JP3047393U - Turret punch press - Google Patents

Abstract

(57) Abstract: In a mechanism for rotating a rotary mold 17 held by a turret 19, a rotary motor 33 is rotated under the condition that an output shaft 37 of a rotary motor 33 and a drive shaft 41 are aligned.
The output shaft 37 and the drive shaft 41 are linked to each other. SOLUTION: A plurality of through holes 51 are provided in one side frame 5.
Is provided in each through hole 51, and a flanged bush 53 having an abutting surface 53F capable of abutting against the motor bracket 35 is provided. A flange 57 of each flanged bush 53 is formed outside one of the side frames 5. Each flanged bush 5 is configured to abut against the machined surface 5F.
A pull bolt 59 penetrating through the third bush hole 53H is screwed into the motor bracket 35, respectively.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a turret punch press having a rotatable turret for holding a plurality of dies, and more particularly, to an apparatus for rotating any one of a plurality of dies around a vertical axis.

[0002]

[Prior art]

 Hereinafter, a conventional turret punch press will be briefly described.

The turret punch press has a bridge-type main body frame, and a turret having a large number of dies is rotatably provided on the main body frame. Here, the main body frame is based on a pair of opposed and connected side frames, and one of a large number of dies is a rotating die that can rotate about a vertical axis.

[0004] In order to rotate the rotary mold, a driven gear is provided integrally with the rotary mold, and a gear shaft integrally provided with a drive gear meshed with the driven gear is provided on the turret. It is provided rotatably. In order to rotate the gear shaft, a transmission shaft is rotatably provided between the pair of side frames, and the transmission shaft has a clutch that can be disconnected at one end of the gear shaft. In order to rotate the transmission shaft, a motor bracket provided with a rotation motor is provided inside one side frame, and the output shaft of the rotation motor is interlocked to the drive shaft via a coupling. The drive shaft is linked to the transmission shaft.

[0005] Accordingly, the turret is rotated to position one end of the gear shaft at a position connectable to the clutch, and the clutch is connected to one end of the gear shaft. Then, the drive shaft is rotated via the coupling by the drive of the rotary motor, whereby the transmission shaft is rotated, and the rotary mold is rotated about the vertical axis via the drive gear and the driven gear. This makes it possible to perform various punching processes by changing the direction of the rotary mold.

[0006]

[Problems to be solved by the invention]

 Normally, welding is performed to connect the pair of side frames, and when appropriate processing is performed on the pair of side frames, the pair of side frames is performed after welding in consideration of distortion due to welding. However, it is generally difficult to machine the inside of the side frame, and the motor bracket is attached to the work surface inside the side frame. Therefore, there is a problem that the output shaft of the rotary motor and the drive shaft do not align with each other, and the output shaft of the rotary motor, the coupling, and the like are damaged.

[0007]

[Means for Solving the Problems]

 As described above, in order to solve the conventional problems, in the present invention, the main body frame is provided with a rotatable turret for holding a large number of molds, and the main body frame includes a pair of opposed and connected In the turret punch press, which is a rotating mold that can rotate any one of a number of molds about a vertical axis based on the side frame, the rotating mold is used to rotate the rotating mold. A driven gear (for example, a worm wheel) is integrally provided, and a gear shaft integrally provided with a drive gear (for example, a worm) meshed with the driven gear is rotatably provided on the turret, and this gear shaft is rotated. For this purpose, a rotatable transmission shaft having a clutch that can be connected and disconnected at one end of the gear shaft is provided rotatably between a pair of side frames, and a rotary motor is provided to rotate this transmission shaft. In addition to providing the obtained motor bracket so as to be located between the pair of side frames, the output shaft of the rotary motor is interlockedly connected to the drive shaft via a coupling, and the drive shaft is interlockedly connected to the transmission shaft. A plurality of through holes are provided in one side frame, and a flanged bush having a contact surface capable of contacting the motor bracket is provided in each through hole, and a flange of each flanged bush is provided on one side frame. Pulls penetrating through the bush holes of each flanged bush so that each is configured to abut against the machined surface formed on the outer side and the motor bracket is fixed so as to abut against the contact surface of the multiple flanged bushes. It is characterized in that bolts are respectively screwed into the motor bracket.

[0008] According to the invention, the flange of each flanged bush is configured to abut a processing surface formed on the outside of one of the side frames, and the motor bracket is connected to each flanged bush by a pull bolt. The output shaft of the motor and the drive shaft must be linked via a coupling while the output shaft of the motor and the drive shaft are aligned. Becomes easier.

In addition, the turret is rotated to position one end of the gear shaft at a position connectable to the clutch, and the clutch is connected to one end of the gear shaft. By rotating the drive shaft via the coupling by driving the rotary motor, the transmission shaft is rotated, and the rotary motor is rotated about the vertical axis via the drive gear and the driven gear. This makes it possible to perform various punching processes by changing the direction of the rotary mold.

[0010]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

Referring to FIG. 3, the turret punch press according to the embodiment of the present invention includes a bridge-type main body frame 3, which faces left and right (up and down in FIG. 3) and It is based on a pair of connected side frames 5. A fixed table 7 for supporting the plate material W is provided at a lower portion of the main body frame 3 (a back portion facing the paper surface in FIG. 3). (In the left-right direction in FIG. 3). A carriage base 11 extending in the left-right direction is provided at the rear part of the pair of movable tables 9. The carriage base 11 includes a carriage 15 having a plurality of work clamps 13 for clamping the ends of the plate material W. It is provided movably in the left-right direction.

An upper turret 19 for holding a large number of upper dies 17 is rotatably provided on the upper part of the main body frame 3, and a lower part for holding a number of lower dies (not shown) is provided at a lower part of the main body frame 3. A turret (not shown) is rotatable and provided to face the upper turret 19 vertically. Here, a pair of upper dies 17 having a positional relationship of being displaced by 180 degrees about the turret shaft 19C as a center among a number of upper dies 17 are upper rotating dies that can rotate about a vertical axis 17S. Of the many lower dies, the lower die vertically opposed to the upper rotary die is a lower rotary die that can rotate about a vertical axis.

Next, a specific part of the present invention, which is a main part of the embodiment of the present invention, for rotating the upper rotary mold 17 will be described.

In order to rotate each upper rotary mold 17, each upper rotary mold 17 is integrally provided with a worm wheel 21, and an upper turret 19 is provided with a worm 23 meshed with the corresponding worm wheel 21. The worm shaft 25 integrally provided with is provided rotatably. In order to rotate the worm shaft 25, a transmission shaft 27 is rotatably provided between the pair of side frames 5, and the transmission shaft 27 has a clutch 29 at one end of the worm shaft 25 which can be disconnected. I have. Here, the clutch 29 is for disconnecting connection to one end of the worm shaft 25 by the operation of the connection cylinder 31, and the transmission shaft 27 is rotatably connected to a piston of the connection cylinder 31.

Referring to FIGS. 1 to 3, in order to rotate the transmission shaft 27, a motor bracket 35 having a rotation motor 33 is provided so as to be located between the pair of side frames 5. The output shaft 37 of the rotary motor 33 is operatively connected to a drive shaft 41 via a coupling 39. The drive shaft 41 connects the universal joint 43, the drive pulley 45, the driven pulley 47, and the timing belt 49 to the transmission shaft 27. It is linked through the link.

The one side frame 5 is provided with a plurality of through holes 51, and each of the through holes 51 is provided with a flanged bush 53 via a mounting bolt 55. Each flanged bush 53 has a contact surface 53F that can contact the motor bracket 35, and the flange 57 of each flanged bush 53 abuts a processing surface 5F formed outside one of the side frames 5. Each is configured as follows. In order to fix the motor bracket 35 by contacting the contact surfaces 53F of the plurality of flanged bushes 53, pull bolts 59 passing through the bush holes 53H of the respective flanged bushes 53 are screwed to the motor bracket 35, respectively. .

In addition, as for the specific device for rotating the lower rotary mold, the above-described rotary device 33 is used as a common drive source, and the same device for specifying the device as described above is provided.

The operation of the embodiment of the present invention will be described based on the above-mentioned specific matters of the present invention.

A flange 57 of each flanged bush 53 is configured to abut a processing surface 5F formed on the outside of one of the side frames 5, and a plurality of pull bolts 59 are used to connect the motor bracket 35 with a plurality of flanges. Since the abutment surface 53F of the bush 53 abuts and is fixed, the output shaft 37 of the rotary motor 33 and the drive shaft 41 are aligned with the output shaft 37 of the rotary motor 33 and the drive shaft 41 being aligned. Can be linked.

The upper turret 19 is rotated to position one end of the worm shaft 25 at a position where it can be connected to the clutch 29, and the clutch 29 is connected to one end of the worm shaft 25 by operating the connection cylinder 31. When the drive shaft 41 is rotated via the coupling 33 by the drive of the rotary motor 33, the transmission shaft 27 is rotated via the drive pulley 45, the driven pulley 47, the timing belt 49, and the like, and further, the worm 23 and the worm wheel The upper rotary mold 17 rotates about the vertical axis 17S via 21. Thus, various punching processes can be performed by changing the direction of the upper rotary mold 17.

When the lower rotary mold is rotated, the same operation as described above is performed.

As described above, according to the embodiment of the present invention, the output shaft 37 of the rotary motor 33 and the drive shaft 4 are driven under the condition that the output shaft 37 of the rotary motor 33 and the drive shaft 41 are aligned. 1 can be linked and connected, so that the output shaft 37 of the rotary motor 33 and the coupling 39 can be minimized.

[0023]

[Effect of the invention]

 According to the first aspect of the present invention, the output shaft of the rotary motor and the drive shaft can be interlocked and connected in a state where the output shaft of the rotary motor and the drive shaft are aligned. Damage to the motor output shaft and coupling can be minimized.

[Brief description of the drawings]

FIG. 1 is a diagram showing a main part of an embodiment of the present invention.

FIG. 2 is an enlarged view of an arrow section II in FIG.

FIG. 3 is a schematic plan view of a turret punch press.

[Explanation of symbols]

 Reference Signs List 1 turret punch press 3 body frame 5 side frame 17 upper mold, upper rotating mold 19 upper turret 21 worm wheel 23 worm 25 worm shaft 27 transmission shaft 29 clutch 33 rotation motor 35 motor bracket 37 output shaft 39 coupling 41 drive shaft 51 Through Hole 53 Bush with Flange 57 Flange 59 Pull Bolt

Claims (1)

[Utility model registration claims] 1. A turret for holding a plurality of dies is rotatably provided on a main body frame. The main body frame is based on a pair of side frames connected to each other and connected to each other. In a turret punch press, which is a rotating mold capable of rotating the mold about a vertical axis, a driven gear is integrally provided with a rotating mold for rotating the rotating mold, and the driven gear is meshed with the turret. A rotatable gear shaft integrally provided with a driving gear is provided. In order to rotate the gear shaft, a transmission shaft having a clutch that can be disconnected at one end of the gear shaft between a pair of side frames is rotated. In order to rotate the transmission shaft, a motor bracket having a rotation motor is provided between the pair of side frames, and the output shaft of the rotation motor is driven. The drive shaft is linked to the shaft via a coupling and the drive shaft is linked to the transmission shaft.A plurality of through holes are provided in one side frame, and each through hole has a contact surface capable of contacting the motor bracket. Provided with a flanged bush provided with each, the flange in each flanged bush is configured to abut on a processing surface formed on the outside of one side frame, respectively, the motor bracket is in contact with a plurality of flanged bushing abutting surface A turret punch press characterized in that a pull bolt penetrating through a bush hole of each flanged bush is screwed into a motor bracket so as to be fixed so as to abut.