JPH0550416B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a winding machine configured to actively rotate a chuck for mounting a tube for winding up a sheet-like object or a linear object.

(Prior art and its problems) Generally, when winding sheet-like materials such as synthetic resin films and paper, or wire-like materials such as synthetic fiber yarn and electric wires, a chuck for attaching the winding tube is used. A winder configured to rotate actively is used.

As such a winding machine, for example, the
This is described in Japanese Patent No. 18662, in which a chuck for attaching a winding tube has a pressing piece expanded in the outer circumferential direction by a spring or the like, and tightens by coming into contact with the inner circumferential surface of the tube, and pressurized fluid such as compressed air is released. By supplying the pressure piece, the pressure piece is reduced in the axial direction and released from the tightening force. Further, an electromagnetic clutch for controlling rotational torque is disposed between the chuck and the driving electric motor so that the material to be wound, such as a sheet-like material, is wound with a constant tension.

A winding machine with the above configuration requires a pressure fluid supply device to operate the chuck and a power supply device to operate the electromagnetic clutch, and these devices must be installed in a narrow space. Moreover, when a large number of winding machines are installed at narrow intervals, assembly, repair, etc. are extremely difficult. Further, when the chuck is in an inoperative state and the tube is not tightened, the clutch is connected to a drive source and rotates, causing problems such as damage to the clutch or the surface pressure applying roller.

(Objective) The present invention solves the above-mentioned problems, has a simple and compact structure, is easy to assemble, repair, etc., and can be used even when the chuck is not in operation and the tube is not tightened. It is an object of the present invention to provide a winding machine in which the clutch is activated and does not rotate.

(Means for Solving the Problems) The winding machine of the present invention has a winding machine in which a chuck rotatably attached to the end of an arm and a drive device for rotating the chuck are connected by a clutch. In the machine, the chuck includes a chuck body rotatably mounted on the outer periphery of a boss fixed to an arm, a piston member movably mounted on the outer periphery of the chuck body in a longitudinal direction of the axis, and the chuck main body. , or consisting of a pressing member attached to the outer periphery of the piston member and an elastic body attached to the tip of the chuck body to press the piston member,
The pressing force of the elastic body causes the pressing member to extend in the diametrical direction and tighten the tube, and when pressurized fluid is supplied, the piston member moves in the opposite direction and the pressing member contracts in the axial direction, causing the tube to tighten. The clutch is formed such that the driving side member and the driven side member are rotatably mounted on the frame body with a predetermined interval, and when pressurized fluid is supplied, the driving side member or the driven side member The side members move in the longitudinal direction of the shaft center so that each member is integrally connected, and the pressure fluid is not supplied to the chuck and the clutch at the same time, but only to one of them. It has been done.

(Example) The configuration of one implementation row of the winder of the present invention will be explained based on the drawings.

Reference numeral 2 denotes a first member rotatably attached to a frame 1 installed on a machine stand (not shown) by means of a bearing 4.
It is a clutch member and has teeth 2a on its circumferential surface for transmitting rotation.
is formed, and a friction plate 3 is integrally attached to the side surface thereof with a screw, a pin, an adhesive, or the like. A boss 5 for supplying pressure fluid is attached to the frame 1 coaxially with the first clutch member 2, and a piston member 6 is movably attached thereto. The boss 5 has a pressure fluid supply hole 5.
a is bored, and supplies pressure fluid such as compressed air so that a pressing force acts on the wall surface 6a of the piston member 6. A seal member 7 is installed in a groove formed in the boss 5 and comes into sliding contact with the inner circumferential surface of the piston member 6. A second clutch member 8 is rotatably attached to the piston member 6 by a bearing 10, and has teeth 8a for rotation transmission on its circumferential surface, and a friction plate 9 integrally formed on its side surface. It is installed.

Pressure fluid supply hole 5 bored in the above-mentioned boss 5
When pressure fluid is supplied to a, a pressing force acts on the wall surface 6a of the piston member 6, and the second clutch member 8 is moved together with the piston member 6 in the direction A, and the friction plate 9 is moved to a predetermined position with respect to the friction plate 3. The first clutch member 2 and the second clutch member 8 are integrally connected by abutting force of .

A shaft 11 is rotatably attached to the frame 1 by a bearing 12, and an arm 13 is integrally attached thereto. 14 has two teeth 14 on the circumferential surface.
a, 14b, which is a gear body rotatably attached to the arm 13 by a bearing 15, and is meshed with the first clutch member 2.
16 is a toothed belt, and the teeth 14b of the gear body 14
The chuck 17 is stretched between teeth 19a formed on the chuck main body 19 and transmits rotation. 1
8 is a boss for supplying pressure fluid attached to the end of the arm 13, and a chuck body 19 is rotatably attached by a bearing 20. A pressure fluid supply hole 18a is bored in the boss 18, and a pressure fluid such as compressed air is supplied to the wall surface 23b of the piston member 23.
Supplied so that a pressing force is applied to. A seal member 21 is installed in a groove formed in the fitting portion of the chuck body 19 and the boss 18, and is deformed and comes into sliding contact with the inner circumferential surface of the boss 18 when pressure fluid is supplied. 22 is a sealing member installed in a groove formed in the chuck body 19, and the piston member 23
It is in sliding contact with the inner peripheral surface of. The piston member 23 is attached to the chuck body 19 so as to be movable in the longitudinal direction of the axis, and has a conical outer peripheral portion 23a.
24 is a spring receiver integrally attached to the chuck body 19 with bolts 25. A coil spring 26 is installed between the spring receiver 24 and the piston member 23, and constantly presses the piston member 23 toward the chuck body 19. 27 is the piston member 2
These are three pressing pieces disposed on the circumferential surface of the piston member 23, and a conical inner circumferential portion 27a is formed to engage with a conical outer circumferential portion 23a of the piston member 23. These pressing pieces 27 are reduced in size by an elastic ring 29 so as to come into contact with the piston member 23, and are positioned by pins 28 so as not to rotate in the circumferential direction. The pressing piece 27 is
The piston member 23 due to the pressing force of the coil spring 26
When pressed in the direction B, the conical outer peripheral portion 23a
It is moved in the C direction along the tube 5 and enlarged.
0 and tightens the tube 50. When pressure fluid is supplied to the pressure fluid supply hole 18a formed in the boss 18 in this state, the coil spring 26 is compressed and the piston member 23 moves in two directions as shown in FIG. is moved in the E direction by the elastic ring 29 to contract and separate from the inner circumferential surface of the tube 50 to release the tube 50 from tightening.

30 is a pressure fluid supply main pipe, and the pressure regulator 3
1. A supply path switching valve 32 is connected. Branch pipes 33 and 34 are connected to the supply path switching valve 32, and the end of the branch pipe 33 is connected to the pressure fluid supply hole 5a of the boss 5, and the end of the branch pipe 34 is connected to the boss 1.
8 pressure fluid supply holes 18a, respectively, so that pressure fluid is supplied to only one of them.

35 is a line shaft connected to an electric motor (not shown), and the second clutch member 8 of each winding machine
A gear 36 is attached at a position where it meshes with the teeth 8a. Therefore, when the electric motor (not shown) is operated to rotate the gear 36, the second clutch member 8,
Rotation is transmitted to the friction plates 3 and 9 and the first clutch member 2 in this order, and the chuck main body 19 of the chuck 17 is rotated by the gear body 14 and the toothed belt 16.

When installing the tube 50 in the above-mentioned winding machine, with the line shaft 35 stopped rotating, as shown in FIG.
When activated and the supply path is switched, the supply of compressed air from the branch pipe 33 to the boss 5 is stopped and communicated with the atmosphere, so that the pressing force acting on the wall surface 6a of the piston member 6 disappears. As a result, the frictional force between the friction plates 9 and 3 is lost, and the first clutch member 2 and the second clutch member 8 become uncoupled, causing the line shaft 35 to be rotated by mistake and causing the second clutch member to become disconnected. Even if the clutch 8 rotates, the first clutch member 2 and the chuck 17 are not rotated.

When the supply path of the above-mentioned supply path switching valve 32 is switched as shown in FIG. 3 and compressed air is supplied from the branch pipe 34 to the boss 18 and the piston member 23 is moved in two directions, the conical shape of the piston member 23 is changed. outer peripheral part 23a of
moves toward the larger diameter side of the conical inner peripheral portion 27a of the pressing piece 27, so it is reduced by the elastic ring 29 and moved in the E direction, and the outer diameter of the pressing piece 27 becomes the inner diameter of the tube 50. become smaller. In this state, the tube 50 is inserted to a predetermined position.

Next, as shown in FIG.
2 is activated and the supply path is switched to stop the supply of compressed air to the boss 18 and to connect it to the atmosphere. Since the pressing force acting on the wall surface 23b of the piston member 23 disappears, the pressing force of the coil spring 26 is reduced. The piston member 23 is moved in the direction B by the pressure. Therefore, the conical outer peripheral part 23a of the piston member 23 is the same as the conical inner peripheral part 27a of the pressing piece 27.
In order to move to the smaller diameter side, the pressing piece 27 is pushed out in the C direction and comes into contact with the inner circumferential surface of the tube 50 with a predetermined pressing force, thereby tightening the tube 50.

When the supply path of the above-mentioned supply path switching valve 32 is switched as shown in FIG. 2 and compressed air is supplied from the branch pipe 33 to the boss 5, a pressing force acts on the wall surface 6a of the piston member 6 and is pushed in the A direction, and the friction plate 9 comes into contact with the friction plate 3 with a predetermined pressing force.
The clutch member 2 and the second clutch member 8 are connected. When the line shaft 35 is rotated in this state, the rotation is transmitted to the second clutch member 8, the friction plates 3 and 9, the first clutch member 2, the gear body 14, the toothed belt 16, and the chuck body 19 in this order. 17 is rotated.

A valve operated by a timer or the like is provided in each of the branch pipes mentioned above to stagger the supply and stop timing of pressure fluid to the bosses 5 and 18, thereby tightening and releasing the tube.
By temporally separating the engagement and disengagement operations of the clutch, the tube 50 can be attached and detached while the line shaft 35 is being rotated.

(Effects of the Invention) The winding machine of the present invention is a winding machine in which a chuck rotatably attached to an end of an arm and a drive device for rotating the chuck are connected by a clutch. a chuck body rotatably mounted on the outer periphery of a boss fixed to the arm, a piston member mounted on the outer periphery of the chuck body so as to be movable in the longitudinal direction of the axis, and the chuck body or the piston member. It consists of a pressing member attached to the outer periphery and an elastic body attached to the tip of the chuck body to press the piston member,
The pressing force of the elastic body causes the pressing member to extend in the diametrical direction and tighten the tube, and when pressurized fluid is supplied, the piston member moves in the opposite direction and the pressing member contracts in the axial direction, causing the tube to tighten. The clutch is formed such that the driving side member and the driven side member are rotatably mounted on the frame body with a predetermined interval, and when pressurized fluid is supplied, the driving side member or the driven side member The side members are moved in the longitudinal direction of the shaft center so that each member is integrally connected, and the pressure fluid is not supplied to the chuck and the clutch at the same time, but only to one of them. Therefore, the following effects can be achieved.

(1) Since the fluid supply device for operating the chuck and clutch is shared, the structure can be made simple and compact, and work such as assembly and repair can be easily performed.

(2) Pressure fluid is supplied to only one of the chuck and the clutch, which prevents the clutch from becoming activated and rotating when the chuck is not activated and the tube is not tightened. can.

[Brief explanation of drawings]

FIG. 1 is a schematic diagram showing one embodiment of the winder of the present invention. FIG. 2 is a Z-Z arrow view in FIG. 1. FIG. 3 is a schematic view showing the tube of FIG. 2 in an unfastened state. 1: Frame body, 2: First clutch member, 3, 9: Friction plate, 5, 18: Boss, 6, 23: Piston member, 8: Second clutch member, 11: Shaft body, 13:
Arm, 14: Gear body, 16: Toothed belt, 1
7: Chuck, 19: Chuck body, 24: Spring holder, 26: Coil spring, 27: Pressing piece, 29:
Elastic ring, 30: Pressure fluid supply main pipe, 31: Pressure regulator, 32: Supply path switching valve, 33, 34: Branch pipe, 35: Line shaft, 36: Gear.

Claims (1)

[Claims] 1 In a winding machine in which a chuck rotatably attached to the end of an arm and a drive device for rotating the chuck are connected by a clutch, the chuck is rotated around the outer periphery of a boss fixed to the arm. a chuck body that is freely attached; a piston member that is attached to the outer periphery of the chuck body so as to be movable in the longitudinal direction of the axis; a pressing member that is attached to the outer periphery of the chuck body or the piston member; and the chuck body. and an elastic body that is attached to the tip of the tube and presses the piston member.The pressing force of the elastic body causes the pressing member to extend in the diametrical direction and tighten the tube, and when the pressure fluid is supplied, the piston member moves in the opposite direction, the pressing member contracts in the axial direction, and the clutch is formed to release the tightening of the chuck, and the driving side member and the driven side member rotate with a predetermined distance from the frame body. It is freely attached, and when pressure fluid is supplied, the driving side member or the driven side member moves in the longitudinal direction of the axis to form each member integrally connected, and the pressure fluid is supplied to the chuck and clutch. A winding machine characterized in that the winding machine does not supply the winding machines to both at the same time, but only to one of the winding machines.