JPH08174298A - Drive transmission device of press - Google Patents

Abstract

PURPOSE: To obtain the drive transmission device of a press which changes the lay-out easily by assembling a brake device, a fly-wheel device and a clutch device which are made into a unit preliminarily onto a driving shaft respectively. CONSTITUTION: A driving shaft 5 extending to right and left directions installed inside a drive box 3, on the shaft left side, a brake device 7 being preliminary made in a unit is assembled, on the right side, a fly wheel device 9 and a clutch device 11 being preliminarily made in a unit as one body are assembled, and the drive box 3 is installed on the upper part of a side frame in the press and used. The brake device 7 is composed of a brake supporter 13, a brake case 15, and a brake cylinder 27, etc. The fly wheel device 9 is composed of a fly wheel supporter 51, an oil guard 59, a fly wheel 57, etc. Further, the clutch device 11 is composed of a clutch case 65, a clutch disk 67 and a clutch hub 69, etc.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive transmission device for a press machine in which a clutch and a brake device are attached to a drive shaft in the press machine.

[0002]

2. Description of the Related Art Conventionally, a press machine 101 has side frames 103R and 10R installed vertically as shown in FIG.
The side frame 103R, 10
A drive transmission device 105 is provided on the upper portion of 3L.
As the drive transmission device 105, there is known a device including a brake device 109 on the left side of the drive shaft 107 and a clutch device 111 on the right side of the drive shaft 107.

Further, as shown in FIG. 6, in the press machine 101, side frames 103R and 103L are formed.
The drive shaft 107 of the drive transmission device 105 is provided in the upper part between and between the left and right sides, and the brake device 109 is provided on the drive shaft 107 that penetrates the left side of the side frame 103L and the right side of the side frame 103R. It is also known that the drive shaft 107 that penetrates through is provided with a clutch device 111.

[0004]

By the way, in the press machine 101 having the above-mentioned drive transmission device 105 as shown in FIG. 5 above the side frames 103R and 103L, the cost for transportation and installation is high. ， Although there is an advantage to the layout of the line configuration, the height of the installation site is required because the machine height is relatively high.

Further, in the above-described conventional press machine 101 having the brake device 109 and the clutch device 111 of the drive transmission device 105 as shown in FIG. 6 on the left and right portions of the side frames 103L and 103R, the overall machine height is increased. It can be kept low, but transportation and installation costs are high,
Line layout is often restricted.

When a line is constructed with the same machine in this way, the layout of one type of brake device 109 and clutch device 111 of the press machine 101 causes
It may be subject to line layout restrictions. In addition, even when either one of them can be selected, a large burden may be required on the user such as cost and delivery date.

An object of the present invention is to provide a drive transmission device for a press machine in which the clutch device, the brake device, and the flywheel device are unitized to facilitate layout changes and to avoid cost and delivery.

[0008]

In order to achieve the above object, a drive transmission device for a press machine according to the invention according to claim 1 is
A pre-unitized brake device is assembled on one side of the drive shaft, and a pre-unitized flywheel device and clutch device are integrated on the other side of the drive shaft. It is a thing.

In a drive transmission device for a press machine according to a second aspect of the present invention, the flywheel device comprises a flywheel supporter directly fitted to the drive shaft, an oil guard and a flywheel, and the flywheel is an oil guard. It is characterized in that it is detachably attached to.

[0010]

With the drive transmission device for a press machine according to the first aspect of the present invention as described above, a brake device is provided in advance.
The clutch device and flywheel device are unitized respectively. Then, the united braking device is assembled on one side of the drive shaft. Further, by unitizing the flywheel device and the clutch device which are unitized and assembling them on the other side of the drive shaft, the layout of the press machine can be easily changed, and the cost and delivery time are not required.

With the drive transmission device according to the second aspect of the present invention, since the flywheel is detachably attached to the oil guard, the size of the flywheel can be easily adjusted according to the press capacity of the press machine. It will be replaced and the other flywheel supporters and oil guards will not have to be changed.

[0012]

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

Referring to FIG. 1, a drive transmission device 1 of a press machine includes a drive box 3, and a drive shaft 5 extending in the left-right direction in FIG. 1 is provided in the drive box 3. Along with this drive shaft 5
A pre-unitized braking device 7 is assembled on the left side of the above, and a pre-unitized flywheel device 9 and clutch device 11 are integrally assembled on the right side of the drive shaft 5.

The drive box 3 in which the drive shaft 5, the braking device 7, the flywheel device 9 and the clutch device 11 are assembled in this manner is provided on the upper side frame of the press machine for use.

In the brake device 7, the brake supporter 13, the brake case 15, the brake hub 17, the bearing holder 19, the seal ring 21, and the brake plate 2 are provided.
3, a mass plate 25, a brake cylinder 27, and the like to form a unit.

That is, the brake supporter 13 and the brake case 15 are integrated by a plurality of bolts 29. A bearing holder 19 having a bearing 31 therein is attached to the brake supporter 13.
The brake case 15 has a piston 33 inside.
The brake cylinder 27 having the is attached by a plurality of bolts 35.

A plurality of brake plates 23 and masatsu plates 25 are alternately provided on the outer peripheral portion of the brake hub 17, and a brake spring is internally provided at a position facing the brake plate 23 on the outer periphery of the brake cylinder 27. A pusher 39 with 37 is provided.

In this state, the seal ring 21, the bearing 31, and the brake hub 17 are fitted to the left side of the drive shaft 5, and the brake supporter 13 and the bearing holder 19 are attached to the drive box 3 by a plurality of bolts 41 and 43, respectively. Further, by screwing the nut 45 onto the drive shaft 5 at the left end of the brake hub 17 and tightening it with the bolt 47, the brake device 7 is assembled to the drive box 3 and the drive shaft 5.

With the above structure, when air is supplied to the air passage 49 formed in the substantially central portion of the piston 33, the piston 33 moves to the left side in FIG. 1 and the pusher 39 moves to the left side. The brake is released by being released from the mass plate 25. Also,
When the air supply to the air passage 49 is turned off, the brake spring 37 is biased to the right side in FIG. 1 and the pusher 39 moves to the right side, so that the brake plate 23 comes into close contact with the mass plate 25 and the brake is applied. become.

The flywheel device 9 is composed of a flywheel supporter 51, bearings 53 and 55, a flywheel 57, an oil guard 59 and the like. That is, the flywheel 57 is integrated with the flywheel supporter 51 via the plurality of bearings 53, and the plurality of bearings 55 are mounted inside the flywheel supporter 51.

An oil guard 59 is attached to the flywheel 57, and the oil guard 59 is attached to the drive box 3 with a plurality of bolts 61.

In this state, the flywheel supporter 51,
The bearing 55 is fitted to the drive shaft 5, the left bearing 55 is attached by the seal ring 63, and the flywheel device 9 is assembled to the drive shaft 5.

The clutch device 11 is composed of a clutch case 65, a clutch disc 67, a clutch hub 69, a clutch plate 71, a mass plate 73, a clutch cylinder 75, a piston 77 and the like. Moreover, a drive pin 79 and a clutch spring 81 are provided between the clutch disc 67 and the piston 77.

That is, a clutch cylinder 75 is attached to the clutch case 65 with a plurality of bolts 83, and a clutch hub 69 and a piston 77 are provided in the clutch case 65.

The clutch case 65 in such a state is positioned outside the flywheel 57 by the pin 85 and attached by the bolt 87. Further, the clutch disc 67 is attached to the flywheel 57 with bolts 89, and the clutch hub 69 is fitted to the drive shaft 5, so that the clutch device 11 is integrated with the flywheel 57 and assembled to the drive shaft 5. become.

With the above construction, when air is supplied to the air passage 91 formed in the clutch cylinder 75, the piston 77 moves to the left in FIG.
The clutch will come into close contact with. When air is released from the air passage 91, the clutch 77 moves the piston 77 to the right by the clutch spring 81, the clutch plate 71 separates from the mass plate 73, and the clutch is released.

A rotary joint 93 for operating and lubricating fluid is attached to the right end of the drive shaft 5 in FIG. A plurality of drive pinions 95 are fitted in the central portion of the drive shaft 5 and tightened with nuts 97.

With the above structure, when a drive motor (not shown) is driven, the flywheel 57 is rotated via the timing belt. When the clutch device 11 is turned on, the rotation of the flywheel 57 is transmitted to the drive shaft 5. Due to the rotation of the drive shaft 5, the drive pinion 95 is rotated, and a slide (not shown) is vertically moved.

FIG. 2 shows another drive transmission device 1. The drive transmission device 1 in FIG. 2 is an example in which, for example, a brake device 7 is arranged on the left side of the left side frame of the press machine, and a flywheel device 9 and a clutch device 11 are integrally arranged on the right side frame of the right side frame. Is.

That is, in FIG. 2, the drive shaft 5 is provided so as to be longer than the drive shaft 5 in FIG. 1, and the braking device 7 unitized in advance on the left side of the drive shaft 5 is provided with the drive shaft 5.
A pre-unitized flywheel device 9 on the right side of the
Since the clutch device 11 is assembled and the structures of the brake device 7, the flywheel device 9 and the clutch device 11 are the same as those shown in FIG. 1, detailed description thereof will be omitted.

Therefore, as shown in FIGS. 1 and 2, the drive shaft 5 is designed each time depending on the size and shape of the press machine, the layout of the brake device 7 and the clutch device 11 on the frame, and the like. , The drive pinion 95 is attached to the central portion of the drive shaft 5,
The brake device 7, the flywheel device 11, and the clutch device 11 are attached to the left and right ends of the same to have the same dimensions for all machines, so that the brake device 7 and the flywheel device 9 are unitized in advance. In addition, since the clutch device 11 can be shared, the layout can be easily changed and the cost and delivery period can be prevented.

As shown in FIG. 3, the press machine 1
01, the brake device 7 on the front side of the side frame 103, and the rear clutch device 11 on the side frame 101.
4 may be arranged, and as shown in FIG. 4, the brake device 7 and the clutch device 11 may be arranged on the rear side of the side frame 103 on one side of the press machine 101. . Further, the order may be reversed in FIGS. 3 and 4.

Since the flywheel 57 is detachably attached to the oil guard 59 as shown in FIGS. 1 and 2, the size of the flywheel 57 is changed according to the ability of the press. be able to. Also in this case, the diameter of the flywheel supporter 51 is fitted to the drive shaft 5 without changing the diameter. Further, it is necessary to change the number of the clutch plates 71 and the mass plate 73 depending on the pressing ability.

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

[0035]

As can be understood from the above description of the embodiment, according to the invention of claim 1, the braking device, the clutch device and the flywheel device are unitized in advance, and the unit is formed. Assemble the brake device to one side of the drive shaft. By integrating the unitized flywheel device and the clutch device and assembling them on the other side of the drive shaft, the layout of the press machine can be easily changed, and the cost and delivery time are not required.

According to the second aspect of the invention, since the flywheel is provided so as to be attachable to and detachable from the oil guard, the size of the flywheel can be easily replaced according to the pressing ability of the press machine. Yes, other flywheel supporters and oil guards do not need to be changed.

[Brief description of drawings]

FIG. 1 is a front sectional view of a drive transmission device of a press machine according to an embodiment of the present invention.

FIG. 2 is a front sectional view of another embodiment replacing FIG.

FIG. 3 is a side view of an example of a press machine equipped with the drive transmission device of the present invention.

FIG. 4 is a side view of an example of a press machine equipped with the drive transmission device of the present invention.

FIG. 5 is a front view of an example of a press machine equipped with a conventional drive transmission device.

FIG. 6 is a front view of an example of a press machine equipped with a conventional drive transmission device.

[Explanation of symbols]

 1 Drive Transmission Device 3 Drive Box 5 Drive Shaft 7 Brake Device 9 Flywheel Device 11 Clutch Device 51 Flywheel Supporter 57 Flywheel 59 Oil Guard

Claims (2)

[Claims] 1. A pre-unitized brake device is assembled on one side of a drive shaft, and a pre-unitized flywheel device and a clutch device are integrally assembled on the other side of the drive shaft. A drive transmission device for a press machine, which is characterized in that 2. The flywheel device comprises a flywheel supporter directly fitted to the drive shaft, an oil guard, and a flywheel, and the flywheel is detachably attached to the oil guard. The drive transmission device for a press machine according to claim 1.