JPH1058397A - Device for punching handle hole in bag made of synthetic resin film - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accurately punch a handle hole in a bag formed out of a synthetic resin film. SOLUTION: An upper fixed wedge receiving member 1 is fastened to an upper machine body 2, and a lower movable wedge receiving member 3 having upper surface 3a not in parallel with the lower surface of the upper fixed wedge receiving member 1 is provided on the vertical guide shaft 4 of the upper machine body 2, so as to be movable downward against an upward resetting force. A punching blade 5 is fitted to the lower surface 3b of the lower movable wedge receiving member 3 and a wedge member 6 is provided between the lower surface of the upper fixed wedge receiving member 1 and the upper surface of the lower movable wedge receiving member 3 over a non-parallel area in such a state as inserted in space between both of the members 1 and 3. Also, a receiving blade 7 is provided at a position adjacent to the synthetic resin film rest 9 of a lower machine body 8 for gearing with the punching blade 5 on the lower surface of the lower movable wedge receiving member 3, upon the descent thereof. Then, the wedge member 6 is moved toward a small gap over a non-parallel area between the lower surface of the upper fixed wedge receiving member 1 and the upper surface of the lower movable wedge receiving member 3, thereby moving down the lower movable wedge receiving member 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for forming a hole for a handle in a bag made of a synthetic resin film to which a product is put in a store or the like.

[0002]

2. Description of the Related Art Conventionally, as a device for forming a hole for a handle in a synthetic resin film bag, dozens of synthetic resin film bags manufactured by the bag making device are stacked and an oval shaped bag is formed on the handle portion. A device that presses a punching blade, that is, a Thomson blade or a mold blade, and drills an oval-shaped handle hole at a time has become mainstream.

[0003]

Conventionally, a device for forming a handle hole in a bag made of synthetic resin film is required separately from the bag making device, so that the line of the bag making device becomes longer.
Dozens of synthetic resin film bags are stacked and an oval-shaped punching blade is pressed into the handle to punch an oval-shaped handle hole at a time, so the upper synthetic resin film bag and the lower The synthetic resin film bag was misaligned at the position where the handle hole was drilled.
Therefore, an object of the present invention is to provide a device for accurately forming a hole for a handle in a handle portion of a bag made of a synthetic resin film and improving the durability of a punching blade.

[0004]

According to the present invention, in order to achieve the above object, an upper fixed wedge receiving member 1 is fixed to an upper body 2 at predetermined intervals vertically, and an upper surface 3a has an upper fixed wedge receiving member. A lower movable wedge receiving member 3 non-parallel to the lower surface 1a of the member 1 is provided on a vertical guide shaft 4 provided on the upper body 2 so as to be movable in a downward direction against an upward returning force. A punching blade 5 is provided on the lower surface 3b of the lower movable wedge receiving member 3, and the lower surface 1a and the lower movable portion of the upper fixed wedge receiving member 1 are non-parallel between the upper fixed wedge receiving member 1 and the lower movable wedge receiving member 3. A wedge member 6 is slidably inserted and provided between the upper surface 3a of the wedge receiving member 3 and
When the lower movable wedge receiving member 3 descends, its lower surface 3b
A receiving plate 7 which is in pressure contact with the punching blade 5 provided in the lower body 8 is provided adjacent to the synthetic resin film receiving table 9 of the lower body 8, and the lower surface 1a of the upper fixed wedge receiving member 1 and the upper surface 3a of the lower movable wedge receiving member 3 are provided. The lower movable wedge receiving member 3 is moved down by moving the wedge member 6 in a non-parallel narrow interval direction between the two. It is a device to be installed.

A vertically elongated hole 6a is provided at the center of the wedge member 6, and a scrap puncture needle 10 is inserted into the elongated hole 6a.
The upper and lower sliding wedge receiving members 1 are provided with a vertical sliding rod 11 at the lower end thereof. The wedge member 6 is connected to one of the crank mechanisms 12 to move the wedge member 6, and the lower movable wedge receiving member 3 is lowered so that the punching blade 5 provided on the lower surface 3b thereof and the receiving plate 7 are pressed into contact with the synthetic resin film D. The other crank mechanism 13 for driving the vertical sliding rod 11 so as to stab a scrap generated when a handle hole is formed and drop it downward is used as the vertical sliding rod 11.
This is an apparatus for forming a hole for a handle in a synthetic resin film bag connected to the apparatus.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a partial cross section of the apparatus of the present invention.
a fixed wedge receiving member having a slide bearing 1a 'fixed on the lower surface 1a, and a thrust bearing 3a'
Is a lower movable wedge receiving member disposed at a predetermined interval in a non-parallel manner with the lower surface 1a of the upper fixed wedge receiving member 1 having the thrust bearing 1a '. Slide bearings 14 provided on the fuselage 2,
14 is fixed to the lower ends of vertical guide shafts 4, 4 slidably provided on the upper end of the vertical guide shafts 4, 4 and protrudes upward from the slide bearings 14, 14.
The coil springs 16, 16 are contracted between the slide bearings 15 and the slide bearings 14, and the lower movable wedge receiving member 3 is urged to move upward.
A punching blade 5 is provided at b.

Reference numeral 6 denotes a wedge which is slidably inserted in a non-parallel narrow direction between the lower surface 1a of the upper fixed wedge receiving member 1 and the upper surface 3a of the lower movable wedge receiving member 3 and in the opposite direction. A vertically long hole 6a is provided in the center of the wedge member 6, and a vertical sliding rod 11 inserted into the long hole 6a and having a scrap piercing needle 10 at the lower end is provided on the upper body 2. The slide bearing 17 is provided slidably up and down. Reference numeral 7 denotes a receiving plate which comes into pressure contact with the punching blade 5 provided on the lower surface 3b when the lower movable wedge receiving member 3 is lowered, and is provided adjacent to the synthetic resin film receiving base 9 fixed to the lower body 8. I have.

The wedge member 6 has one crank mechanism 12
Arm 12a fixed to the lower end of a rotating shaft 19 rotatably supported by a bearing 18 provided on the upper body 2 constituting
Is connected via a connecting rod 12b.
The upper end of the vertical sliding rod 11 having a scrap piercing needle 10 at the lower end for dropping the scrap after the handle hole is formed in the synthetic resin film bag is connected to the other crank mechanism 1.
3 is rotatably connected to one end 13c of a swing arm 13b rotatably supported by a support shaft 13a, and the other end 13d of the swing arm 13b.
, One end of a connecting rod 13e is rotatably connected, and the other end of the connecting rod 13e is rotatably supported at an eccentric position of an input sprocket 13f fixed to an upper end of the rotary shaft 19. The input sprocket 13f is driven by a chain 20 connected to a drive source (not shown).

FIG. 2 is a schematic diagram showing a synthetic resin film bag manufacturing system provided with an apparatus A for forming a handle hole in the synthetic resin film bag of the present invention, and B is a tube-shaped synthetic resin film. D is a roll on which C is wound, C is a drive roll for drawing out a tube-shaped synthetic resin film D, E is an adjusting roll device for changing the position of a handle hole formed in the device A in the flow direction, F is a tube-shaped Is a drive / delivery device for intermittently feeding the synthetic resin film D of a designated size, G is a cutting device for cutting individual synthetic resin films into bags, and H is a welding device.

Next, the operation of the device A for forming a handle hole in a synthetic resin film bag of the present invention will be described. The tubular synthetic resin film D drawn from the roll B
Is mounted on a tubular synthetic resin film receiving table 9 of a device A for punching a hole in a synthetic resin film bag through a driving roll C and a guide roll C ', and intermittently stops moving. I do. During this stop, the one crank mechanism 12 causes the wedge member 6 to move the non-parallel narrow space between the lower surface 1a of the upper fixed wedge receiving member 1 and the upper surface 3a of the lower movable wedge receiving member 3. The lower movable wedge receiving member 3 is moved by the coil spring 16,
16, and the punching blade 5 provided on the lower surface of the lower movable wedge receiving member 3 is
Is pressed against the receiving plate 7 with the tube-shaped synthetic resin film D drawn out from it being interposed therebetween to form a hole for a handle. The scrap punched out at the time of drilling the handle hole is a vertically sliding rod 1 descending by the other crank mechanism 13.
1 is pushed down by a scrap piercing needle 10 provided at the lower end.

[0011]

According to the first aspect of the present invention, there is provided an apparatus for forming a handle hole in a bag made of synthetic resin film as described above, that is, an upper fixed wedge support is provided at predetermined intervals vertically. The member is fixed to the upper body, and the lower movable wedge receiving member, the upper surface of which is not parallel to the lower surface of the upper fixed wedge receiving member, is pressed against a vertical guide shaft provided in the upper body by an upward return force. A lower surface of the lower movable wedge receiving member, a punching blade is provided on a lower surface of the lower movable wedge receiving member, and a non-parallel lower surface of the upper fixed wedge receiving member between the upper fixed wedge receiving member and the lower movable wedge receiving member. A wedge member is slidably inserted between the lower movable wedge receiving member and the upper surface of the lower movable wedge receiving member. A lower surface of the upper fixed wedge receiving member and a lower movable wedge provided adjacent to the synthetic resin film support of the body. By moving the wedge member into non-parallel closely spaced direction between the upper surface of the member, a large hitting 抜力 and extensive parallelism of the punching blades is obtained.

Further, the apparatus for perforating a handle in a bag made of synthetic resin film according to a second aspect of the present invention is as described above, that is, a vertically long hole is formed in the center of the wedge member. A vertically sliding rod having a scrap piercing needle at the lower end thereof in the elongated hole, and a non-parallel narrow space direction between the lower surface of the upper fixed wedge receiving member and the upper surface of the lower movable wedge receiving member and vice versa. In order to move the wedge member in the direction, the wedge member is connected to one of the crank mechanisms, and the lower movable wedge receiving member is lowered so that a punching blade provided on the lower surface thereof and a receiving plate are pressed against the synthetic resin film to form a handle hole in the synthetic resin film. The other crank mechanism for driving the vertical sliding rod is connected to the vertical sliding rod so that the scrap generated when drilling the hole is pierced and dropped downward. The scrap that was punched out Is Tsukiotosa surely downward by scrap piercing needle provided at the lower end of the vertical sliding rod descending by the other crank mechanism, there is an advantage that not mixed into the product.

[Brief description of the drawings]

FIG. 1 is a partially sectional side view of an apparatus for forming a hole for a handle in a synthetic resin film bag of the present invention.

FIG. 2 is a schematic diagram showing a system for manufacturing a synthetic resin film bag provided with a device for forming a handle hole in the synthetic resin film bag of the present invention.

[Explanation of symbols]

 Reference Signs List 1 upper fixed wedge receiving member 1a lower surface 1a 'thrust bearing 2 upper body 2a upper frame 3 lower movable wedge receiving member 3a upper surface 3a' thrust bearing 3b lower surface 3c through hole 4 vertical guide shaft 5 punching blade 6 wedge member 6a long hole 7 Receiving plate 8 Lower body 9 Synthetic resin film receiving stand 10 Scrub piercing needle 11 Vertical sliding rod 12 Crank mechanism 12a Arm 12b Connecting rod 13 Crank mechanism 13a Support shaft 13b Swing arm 13c One end 13d Other end 13e Connecting rod 13f Input sprocket 14 Slide bearing 15 Flange 16 Coil spring 17 Slide bearing 18 Bearing 19 Rotary shaft 20 Chain A Device of the present invention B Roll C Guide roll C 'Guide roll D Tubular synthetic resin film E Adjust roll device F Drive delivery device Installation G Cutting device H Welding device

Claims (2)

[Claims] 1. An upper fixed wedge receiving member (1) is fixed to an upper body (2) at predetermined intervals above and below, and an upper surface (3a) has a lower surface (1a) of the upper fixed wedge receiving member (1). A lower movable wedge receiving member (3), which is not parallel to the upper body (2), is provided on a vertical guide shaft (4) provided on the upper body (2) so as to be movable in a downward direction against a returning force in an upward direction; A punching blade (5) is provided on a lower surface (3b) of the lower movable wedge receiving member (3), and a non-parallel upper portion between the upper fixed wedge receiving member (1) and the lower movable wedge receiving member (3). A wedge member (6) is slidably inserted and provided between the lower surface (1a) of the fixed wedge receiving member (1) and the upper surface (3a) of the lower movable wedge receiving member (3). When the member (3) descends, the receiving plate (7) which comes into pressure contact with the punching blade (5) provided on the lower surface (3b) of the member (3) receives the tubular synthetic resin film receiving member of the lower body (8). The wedge is provided adjacent to (9) in a non-parallel narrow space direction between the lower surface (1a) of the upper fixed wedge receiving member (1) and the upper surface (3a) of the lower movable wedge receiving member (3). An apparatus for perforating a handle in a synthetic resin film bag, wherein the lower movable wedge receiving member (3) is lowered by moving the member (6). 2. A vertical sliding rod (11) having a vertically long hole (6a) in the center of the wedge member (6), and a scrap piercing needle (10) at the lower end in the long hole (6a). Is established,
The wedge member (6) is moved in a non-parallel narrow space direction between the lower surface (1a) of the upper fixed wedge receiving member (1) and the upper surface (3a) of the lower movable wedge receiving member (3) and vice versa. The wedge member (6) is connected to one of the crank mechanisms (12) for movement, and the lower movable wedge receiving member (3) is lowered to provide a punching blade (5) and a receiving plate (7) provided on its lower surface (3b). The other crank mechanism (13) for driving the vertical sliding rod (11) so as to stab and drop a scrap generated when a gripping hole is formed in the tubular synthetic resin film D by pressure contact with the other. 2. The apparatus according to claim 1, wherein a handle hole is formed in the synthetic resin film bag.