. Pressing inclined parts 36, 3
7, the weight of the articles 10 to be sorted and the
In consideration of the dynamic friction coefficient based on 0 and the material of the upper slide 32, when a pressing force equal to or more than the set value acts on the pressing inclined portions 36, 37, the article 10 always climbs on the pressing inclined portions 36, 37. Set to an appropriate value.

The operation of the moving shoe in the sorting apparatus of the present invention having the above-described structure will be described. First, each of the sprockets supported on both sides of the sorting device is rotated to rotate around the chain 22, and the traveling wheel 23 is caused to travel along the conveyor frame 11 while guiding the side guide wheels 24 by the conveyor frame 11. . This allows
The slat 20 moves in the transport direction A, and the article 10 placed on the slat 20 is transported together with the slat 20 in the transport direction A.
Go to

Next, when the article 10 is conveyed to the discharge position, the sensor 44 of the diverter unit 40 detects the guide roller 35, and the electromagnet 43 is excited based on the detection signal output from the sensor 44. As a result, the guide roller 35 moving along the main rail 41 is
Of the branch rail 42 by the magnetic action of Then, the guide roller 35 whose course has been changed into the branch rail 42 is introduced into the branch rail 42 by the magnetic action of the permanent magnet 45 and moves along the branch rail 42.
As a result, the moving shoe 30 moves rightward along the slat 20, and the tip 36 b of the right pressing inclined portion 36 of the moving shoe 30 comes into contact with the article 10.

In this case, the weight W of the article 10 is 50 kg,
The inclination angle θ of the right pressing inclined portion 36 of the moving shoe 30 is 40
°, the relationship of F> F1 is established, so that the article 10
Is pushed out in the discharge direction by the moving shoe 30 without riding on the right pressing inclined portion 36 of the moving shoe 30.

As described above, when the article 10 is pushed out by the moving shoe 30, the article 10 slips, and the article 10 shifts, so that the sorting is completed with the moving shoe 30 pressing the article 10. The article 10 may be sandwiched between the moving shoe 30a at the position (see FIG. 1). In this case, the force F that the article 10 receives from the moving shoe 30a is 3
When the weight increases to 5 kg, the article 10 rides on the right pressing inclined portion 36 of the moving shoe 30. Therefore, since the force of 35 kg or more does not statically act on the right pressing inclined portion 36, it is possible to prevent the moving shoe 30 and the slat 20 from being damaged. Further, since only a force of 35 kg or more acts on the article 10 statically, it is possible to prevent the article 10 from being damaged.

In the above-described embodiment, the case where a relatively heavy article 10 such as a box is discharged has been described. However, the present invention is not limited to this, and the moving shoe of the present invention can be applied to a case where the article is a thin mail. it can. Hereinafter, a case where thin mail is sorted by the moving shoe of the present invention will be described. First, when a thin postal matter is conveyed to the sorting position by the slat 20, the moving shoe 30 moves rightward along the slat 20,
Comb-shaped teeth 36a of the right pressing inclined portion 36 of the moving shoe 30
Is inserted under the thin mailpiece. Next, the tip portion 36b of the right pressing inclined portion 36 comes into contact with the article 10. Thus, the thin mail is prevented from entering below the tip portion 36b, and the thin mail is reliably pressed by the moving shoe 30. Therefore, even if the article 10 is a thin postal matter, it can be sorted reliably.

[0024]

As described above, according to the moving shoe in the sorting device according to the present invention, the pressing portion of the moving shoe has
Formed on an inclined surface at a specific angle with respect to the horizontal direction, and
A comb-shaped tooth at the tip of the pressing part is formed on the surface of the slat.
And located below the slat surface
When goods are sandwiched between moving shoes
However, the comb teeth are inserted under the article and the article is moved.
It is possible to get on the moving shoe and prevent a static load of a certain value or more from acting on the moving shoe or the article. Therefore, even when a problem such as an article being sandwiched between the moving shoes occurs, it is possible to prevent damage to the article and damage to the moving shoe and the slat.

Further, according to the present invention, even when the article is a thin piece of mail, the comb-like teeth of the moving shoe are inserted under the thin piece of mail. The thin mail is securely pressed by the moving shoe while preventing the entry of the mail. Therefore, even when the article is a thin postal matter, the article can be surely sorted by the moving shoe.

[Brief description of the drawings]

FIG. 1 is a plan view of a sorting device using a moving shoe in a sorting device according to the present invention.

FIG. 2 is a sectional view showing a moving shoe in the sorting apparatus according to the present invention.

FIG. 3 is a plan view showing a divert unit of the sorting apparatus of FIG.

FIG. 4 is a plan view showing a moving shoe in the sorting device according to the present invention.

FIG. 5 is a side view showing a moving shoe in the sorting device according to the present invention.

FIG. 6 is an explanatory diagram illustrating the operation of the moving shoe in the sorting device according to the present invention.

FIG. 7 is an explanatory diagram illustrating the operation of the moving shoe in the sorting device according to the present invention.

FIG. 8 is a side view showing a moving shoe in a conventional sorting device.

FIG. 9 is a plan view of a sorting device using a moving shoe in a conventional sorting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Article 20 Slat 20a Guide groove 20b Surface of slat 30 Moving shoe 30a Moving shoe (obstacle) 36 Right pressing inclined part (pressing part) 36a Comb-shaped tooth 36b Tip part A Transport direction θ Inclination angle (specific angle)

Claims (1)

(57) [Claims] 1. A slat (20) is transported by moving a slat (20) in a transport direction (A), and the slat (20) is pressed by a moving shoe (30). ) Sorting in a predetermined direction from above
In the moving shoe in the sorting device, a pressing portion of the moving shoe (30) for pressing the article.
(36, 37) is formed on the inclined surface at a specific angle (θ) with respect to the horizontal direction, and the tip of the pressing portion (36, 37)
Comb-shaped teeth (36a, 37a) are formed on (36b, 37b).
The comb-shaped teeth (36a, 37a)
The guide groove (20) formed on the surface (20b) of (20)
a) and positioned below the slat surface
Configuration and then, the article the article of the upper slat (20) during the pressing by the pressing portion of the specific angle (36, 37) is, in other
The moving shoe in the sorting device, wherein the article can be ridden on the pressing portion (36, 37) when it comes into contact with the moving shoe (30a) or the like .