JP2564215Y2 - Turret punch press - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a turret punch press for punching a work.

[0002]

2. Description of the Related Art As a prior art of a conventional turret punch press, there is one disclosed in JP-A-63-52949. That is, a rotatable upper turret provided with a plurality of punches is provided at an upper portion of the frame, and a rotatable lower turret provided with a plurality of dies is provided at a lower portion of the frame so as to face the upper turret vertically. is there. At an upper position of the upper turret, a striker for pressing a predetermined punch from above is provided so as to be able to move up and down. A fixed center table is fixedly provided on the front side of the lower turret in the lower part of the frame, and a pair of movable side tables are provided on the left and right sides of the fixed center table in the lower part of the frame so as to be movable in the front-rear direction. . A carriage base extending in the left-right direction is provided on the pair of movable side tables, and a carriage provided with a work clamp for clamping an end of the work is provided on the carriage base so as to be movable in the left-right direction.

At the left and right central portions on the front side of the turret, there is provided a joint cutting device for cutting a joint of a microjoined work to separate a product from the work. In addition, a square notch is provided in the front center of the fixed center table, and a work shooter for carrying out the product is provided in the notch. The work shooter is configured to be vertically swingable with respect to a swing center on the front end side.

[0004] Therefore, after performing micro-joint processing on the work (performing punching processing on the outer shape of a part corresponding to the product in the work while leaving the joint portion), the work of the work is cut by a joint cutting device. Cut the joint to separate the product from the workpiece. Then, the product is carried out from the fixed center table by swinging the work shooter downward with reference to the swing center on the front end side.

[0005]

As described above, in the conventional turret punch press, the joint cutting device is provided at the left and right central portions on the front side of the turret, and the work shooter is provided at the notch provided on the fixed center table. Although the product can be carried out from the fixed center table even if the work shooter is swung downward with reference to the swing center on the front end side,
The product cannot be removed from the turret punch press. Therefore, in order to take out the product from the turret punch press, it is necessary to further provide a belt conveyor device extending in the front-rear direction between the fixed center table and the lower portion of the frame, and the number of components of the turret punch press increases. There is a problem that the configuration of the turret punch press itself becomes complicated.

[0006]

As described above, in order to solve the conventional problems, in the present invention, a rotatable upper turret having a plurality of punches is provided at an upper portion of a frame, and a lower portion of the frame is provided at a lower portion of the frame. A rotatable lower turret having a plurality of dies is vertically provided on the upper turret, and a striker for pressing a predetermined punch from above is provided above the upper turret, and a lower turret in a lower portion of the frame is provided. A fixed center table is fixedly provided on the front side of the fixed center table, and a pair of movable side tables are provided on the left and right sides of the fixed center table at the lower part of the frame so as to be movable in the front-rear direction. A carriage base is provided, and the carriage base is provided with a work clamp for clamping an end of a work. The Tsu di movably disposed to the left and right direction,
On one of the left side and the right side on the front side of the turret, there is provided a joint part cutting device for cutting a joint part of a work subjected to micro-joint processing and separating a product from the work, and a pair of moving sides. A square notch is formed in the center of the other of the left side and the right side of the movable side table close to the joint cutting device of the table, and the product is carried out into the notch. The work shooter is provided, and the work shooter is moved between the substantially horizontal position and the inclined position where one end of the left end and the right end of the work shooter is lower than the other end. It is characterized in that it is configured to be able to swing vertically with reference to the swing center at the other end.

[0007]

According to the above construction, the upper turret and the lower turret are rotated to position a predetermined punch and a predetermined die vertically below (just below) the striker. Further, while the end of the work is clamped by the work clamp, the carriage base is moved in the front-rear direction integrally with the pair of moving side tables, and the carriage is moved in the left-right direction, whereby the turret is moved. Position with respect to Then, by pressing a predetermined punch from above with a striker, the work can be punched.

By appropriately repeating the above operation,
Punching (microjoining) can be performed on the outer shape of the part corresponding to the product in the work while leaving the joint portion.

After micro-joining the work, the joint of the work is cut by a joint cutting device to separate the product from the work.
At this time, the product is located on the work shooter. Then, the work shooter is swung downward with reference to the swing center of the other end portion of the left end side and the right end side, so as to be positioned from the horizontal position to the inclined position. Thereby, the product can be immediately carried out of the turret punch press from the work shooter.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings.

Referring to FIGS. 5 and 6, a rotatable upper turret 7 and a lower turret 9 are supported by a drive device (not shown) on the upper reflex 3 and the lower frame 5 of the turret punch press 1, respectively. .
On the circumference of the upper turret 7 and the lower turret 9, various types of pairs of punches 11 and dies 13 are formed.
Is installed.

The upper frame 3 is provided with a striker 15 which can be moved up and down by a drive device not shown in FIG. 5, and the upper turret 7 and the lower turret 9 are simultaneously placed at a processing position directly below the striker 15. The punch 11 and the die 13 in a desired pair are positioned by being rotationally driven.

The punch 11 is made to cooperate with the die 13,
A fixed center table 19 is provided in front of (in a lower part of FIG. 6) a punching section 17 for punching a plate-like work (not shown). The fixed center table 19
(The left side in FIG. 6) is provided with a carry-in side movable side table 21. An unloading-side movable side table 23 is provided on the side (the right side in FIG. 6) of the fixed center table 19. In addition, a plurality of free bearings are appropriately provided on the upper surface of each of the above tables to support a moving workpiece.

A carriage base 25 is provided in front (below in FIG. 6) of the fixed center table 19, the loading side moving side table 21 and the unloading side moving side table 23. This carriage base 25 is
The lower frame 5 is integrated with the loading side moving side table 21 and the unloading side moving side table 23.
The upper rail 27 and the LM guide 29 are provided so as to be slidable in the Y-axis direction (vertical direction in FIG. 6) which is the front-rear direction, and are driven in the front-rear direction by the feed screw 31 and the servomotor 33. Has become.

On the other hand, a carriage 35 is mounted on the carriage base 25 so as to be movable in the X-axis direction (left-right direction in FIG. 6). This carriage 3
5 is driven in the left-right direction by a feed screw 37 and a servomotor 39. Further, a plurality of, for example, two work clamps 41 for clamping the work W are attached to the punching section 17 side of the carriage 35.

With the above configuration, when the servo motor 39 is driven, the carriage 35 is controlled to move in the X-axis direction via the feed screw 37. Since the work clamp 41 is attached to the carriage 35, the work clamp 4
The work W (not shown) gripped by 1 is controlled to move in the X-axis direction. At this time, the work W is supported and moved while rolling the free bearings on the upper surfaces of the fixed center table 19 and the loading and unloading side moving side tables 21 and 23.

When the servo motor 33 is driven and controlled,
The carriage base 25 and the integrated transfer-side moving side table 21 and transfer-side moving side table 23 are moved in the Y-axis direction via the feed screw 31. At this time, the work W moves while rolling the free bearings on the upper surface of the fixed center table 19, but is not rolled because the free bearings on the upper surfaces of the movable side tables 21 and 23 do not move relative to each other. .

The work W is gripped by the work clamp 41, and the movement of the work W is controlled in the X-axis and Y-axis directions, so that the desired position of the work W is positioned at the processing position directly below the striker 15, and Punching is performed by cooperation with the desired punch 11 and die 13 which are rotationally indexed.

In the lower part of the upper frame 3 on both left and right sides in FIG. 5, a plate holding device 43 and a plate holding / cutting punch 45 are provided.
Is attached. Therefore, when punching the work W, the work W is pressed by the plate holding device 43 and the plate holding / cutting punch 45 to prevent the movement of the work W, and then the punching is performed.

The cutting process for separating a large number of pieces from the workpiece W is performed by a joint cutting device 47 in which the plate presser / cutting punch 45 is attached to the upper frame 3.

As shown in FIG. 3, a plate holder and cutting punch 45 in the joint cutting device 47 has a punch holder 49 suspended from the upper frame 3 and a hollow through a coil spring 51 having low rigidity. Cylindrical punch guide 5
3 is provided to be vertically movable. This punch guide 5
A punch 57 is provided inside the unit 3 via a highly rigid coil spring 55 so as to be vertically movable.

Immediately above the punch 57, a ram cylinder 59
Are provided on the upper frame 3, and a die holder 62 having a die 61 is provided on the lower frame 5 directly below the punch 57.

According to the above configuration, low-pressure oil is supplied to the ram cylinder 59, and the coil spring 51 is bent and the work W
However, the workpiece W is pressed by the bottom surface of the punch guide 53 as shown in FIG. 3, and the work W is pressed by a joint A, B or C of a small multi-piece product as shown in FIG.

In this state, when high-pressure oil is supplied to the ram cylinder 59, the coil spring 55 also bends and the punch 57 descends, thereby separating the joint of the work W.
The separated small product is sent to the unloading side movable side table 23 provided on the side of the joint cutting device 47. Then, it is slid down from a side shooter 63 described later and carried out.

Accordingly, the work W is subjected to a punching process by the cooperation of the punch 11 and the die 13 in the punching portion 17, and the punch 57 and the die 57 are jointed by the joint cutting device 47 arranged on the side of the punching portion 17. By the cooperation of 61, the cutting process for separating the small-sized multi-piece products is performed.

Since the punching and the cutting can be performed continuously without changing the workpiece W, a high-precision processed product can be obtained.

As shown in FIG. 6, the side shooter 63 for sliding the separated small products down and carrying them out is located near the fixed center table 19 of the carrying-out side moving side table 23 and at the center in the front-rear direction. It is provided in.

As shown in FIG. 1 and FIG. 2, the side shooter 63 has
3 The first hinge pin 6 supported by the first bracket 65 provided at the front and rear near the fixed center table 19 below.
7, and is supported swingably downward.

On the other hand, the second bracket 6 is moved rightward by the bracket 65 below the unloading side moving side table 23.
9 is fixed. A right triangular link plate 73 pivotally supported by the second hinge pin 71 supported by the second bracket 69 and swinging downward is provided.

In order to swing the link plate 73, a third hinge pin 77 supported by a third bracket 75 provided on the lower portion of the unloading-side movable side plate 23 and further to the right of the second bracket 69 is provided. A fluid pressure cylinder 81 provided with a piston rod 81P attached to both ends of a pin joint supported by a fourth hinge pin 79 provided at the lower end of the link plate 73 is provided.

Further, a horizontal elongated hole 83 is provided at the left end of the link plate 73 so that the fifth hinge pin 85 slides inside. The fifth hinge pin 85 is also supported by an opening / closing bracket 87 which is provided near the center of the lower portion of the side shooter 63.

Incidentally, as shown in FIG.
Is vertically attached to the carry-out side moving side table 23, and when the tip is brought into contact with the upper surface of the link plate 73 to extend the piston rod 81P of the hydraulic cylinder 81, the upper surface of the side shooter 63 becomes horizontal. It has been adjusted to be. When the side shooter 63 is in a horizontal state, it functions to support the work W like other tables, so that an appropriate number of free bearings are mounted on the upper surface. The link device 91 is composed of components 69 to 87.

In the above configuration, when the hydraulic cylinder 81 is operated to contract the piston rod 81P, the link plate 73 swings counterclockwise in FIG. 1 around the second hinge pin 71.
Is moved downward while sliding in the elongated hole 83. Therefore, the opening / closing bracket 87 is also pulled downward. Therefore, the side shooter 63 is swung to the right with the first hinge pin 67 as a fulcrum and opened, so that the product can slide down and be carried out.

As described above, since the operation mechanism of the side shooter 63 is simple and lightweight, the carry-in side moving side table 21 and the carriage base 25 which are integral with the carry-out side moving side table 23 move in the Y-axis direction. Does not cause vibration. Therefore, the work W is not displaced from the work clamp 41 due to the vibration and does not adversely affect the processing accuracy.

Further, even when a large number of small products are punched out from the work W as shown in FIG. 4, the punching is performed with the one clamp and then cut one after another by the plate holding / cutting punch 45 and carried out from the side shooter 63. Efficient, space-saving, and good processing accuracy can be maintained. Furthermore, the size of the product is not limited because the side shooter 63 can be made sufficiently large.

Next, the configuration of the invention of this embodiment is summarized as follows.

That is, a plurality of punches 11
And a lower rotatable turret 9 having a plurality of dies 13 on the lower frame 5.
Is provided vertically on the upper turret 7, and a striker 15 for pressing a predetermined punch 11 from above is provided at a position above the upper turret 7 so as to be able to move up and down, and the front side of the lower turret 9 in the lower frame 5 (in FIG. 5). Fixed center table 1 on the front side (lower side in FIG. 6)
9 is fixedly provided, and left and right of the fixed center table 19 in the lower frame 5 (right and left in FIGS. 5 and 6).
A pair of movable side tables 21 and 23 are provided on both sides so as to be movable in the front-rear direction. A pair of movable side tables 21 and 23 is provided with a carriage base 25 extending in the left-right direction. 35 provided with work clamp 41 for clamping
Are provided so as to be movable in the left-right direction, and a joint portion (for example, A, B, and
C) is provided with a joint cutting device 47 for cutting the product and separating the product from the work W. The joint is cut at the left center of the movable side table 23 of the pair of movable side tables 21 and 23 which is close to the joint cutting device 47. ,
A rectangular cutout is formed, and a work shooter 63 for carrying out the product is provided in the cutout. Between a substantially horizontal position and an inclined position where the right end of the work shooter 63 is lower than the left end, It is characterized in that the work shooter 63 is configured to be vertically swingable with reference to the swing center on the left end side.

The operation of the present embodiment is summarized as follows.

That is, by rotating the upper turret 7 and the lower turret 9, a predetermined punch 11 and a predetermined die 13 are rotated.
Is positioned vertically below (just below) the striker 15.
While the end of the work W is clamped by the work clamp 41, the carriage base 25 is moved in the front-back direction integrally with the pair of moving side tables 21 and 23, and the carriage 35 is moved in the left-right direction. Thereby, the workpiece W is positioned with respect to the turrets 7 and 9. Then, a predetermined punch 11 is pressed from above by the striker 15 to perform a punching process on the workpiece W.

By appropriately repeating the above operation,
Punching (microjoining) can be performed on the outer portion of the portion corresponding to the product in the work W while leaving the joint portion.

After micro-joint processing is performed on the work W, the joint portion of the work W is cut by the joint cutting device 47 to separate the product from the work W. At this time, the product is located on the work shooter 63. Then, the work shooter 63 is swung downward with reference to the left swing center, so as to be positioned from the horizontal position to the inclined position. Thus, the product can be carried out of the work shooter 63 and immediately taken out.

As described above, according to the invention of this embodiment,
Since the joint cutting device 47 is provided on the right side on the front side of the turrets 7 and 9 and the work shooter 63 is provided in a cutout formed in the center portion on the left side of the movable side table 23, a conveyor device can be used. Instead, the product can be carried out of the work shooter 63 to the outside of the turret punch press 1 and immediately taken out.
Can be simplified.

[0043]

According to the first aspect of the present invention, the joint cutting device is provided on one of the left side and the right side on the front side of the turret, and the work shooter is located close to the joint cutting device. The product is carried out of the work shooter to the outside of the turret punch press without using a conveyor device by providing the product in the cutout formed in the center of the other of the left side and the right side of the movable side table. And immediately take it out,
The configuration of the turret punch press can be simplified by reducing the number of components.

[Brief description of the drawings]

FIG. 1 is an enlarged sectional view taken along line II in FIG.

FIG. 2 is an enlarged sectional view taken along line II-II in FIG.

FIG. 3 is an enlarged view of a part viewed from an arrow III in FIG. 5;

FIG. 4 is an explanatory diagram showing a separating portion of a work from which a large number of small products are taken.

5 is an enlarged sectional view taken along line VV in FIG. 6;

FIG. 6 is a plan view of a turret punch press provided with the side shooter of the present invention.

[Explanation of symbols]

 Reference Signs List 1 turret punch press 9 lower turret 19 fixed center table 21 carry-in side moving side table 23 carry-out side moving side table 47 joint section cutting device 63 side shooter 73 link plate 91 link device

Claims (1)

(57) [Scope of request for utility model registration] 1. A rotatable upper turret having a plurality of punches is provided at an upper portion of a frame, and a rotatable lower turret having a plurality of dies is provided at a lower portion of the frame so as to be vertically opposed to the upper turret. A striker for pressing a predetermined punch from above is provided above the upper turret, and a fixed center table is fixedly provided on the front side of the lower turret in the lower part of the frame, and the left and right sides of the fixed center table in the lower part of the frame A pair of movable side tables are provided so as to be movable in the front-rear direction,
A carriage base extending in the left-right direction is provided on a pair of moving side tables, and a carriage provided with a work clamp for clamping an end of a work is provided on the carriage base so as to be movable in the left-right direction, and a left side on the front side of the turret. , A joint cutting device is provided on one of the right sides to cut a joint portion of a micro-joint-processed work to separate a product from the work, and the joint cutting device of a pair of movable side tables is provided. A square notch is formed in the center of the other side of the left side and the right side of the moving side table close to, and a work shooter for carrying out the product is provided in the notch, and a substantially horizontal work shooter is provided. Between the horizontal position and the inclined position where one of the left and right ends of the work shooter is lower than the other end. Stomach, the work shooter left end side,
A turret punch press characterized in that the turret punch press is configured to be vertically swingable with reference to a swing center of the other end of the right end.