JP3149721U - Hanging paper molding machine - Google Patents

Abstract

The present invention provides a hanging paper molding machine capable of attaching a stable fold to a hanging paper covering an upper portion of a container such as a bottle cap, and without worrying about damaging the hanging paper. SOLUTION: A plurality of first molding blades 4 that reciprocate between a first deployment position 41 and a first closed position along an outer peripheral surface 2b of a fixed mold 2, a second deployment position 51, and a fixed A plurality of second molding blades 5 that reciprocate between the second closed position folded along the outer peripheral surface 2b of the mold 2 cooperate with each other to mold the hanging paper P. [Selection] Figure 2

Description

  The present invention relates to a paper-sheet forming machine that preliminarily folds a paper sheet covering an upper part of a container such as a bottle cap.

  2. Description of the Related Art Conventionally, in the case of bottled sake or boiled seaweed, for the purpose of decorating the container or protecting the bottle cap, the bottle cap is covered with a hanging paper and the periphery is bound with a string. When this operation is performed manually, there is a problem that the length and shape of the hanging paper that hangs down from the upper surface of the bottle cap to the side of the container, and therefore a hanging paper folding device that can obtain a constant appearance shape has been proposed. (For example, refer to Patent Document 1).

  The above-mentioned folding paper folding device moves the convex pressing plate downward to a plurality of locations along the outer periphery of the upper surface of the bottle cap on which the hanging paper is placed, and generates radial folds by pressing the hanging paper, The ring-shaped narrowing means is moved downward so as to surround the outer periphery of the pressing plate, thereby narrowing the hanging paper along the outer periphery of the bottle mouth. According to this, the hanging paper can be woven into a certain shape without taking labor cost and time.

JP-A-4-215990

  By the way, in order to fold the hanging paper neatly, it is necessary to increase the folding margin as it goes downward from the bottle cap, that is, as it approaches the peripheral edge of the hanging paper. A fold is formed only in the vicinity of the upper surface of the bottle cap with the push plate, and only the ring-shaped narrowing means is moved downward below it. There is a problem that the eclectic is conspicuous and the appearance is not good.

  In addition, since both the pressing plate and the narrowing-down means are intended to make the hanging paper placed on the bottle mouth lid exclusively along the outer periphery of the bottle mouth, the sliding resistance at that time must be large. For this reason, it is easy to damage the cover paper, and the cover paper may be torn depending on how it is narrowed down. For this reason, there is a problem that the material used for the cover paper must be limited to a material that is difficult to break or the degree of narrowing down must be suppressed, and the appearance must be sacrificed in this respect as well.

  In view of such circumstances, the present invention can provide a hanging paper molding machine that can attach a stable fold to the hanging paper covering the upper part of the container such as a bottle cap and that does not cause damage to the hanging paper. Objective.

The invention of claim 1 is a hanging paper molding machine that folds the hanging paper for covering the upper part of the container. (2) and move up and down so as to approach and separate from the fixed mold (2), and at its lowest position, the lower end (3a) pushes against the upper end (2a) of the fixed mold (2). The cylindrical movable mold (3) sandwiching the hanging paper between the fixed mold (2) and the outer peripheral surface (3b) of the movable mold (3) at a plurality of positions set at equal intervals by contact. A plurality of petal-shaped bodies pivotally supported at the root portion (4a), and in a state where the fixed mold (2) and the movable mold (3) are pressed against each other above the fixed mold (2) tatami folding first deployed position to deploy radially and (4 _1), set along the outer peripheral surface of the frustoconical (2b) The first closed position (4 ₂₎ and the plurality of first molding vanes reciprocating rotation (4) in the vertical direction between the, in the peripheral edge of the upper portion (2a), said first adjacent in the circumferential direction A plurality of petal-shaped bodies in which the root portion (4a) is pivotally supported at a plurality of positions corresponding to the center position between the molding blades (3), and radially below the first deployment position (4 ₁ ). second deployed position to deploy the (5 ₁₎ and, between the outer peripheral surface of the frustoconical (2b) and the folded second closing position folded to the cover one molding blade (4) (5 ₂₎ And a plurality of second molding blades (5) that reciprocate between them.

The invention of claim 2 is characterized in that the first elastic body (41) provided between the first mold blade (4) and the fixed mold (2) so as to be repelled to the first deployment position (4 ₁ ). ), And the movable mold (3) is inserted into a first outer cylinder (6) that moves in a vertical direction relative to the movable mold (3). 4) The first outer cylinder (6) relatively moves downward to resist the biasing force of the first elastic body (41) at the lower end (6a) of the first outer cylinder (6). _{2. The} paper-sheet forming machine according to claim 1, wherein the paper-sheet forming machine is pushed down and pivoted to the first closed position (42).

The invention of claim 3, wherein the second molding blades (5), the second deployed position (5 ₁₎ splashed As can be raised to the second elastic member provided between said movable mold (3) ( 51), the first outer cylinder (6) is inserted into the second outer cylinder (7) that slides relative to the first outer cylinder (6) in the vertical direction, The lower outer side of the second outer cylinder (7) is generally provided with an outer peripheral surface (2b) having a truncated cone shape and an inner peripheral surface (8a) having a conical surface along the folded first molded blade (4). tubular pressing member (8) is provided, the second mold blade (5), the first closed position by said first molded blade (4) said first outer cylinder (6) (4 ₂ ), The second outer cylinder (7) relatively moves downward, and the pressing member (8) biases the second elastic body (51). The paper-sheet forming machine according to claim 2, wherein the paper-sheet forming machine is pushed down to the second closed position (5 ₂ ).

  According to a fourth aspect of the present invention, the pressing member (8) is provided with a backlash in the vertical direction with respect to the second outer cylinder (7), and a cut (8b, 8c) extending in the vertical direction is formed. 4. The paper-sheet forming machine according to claim 3, wherein the paper-sheet forming machine is provided.

  According to the hanging paper molding machine according to the present invention, the hanging paper is sandwiched between the fixed mold (2) and the movable mold (3), and the first is closed along the outer peripheral surface (2b) of the fixed mold (2). Because the forming paper (4) is folded at several positions in the circumferential direction, and the other parts are folded by the second forming blade (5) that is closed so as to overlap the first molding blade (4). Compared to the above conventional paper folding device that forms folds only near the upper surface of the bottle cap, an excellent effect is ensured that a large fold is ensured and a beautiful fold with a fixed shape can be stably attached. Can be played.

  In addition, in the hanging paper molding machine according to the present invention, the first and second moldings that rotate downward rather than simply squeezing and narrowing the hanging paper with a ring-shaped member as in the conventional folding paper folding device. Since it is made to fold with the blades (4, 5), the sliding paper is not subjected to a large sliding resistance, and therefore a clear folding line is formed without worrying about scratching or tearing of the hanging paper. be able to.

The perspective view which shows the bottle cap covered with the folding paper folded by the hanging paper molding machine which concerns on this embodiment. FIG. 4 is a cross-sectional view showing a paper-sheet molding machine according to the present embodiment, and shows a state where a first molding blade and a second molding blade are deployed. FIG. 2 is a cross-sectional view showing a paper-sheet molding machine according to the present embodiment, and shows a state in which first molding blades are closed from the state shown in FIG. 1. FIG. 3 is a cross-sectional view showing a hanging paper molding machine according to the present embodiment, and shows a state in which a second molding blade is closed from the state shown in FIG. 2. The perspective view which shows only the fixed type | mold and 2nd shaping | molding blade | wing of the hanging paper molding machine which concerns on this embodiment. FIG. 3 is a perspective view showing a state in which the hanging paper is sandwiched between the fixed mold and the movable mold of the hanging paper molding machine according to the present embodiment. The perspective view which shows the halfway state which the 1st shaping | molding blade | wing of the hanging paper molding machine which concerns on this embodiment rotates downward toward a closed position from a deployment position. The perspective view which shows the state which the 1st shaping | molding blade | wing of the hanging paper molding machine which concerns on this embodiment reached the closed position. The perspective view which shows the state which the 2nd shaping | molding blade | wing of the hanging paper molding machine which concerns on this embodiment reached the closed position. The perspective view which shows the state of the fixed mold | type after a folding paper is folded, and the 2nd shaping | molding blade | wing in the hanging paper molding machine which concerns on this embodiment. The perspective view which shows the press member with which the 2nd outer cylinder of the hanging paper molding machine which concerns on this embodiment is equipped. The figure which shows the hanging paper folded by the hanging paper molding machine which concerns on this embodiment.

  A cover paper molding machine 1 according to the present embodiment will be described with reference to the drawings. 6 to 9, the description of the second outer cylinder 7, the pressing member 8 and the like is omitted for easy understanding of the operation of the sheet-forming machine 1.

(Catch paper molding machine 1)
As shown in FIG. 1, the paper forming machine 1 according to the present embodiment covers the bottle cap that is the upper part of the container of the bottle B, and sets the paper wrapper P bound by the string S on the bottle cap. As shown in FIGS. 2 to 10, the mold 2 is mainly molded in advance. As shown in FIGS. 2 to 10, the fixed mold 2 and the movable mold 3 approaching and separating in the vertical direction with respect to the fixed mold 2 are mainly used. The petal-shaped first molded blades 4 disposed at equal intervals along the outer peripheral surface 3b of the movable mold 3, and the petal-shaped second molded blades disposed at equal intervals on the periphery of the upper end of the fixed mold 1 5 is provided.

  Furthermore, the movable mold 3 is inserted into the first outer cylinder 6 that moves relative to the movable mold 3 in the vertical direction and pushes down the first molding blade 4 at the lower end 6a. The second outer cylinder 7 is inserted into the second outer cylinder 7, which slides relative to the outer cylinder 6 in the vertical direction and pushes down the second molding blade 5 with a pressing member 8 provided at the lower end 7 a. Is provided with a generally cylindrical pressing member 8 having a conical inner peripheral surface 8a.

(Fixed mold 2)
As shown in FIGS. 2 to 10, the fixed mold 2 has a frustoconical outer peripheral surface 2 b at the upper part, and the upper end 2 a is the upper part of the container B covered with the hanging paper P (the bottle cap). (Outer diameter) is formed to be substantially the same diameter, and four (a plurality of) second molded blades 5 are arranged at equal intervals along the periphery of the upper end portion 2a and supported so as to be vertically rotatable. . Therefore, as shown in FIG. 5, a groove 2 c is formed along the periphery of the upper end portion 2 a as a space for rotating and supporting the root portion 5 a of the second molding blade 5.

(Movable type 3)
As shown in FIGS. 2 to 4, the movable die 3 has a lower end 3a formed in a cylindrical shape having a slightly smaller diameter than the upper end 2a of the fixed die 2. As shown in FIG. On the outer peripheral surface 3b, the second molded blades 5 are arranged such that the four (plural) first molded blades 4 are located at a position corresponding to the center position in the circumferential direction between the second molded blades 5 described above. Is arranged with the angle shifted by 45 degrees in the circumferential direction, and is supported so as to be rotatable in the vertical direction. On the cylindrical outer peripheral surface 3b, a groove 3c is formed as a space for pivotally supporting the root portion 4a of the first molding blade 4.

  The movable mold 3 is moved up and down together with the outer cylinder 6 by a driving device (not shown) so as to approach and separate from the fixed mold 2, and as shown in FIGS. When the portion 3 a is pressed against the upper end portion 2 a of the fixed mold 2, the hanging paper P is held so as to be sandwiched between the fixed mold 2. The lower surface of the movable die 3 is urged so as to protrude downward by a compression spring 31a, and when it is pressed against the upper end 2a of the fixed die 2, the movable die 3 resists the urging force of the compression spring 31a. A plunger 31 housed in 3 is provided.

(First molding blade 4)
The first molded blades 4 are four petal-shaped bodies disposed at predetermined intervals (90 degrees) along the outer peripheral surface 3b of the movable mold 3, and each root portion 4a thereof is along the outer peripheral surface 3b. A rotary shaft 4b fixed in the formed groove 3c is supported so as to be able to rotate up and down, and in a state where the fixed mold 2 and the movable mold 3 are pressed against each other, the first is developed radially above the fixed mold 2. Reciprocating rotation between one unfolding position 4 ₁ (FIGS. 2 and 6) and a first closed position 4 ₂ (FIGS. 3, 4, and 8) folded along the frustoconical outer peripheral surface 2b. To do. Incidentally, the first deployed position 4 ₁ is defined by the first molding blade 4 abuts the lower end 6a of the first outer cylinder 6.

The axis about the pivot shaft 4b for supporting the first molding blade 4, as it acts on the movable die 3 and the first molded blade 4, flipping the first molded blade 4 to the first deployed position 4 ₁ A torsion coil spring (first elastic body) 41 to be urged is provided. As shown in FIG. 3, the first molded blade 4 moves the first elastic body 41 at the lower end 6 a of the first outer cylinder 6 as the first outer cylinder 6 moves downward relative to the movable mold 3. depressed against the biasing force, pivots to the first closed position 4 _2. Here, Kakeshi P, as shown in FIG. 7, in the middle of the lower pivot of the first molded blade 4 is pressed against the second molding blade 5, first molded blade 4 is in the first closed position 4 ₂ When it reaches (FIG. 8), the second molding blade 5 is pushed down slightly.

(Second molding blade 5)
The second molded blades 5 are four petal-shaped bodies provided along the periphery of the upper end 2 a of the fixed mold 2, and at the center position between the first molded blades 4 adjacent in the circumferential direction in the movable mold 3. The first molding blade 4 is disposed at a position shifted by 45 degrees in the circumferential direction so as to come to a corresponding position. As shown in FIG. 5, the second molding blade 5 can be rotated up and down by a rotation shaft (not shown) in which each base portion 5 a is fixed in a groove 2 c formed along the periphery of the upper end portion 2 a. are supported, the second deployed position 5 ₁ expand from the first deployed position 4 ₁ radially below _(FIGS. 2, 5, 6) and the outer peripheral surface 2b and folded first molded frustoconical It reciprocates between the second closed position 5 ₂ (FIGS. 4 and 9) folded so as to cover the blades 4. Incidentally, the second deployed position 5 ₁ is defined by a chain 52 which connects the tip of the fixed mold 2 and the second molding blades 5.

Around the axis of the rotation shaft supporting the second molded blade 5, with acts on the fixed die 2 and the second molded blade 5, so flip up the first molded blade 5 to the second deployed position 5 ₁ A torsion coil spring (second elastic body) 51 is provided. The second molding blade 5 is a second pressing member 8 provided at the lower end 7 a of the second outer cylinder 7 by the second outer cylinder 7 moving downward relative to the movable mold 3 and the first outer cylinder 6. depressed against the urging force of the elastic body 51, as shown in FIG. 4, rotated to the second closed position 5 _2. Here, Kakeshi P, as shown in FIG. 9, when the second molded blade 5 reaches the second closed position 5 _2, to be folded into a shape along the conical surface shape of the fixed mold 2 Become.

(First outer cylinder 6)
The first outer cylinder 6 is a cylindrical body provided with an insertion hole 6b that opens on the lower end 6a side, and the movable mold 3 is inserted into the insertion hole 6b so that the first outer cylinder 6 slides relative to the movable mold 3 in the vertical direction. The movable die 3 is supported by a compression coil spring 61 interposed between the movable die 3 and the movable die 3 so as to protrude downward. Further, a stopper (not shown) is provided between the movable mold 3 and the first outer cylinder 6 so that the movable mold 3 does not fall out of the first outer cylinder 6. Therefore, the first outer cylinder 6 can be moved up and down together with the movable mold 3. When the movable mold 3 is pressed against the fixed mold 2, the first outer cylinder 6 moves downward with respect to the movable mold 3. As described above, the first molding blade 4 is pushed down at the lower end 6a.

  A slide ring 6d for partitioning the first fluid chamber 7c and the second fluid chamber 7d formed between the first outer cylinder 6 and the second outer cylinder 7 described later is integrally provided on the outer peripheral surface 6c. A first fluid path 6e and a second fluid path 6f are formed above and below the slide ring 6d so that the first fluid chamber 7c and the second fluid chamber 7d communicate with a fluid suction / discharge device (not shown). The first outer cylinder 6 and the second outer cylinder 7 slide relative to each other in the vertical direction by supplying fluid (air) from the fluid suction / discharge device and discharging fluid (air) to the fluid suction / discharge device.

(Second outer cylinder 7)
The 2nd outer cylinder 7 is a cylindrical body provided with the insertion hole 7b penetrated by the up-down direction, Comprising: By making the 1st outer cylinder 6 penetrate the insertion hole 7b, the movable type | mold 3 and the 1st outer cylinder 6 The first fluid chamber 7c and the second fluid chamber 7d formed between the first outer cylinder 6 and the first fluid chamber 7d are capable of sliding relative to each other in the vertical direction. It moves relative to the outer cylinder 6 in the vertical direction. Specifically, the second molded blade 5, when causing downward pivoted toward the second deployed position 5 ₂ shown in FIG. 4 from the position shown in FIG. 3, to shrink the first fluid chamber 7c, second fluid The chamber 7d is expanded.

  The second outer cylinder 7 is provided with a generally cylindrical pressing member 8 having a conical inner peripheral surface 8a on the inner periphery on the lower end side of the insertion hole 7b. The second outer cylinder 7 holds the pressing member 8 with a rib 7e protruding in the inner diameter direction of the insertion hole 7b so that it does not come out downward, while the pressing member 8 is pressed against the second molding blade 5 to react with it. When this occurs, a vertical play 7f (FIGS. 2 and 3) is formed so that the second outer cylinder 7 can escape slightly upward.

(Pressing member 8)
As shown in FIG. 11, the pressing member 8 is a substantially cylindrical member that is open at both the upper and lower sides, and the lower side is expanded in a flask shape so that a conical inner peripheral surface 8 a (FIG. 2). To FIG. 4), and cuts 8b and 8c extending in the vertical direction and having a predetermined width in the circumferential direction are formed. The notch 8b extends from the upper end of the pressing member 8 to slightly before the lower end, while the notch 8c extends from the lower end of the pressing member 8 to slightly closer to the upper end, and these notches 8b and 8c are mutually in the vertical direction. And are alternately formed in the circumferential direction.

  Therefore, when the pressing member 8 is strongly pressed against the fixed mold 2 and the second molding blade 5, the notches 8b and 8c expand in the circumferential direction, so that the pressing member 8 expands in diameter. ing. This diameter expansion action, combined with the above-described relief by the backlash 7f, prevents an unreasonable force from being applied to the hanging paper P. An annular portion 8d is formed on the outer peripheral surface of the pressing member 8 so as to be engaged with the rib 7e so that the pressing member 8 is held so as not to come out downward with respect to the second outer cylinder 7. Yes.

(Making of hanging paper P by the hanging paper molding machine 1)
When molding the hanging paper P by the hanging paper molding machine 1, first, the first outer cylinder 6 that supports the movable mold 2 with the hanging paper P placed on the upper surface 2 a of the fixed mold 2 is not shown. (For example, the telescopic air cylinder) is moved downward. As a result, as shown in FIGS. 2 and 6, the hanging paper P is sandwiched and fixed between the fixed mold 1 and the movable mold 2.

Next, when the first outer cylinder 6 is further moved downward by the driving means, the lower end 6a of the first outer cylinder 6 is pressed against the first molding blade 4, as shown in FIG. 3 and FIG. first molded blade 4 is pushed down to the first closed position 4 _2. As a result, the first molding blade 4 is in a state of pressing the hanging paper P against the outer peripheral surface 3 b of the fixed mold 2.

The first fluid chamber 7c is contracted by discharging the fluid from the first fluid chamber 7c through the first fluid path 6e by a fluid suction / exhaust device (for example, an intake / exhaust pump device) (not shown), while the second fluid By supplying fluid to the chamber 7d via the first fluid path 6f, the second fluid chamber 7d is expanded, and the second outer cylinder 7 is moved downward as shown in FIG. Thus, the pressing member 8 provided on the lower side of the second outer cylinder 7, depress the second molded blade 5 at the inner peripheral surface 8a of the conical surface shape to a second closed position 5 _2, as shown in FIG. 9 The folding paper P is completely folded.

Finally, by reverse flow of fluid through the fluid intake device, it returns the second molded blade 5 to a second deployed position 5 _1, by further retracting the second outer tube 7 (movable mold 3) upwards, in FIG. 10 As shown, the hanging paper P with the crease is left on the fixed mold 2. Incidentally, the second molded blade 5, in order to be returned by the second elastic member 51 to the first deployed position 5 _1, by maintaining the adsorption force by the vacuum chuck or the like, to catch the Kakeshi P Second molding blade 5 Instead, it can be taken out with the crease attached as shown in FIG.

  In addition to the above, the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made without departing from the gist of the present invention.

DESCRIPTION OF SYMBOLS 1 Hanging paper molding machine 2 Fixed type | mold 3 Movable type | mold 4 1st shaping | molding blade 5 2nd shaping | molding blade 6 1st outer cylinder 7 2nd outer cylinder 8 Pressing member

Claims (4)

In the hanging paper molding machine that folds the hanging paper to cover the upper part of the container,
A fixed mold (2) having a truncated cone shape in which an upper end (2a) is formed to have substantially the same diameter as the upper part of the container;
By moving up and down so as to approach and separate from the fixed mold (2), the lower end (3a) presses against the upper end (2a) of the fixed mold (2) at the lowest position, thereby A cylindrical movable mold (3) sandwiching a hanging paper with the fixed mold (2);
A plurality of petal-shaped bodies whose roots (4a) are pivotally supported at a plurality of positions set at equal intervals on the outer peripheral surface (3b) of the movable mold (3), the fixed mold (2) and In a state where the movable mold (3) is pressed, the first deployment position (4 ₁ ) radially deploying above the fixed mold (2) and the frustoconical outer peripheral surface (2b). A plurality of first molded blades (4) that reciprocate in the vertical direction between the first closed position (4 ₂ ) to be folded;
On the periphery of the upper end portion (2a), a plurality of petals whose root portion (5a) is pivotally supported at a plurality of positions corresponding to the center position between the first molded blades (4) adjacent in the circumferential direction. A second developed position (5 ₁ ) which is a shape body and expands radially below the first developed position (4 ₁ ), the frustoconical outer peripheral surface (2b), and the folded first molded blade A plurality of second molding blades (5) that reciprocate between the second closed position (5 ₂ ) folded so as to cover (4). The first molding blade (4) is urged by a first elastic body (41) provided between the fixed mold (2) so as to be repelled to the first deployment position (4 ₁ ). ,
The movable mold (3) is inserted into a first outer cylinder (6) that moves in a vertical direction relative to the movable mold (3),
The first molded blade (4) has a lower end (6a) of the first outer cylinder (6) of the first elastic body (41) by the relative movement of the first outer cylinder (6) downward. _{2. The} sheet forming machine according to claim 1, wherein the sheet forming machine is pushed down against an urging force and rotates to the first closed position (4 ₂ ). The second molded blade (5) is urged by a second elastic body (51) provided between the movable mold (3) so as to be repelled to the second deployed position (5 ₁ ). And
The first outer cylinder (6) is inserted into a second outer cylinder (7) that slides relative to the first outer cylinder (6) in the vertical direction,
The lower outer side of the second outer cylinder (7) is generally provided with an outer peripheral surface (2b) having a truncated cone shape and an inner peripheral surface (8a) having a conical surface along the folded first molded blade (4). A cylindrical pressing member (8) is provided;
The second molded blade (5) is formed in a state where the first molded blade (4) is pushed down to the first closed position (4 ₂ ) by the first outer tube (6). by 7) is relatively moved downward, to said second elastic member by a pressing member (8) (pushed down against the biasing force of 51), rotated to the second closing position (5 ₂₎ The hanging paper molding machine according to claim 2, wherein:   The pressing member (8) is provided with backlash in the vertical direction with respect to the second outer cylinder (7), and is formed with cuts (8b, 8c) extending in the vertical direction. The paper-sheet forming machine according to claim 3.

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