JPH0673839B2 - Punching device - Google Patents

Description

TECHNICAL FIELD The present invention relates to an apparatus for punching a sheet-shaped or plate-shaped product from a large original plate, and in particular, a predetermined number of products punched from the original plate are stocked. The plan is to simplify the counting of products so that they can be taken out in the state.

[Prior Art and Problems Thereof] A cap seal is used in a packaging container for products such as instant coffee and powdered cream in order to ensure hermeticity. This cap seal is manufactured by punching a rectangular original plate of a certain size into a product shape.

Conventionally, for punching this kind of product, a Thomson type punching device is used, or a punching device of a type in which the product is housed and held in a punching die is used. In the former case, since the product is taken out together with the scraps from the punching part, after punching, this is separated into the product and the scraps, and the number of products separated after that is counted. . At present, the separating work and the counting work are performed manually, and these works are very troublesome.

In the latter case, in the punching step, the product can be separated from the product by removing the scraps, so that the separating work is not necessary.
However, even in the case of this type, since the products stocked in the punching die are taken out to the outside of the apparatus in a continuously laminated state, the above counting work is necessary and must be done manually. This was a hassle, and this work was troublesome.

According to the present invention, in such a "a punching device of a type for punching a large number of plate-shaped products (10) (10) from an original plate (1)", the counting work of the plate-shaped products (10) (10) after punching is performed. In order to solve this problem, it is a technical issue to make it possible to take out the plate-shaped products (10) (10) from the punching device section in a state where a fixed number of them are stacked. To do.

[Technical Means] The technical means of the present invention taken in order to solve the above technical problem is that "a punching die (2) is laminated with a plate-like product (10) on a hollow cylindrical portion (21) therein. A punching die of a type to be housed, and the punching die (2) is slidably held by a die holding part (22) which is driven up and down by a drive part (20),
A punching position (P) where the upper surface is in contact with the lower surface of the mold holding section (22) and a product take-out position that escapes from the lower area of the mold holding section (22) in the moving range of the punching mold (2) by the slide. And (N), and an extruding means (3) for extruding the plate-shaped products (10) (10) above or below the punching die (2) at the product take-out position (N). Then, when punching the plate-shaped products (10) (10), the punching die (2) is positioned at the punching position (P), and after punching a predetermined number of sheets, the punching die (2) is moved to the product take-out position (N). It is located so that the pushing means (3) can be operated. ”

[Operation] The above technical means of the present invention operates as follows.

In the punching operation, the punching die (2) is located at the punching position (P) and its upper surface is in contact with the lower surface of the die holding part (22). Therefore, when the mold holding part (22) is driven up and down by the drive part (20), the plate-shaped products (10) (10) are punched out from the original plate (1) and these plates are placed in the hollow cylindrical part (21). The shaped products are sequentially stored and held in a stacked state.

When the number of times of punching reaches a predetermined number, the plate-like products (10) (10) of the same number are stocked in the hollow cylindrical portion (21), at which time the punching operation is stopped and the punching die (2 ) Is moved to the product take-out position (N), and the pushing means (3) operates at a predetermined timing. Then,
The plate-shaped products (10) (1) housed in the hollow cylindrical part (21)
0) will be extruded outside the punching die (2).
When this is taken out of the device, a certain number of plate-shaped products (10)
(10) will be taken out in a laminated state.

[Effects] The present invention having the above-described configuration has the following unique effects.

After the punching is completed, a certain number of plate-shaped products (10) (10) can be taken out from the punching die (2) in a laminated state, which eliminates the conventional counting work of the plate-shaped products (10) (10). , Labor can be saved.

In particular, if the number of stacked layers is set to the number of packing units, the plate-shaped products can be sorted as they are and packed in each packing unit, which is a great advantage in product management.

[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 6.

In this embodiment, the plate-shaped products (10) (10) are extruded onto the upper surface of the punching die (2), and then the plate-shaped products are automatically taken out to the product stock section in the stock state. Is. Further, a large number of punching dies (2) (2) are provided on the set table (23) so that a plurality of plate-shaped products (10) (10) can be punched by one punching operation.

The details of each unit will be described below.

(About punching device) As shown in FIGS. 2 and 3, this punching device has a large number of punching dies (2) and (2) arranged side by side in the lateral direction of the original plate (1) and each punching die (2). Set stand (23) in which the hollow cylindrical part (21) of the above penetrates vertically, and a mold holding part (22) for holding this
And a lifting shaft (24) (24) that supports this mold holding part (22)
And the drive unit (2) that drives the lifting shaft (24) (24) up and down.
0) (20), a belt (25) reciprocating in a punching section sandwiched between the lifting shafts (24) (24), and a bed (26) supporting the belt (25) are provided on the upper surface. It is composed of a base (27), and pulleys (28) (28) provided on both sides of the base (27) allow the belt (25) to intermittently move at a predetermined timing according to the punching operation. There is.

The set table (23) is held on the die holding section (22) by the support bars (29) (29).
(29) projects from the lower surface of the mold holding section (22) in a direction perpendicular to the running direction of the belt (25), and the set table (23) is a pair of pairs which are formed in the axial direction of the support bars (29) (29). I am allowed. The first end of the support bar (29) (29) has a first
As shown in FIG. 5 and FIG. 5, a stopper (S) is provided, and this stopper (S) is supported by the support plates (31) (31) from the side wall of the base (27). Therefore, the position where the setting table (23) is in contact with the stopper (S) is the above-mentioned product taking-out position (N). The set table (23) is the third
Needless to say, the punching position (P) is the position where the upper surface of the die holding portion (22) is in contact with the lower surface of the die holding portion (22) as a whole, as shown in the figure.

In this punching device, when the original plate (1) is placed on the starting point of the belt (25) and put into operation, the belt (25)
Holds the original plate (1) at a predetermined timing with the die holding section (22).
Is intermittently fed to the lower region of the belt, and when the movement of the belt (25) is stopped, the mold holding portion (22) descends, and the plate-shaped product (10) is transferred from the original plate (1) placed on the upper surface of the belt (25). The (10) is punched with a large number of punching dies (2) and (2). Then, the punched plate-like products (10) (10) are housed in the hollow cylindrical portion (21) of each punching die (2). When this operation continues for a predetermined number of times, the plate-like products (10) (10) are stocked in the hollow cylindrical portion (21) of each punching die (2) in the number corresponding to the number of punching.

In the case of this embodiment, the number of the plate-shaped products (10) (10) stocked in each punching die (2) is set to the preset number when a plurality of original plates (1) (1) are punched out. It is set so as to reach, and after punching is completed for one original plate (1), the original plate (1) is subsequently placed on the belt (25) and the punching operation is continued.

The number of times of punching is counted by the counter (C). When the count value of the counter (C) reaches the set number, the operation of the driving unit (20) for driving the punching die (2) up and down stops. , The punching operation is stopped. Then, the next operation for taking out the product proceeds.

(Punching type moving device) As described above, the set table (23) has a pair of support bars (29).
Although it is held on the lower surface of the die holding part (22) by (29), this set table (23) is moved by the air cylinder (4) from the punching position (P) to the product taking-out position (as shown in FIG. 5). The air cylinder (4) has its output shaft (40) advanced at a predetermined timing after the punching operation of the air cylinder (4) is stopped by the output of the counter (C). Further, when the product take-out operation described later is completed, the output shaft (40) returns to return the set table (23) from the product take-out position (N) to the punching position (P).

(Product take-out device) The product take-out device is arranged on the side of the base (27), and as shown in FIG. 4, the pushing-out means (3) provided below the product take-out position (N) and the product take-out position. A plate-like product (10) that is driven forwards and backwards in the upper area of (N) and projects onto the upper surface of the set table (23)
Movable plate (5) for discharging (10) to the outside of the set table (23)
And a transfer belt (6) for transferring the stacked plate-like products (10) (10) discharged by the movable plate (5) to a specific position.

As shown in FIGS. 4 and 5, the pushing-out means (3) is in conformity with the arrangement of a large number of punching methods (2) and (2) on the set table (23) located at the product take-out position (N). Shaft (3
0) (30) substrate (32) equipped with air cylinder (33)
It is designed to be moved up and down by a constant stroke. The air cylinder (33) is attached to the base (2
The board (3) is supported by a bracket (34) projecting from the side wall of (7), and is detected by the output signal of the means for detecting that the set table (23) is located at the product take-out position (N).
2) rises for a certain stroke from its initial position (maximum descent position), and when the upper ends of the shafts (30) (30) coincide with the upper surface of the set table (23), for a certain time (the movable plate (5) described later). (Time until the operation is completed) Stops in the ascending position.

Next, as shown in FIGS. 1 and 4, the movable plate (5) is fixed to the bracket portion (50) connected to one of the support plates (31), and the output shaft (52) of the air cylinder (51) is fixed. ), And a pair of guide shafts (53) (53) provided on the movable plate (5) pass through bosses (54) (54) provided on the bracket portion (50). Therefore, this movable plate (5)
Is driven by a constant stroke by the air cylinder (51) in a posture perpendicular to the upper surface of the set table (23) located at the product take-out position (N). The moving plane of the lower end of the movable plate (5) is aligned with the upper surface of the set table (23) located at the product take-out position (N), and the air cylinder (51) is the pushing means (3).
The whole plate-like product (10) (10) is set by (23)
Output shaft (52) after being pushed onto the upper surface of
The operation timing is set so that the can move to the end of the opposite side of the set table (23) and return.

The transfer belt (6) arranged at the position opposite to the movable plate (5) is arranged so that the upper surface thereof coincides with the upper surface of the set table (23) located at the product take-out position (N). A pulley (61) on the starting point side is provided close to one support plate (31) at the product take-out position (N). In this embodiment, a pulley (61) that drives the transfer belt (6)
The (61) is set to operate for a certain period of time in relation to the operation of the movable plate (5), and the pulley (61) is started at the time when the discharging operation by the movable plate (5) is started, and the plate-shaped product (1
The operation of the pulley (61) is stopped by the output of the detection means (62) for detecting that 0) and (10) match the end portion.

In the embodiment having the above-mentioned configuration, the original plate (1) supplied to the punching section is sequentially punched into the plate-shaped products (10) (10) by raising and lowering the die holding section (22) associated with the operation of the belt (25). It is punched out and stocked in the hollow cylindrical part (21) of each punching die (2), and when the number of punching reaches a set number, a counter (C)
The operation of the mold holding part (22) is stopped by the output of the air conditioner, and then the air cylinder (4) is operated to position the set table (23) at the product take-out position (N), and at this position, the pushing means (3). ) Operation, the plate-shaped products (10) (10) in the hollow cylindrical part (21) are extruded onto the upper surface of the set table (23), and then the movable plate (5) is operated to move the plate-shaped products (10).
(10) is discharged to the transfer belt (6) side. Since the transfer belt (6) is in operation simultaneously with the movable plate (5), the traveling speed of the transfer belt (6) and the movable plate (5) are also increased.
Since the moving speed of the set is almost the same, the set stand (23)
The plate-like products (10) (10) discharged from the upper surface of the sheet are smoothly transferred to the transfer belt (6) in the laminated state.
Then, by the subsequent operation of the transfer belt (6), the transfer belt (6) is transferred to a specific position at the end of the transfer belt (6). When this is detected by the detection means (62), the drive of the pulley (61) is stopped.

A certain number of laminates punched in the punching section by the series of operations described above are formed into a large number of punching dies (2) (2).
The same number as that of the transfer belt (6) is taken out to a specific position at the end portion of the transfer belt (6).

Also, the pushing means (3), the movable plate (5), and the setting table (2)
In 3), the return operation of the corresponding air cylinder causes the return to the initial position at a predetermined timing.

After that, when the above series of operations is repeated, the original plate (1) (1)
Is sequentially supplied to the punching section, the punching operation is automatically stopped at the completion of punching of the set number of sheets, and these can be taken out as a group of a fixed number of laminated bodies.

When the above series of operations is controlled by a computer, each unit may be operated according to the flowchart shown in FIG.

Further, in the above embodiment, as shown in FIGS. 1 and 2, when the pinch roll (7) is provided at the end of the belt (25), the punching of one original plate (1) is completed. The belt (25) idles for a certain stroke at the same time, and at the end of the belt (25) continues to the scrap storage section (70).
Is provided. Therefore, the scraps of the original plate (1) are automatically discharged to the scrap storage section (70) after the punching is completed.

Furthermore, in the above-mentioned embodiment, the extrusion direction of the plate-like products (10) (10) stocked in the hollow cylindrical portion (21) is set to the upper side, and this is moved by the movable plate (5) to the transfer belt (6). )
Although the plate-shaped products (10) and (10) are pushed downward, the transfer belt (6) is placed below the set table (23) located at the product take-out position (N). You may make it arrange | position. In this case, the movable plate (5) is unnecessary, but the transfer belt (6) needs to be specially devised in order to transfer it from the punching die (2) to the transfer belt (6) in the laminated state. There is.

[Brief description of drawings]

1 is a plan view of an embodiment of the present invention, FIG. 2 is a sectional view of a punching section, FIG. 3 is a side view thereof, and FIG. 4 is a sectional view of a portion of an extruding means (3) and a transfer belt (6). Figure, fifth
The figure is a side view of this part, and Fig. 6 is a flow chart showing a control program by a computer. In the figure, (1) ... original plate (10) (10) ... plate product (2) ... punching die ( 20) …… Drive unit (22) …… Mold holding unit (P) …… Punching position (N) …… Product ejection position

Claims (1)

[Claims] 1. A large number of plate-shaped products (10) (1) from an original plate (1)
In a punching device for punching (0), the punching die (2) is a punching die in which the plate-like product (10) is housed in a hollow cylindrical portion (21) inside thereof in a laminated state. 2) is slidably held by a mold holding part (22) which is driven up and down by a driving part (20), and the upper surface of the moving range of the punching die (2) is the mold holding part (22). The plate-like product (10) is set between the punching position (P) facing the lower surface and the product take-out position (N) that has escaped from the lower region of the die holding part (22). Extrusion means (3) for extruding the (10) above or below the punching die (2) is provided, and a plate-shaped product (10) (1)
At the time of punching (0), the punching die (2) is positioned at the punching position (P), and after punching a predetermined number of sheets, the punching die (2) is positioned at the product take-out position (N) to push out the pushing means (3). A punching device designed to operate.