JPH0738260Y2 - Conveyor goods sorting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an apparatus for sorting articles on a conveyor.

[Prior Art] Conventionally, pusher type, diver type, embossing roller type, embossing belt type, and the like are known as devices for sorting articles in the middle of a conveyor line. There are merits and demerits in structure, operation, efficiency, price, etc.

[Problems to be solved by the invention] Especially, in the case of the floating belt type, since the belt simply rises horizontally, the tubular article rolls in the direction opposite to the ejection direction when ejecting, and ejects thin or large articles. In the case of, there was a drawback that it was easy to tilt and the center of gravity moved and it could not be discharged smoothly.

Therefore, the present invention has been made in view of the problems of the above-mentioned floating belt type, and has been made to improve this problem. In sorting and discharging, articles do not roll in the opposite direction or tilt. The purpose is to obtain a sorting device that can discharge smoothly and reliably.

[Means for Solving the Problems] A conveyor-based article sorting apparatus according to the present invention has a sorting conveyor disposed between straight-running roller conveyors, and the sorting conveyor includes straight-running roller groups that transport articles in a straight-running direction and straight-running rollers. Discharging belts are arranged between each roller of the group, and the discharging belts are switchably driven so that the articles can be sorted and conveyed to the respective discharging ports installed at the left and right ends of the sorting conveyor, and the discharging belts can be used. Connect the tilting mechanism,
The tilting mechanism consists of screwing a screw shaft supported by a pedestal to a driven body, while projecting a pin on a movable conveyor frame with a discharge belt, and sliding the pin into a long hole provided on the fixed conveyor frame. The movable conveyor frame is mounted on a guide having a guide block, and the tilting mechanism allows the discharge belt to move up and down with respect to the rectilinear roller group to the retracted position and the protruding position, and the discharging belt is moved at the protruding position. It is characterized in that it is tilted to the left and right so as to tilt in the discharge direction.

[Embodiment] An embodiment of the present invention shown in the drawings will be described in detail below.

A plurality of linear roller conveyors 1 are linearly arranged at intervals to install a sorting conveyor 4 which will be described later, to form a linear transfer line. A transporting roller 2 is attached to each of the linear roller conveyors 1 and is driven by a driving device (not shown) so that the article is transported in the transporting direction. Further, a sensor 3 for detecting the presence or absence of a conveyed article and sending a signal to an electric control device is arranged on the side surface of each straight-ahead roller conveyor 1.

The sorting conveyor 4 has a straight-moving roller 5 and a discharge belt 13, and a plurality of the straight-moving rollers 5 are supported by a fixed conveyor frame 7 standing on a fixed pedestal 6 at intervals in the straight-moving direction. A drive roller 8, a tail roller 9, and a snap roller 10 are attached to the fixed conveyor frame 7 as a means for rotationally driving, and a conduction belt 11 is provided between these rollers.
And the driving roller 11 presses the conductive belt 11 against the linear roller 5 to drive the conductive belt 11 to rotate the linear roller 5 in the linear conveying direction P. The discharge belt 13 is attached to the movable conveyor frame 14 so as to be arranged between the rollers 5 of the straight-moving roller 5 group, and also to the drive roller 15, the head / tail roller 16 at both ends, and the snap roller 17 attached to the movable conveyor frame 14. A discharge belt 13 is configured by hanging the belt, and a forward / reverse rotatable motor 18 fixed to a movable conveyor frame 14 and a drive roller 15 are connected via a transmission device 19 to form a discharge belt.
13 is rotationally driven in the direction of arrow L or R in FIG. Furthermore, the discharge belt 13 is a head and tail roller 16 at both left and right ends.
The upper stretched portion between them is horizontally arranged at a position where it does not protrude from the upper surface of the straight advance roller 5. Further, the movable conveyor frame 14 to which the discharge belt 13 is attached has pins 20 projecting from the left and right ends slidably fitted in the long holes 21 provided in the fixed conveyor frame 7, and the lower surface of the movable conveyor frame 14 from the center O or the like. Install guide rollers 22R and 22L at the intervals.

On the other hand, a tilting mechanism 23 for tilting the movable conveyor frame 14 is installed on the frame 6. This tilting mechanism 23 is provided with two motors, a forward rotation motor 24 and a reverse rotation motor 25, each with a clutch / brake, so as to perform forward and reverse rotations instantly. It is connected to the screw shaft 27 supported by the pedestal 6 via the, and the screw shaft 27 is driven so as to be capable of forward and reverse rotation. Also screw shaft 27
A driven body 28 attached to a bracket 31 is screwed onto the bracket 31, and the bracket 31 is slidably mounted on a ball slide 30 on a slide base 29 installed in the left-right direction of the frame 6. The bracket 31 is formed with a guide 32 on which the left and right guide rollers 22R, 22L mounted on the lower surface of the movable conveyor frame 7 are placed and rolled, and the guide 32 is narrower than the space between the left and right guide rollers 22R, 22L. The guide blocks 33R and 33L are provided so as to protrude from each other at intervals, and each guide block 33R
Each of R and 33L has a horizontal upper surface 34, an inclined surface 35 that descends toward the left and right ends, and a recess 36 at the lower end thereof.
One of the 22R and 22L rides on one of the guide blocks 33R and 33L, thereby tilting the movable conveyor frame 14 to the left or right.

The discharge port 37 is formed of a roller chute or the like, and is installed so as to be connected to the left and right ends of the sorting conveyor 4 in a direction orthogonal to the straight-forward conveyance direction P.

The sorting operation by the sorting apparatus of the present invention configured as described above will be described. For the articles placed on the straight roller conveyor 1, the transport roller 2 of the straight roller conveyor 1 and the straight roller 5 of the sorting conveyor 4 are rotationally driven. Thus, the paper is conveyed on the straight conveyance line in the straight conveyance direction P. At that time, the discharge belt 13 of the sorting conveyor 4 is guided by both guide rollers 22 of the movable conveyor frame 14 indicating this.
Since R and 22L have fallen into the recesses 36 of both guide blocks 33R and 33L, they are in a state of being immersed from the straight-ahead roller 5,
Does not interfere with the straight transfer of goods. Next, in order to sort the conveyed articles to the R ₁ side discharge port 37 which is continuously provided on the right side of the first sorting conveyor 4, the sensor 3 that the conveyed articles are sent from the linear roller conveyor 1 to the sorting conveyor 4 Is detected, the forward rotation motor 24 clutch is engaged,
Rotate the screw shaft 27 in the forward direction via the transmission device 26,
The driven body 28 screwed to this is moved to the right in FIG. 2, and the bracket 31 and both guide blocks 33R and 33L integrated with the driven body 28 are also ball slides 30 of the slide base 29.
Move the top to the right. Both guide rollers 22R and 22L of the movable conveyor frame 14 are placed on the guides 32 of the bracket 31, but the movable conveyor frame 14 is moved in the left-right direction by the pin 20 fitted into the long hole 21 of the fixed conveyor frame 7. The guide roller 22R on the right side climbs up the inclined surface 35 of the right guide block 33R and rides on the upper horizontal surface 34, while the guide roller 22L on the left side is fixed on the left side. Guide from recess 36 of guide block 33L
Rolls up to 32. This allows the movable conveyor frame 14
Also, the discharge belt 13 incorporated therein tilts to the left while rising as shown by the dashed line in FIG.
The upper end of 13 is projected to the upper surface by the straight advance roller 5 to form an inclined surface on the upper right side. The angle α of the inclined surface is about 5 °
It is a degree. At the same time, the discharge belt 13 drives the drive roller 15 by the rotation of the motor 18 and rotates the discharge belt in the direction of arrow R, so that the articles conveyed on the sorting conveyor 4 are discharged by the discharge belt 13 on the R ₁ side. It is discharged to the exit 37 and sorted.

On the contrary, when the article is discharged to the L ₁ side discharge port 37 in FIG. 1, the clutch of the reversing motor 25 is put in, the screw shaft 27 is rotated in the opposite direction, and the bracket is passed through the driven body 28.
By moving 31 to the left, both guide blocks 33
Slide R, 33L to the left to guide the left guide roller 22L.
Is placed on the upper horizontal surface 34 of the left guide block 33L, the movable conveyor frame 14 and the discharge belt 13 rise while forming an inclined surface to the left as shown in FIG. By further projecting and rotating the discharge belt 13 in the direction of the arrow L by the reverse rotation of the motor 18, the articles are conveyed by the discharge belt 13 and discharged to the L ₁ side discharge port 37 to be sorted.

Further, in order to send the article again in the straight traveling direction P, both guide blocks 33R, 33L are returned to the positions on the center O side, both guide rollers 22R, 22L are dropped into the recesses 36, 36, and the discharge belt 13
Is lowered horizontally into the straight advance roller 5, the articles on the sorting conveyor 4 are conveyed in the straight advance direction P by the feed of the straight advance roller 5.

The linear roller conveyor 1 in this embodiment may be a belt conveyor.

Further, the discharge port 37 may be connected to another transfer conveyor line instead of the roller chute.

[Effects of the Invention] The tilting mechanism of the present invention has a screw shaft 27, a pin 20 and an elongated hole.
Since it is performed by the engagement of 21, the hydraulic cylinder or air cylinder, equipment such as a lifter is not necessary at all, and the structure is simple, which contributes to cost reduction.

When the discharge belt 13 moves up and down to the retracted position and the protruding position, the pin 20 of the movable conveyor frame 14 moves up and down while being guided by the long hole 21, so that a reliable operation is ensured.

[Brief description of drawings]

FIG. 1 is a plan view of an embodiment of the present invention, FIG. 2 is a side view of the sorting conveyor section which can be partially cut, and FIG. 1 ... Straight roller conveyor, 4 ... Sorting conveyor, 5
…… Straight roller, 6 …… Stand, 7 …… Fixed conveyor frame, 13 …… Discharge belt, 14 …… Movable conveyor frame, 15 ……
Drive roller, 16 …… Head and tail roller, 17 ……
Snap roller, 18 ... motor, 20 ... pin, 21 ...
… Long hole, 22R, 22L …… Guide roller, 23 …… Tilt mechanism, 24 …… Forward rotation motor, 25 …… Reverse rotation motor, 27
…… Screw shaft, 28 …… Driven object, 29 …… Slide base, 30 …… Ball slide, 31 …… Bracket, 32 ……
Guide, 33R, 33L …… Guide block, 34 …… Top horizontal surface, 35 …… Inclined surface, 36 …… Concave, 37 …… Discharge port

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display area // B65G 47/54 A

Claims (1)

[Scope of utility model registration request] 1. A straight conveyor 5 having a sorting conveyor 4 disposed between the straight traveling roller conveyors 1 and 1 for transporting articles in a straight traveling direction to the sorting conveyor 4, and a discharge belt between each of the straight traveling rollers 5 group. 13 and the discharge belt 13
The respective outlets 37 installed on the left and right ends of the sorting conveyor 4
The articles are sorted and conveyed so that they can be forward-reversely switched, and the tilting mechanism 23 is connected to the discharge belt 13. The tilting mechanism 23 uses the screw shaft 27 supported by the pedestal 6 to move the driven body 28.
On the other hand, the pin 20 is projected to the movable conveyor frame 14 to which the discharge belt 13 is attached, and the pin 20 is slidably fitted into the long hole 21 provided in the fixed conveyor frame 7 so that the movable conveyor frame 14 is fixed. The discharge belt 13 is mounted on a guide 32 having guide blocks 33R and 33L.
An article sorting apparatus using a conveyor, which is operable to move up and down with respect to a group in a retracted position and a projecting position, and in which the discharging belt 13 is switched and tilted right and left so as to tilt in the discharging direction at the projecting position.