JP2570081Y2 - Seat skin fixing device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat cover fixing device for fixing a seat cover to a seat pad.

[0002]

2. Description of the Related Art Conventionally, for example, when a seat pad is put on a seat pad of a vehicle seat, a hand tool is used for fixing the seat cover. FIG. 9 shows an example of the vehicle seat 10, and FIG. 10 is a cross-sectional view of a main part for describing an operation of fixing a seat skin in a portion A of FIG. 9. In FIG. 10, a hanging cotton cloth 4b is sewn at a predetermined position on the back of the sheet skin 4, and a hanging wire 4c passes through the hanging cotton cloth 4b formed in a tubular shape. On the other hand, the seat pad 11 is formed by integrally foaming urethane so that the insert wire 2b is provided at the bottom of the narrow groove 12. When the seat skin 4 is put on the seat pad 11, the two wires 2b and 4c are brought into close proximity to each other, and the hand tool 13 is used to bind a plurality of places by the C ring 9.

[0003]

However, since the above-mentioned conventional fixing work of the seat cover is performed by the hand tool 13, depending on the skill of the operator, the C-ring 9 may be used.
The sheet surface 4 is liable to be damaged or misaligned, which may cause the sheet skin 4 to be torn or wrinkled, thereby destabilizing the quality of the product. Furthermore, the bundling work using the hand tool 13 while adjusting the tension of the sheet skin 4 is inferior in workability because the hand tool 13 is heavy, and combined with a large number of bundling points, it becomes heavy labor, and the operator is injured by an operation error. There was also a fear of doing. In view of the above, an object of the present invention is to solve the problem of automating the operation of binding wires for fixing a seat cover to a seat pad.

[0004]

The technical means for solving the above-mentioned problems is to configure the seat-skin fixing device as follows. That is, the insert wire attached to the groove formed in the seat pad and the suspension wire attached to the back of the seat skin are brought into close proximity and bound with a stopper, so that the seat pad is attached to the seat pad. A seat skin fixing device for fixing a seat skin, wherein when the seat pad having a plurality of through holes orthogonal to the groove and vertically penetrating is placed, the seat pad is inserted into the through hole and the insert is inserted. A pad positioning jig having a receiving stand on which a plurality of support portions capable of holding a wire are erected, and a plurality of grippers for gripping the hanging wire in a state capable of being immersed in the groove when the sheet skin is mounted. A skin positioning jig provided with arms, and the skin positioning jig having the seat skin mounted on the sheet pad placed on the pad positioning jig; When it is location,
A work presser for fixing the skin positioning jig after pressing the skin positioning jig against the seat pad in a state where the hanging wire is immersed in the groove,
A robot for automatically bundling the insert wire and the suspension wire brought into close proximity to each other by the work presser at a plurality of locations is provided.

[0005]

According to the seat-skin fixing device having the above structure, when the seat pad is placed on the pad positioning jig, the support wire is inserted into the through hole and the insert wire is clamped, so that the insert wire is positioned at a predetermined position. Supported. On the other hand, a skin positioning jig is mounted on the seat skin to be put on the seat pad, and the skin positioning jig gripping the hanging wire so as to be immersed in the groove is placed on the seat pad. Next, the skin positioning jig is pressed against the sheet pad by the work presser, and the insert wire and the suspending wire are brought into close proximity and fixed. Then, both wires are bound by a stopper by a robot.

[0006]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view showing the entire system of the seat skin fixing device. In FIG. 1, a pad positioning jig 3 on which a seat pad 2 of a vehicle seat is mounted is installed on a base frame 1, and a skin positioning jig 5 with a seat skin 4 mounted thereon is moved from above the seat pad 2. A work presser 6 for pressing is provided next to the work presser 6, and a robot 7 for fixing the sheet skin 4 is provided. The control device 8 of the seat skin fixing device includes a control panel 8a for controlling the robot 7, a C-ring driving tool 7a attached to the end of the arm of the robot 7, and a cylinder 6b provided on the workpiece presser 6. Is controlled by a jig control panel 8b for controlling the air conditioner and an air panel 8c having an electromagnetic valve and the like. FIG. 2 is a perspective view showing the sheet skin 4 and the skin positioning jig 5. FIG. 3 is a perspective view of a main part showing a mounting state of the two. In both figures, the sheet skin 4 is shown with its outer edge turned upside down,
A notch 4a is provided at a predetermined position on the back surface of the sheet skin 4.
The hanging cotton cloth 4b formed in a tubular shape is sewn in. Further, a suspending wire 4c is inserted through the tubular portion, and the suspending wire 4c is exposed in the cutout 4b.

The skin positioning jig 5 has six arms 5b to 5b extending from a U-shaped frame 5a, and a resin attachment 5c is attached to the tip of each arm 5b. The attachment 5c is provided with a slit 5d in the shape shown in the figure, the entrance width of which is formed slightly smaller than the diameter of the hanging wire 4c.
Therefore, when the seat cover 4 is mounted and the attachment 5c and the hanging wire 4c are engaged with each other in the notch 4a, the part of the attachment 5c where the slit 5d is formed is elastically deformed, so that the worker has an appropriate feeling of wearing. And the hanging wire 4c is gripped in the slit 5d. Further, the central portion of the sheet skin 4 mounted on the skin positioning jig 5 is arranged in a predetermined shape via the hanging cotton cloth 4b.

Next, FIG. 4 is a perspective view showing a pad positioning jig 3 on which the sheet pad 2 is placed, and FIG.
FIG. 4 is a partial cross-sectional view showing a state where a seat pad 2 is fixed on a pad positioning jig 3. In both figures, the seat pad 2 is formed by integrally foaming a resin such as urethane in a state where the insert wire 2b is provided on the bottom surface of the narrow groove 2a having a shape capable of immersing the suspension wire 4c mounted on the arm 5b. In addition, a through hole 2c is formed at a predetermined position, which is perpendicular to the groove 2a and penetrates vertically. On the other hand, the pad positioning jig 3 is configured such that a plurality of V-groove attachments 3b are arranged on the table 3a at positions corresponding to the insertion holes 2c. The V-groove attachment 3b is formed with a V-groove as shown in the figure, and is for inserting the seat pad 2 into the through hole 2c and engaging with the insert wire 2b to support it when the seat pad 2 is placed. . As shown in FIG. 1, the work presser 6 is provided with a cylinder 6b having a work press attachment 6a attached at the tip thereof at a position above the pad positioning jig 3, and is supplied from the air panel 8c. When operated by air pressure, the attachment 6a moves up and down and generates a required pressing force. Also, work holder attachment 6
a has an engagement portion corresponding to the U-shaped frame 5a, and is formed so that there is no displacement when the skin positioning jig 5 is pressed against the seat pad 2. I have.

Next, an operation of fixing the seat skin using the seat skin fixing apparatus will be described. As shown in FIGS. 2 and 3, first, the outer edge of the sheet skin 4 is turned over, and the attachment 5c of the skin positioning jig 5 is attached to the exposed suspension wire 4c. This operation can be easily performed manually. At this time, since the outer edge of the sheet skin 4 is pressed by the U-shaped frame 5a, it does not return to the front side and covers the hanging cotton cloth 4b, thereby facilitating a binding operation described later. On the other hand, as shown in FIGS. 4 and 5, the seat pad 2 is placed on the pad positioning jig 3, the insert wire 2b is received by the V-groove attachment 3b, and fixed at a predetermined position. Subsequently, the skin positioning jig 5 on which the seat skin 4 is set is placed on the seat pad 2. At this time, if the arm 5b of the U-shaped frame 5a is aligned along the U-shaped groove 2a of the seat pad 2, the suspension wire 4c also sinks into the U-shaped groove 2a, and the insert wire 2b and the suspension wire 4c Can be easily set in a positional relationship close to each other.

When the start switch of the control device 8 is turned on after the completion of the above-described setup, the cylinder 6b is operated, the work holding attachment 6a is lowered, and the U-shaped frame 5a is turned on, as shown in FIGS. And the skin positioning jig 5 is pressed down and fixed. continue,
The robot 7 operates to start the binding operation. This state is shown in FIG. 7, in which the robot 7 inserts the C-ring driving tool 7a into the U-shaped groove 2a of the seat pad 2 at a predetermined position (in this embodiment, three to four places per side), and inserts the wire 2b. And a C-ring 9 into the suspension wire 4c. Although not shown in detail, the C ring 9 is a binding stopper formed in a C shape. As mentioned above,
By the pad positioning jig 3 and the skin positioning jig 5,
Since the insert wire 2b on the seat pad 2 side and the suspending wire 4c on the seat skin 4 side are set in a predetermined positional relationship close to each other, the robot 7 drives the C-ring 9 to bind the two wires 2b and 4c. It is possible to automate the work to be performed, and to carry out the work at high speed, accurately, safely and reliably. After the completion of the binding work, the work holding attachment 6a is raised, and the used skin positioning jig 5 is removed, thereby completing the sheet skin fixing work. This state is shown in FIG.

According to the seat-skin fixing device according to the present invention, the insert wire 2b and the suspension wire 4c can be fixed to a predetermined position by bringing them close to each other.
Since the operation of driving the ring 9 and bundling the wires 2b and 4c is automated, the C ring 9 is hardly damaged or misaligned, so that the sheet skin 4 is not broken or wrinkled. In addition, compared to work using conventional hand tools,
Since the variation in the fixing position of the seat skin 4 with respect to the seat pad 2 is eliminated, the product quality can be made uniform and the occurrence of defects can be eliminated. Further, since the operator does not need to operate the hand tool while adjusting the tension of the seat skin 4, the workability is improved.

[0012]

As described above, in the seat-skin fixing device according to the present invention, the pad positioning jig, the skin positioning jig, and the work presser bring the insert wire and the suspension wire into a predetermined position in close proximity. Since it is fixed, the robot can automate the work of binding both wires, which improves the workability of fixing the sheet skin, and accurately attaches the stopper, thereby improving product quality. Can be made uniform.

[Brief description of the drawings]

FIG. 1 is a front view showing an entire system of a sheet positioning device.

FIG. 2 is a perspective view showing a sheet skin and a skin positioning jig.

FIG. 3 is a main part perspective view showing a state in which a skin positioning jig is mounted on a sheet skin.

FIG. 4 is a perspective view showing a seat pad and a pad positioning jig.

FIG. 5 is a sectional view of a main part showing a fixed state of the seat pad.

FIG. 6 is a perspective view illustrating the operation of a work holding attachment.

FIG. 7 is a perspective view of a main part for explaining a wire binding operation.

FIG. 8 is a perspective view showing a state in which the sheet skin fixing operation has been completed.

FIG. 9 is a perspective view showing a vehicle seat according to a conventional example.

FIG. 10 is a cross-sectional perspective view of a main part for explaining a sheet skin fixing operation according to a conventional example.

[Explanation of symbols]

 2 Sheet pad 2b Insert wire 3 Pad positioning jig 3b V-groove attachment 4 Seat skin 4c Suspension wire 5 Skin positioning jig 5c Attachment 6 Work presser 6a Work press attachment 7 Robot 7a C ring driving tool 9 C ring

Claims (1)

(57) [Scope of request for utility model registration] 1. The seat according to claim 1, wherein an insert wire attached to a groove formed in the seat pad and a suspending wire attached to the back of the seat skin are brought into close proximity to each other and bound by a stopper. A seat skin fixing device for fixing the seat skin to a pad, the seat skin fixing device being inserted into the through hole when the seat pad having a plurality of through holes orthogonal to the groove and vertically penetrating is placed. A pad positioning jig having a receiving stand on which a plurality of support portions capable of holding the insert wire are erected,
When the seat skin is mounted, a skin positioning jig provided with a plurality of arms for gripping the hanging wire in a state capable of being immersed in the groove, and the seat pad mounted on the pad positioning jig. When the skin positioning jig on which the seat skin is mounted is placed, the skin positioning jig is pressed against the seat pad while the hanging wire is immersed in the groove, and then the skin positioning jig is pressed. A work presser for fixing the tool, and a robot for automatically binding the insert wire and the suspension wire brought into close proximity to each other by the work presser at a plurality of locations. Seat skin fixing device.