JP2001150280A - Jig for work clamp in hanger for assembly line - Google Patents

Abstract

(57) [Problem] To provide a clamp for a work with a short width in a hanger for an assembly line without making a major remodeling. SOLUTION: A left clamp jig 10A and a right clamp jig 10B are used for a hanger which is transported along an assembly line and has a clamp pin for clamping a main frame F. The left clamp jig 10A and the right clamp jig 10B are respectively used between the hanger and the main frame. Hook portions 13A and 13B that are engaged with the clamping pins are formed on the left clamping jig 10A and the right clamping jig 10B, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig for a work clamp in a hanger for an assembly line. In particular, the present invention relates to a work clamp jig for an assembly line hanger suitable for use when the work is an instrument panel of a vehicle.

[0002]

2. Description of the Related Art When assembling a vehicle instrument panel having a main frame on a factory assembly line, a hanger provided with a clamp device for clamping the main frame is used. As shown in FIG. 5, the hanger 50 has a U-shaped frame 51 that opens downward, and clamp devices 52A and 52B are provided at the lower ends of the frame 51, respectively. The clamp device 52 has setting pins 53A and 53B which are set by pressing against an upper portion of a side surface of a main frame (not shown) of an instrument panel as a work.

The clamping devices 52A and 52B have positioning pins 54A and 54B, respectively, and these positioning pins 54A and 54B are inserted into appropriate ones of a large number of screw holes of a main frame. Position. The positioning pins 54A, 54B are connected to levers 55A,
55B makes it possible to put in and take out each.
Pressing portions 56A and 56B are formed below the positioning pins 54A and 54B. When clamping the main frame, the work is performed by placing the main frame on the pressing portions 56A and 56B.

Further, in the assembly line of ordinary vehicles, various instrument panels having different lengths in the width direction are manufactured, and the length of the main frame in the width direction is, for example, within a range of 1350 mm ± 50 mm. There is something. For this reason, a slide mechanism 57 is provided in the right clamp device 52B of the hanger 50. The slide mechanism 57 can move the disk-shaped plate 59 in the direction of the left clamp device 52A by operating the lever 58. Plate 59
A fixing pin 53B, a positioning pin 54B, and a pressing portion 56B are fixed to each other, and these can be moved about 100 mm in the direction of the left clamp device 52A.

[0005]

In the above-mentioned prior art, it is possible to cope with the manufacture of an instrument panel of a normal automobile without any problem. However, there has been a demand for manufacturing an instrument panel for a mini vehicle on such an assembly line for ordinary vehicles. The length in the width direction of the main frame of the instrument panel of the mini vehicle is around 1100 mm. Therefore, in the conventional hanger 50, the separation distance between the clamp devices 52A and 52B is too large compared to the main frame, and the clamp device 52A
This has caused a problem that the main frame cannot be clamped.

This problem can be dealt with, for example, by modifying the slide mechanism 57 to increase the stroke length. However, since such a modification becomes a large-scale, it is desirable to avoid it as much as possible.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an assembly line hanger capable of clamping a work having a short width which does not reach a predetermined length without particularly large-scale remodeling.

[0008]

According to the present invention, there is provided an assembly line hanger which is transported along an assembly line and has a set pin for clamping a work. A jig for a work clamp in an assembly line hanger, wherein a hook member is provided to be interposed between the set pin and the hook member to be engaged with the setting pin.

According to the first aspect of the present invention, in a hanger for an assembly line, even a work having a short width that does not reach a predetermined length can be clamped by interposing a work clamping jig. Become like In addition, since only a simple jig is required, there is no need to make a major modification to the hanger for the assembly line. Further, since the hook portion is formed, the hook portion can be attached to the assembly line hanger only by engaging the hook portion with the setting pin. For this reason, workability becomes very good.

[0010] In the invention according to claim 2, the hanger for the assembly line is provided with a positioning projection.
The jig for a work clamp in an assembly line hanger according to claim 1, wherein a positioning hole into which the positioning pin is inserted is formed.

According to the second aspect of the invention, the clamped work can be accurately positioned.

Further, the invention according to claim 3 is the jig for work clamp in a hanger for an assembly line according to claim 1, wherein the work is an instrument panel having a main frame.

According to a third aspect of the present invention, the work clamping jig in the assembly line hanger according to the present invention is suitable for use when the work is an instrument panel of a vehicle.

[0014]

Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 is a perspective view of a work clamp jig according to the present invention, and FIG. 2 is an exploded perspective view showing a state where the work clamp jig is mounted on a frame in an assembly line hanger according to the present invention.

As shown in FIGS. 1 and 2, a work clamp jig (hereinafter referred to as "clamp jig") 1 according to the present invention is a hanger 5 conventionally used as shown in FIG.
0 is used. This clamping jig 1
It comprises a left clamping jig 10A attached to the left side of the main frame F and a right clamping jig 10B attached to the right side of the main frame F. The jig for left clamp 10A and the jig for right clamp 1
As shown in FIG. 2, 0B is interposed between the hanger 50 and the main frame F, respectively.

The left clamp jig 10A and the right clamp jig 10B have a symmetrical shape.
Since a similar member is provided, its configuration will be described using the left clamping jig 10A. Jig for left clamp 10A
Has an outer plate 11A attached to the hanger 50 and an inner plate 12A attached to the main frame F, as shown in FIGS. A hook 13A that is engaged with the setting pin 53A of the hanger 50 is formed above the outer plate 11A, and a positioning pin 54 of the hanger 50 is inserted into the outer surface of the outer plate 11A. A positioning hole 14A is formed. The outer plate 11A and the inner plate 12A are connected to three connecting bars 15A, 15A.
A, 15A. These connecting bars 1
The length of each of 5A, 15A and 15A is about 100
mm. Furthermore, on the inner surface of the inner plate 12A,
Three projections 16A, 16A, 16A inserted into the screw holes in the main frame F are provided.

Next, the procedure for manufacturing the instrument panel P by clamping the main frame F using the clamping jig 1 according to the present invention will be described. FIG. 3 (a)
As shown in FIG.
The right and left clamping jigs 10A and 10B are attached respectively. When attaching the left clamping jig 10A to the main frame F, the protrusions 16A are inserted into appropriate screw holes out of a large number of screw holes (not shown) formed in the main frame F. Similarly, when attaching the right clamping jig 10B to the main frame F, the protrusions 16B are inserted into appropriate screw holes out of a large number of screw holes (not shown) formed in the main frame F. Then, the left and right clamping jigs 10A and 10B are fixed to the main frame F using a clip or the like (not shown) so that the worker can carry out the operation without hands. When the projections 16A, 16B are inserted into the screw holes of the main frame F, FIG.
As shown in (b), the clamping jigs 10A and 10B are attached to the main frame F, respectively.

Next, clamping devices 52A and 52B in the hanger 50 conveyed along an assembly line (not shown).
Are located on the sides of the clamping jigs 10A and 10B, respectively, as shown in FIG. And, if necessary, the slide mechanism 56 of the hanger 50 (see FIG. 5).
Moves the left clamp device 52A to an appropriate position. Subsequently, as shown in an enlarged view of the right side of FIG. 10A, 10
The hook portions 13A and 13B in B are hooked and engaged respectively. When the hook portions 13A, 13B are engaged with the setting pins 53A, 53B, the clamping jig 10
The lower edges of the outer plates 11A and 11B in A and 10B are placed on the pressing portions 56A and 56B of the hanger 50, respectively. In this manner, the hooks 13A, 13B are fixed to the setting pins 53A, 53B, and the pressing portions 56A,
Since it is fixed to 56B, positioning can be performed reliably and easily. Thereafter, the levers 55A and 55B of the hanger 50 are respectively operated to protrude the pins 54A and 54B for positioning, so that the clamping jig 10
Positioning holes 14B formed in outer plates 11A, 11B of A, 10B (the left clamping jig 10A is not shown).
To be inserted.

Thus, the clamping jigs 10A, 10B
The main frame F is clamped to the hanger 50 via the clamping jigs 10A and 10B. In the operation of clamping the main frame F to the hanger 50, the hook portions 13A and 13B formed on the clamping jigs 10A and 10B are engaged with the setting pins 53A and 53B of the hanger 50. Therefore, the work is very simple, and for example, it can be easily performed even by only one worker.

The main frame F is connected to the clamping jig 10.
After being clamped by the hanger 50 with A and 10B interposed, the components of the instrument panel P are sequentially attached to the main frame F as shown in FIG. Thus, the instrument panel P is manufactured.

The preferred embodiment of the present invention has been described above, but the present invention is not limited to the above embodiment. For example, it is not essential to form a positioning hole, and an embodiment in which this is not formed can be adopted. The work is preferably the main frame of the instrument panel, but can be applied to other works.

[0022]

As described above, claim 1 of the present invention is as follows.
According to the invention according to (1), in a hanger for an assembly line, even a work having a short width that does not reach a predetermined length can be clamped by interposing a work clamping jig. Moreover, the workability is very good. According to the second aspect of the invention, the clamped work can be accurately positioned.
Furthermore, according to the third aspect of the present invention, since the work is an instrument panel having a main frame,
The work clamp jig according to the present invention can be suitably used.

[Brief description of the drawings]

FIG. 1 is an enlarged perspective view of a work clamping jig according to the present invention.

FIG. 2 is an exploded perspective view showing a state in which a work clamping jig is attached to a frame in the assembly line hanger according to the present invention.

FIG. 3 is a process diagram showing a procedure for manufacturing an instrument panel P by clamping the main frame F using the clamping jig 1 according to the present invention.

FIG. 4 is an enlarged perspective view showing a state in which the main frame is engaged with a hanger with a clamping jig interposed.

FIG. 5 is a perspective view of a hanger conventionally used.

[Explanation of symbols]

 1 Clamping Jig 10A Left Clamping Jig 10B Right Clamping Jig 11A, 11B Outer Plate 12A, 12B Inner Plate 13A, 13B Hook 14A, 14B Positioning Hole 15A, 15B Connection Bar 16A, 16B Projection 50 Hanger 51 Frame Body 52A, 52B Clamping device 53A, 53B Setting pin 54A, 54B Positioning pin

Claims (3)

[Claims] 1. An assembly line hanger which is transported along an assembly line and includes a set pin for clamping a work, wherein the hanger is used between the assembly line hanger and the work, and is used for the set. A work clamp jig for a hanger for an assembly line, wherein a hook portion for engaging with a pin is formed. 2. The assembly line according to claim 1, wherein a positioning pin is provided on the assembly line hanger, and a positioning hole into which the positioning pin is inserted is formed. Jig for work clamps on a hanger 3. A jig for clamping a work on a hanger for an assembly line according to claim 1, wherein the work is an instrument panel having a main frame.