JPH1128528A - Method for carrying-in work in punching press and device therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange for being suitable for carrying-in a long sized work in a coil stock line capable of space saving and making improvement in tact time. SOLUTION: While the work carried into the work table 35 of a punching press 1 is carried-in in the direction of an X-axis by shifting the work table 35 in the direction of the X-axis, a pusher 91 narrowing the width is made to travel in the direction of a Y-axis and then the work is positioned by pusher rollers 89 mounted on the pusher 91 narrowing the width and is made to knock against a positioning member 85 for the X-axis and a positioning member 87 for the Y-axis.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for loading a work in a punch press for transferring a work to a punching section of the punch press.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6, a frame 101 in a punch press is provided upright, and a brush table 103 as a work table is provided on the frame 101. In order to carry in the work W to be processed on the brush table 103,
Work loading device 105 adjacent to brush table 103
Is arranged.

The work loading device 105 is provided with an upright hydraulic lifter 107.
A pallet P on which a workpiece W to be processed is loaded is provided on 07. Above the hydraulic lifter 107, a loader rail 109 extending in the left-right direction in FIG. 6 is provided, and the loader rail 109 is provided with a loader 111 movable in the left-right direction. The loader 111 is a loader frame 113 that can be moved in the left-right direction.
The loader frame 113 is provided with a vertically movable suction pad 115.

With the above-described configuration, the loader 111 is positioned above the hydraulic lifter 107, and the suction pad 115 is lowered so that one work W made of, for example, a fixed-size material or a sketch material loaded on the hydraulic lifter 107 is placed. Adsorb and raise. Next, the loader 111 is moved to the loader rail 10.
6 while moving to the left in FIG. 6 while being guided by the brush 9, stop when reaching above the brush table 103, and further lower and release the suction pad 115, and the work W is transferred onto the brush table 103.

Next, as shown in FIG. 7, the work W transferred onto the brush table 103 is sucked by a plurality of vacuum pads 117 built under the brush table 103 of the punch press. Each of the vacuum pads 117 moves as indicated by an arrow, and the work W
After the abutment against the axis locate pin 119 and the Y axis locate pin 121, the vacuum pad 117 is released, so that the workpiece W is positioned at the origin.

[0006]

By the way, in the above-described conventional work loading device 105, the work W can be used for a fixed-length material and a sketch material, but when the work W is a coil material line or a long material, the structure is as follows. There is a problem that does not hold.

Also, for example, a work carrying device 105 for adsorbing a long material having a length of 4 m or more by a suction pad 115 and carrying it in.
Becomes a big deal. For example, when the work W of about 1 m is mixed, the over specification occurs.

When the work W is taken out from the coil material, the work W must be cut once in the form of external setup, and then newly carried into the brush table 103 by the work carry-in device 105. And the occupied area also increases.

An object of the present invention is to provide a method and an apparatus for loading a work in a punch press, which is suitable for loading a coil material line and a long work, and which can save space and increase tact time.

[0010]

According to a first aspect of the present invention, there is provided a method for carrying a work in a punch press according to the present invention, comprising: moving a work carried into a work table in a punch press in the X-axis direction of the work table; While moving in the X-axis direction by traveling movement to the X-axis direction, the width-adjusting pusher is moved in the Y-axis direction, and the work is positioned by the pusher roller provided on the width-adjusting pusher. It is characterized in that it abuts against a positioning member.

According to a second aspect of the present invention, there is provided an apparatus for carrying a work in a punch press according to the present invention, in which a work carried into a work table in the punch press is carried in such a way as to abut against an X-axis positioning member and a Y-axis positioning member. A work loading device for a punch press, comprising: a work table on which the work is placed and the work is moved in the X-axis direction; and a width-adjusting pusher provided with a pusher roller and movable in the Y-axis direction. It is characterized by having.

Therefore, in the method and the apparatus for carrying a work in the punch press according to the first and second aspects, for example, after the coil material in the coil material line is cut into a desired length, the work is carried into the work table of the punch press. A long work is carried into the work table.
The work carried into the work table is carried in the X-axis direction by the traveling movement of the work table in the X-axis direction. Also, by moving the pusher in the Y-axis direction, the pusher roller provided in the pusher pushes the side of the work and performs the action of X-axis feed, and the work abuts against the X-axis positioning member and the Y-axis positioning member. And the origin is positioned.

Thus, the present invention can be easily applied to the transfer of a coil material line or a long material work. In addition, the worktable can be moved in the X-axis direction, and the work table can be moved only in the Y-axis direction. Tact up is planned.

According to a third aspect of the present invention, there is provided a work loading device for a punch press according to the second aspect of the present invention, wherein the biasing means for constantly biasing the pusher roller toward the workpiece is provided by the pusher of the width shifting pusher. It is characterized by being provided on a main body frame.

Therefore, the biasing means for constantly biasing the pusher roller toward the work side is provided on the body frame of the width-adjusting pusher, so that errors in the work width method can be absorbed, and when the pusher roller hits the Y-axis positioning member. Is generated.

According to a fourth aspect of the present invention, there is provided a work loading device for a punch press according to the present invention, wherein the work table is a brush table.

Therefore, by using a brush table as the work table, scratches generated on the back surface of the work can be prevented.

According to a fifth aspect of the present invention, there is provided the work loading device according to the second aspect, wherein a shearing machine is provided on the work loading side of the work table.

Therefore, for example, a work wound on an uncoiler is pulled out, cut into an appropriate length by a shearing machine, and carried into a work table, for example, as a long piece.

[0020]

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

Referring to FIG. 1 and FIG. 2, the punch press 1 has an upright portal-shaped main body frame 3, and this main body frame 3 is composed of a lower frame 5 and an upper frame 7 formed of side frames ( (Not shown). A plurality of dies D, a die block 9 having a punch P mounted thereon, and a punch block 11 are opposed to each other on the lower frame 5 and the upper frame 7, and are movable in the Y-axis direction (vertical direction in FIG. 1). It is provided in.

The die block 9 and the punch block 11
Are integrated with nut members 13 and 15, and Y-axis ball screws 17 and 19 extending in the Y-axis direction are screwed to the nut members 13 and 15. The lower ends of the Y-axis ball screws 17 and 19 in FIG. 1 are rotatably supported by bearings 21 and 23, and the upper ends of the Y-axis ball screws 17 and 19 in FIG.
5, 27.

With the above configuration, the Y-axis drive motor 25,
When the 27 is driven, the Y-axis ball screws 17 and 19 are rotated, so that the die block 9 and the punch block 11 are moved in the Y-axis direction via the nut members 13 and 15. The Y-axis drive motors 25 and 27 are driven synchronously, and the die block 9 and the punch block 11 are moved synchronously. If a synchronizing transmission member such as a pulley or a belt is provided, the die block 9 and the punch block 1
1 can be moved synchronously.

A ram cylinder 29 for pressing the punch P via a ram (not shown) is provided above the punch block 11.
Moves in the U-axis direction (the same direction as the X-axis direction) and the V-axis direction (the same direction as the Y-axis direction) on a punch block frame (not shown) in order to select a punch P in the punch block 11 and can be positioned freely. Is provided. For example, the ram cylinder 29 is rotated by a U-axis drive motor.
It is configured to be moved and positioned by an axis ball screw and a V-axis ball screw that is rotationally driven by a V-axis drive motor.

With the above configuration, the ram cylinder 29 is moved and positioned in the U-axis and V-axis directions at the upper position where the desired punch P has been positioned. When the desired punch P is hit through the workpiece W, punching is performed on the work W in cooperation with the punch P and the die D.

Table frames 31, 33 are erected on the front and rear sides (left and right sides in FIG. 1) of the main body frame 3, and brush tables 35, 37 as work tables are provided on the table frames 31, 33. It is provided extending in the X-axis direction. This brush table 35, 3
7 is provided with X-axis carriages 41 and 43 provided with a work clamper 39 for clamping the work W, and an X-axis guide rail 45 is provided in the lower part of the table frames 31 and 33 in FIG. Have been.

Ball screws 47, 49 extending in the X-axis direction are provided above the table frames 31, 33. One end and the other end of the ball screws 47, 49 are supported by bearings 51, 53. The other ends and one ends of the ball screws 47 and 49 are connected to X-axis drive motors 55 and 57. Further, the X-axis carriages 41, 43 are screwed to the ball screws 47, 49, respectively.

With the above configuration, the X-axis drive motors 55, 5
7 is driven, the ball screws 47 and 49 are rotated, so that the X-axis carriages 41 and 43 respectively
Since the work clamper 39 is moved while being guided by the shaft guide rail 45, the work clamper 39 is also moved in the same direction.

The brush table 35 will be described in more detail. Note that the brush table 35 is the same as the brush table 33, and a description thereof will be omitted.

Referring to FIGS. 2 and 3, the brush table 35 has a conveyor chain 6 having a large number of brushes 59 implanted on its surface in order to support the work W without damaging it.
The conveyor chain 61 is wound around a driving conveyor sprocket 63 and a number of driven conveyor sprockets 65 endlessly supported by the table frame 31. A drive motor 67 is connected to the drive conveyor sprocket 63.

When the driving motor 67 is driven by the above configuration, the driving conveyor sprocket 63 is rotated. Therefore, the conveyor chain 61 is run and rotated as indicated by the arrow in FIG. The moved work W is moved to the left in FIG.

Referring again to FIGS. 1 and 2, on the near side (upper side in FIG. 4 and right side in FIG. 5) of the brush table 35, a work W to be fed to the conveyor belt 61 of the brush table 35 is provided. An uncoiler 69 provided in a coil shape is provided.
And a leveler 73 provided with a roller 71 such as a straightening roll between the brush table 35 and a feed roller 7 for feeding the work W onto a number of brushes 63 of the conveyor chain 61.
5 and a shearing machine 81 that shears the workpiece W in cooperation with the upper blade 79 and the lower blade 77. The upper blade 79 is moved up and down by a hydraulic cylinder 83.

An X-axis locating pin 85 as an X-axis positioning member and a Y-axis locating pin 87 as a Y-axis positioning member are provided in the vicinity of the main body frame 3 on the table frame 31 so as to be able to protrude and retract from the pass line by a cylinder or the like. Have been. The table frame 3
1, a plurality of pusher rollers 89 are provided on the upper side.
Width-adjusting pusher 91 that is movable in the Y-axis direction is provided.

More specifically, referring to FIG. 4 and FIG. 5, the width adjusting pusher 91 is attached to the table frame 3.
A plurality of guide rails 93 extending in the Y-axis direction are provided, and each of the guide rails 93 is provided with a main body frame 97 via a plurality of guide members 95. A plurality of pusher rollers 89 are rotatably supported at appropriate ends in the X-axis direction via brackets 99 at the front end (the lower end in FIG. 4 and the left end in FIG. 5) of the main body frame 97. Moreover, the bracket 99 provided with each pusher roller 89 is provided with a spring 1 provided as a biasing means provided on the main body frame 97.
It is always urged to the left in FIG. A plurality of chain clamp members 103 are provided at the right end of the main body frame 97 in FIG.

A driving device 105 for moving the main frame 97 in the Y-axis direction is provided. That is, Y
A plurality of sprockets 107, 10 at appropriate intervals in the axial direction
9 is provided, and a chain 111 is wound around each of the sprockets 107 and 109. This each chain 1
11, the chain clamp member 103 is clamped.

A shaft 113 extending in the X-axis direction is mounted on the sprocket 109. The shaft 113 is rotatably supported by a plurality of bearings 115, and a drive motor 117 is connected to the right end of the shaft 113 in FIG.

With the above configuration, when the drive motor 117 is driven, the shaft 113 is rotated and the sprocket 109 is rotated. The rotation of each sprocket 109 causes the chain 111 to move leftward in FIG. 5 in the Y-axis direction, so that the main body frame 97 is guided by the guide rail 93 via the chain clamp member 103 and moves leftward in FIG. Be moved. This body frame 97
4, the pusher roller 89 pushes the carried work W downward as shown in FIG. 4, and the rotational force of the pusher roller 89 causes the work W to be fed in the X-axis direction.

Therefore, the uncoiler 6 is made of a coil material.
The work W sent out by 9 is cut to a required length by cooperation of the upper blade 77 and the lower blade 79 of the shearing machine 81. Then, the cut work W is carried into the X-axis locate pin 85 by the brush table 35.
The main body frame 97 of the width-adjusting pusher 91 is moved downward in FIG. 4 in the Y-axis direction until the work W is hit against the X-axis locating pin 85, and the pusher roller 89 pushes the side of the work W and pushes the X-axis. When the feed in the axial direction is given, the work W is abutted against the X-axis locate pin 85 and the Y-axis locate pin 87 to be positioned at the origin. When the work W is hit against the Y-axis locate pin 87, the pusher roller 89
Since the work W is floated from the body frame 97, the work W absorbs an error in the dimension of the work W in the width direction and generates a striking force when the work W strikes the Y-axis locating pin 87.

After the carried-in work W is abutted against the X-axis locate pin 85 and the Y-axis locate pin 87 and positioned at the origin, the work W is clamped by the work clamper 39, and then the X-axis locate pin 85 and the Y-axis locate pin. When the X-axis carriage 41 is moved to the left in FIG. 1, the work W is punched by the cooperation of the punch P and the die D.

Since the work W cut from the coil material is loaded and carried on the brush table 35, the work W can be carried in a plane.
It can also handle coil material lines. In addition, since the push-in roller 89 of the width-adjusting pusher 91 can be brought into contact with the Y-axis locating pin 87 while being carried in by the brush table 35, the carry-in tact can be shortened, the tact is increased, and the space can be saved. it can. By using the brush table 35 as the work table, it is possible to prevent the back surface of the work W from being damaged. The work W is applicable not only to the coil material line but also to a long work W.

The present invention is not limited to the above-described embodiment, but can be embodied in other modes by making appropriate changes. Although the brush table 35 is used as the work table, a free bear table may be used. The drive motor 117, the sprocket 107,
Although the description has been made using the chain 109 and the chain 111, a driving means using an air cylinder such as a rodless type, a pulley,
It may be a timing belt or the like. The speed at the time of contact with the workpiece W may be adjusted by a speed controller instead of a spring.

[0042]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As will be understood from the above embodiments of the present invention, according to the first and second aspects of the present invention, for example, after a coil material of a coil material line is cut to a desired length. , Carried into the work table of the punch press,
A long work is carried into the work table. The work carried into the work table is carried in the X-axis direction by the traveling movement of the work table in the X-axis direction. Further, the work is moved in the Y-axis direction by pressing the side of the work with the pusher roller provided in the work-in pusher, and the work of X-axis feed is performed.
Origin positioning is performed by abutting the shaft positioning member and the Y-axis positioning member.

Thus, the present invention can be easily applied to the transfer of a coil material line or a long workpiece. Moreover, the worktable can be moved in the X-axis direction,
Since only a width pusher provided with a pusher roller movable in the Y-axis direction is provided on one side of the work table, space can be saved and tact time can be increased.

According to the third aspect of the present invention, the biasing means for constantly biasing the pusher roller toward the work is provided on the body frame of the pusher, so that the error in the work width method can be absorbed. Further, it is possible to generate a striking force when striking the Y-axis positioning member.

According to the fourth aspect of the present invention, since the work table is a brush table, it is possible to prevent scratches generated on the back surface of the work.

According to the fifth aspect of the present invention, for example, a work wound on an uncoiler is pulled out, cut into an appropriate length by a shearing machine, and carried into a work table, for example, as a long one.

Thus, for example, a work wound on an uncoiler can be cut into an appropriate length, and a long work can be easily carried into a work table.

[Brief description of the drawings]

FIG. 1 is a plan view of a punch press embodying the present invention.

FIG. 2 is an enlarged front view of a portion viewed in the direction of arrow II in FIG.

FIG. 3 is an enlarged view of a part viewed from an arrow III in FIG. 2;

FIG. 4 is an enlarged view of a part viewed from an arrow IV in FIG. 1;

FIG. 5 is a side view of FIG.

FIG. 6 is a front view of a conventional work loading device for loading a work into a work table.

FIG. 7 is a plan view of a conventional work for carrying in an original work.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Punch press 3 Main frame 31, 33, Table frame 35, 37 Brush table (Work table) 39 Work clamper 41, 43 X-axis carriage 59 Brush 69 Uncoiler 77 Upper blade 79 Lower blade 85 X-axis locating pin (X-axis positioning member) 87 Y-axis locate pin (Y-axis positioning member) 89 Pusher roller 91 Width pusher 97 Body frame 101 Spring (biasing means)

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI B30B 15/30 108 B30B 15/30 108

Claims (5)

[Claims] 1. A work which has been carried into a work table in a punch press is moved in the X-axis direction by moving the work table in the X-axis direction, and the width-adjusting pusher is moved in the Y-axis direction to move the work table. A work carrying method in a punch press, wherein a work is positioned by a pusher roller provided in a pusher and the work is abutted against an X-axis positioning member and a Y-axis positioning member. 2. A work loading device for a punch press, wherein a work carried into a work table in a punch press is brought into contact with an X-axis positioning member and a Y-axis positioning member. A work loading device for a punch press, comprising: a work table that is placed and moves a work in the X-axis direction; and a width-adjusting pusher having a pusher roller that is movable in the Y-axis direction. 3. The apparatus according to claim 2, wherein a biasing means for constantly biasing the pusher roller toward the workpiece is provided on a main body frame of the width approach pusher. 4. The apparatus according to claim 2, wherein said work table is a brush table. 5. The work loading device according to claim 2, further comprising a shearing machine on a work loading side of the work table.