JPH0361183A - Carrying device for automotive seat - 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 A1 Object of the Invention []) Industrial Application Field The present invention relates to an apparatus for conveying an automobile seat to a position where it is assembled to a vehicle body in an automobile assembly line, and in particular,
The present invention relates to a device for conveying a sheet carried into one side of an assembly line to the other side of the assembly line through the upper part of a vehicle body.

(2) Prior Art The front seats of an automobile consist of a driver's seat and a passenger's seat, and each seat is assembled separately from the left and right sides of a vehicle body moving along an assembly line. For this purpose, a pair of seat delivery conveyors are installed along both left and right sides of the assembly line, and one conveyor carries in the driver's seat, and the other conveyor carries in the passenger seat. There is. However, the above-mentioned conventional sheet conveying device not only increases equipment costs because sheet conveyors are installed on both the left and right sides of the assembly line, but also requires a large floor space to lay out the two conveyors, which is extremely inconvenient. It was the economy.

For this reason, a seat delivery conveyor is installed only on one side of the automobile assembly line, and either the driver's seat or the passenger seat carried by this delivery conveyor is passed through the top of the assembly line to the opposite side of the car body. A sheet conveying device that conveys the sheet to the side has been proposed (see, for example, Japanese Utility Model Publication No. 8427/1983).

(3) Problems to be solved by the invention By the way, since various assembly devices and conveyance devices are installed around the automobile assembly line, there are cases where sufficient space cannot be obtained above the assembly line. . However, in the above-mentioned conventional sheet conveying device, the seat is raised, horizontally moved, and lowered to the opposite side of the vehicle body with the backrest in an upright position so that the total height of the seat is the highest. There was a problem in that the height of the entire device became high, making it difficult to install it.

The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to keep the overall height of a sheet conveyance device that conveys an automobile seat through the upper part of a vehicle body to the opposite side low, and to reduce the installation space thereof.

B0 Structure of the Invention (1) Means for Solving the Problems In order to achieve the above-mentioned object, the present invention provides a system in which a sheet carried into one side of an automobile assembly line is passed through the upper part of a vehicle body on the assembly line. A hanger that supports the seat in a backward tilted position by at least two seat support bars that contact the bottom surface of the seat and the back surface of the seat, respectively, in a conveyance device for a car seat that is conveyed to the other side;
゛A chaino that is driven along a chain guide installed over the top of the assembly line, suspends the hanger and moves it from one side of the assembly line to the other, and guides a guide roller provided on the hanger to move the hanger. It is characterized by being equipped with a guide rail that regulates the attitude of the hanger inside.

(2) Effect According to the present invention having the above-described configuration, by bringing the two seat support bars provided on the hanger into contact with the bottom surface of the seat and the back surface of the backrest of the seat carried to one side of the assembly line,
The seat is supported by the hanger in a backward tilted position where its overall height is the lowest. The hanger supporting the sheet in a rearwardly tilted position is carried from one side of the assembly line to the other by being suspended by a chino driven along a chino guide installed over the top of the assembly line. At this time, the guide roller provided on the hanger is guided by the guide rail, so that the attitude of the hanger is kept constant. Thereby, the sheet is conveyed to the opposite side through the upper part of the vehicle body while maintaining the backward tilted posture in which the height in the vertical direction is the lowest, so that the total height of the conveyance device can be kept low.

(3) Examples Hereinafter, the present invention will be described in detail based on the drawings.

Figures 1 to 9 show one embodiment of the present invention.
The figure is an overall front view of the sheet conveying device, Figure 2 is an enlarged view of the ■ section in Figure 1, Figure 3 is a view taken in the direction of arrow ■ in Figure 2, and Figure 4 is the rV-4V line in Figure 3. The sectional view, FIG. 5, is V- in FIG. 4.
6 is an enlarged view of the ■ part in Fig. 1, Fig. 7 is a sectional view taken along the line ■-■ in Fig. 6, Fig. 8 is an enlarged view of the ■ part in Fig. 1,
FIG. 9 is a sectional view taken along the line IX-IX in FIG. 8.

As shown in Fig. 1, an automobile assembly line L is equipped with a slat conveyor 1 installed under the floor surface, and a car body B being assembled is placed on top of the slat conveyor 1 and conveyed in a direction perpendicular to the plane of the paper. . On one side of the assembly line L, a carry-in chute 2 for carrying in sheets S to be assembled onto the vehicle body B is arranged parallel to the slat conveyor 1, and on the opposite side of the carry-in chute 2 across the assembly line L. Loading chute on the side
A mounting table 3 is provided on which a sheet S conveyed from 2 through a sheet conveying device, which will be described later, is temporarily placed. A pedestal 5 made of a combination of steel materials is suspended from a cage 4 located at the top of the assembly line L, and a sheet conveyance system for conveying the sheet S from the carry-in chute 2 to the loading table 3 is suspended from the pedestal 5. equipment is provided.

As shown in FIG. 2, the loading chute 2 includes a base 6 and a side plate 7 extending perpendicularly to the plane of the paper.
Two rows of lower conveyance rollers 8 are provided on the upper surface, and one row of inclined upper conveyance rollers 9 is provided on the inner surface of the side plate 7.
A pallet (P) is supported on the lower conveyance roller 8 and is driven by a cylinder (not shown). On the upper surface of the pallet P, a car seat S consisting of a seat part S1 and a backrest S2 is placed in a backwardly tilted position.
The back surface of the backrest S2 is supported by an upper conveyance roller 9 provided on the side plate 7.

As is clear from FIGS. 2 and 3, the hanger 0 of the sheet conveying device that conveys the sheet S is a plate-shaped hanger hanging bracket 12 welded to the center of a hanger shaft 11 connected to a chino, which will be described later. Hanger body 1 made of pipe material welded to the lower part of hanger hanging bracket 12
3, and two sheet support bars 14a and 14b extending from both sides of the hanger body 13 in parallel to the conveying direction of the carry-in chute 2 and whose mutual spacing is adjustable.

One seat support bar 14a abuts the bottom surface of the seat S1 of the seat S, and the other seat support bar 14b abuts the back surface of the backrest S2, and the seat S is palletized.
It is configured to be supported in the backward tilted position placed on P.

As is clear from FIGS. 3 to 5, each pair of chain brackets 15a and 15a are provided at both ends of the hanger shaft 11.
5b is pivotally supported, and each Cheno bracket 15a, 1
5b is fixed to two links 16a and 16b of the chino 16 (see FIG. 4). This allows the hanger shaft 11 to be attached to the chino 16 while allowing the chino 16 to bend.
are strongly connected and can support large loads.

As shown in FIG. 1, the hanger 16 that suspends the hanger 10 via the hanger shaft 11 has support plates 5a+, 5a2 to 5f+, and 5f2 provided at various locations on the pedestal 5 so as to straddle the assembly line L. 5 supported by
It is engaged with and guided by the divided cheno guides 17a to 17c. That is, the chain guides 17a to 17e include a first chain guide 17a that rises upward from the top of the loading chute 2 and then curves in the horizontal direction;
A second chain guide 17b connected to the chain guide 17a and extending horizontally across the top of the assembly line L; and a third chain connected to the second chain guide 17b and extending diagonally downward to reach the top of the mounting table 3. a guide 17C, a fourth chain guide 17d arranged parallel to the lower part of the third chain guide 17c, and the second chain guide 17b.
The fifth chain guide 17e is arranged parallel to the lower part of the chain guide 17e.

Each of the chain guides 17a to 17e is made of channel steel, and the cross section of the first chain guide 17a is shown in FIG. The cross sections of the fifth chain guides 17b and 17e are shown in FIG. 4th Chen Kaid 17c, 17d
The cross-sections of each are clearly shown in FIG. Further, support plates 5a+, 5a2 to 5f+, 5 of the pedestal 5
Ten sets of sprockets 198-19j are provided on the rotating shafts 18a-18j supported at f2, and these sprockets 19a-19j are connected to the chain guides 17a-17
He works with e to guide Cheno 16.

As shown in FIGS. 6 and 7, a base plate 20 that covers the top surface of the pedestal 5 is provided with a motor 21 for driving the chino.
The output shaft 24 is connected to an output shaft 24 supported by two brackets 23. The driving sprocket 25 fixed to both ends of the output shaft 24 is connected to the driven sprocket 2 fixed to the rotating shaft 18g.
6 via chino 27. The middle portion of the ceno 27 is engaged with a tensioner 28 to apply a predetermined tension. Also, sprocket l-19f
The rotating shaft 18f is a slide guide 29 provided on the outer support plate 5c+ connected to both sides of the base play 1, 20.
It is supported by a slider 30 that is slidably engaged with the elongated hole 29a. The slider 30 is connected to a rod 31a of a tension cylinder 31 provided on the side wall of the support plate 5c+ and moves along the elongated hole 29a, thereby applying a predetermined tension to the ceno 16.

As is clear from FIGS. 2 to 5, a pair of roller brackets 32 are fixed to the inside of the connecting portions with the chino 16 at both ends of the hanger shirt 11, and a main guide roller 33 is attached to the tip of the roller brackets 32. is pivoted. Further, the center of a roller support plate 34 extending in the horizontal direction is fixed to the side of the hanger hanging bracket 12, and a pair of sub guide rollers 35 are pivotally supported at both ends of the roller support plate 34.

13~ As shown in FIG. 1, the pedestal 5 has a main guide roller 3
Main guide rail 36a divided into two for guiding 3
, 36b are arranged along the front S-side chain guides 17a to 17e. The first main guide rail 36a made of channel steel extends from the top of the loading chute 2 to the end of the horizontal portion of the pedestal 5, and its cross section is clearly shown in FIGS. 5 and 7. On the other hand, the pedestal 5 has an auxiliary guide rail 37a divided into three parts for guiding the auxiliary guide roller 35.
~37c are provided. The first sub-guide rail 37a made of channel steel is for guiding the left-side sub-guide roller 35, and after rising upward from the top of the carry-in chute 2, curves in the horizontal direction to form the second sub-guide rail 3.
Connected to 7b.

As shown in FIG. 7, the second sub-guide rail 37b is made of groove-shaped steel horizontally fixed to the upper part of the pedestal 5, and the pair of sub-guide rollers 35 are guided along the lower surface thereof. Third guide rail 27d made of arc-shaped strip material
is connected to the end of the second sub-guide rail 37b to guide the right-side sub-guide roller 35, and is curved diagonally downward toward the mounting table 3, as shown in FIG.

Next, the operation of the embodiment of the present invention having the above-described configuration will be explained.

A driver's seat S and a passenger's seat S are placed as a pair on a pallet P that is carried into one side of the assembly line L by a carry-in chute 2. It is assembled directly to the vehicle body B from the loading chute 2. On the other hand, the seat S for the passenger seat is transported across the assembly line L to the opposite side of the vehicle body B by the aforementioned sheet transport device.

That is, if the hanger 10 is stopped at the end of the carry-in chute 2 and the sheet support bars 14a and 14b are kept in standby at the position shown in FIG. and the back of backrest S2 is
The sheet S enters the upper part of the book sheet support bars I4a, 14b, and the sheet S is supported by the hanger 10 in a backwardly inclined position.

When the motor 21 is driven from this state, the output shaft 24 rotates via the reducer 22, and the rotation is caused by the drive sprocket 2.
5. Rotate the sprocket 19g fixed to the rotating shaft 18g via the chino 27 and the driven sprocket 26. As a result, the die 16 moves to the chain guides 17a to 1.
7e and sprockets) 19a to 19j, and the hanger 0 suspended by this chino 16 starts to rise.

In FIG. 1, when the hanger 10 starts to rise, a pair of main guide rollers 33 provided on the hanger 10 immediately engage with the first main guide rail 36a to prevent the hanger 10 from shaking. When the hanger 10 further rises and changes direction in the horizontal direction, the hanger 10 tries to swing to the left due to inertia, but the left sub-guide roller 35 engages with the first sub-guide rail 37a and the hanger 10 swings to the left. Maintain a constant posture.

When the hanger 10 moves horizontally, both the left and right sub-guide rollers 35 come into contact with the lower surface of the second sub-guide rail 37b to prevent the hanger 10 from shaking.

When the horizontal movement of the hanger 10 is completed and the direction is changed downward, the main guide roller 33 moves from the first main guide rail 36a to the second main guide rail 36a, and at the same time, the right side sub guide roller 35 moves to the third sub guide rail. 27c. During this downward direction change, the hanger 10 tends to swing to the right due to inertia, but this swing is prevented by the engagement of the right sub-guide roller 35 and the third sub-guide rail 37c.

In this way, the hanger 10 that supports the sheet S in a backwardly tilted position so that its height is the lowest 7 has the main guide roller 33 and the sub guide roller 35 connected to the main guide rails 36 a, 36 b and the sub guide rollers 36 a and 36 b, respectively. Guide rail 37a
~ 37c and is transported from one side of the assembly line L to the other side through the upper part of the vehicle body B while maintaining a certain posture.
The receiver passes the sheet S onto the upper surface of the mounting table 3. Then, the sheet S on the mounting table 3 is assembled to the vehicle body B from the left side of the assembly line L.

After that, by reversing the motor 21, the hanger ■0
returns to the loading chute 2 through the opposite route to that described above, and the sheet S to be assembled into the subsequent vehicle body B in the same manner.
transportation is repeated.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the embodiments described above, and various small design changes can be made without departing from the scope of the invention described in the claims. Is possible.

For example, in the embodiment, two main guide rollers 338 and two sub-guide rollers 35 are provided on the hanger 10, but the functions of these two guide rollers 33, 35 are not clearly distinguished, and in short, the hanger Any device may be used as long as it prevents the hanger 10 from swinging by engaging with the guide rail while the hanger 10 is moving. Therefore, the number and arrangement of guide rollers and guide rails can be set as appropriate.

C1 Effects of the Invention As described above, according to the present invention, the seat is supported in a backward tilted position with the two seat support bars provided on the hanger in contact with the bottom surface of the seat and the back surface of the backrest. The height of the seat when supported on the hanger can be reduced. Further, when the hanger is transported while being suspended from the chino moving along the chino guide, the hanger is prevented from swinging by guiding the guide roller provided on the hanger to the guide rail. Therefore, it is possible to transport the sheet through the upper part of the vehicle body to the opposite side while maintaining the backward tilted position so that the height in the downward direction is lower, and the overall height of the transport device can be kept low. Space can be reduced.

[Brief explanation of drawings]

Figures 1 to 9 show one embodiment of the present invention.
The figure is an overall front view of the sheet conveying device, FIG. 2 is an enlarged view of the ■ part in FIG. Cross-sectional view, Fig. 5 is shown in Fig. 4 -
■ Line sectional view, Figure 6 is an enlarged view of the ■ section in Figure 1, Figure 7 is a cross section view taken along the ■-■ line in Figure 6, Figure 8 is an enlarged view of the ■ section in Figure 1,
FIG. 9 is a sectional view taken along the line IX-IX in FIG. 8. B...Car body, L...Assembly line, S...Seat,
S...Seat portion, S2...Backrest 10...Hanger, 14a, 14b...Seat support bar, 16...Cheno, 17a-17e...Cheno guide, 33...Main guide roller ( guide roller), 3
5... Sub-guide roller (guide roller), 36a. 36b...Main guide rail (guide rail), 37a
~37c... Sub-guide rail (guide rail) Patent applicant Honda Motor Co., Ltd.

Claims (1)

[Claims] Sheets (S) carried into one side of the automobile assembly line (L)
) to the other side of the assembly line (L) through the upper part of the vehicle body (B) on the assembly line (L), the seat part (S_1) of the seat (S)
A hanger (10) that supports the seat (S) in a backward tilted position by at least two seat support bars (14a, 14b) that contact the bottom surface and the back surface of the backrest (S_2), respectively, and the upper part of the assembly line (L). The hanger (1
A chain (16) that suspends the hanger (0) and moves it from one side of the assembly line (L) to the other side, and a hanger that is being moved by guiding the guide rollers (33, 35) provided on the hanger (10). (10) Guide rails (36a, 36
37a to 37c).