JPS63123711A - Conveyer - Google Patents

Abstract

PURPOSE:To perform stable conveyance of an object, by using a pinion, chain and a roller cooperatively acting on three pulleys, driven by a single motor through a belt, and relatively moving three slide block on a main unit base. CONSTITUTION:If a device positions the first slide block (SB) 15 in a slide end of a main unit base 13, he second SB 19 in a slide end of the first SB 15 and the SB 25 in a slide end of the second SB 19, the third SB 25 moves to the bottom part of the a conveyed object 33. If the main unit base 13 rises, the conveyed object 33 is mounted onto the SB 25. If a motor 31 rotates, the device, rotating the first and second pinions 17, 23 and sprocket 28 and meshing the first pinion 17 with the first rack 14 and the second pinion 23 with the second rack 22, moves a chain 30, and the device moves the first SB 15 on the main unit base 13, second SB 19 on the first SB and the third SB 25 on the second SB 19. Next the main unit base 13 is lowered. In this way, stable conveyance of the object is performed in a short time by a single motor.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a conveying device that carries articles and moves them in a uniaxial direction.

Conventional technology Among uniaxial conveyance devices, conveyance devices that overhang the main body base, such as transferring goods to a shelf installed on a wall, have been increasingly used in automatic warehouses for goods in recent years. are doing.

An example of the conventional conveying device mentioned above will be described below with reference to the drawings.

FIG. 6 shows a schematic structure of a conventional conveying device.

In FIG. 6, 1 is a main body base, and 2 is a sub-base, which can be slid up and down with respect to the main body base 1 by means of a vertical cylinder 3 and a vertical slide shaft 4. Reference numeral 5 denotes a first slide block, which can be slid horizontally on the sub-base 2 by means of a first front-rear cylinder 6 and a slide shaft 7 supported on the sub-base 2. 8 is the second
A second front and rear cylinder 9 which is a slide block and is supported on the sub base 2. and 010, which can be horizontally slid on the sub-space 2 by the front and rear slide shafts 7, is a conveyor attached to the main body space 1;
The motor 11 operates horizontally.

The operation of the conveyance device configured as described above will be described below with reference to FIGS. 5 to 1Z.

First, as shown in FIG. 5, when the first slide block 6 moves below the transported object 12, the support base 2 is raised by the upper and lower cylinders 3, and the transported object 12 is placed on the first slide block 6. (Figure 6).

Next, the first slide block 5 is moved by the first front and rear cylinder 6.
When the conveyor 1o moves horizontally, the conveyed object 12 is transferred to above the end of the conveyor 1o (FIG. 7). Here, upper and lower cylinder 3
When the conveyor pace 2 descends, the conveyed object 12 is passed onto the conveyor 1o (FIG. 8). Next, when the conveyor 1° is operated by the motor 11, the conveyed object 12 is transferred to the conveyor 10.
The object 12 is then conveyed to the other end (Fig. 9). When the sub-base 2 rises again, the object 12 is moved onto the second slide block 8 (Fig. 9). Next, the object 12 is transferred to the second front and rear cylinder 9. When the second slide block 8 moves horizontally, the transported object 12 is transferred to the transport position (Fig. 10).Here, as the sub-base 2 is lowered, the transported object 12 is moved to the second slide. Get off from the top of block 8 and complete the transport (11th
Figure) 0 Problems to be Solved by the Invention However, in the above configuration, since the first slide block, conveyor, and second slide block are operated by separate drive sources, the structure including electrical control is difficult. The process is complicated, and since the conveyed objects are transferred from the first slide block to the conveyor and from the conveyor to the second slide block during conveyance, there are many unstable factors during conveyance, and conveyance takes time. It had some problems.

In view of the above-mentioned problems, the present invention provides a conveying device which has a simple structure and can realize stable conveyance in a short time.

Means for Solving the Problems In order to solve the above-mentioned problems, the conveying device of the present invention has a first rack that is held slidably in a uniaxial direction relative to the main body pace and fixed to the main body pace. a first slide block having a first pinion that meshes with the first slide block; and a second radius that is slidably held in the axial direction with respect to the first slide block and has a second radius that meshes with a second pinion provided on the first slide block. a third slide block that is slidably held in the axial direction with respect to the second slide block and connected to a chain that moves by a sprocket provided on the first slide block;
The drive motor is fixed to the slide block and provides rotational drive to a first pinion, a second pinion, and the sprocket.

Effects According to the above-described configuration, the present invention has a simple structure including electric control because the drive source for conveyance is only one drive motor. In addition, since the object to be transported is transported while being placed on the third slide block without being handed over, the unstable factors during transport are reduced and the transport time is also reduced.

Embodiment Hereinafter, a conveying device according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 shows the structure of a conveying device in an embodiment of the present invention. In Figure 1, 13 is the main body pace, 1
4 is a first rack fixed to the main body pace 13. 1
A first slide block 6 is held by a linear guide 16 so as to be slidable in one axis direction on the main body pace 13. 17 is a first pinion that meshes with the twelfth hook 14, and a first pinion held by the first slide block 16.
It is installed on the same axis as the pulley 18. Reference numeral 19 denotes a second slide block, which is held slidably in the axial direction by a first rail 21 guided by a first V roller 2o installed on the first slide block 15.

22 is a second rack fixed to the second slide block 19. 23 is a second pinion that meshes with the second rack 22, and a second pinion held by the first slide block 15.
It is installed on the same axis as the pulley 24. A third slide block 26 is held slidably in the axial direction by a second roller 27 running on a second rail 26 fixed on the second slide block 19. .

28 is a sprocket, first slide block 16
It is installed on the same axis as the third pulley 29 held at. A chain 3o is moved by a sprocket 28, and is connected to the third slide block 26 at its end. 31 is a motor fixed to the first slide block 16, and is connected to the first pulley 18 via a belt 32.
By transmitting the rotational force to the second pulley 24 and the third pulley 29, the second pinion 17, second pinion 23, and sprocket 28 are rotated.

The operation of the conveyance device configured as described above will be explained below with reference to FIGS. 2 to 4.

First, as shown in FIG. 2, the first slide block 16 is at the sliding end with respect to the main body base 13, the second slide block 19 is at the sliding end with respect to the first slide block 15, and the second slide block 19 is at the sliding end with respect to the main body base 13. On the other hand, when the third slide block 25 is located at each sliding end, the third slide block 26 does not move to the lower part of the conveyed object 33, and at this time, the vertical drive unit (not shown) Main body base 1
3 rises, the conveyed object 33 moves to the third slide block 2
6. Next, when the motor 31 rotates, the first pinion 17, second pinion 23, and sprocket 28 rotate, respectively. When the first pinion 17 rotates, the first slide block 16 moves on the main body pace 13 by meshing with the first rough hook 14. 2nd pinion 23
When rotated, it engages with the second rack 22, thereby moving the top of the first slide block 16 to the second slide block 19.
moves. When sprocket 28 rotates, chain 3
0 moves, the third slide block 26 moves on the second slide block 19. In this way, as shown in FIGS. 3 and 4, the first slide block 1
5. By moving the second slide block 19 and the third slide block 25 to the other end, the transported object 3
3 will be transferred to the transport position. Here, as the main body pace 13 is lowered by the vertical drive unit, the conveyed object 33 is lowered from the third slide block 25 and the conveyance is completed.

Effects of the Invention As described above, the present invention provides a first slide block having a first pinio that is held slidably in one direction relative to the main body base and meshes with a first rack fixed to the main body base; a second slide block having a second rack that is held slidably in the axial direction with respect to the slide block and that engages with a second pinion provided on the first slide block; and a second slide block that is slidable in the axial direction with respect to the second slide block; a third slide block connected to a chain which is held in a manner that is possible to move and is moved by a sprocket provided on the first slide block;
By providing a pinion, a second pinion, and a drive motor that provides rotational drive to the sprocket, conveyance on one axis to a position where the body base collar overhangs is possible.
It is realized with only one drive motor, which simplifies the structure and allows for stable and short-time conveyance.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing the structure of a conveyance device according to an embodiment of the present invention, FIGS. 2, 3, and 4 are conveyance process diagrams of the same conveyance device, and FIG. 6 is a schematic diagram of a conventional conveyance device. Structure diagram, No. 6
Figures 1 to 1z are transport stroke diagrams of the transport device. 13... Body base, 14... First rack, 15... First slide block, 17...
...First pinion, 19...Second slide block, 22...Second rack, 23...
...Second pinion, 25...Third slide block, 28...Sprocket, 3o...
...Chain, 31...Motor. Name of agent: Patent attorney Toshio Nakao and 1 other person13
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Claims (1)

[Claims] a first slide block that is held slidably in one axial direction with respect to the main body base and has a first pinion that meshes with a first rack fixed to the main body base; and a first slide block that is slidable in the axial direction with respect to the first slide block; a second slide block having a second rack that is held and meshes with a second pinion provided on the first slide block; a first slide block that is held slidably in the axial direction with respect to the second slide block;
A third slide block connected to a chain moving by a sprocket provided on the slide block, and a drive motor fixed to the first slide block and providing rotational drive to the first pinion, second pinion, and the sprocket. Characteristic conveyance device.