JP2000051974A - Plate working machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plate working machine to improve and stabilize the working accuracy without being affected by the fitting error of a side table and a carriage base, and the displacement due to the weight of a moving work. SOLUTION: In a plate working machine where a center table is fixed to a frame on a forward side of a part to be machined of a work, side tables 13F, 13R are provided on both sides of the center table movably relative to the frame, a carriage base 15 movable in the longitudinal direction is provided across the center table on the side tables 13F, 13R, and a carriage provided with a work clamp is provided on the carriage base 15 movably in the right-to- left direction, the side tables 13F, 13R and the carriage base 15 are coupled with each other by a shaft 45 through a spherical bearing 43.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate processing machine for processing a plate such as a turret punch press on a work.

[0002]

2. Description of the Related Art Conventionally, for example, a turret punch press 101 as a plate material processing machine is provided with an upright portal frame 103 as shown in FIG. The upper turret 105 has a rotatable upper turret 105 supported thereon.
A plurality of punches P are mounted on the circumference of 05 at appropriate intervals. A lower turret 107 that is rotatable in correspondence with the upper turret 105 is supported on a lower frame of the portal frame 103. A plurality of dies D are mounted on the circumference of the lower turret 107 at appropriate intervals in correspondence with the punches P.

The positions of the punches P and dies D mounted on the right ends of the upper and lower turrets 105 and 107 in FIG. This processing position K
The upper frame above the ram 10
9 are provided.

A center table 111 is fixedly provided on the front side (the right side in FIG. 7) of the lower turret 107, and a front table as a side table is provided on the left and right sides (the left and right sides in FIG. 7) of the center table 111. Rear tables 113F and 113R are provided so as to be movable in the Y-axis direction (the left-right direction in FIG. 7) which is the front-back direction. The front and rear tables 113F and 11
In the right end in FIG. 7 on the 3R, as shown in FIG.
15 is attached with a plurality of bolts 117.

A carriage 121 having a plurality of work clamps 119 is provided on the carriage base 115 so as to be movable in an X-axis direction (a vertical direction in FIG. 7) which is a horizontal direction.

With the above structure, the carriage 121 is moved in the X-axis direction and the carriage base 115 is moved in the Y-axis direction while the work W is clamped by the work clamp 119, and the desired position of the work W is moved to the processing position K. Let me know. Further, the upper and lower turrets 105 and 107 are rotated from the plurality of punches P and the dies D so that desired punches P and
The die D is indexed to the processing position K. By moving the ram 109 up and down in this state, desired punching processing is performed on the work W in cooperation with the punch P and the die D.

[0007]

By the way, since the weight P of the work W moves in the X-axis direction, a displacement δ _{1 of the} carriage base 115 occurs as shown in FIG. Also, since the carriage base 115 and the front and rear tables 113F and 113R are connected by bolts 117, the front and rear tables 113F and 113R are temporarily set.
If the mounting surface of the 3R is distorted, the carriage base 115 is pulled up and down by the connection of the bolt 117, and the displacement δ
₂ results. As a result, the carriage base 115 has δ
_The displacement is given by ₁ + δ ₂ = δ, which adversely affects the processing accuracy of the work W.

SUMMARY OF THE INVENTION An object of the present invention is to provide a plate material processing machine capable of improving the processing accuracy and stabilizing without affecting the mounting error between the side table and the carriage base and the displacement due to the weight of the moving workpiece. To provide.

[0009]

According to a first aspect of the present invention, there is provided a plate material processing machine according to the present invention, wherein a center table is fixed to a frame at a front side of a processing section for processing a work. Side tables are provided on both sides of the center table so as to be movable with respect to the frame. A carriage base is provided on the side table, which is movable in the front-rear direction across the center table, and a work clamp is provided on the carriage base. In a plate material processing machine provided with a carriage movably in the left-right direction, the side table and the carriage base are connected by a shaft via a spherical bearing.

Therefore, since the carriage base and the side table are connected by the shaft via the spherical bearing, the weight of the side table and the weight of the work are not affected on the carriage base. That is, the displacement of the carriage base in the up-down direction is smaller than in the related art, and the improvement and stability of processing accuracy are achieved.

According to a second aspect of the present invention, there is provided a plate processing machine according to the present invention.
The plate processing machine according to claim 1, wherein a linear guide member supported and guided by a linear guide rail laid on a frame is provided below the side table.

Therefore, since the linear guide member supported and guided by the linear guide rail is provided below the side table, the side table is less likely to bend and the vertical displacement is reduced.

[0013]

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

Referring to FIGS. 1, 2 and 3, for example, a turret punch press 1 as a plate material processing machine has an upright portal frame 3, and an upper frame 3U of the portal frame 3. The upper turret 5 has a rotatable upper turret 5, and a plurality of punches P are mounted on the circumference of the upper turret 5 at appropriate intervals. A lower turret 7 that is rotatable in correspondence with the upper turret 5 is supported on a lower frame 3D of the portal frame 3. A plurality of dies D are mounted on the circumference of the lower turret 7 at appropriate intervals in correspondence with the punches P.

The positions of the punches P and dies D mounted on the right ends of the upper and lower turrets 5 and 7 in FIG. The upper frame 3U above the processing position K is provided with a ram 9 which can move up and down.

A center table 11 is fixedly provided on the front side (the right side in FIG. 2) of the lower turret 7, and a side table is provided on the left and right sides (the left and right sides in FIG. 1 and the upper and lower sides in FIG. 2) of the center table 11. Front and rear tables 13F and 13R as tables are provided so as to be movable in the Y-axis direction (the left-right direction in FIG. 2) which is the front-back direction. This front, lift table 13F,
A carriage base 15 is attached to the right end of FIG.

A carriage 19 having a plurality of work clamps 17 is provided on the carriage base 15 so as to be movable in the X-axis direction (the vertical direction in FIG. 2) which is the horizontal direction.

With the above configuration, the carriage 19 is moved in the X-axis direction and the carriage base 15 is moved in the Y-axis direction while the work W is clamped by the work clamp 7, and the desired position of the work W is moved to the machining position K. Let me know. The upper and lower turrets 5 and 7 are rotated from the plurality of punches P and dies D to index the desired punch P and die D to the processing position K. By moving the ram 9 up and down in this state, a desired punching process is performed on the work W in cooperation with the punch P and the die D.

As shown in FIG. 1, a sub-guide arm 21 is attached to the lower frame 3D. On both left and right sides of the sub guide arm 21, linear guide rails 23 extending in the Y-axis direction are laid, and the linear guide rails 23 are provided below the carriage base 15 at appropriate intervals. A plurality of linear guide members 25 are guided and supported so that the carriage base 15 can be smoothly moved in the Y-axis direction.

Further, another sub-guide arm 27 is attached to the lower frame 3D so as to extend in the left-right direction in FIG. 1, and through this sub-guide arm 27, in the X-axis direction and the Y-axis direction. A plurality of support frames 29F and 29R are erected at appropriate intervals. Linear guide rails 31F and 31R extending in the Y-axis direction are laid on the support frames 29F and 29R. The linear guide rails 31F, 31R are provided with linear guide members 33F, 33R mounted below the front and rear tables 13F, 13R. The plurality of front and rear tables 13F, 13R are connected by connecting members 35F, 35R.

With the above configuration, the carriage base 15
Is smoothly moved on the linear guide rail 23 via the guide member 25 in the Y-axis direction. At this time, the front and rear tables 13F and 13R are also smoothly moved on the linear guide rails 31F and 31R in the Y-axis direction via the guide members 33F and 33R.

The relationship between the linear guide rails 31F, 31R and the linear guide members 33F, 33R is well shown in FIG. In FIG. 4, the linear guide rail 3
1F and 31R are in the form of, for example, railroad rails.
Even if R bends inside or outside, it has a structure to absorb errors. Moreover, the linear guide member 33F,
The 33R is capable of preventing the front and rear tables 13F, 13R from fluttering when the carriage base 15 moves in the Y-axis direction by restraining the carriage base 15 in the vertical and horizontal directions. Can be.

FIG. 5 shows another embodiment for guiding and supporting the rear table 13R. 5, the same components as those in FIGS. 1 to 3 are denoted by the same reference numerals, and redundant description will be omitted.

In FIG. 5, a linear guide rail 31R is laid on one side, for example, the left side of the support frame 29R so as to extend in the Y-axis direction, and the linear guide rail 31R is provided below the left rear table 13R. The attached linear guide member 33R is provided.
A guide rail 37 is laid on the other side, for example, the right side of the support frame 29R, and a guide roller 39 attached to a lower portion of the right rear table 13R is provided on the guide rail 37 so as to roll. Have been.

With the above structure, when the carriage base 15 is moved in the Y-axis direction, the left rear table 13R is moved along the linear guide rail 31R by the linear guide member 3R.
The right rear table 13R is moved along the guide rail 37 in the Y-axis direction via the guide rollers 39 while being moved in the Y-axis direction via the 3R. In this example, as in the above-described embodiment, the play in the upper and lower portions is reduced as compared with the related art, and the improvement and stability of the punching accuracy can be achieved.

Further, the front table 13F also has the same operation and effect as the front table 13F is symmetric with the mounting situation shown in FIG.

Below the carriage base 15, front and rear tables 13F and 13R are mounted. More specifically, as shown in FIG. 6, a hole 41 is formed in the right end of each of the front and rear tables 13F, 13R in the vertical direction. Are mounted vertically. An upper flange 45F integrated with the upper portion of the shaft 45 is connected to the lower surface of the carriage base 15 by a plurality of bolts 47.

With the above configuration, even if the weight P, which is the sum of the weights of the front and rear tables 13F and 13R and the weight of the work W, works as shown by the arrow, the displacement in the vertical direction causes the shaft 45 to absorb the slip error, Carriage base 1
5 is not told. Therefore, it is possible to improve and stabilize the punching accuracy.

The present invention is not limited to the above-described embodiment of the invention, but can be embodied in other forms by making appropriate changes. In the present embodiment, a turret punch press has been described as an example of a plate processing machine, but another punch press, a laser processing machine, or the like may be used.

[0030]

As will be understood from the above description of the embodiments of the present invention, according to the first aspect of the present invention, the carriage base and the side table are connected by the shaft via the spherical bearing. The weight of the side table and the weight of the workpiece do not affect the carriage base.
That is, the displacement of the carriage base in the up-down direction is smaller than in the related art, so that the processing accuracy can be improved and the stability can be improved.

According to the second aspect of the present invention, since the linear guide member supported and guided by the linear guide rail is provided below the side table, the side table is less likely to bend, and the displacement in the vertical direction is reduced. Can be reduced.

[Brief description of the drawings]

FIG. 1 is a front view of a turret punch press as a plate processing machine of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a side view of FIG.

FIG. 4 is an enlarged view showing a relationship between a linear guide rail and a linear guide member.

FIG. 5 is a front view showing another embodiment for moving a rear table.

FIG. 6 is an enlarged view taken along a line VI-VI in FIG. 2;

FIG. 7 is a plan view of a conventional turret punch press.

FIG. 8 is a view taken in the direction of arrow VIII in FIG. 7;

FIG. 9 is a view on arrow IX in FIG. 7;

[Explanation of symbols]

 Reference Signs List 1 turret punch press (plate processing machine) 3 frame 3D lower frame 11 center table 13F front table (side table) 13R rear table (side table) 15 carriage base 17 work clamp 19 carriage 27, 33F, 33R linear guide member 29F, 29R Support frame 31F, 31R Linear guide rail 35F, 35R Connecting member 37 Guide rail 39 Guide roller 41 Hole 43 Spherical bearing 45 Shaft 47 Bolt

Claims (2)

[Claims] 1. A center table is fixedly provided on a frame in front of a processing section for processing a workpiece, and side tables are provided on both sides of the center table so as to be movable with respect to the frame. In a sheet material processing machine provided with a carriage base movable in the front-rear direction across the table and a carriage provided with a work clamp provided in the carriage base so as to be movable in the left-right direction, the side table and the carriage base are provided. Are connected by a shaft via a spherical bearing. 2. The plate processing machine according to claim 1, wherein a lower portion of the side table is provided with a linear guide member supported and guided by a linear guide rail laid on a frame.