JPH0631061A - Terminal fixing device for cover covering cushion molding body - Google Patents

Abstract

PURPOSE:To mechanically execute the operation to fix the terminals of a cover covering a cushion molding by pitching the cover covering the cushion molding under specified tension and adhering and fixing the side part terminals of the cover which is pressed and regulated onto the cushion molding to the bottom ends of the side parts of the cushion molding. CONSTITUTION:Hooks 23 move upward to above the hooks 53 of the cover 52 when a pitching unit 20 is driven. The hook parts 23 are then detained by hooks 53 and the side parts of the cover 52 are extended downward. Pressing units 30 are thereafter driven to press the cover 52 onto the cushion molding 51 by means of pressing plates 33, thereby regulating the movement of the cover 52. Adhering jigs 42 are pressed to the side parts and back surface part of the bottom end of the cushion molding 51 via the bottom ends of the side parts of the cover 52. High-temp. steam is then supplied into a box body 42a of the adhering jigs to melt adhesives. The bottom ends of the side parts of the cover 52 are thus adhered to the back surface part of the cushion molding 51.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal fixing device for a cover that covers a cushion molded body.

[0002]

2. Description of the Related Art A seat cushion constituting a seat such as a vehicle seat is generally formed by covering a cushion molded body with a cover, and the side end of the cover is fixed at the lower side end of the cushion molded body. Has been done. 6 (a), 6 (b)
Indicates the terminal processing part of the seat cushion,
In the seat cushion, a frame wire 3a is embedded in a lower end portion of a side portion of a cushion molded body 1, and a hanging cotton cloth 3b sewn to a side end of a cover 2 covering the cushion molded body 1 and a hanging wire 3c. The side end of the cover 2 is fixed to the lower end of the side portion of the cushion molded body 1 by connecting the wires 3a and 3c to each other via the hog ring 4.

[0003]

By the way, when the above-mentioned terminal processing means of the cover is adopted, it is difficult to automate, so that the manual work is mainly performed manually. In addition, the cover 2 is generally formed to be slightly smaller than the cushion molded body 1. By pulling the cover 2 and connecting both wires 3a and 3c with the hog ring 4,
The seat cushion gives a feeling of tension. For this reason, there is a problem that a force is required for the work of tensioning the cover 2 and wrinkles are easily generated on the side portions of the cushion molded body 1 due to the difference in the force of tensioning by the operator. Therefore,
An object of the present invention is to provide a terminal fixing device that can mechanically perform a terminal fixing operation of a cover that covers a cushion molded body, and solve the above problems.

[0004]

DISCLOSURE OF THE INVENTION The present invention is a terminal fixing device for a cover that covers a cushion molded body, wherein a base on which the cushion molded body is placed and a side terminal of the cover that covers the cushion molded body. A terminal which has a hook portion for detachably hooking, and which is disposed below a side portion of the cushion molded body and which hooks a side terminal of the cover by the hook portion during operation and sticks the cover. The squeezing means and a pressing portion that opposes the side upper part of the cushion molded body so as to come into contact with the cushion molded body so as to be separable from each other. The lower end of the cushion molded body has a holding means for pressing the side portion of the cover against the upper side portion of the cushion molded body, and a pressing portion that opposes the lateral lower end portion of the cushion molded body so as to be separable. It is characterized in that it is provided with an adhesive fixing means which is disposed laterally and presses the side end of the cover to the lateral lower end of the cushion molded body by the pressing portion to operate for adhesion. is there.

[0005]

In the terminal fixing device having the above-mentioned structure, the cover covered with the cushion molded body can be attached with a constant tension by operating the terminal attaching means. By operating the holding means, it can be pressed and regulated on the cushion molded body, and the side end of the cover regulated on the cushion molded body can be regulated by operating the adhesive fixing means. It can be adhesively fixed to the lower end of the part. Therefore, according to the terminal fixing device, it is possible to mechanically fix the terminal of the cover without manual work, which does not require manual work such as the work of sticking the cover, and the force for sticking the cover can be increased. It can be kept constant and wrinkles do not appear on the side of the cushion molded body, and the wrinkles do not become apparent.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 schematically shows a terminal fixing device according to the present invention. The terminal fixing device includes a base 10, a plurality of sets of staking units 20 as a terminal staking means, a plurality of sets of pressing units 30 as a holding means, and a plurality of sets of adhesive fixing units 40 as an adhesive fixing means.
The base 10 is in the form of a flat plate, and the base 10 is formed to have a size in which the seat cushion 50 of the rear seat constituting the vehicle seat is placed. In each unit, each striking unit 20 is shown in FIG. 1, FIG. 2, and FIG.
And, as shown in FIG. 5, it is arranged below the side of the seat cushion 50 below the base 10, and the adhesive fixing unit 40 is arranged as shown in FIGS. 1, 3, 4, and 5. It is arranged above the base 10 so as to face the lower end of the side portion of the seat cushion 50. The presser unit 30 is disposed above the seat cushion 50 so as to face the upper surface thereof. The sheet cushion 50 is composed of a cushion molded body 51, a cover 52 covering the molded body 51, and hooks 53 fixed to the lower ends of the side portions of the cover 52.

The tensioning unit 20 includes a pair of first and second units.
It is composed of cylinders 21 and 22 and a hook 23. In the first cylinder 21, the cylinder body 21
The piston rod 21b protruding from the a so as to be able to advance and retreat is the second
Connected to the cylinder body 22a of the cylinder 22,
During operation, the piston rod 21b is moved back and forth to move the second cylinder 22 horizontally. In the second cylinder 22, a hook 23 is fixed to the tip of a piston rod 22b protruding from the cylinder body 22a so as to be able to move forward and backward. The hook 23 is a plate-like member having a J-shaped cross section with a hook portion at the tip, and when actuated, the piston rod 22b
And move up and down together. Hook 23 is base 10
The opening 11 faces the opening 11 from below, and projects upward from the upper surface 12 of the base 10 through the opening 11.

The holding unit 30 is a cylinder body 31.
And a piston rod 32 and a pressing plate 33. In this embodiment, the seat cushion 50
The seat cushion 5 has three sets arranged side by side in parallel.
Move back and forth with respect to the upper surface of 0.

The adhesive fixing unit 40 includes a cylinder 41,
The bonding jig 42 and a support plate 43 that supports the bonding jig 42 are included. The bonding jig 42 is mainly composed of a rectangular box body 42a, and a large number of through holes 42b are formed in the upper surface of the box body 42a and the box body 4a is formed.
A flexible hose 42c is connected to the lower surface of 2a. In the adhesive fixing unit 40, a box body 42 in which a piston rod 41b protruding from a cylinder body 41a of a cylinder 41 so as to advance and retreat constitutes an adhesive jig 42.
In addition to being connected to the central portion of the rear surface of a, a pair of support rods 43a and 43b assembled to the support plate 43 so as to be movable back and forth are connected to both sides thereof. A vacuum pump and a steam generator are connected to the flexible hose 42c via a switching valve. By switching the valves, steam and negative pressure are selectively supplied into the box 42a, and the supplied steam and negative pressure are supplied. Is supplied to the outside through the through hole 42b of the box 42a.

In the terminal adhering and fixing device having such a structure, each of the adhering units 20 and the adhering and fixing unit 40 is in the non-operating state shown in FIG. 5C, and the pressing unit 30 is retracted upward. It is in working condition.
In this state, the sheet cushion 50 to be processed at the terminal is placed on the upper surface 12 of the base 10. In this mounting state, as shown in FIG. 4A, a cushion molded body 51 that constitutes the seat cushion 50 and a cover 52 that covers the cushion molded body 51 are mounted. The cover 52 is a cushion molded body 51.
However, it is in a relaxed state as shown in FIG. In this state, the cover 5
The hook 53 provided at the lower end portion of the side portion of 2 is located above the opening 11 of the base 10.

When the tensioning unit 20 is driven in this state, the second cylinder 22 first operates to advance the piston rod 22b upward, and the hook 23 provided at the tip of the piston rod 22b is integrated with the rod 22b. 4A to the upper side of the hook 53 provided on the cover 52, and the state shown in FIG. Next, the piston rod 22b descends, the hook portion 23 thereof is hooked on the hook 53, and the side portion of the cover 52 is extended downward. Due to this extension force, the cushion molded body 51 is slightly compressed to the state shown in FIG. After that, the pressing unit 30 is driven and the piston rod 32 descends, and as shown in FIG. 5A, the cover 52 is pressed against the upper surface of the cushion molded body 51 by the pressing plate 33 to restrict the movement of the cover 52. To do. When the cover 52 is regulated in this way, the first cylinder 21 of the staking-in unit 20 is driven to drive the second cylinder 21.
The cylinder 22 is retracted to the inoperative position shown in the figure.

Next, when the adhesive fixing unit 40 is driven, the piston rod 41b of the cylinder 41 advances to move the adhesive jig 42 through the lower end of the side portion of the cover 52 to the side and lower surfaces of the lower end of the cushion molded body 51. To press on the part. A hot-melt type adhesive is applied to the lower surface of the cushion molded body 51 in advance, and high-temperature steam is supplied into the box 42a forming the bonding jig 42 when the bonding jig 42 is pressed. As a result, the adhesive melts and the lower end portion of the side portion of the cover 52 is adhered to the lower surface portion of the cushion molded body 51. After that, the supply of steam to the box 42a is stopped and a negative pressure is supplied into the box 42a to cool the bonding portion between the cushion molded body 51 and the cover 52. As a result, the adhesive is solidified, and the bonded portion is firmly bonded and fixed.

As described above, in the terminal fixing device, the cover 52 covering the cushion molded body 51 can be stuck with a constant force by operating the sticking unit 20, and the stuck cover 52 can be pressed down. The cushion molded body 51 is operated by operating the unit 30.
The side end of the cover 52, which can be pressed upward to regulate the movement and which is regulated on the cushion molded body 51, is bonded to the lower side portion of the cushion molded body 51 by operating the adhesive fixing unit 40. Can be fixed. Therefore, according to the terminal fixing device, the cover 52
The terminal can be mechanically fixed without manual work, and a force work such as the covering work of the cover 52 is not required, and wrinkles are generated on the side portions of the cushion molded body 51, which becomes apparent. There is no such thing.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a terminal fixing device according to an embodiment of the present invention.

FIG. 2 is a perspective view of a tensioning unit that constitutes the same device.

FIG. 3 is a perspective view of an adhesive fixing unit that constitutes the same apparatus.

FIG. 4 is a vertical cross-sectional view for explaining the operation of the extension unit of the same device.

FIG. 5 is a vertical cross-sectional view for explaining the operation of the tensioning unit, the pressing unit, and the adhesive fixing unit of the same device.

6A and 6B are a longitudinal sectional view (a) and a partially enlarged vertical sectional view (b) of a terminal processing portion of a seat cushion which is terminal-treated by using a conventional terminal processing means.

[Explanation of symbols]

10 ... Base, 20 ... Slag unit, 21, 22 ...
Cylinder, 23 ... Hook, 30 ... Presser unit, 31 ...
Cylinder, 33 ... Holding plate, 40 ... Adhesive fixing unit, 4
1 ... Cylinder, 42 ... Adhesive jig, 50 ... Sheet cushion, 51 ... Cushion molding, 52 ... Cover, 53 ... Hook.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display area // B29K 105: 04 B29L 31:58 4F

Claims (1)

[Claims] 1. A terminal fixing device for a cover covering a cushion molded body, wherein a base on which the cushion molded body is placed and a side terminal of the cover covering the cushion molded body are detachably locked. Terminal squeezing means which has a hook portion and is disposed below a side portion of the cushion molded body, and which operates to squeeze the side terminal of the cover by the hook portion when operating, and the cushion molding. The cushion has a pressing portion that opposes the lateral upper part of the body so as to be separably abutted, and is disposed above the side portion of the cushion molded body, and the side portion of the cover that is stretched by the pressing portion during operation is the cushion. A pressing means for pressing against the upper side portion of the molded body and a pressing portion that opposes the lateral lower end portion of the cushion molded body so as to be separable from each other, and are disposed on the lateral side of the lower end portion of the cushion molded body. Before A terminal fixing device for a cover for covering a cushion molded body, comprising an adhesive fixing means for performing a bonding operation by pressing a side end of the cover to a lateral lower end of the cushion molded body by a pressing portion. .