JP2003025032A - Plate working machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plate working machine capable of automatically pass a short length work from one clamp to another. SOLUTION: In the plate working machine having work tables 109 and 111 capable of freely carrying a work W in one direction, and provided with working heads 125 and 127 to work the work W in a reciprocal manner in the horizontal direction across the work carrying direction, a clamp base 25 protruded to the work head side is provided on carriages 113 and 115 movably provided in the work carrying direction, and upper and lower clamp jaws for clamping the work are provided in the direction across the work carrying direction at the tip side of the clamp base, and in the position protruded in the center direction in the longitudinal direction of the work tables.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided with a work table capable of conveying a work in one direction, and a machining head for machining the work is reciprocally movable in a direction intersecting with the work conveying direction. The present invention relates to a plate material processing device provided in.

[0002]

2. Description of the Related Art Conventionally, a work table is provided which is capable of carrying a work in one direction, and a working head for working the work is provided reciprocally in a direction intersecting the work carrying direction. A plate material processing device is known. As shown in FIGS. 8 and 9, in the plate material processing apparatus 101 of this example, a gate-shaped frame 103 is provided upright in a substantially central portion in the left-right direction in FIGS. 8 and 9. X-feeder frame (front side) 105F, 1 extending to the right and left with the gate-shaped frame 103 as a boundary
05B, A feeder frame (Liant side) 107F,
107B is erected. Then, between the X feeder frame (front side) 105F and 105B and between the feeder frame (Liant side) 307F and 307B, for example, a brush table or a brush conveyer X is provided.
Axis work table 109, A-axis work table 11
1 is provided.

The X feeder frame (front side) 1
05F, 105B, A feeder frame (Liant side)
On the 107F and 107B, an X-axis and A-axis carriage 1 having a bridge type shape that can reciprocate in the X-axis and A-axis directions.
13, 115 are provided. The work clamps 1 are respectively attached to the front, rear, left and right lower portions of the upper frames 117, 119 of the X-axis and A-axis carriages 113, 115.
21 and 123 are provided. This work clamp 1
The work clamp on the rear side of 21 and 123 is provided so as to be movable in the front-rear direction, that is, in the CF axis and CR axis directions.

Lower frame 1 of the portal frame 103
Die block 125 with multiple dies D on 03D
And a punch block 127 having a plurality of punches P is provided correspondingly above the die block 125. Moreover, the die block 125
The punch block 127 and the punch block 127 are movably provided in the Y-axis direction, which is the front-rear direction, by a drive means (not shown) such as a drive motor, a ball screw, and a nut member in synchronization with each other.

Upper frame 1 of the gate-shaped frame 103
A punch cylinder 129 that moves in the U-axis direction that is the same direction as the X-axis direction and that moves in the V-axis direction that is the same direction as the Y-axis direction is provided in the lower portion of 03U. The punch cylinder 129 is moved in the U-axis direction and the V-axis direction by a driving unit (not shown) such as a drive motor, a ball screw and a nut member. Moreover, a piston rod 131 is attached to the lower portion of the punch cylinder 129, and the striker 1 is attached to the tip (lower end) of the piston rod 131.
33 is provided.

On the X-axis work table 109,
Locating pins 135 and 137 for positioning the work W when the work W to be processed is processed are provided so as to be retractable.

With the above configuration, the X-axis work table 1
09 on the right side in FIG. 8 and FIG.
Direction) or from above, the work W to be machined is placed and the locate pins 135, 137 are projected so that the end sides of the work W are abutted against the locate pins 135, 137 for positioning. Next, after the positioned work W is clamped by the work clamp 121, X
The axis carriage 113 is moved in the + or − direction of the X axis direction, and the die block 125 and the punch block 127 are moved in the Y axis direction. Then, the punch cylinder 129 is moved in the U-axis direction and the V-axis direction to be positioned at a predetermined position above the die D and the punch P, and thereafter, the punch cylinder 129 is operated to punch by the striker 133. Punching is performed at a required position of the work W by hitting P.

When the punching of the left half of the work W is completed, the work W is clamped by the work clamp 12.
The work clamp is changed from 1 to the work clamp 123. Then, the A-axis carriage 115 is moved in the + or − direction of the A-axis direction, and the die block 125 and the punch block 127 are moved in the Y-axis direction. Then, at a predetermined position above the die D and the punch P,
The punch cylinder 129 is moved in the U-axis direction and the V-axis direction to be positioned, and then the punch cylinder 129 is operated to strike the punch P with the striker 133 to punch the workpiece W to the required position in the right half. Will be done.

[0009]

By the way, the work clamp 12 provided on the X-axis and A-axis carriages 113 and 115 in the above-described conventional plate material processing apparatus 101.
The tips of 1, 123 are the frame 103 and the upper frame 1.
Since 17, 119 interfered with each other, the short material could not be grabbed because it could not reach even the vicinity of the processing head.

The present invention has been made to solve the above-mentioned problems, and an object thereof is to provide a plate material processing apparatus capable of automatically holding and holding a short material having a shorter width in the X-axis direction than a conventional one. It is in.

[0011]

In order to achieve the above object, the plate material processing apparatus of the present invention according to claim 1 is provided with a work table capable of transporting a work in one direction, and is for processing the work. In a plate material processing apparatus having a structure in which a processing head is reciprocally movable in a horizontal direction intersecting the work transfer direction, a clamp projecting toward the processing head side is attached to a carriage provided so as to be movable in the work transfer direction. A base is provided, and upper and lower clamp jaws for clamping the work in a direction intersecting the work transfer direction on the tip side of the clamp base and at a position protruding toward the center of the work table in the longitudinal direction. It is characterized by comprising.

Therefore, a clamp base projecting toward the processing head is provided on the carriage that is movable in the workpiece conveying direction, and the tip side of the clamp base is in a direction intersecting the workpiece conveying direction and Since the upper and lower clamp jaws for clamping the work are provided at the position projecting toward the center of the work table in the longitudinal direction, the upper and lower clamp jaws can be slipped into the vicinity of the machining head. It is possible to automatically pass a workpiece shorter than the product that can be passed from the X-axis to the A-axis of the conventional machine to the A-axis from the X-axis.

According to a second aspect of the present invention, there is provided a plate material processing apparatus according to the first aspect, in which the upper clamp jaw has a wedge member that is movable in and out of the rear end portion. It is characterized in that the opening / closing operation on the tip side is performed by the.

Therefore, since the upper clamp jaw has a structure in which the wedge member provided so as to be able to move forward and backward is opened and closed with respect to the rear end portion to open and close the front end side, the work is simple and easy. Clamped to.

A plate material processing apparatus according to a third aspect of the present invention is the plate material processing apparatus according to the first or second aspect, in which the clamp base is movable in a direction in which the clamp base moves toward and away from the center of the work table in the longitudinal direction. It is characterized by being.

Therefore, when the work is advanced, the clamp base is separated from the center of the work table in the longitudinal direction and is avoided from the work.

According to a fourth aspect of the present invention, there is provided a plate material processing apparatus according to the first, second or third aspect, wherein the clamp base is vertically movable.

Therefore, since the clamp base is movable up and down, when the work is moved in the work transfer direction, the clamp base is lowered by, for example, about 3 mm from the pass line so that the work is smoothly transferred without interference.

According to a fifth aspect of the present invention, there is provided a plate material processing apparatus which is provided with a work table capable of carrying a work in one direction, and a working head for working the work intersects the work carrying direction. In a plate material processing apparatus configured to be reciprocally movable in a horizontal direction, an appropriate number of first clamps capable of clamping one side of the work are provided on a carriage provided to be movable in the work transfer direction, A clamp holder that supports a second clamp that is capable of clamping the other side of the work is provided so as to be reciprocally movable in a direction toward and away from the first clamp and horizontally rotatable. It is characterized by.

Therefore, when a plate material is processed on a long work piece, one side of the work piece provided on a carriage provided movably in the work transfer direction is clamped to an appropriate number of first clamps. The workpiece is clamped by the second clamp that is horizontally rotated to the first clamp side, and the plate material processing is performed on the long workpiece. Further, when processing a plate material on a short work, the clamp holder supporting the second clamp is moved toward and away from the first clamp, and the second clamp is directed toward the machining head side. By horizontally rotating the workpiece, the other side of the workpiece is clamped by the second clamp, and the workpiece of the short material is processed into the plate material and transferred to the opposing second workpiece clamp.

According to a sixth aspect of the present invention, there is provided the plate material processing apparatus according to the fifth aspect, wherein the carriage is provided with a clamp base movably in a direction of approaching and separating from the first clamp. The second clamp is provided on the clamp holder that is horizontally rotatably supported by the clamp base, and the support position of the clamp holder with respect to the clamp base is arranged at a position on the machining head side of the clamp base. It is characterized by that.

Therefore, also in this case, as in the fifth aspect, when the plate material is processed on the long workpiece, one side of the workpiece provided on the carriage movably in the workpiece conveying direction. The work is clamped by an appropriate number of first clamps that can be clamped and a second clamp that is horizontally rotated to the first clamp side, and the plate material processing is performed on the long work. Further, when processing a plate material on a short work, the clamp holder supporting the second clamp is moved toward and away from the first clamp, and the second clamp is directed toward the machining head side. By horizontally rotating the workpiece, the other side of the workpiece is clamped by the second clamp, and the plate material is processed on the short workpiece.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will now be described in detail with reference to the drawings.

Since the whole construction of the plate material processing apparatus is basically the same as that described in the section of the prior art, the same parts are designated by the same reference numerals and detailed description thereof will be omitted. Work clamps at different points will be described.

In FIGS. 1 and 2, the X-axis and A-axis carriages 113 and 115 are respectively attached to the work clamp devices 1 and 3 toward the die block 125 which is the processing head.
Is provided. The work clamp devices 1 and 3 are
They are arranged symmetrically to each other, but structurally have the same structure.

A work W to be machined is placed on the X-axis work table 109 from the right direction (negative X-axis direction) in FIG. 1 or from above, and the work W is clamped by the work clamp device 1. After that, the X-axis carriage 113 is moved in the + or − direction of the X-axis direction, and the die block 125 and the punch block 127 are moved in the Y-axis direction. Then, the punch cylinder 129 is moved in the U-axis direction and the V-axis direction to be positioned at a predetermined position above the die D and the punch P, and thereafter, the punch cylinder 129 is operated to punch by the striker 133. Punching is performed at a required position of the work W by hitting P.

Then, when punching of the left half of the work W is completed, the work W is replaced by the work clamp device 1 from the work clamp device 1. Then, the A-axis carriage 115 is moved in the + or − direction of the A-axis direction, and the die block 125 and the punch block 127 are moved in the Y-axis direction. Then, at a predetermined position above the die D and the punch P,
The punch cylinder 129 is moved in the U-axis direction and the V-axis direction to be positioned, and then the punch cylinder 129 is operated to strike the punch P with the striker 133 to punch the workpiece W to the required position in the right half. Will be done.

Each of the work clamp devices 1 and 3 is provided with a clamp holder 5 as shown in FIGS. 3, 4 and 5, and the rear end portion (the left end portion in FIG. 3) of the clamp holder 5 is provided. An avoidance cylinder 7 is attached to the. A U-shaped moving member 11 that is movable downward in FIG. 4 is attached to the clamp holder 5 at the tip of a piston rod 9 mounted on the avoidance cylinder 7 by a plurality of nuts 13.

The clamp holder 5 has a front-back direction (see FIG. 4).
In the vertical direction) is provided with a guide rail 15, and a guide member 17 is provided on the guide rail 15.
Is provided so as to be movable in the front-rear direction, and the guide member 17 is attached to the moving member 11 via a plate member 19.

The plate member 19 is provided with a guide rail 21 extending vertically. A guide member 23 is provided on the guide rail 21 so as to be movable in the vertical direction. The guide member 23 is attached to the rear portion of the L-shaped clamp base 25 protruding toward the die block 325, which is the processing head. ing.

A floating cylinder 27 is attached to the plate member 19 and a piston rod 29 attached to the floating cylinder 27.
Is attached to the clamp base 25 via the plate member 31.

On the tip side of the clamp base 25, there is a direction intersecting the work transfer direction and the X-direction.
Upper and lower clamp jaws 33 and 35 for clamping the work W are provided at positions projecting toward the center in the longitudinal direction of the work tables 109 and 111 for the shafts and the A-axis. The upper clamp jaw 33 has a structure in which the wedge member 37 provided so as to be able to move forward and backward is moved into and out of the rear end portion to perform the opening / closing operation on the front end side. That is, the upper clamp jaw 35 is vertically moved around the pin 39 as a fulcrum. A clamp opening spring 41 is provided on the lower side of the wedge member 37 in FIG.

With the above construction, by operating the avoiding cylinder 7, the piston rod 9 is expanded and contracted in the vertical direction in FIG. 4, and the plate member 19 is moved in the same direction along the guide rail 15 via the moving member 11. To be done.
Then, the clamp base 25 is moved in the same direction. When the work W is moved, the clamp base 25 is retracted, and the work W is smoothly moved without interference.

When the floating cylinder 27 is operated, the piston rod 29 is vertically expanded and contracted, and the clamp base 25 is inserted through the plate member 31.
Is moved up and down. When the work W is moved, in an unclamped state, the clamp base 25 moves up and the work W is smoothly moved without interference.

Further, when the wedge member 37 is moved to the right in FIG. 5, the upper clamp jaw 33 is moved to the pin 3 position.
The work W is clamped by the upper clamp jaw 33 and the lower clamp jaw 35 by rotating clockwise with 9 as a fulcrum. Then, when the wedge member 37 is moved upward in FIG. 4 and left in FIG. 5,
The upper clamp jaw 33 is rotated counterclockwise about the pin 39 as a fulcrum by the urging force of the clamp opening spring 41, and the work W is unclamped from the upper clamp jaw 33 with respect to the lower clamp jaw 35. become.

Accordingly, the X-axis and A-axis carriages 113 and 115, which are provided so as to be movable in the workpiece conveying direction, are provided with the clamp base 25 protruding toward the punch block 127 which is the processing head, and the tip of the clamp base 25. In a direction that intersects the work transfer direction on the side
Further, since upper and lower clamp jaws 33 and 35 for clamping the work W are provided at positions projecting in the longitudinal center direction of the X-axis and A-axis work tables 109 and 111, the upper and lower clamp jaws 33 and 35 are provided. Clamp jaw 33,
It is possible to dig into the vicinity of the punch block 127, which is the processing head 35, and to grasp a short material having a length of 800 mm, for example, and to automatically transfer the work W from the X axis to the A axis. You can enable it.

The upper clamp jaw 33 is constructed such that the opening / closing operation on the front end side is performed by the wedge member 37, which is provided so as to be able to advance and retreat, entering and retracting with respect to the rear end portion. It can be easily clamped.

Further, when the work W is moved forward, the clamp base 25 can be separated from the centers of the work tables 109 and 111 for the X-axis and the A-axis in the longitudinal direction so as to be avoided from the work W. Further, since the clamp base 25 is vertically movable, when the work W is moved in the work transfer direction, the work can be carried smoothly without interference by raising the clamp base 25 above the pass line.

6 and 7 show another embodiment which replaces the work clamp devices 1 and 3 shown in FIGS. 6 and 7, work clamp devices 43 and 45 are provided on the X-axis and A-axis carriages 113 and 115, respectively. The work clamp devices 43 and 45 are structurally the same, only arranged symmetrically to each other. The work clamp devices 43 and 45 are provided with a proper number of first clamps 47 and 49 capable of clamping one side of the work W and a second clamp capable of clamping the other side of the work W. Clamp holders 55 and 57 supporting the clamps 51 and 53 are reciprocally movable toward and away from the first clamps 47 and 49 and horizontally rotatable. .

The X-axis and A-axis carriages 113 and 115
Clamp bases 59 and 61 approach the first clamps 47 and 49 by a moving mechanism (not shown).
The clamp bases 59, 61 are mounted so as to be reciprocally movable in the separating direction, and the rotation pins 63, 65 are provided at the supporting positions of the clamp bases 59, 61 on the die block 125 side in the X-axis and A-axis directions.
Is provided. The rotating pins 63 and 65 are provided with the rear portions of the clamp holders 55 and 57 so as to be horizontally rotatable. Rear portions of rotating cylinders 67, 69 are attached to the clamp bases 59, 61 via brackets 71, 73. And this rotation cylinder 6
Brackets 79 and 81 integrated with the rear portions of the clamp holders 55 and 57 are attached to the tip ends of piston rods 75 and 77 mounted on 7 and 69.

With the above structure, the rotating cylinders 67, 6
9 is operated and the piston rods 75 and 77 are expanded and contracted, so that the clamp holders 55 and 57 are horizontally arranged with the rotation pins 63 and 65 as fulcrums via the brackets 79 and 81. It will be rotated 90 degrees to the position indicated by the chain line.

Therefore, when the plate material is processed on the long work W, the X provided movably in the work conveying direction is used.
The work W clamp is performed by an appropriate number of first clamps 47 that can clamp one side of the work W provided on the shaft carriage 113 and a second clamp 51 that is horizontally rotated to the first clamp 47 side. Then, the X-axis carriage 113 is moved in the + or − direction of the X-axis direction, and the die block 125 and the punch block 127 are moved in the Y-axis direction. Then, a predetermined die D and punch P
The punch cylinder 129 is moved to and positioned in the U-axis direction and the V-axis direction to a position above, and then the punch cylinder 129 is actuated to strike the punch P with the striker 133 so that the work W can be moved to the required position. Punching will be performed.

When punching of the left half of the work W is completed, the work W is replaced by the first and second clamps 47 and 51 with the first and second clamps 49 and 53. Then, the A-axis carriage 115 is moved in the + or − direction of the A-axis direction, and the die block 125 and the punch block 127 are moved in the Y-axis direction. Then, the punch cylinder 129 is placed at a predetermined position above the die D and the punch P in the U-axis direction and V direction.
The striker 1 is moved by moving it axially for positioning, and then activating the punch cylinder 129.
The punch P can be hit with 33 to perform punching at a required position on the right half of the work W.

Further, when the plate material is processed on the short work W, the clamp holders 55 and 57 supporting the second clamps 51 and 53 are moved toward and away from the first clamps 47 and 49. Move and move block 12
The other side of the work is clamped by the second clamps 51 and 53 by horizontally rotating the second clamps 51 and 53 so as to face the 5 side. In the same manner as described above, for the short work W, after the left half has been processed by the second clamp 51, the workpiece W can be held by the second clamp 53 and the right half of the plate material can be processed.

The present invention is not limited to the above-described embodiment, but can be implemented in other modes by making appropriate changes.

[0046]

As can be understood from the above description of the embodiments of the invention, according to the invention of claim 1, the carriage provided so as to be movable in the workpiece conveying direction is projected toward the machining head side. A clamp base is provided, and an upper and lower clamp base for clamping the work is provided at a tip end side of the clamp base in a direction intersecting with the work transfer direction and at a position projecting toward the center of the work table in the longitudinal direction. Since the clamp jaws are provided, the short jaws can be grabbed and the upper and lower clamp jaws can be pushed close to the machining head. It is possible to automatically pass a short workpiece from the X axis to the A axis. can do.

According to the second aspect of the present invention, the upper clamp jaw has a structure in which the front end side opening / closing operation is performed by the wedge member, which is provided so as to be able to move forward and backward, to enter and retract with respect to the rear end portion. Therefore, the work can be easily and easily clamped.

According to the third aspect of the present invention, the clamp base can be moved away from the work by moving the clamp base away from the center of the work table in the longitudinal direction when the work advances.

According to the invention of claim 4, since the clamp base is movable up and down, when the work is moved in the work transfer direction, the clamp base is raised above the pass line so as not to interfere smoothly. It can be transported.

According to the fifth aspect of the present invention, in the case of processing a plate material on a long work piece, it is possible to clamp one side of the work piece provided on a carriage movably provided in the work transfer direction. The workpiece can be clamped by a number of first clamps and a second clamp that is horizontally rotated to the first clamp side, and plate material processing can be performed on the long workpiece.
In addition, when performing plate material processing on a short work piece,
The clamp holder supporting the clamp is moved toward and away from the first clamp, and the second clamp is horizontally rotated so as to face the machining head side. By clamping the sides, it is possible to perform plate material processing on short workpieces.

According to the invention of claim 6, in this case as well,
Similarly to the fifth aspect, when plate processing is performed on a long work, a suitable number of first sides capable of clamping one side of the work provided on a carriage provided movably in the work transport direction. The work can be clamped by the clamp and the second clamp that is horizontally rotated to the first clamp side, and the plate work can be performed on the long work. Further, when plate material processing is performed on a short work, the clamp holder supporting the second clamp is moved toward and away from the first clamp, and the second holder is moved toward the processing head side.
By horizontally rotating the clamp, the other side of the work can be clamped by the second clamp, and the plate work can be performed on the short work.

[Brief description of drawings]

FIG. 1 is a plan view showing a work clamp device portion in a plate material processing apparatus.

FIG. 2 is a front view of FIG.

FIG. 3 is a front view of a work clamp device.

FIG. 4 is a plan view of FIG.

5 is a cross-sectional view taken along line VV in FIG.

FIG. 6 is a plan view showing a work clamp device portion in a plate material processing apparatus according to another embodiment.

FIG. 7 is a front view of FIG.

FIG. 8 is a perspective view of a conventional plate material processing apparatus.

9 is a plan view of FIG.

[Explanation of symbols]

1,3 Work clamp device 5 Clamp holder 7 Avoidance cylinder 11 Moving member 25 clamp base 27 Floating cylinder 33 Upper clamp jaw 35 Upper clamp jaw 37 Wedge member 39 pin 41 Clamp open cylinder 43, 45 Work clamp device 47,49 1st clamp 51, 53 Second clamp 55, 57 Clamp holder 59, 61 Clamp base 63, 65 rotating pin 67, 69 Rotating cylinder 109 X-axis work table 111 A axis work table 113 X-axis carriage 115 A-axis carriage 125 die blocks 127 punch block 129 punch cylinder 133 striker

Claims (6)

[Claims] 1. A structure in which a work table capable of transporting a work in one direction is provided, and a processing head for processing the work is provided so as to be reciprocally movable in a horizontal direction intersecting the work transport direction. In the plate material processing apparatus, the carriage provided movably in the work transfer direction is provided with a clamp base protruding toward the processing head, and the tip side of the clamp base is in a direction intersecting the work transfer direction. Further, a plate material processing apparatus comprising upper and lower clamp jaws for clamping the work at positions projecting toward the center of the work table in the longitudinal direction. 2. The upper clamp jaw is configured such that the opening / closing operation on the front end side is performed by a wedge member that is provided so as to be able to move forward and backward to enter and retract with respect to the rear end portion. The plate material processing device described. 3. The plate material processing apparatus according to claim 1, wherein the clamp base is movable in a direction in which the clamp base moves toward and away from the center of the work table in the longitudinal direction. 4. The plate material processing apparatus according to claim 1, wherein the clamp base is vertically movable. 5. A structure in which a work table capable of transporting a work in one direction is provided, and a processing head for processing the work is provided so as to be reciprocally movable in a horizontal direction intersecting the work transport direction. In the plate material processing apparatus, the carriage provided so as to be movable in the workpiece conveying direction is provided with an appropriate number of first clamps that can clamp one side of the workpiece and the other side of the workpiece can be clamped. The clamp holder that supports the second clamp,
A plate material processing apparatus, wherein the plate material processing apparatus is provided so as to be reciprocally movable toward and away from the first clamp and horizontally rotatable. 6. A clamp base is provided on the carriage so as to be movable in a direction of approaching and separating from the first clamp, and the second clamp is attached to a clamp holder supported by the clamp base so as to be horizontally rotatable. The plate material processing apparatus according to claim 5, wherein the plate holder is provided and a supporting position of the clamp holder with respect to the clamp base is arranged at a position on the processing head side of the clamp base.