JP3684829B2 - Rotating transfer device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a swivel-type transport device in which a swivel base including a placement unit for placing an article is provided so as to be capable of swiveling.
[0002]
[Prior art]
Such a swivel type conveying device is used to change the direction of the article by placing the article on the placing portion and turning the swivel base at a desired angle. Used to change the orientation of the article.
[0003]
Conventionally, in this type of swivel type conveying device, a swiveling shaft is fixed to the lower surface of the swivel, and the swivel shaft is configured to receive and support the load of the swivel or an article on the swivel, In addition, a structure in which the swivel base is swung integrally with the swivel shaft by rotating the swivel shaft with an electric motor or the like is often used.
[0004]
[Problems to be solved by the invention]
However, in the above-described conventional structure, the load on the swivel base and the article placed on it is mostly supported by the swivel shaft, so it is necessary to make the swivel shaft strong. Since the turning shaft that is the center of the shaft is rotationally driven by an electric motor or the like, not only the turning shaft is made durable, but also the turning operation of the swivel base requires a large amount of power. There has been a drawback that the motor and the like are increased in size to cause an increase in cost.
[0005]
The present invention pays attention to such conventional drawbacks, and the purpose of the present invention is to support the load of the swivel base and the article placed on it as much as possible, and the swivel base can be used with as little power as possible. An object of the present invention is to provide a swivel type transport device that is configured to be swiveled so that the overall cost can be reduced.
[0006]
[Means for Solving the Problems]
In order to achieve this object, according to the first aspect of the present invention, the swivel provided with the article mounting portion is swung by contacting the swivel support surface at a position radially away from the swivel axis. Since the idle wheel for receiving and supporting the base, and the driving wheel for turning to turn the swivel in contact with the swivel support surface at a position radially away from the turning axis, The load of the swivel base and the article placed thereon is mainly supported by the idle wheel, and the load can be dispersed and supported.
Further, the turning operation of the swivel base is performed by rotational driving of the drive wheel that contacts the swivel support surface at a position radially away from the swivel axis, so that the swivel operation can be performed with relatively small power. For example, it is possible to reduce the size of the electric motor for turning, etc., and to reduce the cost as a whole, and it is also possible to reduce the height in the vertical direction of the apparatus along with the downsizing of the electric motor for turning, etc. Become.
[0007]
Further, according to the invention described in claim 1, said swivel deck support surface, the guide member in the vertical posture annular is provided to match the center to the swivel axis, the swivel axis about a swivel base Since the inner guide roller and the outer guide roller as guided bodies to be guided to the rotating table are provided on the rotating table, it is not necessary to provide a rotating shaft on the rotating shaft center of the rotating table. guided member provided, said since the guide member is to engage to vertically movable clamping, even if there is unevenness in the swivel deck support surface, the guided body to the guide body is moved up and down By doing so, there is no hindrance to the guiding action by the guide body and the guided body, and the swivel can be reliably swiveled around the swivel axis.
In particular, when the swivel base support surface is constituted by a floor surface, and the idle wheel or drive wheel is configured to rotate on the floor surface, it is effective because there is a high possibility that the floor surface is uneven. Furthermore, if the entire swivel base is configured to be detachable upward with respect to the annular guide body, the guide body can be easily installed and the guide body can be installed and fixed on the floor surface. It is convenient that the swivel base can be set down from above, or the swivel base can be lifted upward and removed from the guide body.
[0008]
According to the second aspect of the present invention, since the annular guide body in the vertical posture is provided at a position closer to the pivot axis than the idle wheel and the drive wheel, the annular guide body itself can be made small. For example, when the guide body is installed on the floor surface, the installation area on the floor surface is reduced and the installation work is also simplified.
[0010]
According to the invention described in claim 3, wherein the swivel base support surface supporting surface forming member for forming said guide body, idling for a so formed in one piece, the swivel base support surface and the guide body The relative positional relationship of the wheels can be determined all at once, and by installing the integrally formed frame body at the swivel base installation location, the positional relationship with other devices will be determined reliably, Installation work can be facilitated.
[0011]
According to invention of Claim 4 , since the mounting part of the said swivel base is provided with the conveying apparatus which mounts and conveys articles | goods, the swivel base itself has a conveyance capability, and the articles | goods on a swivel stand And transfer of articles from the swivel base can be performed smoothly.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of a swivel type conveying apparatus according to the present invention will be described with reference to the drawings.
For example, as shown in FIG. 1, the swivel type conveying device turns the article A conveyed by the chain-driven first conveyor 1 by 90 degrees to change the direction and is orthogonal to the first conveyor 1. In this embodiment, the article A is configured to be transported and transferred in a state where it is placed on the pallet P. Has been.
[0013]
As shown in FIGS. 2 to 4, the swivel type conveying device is substantially rectangularly framed by a pair of substantially rectangular cylindrical hollow frame bodies 3 a and a connecting frame body 3 b that connects the hollow frame bodies 3 a. A swivel base 3 is provided, and four wheel support frames 4 are extended inwardly from a pair of hollow frame bodies 3a, and idle wheels 5 are attached to the wheel support frames 4, respectively.
A bracket 6 is attached to one lower surface of the pair of hollow frames 3a, an electric motor 7 with a reduction gear for turning operation is attached to the bracket 6, and a drive wheel 8 for turning operation is attached to the shaft of the reduction gear. Are attached in a directly connected state, and two inner guide rollers 9a and one outer guide roller 9b as guide bodies are attached to the bracket 6 so as to be freely rotatable, and the other hollow frame 3a The same idle wheel 5 as described above is attached to the lower surface at a position facing the drive wheel 8.
[0014]
The pivotally floor on F to install a conveying device, an annular guide frame 10 is attached, such as by anchor bolts.
This guide frame 10 has a substantially L-shaped cross-section consisting of a horizontal portion and a vertical portion, and the L-shaped horizontal portion is positioned inside the vertical portion to form a swivel support surface. The support surface forming body 10a and the guide body 10b are formed integrally with the guide frame body 10 so as to function as the forming body 10a and the vertical portion as the guide body 10b. Yes.
[0015]
On the support surface forming body 10a of the guide frame 10, a total of five idle wheels 5 attached to the wheel support frame 4 and the hollow frame 3a, and one attached to the hollow frame 3a. In the state where the drive wheels 8 can be placed simultaneously, and the idle wheel 5 and the drive wheel 8 are placed on the support surface forming body 10a, the two inner guide rollers 9a and one The outer guide roller 9b is configured to be guided while sandwiching the guide body 10b.
[0016]
Then, by rotating the driving wheel 8 by the electric motor 7, as shown in FIG. 5, the free wheel 5 and the driving wheel 8 roll on the annular support surface forming body 10a as shown in FIG. Guided by the guide body 10b through the roller 9a and the outer guide roller 9b, and the idle wheel 5 and the drive wheel 8 move around the turning axis Q while being guided by the guide body 10b. With the center of the annular guide frame 10 as the turning axis Q, in this embodiment, it is configured to reciprocate over 90 degrees.
[0017]
That is, the five idle wheels 5 and the one drive wheel 8 are located at a location that is substantially the same distance in the radial direction from the turning axis Q, and the annular guide frame 10 is It is installed with its center aligned with the pivot axis Q.
And since the said guide frame 10 is L-shaped which consists of the support surface formation body 10a and the guide body 10b as mentioned above, it is for guides formed from these support surface formation body 10a and the guide body 10b. The entire swivel base 3 is movable up and down with respect to the frame body 10 and can be detached upward. The swivel base 3 is lowered from above the guide frame body 10 installed and fixed on the floor F. The idle wheel 5 and the drive wheel 8 can be placed on the support surface forming body 10a and the guide body 10b can be sandwiched and engaged by the guide rollers 9a and 9b. It is also possible to release the engagement with the guide frame 10 by lifting it up.
[0018]
The pair of hollow frames 3a are respectively provided with a drive sprocket 11a and an idle sprocket 11b at the longitudinal ends thereof, and a chain 12 as a conveying device is stretched between the sprockets 11a and 11b. The article A is placed on the pair of chains 12 together with the pallet P, and the article 12 is conveyed along with the pallet P by driving the chain 12 to rotate by driving the interlocking and coupling electric motor 13 to both drive sprockets 11a. The chain 12 functions as a placement portion on which the article A is placed.
[0019]
[Another embodiment]
(1) FIGS. 6 to 8 show other embodiments and will be described with reference to the drawings. However, the same components as those of the previous embodiment are denoted by the same reference numerals, and the description thereof will be omitted. Only a configuration different from the embodiment will be described.
The swivel base 3 of this other embodiment is also formed by being framed in a substantially rectangular shape by a pair of hollow frame bodies 3a and connecting frame bodies 3b, but there is no wheel support frame 4 as in the previous embodiment, and 4 The idle wheels 5 are directly attached to the lower surface of the connecting frame 3b.
The bracket 14 attached to one of the pair of hollow frames 3a is attached only with the electric motor 7 with a speed reducer for rotating the drive wheels 8, and is directed inward from the other hollow frame 3a. Two inner guide rollers 9a and one outer guide roller 9b are attached to the guide roller support frame 15 extended so as to be freely rotatable.
[0020]
In this alternative embodiment, the annular guide frame 16 on the floor surface F is attached, such as by anchor bolts, the guide frame 16, support surface forming body, such as in the previous embodiments 10a is not provided, and only a guide body 16b in a vertical posture for guiding the guide rollers 9a and 9b is provided.
A total of five idle wheels 5 attached to the connecting frame 3b and the hollow frame 3a and one drive wheel 8 attached to the hollow frame 3a serve as a swivel support surface. It is configured so that it can be placed on the floor surface F, and two inner guide rollers 9a and one outer guide roller 9b are configured to be guided while sandwiching the guide body 16b.
[0021]
In this other embodiment, when the drive wheel 8 is rotationally driven by the electric motor 7, the idle wheel 5 rolls on the floor surface F together with the drive wheel 8, and the inner guide roller 9a and the outer guide roller 9b. The swivel base 3 swivels around the center of the annular guide frame 16 as a swivel axis Q in a state guided by the guide body 16b.
Thus, since the drive wheel 8 and the idle wheel 5 roll on the floor surface F, and only the guide body 16b is provided in the guide frame 16, the guide is compared with the previous embodiment. The frame 16 has a considerably small diameter, and the drive wheel 8 and the idle wheel 5 roll outside the small diameter guide frame 16.
[0022]
In this alternative embodiment as well, the entire swivel base 3 is movable up and down with respect to the guide frame body 16 and can be detached upward. The swivel base 3 can be moved from above the guide frame body 16. The idle wheel 5 and the drive wheel 8 are placed on the floor surface F, and the guide body 16b is sandwiched and engaged by the guide rollers 9a and 9b. It is also possible to release the engagement with the frame body 16, and even if there are irregularities on the floor surface F, the guide rollers 9a and 9b move up and down with respect to the guide body 16b. It turns around the turning axis Q.
[0024]
( 2 ) In the embodiments described so far, the example in which the idle wheel 5 and the drive wheel 8 are located at a position that is substantially the same distance in the radial direction from the turning axis Q has been shown. With respect to Q, the driving wheel 8 is positioned at a position away from the idle wheel 5, and conversely, the idle wheel 5 is located at a position away from the driving wheel 8. You can also.
[0025]
( 3 ) In the embodiments described so far, the example in which the conveying device including the pair of chains 12 is provided on the swivel base 3 has been described. It can also be carried out using a drive-type conveying device, in which case the roller acts as a placement portion on which the article A is placed.
The swivel base 3 does not necessarily have to be provided with a chain drive type or roller drive type transfer device. For example, the turntable 3 is simply provided with a placement table on which the article A is simply placed. It can also be implemented as a normal turntable as a mounting portion for mounting.
[Brief description of the drawings]
FIG. 1 is a plan view showing a layout of a swivel transfer device. FIG. 2 is a partially cutaway plan view of a swivel transfer device. FIG. 3 is a front view of a swivel transfer device. ] Side view of a partly cutout of a swivel type transport device [FIG. 5] Plan view showing a turning state of a turntable [FIG. 6] Front view of partly cutout showing another embodiment [FIG. 7] Another embodiment FIG. 8 is a partially cutaway side view showing a plan view showing a turning state of another embodiment.
DESCRIPTION OF SYMBOLS 3 Rotating stand 5 Free wheel 8 Drive wheel 9a, 9b Guided body
10, 16 Frame 10a Support surface forming body forming swivel support surface
10b, 16b Guide body 12 Conveying device as mounting part A Article F Swivel table support surface Q Swivel axis

Claims (4)

A swivel base provided with a placing portion for placing an article is a swivel type transport device provided so as to be capable of swiveling,
The swivel base includes an idler wheel that contacts the swivel support surface at a position radially away from the swivel axis and receives and supports the swivel, and at a position radially away from the swivel axis. A turning drive wheel for turning the turntable in contact with the turntable support surface, and configured to turn the turntable as the drive wheel is driven ;
An annular, vertical guide body is provided on the swivel support surface so that its center coincides with the swivel axis, and is engaged with the guide body so as to be vertically movable. A revolving transport device in which an inner guide roller and an outer guide roller as guided bodies for guiding around the revolving axis are provided on the revolving platform . The swivel type conveying device according to claim 1, wherein the annular and vertical guide body is provided at a position closer to the swivel axis than the idle wheel and the drive wheel . The support surface forming body that forms the swivel support surface and the guide body are integrally formed, and the integrally formed frame is installed at a swivel base installation location. The swivel type transfer device described in 1. The swivel type conveying device according to any one of claims 1 to 3, wherein the placing portion of the swivel base includes a conveying device for placing and conveying an article .

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