JPH09248708A - Flat board perpendicularly finishing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure an accurate finish of perpendicularly of rectangular flat board by arranging cutters so as to move freely along the perpendicular sides of rectangular area. SOLUTION: A cutter body 14 of a first cutter unit 10 is moved to the direction of a first crossing point 90S to cut a first end surface Sa with a cutter a4 to carry out finish work. Simultaneously therewith, a cutter main body 34 of a second cutter unit 30 is moved to the first crossing point 90S to a second crossing point 90t to cut a second end surface Sb for performing finish work. Then, a rectangular flat board is turned at an angle of 180 degrees, and after the finished first end surface Sa of the board is adjusted to a first gauge, the second end surface St is adjusted to a second gauge. After moving a cutter body 34 of the second cutter unit 30 to the first crossing direction from the second crossing point 90t, a fourth end surface Sd is cut and finished by the cutter 24.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved technique for a flat plate right angle machine.

[0002]

2. Description of the Related Art FIG. 11 is a diagram for explaining the operation of a conventional milling machine. A milling machine 100 includes a column 101, a cutting unit 102 attached to the column 101, a milling cutter 103 attached to the tip of the cutting unit 102, and a moving unit. Possible table 104. On table 104,
The rough-cut rectangular flat plate 107 is attached to the positioning blocks 108, 10.
8 and clamp, and first end face 107a to milling machine 1
Finish with 03. Next, the rectangular flat plate 107 is unclamped, inverted by 180 °, and the positioning blocks 108, 108
Again, it is clamped again and the end face 107c is finished after this. Next, the positions of the positioning blocks 108, 108 are corrected, and the remaining end surfaces 107b, 1
Finish 07d.

FIG. 12 is an explanatory view of the operation of a conventional flat plate right-angle processing machine. The flat plate right-angle processing machine 110 is an X-axis cutting unit 111 which is movable in the X-axis direction, and this X-axis cutting unit 1.
11, a Y-axis cutting unit 112 that is movable at right angles to the Y-axis direction, and a table 113 that is provided along these units 111 and 112. In the first step, the rectangular flat plate 117 is clamped on the table 113, and the end faces 117a and 117b of the rectangular flat plate 117 are finished. In the second step, the rectangular flat plate 117 is rotated 180 ° and clamped on the table 113 again to finish the end faces 117c and 117d of the rectangular flat plate 117.

FIG. 13 is an explanatory view of the operation of a conventional flat plate right angle machine with a ruler.
The X-axis cutting unit 121 that can move in the axial direction and this X-axis cutting unit 121.
A Y-axis cutting unit 122 which is provided at right angles to the axis-cutting unit 121 and is movable in the Y-axis direction, and these units 12
1, 122, and a positioning ruler 124, which is provided at the other end of the table 123 and is movable in the XY axis directions. In the first step, the rectangular flat plate 127 is clamped on the table 123, and the end faces 127a and 127b of the rectangular flat plate 127 are finished. Second
In the process, the rectangular flat plate 127 is rotated by 180 °, the processed end surface 127a and the end surface 127b are aligned with the positioning ruler 124, and the table 123 is clamped again.
End surface 127c and end surface 127d are finished.

[0005]

14 (a) to 14 (c).
FIG. 6 is a diagram showing an accuracy error when the four corners of a rectangular flat plate are finished at right angles with a conventional processing machine. (A) According to the milling machine 100 of FIG. 11, the parallelism between the facing end surfaces 107a and 107c and between the facing end surfaces 107b and 107d is high. However, the squareness a1 between adjacent end faces (for example, 107a and 107b) is not accurate. Moreover, the working time is long and the production efficiency is low.

(B) According to the flat plate right angle machine 110 of FIG. 12, the angle b1 formed by the end surfaces 117a and 117b is a right angle, but the angle b2 formed by the end surfaces 117b and 117c is unlikely to be a right angle. Therefore, the accuracy is not good.

(C) Flat plate right angle machine 1 with a ruler shown in FIG.
According to No. 20, the respective end faces 127a, 127b, 1
The perpendicularity and parallelism with 27c and 127d are improved.
However, as is clear from FIG. 12, the flat plate right angle machine 120 with a ruler requires the X rail 125 and the Y rail 126 for moving the positioning ruler 124 in the X and Y directions, and the rectangular flat plate 127 on the table 123. Since these X / Y rails 125 and 126 are an obstacle in setting / resetting, the workability is deteriorated.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a flat plate right-angle processing machine in which the squareness and parallelism of a rectangular flat plate are accurately finished and which is easy to work.

[0009]

In order to achieve the above object, the invention according to claim 1 is a flat plate right-angle processing machine for finishing the four sides of a roughly cut rectangular flat plate to increase the squareness and parallelism. Assuming a work rectangular area that is one size larger than the work of maximum size, the four sides of this rectangular area are
The sides, the second side, the third side, and the fourth side are called, the intersection of the first side and the second side is the first intersection, the intersection of the second side and the third side is the second intersection,
When the intersection of the third side and the fourth side is called the third intersection, the first cutter is arranged so that it can travel along the first side and the second cutter can travel along the second side. , The first alignment gauge is arranged near the second intersection of the third side, the second alignment gauge is arranged near the third intersection of the fourth side, and the second alignment gauge is arranged in the third position. It is configured to be able to reciprocate to the second intersection along the side, and any one of the four corners of the rectangular flat plate as the work material is aligned with the first intersecting point, and the rectangular flat plate is cut by the first and second cutters. The first and second sides are finished at right angles, then the finished first and second sides are brought into contact with the first and second alignment gauges, and one of the four corners of the rectangular flat plate is the second intersection point. In this state, one of the remaining two sides is finished at a right angle with the second cutter, and then two of the three finished sides are treated as the first side.
.Abutting on the second alignment gauge and at one of the four corners of the rectangular flat plate
This is a flat plate right angle machine characterized by finishing the last one side at a right angle in a state where the pieces are aligned with the second intersection.

Since the first cutter is movably arranged along the first side of the rectangular area and the second cutter is movably arranged along the second side, the first and second cutters are arranged. At the same time, the first and second sides of the rectangular flat plate can be finished at right angles with high precision. The first alignment gauge is arranged near the second intersection on the third side of the rectangular area, the second alignment gauge is arranged near the third intersection on the fourth side, and the second alignment gauge is arranged on the third side. Since it is configured to be able to reciprocate up to the second intersection along, it is possible to secure a sufficient work area and accurately finish the third and fourth sides at right angles.

According to a second aspect of the present invention, the flat plate right-angle processing machine is provided with a U-shaped work bed in plan view facing the first side, the second side, and the third side, and a large concave portion for working is provided on the fourth side. The flat plate right angle machine according to claim 1, further comprising: Since the work bed having a U-shape in plan view is provided and the large concave portion for working is provided on the fourth side, the rectangular flat plate can be easily handled and the workability is improved.

[0012]

Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings should be viewed in the direction of reference numerals. FIG. 1 is a perspective view of a plane right-angle processing machine according to the present invention. The plane right-angle processing machine 1 is the first cutter unit 1
0, the second cutter unit 30, the first gauge unit 40, the second gauge unit 50, the work fixing unit 60, the plurality of guide units 70 (... indicates a plurality, the same applies hereinafter), and the work bed 80. And the first operation panel 8
1 and a second operation panel 82.

Next, the positional relationship among the above units will be described with reference to FIG. FIG. 2 is a plan view of a plane right-angle processing machine according to the present invention. Now, assuming a work rectangular area 90 that is slightly larger than the work of the maximum size,
The sides are referred to as the first side 90a, the second side 90b, the third side 90c, and the fourth side 90d in the counterclockwise order, and the intersection of the first side 90a and the second side 90b is the first intersection 90s and the second side 90b. And an intersection of the third side 90c and the third side 90c is defined as a second intersection 90t, and an intersection of the third side 90c and the fourth side 90d is defined as a third intersection 90u.

In the flat surface right-angle processing machine 1, the first cutter unit 10 is movably arranged along the first side 90a, and the second cutter unit 10 is provided.
The second cutter unit 30 is movably arranged along the side 90b, the first gauge unit 40 is arranged near the second intersection 90t of the third side 90c, and the third intersection 9 of the fourth side 90d.
The second gauge unit 50 is arranged closer to 0u, and the second gauge unit 50 can be reciprocated along the third side 90c to the second intersection 90t.

Further, the first cutter unit 10 and the second cutter unit 30 are arranged at right angles to each other, the first gauge unit 40 and the second gauge unit 50 are arranged at right angles to each other, and the first cutter unit 10 and The first gauge unit 40 is arranged parallel to each other, and the second cutter unit 30 and the second gauge unit 50 are arranged parallel to each other. The work bed 80 has the first side 9
0a, the second side 90b, and the third side 90c are U-shaped in a plan view, and a large working recess 80a is provided on the side of the fourth side 90d.

FIG. 3 is a view taken in the direction of arrow 3 in FIG. 2, and is a first side view of the plane right-angle processing machine 1 according to the present invention. The first cutter unit 10 includes a horizontally elongated frame 11, a feed screw 12 extending in the same direction as the frame 11 and rotatably supported on an upper portion of the frame 11, and a cutter screw-engaged with the feed screw 12. It is composed of a main body 14 and a servomotor 15 for rotating the feed screw 12. Reference numeral 16 is a belt that is stretched between a pulley 17 of the feed screw 12 and a pulley 18 of the servomotor 15.

The work fixing unit 60 comprises a substantially gate-shaped frame 61 and a plurality of pneumatic cylinders 63 ... Attached from the upper surface of the frame 61. Also, these pneumatic cylinders 6
3 are provided with pressing pads 64 ...

FIG. 4 is a view taken in the direction of arrow 4 in FIG. 2, showing the cutter body. The cutter body 14 includes a carrier table 21 that moves in the front-back direction of the figure, a cutter table 22 that is slidably mounted on the carrier table 21 in the left-right direction of the figure, and a spindle 23 that is mounted on the upper part of the cutter table 22. It comprises a cutter 24 attached to the spindle 23 and a motor 25 for rotating the cutter 24. Reference numeral 26 is a belt that is stretched between a pulley 27 of the spindle 23 and a pulley 28 of the motor 25, and 29 is a belt cover.

FIG. 5 is a view taken in the direction of arrow 5 in FIG. 2, and is a second side view of the plane right-angle processing machine 1 according to the present invention. The second cutter unit 30 has the same configuration as that of the first cutter unit 10, and the same components are designated by the same reference numerals and detailed description thereof is omitted. However, the frame 31 and the feed screw 32 of the second cutter unit 30 are the same as those of the first cutter unit 10.
Is longer than the frame 11 and the feed screw 12. The cutter body 34 is the cutter body 1 of the first cutter unit 10.
4 has the same configuration.

FIG. 6 is a view taken in the direction of arrow 6 in FIG. 2, and is a third side view of the plane right-angle machine 1 according to the present invention. The first gauge unit 40 is arranged at one end of the work bed 80, and is provided on the work bed 80 so as to be vertically movable.
It consists of a gauge 42 and a pneumatic cylinder 43 that moves the first gauge 42 up and down. The first gauge 42 includes a pair of elongated guide holes 42a, 42a and a pair of fixed elongated holes 4a.
2b, 42b, and these long holes 42a, 42a, 4
2b and 42b are vertically elongated. Long holes for guide 42a, 4
Reference numeral 2a is an elongated hole that engages with the guide pins 44 of the work bed 80 and guides the vertical movement of the first gauge 42.
The fixing long holes 42b, 42b are holes for fixing the first gauge 42 to the side wall of the work bed 80 with lever bolts 45, 45.

The second gauge unit 50 includes a horizontally long frame 51 in this figure, and a feed screw 52 extending in the same direction as the frame 51 and rotatably supported on the upper portion of the frame 51.
And a gauge base 53 screw-engaged with the feed screw 52,
A second gauge 54 supported on the gauge base 53 and a gear motor 55 for rotating the feed screw 52. 56 is
Pulley 57 of feed screw 52 and pulley 5 of gear motor 55
It is a timing belt hung between 8 and.

The guide unit 70 includes a work bed 80.
The pin guide 71 attached to the side surface and this pin guide 71
Guide pin 72 that slides and this guide pin 72
And a pneumatic cylinder 73 for moving up and down. A pin pad 74 is provided on the rod 73a of the pneumatic cylinder 73. The guide unit 70 having such a configuration
Are arranged along the periphery of the work bed 80 (see FIG. 1).

In this embodiment, the cutter bodies 14 and 34 of the first and second cutter units are composed of horizontal milling cutters, but they are not necessarily horizontal milling mills and may be vertical milling mills.

The operation of the present invention will be described with reference to FIGS. FIG. 7 is a view showing a work rectangular area of the plane right-angle processing machine according to the present invention. As described with reference to FIG. 2, a work rectangular area 9 that is slightly larger than the largest dimension work (rectangular flat plate).
Assuming 0, the four sides of this rectangular area are referred to as the first side 90a, the second side 90b, the third side 90c, and the fourth side 90d in the counterclockwise order, and the intersection of the first side 90a and the second side 90b. Is called the first intersection 90s, the intersection of the second side 90b and the third side 90c is called the second intersection 90t, and the intersection of the third side 90c and the fourth side 90d is called the third intersection 90u. In addition, four sides of the rectangular flat plate S are counterclockwise in order of the first end surface Sa, the second end surface Sb, and the third end surface Sc.
And the fourth end surface Sd.

Processing by the plane right-angle processing machine 1 includes the first step to the third step, which will be described in order. 8 (a)-(c)
FIG. 6 is an operation explanatory view of the first step of the plane right-angle processing machine according to the present invention. (A) The guide pins 72 of each of the guide units 70 are raised by the pneumatic cylinders 73, and are raised above the upper surface of the work bed 80. The end surface Sb is connected to the guide pin 72 ...
Abut. (B) The pneumatic cylinders 63 of the work fixing unit 60 are operated, the pressing pads 64 provided on the rods 63a of the cylinders 63 press the rectangular flat plate S from the upper surface, and the guides of the guide unit 70 are guided. The pins 72 are lowered by the pneumatic cylinders 73, and are lowered from the upper surface of the work bed 80. (C) Move the cutter body 14 of the first cutter unit 10 in the direction of the first intersection 90s as shown by the arrow to move the first end surface S
A is cut with a cutter 24 to finish. At the same time the second
The cutter body 34 of the cutter unit 30 is moved in the direction from the first intersection 90s to the second intersection 90t as shown by the arrow, and the second end surface Sb is cut by the cutter 24 for finishing. As a result, the first end surface Sa and the second end surface Sb are finished at a right angle.
In the first step, the first operation panel 8 near the work position
Use 1.

FIGS. 9 (a) to 9 (c) are explanatory views of the operation of the second step of the plane right-angle processing machine according to the present invention. (A) The pneumatic cylinder 43 raises the first gauge 42 of the first gauge unit 40 and fixes it with the bolts 45, 45 with a lever. The gear motor 55 is rotated to move the second gauge 54 of the second gauge unit 50 to a predetermined position. (B) With the guide pins 72 of the guide unit 70 ...
Is rotated 180 ° to finish the first end surface Sa of the rectangular flat plate S.
To the first gauge 42, the end surface Sb to the second gauge 54, and the pneumatic cylinders 63 of the work fixing unit 60 are operated, and the rectangular flat plate S is pressed by the pressing pads 64 of the rods 63a of the cylinders 63. Is pressed from above. (C) The cutter body 34 of the second cutter unit 30 is moved in the direction of the first intersection 90s from the second intersection 90t as shown in the arrow direction, and the fourth end surface Sd is cut by the cutter 24 to finish. As a result, the fourth end surface Sd and the first end surface Sa are finished at a right angle. In the second step, the second operation panel 82 near the work position is used.

FIGS. 10 (a) to 10 (c) are explanatory views of the action of the third step of the plane right-angle machine according to the present invention. (A) The gear motor 55 is rotated to move the second gauge 54 of the second gauge unit 50 to a predetermined position in a state where the first gauge of the first gauge unit 40 is fixed to the upper side by the bolts 45, 45 with levers. . (B) With the guide pins 72 of the guide unit 70 lowered from the upper surface of the work bed 80, the finished fourth end surface Sd of the rectangular flat plate S is aligned with the first gauge 42, and the first end surface Sa is formed.
To the second gauge 54, and the pneumatic cylinders 63 of the work fixing unit 60 are operated to operate these cylinders 63.
The rectangular flat plate S is pressed from above by the pressing pads 64 of the rods 63a. (C) The cutter body 34 of the second cutter unit 30 is moved in the direction of the first intersection 90s from the second intersection 90t as shown by the arrow, and the third end surface Sc is cut by the cutter 24 to finish. As a result, the third end surface Sc and the fourth end surface Sd are finished at a right angle. Further, also in the third step, the second operation panel 82 located near the work position is used.

By the above processing, each end surface S of the rectangular flat plate S is
a, Sb, Sc and Sd are accurately finished while maintaining the squareness and parallelism.

Incidentally, it is not always necessary to continuously finish one rectangular flat plate from the first step to the third step. For example, 100 sheets are collectively finished and stocked in one step, and the second step, It is also possible to move to the third step. Further, depending on the thickness of the rectangular flat plate S, it is possible to finish several sheets at a time.

[0030]

The present invention has the following effects due to the above configuration. According to claim 1, the first cutter is movably arranged along the first side, the second cutter is movably arranged along the second side, and the second cutter is arranged near the second intersection of the third side. The first alignment gauge is arranged, the second alignment gauge is arranged near the third intersection of the fourth side, and the second alignment gauge is reciprocally movable along the third side to the second intersection. Then, match any one of the four corners of the rectangular flat plate as the work material at the first intersection, and finish the first and second sides of the rectangular flat plate at right angles with the first and second cutters. Next, the finished first and second sides are brought into contact with the first and second alignment gauges, and one of the four corners of the rectangular flat plate is aligned with the second intersection, and in this state, one of the remaining two sides is aligned. Finish the sides at a right angle with a second cutter, then finish 3
It is characterized in that two of the two sides are in contact with the first and second alignment gauges, and one of the four corners of the rectangular flat plate is aligned with the second intersection, and the last one side is finished at a right angle. It is a flat plate right angle machine.

Since the first cutter is movably arranged along the first side and the second cutter is movably arranged along the second side, the first and second cutters are simultaneously arranged. It is possible to accurately finish the first and second sides of the rectangular flat plate at right angles. The first alignment gauge is arranged near the second intersection on the third side, the second alignment gauge is arranged near the third intersection on the fourth side, and the second alignment gauge is arranged along the third side. Second
Since it is configured to be able to reciprocate to the intersection, a sufficient work area can be secured, and the third and fourth sides can also be accurately finished at a right angle.

According to a second aspect of the present invention, the flat plate right-angle processing machine has a first side,
The flat plate right-angle processing machine according to claim 1, further comprising a work bed having a U-shape in plan view facing the second side and the third side, and a large working recess on the fourth side. Since the work bed having a U-shape in plan view is provided and the large concave portion for working is provided on the fourth side, the rectangular flat plate can be easily handled and the workability is improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a plane right-angle processing machine according to the present invention.

FIG. 2 is a plan view of a plane right-angle processing machine according to the present invention.

FIG. 3 is a view taken in the direction of arrow 3 in FIG. 2;

FIG. 4 is a view taken in the direction of arrow 4 in FIG. 2;

FIG. 5 is a view taken in the direction of arrow 5 in FIG. 2;

FIG. 6 is a view taken in the direction of arrow 6 in FIG. 2;

FIG. 7 is a view showing a work rectangular area of the plane right-angle processing machine according to the present invention.

FIG. 8 is an explanatory view of the operation of the first step of the plane right-angle processing machine according to the present invention.

FIG. 9 is an explanatory view of the operation of the second step of the plane right-angle processing machine according to the present invention.

FIG. 10 is an operation explanatory view of a third step of the plane right-angle processing machine according to the present invention.

FIG. 11 is an operation explanatory view of a conventional milling machine.

FIG. 12 is an explanatory view of the operation of the conventional flat plate right angle processing machine.

FIG. 13 is an operation explanatory view of a conventional flat plate right angle machine with a ruler.

FIG. 14 is a diagram showing an accuracy error when the four corners of a rectangular flat plate are finished at right angles by a conventional processing machine.

[Explanation of symbols]

1 ... Flat plate right angle machine, 10 ... 1st cutter (1st cutter unit), 30 ... 2nd cutter (2nd cutter unit), 40 ... 1st alignment gauge (1st gauge unit), 50 ... 2 alignment gauge (second gauge unit), 80 ... work bed, 80a ... recess, 90 ... work rectangular area, 90a ... first side, 90b ... second side, 90c
... third side, 90d ... fourth side, 90s ... first intersection, 90t
… Second intersection, 90u… third intersection.

Claims (2)

[Claims] 1. A flat-plate right-angle processing machine for finishing four sides of a roughly-cut rectangular flat plate to enhance squareness and parallelism, assuming a work rectangular area that is one size larger than a workpiece of maximum size. The four sides of the area are referred to as the first side, the second side, the third side and the fourth side in order, the intersection of the first side and the second side is the first intersection, and the intersection of the second side and the third side is the second side. When the intersection, the intersection of the third side and the fourth side is referred to as the third intersection, the first cutter is movably arranged along the first side and the second cutter is arranged along the second side. Is arranged so that it can travel freely, the first alignment gauge is arranged near the second intersection on the third side, the second alignment gauge is arranged near the third intersection on the fourth side, and this second alignment gauge is arranged. The second along the third side
It is configured to be capable of reciprocating to the intersection, and any one of the four corners of the rectangular flat plate as the work piece is aligned with the first intersection, and the first and second rectangular flat plates are cut by the first and second cutters. The sides are finished at right angles, then the finished 1st
The second side is brought into contact with the first and second alignment gauges, and one of the four corners of the rectangular flat plate is aligned with the second intersection, and in this state, one of the remaining two sides is right angled by the second cutter. To the first and second sides of the three finished sides.
A flat plate right angle machine characterized by finishing the last one side at a right angle in a state where it is in contact with the alignment gauge and one of the four corners of the rectangular flat plate is aligned with the second intersection. 2. The flat plate right-angle processing machine includes a work bed having a U-shape in a plan view facing the first side, the second side, and the third side, and a large concave portion for working on the fourth side. The flat plate right angle processing machine according to claim 1, characterized in that.