JP4410600B2 - Plate material drilling device - Google Patents

Description

  The present invention relates to a plate material drilling apparatus that drills a plurality of holes at predetermined intervals along the width direction of a plate material.

With the industrialization of the house, the panel construction method is to construct the house by manufacturing the roof, walls and floors of the house as panels in advance in the factory and assembling such panels at the construction site. Has become popular.
As a panel used in such a panel construction method, for example, as a roof panel, a core is assembled in a rectangular shape, and a reinforcing core is assembled vertically and horizontally inside the rectangular frame to form a frame, and this frame Generally, a face material such as plywood is attached to one side of the body.

By the way, in some wood panels, what made many holes in the plywood by the handling location may be applied.
In order to drill a large number of holes in a plywood, for example, there is a method of manually using a jig called a hole saw, but in order to do it manually, the work efficiency is poor and the positioning of the holes is difficult. A drilling device that mechanizes plywood drilling has been proposed.
Specifically, as this drilling device, there is known a device including a frame on which a plywood is placed, a frame attached so as to straddle the frame, and a plywood punching means supported by the frame (for example, , See Patent Document 1). The plywood punching means includes a plurality of push-off dies having push-cut teeth at the tip, a spring member that holds the push-off die in a lifted state, and a cam mechanism that presses the push-off die downward against the biasing force of the spring member. The push die is pressed downward against the biasing force of the spring member by the cam mechanism when the motor is driven, so that the plywood is pushed and cut by the push cutting teeth. It has become.
Japanese Patent Laid-Open No. 5-69418

However, in the punching device described in Patent Document 1, the plywood punching means presses a ply cutting die having a push cutting tooth at the tip against the plywood, thereby punching out the plywood at the pressed position. It is supposed to be. Therefore, it is said that a large amount of dust and other dust is not generated compared to the case where a hole is made in the plywood with a drill or the like, but the plywood at the pressed position can be surely punched out only by pressing the push die. In some cases, it was not possible.
Accordingly, the present invention has been made in view of the above circumstances, and it is possible to reliably open a hole having a desired shape in a plate material such as a plywood, and to collect dust such as generated chips reliably. The object is to provide a drilling device.

In order to solve the above-mentioned problems, the invention of claim 1 is a plate material drilling device 1 for drilling a plurality of holes B at predetermined intervals along the width direction of the plate material A, for example, as shown in FIG.
A plurality of drills 3 arranged along the width direction of the plate material A and drilling holes B in the plate material A;
Drill lifting and lowering means 4 for lifting and lowering the drill 3;
A first dust collecting duct 5 for sucking chips discharged by drilling a hole B in the plate A in the vicinity of the hole B opened in the plate A;
A dust collection duct moving means 6 for moving the first dust collection duct 5 along the width direction of the plate A ;
Holding means 7 provided respectively facing each other across the plurality of drills 3 and extending along the width direction of the plate A to hold the plate A;
A second dust collection duct 8 that is provided between the pressing means 7 and sucks the chips is provided .

According to the first aspect of the present invention, the plurality of drills 3 lowered by the drill lifting / lowering means 4 are cut while rotating on the upper surface of the plate material A, and a plurality of holes B are formed along the width direction of the plate material A. In the plate material A in which the plurality of holes B are thus formed, the dust collection duct moving means 6 moves along the width direction of the plate material A, and the first dust collection duct 5 also moves accordingly. At this time, chips scattered near the hole B of the plate A are sucked by the first dust collecting duct 5.
Therefore, compared to the case of punching holes in a plate material as in the prior art, in the present invention, since the holes B are drilled while cutting the plate material A with the drill 3, the holes B having a desired shape can be reliably drilled. The drilling performance of A can be improved. In addition, although a large amount of chips are generated at this time, it can be surely sucked by the first dust collecting duct 5 and has excellent dust collecting efficiency.
Further, the pressing means 7 provided so as to be opposed to each other across the plurality of drills 3 and extending along the width direction of the plate material A presses the plate material A, whereby the hole 3 is formed in the plate material A by the drill 3. When opening, the hole B can be formed at a predetermined position without the plate material A being displaced.
Further, the holding means 7 extends along the width direction of the plate A, and the second dust collecting duct 8 is provided between the holding means 7, so that the hole B is drilled by the drill 3. In this case, the chips to be discharged are surrounded by the pressing means 7 and can be prevented from being scattered outside the pressing means 7 and reliably sucked by the second dust collecting duct 8.

The invention of claim 2 is, for example, as shown in FIG. 1, in the plate material punching device 1 of claim 1,
Conveying means for sequentially arranging predetermined positions in the conveying direction X of the plate material A on the drill 3 and the first dust collecting duct 5 by conveying the plate material A in a direction substantially orthogonal to the width direction thereof. It is characterized by that.

  The predetermined position refers to a position where the hole B should be drilled by the drill 3 in the conveying direction X of the plate material A or a position where the hole B is drilled by the drill 3 in the conveying direction X of the plate material A.

  According to the invention of claim 2, the conveying means conveys the plate material A in a direction substantially orthogonal to the width direction thereof, so that a predetermined position in the conveyance direction X of the plate material A is set in the drill 3 and the first dust collecting duct 5. Since they are sequentially arranged, a plurality of holes B can be formed also in the transport direction X, and chips can be sucked by the first dust collecting duct 5. In addition, since the plate A can be sequentially conveyed and automated by the conveying means as described above, manual work can be omitted and the construction can be simplified.

The invention of claim 3 is, for example, as shown in FIG. 1, in the plate material punching device 1 according to claim 1 or 2 ,
The mounting portion 22 on which the plate material A is mounted is characterized in that an opening K larger than the hole B is formed at a location corresponding to the position of the hole B opened in the plate material A.

According to the invention of claim 3, an opening K larger than the hole B is formed in the place corresponding to the position of the hole B opened in the plate A in the mounting portion 22 on which the plate A is mounted. Therefore, it is possible to prevent chips from falling through the opening K and scattering of chips on the upper surface of the plate A.

The invention of claim 4 is, for example, as shown in FIG. 1, in the plate material punching device 1 according to claim 3 ,
Below the opening K, there is provided a dust collecting container 24 that collects chips dropped through the opening K.

According to the invention of claim 4 , since the dust collecting container 24 is provided below the opening K, the chips that have fallen through the opening K can be reliably collected by the dust collecting container 24 and cleaned. Etc. can be saved.

  According to the plate material drilling device of the present invention, a plurality of drills lowered by the drill lifting and lowering means cut a plurality of holes along the width direction of the plate material, while the dust collection duct moving means is By moving along the hole in the width direction of the plate material, chips scattered near the hole of the plate material are collected by the first dust collection duct. Therefore, as compared with the case of punching a hole in a conventional plate material, the hole can be reliably drilled in a desired shape, the drilling performance of the plate material can be improved, and the dust collection efficiency is also excellent.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1A is a plan view of a plate material drilling apparatus according to the present invention, and FIG. 1B is a front view of the plate material drilling apparatus.
As shown in FIG. 1, a plate material drilling device 1 according to the present invention is a device that drills a plurality of holes B at a predetermined interval along the conveyance direction X and the width direction of a plate material A to be conveyed. A base 2 to be placed, a plurality of drills 3 that are arranged along the width direction of the plate material A and make a hole B in the plate material A, and a drill that places the drill 3 on the upper surface of the plate material A by raising and lowering the drill 3 In the vicinity of the lifting means 4 and the hole B opened in the plate A, a first dust collecting duct 5 for sucking chips discharged by drilling the hole B in the plate A, and a first dust collecting duct 5 are provided. Dust collection duct moving means 6 for moving along the hole B in the width direction opened in the plate material A is provided.
First, the configuration of each member will be described.

The base 2 includes a leg portion 21 erected on the floor surface M, and a placement portion 22 that is supported by the leg portion 21 and on which the plate material A is placed. A frame 23 that supports the plurality of drills 3 and the like, which will be described later, is disposed across the placement portion 22 on the side of the upper surface of the placement portion 22.
A plurality of circular openings K larger in diameter than the holes B are formed in the mounting portion 22 at predetermined intervals along the width direction according to the positions of the holes B opened in the plate A (positions of the drill 3). Yes. Further, a dust collecting container 24 for collecting chips dropped through the opening K is installed below the opening K.
Further, the base 2 has the plate 3 placed on the placement portion 22 conveyed along a direction (longitudinal direction) substantially orthogonal to the width direction of the plate A, so that the drill 3 and the second Conveying means for sequentially arranging predetermined positions in the conveying direction X of the plate material A in one dust collecting duct 5 is provided.

Although not shown in the figure, for example, a plurality of rollers disposed along the conveyance direction on both the left and right sides of the conveying unit so as to be positioned on the lower surface of the plate A on the mounting portion 22 and driving for driving these rollers. The thing comprised from the motor etc. is mentioned.
Moreover, a chain conveyor can also be applied as another conveying means. Specifically, a transport chain disposed on the left and right sides of the mounting portion 22 via sprockets, a hook attached to the transport chain and hooked to the end surface of the plate A, and driving the transport chain The thing comprised from the drive motor to be made to mention is mentioned. And rotation of a drive motor is transmitted to the chain for conveyance, and it has the structure by which the board | plate material A is conveyed by the conveyance chain.

On the other hand, the plurality of drills 3 supported by the frame 23 are supported by the drill lifting / lowering means 4 so as to be movable up and down, and are provided corresponding to the positions of the holes B opened in the plate A.
An example of the drill lifting / lowering means 4 is an air cylinder device 41, and the drill 3 is attached to the tip of a piston 41 a of the air cylinder device 41.
The drill 3 has four cutting edges 31 made of super hard metal, and is formed in a shape excellent in cutting that becomes thinner as it approaches the tip. Further, four scribing portions 32 are provided at equal intervals on the periphery of the base end portion of the cutting blade 31.
The scribing portion 32 has a needle shape with a sharp tip, and forms a scribing line of a desired shape by scribing the surface of the plate A, so that the cutting blade 31 cuts the inside of the scribing line formed. It has become.

Holding means 7 for holding the plate material A extending along the width direction of the plate material A is provided on the front side and the rear side in the conveying direction X of the drill 3 with the plurality of drills 3 interposed therebetween.
The holding means 7 is provided on the frame 23 and can be moved up and down. The holding means 7 is provided at the tip of the piston 71a of the air cylinder device 71 and extends along the width direction of the plate A. And a thin plate-like clamp part 72 for holding A in. A second dust collection duct 8 (not shown in FIG. 1B) is installed between the two clamp portions 72.

  The second dust collection duct 8 sucks chips at a portion sandwiched between the clamp parts 72, and the chips move along the longitudinal direction of the clamp parts 72 by sucking. Yes.

  The first dust collecting duct 5 that sucks chips in the vicinity of the hole B of the plate A which has been drilled and conveyed by the drill 3 on the front side in the conveying direction X of the pressing unit 7, and the first The dust collection duct moving means 6 for moving the dust collection duct 5 along the hole B in the width direction X of the plate material A is installed.

Examples of the dust collection duct moving means 6 include a rodless cylinder, and the rodless cylinder may be of a magnet type or a slit type. In the case of the magnet type, as shown in FIG. 1, a piston that moves in the axial direction (width direction of the plate A) by fluid pressure is provided inside the cylinder tube 61 whose both ends are closed by end members. On the outer side, an outer moving body 62 is fitted on the outer peripheral surface of the cylinder tube 61 so as to be movable in the axial direction. These piston and outer moving body 62 are connected by a magnetic coupling force by a magnet and synchronized with the movement of the piston. Thus, the outer moving body 62 is configured to move. And in this invention, the 1st dust collection duct 5 is attached to this outer side moving body 62, and the 1st dust collection duct 5 moves to the width direction of the board | plate material A with the movement of the outer side moving body 62. It is like that.
Further, the first dust collecting duct 5 is attached to the outer moving body 62 so that a gap S is slightly provided between the end portion thereof and the vicinity of the hole B opened in the plate material A (see FIG. 1 (b)).

  Furthermore, a position detection sensor 9 for detecting the position of the hole B opened in the plate A is provided on the front surface at one end of the cylinder tube 61. The position detection sensor 9 sequentially detects the position of the hole B in the transport direction X of the transported plate material A, and drives the piston of the rodless cylinder and the outer moving body 62 in accordance with the position of the hole B. The dust collecting duct 5 is moved along the hole B in the width direction.

  The plate material drilling device 1 automatically operates the conveying means, the drill lifting / lowering means 4, the pressing means 7, the first and second dust collecting ducts 5 and 8, the dust collecting duct moving means 6 and the like. These buttons (not shown) are provided, and when the operator operates such buttons, a control unit (not shown) that controls the overall operation of the drilling device 1 of the present invention controls the members. It is configured to work.

Next, the operation of the plate material drilling apparatus 1 having the above-described configuration will be described together with a method for drilling the plate material A.
First, the plate material A is placed on the placement portion 22, and the conveying means conveys the plate material A from this state, and the drill 3 is arranged at a predetermined position (a position where the hole B should be drilled) in the conveyance direction X of the plate material A. Then, when the pressing means 7 is driven, the piston 71 a of the air cylinder device 71 moves downward, and the clamp portion 72 presses the two front and rear portions along the width direction of the plate material A. When the plate A is fixed to the mounting portion 22 in this way, the piston lifting and lowering means 4 is driven to move the piston 41a of the air cylinder device 41 downward, and the drill 3 is disposed on the upper surface of the plate A. Thus, the plate material A is cut while the drill 3 rotates. That is, while the scribing portion 32 forms a circular scribing line as the drill 3 rotates, the cutting blade 31 cuts the inside of the circle, and as a result, a plurality of the scribing portions 32 along the width direction of the plate A. Hole B is opened.
At this time, simultaneously with the cutting of the drill 3, the discharged chips are sucked by the second dust collection duct 8. In addition, chips fall from the opening K formed in the mounting portion 22 and are collected in the dust collecting container 24.

  Next, when the piston 71a of the air cylinder device 71 of the holding means 7 moves upward and the clamp portion 72 is separated from the plate material A, the plate material A is again conveyed by the conveying means. Similarly, when the drill 3 is disposed at a predetermined position in the width direction of the plate A (position where the hole B is to be drilled), the plate A is pressed by the pressing means 7 and a plurality of holes B are drilled by the drill 3. .

On the other hand, the part where the hole B is first drilled is moved to the position of the dust collecting duct moving means 4 by being conveyed by the conveying means. Then, when the dust collection duct moving means 4 is driven, the first dust collection duct 5 moves along the hole B in the width direction of the plate A in the vicinity of the hole B while the external moving body 62 moves. Aspirate chips.
Here, the first dust collection duct 5 may be configured to move only in one direction along the width direction of the plate material A in one dust collection step, and the width direction of the plate material A may be two directions, That is, it may be configured to reciprocate.

  In addition, the position detection sensor 9 provided in the front surface of the dust collection duct moving means 6 detects the position of the hole B in the conveyance direction X, and the conveyance means starts conveying the plate material A according to the detected position. Or stop. That is, when the predetermined position in the transport direction X of the plate A is transported to the position of the drill 3 by the transport means, the transport is stopped, and the cutting by the drill 3 is finished, while the previously drilled hole B is along When the first dust collecting duct 5 is moved and the suction of chips is finished, the conveyance of the plate material A is started again. Here, each time of the drilling operation of the plate A by the drill 3 and the suction operation by the first dust collecting duct 5 are made substantially equal.

  In this way, while the conveying means conveys the plate A, it is discharged by making a hole B in the plate A with the drill 3 on the rear side in the conveying direction X and simultaneously making a hole B in the plate A on the front side in the conveying direction X. The dust is sucked by the first dust collecting duct 5, and a plurality of holes B are sequentially opened in the conveying direction X and the width direction of the plate material A.

  As described above, according to the plate material drilling device 1 of the embodiment of the present invention, the plurality of drills 3 lowered by the drill lifting means 4 are cut while rotating on the upper surface of the plate material A, and along the width direction of the plate material A. Thus, a plurality of holes B are opened. Thereafter, the plate material A is conveyed by the conveying means, and the dust collection duct moving means 6 moves along the hole B in the width direction of the plate material A, and the first dust collection duct 5 moves accordingly, Then, chips scattered near the hole B on the plate A are sucked. Therefore, compared to the case of punching holes in the plate material as in the prior art, in the present invention, the hole B is drilled while cutting the plate material A with the drill 3, so that the hole B having a desired shape is reliably drilled. Drilling performance can be improved and dust collection efficiency is also excellent.

Since the conveying means conveys the plate material A, a predetermined position in the conveying direction X of the plate material A is sequentially arranged in the drill 3 or the first dust collecting duct 5, so that a plurality of holes B can also be made in the conveying direction X. In addition, the chips can be sucked by the first dust collecting duct 5. Moreover, conveyance of the board | plate material A can be automated and construction can be simplified.
Since the pressing means 7 are provided so as to face each other with the drill 3 interposed therebetween, when the hole B is drilled in the plate material A with the drill 3, the plate material A is not displaced and the hole B is formed at a predetermined position. Can dawn. Further, the pressing means 7 extends along the width direction X of the plate A, and since the second dust collecting duct 8 is provided between the pressing means 7, a hole B is drilled by the drill 3. Chips discharged at this time are surrounded by both pressing means 7 and are reliably sucked by the second dust collecting duct 8.
An opening K larger than the hole B is formed in the mounting portion 22 at a position corresponding to the position of the hole B opened in the plate A. A dust collection container 24 is provided below the opening K. Therefore, chips fall through the opening K, and the dropped chips can be reliably collected by the dust collecting container 24.

The plate material drilling device 1 of the present invention is not limited to the above-described embodiment, and specific configuration requirements such as the shape and size of each component can be changed as appropriate without departing from the scope of the invention. Shall.
For example, in the above embodiment, the drill elevating means 4 and the holding means 7 are not limited to the air cylinders 41 and 71 as the drive source, but may be a hydraulic cylinder, an electric motor, or the like.
Further, in the above embodiment, a plurality of plate materials A may be stacked and conveyed. In this case, the holes B can be formed in a plurality of plate materials A at a time, and the construction efficiency can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention, in which (a) is a plan view of a plate material drilling device, and (b) is a front view of the plate material drilling device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Plate material drilling device 3 Drill 4 Drill raising / lowering means 5 First dust collection duct 6 Dust collection duct moving means 7 Holding means 8 Second dust collection duct 22 Placement part 24 Dust collection container A Plate material B Hole K Opening part X Transport direction

Claims (4)

A plate drilling device that drills a plurality of holes at predetermined intervals along the width direction of the plate,
A plurality of drills arranged along the width direction of the plate material, and drilling holes in the plate material,
Drill lifting and lowering means for lifting and lowering the drill;
A first dust collection duct for sucking chips discharged by making a hole in the plate material in the vicinity of the hole made in the plate material;
A dust collection duct moving means for moving the first dust collection duct along the width direction of the plate ;
Pressing means provided respectively facing each other across the plurality of drills, and extending along the width direction of the plate material to hold the plate material;
A plate material drilling device comprising a second dust collection duct provided between the pressing means and sucking the chips . In the plate material drilling device according to claim 1,
It is provided with conveying means for sequentially arranging predetermined positions in the conveying direction of the plate material on the drill and the first dust collecting duct by conveying the plate material in a direction substantially perpendicular to the width direction thereof. Plate material drilling device. The plate material drilling device according to claim 1 or 2 ,
A plate material drilling device, wherein an opening larger than the hole is formed in a place corresponding to a position of a hole opened in the plate material, in the placement portion on which the plate material is placed. The plate material drilling device according to claim 3 ,
A plate material drilling device, wherein a dust collecting container for collecting chips dropped through the opening is provided below the opening.

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