JP2934052B2 - Perforated plywood manufacturing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manufacturing apparatus for punching plywood to form a large number of holes in the plywood.

[0002]

2. Description of the Related Art One of the construction methods of prefabricated houses is to assemble floors, walls, and the like using a rectangular wooden panel formed by attaching face plates to both sides of a frame in which frame members are assembled in a square frame shape. There is a way. In this construction method, for example, unitized wooden floor panels are laid on a concrete foundation constructed on site, and wooden wall panels on the first and second floors (hereinafter referred to as wall panels) are assembled thereon. It is a method of constructing a building by assembling a roof panel with a frame, a timber, or the like.

[0003] By the way, among wooden panels used in this kind of house construction method, there are cases where a plywood having a large number of holes is used depending on the handling place.

Conventionally, the production of plywood having such a large number of holes has been performed manually using, for example, a jig called a hole saw. This hole saw is a tool for drilling holes in plywood by screwing a jig body provided with cutting teeth at the tip of a cylindrical drill body along the circumferential direction of the drill body in the circumferential direction via a rotating mechanism. The basic structure is that a rotation mechanism is operated by a member turning an operation handle.

[0005]

However, the means for punching plywood using a hole saw as described above have the following problems to be solved.

First, in the case of a hole saw, an operator must make holes in the plywood one by one, so that work efficiency is poor and positioning of the holes is difficult.

Second, the hole saw has a structure in which the drill body is turned and the plywood is twisted, so that chips are left around the holes of the plywood, and the surface becomes bumpy.

The present invention has been proposed in view of the above-mentioned background, and an object of the present invention is to make it possible to mechanize drilling work of plywood, thereby improving the efficiency of drilling work of plywood. Another object of the present invention is to provide a perforated plywood manufacturing apparatus capable of manufacturing high-quality perforated plywood.

[0009]

According to the present invention, there is provided a plywood supported on a frame by mounting a flat plywood on the frame and passing the frame between the frames mounted on the frame. An apparatus for manufacturing a perforated plywood in which a hole is formed in a plywood by a punching means, wherein the plywood punching means includes a die holder bridged between pillars of a gantry.
A plurality of push-off dies arranged in parallel along the length direction of the die holder; a spring member for holding the push-off die in a state of being lifted by the die holder; And a drive mechanism for operating the cam mechanism in accordance with the movement of the plywood.

[0010]

[Function] When a flat plywood is placed on a gantry and the gantry is moved between frames attached to the gantry, the driving mechanism rotates the cam mechanism in accordance with the movement of the plywood.
The push-off die is pressed against the elastic force of the spring member, and the plywood facing the push-off die is pushed off.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 6 show an embodiment of the present invention. In these drawings, reference numeral 1 denotes a platform on which a plywood is placed, and 2 denotes a platform on which the platform 1 is to be placed. The frame 3 is a plywood punching means supported by the frame and punching a hole in the plywood W, and 4 is a transport means for transporting the plywood placed on the gantry 1 toward the frame 2. The main members of the perforated plywood manufacturing apparatus are configured.

The gantry 1 is framed by an upper frame 1b supported by four legs 1a and a lower reinforcing member 1c bridged under the legs 1a. Is the supporting beam 1 as if to support the center of the plywood W
d and 1e are laid back and forth and right and left, and a positioning rule 1f for determining the position of the plywood W is integrally attached to the upper frame 1b at a position opposite to the frame 2.

On the other hand, on the left side of the upper frame 1b, a long flat plate 1g is mounted, and a plurality of limit switches 5 for controlling the plywood transport means 4 corresponding to the positions of the holes in the plywood W are provided. .

The frame 2 mainly includes a pillar 2a erected on the left and right sides of an upper frame 1b and an upper beam 2b bridged between upper ends of the pillar 2a. Pillar 2
A plywood punching means 3 is disposed in a space surrounded between the upper beam 2a and the upper beam 2b, and a drive motor 10 for driving a cam mechanism described later is provided on the upper beam 2b.

The plywood punching means 3 includes a die holder 6 bridged between the pillars 2 a of the frame 2, a plurality of pressing dies 7 arranged in parallel along the length direction of the die holder 6, A spring member 8 for holding the die 7 lifted by the die holder 6, a cam mechanism 9 for pressing the push-off die 7 downward against the elastic force of the spring member 8, and a movement of the plywood W by the cam mechanism 9 And a drive motor 10 that operates in accordance with.

The die holder 6 supports the push-off die 7 so as to be movable up and down.
The steel plate 6a mainly spans the steel plate 6a, and the support plate 6b of the die 7 is pressed on the steel plate 6a.
It is a basic structure that is attached with.

The push-off die 7 is mainly composed of a die body 7b having a push-tooth 7a at the tip and a support plate 7c for supporting the base end of the die body 7b. As shown in detail in FIG. 4, the push cutting teeth 7a have a wavy outer periphery of the die main body 7b to form ridges around the ridges, and are tapered from these ridges toward the center of the die main body 7b. The plywood W is designed so that it can be pushed and cut smoothly.

On the other hand, a spring member 8 for holding the push-off die 7 upward is interposed between the support plate 7c of the push-off die 7 and the support plate 6b of the die holder 6, and the two support plates 6b, 7c are connected to each other. They are urged in directions away from each other. Note that a coil spring is applied as the spring member 8, and a guide rod that guides the push-off die 7 up and down is inserted inside the coil spring, though not shown in the drawing.

Next, the cam mechanism 9 will be described. The cam mechanism 9 is a rotary shaft 9a bridged between the pillars 2a of the frame 2.
And a plurality (six in the illustrated example) attached eccentrically to the rotating shaft 9a along the length direction of the rotating shaft 9a.
And a drive motor 10 for driving the rotating shaft 9a.

The rotating shaft 9a has a structure in which both ends are supported by bearings 9c of a pillar 2a, and an intermediate portion thereof is supported by bearings 9d of a bracket 2c attached to an upper beam 2b of the frame 2. I have.

In each of the cam discs 9b, the insertion angle of the key pin for attaching the cam disc 9b is changed along the circumferential direction of the rotating shaft 9a so that the mounting angle of the cam disc 9b to the rotating shaft 9a is made different. This allows
The pressing step (punching step) on the pressing die 7 when the rotation shaft 9a makes one rotation is temporally shifted, and the pressing die 7
Is designed so as not to apply an excessive load to the plywood W when the plywood W is cut off.

The rotating shaft 9a has one end connected to the rotating shaft 9a.
Needless to say, a limit switch (not shown) for performing one rotation of a is provided so that the operation of the drive motor 10 can be controlled.

The transport means 4 for transporting the plywood placed on the gantry 1 toward the frame 2 employs a chain conveyor in the embodiment. Specifically, as shown in FIGS. 5 and 6, Sprockets 4a on the left and right of the upper frame 1b of the gantry 1.
, A hook 4c attached to the transport chain 4b and hooked on the end face of the plywood W, and a drive motor 4d for moving the transport chain 4b. I have.

The drive motor 4d and the transport chain 4
b is a drive sprocket 4e attached to the shaft of the drive motor 4d, and a sprocket 4 of the transport chain 4b.
and a drive chain 4f wound between the drive chain 4a and the drive motor 4d. The rotation of the drive motor 4d is transmitted to the transport chain 4b via the drive chain 4f.

In the embodiment, the hook 4c of the transport chain 4b is connected to the limit switch 5 provided on the gantry 1.
The hook 4c interferes with the limit switch 5 with the movement of the transport chain 4b, and turns on and off the drive motor 4d.

Next, the operation of the perforated plywood manufacturing apparatus configured as described above will be described.

In order to make a hole in the plywood W using this manufacturing apparatus, first, the plywood W is placed on the upper frame 1b of the gantry 1 along the upper frame 1b. At this time, the transport chain 4b of the transport means 4 is moved to set the hook 4c at the base end position (see FIG. 6), and the end face of the plywood W is positioned on the positioning ruler 1 of the gantry 1.
Assign to f.

After setting the plywood W, the transport means 4 and the drive motor 10 are operated to move the plywood W toward the frame 2.

By this operation, the plywood W is first conveyed toward the frame 2 by the conveying chain 4b constituting the conveying means 4 until the hook 4c hits the limit switch 5, and the leading end side of the plywood is pushed to the cutting die 7. Set to face.

Next, when the drive motor 10 rotates to rotate the rotating shaft 9a of the cam mechanism 9, the push-off die 7 is pressed against the resilient force of the spring member 8, and the plywood at a position facing the push-off die. W is pushed off and a hole is opened in the plywood.

Then, the apparatus successively drills holes in the plywood W by moving the plywood W and punching operations by the push-off die 7, so that the drilling operation can be mechanized. Since punching is performed by the push-off operation, a high-quality perforated plywood can be manufactured.

Further, in the embodiment, since the cam discs 9b for lowering the push-off die 7 are fixed with the angles of attachment to the rotary shaft 9a being different, the push-off die when the rotary shaft 9a makes one rotation. The pressing step (hole forming step) on the plywood 7 is shifted in time, and the pressing die 7 pushes the plywood W in order, so that an excessive load is not applied to the plywood and the holes can be formed.

FIG. 7 shows another embodiment of the present invention.
This embodiment also has a basic configuration in which a plywood W is basically passed through the frame 2 and a hole is made in the plywood W by a plywood punching means 3 having a push-off die 7.

However, in this embodiment, the plywood W is transported by the roller mechanism 15 disposed before and after the frame 2, and the plywood W is located below the gantry 1 at a position facing the push-off die 7. A chute 16 for discarding the punched plywood chips is provided.

The roller mechanism 15 includes the upper pressing roller 1
5a and a lower transport roller 15b. The plywood W is transported by sandwiching the plywood W between the upper and lower two rollers. Further, the gantry 1 has a structure in which rollers 1h are attached to facilitate the transfer of the plywood W.

It is needless to say that the present invention is not limited to the above-described embodiment, but can be modified without departing from the spirit of the invention.

[0038]

As described above, according to the present invention, a flat plywood is placed on a pedestal, and the plywood is supported by the plywood by means of a plywood punching means supported by the frame through a frame attached with the cradle crotch. An apparatus for manufacturing a perforated plywood in which holes are formed in the plywood, wherein the plywood punching means includes a die holder bridged between pillars of a gantry, and a plurality of plywood punching units arranged in parallel along the length direction of the die holder. A push-off die, a spring member for holding the push-off die lifted by the die holder, a cam mechanism for pressing the push-off die downward against the elastic force of the spring member, and a plywood moving the cam mechanism. And a driving mechanism that operates in accordance with the plywood, so that a hole is formed in the plywood by interlocking the transportation means for transporting the plywood on the gantry and the plywood punching means. Operate can be mechanized, it is possible to improve the work efficiency, it is possible to produce a good perforated plywood quality.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing an apparatus for manufacturing a perforated plywood according to one embodiment.

FIG. 2 is a perspective view showing a main part of an apparatus for manufacturing a perforated plywood according to one embodiment.

FIG. 3 is a perspective view showing plywood punching means.

FIG. 4 is a perspective view showing cutting teeth of a push cutting die.

FIG. 5 is a perspective view showing a plywood conveying means.

FIG. 6 is a perspective view showing a main part of a plywood conveying means.

FIG. 7 is a perspective view showing another embodiment of an apparatus for manufacturing a perforated plywood.

[Explanation of symbols]

 W plywood 1 gantry 2 frame 3 plywood punching means 4 transport means 5 limit switch 6 die holder 7 push-off die 8 spring member 9 cam mechanism 10 drive motor

──────────────────────────────────────────────────続 き Continuing on the front page (72) The inventor, Manabu Nakazawa 7110, Matsumotomichi, Imai, Matsumoto-shi, Nagano 3 Inside Nagano Housing Industry Co., Ltd. (72) Shinichi Suzuki 7110, Matsumotomichi, Imai, Matsumoto-shi, Nagano 3. Nagano Housing Industry Co., Ltd. (56) References JP-A-59-1205 (JP, A) JP-A-58-175613 (JP, A) JP-A-53-22184 (JP, U) JP-A-48-22 40226 (JP, Y1) (58) Field surveyed (Int. Cl. ⁶ , DB name) B27M 1/04

Claims (1)

(57) [Claims] 1. A perforated plywood in which a flat plywood is placed on a pedestal, and a hole is formed in the plywood by a plywood punching means supported by the frame, passing through a frame attached so that the cradle is crotched. The plywood punching means, a die holder bridged between the pillars of the gantry,
A plurality of push-off dies arranged in parallel along the length direction of the die holder, a spring member for holding the push-off die in a state of being lifted by the die holder, and a push-off die which is lowered against the elastic force of the spring member. And a drive mechanism for operating the cam mechanism in response to the movement of the plywood.