JP2005185487A - Manufacturing equipment of seat for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide manufacturing equipment of a seat for vehicles that can arrange a skin material to a metal mold with good accuracy. <P>SOLUTION: Manufacturing equipment of a seat for vehicles S the seat section of which is covered with the skin material 11 is provided with an arrangement means 1 for arranging the constitution members of the seat for vehicles including the skin material 11 and a skin material setting means 5 used for arranging the skin material 11 to the arrangement means 1. The skin element setting means 5 is equipped with a frame part 5a formed in an outline shape of the arrangement means 1 and a terminal area holding section 5b that holds the terminal area of the skin material 11 provided at a prescribed position of the frame part 5a. The terminal area holding section 5b is provided with a clip member equipped with a turning piece that attaches to and detaches from the frame part 5a and a supporting member that pivotally supports the turning piece of the clip member on top of the frame section 5a. The end area of the skin material 11 is released by the force that the end area of the skin material 11 is pulled toward the arrangement means 1 side. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an apparatus for manufacturing a vehicle seat, and more particularly to an apparatus for manufacturing a vehicle seat in which a seat surface portion is covered with a skin material.

  As shown in FIG. 16, the vehicle seat 100 disposed in a motorcycle or the like is formed by placing a cushion material 120 on a bottom plate 130 and covering with a skin material 110. The terminal region 110a of the skin material 110 is fixed to the back side of the bottom plate 130 by staples 140 or welding.

Some vehicle seat manufacturing apparatuses use a vacuum mold. In this manufacturing equipment, the skin material is placed in a vacuum mold, the skin material is formed into a three-dimensional shape by vacuum forming, a cushion material and a bottom plate are laminated on this skin material, and the end region of the skin material is fixed to the bottom plate. By doing so, a vehicle seat is manufactured (for example, see Patent Document 1).
JP-A-10-167139 (page 3, FIGS. 1 and 2)

In the technique of the above-mentioned Patent Document 1, when the skin material is disposed in the vacuum mold, it is directly placed on the mold. At this time, since the concave shape of the mold is covered with the skin material, it is difficult to accurately arrange the skin material along the concave shape.
For this reason, as shown in FIG. 1 of the cited document 1, a skin material larger than the mold concave portion is used and the skin material is disposed so as to largely cover the concave portion.
However, according to the above conventional method, since a skin material larger than the concave shape of the mold is used, it is necessary to cut the terminal area of the skin material after laminating the cushion material and the bottom plate. There was a problem that it took.
In addition, since a large skin material is used, there is a problem that the cost increases.
The objective of this invention is providing the manufacturing apparatus of the vehicle seat which can arrange | position a skin material to a metal mold | die accurately.

  According to the vehicular seat manufacturing apparatus according to claim 1, the subject is a vehicular seat manufacturing apparatus in which a seat surface portion is covered with a skin material, and the vehicle seat constituent member including the skin material is provided. A disposing means to be disposed; and a skin material setting means used to dispose the skin material on the disposing means, wherein the skin material setting means is formed in an outer shape of the disposing means. And a terminal area holding section that is provided at a predetermined position of the frame section and holds a terminal area of the skin material, and the terminal area holding section is pivoted so as to be separated from the frame section. A clip member provided with a piece, and a support member that pivotally supports the rotating piece of the clip member on the frame portion. The rotating piece of the clip member has the end region of the skin material arranged in the arrangement. The end area of the skin material is released by the force pulled toward the installation means side. It is.

According to the vehicle seat manufacturing apparatus of the present invention, it is provided with the mold as the disposing means and the skin material setting means formed in the same manner as the outer shape of the mold. Since the skin material is placed after the skin material is fixed, the skin material setting means is placed on the mold, so that the skin material can be placed with high accuracy.
Further, since the skin material can be positioned, it is possible to use a skin material that has been cut into a predetermined shape in advance. Therefore, it is not necessary to use a skin material having a size larger than necessary as in the prior art, and the cost can be reduced. Moreover, the process of cutting the skin material after the bottom plate is arranged is not necessary, and the number of manufacturing steps can be reduced.
Furthermore, since the clip member of the skin material setting means is configured to release the terminal area of the skin material by the force with which the terminal area of the skin material is pulled toward the arrangement means side, for example, vacuum forming with a mold When performing, the skin material is released from the skin material setting means simply by performing an operation for bringing the skin material into close contact with the mold. Thus, according to the present invention, it is possible to omit the trouble of removing the skin material from the skin material setting means after the skin material is disposed.

Note that the clip member may include a holding piece corresponding to the rotating piece. The skin material setting means is preferably detachable from the arrangement means. That is, when the skin material setting means is detachable, it is possible to dispose the skin material on the skin material setting means in a wide place where the work can be easily performed. When the skin material is disposed, the skin material setting is completed only by disposing the skin material setting means on the mold.
In addition, it is preferable that the skin material setting means includes a seating surface region holding portion that holds the seating surface region of the skin material in a three-dimensional shape. When the skin material is disposed in the mold, the skin material is disposed in accordance with the concave shape of the mold.
When holding the skin material in a three-dimensional shape, as described above, while having a seating surface region holding portion that holds the seating surface region of the skin material in a three-dimensional shape, while maintaining the three-dimensional shape of the skin material The skin material can be easily disposed on the frame portion.

According to the vehicle seat manufacturing apparatus of the present invention, it is provided with the skin material setting means formed in the same outer shape as the mold, and after the skin material is fixed in advance by this skin material setting means, the mold Therefore, the skin material can be easily and accurately disposed.
Further, by using the skin material setting means, it is possible to use a skin material that has been cut into a predetermined shape in advance, so that it is possible to reduce costs and manufacturing man-hours.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. It should be noted that members, arrangements, and the like described below do not limit the present invention, and it goes without saying that various modifications can be made in accordance with the spirit of the present invention.
FIG. 1 is an explanatory view showing the overall configuration of a vehicle seat manufacturing apparatus according to the present embodiment, FIG. 2 is a perspective view showing a frame portion and a terminal area holding portion of the skin material setting means, and FIG. 3 is a diagram of the skin material setting means. FIG. 4 is a perspective view showing the skin material and the skin material setting means, FIGS. 5 and 6 are explanatory views of the terminal area holding portion, and FIG. 7 shows the skin material setting means and the mold. FIG. 8 and FIG. 9 are explanatory views showing the operating state of the skin material setting means.

  In this example, a description will be given based on a motorcycle seat as the vehicle seat. Vehicle seats include not only motorcycles, that is, those used on land motorcycles and scooters, but also snowmobiles and water bike seats, as well as three-wheel buggy vehicles, straddle-type vehicles, or construction machinery. Includes vehicle seats for seats.

The vehicle seat includes a skin material 11, a cushion material 12, and a bottom plate 13.
The skin material 11 is made of a resin sheet having heat-welding properties, and is made of a polyvinyl chloride resin, a polyolefin resin, an acrylic resin, or the like.
If necessary, various additives such as a plasticizer, a stabilizer, an antioxidant, an ultraviolet absorber, a lubricant, an antistatic agent, a pigment, and an inorganic filler may be added.
The cushion material 12 is formed of a flexible foam material such as urethane foam, PP (polypropylene) foam, or PE (polyethylene) foam, and is placed on the bottom plate 30.
The cushion material 12 is covered with the skin material 11. The cushion material 12 and the skin material 11 may be formed as separate bodies, or the cushion material 12 and the skin material 11 may be integrally formed.

  The bottom plate 13 is made of a thermoplastic resin such as PP (polypropylene) or ABS resin. In addition, you may use the bottom plate 13 shape | molded using PPG (polypropylene containing glass fiber) and PPT (polypropylene containing filler) which are fiber reinforced resins.

Next, the vehicle seat manufacturing apparatus S of this example will be described.
The vehicle seat manufacturing apparatus S of the present example includes a molding die 1 as an arrangement means on which components of the vehicle seat are disposed, a presser frame 2 that fixes a terminal region 11a of the skin material 11, and a vehicle A pressurizing means 3 for pressurizing the constituent members of the seat and a skin material setting means 5 for arranging the skin material 11 in the mold are provided.
The mold 1 is, for example, a vacuum mold. In the case of a vacuum mold, the skin material 11 is evacuated and formed into a predetermined shape. In this case, in order to facilitate the molding of the skin material 11, the skin material heating means 7 for heating the skin material 11 is provided.
Further, when the skin material 11 and the bottom plate 13 are heat-welded, the heating / melting means 5 for heating until at least a part of the back side of the bottom plate 13 is melted is provided.

The presser frame 2 presses and seals the skin material 11 over the entire circumference of the mold 1, and is moved in the vertical direction above the mold 1. The presser frame 2 is formed in substantially the same shape as the periphery of the mold 1 and is pressed against the periphery of the mold 1. The presser frame 2 is configured to be in close contact with the peripheral edge of the mold 1 and fix the skin material 11.
The presser frame 2 is suspended from the frame 10 via a lifting / lowering device 9 including a rod 2a and an air cylinder connected to the rod 2a. The elevating device 9 is connected to a pressure supply source (in this example, an air supply source) and is operated by air supply so that the presser frame 2 can be moved up and down by extending and contracting the rod 2a.
The pressurizing means 3 is suspended from the frame 10 via a rod 3a and an elevating device 9 comprising an air cylinder connected to the rod 3a. The pressurizing means 3 can be moved up and down on the molding die 1 by the operation of the lifting device 9 and pressurizes the constituent members of the vehicle seat disposed on the molding die 1, similarly to the presser frame 2 described above. It is configured.

As shown in FIGS. 2 to 4, the skin material setting means 5 of this example is provided with a frame portion 5 a formed in the outer shape of the mold 1 and a terminal of the skin material 11 provided at a predetermined position of the frame portion 5 a. The terminal area holding | maintenance part 5b which hold | maintains the area | region 11a, and the seat surface part area | region holding part 5c which hold | maintain the seat surface part area | region 11b of the skin material 11 in a three-dimensional shape are provided.
The skin material setting means 5 is for holding the skin material 11 and arranging the skin material 11 at a predetermined position of the mold 1 with high accuracy. When the skin material setting means 5 is used, the skin material 11 is arranged on the skin material setting means 5 in a space where it is easy to work, and the skin material setting means 5 is carried to the mold 1 and placed on the mold 1. .
If a plurality of skin material setting means 5 are prepared, the skin material 11 can be sequentially disposed on the skin material setting means 5, and the work can be carried out efficiently.

The skin material setting means 5 is disposed at a predetermined distance from the mold 1.
For example, when the molding die 1 is provided with the skin material folding means 4 as shown in FIG. 10, the skin material setting means 5 is disposed on the casing of the skin material folding means 4. In this way, the distance between the skin material setting means 5 and the mold 1 is ensured.
Even when the skin 1 is not provided with the skin material folding means 4 as shown in FIG. 10, the molding die 1 and the skin material setting means 5 are provided by providing projections on the molding die 1 or the frame portion 5a. It is possible to secure a predetermined distance between the two.
The frame part 5 a is formed in substantially the same outer shape as the peripheral part of the mold 1. The frame 5 a has a shape in which the upper surface side in FIG. 2 matches the peripheral edge of the mold 1. Further, the frame portion 5a has a predetermined interval between the frame portion 5a and the seat surface portion region holding portion 5c when the frame portion 5a is disposed on the seat surface portion region holding portion 5c, so that the frame portion 5a can be easily handled. Legs 5d are provided.

As shown in FIG. 5, the terminal region holding portion 5 b includes a clip member 5 e, a support member 5 f that pivotally supports the clip member, and a grip member 5 g that operates the clip member.
A plurality of terminal area holding parts 5b are provided at substantially equal intervals around the frame part 5a, and eight terminal area holding parts 5b are provided in this example.
The clip member 5 e sandwiches the terminal region 11 a of the skin material 11.
The clip member 5e includes a rotating piece 5h that is pivotally supported by a support member 5f fixed to the frame portion 5a, and a holding piece 5i that holds the skin material 11 between the rotating piece 5h. Has been.
The rotating piece 5h is formed in a shape in which the tip is warped so that the skin material 11 is not caught when the skin material 11 is pulled toward the mold 1 side.
The holding piece 5i is provided at a predetermined angle so as to be in close contact with the turning piece 5h when the turning piece 5h moves in a direction in which the skin material 11 is sandwiched.

Further, a gripping member 5g is connected to the rotating piece 5h of the clip member 5e. The grip member 5g is pivotally supported by the support member 5f so as to be rotatable. As shown in FIG. 5, the gripping member 5g has one end connected to the rotating piece 5h of the clip member 5e and the support member 5f. The gripping member 5g and the support member 5f are connected via a rotatable connecting member 5j.
The other end of the gripping member 5g is formed in a shape that is easy for an operator to operate.
FIG. 6 shows a state where the gripping member 5g is pushed down. When the gripping member 5g is pushed down, an end portion of the gripping member 5g located on the rotating piece 5h side is moved upward. Thereby, on the clip member 5e side, the connecting portion with the gripping member 5g is pushed upward. Thus, the rotating piece 5h of the clip member 5e moves downward, and the terminal region 11a of the skin material 11 is sandwiched between the rotating piece 5h and the holding piece 5i.

As shown in FIG. 4, when the skin material 11 is disposed on the skin material setting means 5, it is performed using the seating surface area holding portion 5 c. The seat surface portion region holding portion 5c includes a frame portion holding member 5k formed in substantially the same shape as the frame portion 5a, and a shape holding member 5l that forms a three-dimensional shape inside the frame portion holding member 5k.
The shape holding member 5l is formed in a net shape by linking a plurality of linear steel materials to the frame portion holding member 5k.
Furthermore, the seat surface portion region holding portion 5c is provided with a protrusion 5m that keeps a predetermined distance from the frame portion 5a and makes it easy to put a hand when carrying the frame portion 5a.

  The skin material heating means 7 is configured such that a plurality of heating lamps 7b are arranged on a planar holding body 7a so as to face the mold 1 side. The skin material heating means 7 is for heating the skin material 11 before the skin material 11 is evacuated. By heating the skin material 11 with the skin material heating means 7, the skin material 11 becomes flexible and can be molded well in the mold 1.

When joining the skin material 11 and the bottom plate 13 by heat welding, it is set as the structure provided with the heating-melting means 6. FIG. As the heating and melting means 6, for example, a hot air generator, a hot plate heater, an impulse heater or the like is used. The heating and melting means 6 is configured so that the rod 6 a extends and descends to the position of the bottom plate 13 by operating the lifting device 9, and heats the peripheral edge of the bottom plate 13 on the back surface side.
The hot air generator includes a hot air jet nozzle and a hot air source connected to the nozzle via a duct. During the operation of the hot air type welder, hot air sent from the hot air source is ejected from the nozzle through the duct. Then, the hot air blown from the nozzle is applied to a predetermined portion of the bottom plate 13 and heated.
The hot plate heater has a built-in heating part made of a hot wire or the like in a metal having high thermal conductivity, and is made of, for example, copper or aluminum. And the object which contact | abutted to the hot plate heater is heated when the built-in heating part generates heat.
The impulse heater is composed of a ribbon-like conductive heating wire, and is configured to receive heat from the impulse power supply unit and generate heat rapidly.

  By heating the bottom plate 13 by the heating and melting means 6, the resin melting portion 13 a is formed in the bottom plate 13. The terminal region 11 a of the skin material 11 is pressed against the resin melting portion 13 a and the terminal region 11 a of the skin material 11 is thermally welded to the bottom plate 13.

When the end region 11a of the skin material 11 is thermally welded to the bottom plate 13, for example, the skin material folding means 4 as shown in FIGS. 10 to 15 may be used.
A plurality of skin material folding means 4 are provided around the molding die 1 at a predetermined interval. For example, the entire outer periphery of the die is divided into 20 parts.
The skin material folding means 4 includes a base portion 4a extending from the outside to the inside of the mold 1, a rotating portion 4b that is rotatably held at the distal end side of the base portion 4a, and an extending drive for the base portion 4a. And an air cylinder 4c to be stored in the storage frame 4k.
The base 4a includes a first base 4d and a second base 4e. The first base portion 4d is provided in a pair, and is disposed so that the second base portion 4e is sandwiched between the first base portion 4d. A rotating portion 4b is rotatably held at the distal end side in the traveling direction of the first base portion 4d.
Further, an engagement portion 4o formed with a width in the vertical direction is provided on the rear end side of the first base portion 4d, and can be engaged with a stopper 4l described below.
The stopper 4l is provided above the opening side of the storage frame 4k. The stopper 4l is composed of a fixed stopper 4m protruding inward of the storage frame 4k and a spring member 4n.
The second base 4e is connected to the air cylinder 4c. The second base portion 4e is a rack gear and is provided with sawtooth 4f that meshes with the gear member 4g of the rotating portion 4b.
Since the first base portion 4d and the second base portion 4e are connected via a spring member, the first base portion 4d and the second base portion 4e extend at the same time when the air cylinder 4c is driven.
As the extension proceeds, when the engaging portion 4o of the first base portion 4d engages with the spring member 4n of the stopper 4l, the extension of the first base portion 4d is restricted, and the second base portion 4e becomes the first base portion 4e. It will extend from one base 4d.

The rotation part 4b is comprised from the gear member 4g and the folding member 4h. The gear member 4g can mesh with the saw tooth 4f of the second base portion 4e, and rotates in accordance with the extending operation of the second base portion 4e. The folding member 4h is formed in the shape of a hand with a bent tip.
A plurality of skin material folding means 4 are provided around the mold 1, and the adjacent skin material folding means 4 are connected to each other via a connecting member 4 i and a spring 4 j as an elastic member.
As described above, the adjacent skin material folding means 4 are connected to each other, so that the terminal region 11a of the skin material 11 can be pressed even at this connected portion. Further, all of the end regions 11 a of the skin material 11 can be folded at the same time, and the end regions 11 a of the skin material 11 can be uniformly fixed to the bottom plate 13.

Hereinafter, the operation of the skin material folding means 4 will be described.
The folding member 4h is positioned substantially horizontally as shown in FIG. 11 in the initial state. After the bottom plate 13 is heated and melted to form the resin melting portion 13a, the air cylinder 4c is operated to push out the second base portion 4e.
When the second base portion 4e is pushed out, the rotating portion 4b held by the second base portion 4e is also pushed out. Since the rotating part 4b and the first base part 4d are connected, the first base part 4d is also slid toward the center of the mold 1 by sliding the second base part 4e. As shown in FIG. 12, as the first base portion 4 d and the second base portion 4 e slide, the folding member 4 h held by the first base portion 4 d also slides toward the mold 1.

When the first base portion 4d and the second base portion 4e extend to a predetermined position, the engaging portion 4o of the first base portion 4d engages with the spring member 4n of the stopper 4l as shown in FIG. The extension operation of one base portion 4d is restricted.
When the extension operation of the first base portion 4d is restricted, the second base portion 4e is pushed out from the first base portion 4d, and the gear member 4g of the rotating member 4b is rotated by the saw tooth 4f of the first base portion 4d. Moved. Thereby, the folding member 4h rotates downward.
The first base 4d extends little by little while pressing the spring member 4n while the extension operation is restricted. Therefore, as shown in FIG. 14, the folding member 4 h slides on the back surface side of the bottom plate 13 so as to press the end region 11 a of the skin material 11 against the bottom plate 13.
When the second base portion 4e is further moved toward the center of the mold 1, the engaging portion 4o of the first base portion 4d is engaged with the fixed stopper 4m of the stopper 4l as shown in FIG. Stop. At this time, the forward movement of the rotating part 4b is also stopped. Accordingly, the first base portion 4e moves forward while rotating the rotating portion 4b, and the folding member 4h further rotates downward.
As shown in FIG. 15, the folding member 4 h presses the skin material 11 against the bottom plate 13 while folding it. And it rotates further and the terminal area | region 11a of the skin material 11 is crimped | bonded to the resin fusion | melting part 13a.
The movement of the second base portion 4e is stopped while the skin material 11 is being crimped. And it moves to the direction which reverse | retreats after predetermined time. When the second base portion 4e is retracted, the first base portion 4f is also retracted, and the folding member 4h is rotated upward, away from the skin material 11 and the bottom plate 13, and returned to the original position. In this way, the skin material 11 is fixed to the bottom plate 13 and the terminal process is performed.

Next, the manufacturing method of the vehicle seat of this example is demonstrated. The vehicle seat is manufactured by operating the manufacturing apparatus S in a predetermined procedure.
The operation of the manufacturing apparatus S is performed by automatic control or manual control. In the case of automatic control, the heating state is monitored by a temperature sensor, the processing time is measured by a timer, and each means is automatically operated based on information from these sensors and the timer.
When the manufacturing apparatus S is operated by manual control, an operation panel (not shown) is provided in the vicinity of the manufacturing apparatus S, and each unit is operated by turning on a plurality of switches of the operation panel. So that
The switch is provided corresponding to each of the mold 1, presser frame 2, pressurizing means 3, skin material folding means 4, heating and melting means 6, and skin material heating means 7, and by operating the switch, Each means is configured to be activated or deactivated. In addition, you may make it control using a timer about the start from the operation | movement start of each means.

Here, an example of the flow of the manufacturing process is shown. In the first step, the skin material 11 is disposed on the mold 1.
In this step, the skin material 11 is placed on the skin material setting means 5 and then placed on the mold 1. First, the frame portion 5a is placed on the seat surface portion region holding portion 5c, the skin material 11 is placed on the frame portion 5a and the seat surface portion region holding portion 5c, and the terminal region 11a of the skin material 11 is placed on the terminal region holding portion. It fixes to the frame part 5a with 5b. At this time, as shown in FIG. 4, it arrange | positions so that the surface side of the skin material 11 may become upper.
Next, the frame part 5a is removed from the seat surface part region holding part 5c, and the frame part 5a is inverted as shown in FIG. And the frame part 5a is arrange | positioned in the peripheral part of the shaping | molding die 1 in the state reversed in this way.
At this time, the skin material setting means 5 is disposed such that a predetermined distance is secured between the mold 1 and the skin material setting means 5.
In the second step, the presser frame 2 is lowered to fix the terminal region 11 a of the skin material 11 between the mold 1 and the pressing frame 2.
FIG. 8 is an explanatory view showing a state in which the skin material setting means 5 is disposed on the mold 1, and FIG. 9 is an explanatory view showing a state in which the skin material 11 is fixed by the presser frame 2. In FIGS. 8 and 9, the support member 5f is not shown in order to clearly show the movement of the rotating piece 5h. As shown in the figure, when the terminal region 11 a of the skin material 11 is fixed by the presser frame 2, the skin material 11 is pulled toward the mold 1 side. Then, the turning piece 5h of the clip member 5e holding the skin material 11 is rotated toward the mold 1 side by the force by which the skin material 11 is pulled. Since a predetermined distance is secured between the mold 1 and the skin material setting means 5, the rotating piece 5h is rotated without any trouble. Thereby, the terminal area | region 11a of the skin material 11 is released from the clip member 5e.
In the third step, the skin material 11 is heated by the skin material heating means 7.
In the fourth step, the skin material 11 is vacuum formed. At this time, a texture pattern or the like may be formed on the mold 1 and transferred to the skin material 11. In the fifth step, the cushion material 12 and the bottom plate 13 are set on the skin material 11. In the sixth step, the pressurizing means 3 is lowered to press the constituent members of the vehicle seat from the bottom plate 13 side.

  In the seventh step, the end region 11 a of the skin material 11 is fixed to the bottom plate 13. In order to fix the terminal region 11a of the skin material 11 to the bottom plate, for example, a staple is used. In addition, when fixing the terminal area | region 11a of the skin material 11 to the bottom plate 13 by heat welding, the heat-melting means 6 is lowered | hung and the resin of the peripheral edge part of the back surface side of the bottom plate 13 is heat-melted. When the resin melting part 13a is provided by heating the bottom plate 13, the heating and melting means 6 is pulled up. The presser frame 2 is also lifted.

In the eighth step, the terminal region 11 a of the skin material 11 is folded toward the bottom plate 13, and the terminal region 11 a of the skin material 11 is pressed against the resin melting portion 13 a of the bottom plate 13.
In the eighth step, for example, when the skin material folding means 4 shown in FIGS. 10 to 15 is used, the air cylinder 4 c is operated, and the first base portion 4 d and the second base portion 4 e are in the center direction of the mold 1. To slide. When extending to a predetermined position, the extension of the first base portion 4d is restricted, the second base portion 4e is further extended, and the gear 4g engaged with the saw-tooth 4f of the second base portion 4e rotates. As the gear 4g rotates, the folding member 4h rotates from the upper side to the lower side.
The folding member 4h slides and rotates from the peripheral edge side of the bottom plate 13 toward the inside while being slid and rotated, and is pressed against the resin melting portion 13a of the bottom plate 13 while folding the terminal region 11a of the skin material 11. To go.
Then, the folding member 4 h is further rotated downward and pressed by the bottom plate 13, and the terminal region 11 a of the skin material 11 is pressed against the bottom plate 13. In this way, the end region 11 a of the skin material 11 is welded to the bottom plate 13 and fixed to the peripheral edge of the bottom plate 13.
In the ninth step, the pressurizing means 3 that pressurizes the cushion material 12 and the bottom plate 13 is raised. Note that it is preferable that the upper surface of the peripheral edge of the mold 1 coincides with the bottom plate 13 at the time of pressurization because the skin material 11 can be attached to the bottom plate 13 with an appropriate tension.

The manufacturing apparatus S of this example has at least the second step, the third step, the fourth step, the sixth step, the seventh step, the eighth step, and the ninth step among the above steps. It is possible to perform processing automatically.
In the above embodiment, in this example, the presser frame 2, the pressurizing means 3, the skin material folding means 4, the heating and melting means 6, and the skin material heating means 7 are described as being operated by an air cylinder. Of course, other driving means such as a hydraulic cylinder and a motor may be used.

It is explanatory drawing which shows the whole structure of the manufacturing apparatus of the vehicle seat which concerns on this embodiment. It is a perspective view which shows the frame part and terminal area holding | maintenance part of the skin material setting means which concern on this embodiment. It is a perspective view which shows the seat surface part area | region holding part of the skin material setting means which concerns on this embodiment. It is a perspective view which shows a skin material and a skin material setting means. It is explanatory drawing of a terminal area holding | maintenance part. It is explanatory drawing of a terminal area holding | maintenance part. It is explanatory drawing which shows the state which arrange | positions a skin material setting means to a shaping | molding die. It is explanatory drawing which shows the operating state of a skin material setting means. It is explanatory drawing which shows the operating state of a skin material setting means. It is explanatory drawing which shows an example of a skin material folding means. It is explanatory drawing which shows operation | movement of a skin material folding means. It is explanatory drawing which shows operation | movement of a skin material folding means. It is explanatory drawing which shows operation | movement of a skin material folding means. It is explanatory drawing which shows operation | movement of a skin material folding means. It is explanatory drawing which shows operation | movement of a skin material folding means. It is explanatory drawing which shows a prior art example.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Mold, 2 Holding frame, 3 Pressurizing means, 4 Skin material folding means, 5 Skin material setting means, 5a Frame part, 5b Terminal area holding | maintenance part, 5c Seat surface area holding | maintenance part, 5d Leg part, 5e Clip member, 5f support member, 5g gripping member, 5h rotating piece, 5i holding piece, 5j connecting member, 5k frame holding member, 5l shape holding member, 5m protrusion, 6 heating melting means, 7 skin material heating means, 9 lifting device, DESCRIPTION OF SYMBOLS 10 Frame, 11 Skin material, 12 Cushion material, 13 Bottom plate, S Vehicle seat manufacturing apparatus

Claims (4)

A vehicle seat manufacturing apparatus in which a seat portion is covered with a skin material,
Disposing means for disposing a structural member of the vehicle seat including the skin material;
A skin material setting means used to dispose the skin material on the disposing means,
The skin material setting means includes a frame portion formed in the outer shape of the arrangement means, and a terminal region holding portion that is provided at a predetermined position of the frame portion and holds a terminal region of the skin material,
The terminal region holding portion includes a clip member including a rotating piece that is separated from and contacting the frame portion;
A support member that pivotally supports the rotating piece of the clip member on the frame portion;
The apparatus for manufacturing a vehicle seat, wherein the rotating piece of the clip member releases the terminal region of the skin material by a force by which the terminal region of the skin material is pulled toward the arrangement means. The said clip member was provided with the holding piece corresponding to the said rotation piece, The manufacturing apparatus of the vehicle seat of Claim 1 characterized by the above-mentioned. 2. The vehicle seat manufacturing apparatus according to claim 1, wherein the skin material setting means is detachable from the arrangement means. 2. The apparatus for manufacturing a vehicle seat according to claim 1, wherein the skin material setting means includes a seat surface area holding portion that holds the seat surface area of the skin material in a three-dimensional shape.

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