JPH0322090Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to a coin wrapping machine that automatically stacks a predetermined number of coins and wraps them with a wrapping sheet. This invention relates to a crimping claw for a coin packaging machine that wraps the upper and lower circumferential edges.

[Conventional technology]

Generally, in this type of coin packaging machine, a pair of crimping claws face each other and approach each other in the vertical direction, and wrap the peripheral edge of the packaging sheet wound around the peripheral side of the stacked coins. The rolled-up portion of the packaging sheet was held down by the tip of the crimping claw located inside the edge. Therefore, in order to reliably wrap the peripheral edge of the packaging sheet, it is important that the packaging sheet reliably follow the folded portion bent into a substantially U-shape.

[The problem that the idea aims to solve]

However, the folded portion of the conventional crimping claw is constituted by a cylinder bent into a substantially U-shape, and the packaging sheet is guided along the side surface of the cylinder. For this reason, when packaging with a packaging sheet that has poor conformability, the area of the packaging sheet that contacts the side surface of the cylinder is small, so the packaging sheet cannot be accurately guided to the top of the folded part of the crimping claw, and the packaging sheet The circumferential edges of the coins were crushed or folded, resulting in incomplete packaging, which caused problems such as unwrapping and scattering of coins.

This invention reliably guides the packaging sheet to the top of the folded part by providing an introduction part that protrudes from the base of the folded part of the crimping claw and has a substantially concave depression on the surface that contacts the packaging sheet. The purpose of the present invention is to provide a tightening claw for a coin packaging machine.

[Means to solve the problem]

In order to achieve the above object, the present invention provides a coin wrapping machine that is equipped with a coin wrapping unit that wraps a wrapping sheet around the circumferential side of a stack of coins, and that wraps the upper and lower circumferential edges of the wound wrapping sheet. The crimping claw has a folded part bent into a substantially U-shape, and the edges of the upper and lower circumferential edges of the packaging sheet are gradually bent at the base of the folded part, and the crimping claw is folded back. An introduction part is provided at the top of the part, and this introduction part protrudes in a substantially triangular shape in a plan view toward the packaging sheet to be introduced into the crimping claw, and has an inner surface that extends around the packaging sheet. It is a recess with an arcuate cross section so as to touch the surface.

[Effect]

According to the crimping pawl having the above configuration, the inner surface of the introduction portion that protrudes toward the packaging sheet introduced into the crimping pawl has a sufficiently large contact area and comes into contact with the circumferential surface of the packaging sheet. Since the packaging sheet is reliably guided to the top of the folded portion while preventing irregular deformation, the peripheral edge of the packaging sheet can be reliably rolled up, and the accumulated coins can be completely wrapped.

That is, if it does not have the above-mentioned introduction part (the root part does not protrude toward the packaging sheet side),
If the packaging sheet is warped outward from the U-shaped folded part, the shape of the sheet changes suddenly between the position immediately before the folded part and the folded part, which may cause abnormal deformation such as crushing. may occur. On the other hand, when the introduction part is provided, the upper and lower circumferential edges of the packaging sheet are guided gradually inwardly from the far side of the folded part, and the guidance range extends to the folded part. By increasing , the sheet shape is prevented from changing suddenly and abnormal deformation is prevented.

〔Example〕

FIG. 1 shows a schematic structure of the entire internal mechanism of a coin packaging machine equipped with a crimping claw according to the present invention, and FIG. 2 shows a structure of an accumulating packaging device 9 provided in the coin packaging machine.
In Fig. 1, 1 is a hopper into which coins (not shown) are thrown, 2 is a belt conveyor that sends coins to a rotary disk 3, which will be described later, and the rotary disk 3 uses centrifugal force to move coins to predetermined locations around the rotary disk 3. It is something to send out.
4 is a coin passage, and this coin passage 4 is connected to the rotary disk 3.
Coins sent out from surrounding predetermined locations are passed through the coin passage 4.
Coins are fed out one by one to a chute 6 via a feeding belt 5 provided opposite to the coins. The coin passage 4 also includes a counting mechanism (not shown).
However, when a predetermined number of coins is counted, the coin feeding is interrupted. 7 is a packaging sheet roller that feeds out the packaging sheet 8; 9 is a stacking and packaging device to which coins sent out from the coin passage 4 are supplied. In this embodiment, the integrated packaging device 9
This doubles as a coin accumulating section and a coin wrapping section, and the crimping claw of the present invention is installed as a part of the structure of the coin wrapping section. Said integrated packaging device 9
As shown in FIG. 2, a pair of main rollers 10, 11 having a vertical width longer than the height of the predetermined number of coins stacked together, and guide rollers 13, 14 around which a belt 12 is stretched, A packaging sheet 8 is introduced between a coin storage chamber 15 for accumulating and packaging coins, backup rollers 16 and 17 that regulate the concave shape of the coin storage chamber 15, and the main rollers 10 and 11, It is comprised of an open part 18 for wrapping the packaging sheet 8 around the circumferential side of the accumulated coins.

FIG. 3 shows the structure of one embodiment of the crimping claw of the present invention. In the figure, 19a and 19b are a pair of crimping claws 20a and 20b (hereinafter simply referred to as crimping claws 20).
These supports 19a and 19b (hereinafter simply referred to as supports 19)
The crimping pawl 20 is normally kept at the retracted position, and when the packaging sheet 8 is crimped, it is moved horizontally to a position facing the top and bottom of the coin storage chamber 15, and then moved vertically to a predetermined crimping position. ing.

4 and 5 show a plan view and a front view of the crimping claw 20, and the crimping claw 20 is bent into a substantially U-shape,
Folding part 2 for wrapping around the peripheral edge of the packaging sheet 8
1, a tip portion 22 for pressing down the wrapped portion of the packaging sheet 8, and a tip portion 22 provided at the root portion of the folded portion 21, by gradually bending the upper and lower circumferential edges of the packaging sheet 8. It is composed of an introduction section 23 that guides the guide to the top. This introduction part 23
protrudes in a substantially triangular shape in plan view toward one side corresponding to the packaging sheet introduction side, and has an inner surface 2
3a is recessed with an arcuate cross section so as to be in contact with the circumferential surface of the packaging sheet 8.

Next, the operation of the crimping claw 20 to wrap and wrap the packaging sheet 8 will be explained using FIGS. 6, 7, 8, and 9. First, a predetermined number of coins are stacked in the coin storage chamber 15, and the packaging sheet 8 fed out from the packaging sheet roller 7 is placed in the open part 18.
The belt 12 is driven by the rotation of the main rollers 10 and 11.
The stacked coins are also rotated by the belt 12, and a wrapping sheet 8 is wound around the circumferential side of the coins. At this time, as shown in FIG. 6 and FIG. It is fixed to the support body 19 in such a state that the side edge can be aligned with the introduction part 23, and is moved to a predetermined crimping position. Then, the circumferential edge of the packaging sheet 8 is folded into the folded part 2 along the recessed inner surface 23a of the introduction part 23 as the accumulated coins are wound around the circumferential side.
As shown in FIG. When the supporting body 19 is pressed inside the circumferential edge and further moves downward as shown in FIG. 9, the rolled up portion is further rolled inside the circumferential edge, and the accumulated coins are wrapped. . In addition, in the above-mentioned operation, the support body 1
9 and the crimping pawl 20 are described as one, but the operations of the other support body 19 and the crimping pawl 20 can be similarly explained.

In this way, the packaging sheet 8 is guided along the substantially concave surface of the introduction part 23 to the tip part 22 via the top of the folded part 21.
The circumferential edges of can be securely rolled inward, thus completely enclosing the coin stack.

Note that the structure of the stacking and packaging section is not limited to the above embodiment. For example, the stacking section and the packaging section may be formed separately, and the packaging section may be configured using three rollers, and the structure between the rollers may be formed separately. It may be of a structure in which the packaging sheet is wound while rotating the stack of coins placed in the area.

[Effect of idea]

In the present invention, the base of the folded part of the crimping claw protrudes in a substantially triangular shape in plan view toward the packaging sheet introduced into the crimping claw, and the inner surface thereof is in contact with the circumferential surface of the packaging sheet. By providing a recessed introduction part with an arcuate cross section, the packaging sheet can be guided accurately to the top of the folded part of the crimping claw, so even though it has a simple structure, it is possible to avoid packaging sheets that have poor conformability. Even when the packaging sheet is wrapped, the upper and lower peripheral edges of the packaging sheet can be reliably wrapped, preventing incomplete packaging such as unwrapping and scattering of coins, and increasing the speed of packaging.

[Brief explanation of the drawing]

Fig. 1 is a schematic structural diagram of the entire internal mechanism of a coin packaging machine equipped with a crimping claw of the present invention, Fig. 2 is a structural diagram of an accumulating packaging device installed in the coin packaging machine, and Fig. 3 is a schematic diagram of the entire internal mechanism of a coin packaging machine equipped with a crimping claw of the present invention. 4 and 5 are structural diagrams of an embodiment of the tightening claw, and FIGS. 6 and 7 are a plan view and a front view of the tightening claw.
8 and 9 are diagrams for explaining the operation of winding up the packaging sheet by the main crimping claws. 8... Packaging sheet, 9... Accumulating packaging device (coin wrapping section), 20... Clamping claw, 21... Folding section, 2
2...Tip part, 23...Introduction part.

Claims (1)

[Scope of utility model registration request] It is a tightening claw of a coin wrapping machine that is installed in a coin wrapping section that wraps a wrapping sheet around the circumferential side of accumulated coins, and wraps the upper and lower circumferential edges of the wrapped wrapping sheet, and is approximately U-shaped. It has a bent folded part,
An introduction part is provided at the base of the folded part to gradually bend the upper and lower circumferential edges of the packaging sheet and guide it to the top of the folded part of the crimping claw, and this introduction part
It is characterized by protruding in a substantially triangular shape in plan view toward the packaging sheet introduced into the crimping claw, and having an inner surface recessed in an arcuate cross-section so as to be in contact with the peripheral surface of the packaging sheet. The tightening claw of the coin wrapping machine.