JPH0427610Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention includes a conveyance platform equipped with an extension tool, a bending tool, a pressing tool, and a back plate positioning device,
The present invention relates to a decorative board bending device that can accurately and efficiently bend a decorative board.

In buildings, the inner circumferential surface of an opening such as a door or the intersection of a floorboard and a wall, etc., is coated with a cross finish on one side and a backing plate 5 on the back side, for example, as shown in Figure 4. Decorative frame 4 for picture frames, baseboards, etc., made by folding the attached decorative board 3 into a U-shape
is used.

The object of the present invention is to provide a decorative laminate bending device with a novel configuration that can fold decorative laminates efficiently and accurately in the production of such decorative frames, and one embodiment thereof will be described below with reference to the drawings.

In the figure, the decorative board bending device 1 of the present invention is provided with an extension tool 20 that supports an extension roller 21 in a transversely movable manner on one side of a conveyor table 10, and on the other side.
A folding tool 30 having a folding roller 31 attached to the rotating arm 32 is attached, and a pushing tool 40 having a pushing roller 41 is arranged above the folding tool 30,
The decorative board 3 carried on the conveyor table 10 can be bent, and a dryer 6 and a back board positioning device 2 are installed in parallel on the upstream side of the width extending tool 20 and the bending tool 30.

The decorative board 3 has a decorative sheet b such as a decorative cloth pasted on one side of a decorative base material a made of wood.
In addition, in this embodiment, by carving V-shaped grooves c and d for bending along the longitudinal direction, the V-shaped grooves c,
The base piece 3a sandwiched by d and the bent pieces 3 on both sides
For example, the base piece 3a between the V-shaped grooves c and d and the side piece 3c between the V-shaped groove d and the side edge of the decorative board 3 are provided with back plates 5, 5. Attached, V
By bending at the grooves c and d, the decorative frame 4 as illustrated in FIG. 4 is constructed.

The transport platform 10 has side plates 1 that stand up on both sides of the base.
1 and 11, it consists of a roller conveyor in which rollers 12, only a part of which is shown in FIG.

The extension tool 20 has a block 23 that is provided on the base in a direction across the conveyor table 10 and that slides in a groove 22 provided on the upper surface. Pivotally supported screw shaft 24
By screwing together, the block body 23 can be moved horizontally by rotating the handle 25 at the tip of the screw shaft 24, and the upper surface of the block 23 has a structure that abuts one side of the decorative board 3 and guides the decorative board 3. The width extending roller 21, which stands upright, is pivotally supported.

The bending tool 30 includes a rotating arm 32 that can rotate on a base in a vertical plane perpendicular to the conveying direction of the conveying table 10, and a folding roller 31 is pivotally supported on the rotating arm 32. ing. In this embodiment, the rotating arm 32 has a fan shape with a pinching angle of approximately 90 degrees, has teeth 34 carved on its outer circumferential surface, and has its center attached to a base and pivoted to a support piece 35. The teeth 3
4 is a pinion 3 installed on the base and attached to the output shaft of a drive device 33 such as a rotary actuator.
By meshing with and interlocking with 6, the drive machine 3
The rotating arm 32 can swing along with the forward and reverse rotations of 3.

The bending roller 31 is connected to the toothed portion 3 of the rotating arm 32.
When the rotating arm 32 swings clockwise in the figure, it is placed upside down below the transport platform 10, and when it rotates in the opposite direction from this state, it rotates upward. The part is lifted up over the conveyor table 10 and bent at the V-shaped groove c provided in the decorative board 3, and in the upright state, the circumferential surface of the bending roller 31 is adjusted by adjusting the width roller 21. It can properly abut against the outer surface of the side piece 3b.

The push-down tool 40 has a movable frame 44 that is erected on the side plates 11, 11 and can move laterally along the upper piece 43 of the gate-shaped frame 42 that straddles the conveyance platform 10. An inverted cylinder 45 is attached, and a yoke fixed to the rod end supports the push-down roller 41 in a vertically movable manner, and a guide pin 46 is erected at the extended end of the yoke. By being fitted into the extension piece of the moving frame 44, the push-down roller 41 is prevented from rotating so that its circumferential direction matches the conveying direction of the conveying table 10. The upper piece 43 is provided with a long hole 48 into which the rod of the cylinder 45 is loosely fitted, and a screw shaft 47 spanned by protrusions at both ends of the portal frame 42 is screwed into the protrusion at the rear end of the moving frame 44. By doing so, by rotating the screw shaft 47 using the handle 49 at the tip of the screw shaft 47, the conveyor table 10 can be traversed in a direction.

The back plate positioning device 2 includes a positioning tool 5 formed by arranging truncated conical positioning rollers 51a and 51b on a conveyance table 10 with their small diameter portions facing each other.
One positioning tool 50 positions the back plate 5 on the base piece 3a, and the other positioning tool 50 positions the back plate 5 on the side piece 3c. On the downstream side, back plates 5, 5 are installed.
Pressing rollers 52, 52 for pressing the decorative board 3 are attached, respectively.

The positioning tool 50 is attached to a support shaft 54 that is rotatably spanned across the carrier 10 between bearing plates 53 protruding from the side plate 11,
Further, the positioning tool 50 includes positioning rollers 51a, 5
The gap between 1b can be adjusted. Positioning roller 51a
As illustrated in FIG. 3, a truncated conical portion 56a is provided around a relatively long inner cylindrical portion 55 that is screwed onto the support shaft 54, and a positioning roller 51b is attached to the inner cylindrical portion 55. A truncated conical part 56b is formed around the outer cylindrical part 57 to be screwed together, and the diameter part is small in the direction opposite to the truncated conical part 56b.Therefore, by rotation of the positioning roller 51a, it can move laterally relative to the support shaft 54, and the positioning roller Since the positioning tool 51b can move closer to and away from the positioning roller 51a, the width and the mounting position of the positioning tool 50 can be freely adjusted. By fixing the positioning tool 50 using a mounting screw and a lock nut 59, the positioning tool 50 can guide and position the upper edges of the back plates 5, 5 using the truncated conical portions 56a, 56b.

The stabilizing roller 52 is rotatably pivoted by a support shaft 60 spanning between bearing plates 53, 53,
In addition, its lateral position is regulated using the fixing ring 61, and the space between its lower surface and the upper surface of the carrier 10 is
By setting the thickness slightly smaller than the total thickness of the decorative board 3 and the back board 5, the back board 5, which is positioned by the positioning tool 50, is strongly pressed against the decorative board 3, and is attached to the joint surface in advance. Attach both using adhesive. Note that on the upstream side of the back plate positioning device 2, a feed roller 62 is spanned between the bearing plates 53, and the feed roller 62 moves the decorative plate 3 and the back plate 5 onto the conveyor table 1.
0 and convey while applying strong pressure.

The dryer 6 heats the decorative board 3 and the back board 5 to be joined to cure the adhesive.

However, in the decorative board bending device 1 of the present invention, as shown in FIG.
4, and the decorative board 3 is moved so that the bending roller 31 can properly contact the outer surface of the side piece 3b bent by the V-shaped groove c in its upright state.
Let them guide you through the sides. Further, while the push-down roller 41 of the push-down tool 40 is lowered and the bending portion near the V-shaped groove c is pressed, the rotary arm 32 is tilted by the drive unit 33 to raise the bending roller 31. Therefore, the side piece 3b can be correctly bent, for example, at a right angle, and also can be bent at the V-shaped groove d on the downstream side to form the decorative frame 4 shown in FIG.

In addition, the back plate positioning device 2 is
9, 59 are loosened and the positioning roller 51a is moved to the support shaft 5.
4, the truncated conical part 56a is aligned with one side edge of the back plate 5, and then the truncated conical part 56b is aligned with the upper edge of the other side. Since the back plate 5 can be correctly positioned between the circumferential surfaces and the positioning rollers 51a and 51b are formed in a truncated conical shape, it is possible to prevent the back plate 5 from moving laterally and apply strong pressure and guide it while applying a downward force.
Enables correct positioning.

As described above, the decorative laminate bending device of the present invention is equipped with a conveying table, an extension tool, a bending tool, and a pressing tool, and can fold the decorative laminate with high precision and efficiency. The extension roller is movable and therefore bendable, increasing the versatility of the device. Furthermore, a back plate positioning device consisting of a positioning tool with a positioning roller for positioning the back plate and a pressure roller that presses the back plate against the decorative board is placed on the upstream side, so the back plate can be moved accurately and efficiently. It can be aligned and pressed against the decorative board, improving the bending efficiency of the decorative board with a backing plate. In addition, in the decorative board bending device of the present invention, a cylinder is used as a driving machine to swing the rotating arm,
Further, it can be modified into various forms, such as by screwing the extension roller onto a screw shaft connected to a pulse motor to enable automatic positioning.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment of the present invention;
3 is a sectional view illustrating a positioning tool attached to the device of the present invention, and FIG. 4 is a perspective view illustrating a decorative frame to be molded. 3... Decorative board, 4... Decorative frame, 10... Conveyance table, 20... Width extension tool, 21... Width extension roller,
30...Bending tool, 31...Bending roller, 32
...Rotating arm, 33...Driver, 40...Pushing tool, 41...Pushing roller, 50...Positioning tool, 51a, 51b...Positioning roller, 52...
...pressure roller.

Claims (1)

[Scope of utility model registration request] A back plate is attached to a decorative board in which V-shaped grooves for bending are carved in the longitudinal direction, or between the V-shaped grooves or between the V-shaped grooves and the side edges of the decorative board, and the decorative board is held in the V-shaped grooves. A decorative laminate bending device that forms a decorative frame by bending the decorative laminate, and a width that is disposed on one side of a carrier for conveying the decorative laminate and that can guide the decorative laminate by coming into contact with the side surface of the decorative laminate. By attaching a width-extending device that includes a dispensing roller so that it can freely move horizontally and a swingable rotating arm arranged on the other side and linked to a drive machine, the conveyor table can be tilted downward and erected on the conveyor table. a folding tool having a folding roller that can be tilted back and forth between the two states, and that lifts and bends one end of the decorative laminate when the folding tool is raised; A pressing tool is provided that includes a press-down roller that can be raised and lowered to press the bent portion, and positioning rollers having a truncated conical shape are arranged with their small diameter portions facing each other, and the back plate is positioned between the small diameter portions. A decorative board folding device characterized in that a back plate positioning device having a tool and a pressure roller for pressing the back board against the decorative board is provided on the upstream side of the extending tool and the bending tool.