JPH0687337U - Article carrier - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide an article transporting device having an extremely simple structure that can transport even easily deformable articles such as cardboard boxes without deforming. [Structure] A traveling vehicle 14 that is horizontally movable above the roller conveyor 2 and an elevating frame 15 that is vertically movable on the traveling vehicle 14 are provided, and a lifting basket 20 is provided on the elevating frame 15. The hanging basket 20 is provided at a main body 21 that is open in the conveying direction of the roller conveyor 2 and at the lower side, and at a lower portion of the main body 21 at a pitch equal to or substantially equal to the mounting pitch of the rollers 4, and is fitted between the rollers 4. And a plurality of bottom bars 22 to be inserted.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an article transport device.

[0002]

[Prior art]

 Conventionally, the following items are known as an item transfer device for transferring an item that has been conveyed to the front end of a roller conveyor provided on the floor. In other words, above the front end of the roller conveyor, the elevating frame that is horizontally movable and vertically movable, and between the rollers that are horizontally movable in the direction parallel to the axis of the roller on this elevating frame. It is known to have a plurality of movable forks that enter and a pressing plate that is located above these forks and that is vertically movable on the ascending / descending frame (Japanese Patent Laid-Open No. 58-130). , 824).

[0003]

[Disadvantages of the prior art]

 The conventional article transporting device has the following drawbacks. That is, firstly, since a complicated device for actuating the fork and the pressing plate is required, there are drawbacks that the cost is high and the maintenance is difficult. Secondly, since the article is conveyed while being sandwiched by the fork and the pressure plate from above and below, the pressure plate operating cylinder and the like are held in an activated state so that the pressure plate always and surely presses the article during that time. However, if the article is easily deformed, such as a cardboard box, the article may be deformed by the pressing force of the pressing plate during transfer, and the deformation may cause the article to move up and down. There was a drawback that the pinching force of was reduced and it might fall.

[0004]

[Means for eliminating the above drawbacks]

 The present invention adopts the following means in order to solve the above drawbacks. The invention of claim 1 has a moving base that is horizontally movable above the roller conveyor, and an elevating frame that is vertically movable on the moving base, and the elevating frame is provided with a hanging basket. The hanging basket is provided with a main body that is open in the direction of conveyance of the roller conveyor and downward, and a pitch below or equal to the mounting pitch of the rollers at the bottom of this main body. And have. According to a second aspect of the present invention, the elevating frame is provided with a guided portion guided by a guide member on the ground side. According to a third aspect of the present invention, a non-slip elastic body is provided on the upper edge of the bottom bar.

[0005]

[Function of the device]

 The invention of claim 1 has the following effects. The movable table is stopped above a predetermined position of the roller conveyor, and the elevating frame is lowered so that the upper edge of the bottom bar is located below the transport surface of the roller conveyor. Although the article is conveyed to a predetermined position by the roller conveyor, the article is conveyed to a position above the bottom crosspiece because the bottom crosspiece is located below the conveyance surface. After that, when the lifting frame is raised, the articles are picked up by the hanging basket. The invention of claim 2 has the following effects. When the elevating frame descends, the guided part of the elevating frame is guided by the guide member on the ground side and stops at a predetermined position. The invention of claim 3 has the following effects. The article is held at a predetermined position by the non-slip elastic body during starting / stopping and during transportation, and the article is prevented from being displaced.

[0006]

【Example】

 The present invention will be described below based on the embodiments shown in the drawings. In this embodiment, the front / rear / left / right of the roller conveyor is based on the conveying direction, and the front / rear / left / right is based on the conveying direction of the overhead article conveying device. In short, the front and rear and left and right differ depending on the members to be described. As shown in FIG. 1, a roller conveyor 2 is provided on a floor surface 1, and this roller conveyor 2 has a pair of left and right side walls 3 on which rollers 4 are rotatably passed at predetermined intervals. These rollers 4 are adapted to be rotated by a drive device (not shown). The envelope surface of the upper end of the group of these rollers 4 is the transport surface 5. A stopper 6 is provided upright in front of the frontmost roller 4 of the roller conveyor 2.

A guide rail 13 is provided on the ceiling 11 via a suspending tool 12 so as to pass above the front portion 7 of the roller conveyor 2, and a traveling vehicle 14 (in the claims) is provided along the guide rail 13. A movable table is movably suspended, and an elevating frame 15 is provided on the traveling vehicle 14 so as to be vertically movable by an elevator 16. The elevator 16 has a lifting belt 17, a winding drum 18 thereof, and the like. ing.

As shown in FIGS. 1 and 2, the lifting frame 15 is provided with a hanging basket 20. The hanging basket 20 is a frame-shaped main body provided on the lifting frame 15 and opened in the left-right direction and downward. 21, a plurality of bottom bars 22 fitted between the rollers 4 and fixed to the lower part of the main body 21 at a pitch equal to or almost equal to the mounting pitch of the rollers 4, and the left and right sides of the group of bottom bars 22. On the other hand, there is a drop prevention bar 23 fitted between the rollers 4 and fixed to the main body 21 at a pitch equal to or almost equal to the mounting pitch of the rollers 4.

The bottom bar 22 has a pair of front and rear hanging parts 22a and a horizontal part 22b connected to the lower ends of the hanging parts 22a. The fall prevention bar 23 has a pair of front and rear hanging parts. 23a and a horizontal portion 23b connected to the lower ends of the hanging portions 23a so that the upper edge of the horizontal portion 23b of the fall prevention bar 23 is located above the upper edge of the horizontal portion 22b of the bottom bar 22. Has been done. A plurality of sets of recessed step portions 25 into which articles W of different sizes are inserted are formed on the horizontal portion 22b of the bottom bar 22, and both side edges of the recessed step portions 25 are tapered edges 25a which are expanded upward. ing. Note that the recessed step portion 25 may not be formed on the horizontal portion 22b.

Further, a non-slip elastic body 26 having a U-shaped cross section is attached to the upper edge of the horizontal portion 22b of the bottom bar 22 and the opposite edges of the hanging portion 22a. The elastic body 26 may not be attached, and the elastic body 26 may not be attached only to the tapered edge 25a. An elastic body 27 having a U-shaped cross section is attached to the upper edge of the horizontal portion 23b of the fall prevention bar 23 and the opposite edges of the hanging portion 23a.

A pair of guide rails 34 for guiding the article W are provided at the bottom of the main body 21.

Guide cylinders 28 (guided portions in the claims) having downwardly expanding tapered holes 29 are provided on the front and rear sides of the elevating frame 15. In addition, a pair of left and right vertical bars 30 that fit into the guide cylinder 28 are erected on the side wall 3 of the front portion 7. A fitting member 31 having a tapered peripheral surface 32 that is fitted / fitted into the tapered hole 29 is provided on the vertical rods 30 so that the position thereof can be changed. The vertical rod 30 and the fitting member 31 constitute a ground-side guide member in the claims. With such a configuration, the vertical rod 30 is fitted to the guide cylinder 28, and the tapered peripheral surface 32 and the tapered hole 29 are aligned and fitted to each other, thereby accurately determining the position of the elevating frame 15 with respect to the roller conveyor 2. Can be done.

[0013]

[Operation of the embodiment]

 Next, the operation of the embodiment will be described. When the hanging basket 20 is emptied, the traveling vehicle 14 moves to the upper part of the front portion 7 of the roller conveyor 2, the bottom rail 22 and the left fall prevention rail 23 are located right above the rollers 4, and the right rail When the fall prevention bar 23 is located right above the stopper 6, it stops. After that, the elevating frame 15 starts to descend, and stops when the tapered peripheral surface 32 of the fitting member 31 is aligned and fitted in the tapered hole 29. In this state, the fitting member 31 is arranged so that the anti-slip elastic body 26 of the horizontal portion 22b of the bottom rail 22 and the elastic body 27 of the horizontal portion 23b of the left fall prevention rail 23 are located below the transport surface 5. The height of is adjusted. After that, the article W is conveyed to the front portion 7 by the roller conveyor 2, but the slip prevention elastic body 26 of the horizontal portion 22b of the bottom rail 22 and the elastic body 27 of the horizontal portion 23b of the left fall prevention rail 23 are provided. Is located below the transport surface 5, the article W is transported to a position above the horizontal portion 22b of the bottom bar 22 group and stops there. Then, since the elevating frame 15 rises, the article W is picked up by the hanging basket 20. At that time, the article W is guided by the tapered edge 25a of the recessed step portion 25 corresponding to the size of the article W to be supported on the bottom portion of the recessed step portion 25, and the fall prevention bar 23 prevents the article W from falling in the left-right direction. To be done. Then, when the elevating frame 15 rises to the uppermost position, the traveling vehicle 14 starts traveling and travels to the unloading station, where the article W is transferred to the roller conveyor having the same structure as the roller conveyor 2 in the reverse manner. It is lowered by the operation.

[0014]

[Effect of device]

 The present invention has the following effects with the above-described configuration. According to the invention of claim 1, since the articles are picked up by the bottom crosspiece of the hanging basket, no moving parts are required, the structure is extremely simple, the cost is low, and the maintenance is easy. is there. According to the invention of claim 1, since the article is not clamped from above and below, even an easily deformable article such as a cardboard box can be reliably transported by supporting the bottom of the article without deforming it. . According to the invention of claim 2, the elevating frame can be stopped at a predetermined position, and the articles can be delivered without fail. According to the invention of claim 3, the article does not move back and forth during starting / stopping of the movable table or during transportation, and the article can be surely prevented from slipping off.

[Brief description of drawings]

FIG. 1 is a side view of a partially crushed embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a perspective view of a main part.

[Explanation of symbols]

 2 Roller conveyor 4 Roller 14 Traveling vehicle (moving platform) 15 Lifting frame 20 Hanging basket 21 Main body 22 Bottom crosspiece 26 Non-slip elastic body 28 Guide tube (guided portion) 29 Tapered hole 30 Vertical bar (ground side guide member) 31 Fitting member (ground side guide member)

Claims (3)

[Scope of utility model registration request] 1. A moving table which is horizontally movable above a roller conveyor, and an elevating frame which is movable up and down on the moving table, and a lifting basket is provided on the elevating frame.
This hanging basket has a main body that is open in the transport direction and the lower part of the roller conveyor, and a plurality of bottom bars that are provided at the lower part of the main body at a pitch equal to or almost equal to the mounting pitch of the rollers and fit between the rollers. An article transporting apparatus having. 2. The article conveying apparatus according to claim 1, wherein the elevating frame is provided with a guided portion guided by a guide member on the ground side. 3. The article conveying apparatus according to claim 1, wherein an anti-slip elastic body is provided on an upper edge portion of the bottom bar.