JPS58212948A - Device for manufacturing instrument panel - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for manufacturing an instrument panel mainly used as an interior material for automobiles.

Traditionally, to manufacture instrument panels.

When a semi-rigid skin material such as polyvinyl chloride and a hard core material such as ABS resin are molded between molds, a foamable resin such as polypropylene is inserted into the space formed between the skin material and the core material. It is then filled with foam and heated to foam.

According to such conventional means, there were problems in that it took a long time to foam, irritating gas was generated during foaming, and it was difficult to control temperature and humidity. A composite sheet in which a skin material and a foam sheet are bonded together in advance is wound around a roll, etc., and this pillow base sheet is cut into a predetermined length. The sheet is then heated in a trench near its softening point, then guided to a molding station and pressed between molds using a separately prepared core material and adhesive.Manufacturing instrument panels. The device was published in Japanese Unexamined Patent Publication 1973-
No. 144478.

In such manufacturing equipment, the input station.

An endless conveyor chain is provided that circulates through the heating station/forming station, and the sheet is pierced with a prick provided on the conveyor chain to sequentially convey the sheet through each station. For this reason, the sheet must be conveyed while maintaining the positional relationship at each station, making it impossible to operate independently, and there is a problem that the molding cycle must be determined according to the slowest station. .

Additionally, since the conveyance ceno passes through a heating station, it must be constantly cooled, which affects its durability.

Furthermore, since a conveyor cheno is installed in the molding station, the molding method is restricted, such as having to move both the upper and lower molds depending on the position of the sheet being held in the conveyor cheno. be.

The present invention has been made to solve the above problems,
The aim is to charge, heat, and form the material under the optimal working conditions for each station.

Moreover, it is an object of the present invention to provide an apparatus for manufacturing an instrument panel that is not limited in its molding method and has excellent durability.

In order to achieve the above object, the present invention aims to manufacture an instrument panel in which a core material and a sheet are crimped together.

In the instrument panel manufacturing apparatus in which a sheet inputting device, a sheet heating device, and a forming device for pressure-molding the heated sheet and a core material are arranged in series in each of a sheet inputting station, a heating station, and a forming station, the above-mentioned The sheet loading device is provided with a rail that can be moved up and down on which a trolley that removably holds the sheets can run.
The heating device includes a two-part rail and a bottom rail that are fixedly installed at the respective positions of the rising end and the falling end of the rail provided in the sheet loading device, and a heating device at the top and bottom positions of the top rail. A heater is provided, and the forming device is further provided with an auxiliary ram that moves up and down between positions corresponding to the upper rail and the lower rail, and a rail for running the bogie is attached to this auxiliary ram. It is said that

An example of the implementation of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is an overall front view of the instrument panel manufacturing apparatus according to the present invention. A sheet feeding device 2, a heating device 3 at the heating station, and a forming device 4 at the forming station are arranged, respectively.

As shown in FIG. 2, the sheet loading device 2 is provided with a rail 6 at the bottom of a frame 5 made of steel, and through this rail 6, a biohard skin material such as polyvinyl chloride and foamed material are connected to each other. A sheet pallet 8 containing a large number of unit sheets 7 which are pasted together and cut to a predetermined length can be freely inserted into and taken out from the sheet input device 2.

Further, an elevating cylinder 9 is provided at the upper part of the frame 5, and a movable plate 11 is provided at the lower end of the piston rod 10 of this elevating/lowering/link 9.
is installed, and the movable plate 11- is moved by the operation of the lifting cylinder 9.
is moved up and down within the frame 5 along rods 12.12. A support plate 13 is provided at the end of the movable plate 11.
... is installed vertically, and the rail 1 is supported by this support plate 13...
A mounting plate 15 is provided on one of the supporting plates 13..., and the cylinder 1 is mounted on this mounting plate 15.
6 is fixed. As the movable plate 11 moves up and down, the rail 14 and cylinder 16 also move up and down.

An elevating cylinder 17 is fixed to the movable plate 11, and a suction member 20 with a suction plate 19 is attached to the lower end of the piston rod 18 of the elevating cylinder 17. 20 descends, attracts the unit sheet 7 in the sheet pallet 8, and lifts it upward.

Further, the rail 14 has a shape in which a groove portion opens inward, and a unit sheet conveyance truck 21 shown in FIGS. 3 to 7 is fitted into the rail 14 so as to be able to run freely. I have to. This truck 21 will be explained in the state shown in FIG. 3. A vertical member 25 with a sheet guide plate 24° 24 installed between the left end portions of parallel horizontal members 22 and 23 is constructed to form a substantially inverted U-shape in plan view. The horizontal member 22.
On the outside of both ends of 23, fitting portions with rails as shown in FIGS. 4 and 5 are provided. In other words, if we take the right end of the horizontal men's shaft 22 as an example, and the horizontal men's shaft (22) is
6, and a roller 27 that fits into the groove of the rail 14 is rotatably attached to this shaft 26, and the twisted horizontal member 2
A support piece 28 extending outward is fixed to the lower surface of the end of the small roller 2, and the lower end of the rail 14 is held between the support piece 28.
9.29 is attached rotatably.

On the upper surface of the left end of the horizontal member 22, as shown in FIG. 6, a retaining part 30 having an upwardly opening groove 30a is attached, and also on the right end of the horizontal member 23, as shown in FIG. An engaging portion 31 having a groove portion 31a opening upward is attached. Then, the retaining piece 16b inserted into the tip of the rod 16a of the cylinder 16, or the engaging piece of the cylinder provided on the molding device 4, which will be described later, is fitted into the grooves of these engaging parts 30, 31 to operate the cylinder. By that,
The stand. The car 21 is made to run along the rails.

A support piece 32.3 is attached to the right end of the twisted horizontal members 22 and 23.
2 is fixed inward, and a hollow square pipe 33 with a plurality of holes 33fa bored at predetermined locations on the upper surface is installed between this support piece 32 and the vertical member 25 as shown in FIG. are doing. Then, the shaft 36 is inserted between the support piece 32 and the brackets 34 and 35 erected on the vertical member 25, and this shaft 3
6, the base of an arm 37 with a roller 37a attached to the tip is inserted so as to rotate integrally with the shaft 36,
A clamp rod 38 with a needle 38a at the tip is attached to the twisted shaft 36.
at the same intervals as the holes 38a of the square vibrator 33 and the shaft 36.
It is attached at a predetermined angle offset from the arm 37 with the center at the center. As shown in FIG. 2, the cylinder 39 fixed to the movable plate 11 is retracted from the state where the rod tip 39a of the cylinder 39 is outside the arm 37 as shown in the figure 8. When the operation is performed, the rod tip 39a hits the arm 37 as shown in FIG. 8B, causing the arm 37 to rotate clockwise in the figure. Then, the shaft 36 also rotates, and the rotation of the shaft 36 causes the clamp rod 38 to fall down, and the needle 38a provided on the clamp rod 38 pierces the end of the sheet 7 placed on the top surface of the corner pipe 33 and enters the hole 33&. It is designed to hold the edge of the sheet 7.

The heating device 3, which is installed adjacent to the sort input device 2, has an exhaust duct 41 in the second part of the box-shaped main body 40, and an opening 42 in the upper part of the left and right side walls of the main body 40. 42 is formed, and this opening 42.42 is opened and closed by a door 44.44 that moves up and down by the operation of a cylinder 43.43, and openings 45.45 are also formed at the bottom of the left and right side walls of the main body 40. 1~. Then, an upper rail 46 is fixed at a position within the main body 40 that is at the same height as the rising end of the rail 14 that can be raised and lowered provided in the note insertion device 2, and both ends of this upper rail 46 are connected to the left and right upper openings 42. The lower rail 4 is located at a position within the main body 40 so as to protrude from the .
7 is fixedly installed and protrudes from both ends of this lower rail 470 or from the left and right lower openings 45.45. Furthermore, heaters 48.degree. 48 are provided above and below the upper rail 46.

As shown in FIGS. 1 and 9, four pillars 50 are erected on the base 49 of the molding device 4 adjacent to the heating device 3.
A fixed plate 51 is fixedly installed on the upper part of this support 50, and a lifting cylinder 52 is provided on this fixed plate 51, and a rod 53 of this is provided.
A movable plate 54 whose end is slidably inserted into the support column 50 is attached to the lower end of the column.

A one-tooth mold 55 is provided on the lower surface of the movable plate 54. Thus, the upper die 55 is moved up and down by the operation of the cylinder 52.

An elevating cylinder 56 is installed vertically on the lower surface of the fixed plate 51, and a movable plate 58 is attached to the lower end of the rod 57 of the elevating cylinder 56.
is attached, and the end of this movable plate 58 is fixed to an auxiliary ram 59 that is slidably inserted into the support column 50. As shown in FIG. 10, this auxiliary ram 59 has a rail 61 fixed to a bracket 60 that protrudes inward, and the bracket 6
One of the cylinders 1 and 1 provided in the sort input device 2 is
7 cylinders 62 similar to 6 are provided. The auxiliary ram 59 is raised and lowered by the operation of the lifting cylinder 56, independently of the raising and lowering movement of the upper die 55. and auxiliary ram 59
At the rising end of the auxiliary ram 59, the heights of the rail 61 provided on the auxiliary ram 59 and the upper rail 46 provided on the heating device 3 become equal, and at the descending end of the auxiliary ram 59, the rail 61
and a lower rail 47 provided on the heating device 3 are made to have the same height. Therefore, when the heights of the upper rail 46 and the rail 61 are equal, the cylinder 6
2, the trolley 21 holding the seat 7 moves onto the rail 61. Furthermore, the rods 64, 64 of the pair of 7 cylinders 63, 63 provided on the lower surface of the movable plate 58 protrude, so that the first
When the arm 37 is rotated counterclockwise as shown in Figure 0, the clamp rod 38 also rises, and the sheet 7 is held between the lower mold 66 on which the core material 65 is placed and the upper mold 55. Alternatively, just before this, the state in which the seat 7 is held by the truck 21 is released.

Behind the base 49 (to the right in Figure 9) is a support 6.
7 is arranged, and a cylinder 69 for pushing the lower mold 66 forward [7] onto the support stand 67 and pulling it back is fixed to this support stand 67-H. The dispensing table 68 is provided with rollers 70 on its upper surface for moving the lower mold 66, and is rotatable at its front end, with the front end serving as a fulcrum by the operation of a cylinder 71 disposed below the dispensing table 68. It tilts upwards to make it easier to take out the product.

Next, the overall operation of the instrument panel manufacturing apparatus according to the present invention will be described below.

First, the sheet pallet 8 containing the sheets 7 is placed in the lower part of the sheet loading device 2. And lifting cylinder 1
7 to lower the suction member 20.
The suction disk 19... sucks up one sheet 7. Next, the lifting cylinder 17 is operated to raise the suction member 2° while holding the sheet 7 by shifting the position of the rail 14'.

Next, the cylinder 16 is actuated to cause the rod 16a to protrude, and the retaining piece 16b provided at the tip of the rod 16a is engaged with the engaging portion 31 of the trolley 21 that is engaged with the lower rail 47 of the heating device 3. Thereafter, the cylinder 16 is operated to cause the rod 16a to retract. Then, since the rail 14 is lowered by the same height as the lower rail 47, the truck 21 transfers over the rail 47 to the traveling rail 14.

At this time, the note guide plates 24 and 24 provided on the vertical member 25 of the trolley 21 enter the underside of the seat 7.

/-The end of the door rests on the transverse members 22 and 23 of the truck 21.

After this, as shown in FIG. 8, the cylinders 39 and 39 provided on the movable plate 11 are activated and the arms 37
The needle 38a of the clamp rod 38 pierces the end of the sheet 7 so that the sheet 7 is held by the carriage 21, and then the suction state is released.

Then, the lifting cylinder 9 is operated to move the movable plate 11 and the rail 14, and furthermore, the cart 21 that is locked to the rail 14.
to rise. Then, when the height of the rail 14 and the height of the upper rail 46 of the heating device 3 become equal, the ascent is stopped, the cylinder 16 is activated, and the rod 16a is caused to perform a projecting motion. Then, since the engaging piece 16b at the tip of the rod 16a engages with the engaging portion 31 of the truck 21, the truck 21
After the carriage 21 is pushed into the heating device 3 by the cylinder 16, the engagement between the engagement portion 31 and the engagement piece 16b is released.

After the heat treatment is completed, the lifting cylinder 56 of the forming device 4 is operated to raise the auxiliary ram 59 so that the rail 61 provided on the auxiliary ram 59 and the upper rail 46 are at the same height. Then, actuate the cylinder 62 to cause the rod 62a to protrude, so that the engagement piece 62b provided at the tip of the rod 2a fits into the groove 30a of the engagement portion 3° formed on the horizontal member 22 of the truck 21. do. From this state, the cylinder 62 is operated to cause the retractor 2a to move. Then, the cart 21 travels on the upper rail 46 and transfers to the rail 61. Molding device 4 at this time
The state of the second mold 55, the sheet 7 and the lower mold 66 at this time is as shown in FIG.

Next, the lifting cylinder 52 and the lifting cylinder 56 are operated to lower the upper die 55 and the auxiliary ram 59 separately, and the cylinder 63 attached to the movable plate 58 is operated at an appropriate position to hold the sheet 7 by the carriage 21. The state is released and the sheet 7 is placed on the lower die 66. Thereafter, the upper die 55 is lowered, and between the upper die 55 and the lower die 66, the 7-toe 7 is pressed against the core material 65 whose upper surface is coated with an adhesive 65&. This state is shown in FIG.

Furthermore, as the auxiliary ram 59 descends, the empty platform 1i21 descends at the same position as the lower rail 47 of the heating device 3, and then travels along the rail 61 by the operation of the cylinder 62 and transfers to the lower rail 47 (in the initial state). Return to

On the other hand, once the molding is completed, the lifting cylinder 52 is operated to move the upper die 55 upward, and then the cylinder 69 is actuated to move the lower die 66 onto the dispensing table 6B in front of the base 49, and then the cylinder 71 and the dispensing table 68
Tilt it and take out the product, the instrument panel. Thereafter, the dispensing table 68 is made horizontal, and the lower mold 66 is returned to its original position by the retracting operation of the cylinder 69, thereby completing one cycle.

As described above, the instrument panel manufacturing apparatus of the present invention does not have a conveyor chain that circulates through each station as in the conventional apparatus, but has a running rail at each station.
Since the trolley holding the sheet runs on this traveling rail, there is no need to maintain the positional relationship at each station to transport the sheet, and the transport cheno does not pass through the twisted heating device. Durability is improved, and since the sheet is not held in the conveyance cheno during forming as in the past, the forming position can be selected arbitrarily, so the forming method is not restricted, and the optimum method can be set for each station. It has many advantages such as being able to select the working conditions.

[Brief explanation of drawings]

The drawings show an example of the implementation of the present invention, and FIG. 1 is an overall front view of an instrument panel manufacturing apparatus according to the present invention, FIG. 2 is a side view of a sheet loading device, and FIG. is a plan view of the truck, Figure 4 is a partially enlarged plan view of the truck, and Figure 5 is a plan view of the truck.
The figure is a partially enlarged side sectional view of the trolley, Figures 6 and 7 are partially enlarged side views of the trolley (side view III), and Figure 8 is a side view showing the state before the seat is held by the trolley; B is a side view showing how the sheet is held by the trolley, FIG. 9 is a side view of the forming device, FIG. 10 is a side view of the main parts of the forming device, and FIG. 11 is a side view of the -L mold and the lower mold before molding. A sectional view showing the relationship, and FIG. 12 is a sectional view of the upper mold and the lower mold during molding. In the drawing, 2 is a notebook insertion device, 3 is a heating device, 4 is a molding device, 7 is a sheet, 14, 46, 47° 61 is a rail, 21 is a trolley, 48 is a heating heater, 59 is an auxiliary ram,
65 is a core material. Patent Applicant: Honda Motor Co., Ltd. Agent, Patent Attorney: 1) Yoshimoto Co., Ltd., Patent Attorney - Kuni Ohashi Production Volume: Patent Attorney: Yu Koyama

Claims (1)

[Claims] In order to manufacture an instrument panel in which a core material and a sheet are crimped, an instrument panel is constructed by connecting a sheet feeding device, a sheet heating device, and a molding device that crimps and molds the heated sheet to the core material. In the manufacturing apparatus, the sheet loading device is provided with a rail on which a cart that removably holds sheets can run, and the heating device is provided with a rail that can be moved up and down, and the heating device is provided with a rail that can move up and down on which a cart that removably holds sheets can run. An upper rail and a lower rail for running the bogie are fixedly installed corresponding to the respective positions of the end and the descending end, a heating heater is arranged one foot below the upper rail, and the forming device is further provided with the above-mentioned An instrument panel manufacturing apparatus characterized in that an auxiliary ram that moves up and down between an upper rail and a lower rail is provided, and a rail for running a bogie is attached to the auxiliary ram.