JPH0635024B2 - Method and apparatus for manufacturing separate can body - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method for manufacturing a separate can body used for a food container and a manufacturing apparatus therefor.

(Prior Art) Conventionally, as a manufacturing apparatus for a separate can body used for a food can container having a low can body height in a three-piece can, as shown in FIG. 7 and FIG. The turret, a holding portion c for circumferentially spacing the peripheral portion of the turret a and penetrating in the axial direction of the turret a, and for holding the can body b formed with the opened peripheral edge in a recumbent state, and the turret a. A cutting device equipped with a cutter d that can be inserted laterally into a can body b that is moved by a holding part c and that cuts the can body a in its circumferential direction; and an outer side along the circumferential direction of the turret a. It is known that the cutter guide e is provided at a predetermined distance from the position, and the conveying path h is provided with a branch-shaped short g for feeding the divided can bodies f. Then, in order to manufacture a separate can body, a can body b having a plurality of can body lengths is laid down and held by a holding portion c of a turret a, a cutter d is inserted into the can body b, and the cutter d is inserted into the can body b. While pressing the inner surface of the can body b while rotating, the outer surface of the can body b is brought into contact with the cutter guide e, cut circumferentially with the cutter d, and divided into left and right to form each can body f. In the recumbent state, each can body f is laid down, and the conveying path h is provided with a branched gut having a step i as shown in FIG. 8A, or inclined downward to both sides as shown in FIG. 8B. The sheet is divided into left and right parts and sent out to a conveyance path h having a short g having a surface j.

However, in the apparatus having the above-described structure, the divided can bodies f are laid sideways and divided into right and left and sent out to the conveying path g. It is necessary to join the can bodies f conveyed from the above and to arrange the can bodies f in a tandem state. Accordingly, if the timings of joining the respective can bodies f are not correct, there is a problem that the can bodies f come into contact with each other and damage the outer surface, and the conveying path h provided with the branch short g of the apparatus for manufacturing a separate can body f.
There is a disadvantage in that a confluence aligning device for the can body f must be disposed between the device and the subsequent can body processing device.

(Problems to be Solved) The present invention solves the above-mentioned conventional inconveniences, cuts a can body having a plurality of can body lengths in an upright state, and smoothly and efficiently does not damage each divided can body. It is an object of the present invention to provide a method and a device that can often be delivered in a column.

(Means for Solving Problems) The present invention has been made in order to solve the above problems, and the first invention is a method for manufacturing a separate can body, which includes a can body having a plurality of can body lengths. Move in the standing state, cut this moving can body in the standing state to form each divided and stacked can body, then hold only the upper can body when moving the divided and stacked can bodies Then, the lower can body is advanced, and when the lower can body moves, the holding of the upper can body is released to move.

A second invention is an apparatus used for manufacturing the separate can body of the first invention, in which a can body having a plurality of can body lengths is cut in a circumferential direction by a cutter, and the can bodies which are divided and formed are sequentially sent out in tandem. A horizontally rotating turret, and a first holding portion for holding a can body formed by opening the rim while having a circumferentially spaced peripheral edge of the turret and penetrating in the axial direction thereof. And a second holding part, a space part formed by cutting off a part of the upper part of the peripheral part of the turret between the holding parts and connecting the two holding parts, and a can body moved by the first holding part of the turret. A cutting device that can be inserted into the can body and that cuts the can body in its circumferential direction, a cutter guide provided at an outer position along the circumferential direction of the turret, and a first holding portion of the turret. Provided above the position Characterized in that it consists of a holding device that holds the cross-sectional been barrel upwards.

(Example) The present invention will be described below with reference to the drawings.

1 to 5 show one example of a manufacturing apparatus used for carrying out the manufacturing method of the present invention.

In the drawings, (1) is a turret, (2) is a cutting device, (3) is a cutter guide, and (4) is a holding member.

The turret (1) rotates in a horizontal direction, and as shown in FIGS. 1 and 2, it is circumferentially spaced on its peripheral edge (5) and axially downward from above. A first holding part (6) and a second holding part (7) having an arcuate cross-section and formed so as to penetrate therethrough and open at the periphery. Further, only the upper part of the peripheral part (5) of the turret (1) between the first holding part (6) and the second holding part (7) is cut off to connect the two holding parts (6) (7). A space (8) was formed. Therefore, a protrusion (9) is formed below the space (8). Then, a can body having a plurality of can body lengths formed of a metal thin plate material such as a tin-free steel plate, a tin plate, etc. and formed in a tubular shape with both end openings by a can body forming machine ( The first holding portion (6) is held in an upright position so that the first holding portion (6) moves in the direction of rotation as the turret (1) rotates.

As shown in FIG. 3, the cutting device (2) is provided so that it can be inserted into the can body (10) which is held and moved by the first holding portion (6) of the turret (1), and the can body (10) is provided on the top thereof. ) Is cut in the circumferential direction to divide the can body (10) into upper and lower parts to form a can body (11), and a cutter (12) is provided, each first holding portion (6) of the turret (1). The cutting device (2) was arranged at the corresponding lower position of (1).

The cutter guide (3) is provided at a predetermined distance from the turret (1) at an outer position along the circumferential direction of the turret (1). When the cutting device (2) is inserted into the can body (10) from one end to the other along the lengthwise direction of the inner wall surface (13) of the cutter guide (3) as shown in FIG. A groove (14) is provided at a corresponding position of the cutter (12).

The holding device (4) is, as shown in FIGS. 1, 4 and 5, an upper can of the can bodies (11) cut by the cutter (12) of the cutting device (2) and divided by stacking. Only the body (11a) is adsorbed and held upward, and when the lower can body (11b) moves as the turret (1) rotates, the upper can body (11a) is released. Holding member consisting of
(15) and the upper can barrel (11a) rotate at very high speed (eg 2
A can guide member (16) made of an elastic material such as polyurethane rubber for surely guiding and adsorbing to the upper suction holding member (15) without lateral wobbling or overturning in the turret (1) at 50 rpm), The guide member (17) guides the upper can body (11a) whose holding is released to the second holding portion (7) of the turret (1). And holding device (4)
The suction holding member (15) of the turret (1) is arranged above the position where the first holding portion (6) passes, and the can guide member (16) is a cutter guide corresponding to the suction holding member (15). Inner wall surface of (3) (13)
The guide member (17) is placed in the gap between the turret (1) and the cutter guide (3), and one end of the guide member (17) is connected to the suction holding member (15). , The other end side is arranged in a tilted state facing downward.

Next, the operation of the manufacturing apparatus of the present invention will be described.

First, as shown in FIG. 6A, a can body (10) having a plurality of can body lengths from a supply turret (18) (in the illustrated example, a can body body (11) of a three-piece can having a length twice as long as that of the can body body (11). (Which it has) is supplied to the turret (1) to be held upright in the first holding portion (6), and the cutter (2) of the cutting device (2) is placed in the lower opening (19) of the can body (10). 12) Insert.

Then, as shown in FIG. 6B, the cutter (12) of the cutting device (2)
While pressing the inner surface of the can body (10), the outer surface of the can body (10) is brought into contact with the inner wall surface (13) of the cutter guide (3), and the turret (1) rotates and the cutter (12). The can body (10) is cut in the upright state in the circumferential direction by the rotation of and is divided into stacked states to form an upper can body (11a).

Then, as shown in the right side of FIG. 6C, when the divided and stacked can bodies (11) move with the rotation of the turret (1), they are above the position where the first holding part (6) passes. Only the upper can barrel (11a) of each can barrel (11) is attracted by the magnetic force of the suction holding member (15) of the holding device (4) provided while being guided upward by the can guide member (16). And suction holding member (15) as shown in FIG.
And the can guide member (16). In the meantime
Since (1) is rotating, the lower can body (11b) is held by the first holding part (6), that is, the first holding part (6) and the turret (1), as shown in phantom in FIG. It is advanced while being sandwiched by the projecting portion (9) formed below the space portion (8). At this time, the upper barrel (11a) rotates in the space (8) of the turret (1) as shown in phantom in FIG.
The suction holding member (15) and the can guide member (16) are held in the retracted state without contacting the (1) and the protrusion (9).

When the lower can body (11b) moves, the second holding part (7)
The rear wall (7a) abuts the upper can body (11a),
By the rotation of (1), the upper can body (11a) is pushed out and the holding is released, and as shown on the left side of FIG. 6C, it is guided along the lower surface of the guide member (17). 2 holding part (7)
Be guided to. Further, following the lower can barrel (11b) that has been forwarded as the turret (1) rotates, the upper can barrel (11a) is sequentially sent out in a tandem state by the carry-out turret (20).

Thereafter, the can bodies (10) are cut in the upright state in the order as described above, and the cut can bodies (11) are sequentially sent out in a tandem state.

At this time, since the horizontally rotating turret (1) is provided with the first holding portion (6) for holding and moving the can body (10) in the upright state, the can body () of the cutting device (2) is provided. The cutting of 10) can be done in the standing state, and each can barrel (11) cut and divided
It is possible to move in synchronism with the rotation of the turret (1) while maintaining the stacked state.

Further, since the holding device (4) is arranged above the position where the first holding portion (6) of the turret (1) passes, each of the can bodies (11) cut and stacked is held by the holding device (4). ), The upper can barrel (11a) of each can barrel (11) is laterally shaken or laid down by the suction holding member (15) of the holding device (4) and the can guiding member (16). Without fail, the upper can barrel (11a) is securely held in a stable state and the lower can barrel (11b) is
And is forwarded by the first holding part (6). And the first holding part (6) and the second holding part of the turret (1)
Since the space (8) communicating with (7) is formed, the upper can barrel (11a) is moved upward by the holding device (4) until the lower can barrel (11b) has finished moving. Turret while being held (1)
You can evacuate in the space (8) without this contacting. When the lower can body (11b) is moved and finished, the holding device (4) is released so that the upper can body (11a) is held.
Lower can body guided by the guide member (17) of (4) and being forwarded
The second holding part (7) can smoothly feed the can body (11b) below in succession in succession in tandem without contacting the (11b).

Further, as in the conventional case, the can body (10) is cut in a recumbent state,
Also, since it is not necessary to divide the divided can bodies (11) into two directions and then merge them again, it is not necessary to rearrange the can bodies (11) in a tandem state, so that the moved can bodies (11) are moved. Since each can barrel (11) can be delivered efficiently, it can be performed at a high speed without damaging the can.

(Effect of the invention) As described above, according to the present invention, in the method for manufacturing a separate can body of the first invention, the can body having a plurality of can body lengths is moved in an upright state, and the moving can body is placed in an upright state. Formed into each divided and stacked can barrel, then when moving each divided and stacked can barrel, hold only the upper can barrel upwards, forward the lower can barrel, and lower the can barrel Since the upper can barrel is released when the barrel is moved, the can barrel can be easily cut and divided, and the divided can barrels can be fed in parallel without damage. There is an effect that can be.

The apparatus for manufacturing a separate can body of the second invention is formed by a horizontally rotating turret and a peripheral edge portion of the retlet which is circumferentially spaced and penetrates in the axial direction and has the peripheral edge opened. A first holding portion and a second holding portion that hold the can body in an upright state, a space portion that connects the holding portions formed by cutting off a part of the upper portion of the peripheral portion of the turret between the holding portions, and the turret. Cutting device provided with a cutter that is insertable into the can body moved by the first holding part and that cuts the can body in the circumferential direction, and a cutter provided at an outer position along the circumferential direction of the turret. The guide and the holding device for holding the cut can body provided above the position where the first holding portion of the turret passes through. Accordingly, since the first holding portion is provided on the peripheral portion of the horizontally rotating turret, the can body can be moved in the upright state by the first holding portion, and each of the divided can bodies is cut to be stacked. You can do it. In addition, the first part on the periphery of the turret
Since the holding portion, the second holding portion, and the space portion between both holding portions are provided, and the holding device is provided above the position where the first holding portion passes, the upper can of the divided and stacked can barrels. Since the barrel can be held upward by the holding device and retracted in the space, the lower can barrel can be quickly advanced, and if the upper can barrel is released, it can be moved by the second holding part. Therefore, there is an effect of providing a manufacturing apparatus for a separate can barrel that can feed each of the cut and divided can barrels in order in a tandem, smoothly and efficiently without damaging them.

[Brief description of drawings]

FIG. 1 is a plan view showing an example of an embodying apparatus of the present invention, and FIG. 2 is a perspective view in which a turret used in the embodying apparatus is partially cut away.
FIG. 3 is a diagram for explaining the cutting of the can body, FIG. 4 is a perspective view showing a combined state of the turret and the holding device used in the embodying device, and FIG. 5 is a V-V line cutting diagram of FIG. FIG. 6 is a schematic view for explaining the manufacturing process, FIG. 7 is a side view for the conventional apparatus, and FIG. 8 is a schematic view for explaining a method for delivering the cut can bodies. (1) …… Turret, (2) …… Cutting device (3) …… Cutter guide, (4) …… Holding device (5) …… Peripheral part, (6) …… First holding part (7) …… Second holding part, (8) …… Space part (10) …… Can body, (11) …… Can body (11a) …… Upper can body, (11b) …… Lower can body (12 ) ...... Cutter

Claims (3)

[Claims] 1. A can body having a plurality of can body lengths is moved in an upright state, the moving can body is cut in the upright state to be formed into divided and stacked can bodies, and then divided and stacked. When moving the can body, only the upper can body is held upward, the lower can body is postponed, and when the lower can body moves, the holding of the upper can body is released to move. And a method for manufacturing a separate can body. 2. A device in which a can body formed by cutting a can body having a plurality of can body lengths in a circumferential direction with a cutter and sequentially delivering the can bodies that are divided and formed in a row is horizontally rotated, and a peripheral portion of the turret. A first holding part and a second holding part that hold a can body formed with a circumferential edge open and having a peripheral edge open, while keeping a space in the circumferential direction.
A space part formed by cutting off a part of the upper part of the turret between the holding parts to connect the holding parts, and a can that can be inserted into the can body moved by the first holding part of the turret. A cutting device provided with a cutter for cutting the body in the circumferential direction, a cutter guide provided at an outer position along the circumferential direction of the turret, and a cutting provided above a position where the first holding portion of the turret passes. And a holding device for holding the formed can body upward. 3. A holding device comprising: an adsorption holding member for adsorbing the can body upward due to a magnetic force; and a can guide member for guiding a can body which is adsorbed by the adsorption holding member and moves upward. An apparatus for manufacturing a separate can body according to claim 2.