JP3897752B2 - Board cutting equipment - Google Patents

Description

  The present invention relates to a cutting apparatus capable of cutting a plate material such as a synthetic resin plate and a wooden plate by running a circular saw blade from two intersecting directions.

An acrylic resin plate used for a translucent plate of a backlight is used by cutting a fixed plate material into a desired size.
A conventional cutting device for a plate material is constituted by a plate mounting table and a circular saw blade, and can be divided into one in which a plate mounting table travels and one in which a circular saw blade travels.
There has also been proposed a cutting device in which a plurality of circular saw blades are arranged in parallel to cut a plate material into a large number at a time (Patent Document 1).

JP-A-7-164401

A conventional plate cutting apparatus can only cut a plate in one direction. In order to further cut the cut plate material in the direction intersecting with the cutting direction and divide it into smaller pieces, the plate material cut in the first cutting must be clamped again on the mounting table different from the first cutting direction, This work on the plate material that has been formed is very laborious and inefficient.
This invention makes it a subject to provide the cutting device which can cut | disconnect a board | plate material efficiently from the two directions which cross | intersect without re-clamping one board | plate material.

  In the plate cutting device of the present invention, the first presser body (1) and the second presser body (1a) are arranged so as to be relatively close to each other so as to be relatively close to each other, and a plurality of round blades ( 4) is capable of cutting with respect to the plate material (9) to be clamped and clamped by both pressers (1) (1a), and the circular saw blades (4) (4) are parallel to each other. A plurality of circular saw blades (4a) are provided on the second presser body (1a) so as to be able to travel in the direction along the plate surface, and can be cut into the plate material (9) and the circular saw blades (4a) (4a ) Are arranged so as to be able to travel in a direction crossing the traveling direction of the circular saw blade (4) on the first presser body (1) along the plate surface of the plate material (9) in a parallel state.

In a state where the plate material (9) is clamped and clamped by the both presser bodies (1) (1a), the circular saw blade (4) of the first presser body (1) is rotated while running, and a plurality of plate materials (9) are obtained. Cut into pieces.
Next, when the circular plate blade (4a) of the second presser (1a) is rotated while the cut plate is supported by both pressers (1) (1a), the plate is moved in the first cutting direction. It can be cut in the crossing direction.
As described above, the plate material can be separated from the two intersecting directions while being clamped, and the work efficiency can be greatly improved.

FIG. 1 shows a cutting device of the present invention.
The cutting device moves a plurality of circular saw blades (4) all at once in parallel to the reference side (90) of the plate material (9) with respect to the regular plate material (9) shown in FIG. As shown in FIG. 4, the plurality of strip-like plates (91) and (91) are cut, and then a plurality of circular saw blades (4a) separate from the circular saw blade (4) are used as the reference pieces (9) of the plate material (9). As shown in FIG. 8c, each belt-like plate (91) can be cut into a plurality of plate pieces (92).
The board | plate material (9) of an Example is an acrylic resin board.

As shown in FIG. 1, the cutting device is configured by arranging a second presser body (1a) so as to be movable up and down above the first presser body (1).
The first presser body (1) has a plurality of presser bases (3) and a plurality of auxiliary bases (7) arranged alternately in parallel on the base (2). The platform (7) is slidably guided by the parallel rails (21) and (21) on the base (2).
Each presser base (3) and auxiliary base (7) can be said to be a cradle for placing and supporting the plate material (9), and the upper surface height is uniform.
The presser base (3) and the auxiliary base (7) are hollow horizontally long casings, and slits (31) and (71) are formed on the upper surface in the longitudinal direction of the casing.

As shown in FIGS. 4 and 5, a circular saw blade (4) is provided inside the presser base (3) so as to protrude from the slit (31) and travel in the direction of the slit (31).
The circular saw blade (4) is mounted on a slide base (41) on the rails (32) and (32) provided in the presser base (3). The slide base (41) is connected to the travel drive device (5). The travel drive device (5) is provided with chain sprockets (51) (51) on both ends of the presser base (3) to provide a chain (52). And both ends of the chain (52) are engaged with the slide base (41). One chain sprocket (51) of each presser base (3) is slidably fitted on a common rotation drive shaft (53) and is integrally rotatable with the rotation drive shaft (53).
The chain (52) passes through the slots (23) (23) opened in the parallel rail (21) (21) in the longitudinal direction of the rail, the rail (21) (21) and the chain (52) Will not interfere.
Each chain sprocket (51) (51) can travel in the longitudinal direction of the rail (32) integrally with the corresponding presser base (3). A bracket (not shown) protrudes from each presser foot (3) so as to sandwich the chain sprocket (51), and the presser foot (3) and the chain sprocket (51) (51) can move together.
The chain sprockets (51) and (51) are installed in the presser base (3), and the chain sprockets (51) and (51) and the presser base (3) can travel integrally in the axial direction of the rotary drive shaft (53). You can also
As shown in FIG. 3, a motor (50) is connected to one end of the rotary drive shaft (53), and the slide base (41) travels on the rail (32) by forward and reverse rotation of the motor (50).

The base end of the arm (43) is pivotally supported by the bracket (42) on the slide base (41), and the circular saw blade (4) is rotatably supported by the free end of the arm (43).
An air cylinder device that raises and lowers the arm (43) between the free end of the arm (43) and the slide base (41) and causes the circular saw blade (4) to protrude and retract from the slit (31) of the presser base (3), etc. Cylinder lifting device (48) is provided.
A rotary drive shaft (44) is provided through the base end of each presser base (3), the bracket (42) on each slide base (41), and each arm (43) so as to be slidable. A motor (40) is connected to one end of the drive shaft (44).
Accordingly, the operation of the cylinder lifting device (48) causes the arm (43) to rotate about the shaft (44) regardless of the rotation of the rotation drive shaft (44).
A chain sprocket (45) is disposed on the rotary drive shaft (44) in the bracket (42) so as to be rotatable integrally with the shaft and slidable in the axial direction of the shaft, and the chain sprocket (45) and a circular saw blade ( The chain sprocket (46) attached to the rotating shaft in (4) is connected by a circular chain (47). The circular saw blades (4) rotate at the same time by the rotation of the rotation drive shaft (44).

As shown in FIG. 5, a number of air blowing holes (34) are opened on the upper surface of the presser base (3), and the pressurized air supplied to the upper sealed chamber (not shown) of the presser base (3) It is possible to blow out from (34).
Further, a discard plate (30) is mounted on the upper surface of the presser base (3). The discard plate (30) of the embodiment is formed of a material having a little elasticity such as hard rubber or urethane rubber. When the circular saw blade (4a) of the second presser body (1a), which will be described later, cuts the plate material (9) placed on the plate (30) through the plate thickness, It plays the role of preventing the upper surface of the housing of (3) from being damaged directly and supporting the plate material (9) by the surface even if there is a slight error in the height of the upper surface of each presser foot (3).
A hole (35) is formed in the discard plate (30) at a position corresponding to the air blowing hole (34) of the presser foot (3).
The discard plate (30) is detachably attached to the presser base (3) with a double-sided adhesive tape or the like.

As shown in FIGS. 6 and 7, in the auxiliary base (7), the slide base is slidable on the rail (72) along the longitudinal direction of the auxiliary base (7) in the same manner as the presser base (3). (74) is provided, and both ends of the chain (58) spanned over the chain sprockets (55) and (56) provided on both ends of the auxiliary base (7) are locked to the slide base (74).
Of the chain sprockets (55) and (56) of each auxiliary base (7), one of the chain sprockets (55), (55) and (55) can rotate integrally with the shaft on a common rotary drive shaft (57). It is slidable in the direction. The chain sprockets (55) and (56) move on the rotary drive shaft (57) integrally with the presser foot (3) when the corresponding auxiliary foot (7) slides on the parallel rails (21) and (21). It is connected to the auxiliary stand (7) so as to slide.
As shown in FIG. 3, a motor (59) is connected to one end of the rotational drive shaft (57), and the slide base (74) travels on the rail (72) by forward and reverse rotation of the motor (59).

On the slide table (74), a protruding member (76) is provided so as to protrude from the slit (71) on the upper surface of the auxiliary table (7). The protruding member (76) is composed of a lifting device (75) and a pin (77) that is lifted and lowered by the lifting device (75). The lifting device (75) is, for example, an air cylinder device, and the pin (77) is its Biston rod.
Similarly to the presser base (3), an air blowing hole (79) is also opened on the upper surface of the slide base (74), and the discard plate (70) is mounted in a replaceable manner.

Each of the above-mentioned presser bases (3) and auxiliary bases (7) are connected to a distance adjusting device (6) for adjusting the distance between adjacent bases.
As shown in FIG. 4 and FIG. 6, the distance adjusting device (6) has a number of screw shafts (corresponding to the number of the bases parallel to the rails (21) and (21) for guiding the slides of the bases (3) and (7)). 61) (62) (63) are arranged, and each screw shaft is screwed to one of the bottom plates (33) (73) of each presser base (3) and each auxiliary base (7). For the base to pass through, the hole (38) opened in the bottom plate (33) (37) is passed through in a marginal state.
As shown in FIG. 1, motors (64), (65), and (66) are linked to the ends of the screw shafts (61), (62), and (63), respectively.
1, 4, and 6, only three screw shafts (61), (62), and (63) are shown. As described above, the screw shaft includes the presser base (3) and the auxiliary base ( It is necessary to add the number of 7), and when the number of screw shafts is large, the motor (64) (65) (65) shown in FIG. What is necessary is just to divide into the screw axis | shaft row | line | column (it shows on the right side of FIG. 2) which rotationally drives with several motors (not shown).
In short, when the screw shaft is rotated, one presser base (3) or one auxiliary base (7) through which the screw shaft is screwed may be slid by the screw thrust. As a result, each presser base (3) and each auxiliary base (7) can be slid independently, and the distance between adjacent bases, that is, the distance between adjacent circular saw blades (4) and (4), adjacent to each other. The interval between the protruding members (76) and (76) can be adjusted.

As shown in FIGS. 2 and 3, a first ruler plate (8) is arranged on the first presser body (1) so as to be movable up and down along the table in the vicinity of the table on one end side of the table row. In addition, a second ruler plate (not shown) orthogonal to the first ruler plate (8) is disposed so as to be able to advance and retreat from the outside to the inside of the ascending / descending transition path of the second presser body (1a) described later.
The first and second ruler plates are positioned by contacting two adjacent sides of the plate material (9) when the plate material (9) is placed across the table.

As shown in FIG. 1, the second presser body (1a) arranged opposite to the first presser body (1) omits the auxiliary base (7) and the ruler plate from the first presser body (1). A device having the same configuration as the above can be moved upside down and can be moved closer to and away from the first presser body (1) while being rotated 90 ° parallel to the base (2) of the first presser body (1). It has been deployed.
Guide struts (22) projecting from the four corners of the base (2) of the first presser body (1) pass through the four corners of the base (2a) of the second presser body (1a), and the second presser body ( 1a) moves up and down guided by the guide column (22).
A lift drive device (not shown) is linked to the second presser body (1a). The elevating drive device is not particularly limited in type or configuration. For example, a lifting frame (not shown) is formed so as to surround the first presser body (1) and the second presser body (1a). The deployed lifting cylinder device (not shown) can be connected to the base (2a) of the second presser body (1a) to move the second presser body (1a) up and down.
The description of the configuration of the second presser body (1a) will be omitted, and in the following explanation of use, the numeral sign used in the description of the first presser body (1) will be followed by “a” to indicate the second presser body. It shall be a component of (1a).

The distance adjustment device (6) for the row of the first presser body (1) and the distance adjustment device for the row of the second pressure body (1a), the first ruler plate (8) and the second ruler plate are shown in FIG. It operates with a signal from the control unit (100) shown.
When the length w2 and the width length w1 of the plate piece (92) to be obtained by cutting the plate material (9) are input to the control unit (100), the interval adjusting device (6) is activated and the first presser body is operated. The distance between the adjacent circular saw blades (4) and (4) of (1) and the distance between the first ruler plate (8) and the circular saw blade (4) adjacent to the ruler plate are the band-shaped plate ( The presser foot (3) slides so as to correspond to the width length w1 of 91).
Also in the second presser body (1a), an interval adjusting device (not shown) is operated, and as shown in FIG. 8c, the interval between the adjacent circular saw blades (4a) (4a) of the second presser body (1a). , And the distance between the circular saw blade (4a) adjacent to the second ruler plate (not shown) corresponds to the length w2 of the plate piece (91) to be obtained as shown in FIG. 8c. (3a) slides.
Each auxiliary stand (7) of the first presser body (1) is controlled so as to be positioned between the adjacent pressers (3) and (3).

Thus, a method of using the cutting device will be described.
The necessary numerical values are input to the control unit (100), and the positions of the presser bases (3) and (3a) of the first presser body (1) and the second presser body (1a), that is, the circular saw blade (4 ) And the auxiliary stand (7) are positioned.
The plate material (9) is placed on the first presser body (1), and the two adjacent sides of the plate material (9) are applied to the two ruler plates.
When the position of the plate material (9) is determined, the ruler plate is returned to the standby position where it does not interfere with the second presser body (1a).

The second presser body (1a) is lowered, and the plate material (9) is clamped and clamped by the first presser body (1) and the second presser body (1a).
In the first presser body (1), each circular saw blade (4) waiting at the end position of the presser base (3) is lifted while rotating and protrudes from the slit (31). Further, the circular saw blade (4) is caused to travel by the travel drive device (5).
As shown in FIG. 8b, the plate material (9) is cut into the strip-shaped plate (91) by the circular saw blade (4).
Next, in the second presser body (1a), the circular saw blade (4a), which has been waiting at the end position of the presser base (3a), is lowered while being rotated so as to project from the slit. Further, the circular saw blade (4a) is caused to travel.
As shown in FIG. 8c, each strip plate (91) is cut into plate pieces (92).
When cutting the first presser body (1) with the circular saw blade (4) on the first day, or when cutting the second presser body (1a) with the circular saw blade (4a) for the second time (9) is clamped between the 1st presser body (1) and the 2nd presser body (1a), but the plate (3) (3a) (7) has a slightly elastic waste plate Since the plate material (9) is clamped stably because it is in contact with the plate material (9), the (b) vibration (chatter) of the plate when the circular saw blade bites into the plate material (9) is suppressed with high accuracy and It can be cut beautifully.

The second presser body (1a) is raised and the clamp for the plate piece (92) is released.
By operating the protruding member (76) that is waiting at the end of the first presser body (1) on the auxiliary base (7), the pin (77) protrudes from the upper surface of the auxiliary base (7) and further travels. Let
A pin (77) projects a plate piece (92) placed across the auxiliary base (7) and the adjacent presser bases (3) in the lateral direction. As a result, the plate piece (92) at a position out of the reach of the operator can be taken out from the first presser body (1).

As described above, the plate can be cut from the two intersecting directions while the plate (9) is clamped, and the work efficiency can be greatly improved.
The circular saw blade (4) of the first presser body (1) cuts into the plate material (9) deeper than the thickness of the plate material (9) to damage the discard plate (not shown) of the second presser body (1a). The circular saw blade (4a) of the second presser body (1a) also damages the discard plates (30) and (70) of the first presser body (1). You can replace it.

In carrying out the present invention, the guide post (22) for guiding the second presser body (1a) is omitted, and the second presser body (1a) is kept parallel to the first presser body (1). If the suspension is supported so that it can rotate within a horizontal plane around the center of the second presser body (1a) and can be positioned at a desired rotation angle, the circular saw blade (4) of the first presser body (1) The angle formed by the traveling direction and the traveling direction of the circular saw blade (4a) of the second presser body (1a) of the second presser body (1a) can be set arbitrarily, and the plate material (9) is a diamond-shaped plate piece (92) Can be carved into.
In the embodiment, the plate material (9) is clamped by lowering the second presser body (1a) with respect to the plate material (9) placed on the first presser body (1). Rather, the first presser body (1) and the second presser body (1a) are arranged vertically, and the first presser body (1) and the second presser body (1a) are moved closer to and away from each other. It is also possible to clamp and cut the plate material (9).

In the embodiment, the circular saw blades (4) are moved up and down all at once and protruded from the slit (31) of the presser base (3). However, the present invention is not limited to this, and each circular saw blade (4 ) Are moved up and down independently, and when a wide plate piece (92) with a wide plate width W1 is desired, the unnecessary circular saw blade (4) can be cut while being accommodated in the presser base (3). You can do it.
Similarly, the circular saw blade (4a) of the second presser body (1a) can be cut while the unnecessary circular saw blade (4a) is housed in the second presser body (3a). .
In the embodiments, the circular saw blades (4) are traveled all at once to simplify the travel drive device. However, the present invention is not limited to this, and each circular saw blade (4) is independent. The circular saw blade (4) which is unnecessary for the same reason as described above can be stopped during the cutting operation.
The same applies to the driving of the circular saw blade (4a) of the second presser body (1a).
In the embodiment, each circular saw blade (4) is rotationally driven all at once by a common rotational drive shaft (44). However, each circular saw blade (4) is configured to be rotationally driven independently and cut. Only the circular saw blade (4) necessary for the work can be driven to rotate.
The same applies to the circular saw blade (4a) of the second presser body (1a).

  The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. In addition, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.

It is a slope view of a cutting device. It is a top view of the 1st presser body. It is a front view of a cutting device. It is sectional drawing of a 1st presser body. It is a slope figure inside a 1st presser body. It is sectional drawing of an auxiliary stand. It is a slope figure inside an auxiliary stand. FIG. 4A is a plan view of the plate material, FIG. b is a plan view of the plate material cut into strips, and FIG. c is a plan view of the strip cut into plate pieces.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st presser body 2 Base 3 Presser foot 4 Circular saw blade 5 Travel drive device 6 Spacing adjustment device 7 Auxiliary stand
76 Projecting member

Claims (5)

  The first presser body (1) and the second presser body (1a) are disposed opposite to each other so as to be relatively close to and away from each other, and a plurality of round blades (4) are disposed on the first presser body (1). ) (1a) can be cut with respect to the plate material (9) to be clamped, and the circular saw blades (4) and (4) can run in the direction along the plate surface of the plate material (9) in a parallel state. A plurality of circular saw blades (4a) can be cut on the plate material (9) on the second presser body (1a) and the circular saw blades (4a) (4a) are parallel to each other. 9) A plate cutting device arranged so as to be able to travel in a direction crossing the traveling direction of the circular saw blade (4) on the first presser body (1) along the plate surface of 9).   The presser bodies (1) (1a) have a plurality of pressers (3) (3a) each having a circular saw blade (4) (4a). 2. The plate cutting apparatus according to claim 1, wherein the distance between the adjacent pressers (3), (3), (3a) and (3a) can be adjusted.   3. The plate cutting device according to claim 1, wherein the circular saw blade row is rotationally driven by a common rotational drive shaft in both pressers (1) (1a).   A second presser body (1a) is disposed above the first presser body (1) so as to be movable up and down, and the cut plate material is placed between the presser bases (3) and (3) adjacent to the first presser body (1). The protruding member (76) for discharging in the direction is arranged so as to be able to travel parallel to the traveling direction of the circular saw blade (4) of the first presser body (1). Board cutting device.   The second presser body (1a) is arranged so as to be rotatable and positionable with respect to the first presser body (1) in a state of facing the first presser body (1), and the circular blade row of the first presser body (1). The plate cutting device according to any one of claims 1 to 4, wherein the crossing angle of the traveling direction of the circular saw blade row of the second presser body (1a) with respect to the traveling direction is adjustable.

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