JPH0436972B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for taking out top and bottom plates in equipment for automatically assembling and manufacturing drums.

The drum is manufactured by fitting a shallow dish-shaped top plate and a base plate into both ends of a cylindrical body, and fixing the flanges of the body and the top plate by seaming. FIG. 1 is a process diagram showing the main parts of the drum manufacturing process.

As shown in the drawing, the body is prepared by shearing the coil to the required length, bending it into a cylindrical shape, welding the seams, and forming flanges at both ends and a ring in the middle. In addition, a shallow dish-shaped top and bottom plate with flanges is prepared by drawing the coil. The top plate has a base hole (flange mounting hole),
The base (flange) is press-fitted here. After the body and the top and bottom plates prepared in this manner are subjected to chemical conversion treatment, the top and bottom plates are temporarily fitted to both ends of the body so that their flanges overlap, and each flange is tightened to secure the top and bottom plates to the body.

The fuselage and top and bottom plates are transported along the production line by separate conveyors. In particular, the top and bottom plates are transported by a trolley conveyor equipped with hangers. The top plate and the base plate are mounted one by one on a single hanger so as to face each other outward in an umbrella-like manner, slightly inclined from the vertical position.

By the way, conventionally, when temporarily fitting the top and bottom plates to the body, the top and bottom plates were manually removed from the hanger immediately before the temporary fitting location. In addition, the top plate is attached to the body by aligning the base of the top plate with the weld seam of the body, but this is to facilitate the filling operation. Conventionally, an operator rotates the top plate by hand so that the above-mentioned positions match, and supplies the top plate to the fitting device.

Therefore, in the past, at least two workers were required to remove the top and bottom plates from the hanger and fit the top and bottom plates to the body. Since drums are manufactured at a rate of about one drum per six seconds in an assembly line operation, the above-mentioned operation requires considerable labor. In addition, in the drum manufacturing line mentioned above, everything is automated except for the removal of the top and bottom plates from the hanger, alignment, and fitting of the top and bottom plates to the body, and these three manual operations impede safety and uniformity of capacity. However, due to production management, this became a bottleneck in the drum assembly manufacturing process.

This invention attempts to automate the removal of the top and bottom plates from the hanger among the above-mentioned manual operations.
In automation, since a series of processes such as the above-mentioned winding and tightening are performed on an assembly line, the top and bottom plates must be removed quickly and reliably.

Therefore, it is an object of the present invention to provide a top and bottom plate removal device that can quickly and reliably take out the top and bottom plates placed on a hanger.

The top and bottom board take-out device of the present invention includes a hanger in which a top board and a bottom board are placed with their outer surfaces facing each other in an umbrella shape in a slightly inclined position from vertical, and a trolley conveyor that suspends the hangers and conveys them in the direction of the board surface. The drum assembly equipment is equipped with a top plate posture correction device, a bottom plate posture correction device, a top plate kick-out device, and a bottom plate kick-out device. The above-mentioned top-bottom posture correction device and bottom-plate posture correction device extend along the top-bottom plate conveyance line and are provided at intervals in the top-bottom plate conveyance direction, and are in contact with the above-mentioned hanger and rotate the plate surface vertically or in the direction of movement. A top plate conveyor and a bottom plate conveyor are provided which are driven independently of each other at a speed difference with respect to the above-mentioned trolley conveyor so that the top plate conveyor and the bottom plate conveyor are slightly inclined in opposite directions. Further, the top plate kick-out device and the bottom plate kick-out device are provided on the sides of the top and bottom plate conveyors and spaced apart from each other in the top and bottom plate conveyance direction, and are perpendicular to the top and bottom plate conveyance line. It is equipped with a kick-out arm that can be rotated in any direction.

The top and bottom plates are placed on the hanger at an angle of about 10 degrees to the vertical plane to prevent them from falling off the hanger during transportation. In this invention, the top and bottom plates are each kicked out from the top plate kicking-out device and the bottom plate kicking-out device in a substantially vertical posture. That is, a top plate conveyor and a bottom plate conveyor are provided which run parallel to the trolley conveyor. The top plate conveyor and the bottom plate conveyor contact the lower end of the hanger and are driven to have a speed difference with the trolley conveyor. As a result, the lower end of the hanger advances earlier or later than the upper end, and the top and bottom plates change from an inclined position to a vertical position or a position slightly tilted in the opposite direction to the direction of travel.

In this position, the top and bottom plates are kicked out from the hanger by the kick-out arm, so that they can be removed from the hanger in an extremely short amount of time. At this time, the top and bottom boards are in a vertical position or slightly tilted in the opposite direction to the direction of travel, so the kicking arm not only hits the periphery of the top and bottom board accurately, but also absorbs the inertia in the direction of travel and kicks out. Since the top and bottom plates are rolled in an almost vertical position, they can be reliably settled in a predetermined position.

Examples of the present invention will be described below.

FIG. 2 is a layout diagram showing an example of drum assembly manufacturing equipment. Chain conveyor 1 that conveys the fuselage 1
Trolley conveyor 16 with hanger 1 and hanger 17
are extending in parallel from a chemical conversion treatment device (not shown). A chain conveyor 12 is connected to the end of the chain conveyor 11 for conveying the body 1 in the direction of the body axis. Furthermore, this chain conveyor 1
A tact conveyor 14 extending perpendicularly to the conveyors 12 and 14 is disposed, and a body transfer device 13 is provided between the conveyors 12 and 14. The fuselage transfer device 13 transfers the fuselage 1 from the chain conveyor 12 to the tact conveyor 14 and simultaneously prepares a pass line. The hanger 17 is attached to the top plate 2 as shown in FIG.
and the base plate 3 are placed on the rack so that they face each other. The top plate 2 and the bottom plate 3 have hangers 17
It rests on a pedestal 19 so as to lean slightly toward the hanger main body 18 so as not to fall down.

In the transport line of the tact conveyor 14, a body positioning device 21, a top and bottom plate temporary fitting device 23 consisting of a fitting device 24 and a pushing device 25, and a seaming device 27 are arranged in sequence.

The top and bottom plate take-out device of the present invention is provided in the middle of the trolley conveyor 16. Below, the fourth
The top and bottom board removal device will be described with reference to the drawings and FIG.

The top and bottom plate take-out device 31 is provided with a top plate posture correction device 33 on the exit side (upper side in FIG. 5) on the pedestal 32, and a bottom plate posture correction device 36 on the input side. Each of the posture correction devices 33 and 36 includes a top plate chain conveyor 34 and a bottom plate chain conveyor 37 extending along the top and bottom plate conveyance line 20. The chain conveyor 34 for the top plate is the frame 3
The main plate chain conveyor 37 is located on the exit side of the frame 32, and the main plate chain conveyor 37 is located on the input side of the pedestal 32, and both chain conveyors 34, 37 are separated near the longitudinal center of the pedestal 32 and are independent from each other. The top plate chain conveyor 34 and the bottom plate chain conveyor 37 are each driven by a motor 39 via a variable speed reducer 40 and a chain transmission mechanism 41.

On the pedestal 32, a top plate kicking device 45 is installed on the side near the exit side of the top plate chain conveyor 34, and a bottom plate kicking device 46 is installed on the side near the exit side of the bottom plate chain conveyor 37, which connects the conveyor line 20. They are placed in the center and diagonally facing each other. Each of the kicking devices 45 and 46 includes a bell crank-shaped kicking arm 48 rotatably attached to the pedestal 32 via a horizontal shaft 47. The tip of the kick-out arm 48 faces the conveyance line 20, and the rear end is connected to an air cylinder 49.

Furthermore, a top plate take-out guide 51 and a bottom plate take-out guide 52 are provided on the pedestal 32 at positions facing the protruding arm 48 . The take-out guides 51 and 52 are formed into grooves by the frames 53 and 54, and extend to a top plate conveying device 67 and a bottom plate conveying device 68, which will be described later.

A top plate receiving device 57 and a bottom plate receiving device 58 are provided on the exit side of each take-out guide 51, 52. Each of the receiving devices 57 and 58 includes an L-shaped receiving member 59 that is vertically mounted on the pedestal 32. The receiving member 59 has an arcuate bottom 60 when it stands up, and the take-out guide 5 is attached here.
The top and bottom boards that rolled down 1,52 are now falling down. Further, a rod 64 of an air cylinder 63 is connected to an arm 61 extending from the bottom 60 of the receiving member 59 via a rotation shaft 62. As the air cylinder 63 is driven, the receiving member 59 is rotated forward by approximately 60 degrees from a forwardly inclined position by approximately 60 degrees to a substantially horizontal position. After the top and bottom plates are transferred to the top plate conveying device 67 and the bottom plate conveying device 68, respectively, the receiving member 59 returns to its original position.

As shown in FIG. 2, a top plate conveying device 67 and a bottom plate conveying device 68 extend from the sides of the top and bottom plate take-out device 31 to the temporary fitting device 23, respectively. Further, a top plate positioning device 77 is provided in the middle of the top plate conveying device 67. moreover,
A chain conveyor 69 and idle rollers 70 are provided at the starting point of each conveyor device 67, 68, as shown in FIGS. 4 and 5. The chain conveyor 69 is driven by a motor 71 via a clutch 72, a reduction gear 73, and a gear transmission mechanism 74.

Next, the operation of the top plate take-out device 31 configured as above will be explained.

When the hanger 17 carrying the top plate 2 and the bottom plate 3 is placed in the top and bottom plate take-out device 31, the lower end of the hanger 17 first comes into contact with the bottom plate chain conveyor 37 of the bottom plate posture correction device 36. Since the speed of the main plate chain conveyor 37 is set to be slightly slower than the speed of the hanger 17, the hanger 17 tilts forward (in the same direction as the traveling direction).
Therefore, the upper part of the main plate 3, which was mounted on the hanger 17 at an angle of about 10 degrees backward, moves forward than the lower end.
The body will assume a vertical posture or a posture leaning backwards close to a vertical posture. Then, when the main plate 3 is in this position, the air cylinder 49 of the main plate kicking device 46 is activated, and the kicking arm 48 moves the main plate 3
is kicked out toward the main plate removal guide 52.

The kicked out base plate 3 rolls in the base plate removal guide 52 and reaches the base plate receiving device 58. At this time,
The receiving member 59 is inclined forward at 60° with respect to the horizontal plane. The base plate 3 that has rolled falls onto the arcuate bottom 60 of the receiving member 59 and leans against the surface of the receiving member 59. Then, the receiving member 59 is moved forward by the operation of the air cylinder 63.
The main plate 3 is tilted by 60 degrees and transferred onto the idle roller 70 of the main plate conveying device 68. Then, the chain conveyor 69 is driven to move forward.

The top plate 2 is also taken out following the base plate 3.
In the case of the top plate 2, since the top plate 2 is mounted on the hanger 17 with an inclination of about 10 degrees toward the front, the speed of the top plate chain conveyor 34 of the top plate posture correction device 33 is is made faster than the speed of the hanger 17, so that the kick is made in a slightly backward or vertical position.

Each of the above devices operates automatically under sequence control.

The top plate 2 and the bottom plate 3 taken out from the hanger 17 as described above are transferred to the body 1 on the temporary fitting device 23 by conveying devices 67 and 68, respectively.
transferred to both sides. After being temporarily fitted to both ends of the body 1, the top and bottom plates 2 and 3 are fixed to both ends of the body 1 by being tightened by a seaming device 27.

This invention is not limited to the above embodiments. For example, instead of disposing the kicking devices 45, 46 on both sides of the conveyor line 20, they may be disposed on one side. In this case, the top plate conveying devices 67, 68
will also be placed on one side of the conveyance line 20. The drive device is not limited to an air cylinder or a motor, and a belt conveyor may be used instead of a chain conveyor.

Further, in the present invention, a conveyor is attached below the hanger to correct the posture of the top and bottom plates, but a conveyor may be attached to the side of the hanger to correct the posture.

Furthermore, the removed top and bottom plates do not necessarily need to be transported while being laid flat, and may be transported while standing upright.

[Brief explanation of drawings]

FIG. 1 is a process diagram showing an example of the main parts of the drum manufacturing process, FIG. 2 is a device layout diagram showing an example of drum assembly manufacturing equipment, and FIG. 3 is a perspective view of a hanger of a trolley conveyor that conveys top and bottom plates. FIG. 4 is a front view showing an example of the top and bottom plate removal device of the present invention, and FIG. 5 is a plan view of the device shown in FIG. 4. 1... Drum body, 2... Top plate, 3... Base plate,
16...Trolley conveyor, 17...Hanger,
23...temporary fitting device, 27...sealing device, 31
...Top plate take-out device, 33...Top plate posture correction device, 34...Top plate chain conveyor, 37...
Base plate chain conveyor, 36... Base plate posture correction device, 45... Top plate kicking device, 46... Bottom plate kicking out device, 51, 52... Top plate take-out guide, 57, 58... Top plate receiving device.

Claims (1)

[Claims] 1 Installed in a drum assembly manufacturing facility that has a hanger in which a top plate and a base plate are placed with their outer surfaces facing each other in an umbrella-like position slightly inclined from the vertical position, and a trolley conveyor that suspends the hanger and conveys it in the direction of the plate surface. In the top and bottom plate take-out device, the device extends along the top and bottom plate conveyance line and is provided at intervals in the top and bottom plate conveyance direction, contacts the hanger, and rotates the plate surface vertically or in the direction of movement or in the opposite direction. A top plate posture correcting device and a bottom plate posture correcting device each having a top plate conveyor and a bottom plate conveyor that are driven independently of each other at a speed difference with respect to the trolley conveyor so as to be slightly inclined; A top plate kick-out device and a bottom plate kicker that are provided on the side of the conveyor and spaced apart from each other in the top and bottom plate conveyance direction, and have a kick-out arm that is rotatable in a direction perpendicular to the top and bottom plate conveyance line. A top and bottom plate extraction device characterized by being equipped with a device.