JPH10277794A - Machine press having a plurality of slides - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plurality of slides adaptable to the transport limit without any restriction in the manufacturing even for a crown in which a drive mechanism to vertically move a plurality of slides is built in. SOLUTION: At least two sets of crowns 2 in which a sliding mechanism to vertically move at least one set of slides 6A, 6B is built in are provided, the crowns are abutted on each other on the right and left sides of the respective crowns 2, a plurality of through holes are provided in the right-to-left direction of a frame on the abutted part, and the crowns are integratedly tightened by bolts and nuts to be fitted in the holes. In addition, at least one set of drive source unit 10 to drive the sliding mechanism built in the respective crowns 2 is provided to constitute the crown 2 on an upper part of the frame on the abutted part on the right and left sides of the respective crowns 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanical press having a plurality of slides, and more particularly to a crown structure and a drive mechanism for a slide provided on the crown.

[0002]

2. Description of the Related Art A conventional mechanical press having a plurality of slides is disclosed in Japanese Utility Model Publication No. 62-56299. As shown in the front view of the press machine according to the embodiment shown in FIG. 3 of Japanese Utility Model Publication No. 62-56299, the press machine comprises a bed, left and right columns and a center column erected on the bed, and provided on these columns. And a crown of an integral frame structure incorporating a drive mechanism for a slide including a drive source to be provided, is preformed by a tie rod and a nut and tightened to form an integrated frame.

[0003]

As described above, in a mechanical press having a plurality of slides according to the prior art, since the crown has an integral frame structure, the crown is restricted by the frame size, which hinders transportation. Was coming. In addition, the frame structure in which the drive mechanism of all the slides including the drive source is engaged with the crown frame is restricted in order to keep the frame size within the transport restrictions, and the drive mechanism of the slide is also restricted. .

[0004] It is an object of the present invention to solve the above-mentioned problems, and to provide a crown incorporating a drive mechanism for vertically moving a plurality of slides, without being restricted by the production of the crown. It is to provide a mechanical press having a slide.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention comprises a frame which is divided into a crown, a column and a bed, which is preloaded and fastened with tie rods and nuts, and integrated. In a mechanical press having a plurality of slides for vertically moving a slide by connecting an eccentric portion of a crankshaft rotatably provided on a crown and a slide with a connecting rod, a slide drive for vertically moving at least one slide At least two crowns with a built-in mechanism are provided, and the right and left sides of each crown are in contact with each other, and a plurality of holes penetrating in the left-right direction are provided in the frame of the contact portion and fitted into the holes. A drive source that is integrated with bolts and nuts and that drives a slide drive mechanism built into each crown Constituting the crown by providing at least one group of the knit upper portion of the frame of the contact portion between the right side and the left side surface of each crown.

In the above-described mechanical press having a plurality of slides, the drive source unit includes a main motor as a drive source and a fly provided on a drive shaft through which power of the main motor is transmitted via a pulley and a belt. It comprises a wheel, a clutch and a brake for transmitting / disconnecting this power, and a drive gear formed of a left-handed helical gear and a right-handed helical gear arranged to cancel the thrust force. The slide drive mechanism includes an intermediate gear formed by a left-helical helical gear or a right-helical helical gear that meshes with the drive gear of the drive source unit, and an intermediate pinion formed by the intermediate gear and a spur gear. An intermediate shaft provided on the shaft, a main gear provided on the crankshaft meshing with the intermediate pinion, and a connecting rod connected to an eccentric portion of the crankshaft. The intermediate shafts of the respective slide drive mechanisms are connected to the bosses of the respective intermediate gears by an integral coupling or a single coupling, and a plurality of slides are moved up and down by one drive source unit. A crown having a drive mechanism is configured.

[0007] Further, the frame of each crown is attached to the lower surface of the drive source unit provided above the frame at the abutting portion of each crown over the frame of each crown abutting on the right side and the left side.・ A removable oil receiver is provided.

[0008]

FIG. 1 is an overall front view of a crown of a mechanical press having two slides according to an embodiment of the present invention. As shown in FIG. 1, the mechanical press 1
The crown 2 includes a left crown 2A and a right crown 2B, a column 3 including a left column 3A, a center column 3B, and a right column 3C, and a bed (not shown). To form a frame 1A that is integrated with a preload.

The left crown 2A incorporating the first slide drive mechanism 11 for moving the left slide 6A up and down and the right crown 2B incorporating the second slide drive mechanism 21 for moving the right slide 6B up and down are composed of a left crown. The right side surface of the right crown 2A and the left side surface of the right crown 2B come into contact with each other, and penetrate in the left-right direction through the stepped portions 2C, 2D provided on the front and rear surfaces of the frame on the central column 3B at the contact portions of the right and left crowns 2A, 2B. Holes 2E are provided at three locations, and bolts 7 are fitted into the holes 2E and fastened with nuts 8 to integrally form the frame of the crown 2. Left crown 2A and right crown 2B
A drive source unit 10 for driving the first slide drive mechanism 11 and the second slide drive mechanism 21 is provided above the frame at the contact portion with the drive source unit 10. In this embodiment, the bolt 7 and the nut 8 for fastening the step portions 2C and 2D are used.
Are three places before and after, but the present invention is not limited to this.

FIG. 2 is a structural view of a drive mechanism of the slides 6A and 6B of the mechanical press 1 according to one embodiment of the present invention. As shown in FIG. 2, the first pin 12A and the second pin 12B fixed to the frame of the left crown 2A are provided with a first main gear 15, a second main gear 16, a third main gear 17, and a fourth main gear 18, respectively. The first pinion 13A and the second pinion 13B and the third pinion 13C and the fourth pinion 13D on the first intermediate shaft 13 rotatably fitted on the frame of the left crown 2A and rotatably supported by the frame of the left crown 2A, respectively. At the right end of the first intermediate shaft 13 is provided a first intermediate gear 14 formed of a left-handed helical gear, and the right side of the boss 14A of the first intermediate gear 14 has a coupling shape. To form Eccentric sheaves 16A and 18A having a predetermined amount of eccentricity are provided on boss portions of the second main gear 16 and the fourth main gear 18, respectively.
The main gear 15 is sandwiched between the second main gear 16 and the third main gear 17 and the fourth main gear 18, and the outer peripheral portions of the eccentric sheaves 16A, 18A and the left slide 6A are connected by connecting rods 19, 19 Slide 6
A first slide drive mechanism 11 that moves up and down A is configured.

[0011] Similarly, as shown in FIG.
Third pin 22A and fourth pin 22 fixed to frame B
B, the fifth main gear 25 and the sixth main gear 26, and the seventh main gear 27 and the eighth main gear 28 are rotatably fitted to each other, and are rotatably supported by the frame of the right crown 2B. Upper fifth pinion 23A
And the sixth pinion 23B and the seventh pinion 23C and the eighth pinion 23D. Also, the second intermediate shaft 2
The left shaft end of No. 3 is formed by a right-handed helical gear.
An intermediate gear 24 is provided, and the boss 2 of the second intermediate gear 24 is provided.
The left side of 4A forms a coupling shape. The boss portions of the sixth main gear 26 and the eighth main gear 28 are provided with eccentric sheaves 26A and 28A having a predetermined eccentric amount, respectively. The fifth main gear 25 and the sixth main gear 26, and the seventh main gear 27 and the eighth main gear 28 And the outer peripheral portions of the eccentric sheaves 26A, 28A and the right slide 6B are connected by connecting rods 29, 29 to constitute a second slide drive mechanism 21 for vertically moving the right slide 6B.

As shown in FIGS. 2 and 3, the drive source unit 10 is rotatably supported by the unit case 31 provided on the upper part of the frame at the contact portion between the left and right crowns 2A and 2B. A first drive gear 32A and a second drive gear 32B which are arranged on a shaft so as to cancel the thrust force and are formed by a helical gear having a left-hand twist and a right-hand twist.
, A flywheel 33 and a clutch 34 provided at one end of the drive shaft 32, and a brake 35 provided at the other end. A main motor 36 as a power source is provided on the left crown 2A, and the power of the main motor 36 is supplied to a pulley 37 provided on the main motor 36.
The driving of the drive shaft 32 is controlled by the clutch 34 and the brake 35 through the transmission to the flywheel 33 via the belt 38. In this embodiment, the main motor 3
Although 6 is provided on the left crown 2A, the main motor 36 may be provided directly on the unit case 31 of the drive source unit 10.

The left crown 2A and the right crown 2B are brought into contact with each other, and bolts 7 and nuts 8 are provided at the respective steps 2C and 2D.
The first slide drive mechanism 11
The first intermediate gear 14 on the intermediate shaft 13 is
0 and the second intermediate gear 24 on the second intermediate shaft 23 of the second slide drive mechanism 21 is engaged with the second drive gear 32B of the drive source unit 10. The torsion angles of the helical gears forming the drive gears 32A, 32B and the intermediate gears 14, 24 are set to about 5 to 15 degrees,
Considering to make the thrust force as small as possible.

When the first drive gear 32A meshes with the first intermediate gear 14, and the second drive gear 32B meshes with the second intermediate gear 24, respectively, the first intermediate shaft 13 and the second intermediate shaft 23 separate the intermediate gear 14, The two bosses 14A, 24A are coupled with coupling portions 14B, 24B integral with the bosses 14A, 24A to form a crown having a drive mechanism for vertically moving two slides 6A, 6B by one drive source unit 10. Drive shaft 3
2 is provided with a self-aligning bearing, the structure taking into consideration the lateral eccentric load is taken into consideration, and helical gears are used for the drive gears 32A and 32B and the intermediate gears 14 and 24, so that the intermediate shaft 13,
It is not necessary to provide a positioning collar on the bearings 9 and 23. In the present embodiment, the coupling portions 14B and 24B connecting the first intermediate shaft 13 and the second intermediate shaft 23 are integrated with the boss portions 14A and 24A of the respective intermediate gears 14 and 24. , 24A, a single coupling may be provided for connection.

As shown in FIG. 3, the first intermediate gear 1
Below the fourth intermediate gear 24 and the second intermediate gear 24, an oil receiver 40 is provided which can be attached and detached over the left crown 2A and the right crown 2B. Gears 32A, 32B and intermediate gear 14,
The oil supply to the crown 24 and the scattering of oil outside the crown are prevented.

[0016]

As is apparent from the above description, according to the present invention, even if a crown is provided with a drive mechanism for moving a plurality of slides up and down, the crown is not restricted by its manufacture and can be adapted to transport restrictions. A mechanical press having a plurality of slides. In addition, by providing a self-aligning bearing on the drive shaft, the structure takes into account left and right eccentric loads.By using helical gears for the drive gear and intermediate gear, there is no need for a positioning collar on the bearing of the intermediate shaft. Become.

[Brief description of the drawings]

FIG. 1 is an overall front view of a crown of a mechanical press according to an embodiment of the present invention.

FIG. 2 is a structural diagram of a drive mechanism of a slide.

FIG. 3 is a side sectional view of the drive source unit.

[Explanation of symbols]

1 is a mechanical press, 1A is a frame, 2 is a crown, 2A
Is a left crown, 2B is a right crown, 2C and 2D are steps,
2E is a hole, 3 is a column, 3A is a left column, 3B is a center column, 3C is a right column, 4 is a tie rod, 5, 8 is a nut, 6A is a left slide, 6B is a right slide, 7 is a bolt, and 9 is a bearing. 10 is a drive source unit, 11 is a first slide drive mechanism, 12A is a first pin, 12B is a second pin, 13 is a first intermediate shaft, 13A is a first pinion, 13B
Is the second pinion, 13C is the third pinion, 13D is the fourth pinion
Pinion, 14 is a first intermediate gear, 14A and 24A are boss parts, 14B and 24B are coupling parts, 15 is a first main gear, 16 is a second main gear, 17 is a third main gear, 18 is a fourth main gear, 16A, 18A, 26A,
28A is an eccentric sheave, 19 and 29 are connecting rods, 21 is a second slide drive mechanism, 22A is a third pin,
22B is a fourth pin, 23 is a second intermediate shaft, 23A is a fifth pinion, 23B is a sixth pinion, 23C is a seventh pinion, 23D is an eighth pinion, 24 is a second intermediate gear, 25
Is the fifth main gear, 26 is the sixth main gear, and 27 is the seventh main gear.
Main gear, 28 is an eighth main gear, 31 is a unit case, 32 is a drive shaft, 32A is a first drive gear, 32B is a second drive gear, 33 is a flywheel, 34 is a clutch, 35 is a brake, 36 is a main motor, 37 is a pulley, 38 is a belt, 40 is an oil pan.

Claims (3)

[Claims] 1. An eccentric portion of a crankshaft and a slide, which are divided into a crown, a column, and a bed, are preformed by a tie rod and a nut, tightened and integrated, and are rotatably provided on the crown. In a mechanical press for moving a slide up and down by connecting with a connecting rod, at least two crowns incorporating a slide drive mechanism for moving at least one slide up and down are provided, and a right side surface and a left side surface of each crown are provided. Abutting, providing a plurality of holes penetrating in the left and right direction in the frame of the abutting part,
The drive source unit for driving the slide drive mechanism incorporated in each crown is fastened by a bolt and a nut fitted into the hole, and a drive source unit for driving a slide drive mechanism is provided at a contact portion between the right side surface and the left side surface of each crown. A mechanical press having a plurality of slides, wherein at least one slide is provided on an upper portion of a frame to form a crown. 2. The drive source unit according to claim 1, wherein the drive source unit includes: a main motor as a drive source;
A flywheel provided on a drive shaft for transmitting the power of the main motor via a pulley and a belt, a clutch and a brake for transmitting / disconnecting the power, and a left-handed towel disposed to cancel the thrust force. It is composed of a helical gear and a drive gear formed of a helical gear with a right helix. B) The slide drive mechanism includes an intermediate gear formed by a left-helical helical gear or a right-helical helical gear meshing with a drive gear of a drive source unit, and an intermediate gear formed by the intermediate gear and a spur gear. An intermediate shaft having a pinion on the shaft,
It comprises a main gear provided on the crankshaft meshing with the intermediate pinion, and a connecting rod connected to the eccentric part of the crankshaft. C) The intermediate shaft of each slide drive mechanism is connected to the boss of each intermediate gear by an integral coupling or a single coupling, so that a plurality of slides are connected.
A crown having a drive mechanism that moves up and down with the base drive source unit is configured. A mechanical press having a plurality of slides, characterized in that: 3. The drive source unit according to claim 1, wherein the lower surface of the drive source unit provided on the upper portion of the frame at the abutting portion of each crown extends over the frame of each crown abutting on the right side surface and the left side surface. A mechanical press having a plurality of slides, comprising a crown frame and a detachable oil receiver.