JP2006020734A - Manufacturing method and apparatus of cushion pad - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To surely provide a cushion pad of a predetermine physical property, secure the accuracy of a position sticking a plate member, and reduce a labor for sticking in a manufacturing method and apparatus for a seat cushion pad comprising a cushion pad body and the plate member such as a slab pad or the like to be stuck to its surface. <P>SOLUTION: Positioning and sticking are performed using a sticking press-clamping apparatus 1. Respective recessed fitting parts 15 of a lower side pressure clamping board 11 have a slab pad 3 fitted therewith to be fixed. The slab pad 3 is previously provided with a notch 31 for indicating the position of a locking part 21 locking a surface 4. On the other hand, a cushion pad body 2 is fitted in a recessed fitting part 16 of the upper side pressure clamping board 12. Then, adhesive is applied to the surface of the slab pad 3 and the planned sticking part in the cushion pad body 2 with a spray nozzle 14 and then, press-clamping is performed to be stuck. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a method for manufacturing a cushion pad for a seat used for a vehicle seat such as an automobile, and a manufacturing apparatus used therefor. In particular, the present invention relates to a material in which a separate material such as a plate is attached to the surface of a resin foam molded in a mold.

  Cushion pads made of elastic resin foam, such as urethane resin foam, are installed on the seats and backrest parts of the vehicle seat that receives vibrations when the vehicle is running in order to reduce the transmission of vibrations to the passengers and maintain a good ride. It is arranged in.

  In recent vehicle seats, for the purpose of improving seating feeling and vibration transmission characteristics, a plate-like resin foam product cut into a predetermined shape is formed on the seat surface of a cushion pad body made of urethane resin foam or the like. , There is something pasted. This plate-like resin foam product is generally a foam product that is less elastic (softer) than the cushion pad body, and is called “slab pad” or the like (for example, JP-A-11-221131). In addition, a reinforcing pad made of a resin foam may be integrally fixed to the side surface and the back surface of the cushion pad body.

  To attach slab pad etc. to the cushion pad body, (1) Method of pasting the cushion pad body manually ("rear stretch"), or (2) One type of cushion pad body foaming mold The method of integrally forming by arranging as an insert is performed. According to the method of integral foam molding, a post-stretching process requiring a large amount of labor can be omitted, but the slab pad is impregnated with the foamed resin stock solution to form a hard layer at the impregnated portion. There was a problem that the thickness could not be controlled and the variation in physical properties was large. Further, there has been a problem that the slab pad is distorted by a foaming reaction in the slab pad, and the obtained cushion pad is warped.

Therefore, it has also been proposed to arrange a porous sheet material such as a nonwoven fabric on the surface of a slab pad or the like for integral molding (JP-A-10-094686).
JP-A-11-221131 JP 10-094686

  However, with integral foam molding, desired performance may not always be obtained. In particular, manual cushioning is often required when manufacturing cushion pads of high-grade specifications with high performance requirements. . Moreover, since it is affixing by manual work, it is difficult to obtain the accuracy of the affixing position, resulting in variations in the position of the groove and the recessed fitting part.

  The present invention has been made in view of the above problems, and in a cushion pad manufacturing method including a cushion pad main body and a plate-like member such as a slab pad attached to the surface, and a manufacturing apparatus used therefor, Providing products that can prevent the formation of impregnated hardened layers and variations in physical properties as in foam molding, improve the accuracy of the attachment position of plate-like members, and reduce the work required for application try to.

  The cushion pad manufacturing method of the present invention is a cushion pad manufacturing method including a step of attaching a plate-like member to the surface of the cushion pad main body, wherein the plate-like member is positioned and disposed on a first pressure platen. A step of positioning and arranging the cushion pad main body on the second pressure clamping machine, a step of gluing to the bonding surface of the plate-like member or the cushion pad main body, and the first and second pressure clamping machines A step of affixing the cushion pad main body and the plate-like member by pressing.

  In a preferred embodiment, the plate-like member is provided with positioning marks for subsequent processes. In this case, in particular, when a locking metal fitting for fixing the cushion pad skin is embedded in the cushion pad body, the locking position can be easily confirmed, so The productivity of the fixing process can be improved.

  In another preferred embodiment, the first press platen is provided with a concave fitting part into which the plate-like member is fitted, and the peripheral wall of the concave fitting part gradually toward the second pressure platen side. It has a tapered surface that narrows. With such a configuration, it is possible to easily and reliably position and fix the plate-like member with respect to the first pressure platen, and it is possible to improve workability and productivity.

  The cushion pad manufacturing apparatus of the present invention is a device for manufacturing a cushion pad in which a plate-like member is attached to the surface of the cushion pad main body, and includes a first fitting portion for fitting the plate-like member. To cover the bonding surface of the pressure plate, the second pressure plate with a holding portion for positioning and holding the cushion pad body, and the bonding surface of the plate member or the cushion pad body. And a driving device for driving the first pressure platen or the second pressure platen to perform a sticking operation after the adhesive is applied, and to perform a sticking operation by pressure fastening. It is provided with.

  A cushion pad having predetermined physical properties can be obtained reliably, the positional accuracy of attaching the plate-like member can be ensured, and the labor for attaching can be reduced.

  An embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 shows a state in which the affixing pressing device 1 of the embodiment is opened. Each slab pad 3 is held at a predetermined position by the lower pressing machine 11, and the cushion pad body 2 is held by the upper pressing machine 12. In this state, the adhesive is applied to the surface of the slab pad 3 and the corresponding portion of the cushion pad body 2 by spraying the adhesive liquid using the spray nozzle 1. In the illustrated example, the affixing pressure device 1 is configured to be opened and closed in a bivalve shape. In other words, the upper pressing machine 12 is moved up and down by rotating around a shaft on one side of the apparatus base by driving the pair of left and right air cylinders 13.

  FIG. 2 shows a state in which the pressure-applying device 1 of the embodiment is closed and pressure is applied for attachment. As shown in the figure, the upper surface of the lower pressing platen 11 has a shape substantially along the surface on the seating surface side of the cushion pad main body 2, and a recessed fitting portion 15 for fitting the slab pad 3. Is provided. In the illustrated example, the peripheral wall (side wall) 15a of each recessed fitting portion 15 is provided in a tapered shape that swells in a direction protruding from the press platen 11, and holds the slab pad 2 in a predetermined position. . Thereby, it is prevented that the peripheral part of the slab pad 2 partly disengages from the recessed fitting part 15.

  In addition, as shown in FIG. 2, the lower surface of the upper pressing machine 12 has a shape along the back surface of the cushion pad body 2. In the example of illustration, it has the projection part 16 for holding | fitting fitted in the recessed fitting part 26 of the cushion pad main body 2 back surface. Therefore, the cushion pad body 2 is held at a predetermined position of the upper pressure clamp 12 only by covering the cushion pad body 2 on the upper pressure clamp 12. In this way, the cushion pad main body 2 and the slab pad 3 are accurately positioned and held by the upper and lower pressure clamps 11 and 12, and therefore the pressure clamp 11 that maintains a predetermined positional relationship. , 12 is applied with high positioning accuracy. That is, the accuracy of the attaching position can be kept high between the cushion pad main body 2 and the slab pad 3.

  FIG. 3 is a schematic plan view showing a state after the slab pads 3-1 to 3-5 are attached to the cushion pad main body 2. FIG. FIG. 4 is a schematic cross-sectional view showing a state after the skin 4 made of fabric (knitted fabric, woven fabric or non-woven fabric), artificial leather, leather or the like is further attached.

  As shown in FIG. 3, a continuous wire 22 is embedded in the cushion pad main body 2 along a substantially center line of the groove 35 formed between the slab pads 3, and the wire 22 is fixed at a predetermined position. In some places, it is exposed on the surface of the cushion pad body 2 to form a locking portion 21.

  As shown in FIG. 4, each locking portion 21 forms a hanging tool for hooking a C-shaped locking tool (called a hog ring) 41 in order to fix the outer skin 4 to the cushion pad. Specifically, the skin 42 is fixed to the cushion pad by fixing the wire 42 arranged on the outer side of the skin 4 to the locking portion 21 via the C-shaped locking tool 41. At this time, the wire 42 is drawn into the groove 25 of the cushion pad body 2 and the groove 35 between the slab pads 3 and fixes the skin 4.

  As shown in FIG. 3, each slab pad 3 is provided with a notch 31 for indicating the position of each locking portion 21 where the wire 22 is exposed. These notches 31 are provided simultaneously when the slab pad 3 is cut, for example. As described above, since the attaching position accuracy of the slab pad 3 is ensured, when attaching the skin 4 to the cushion pad using the C-shaped locking tool 41, the C-shaped locking tool 41 is attached. The position of the locking portion 21 should be accurately and easily known. Therefore, the working efficiency when attaching the skin 4 can be greatly improved.

  As described above, according to the embodiment of the present invention, when attaching the slab pad 3 to the surface of the cushion pad main body 2, the attaching position accuracy and work efficiency can be greatly improved. In particular, the efficiency of the work of attaching the skin 4 can be improved by making it possible to accurately confirm the position of the locking portion 21 for attaching the skin 4.

  In the said Example, although the slab pad 3 was demonstrated as what is affixed on the seat surface side of the cushion pad main body 2, even if another plate-shaped member is affixed on the back surface etc. of the cushion pad main body 2, it is completely It is the same. Further, the slab pad 3 is not limited to the urethane resin foam similar to the cushion pad main body 2 but may be a resin foam such as polyethylene, and depending on the case, it is made of a three-dimensional net or knitted fabric. It may be.

  Moreover, in order to show the latching | locking part 21, not only the notch 31 but the mark printed on the slab pad 3, a punch hole, etc. may be sufficient.

It is a typical external appearance perspective view which shows the state before pressing about the manufacturing apparatus of an Example. It is typical sectional drawing which shows a mode during pressing about the manufacturing apparatus of an Example. It is a typical top view which shows the state before sticking an outer skin about the cushion pad of an Example. It is a typical section perspective view showing the state after pasting up the skin about the cushion pad of an example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sticking pressure device 11 Lower pressure platen 12 Upper pressure platen 13 Drive cylinder 14 Nozzle for adhesive spray 2 Cushion pad body 21 Locking part 22 Skin locking wire 3 Slab pad 31 Locking Notch for position indication 4 Skin 41 Ring for skin locking

Claims (5)

In the cushion pad manufacturing method including the step of attaching a plate-like member to the surface of the cushion pad body,
Positioning and arranging the plate-like member on the first pressure platen, and positioning and arranging the cushion pad body on the second pressure platen;
A step of gluing to a bonding surface in the plate-like member or cushion pad body;
A method of manufacturing a cushion pad, comprising: attaching the cushion pad body and the plate member by pressing between the first and second pressing plates.   2. The method of manufacturing a cushion pad according to claim 1, wherein the plate-like member is provided with a positioning mark for a subsequent process.   The method of manufacturing a cushion pad according to claim 2, wherein the positioning mark is formed by a notch.   The first press platen is provided with a concave fitting portion into which the plate-like member is fitted, and the peripheral wall of the concave fitting portion forms a tapered surface that gradually narrows toward the second pressure platen side. The method for manufacturing a cushion pad according to claim 1, wherein the cushion pad is manufactured. In an apparatus for manufacturing a cushion pad in which a plate-like member is attached to the surface of the cushion pad body,
A first pressing machine having a recessed fitting part for fitting the plate-like member;
A second pressing machine having a holding part for positioning and holding the cushion pad body;
An applicator for applying an adhesive to the bonding surface of the plate member or the cushion pad body;
A drive device for driving the first pressure-clamping machine or the second pressure-clamping machine to perform affixing operation by pressing in order to perform affixing operation after applying the adhesive; An apparatus for manufacturing a cushion pad.

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