JPS59143899A - Elevator for shifting material to be carriered between overhead travelling conveyor and floor surface conveyor - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for lifting and lowering objects to be transferred between a ceiling conveyor and a floor conveyor.

Various types of lifting devices of this kind have been known in the past, but the present invention provides a simple device that has a simple structure and can shorten manufacturing time and reduce manufacturing costs. The purpose is to

This invention provides a support provided on one side of a horizontal transfer path for an object to be transported, an elevating frame that is cantilevered from the support at one end and has a support member for the object, and a movement path for the elevating frame. First and second sprockets are provided above the right end and left end of the lifting frame and are connected to each other so as to transmit rotation to each other; The first and second
It consists of a suspension chain and a drive device that rotationally drives at least one of the first, zero, and second sprockets.

In this specification, forward and backward refers to the direction in which the transported object (Nl) is transferred (indicated by arrow (A) in Figure 2) as a reference, and the forward side refers to the side on which the transported object (G) moves forward. The opposite side is called the back, and left and right refers to the front.

−゛−゛.

Since the present invention has the above configuration, it has the following effects.

The basic structure consists of a support provided on one side of the horizontal transfer path for the transported object, and an elevating frame that is cantilevered from the support at one end and has a support member for the transported object.
The number of components can be reduced.

The lifting frame, which is cantilevered from the support, is suspended from the first and second sprockets by the first and second suspension chains at its right and left ends, respectively. The support structure does not require much strength and has a simple structure.

The first and second sprockets are connected so that they can transmit rotation to each other, so when one of them is driven to rotate, the first and second suspension chains wound around them are simultaneously wound up. It is lowered, which causes the lifting frame to rise and fall.

However, the overall structure of the device can be simplified.

The lifting frame is supported at both left and right ends by two chains, the first and second hanging chains.
It is possible to descend 4 times with a stable ← posture.

Embodiments of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, a ceiling conveyor (1) provided directly below a ceiling beam CB) and a floor conveyor (2) provided on a floor (F) are shown, respectively. The overhead conveyor (1) is a trolley conveyor and has an upper frame (3), a power rail (4), a free rail (5) and a hanger (6).

Although the floor conveyor (2) is not shown in detail, its installation space is shown in FIG. 1 by a rectangular frame. The object to be conveyed (5) is a car body, and is moved to a predetermined position by both conveyors (1) t21.

A rectangular cylindrical support (11) is vertically provided on the floor (F') at a predetermined position on the right side of the horizontal transfer path for the transported object (5). Vertical guide rails (12) are provided on the front and rear surfaces of the column (11), respectively. Pillar (1
1) is equipped with a movable frame (13) that can be moved up and down. This movable frame (13) is a groove-shaped member with a horizontal cross section that is slightly elongated upward and downward, with one side open.
It is fitted into the support column 01) with the open part facing right so as to surround it from three directions. Movable frame (13)
Inside, there are pairs of large and small rollers (141 (151) on the left and right at the top and bottom of the front and back surfaces, respectively. These rollers (I41 (151) are the vertical guide rails (12 ) is held from both the left and right sides.Then, the mounting bracket ( ) is attached to the movable frame (13) +1
It is supported in a cantilevered manner at one end of the elevating frame 07) via a frame 61. (mounting bracket) +161 is a plurality of approximately triangular vertical plates (1
8) These vertical plates (such as the connecting plate (19) that is perpendicular to 18j and connected to the right edge thereof) are integrated with the movable frame (13) and installed inside the support column (11). The lifting frame (J7) is made of an integrally formed pipe bent into a substantially U-shape when viewed from a plane with the rear portion open, so that the lifting frame (J7) can surround the transported object W from three sides. It has left and right arms C20) 1211 and a front arm (22), and is fixed in a horizontal position with each vertical plate (1B) inserted through its right arm (21) or mounting bracket (16). 5ru. In addition, the elevating frame (17) has a rising portion (17,a) in which approximately one-third of its front-to-back length is bent in an upwardly inclined shape when viewed from the side.
It is said that As shown in Fig. 2, this rising part (17a) is located above the upper surface level of the installation space of the elevating frame α'7) or the floor conveyor (2) when transferring the conveyed object (g). When the floor conveyor (
2) and the lifting frame (17).

The elevated IWi frame (17) is provided with four conveyed object support members (23), both of which project. Each support member (23) has a vertical axis t24+ at one end, and a tree (1 bracket 5 t2s+) is attached to the vertical axis (24) at two positions in the front and back that form a pair on the left and right sides of the left and right arms 12o). It is attached to the elevating frame υ force by being rotatably supported.The upper end of the vertical shaft (24) of each support member (23+) is attached to the front support member (23+).
The actuating lever (26) is attached to the vertical axis (26) of the rear support part (26), or the actuating lever is attached to the vertical axis (2 angles) of the rear support part (see Figure 3). An air cylinder (28) for opening and closing the support member is connected to one end of the support member.

The other end beyond the vertical axis (24) from one end of the operating lever 07) and one end of the operating asim (26) are connected to the connecting rod (2).
9). When the air cylinder) is actuated, each vertical axis t24) rotates via the actuation lever +27+, the connecting rod (29) and the actuation arm (26). The rotation of this vertical axis (24J) is opposite to that of the front and rear vertical axes (24). Depending on the rotation of the vertical axis, each support member (23) rotates around the vertical axis (124). Then, the support member (23) is opened and closed. When the support member (23) is in the closed state (the state shown by solid lines in each figure),
The left and right support members (23) are aligned in a straight line in the left and right direction,
Moreover, the front and rear support members (23) are parallel to each other. From this state, when the front and rear support members (23) are rotated in opposite directions by 90 degrees when viewed from the plane, they are opened (the spacing between the tips of the support members (23) in Figure 3 is the same as the floor surface described above). Conveyor (2
) is approximately equal to the width of the installation space (see Figure 1). Also,
A cushioning elastic material (
30) are pasted and marked with f=J.

The object W to be transported is placed on this elastic material (30).

The upper end of the column (11) is approximately at the same height as the upper frame (3) of the ceiling conveyor (1). And that pillar (
11) is provided with a box-shaped support frame (31) that is long from front to back and has an open top surface. A first sprocket (32) is provided on this support frame (31). The first sprocket (32) is the lifting frame 07
) is located at the right end, which is the supporting end for the column (11), and on the opposite side, at the left end, there is a second sprocket (33) at the same height as the first sprocket (32). is provided. 1st sprocket) f32
) has a drive device (?A) and consists of four devices attached to its drive shaft (35) at regular intervals.

The drive shaft (35) is rotatably supported by a bearing (36) horizontally in the front-rear direction on the support frame (31).

The drive device (34) includes, in addition to the drive shaft (35), a reducer (37) and a brake (38) connected in series thereto.
and a drive motor (39). On the other hand, the second sprockets (34) are attached to the horizontal rotating shaft (40) supported by the upper frame (3) of the ceiling conveyor (1) at the same intervals as the first sprockets t321.

1st and 2nd sprockets) +321 (3
3) are wound with first and second hanging chains +41) f42) each consisting of two threads.

The first hanging chain (41) has one end hanging down from the first sprocket (32) or an attachment (43).
It is attached to the movable frame (13) via. The second suspension chain (42) is also connected to the second suspension chain (42).
One end hanging down from the sprocket (2) is attached to the left arm (20) of the lifting frame (alpha) via an attachment (44).

In addition, the second suspension chain (42) is wound around the second sprocket (33), then extends horizontally to the right, and is also wound around the first sprocket (32), so that both sprockets (32) f33+ is connected as a bridge. In this way, each first sprocket (321
1st and 2nd hanging chain wrapped around +4
], ) The other end of (42) hangs down from the same sprocket (3) and hangs down inside the column (11), and a counterbalance spigot (path shown) is attached to that end. It can be raised and lowered freely inside the pillar (11).

The first sprocket) (321) is driven by the drive device (31).
When wo [1li11 is rotated, the first hanging chain (
41) and the second hanging chain (42) are simultaneously hoisted up and lowered via the second sprocket mill (42), thereby causing the elevating frame 07) to rise and fall while maintaining its horizontal position. The conveyed part (5) carried to a predetermined position by the ceiling conveyor (1) is attached to the support member (23) as described above.
) is lowered supported by the lifting frame (17), and by opening the support member (23j), the support is released and transferred to the floor conveyor (2).The lifting frame (17) As mentioned above, the rear part is open.Therefore, when transferring the conveyed object (5), the conveyed object W carried by either of the two conveyors (1) t2+ is placed in a predetermined position. Even if the lifting frame (17) is raised or lowered before the object arrives, it will not get caught on the lifting frame (171) or the transported object (5) and hinder its operation.This allows for quick transfer. Furthermore, in the transfer operation, contrary to the flow described above, it is also possible to transfer from the floor conveyor (2) to the ceiling conveyor (1).

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a front view, FIG. 2 is a side view, and FIG. 3 is a sectional view taken along line n+Lm in FIG. 1. (1])・■ Support, (17)・0 lifting frame, but 1-
...Transferred object support member, (32) (33)...first
and second sprocket, +341... drive device, +
41H421...first and second hanging chains,
(5) ... Object to be transported. 4 people other than the above

Claims (1)

[Claims] It has a support member (11) provided on one side of the horizontal transfer path for the transported object (5), and a supporting member (23) for the transported object W, which is provided in a cantilevered state on the support pillar (11) at one end. The lifting frame (17) and the first and second frames are provided above the right and left ends of the moving path of the lifting frame (7) and are connected to each other so as to transmit rotation to each other.
Sprockets) +32) (33+, 1st and 2nd
The first and second suspension chains (
41) (4th and 1st and 2nd sprockets H321
An elevating device for transferring objects between a ceiling conveyor and a floor conveyor, comprising: a drive device G34) that rotationally drives at least one of (33);