JP2019119121A - Manufacturing device and manufacturing method of straw having diffusion function - Google Patents

Abstract

To solve the problem that there is an invention of a straw having a diffusion function as a straw capable of sucking high temperature hot coffee without a risk of getting burned on the throat and further capable of drinking cold drink such as juice with a deep flavor but the straw has a structure different from an ordinary straw and there is no disclosure about a manufacturing device thereof.SOLUTION: A manufacturing device of a straw having a diffusion function is shown in a figure 4. A plurality of work-pieces (flex straw, etc.) are set in a work cassette, and then, first, a suction port is formed by a boring module 30, then, the tip end part of the straw is heat-pressed by a squeezed part forming module 40 to be flat. Lastly a flat part is bent by a bending module 60 to form a diffusing part, thereby the straw having the diffusion function is manufactured. Further, since each device module of this device is connected with an XY table, full automation is easily realized.SELECTED DRAWING: Figure 4

Description

The present invention relates to an apparatus for producing a straw used when a person drinks coffee, juice or the like from a container such as a cup, and more particularly to an apparatus for producing a straw having a diffusion function and a method for producing the straw.

Straws used for eating and drinking beverages such as juice include straight straws, flex straws with bendable bellows, and stretchable straws with stretchable stretchable parts. The straight straw is produced by melting polypropylene as a raw material of the straw, extruding it from the tip of the die of the extruder into a cylindrical tube, and cutting it into a predetermined length with a cutter. The flex straw is manufactured by using a straight straw as a starting material and forming a bellows having a length of about 10 mm at a predetermined length position from one end of the straight straw by a known bellows forming method. The stretchable straw has a two-layered tube structure, and is assembled by inserting a small diameter inner tube whose end is tapered into an end into a large diameter outer tube whose end is tapered. The inner and outer throttling portions function as locking portions when stretched.
The manufacturing method and manufacturing apparatus of these straws which are distribute | circulating universally are disclosed by patent document 1-3 etc.

Japanese Patent Application Laid-Open No. 10-146899 Tokue 01-051244 Patent No. 3713351

A straw with a diffusing function is a newly invented straw and there is no publication with any disclosure. The straw having the diffusion function is characterized in that a flat diffusion portion is provided at one end of a flex straw, a straight straw, or an expansion / contraction straw, and a suction port is provided at a portion facing the diffusion portion. When a person inserts the straw into the oral cavity and aspirates the liquid beverage, the liquid beverage is aspirated from the suction port, collides with the diffusion part, reflects, scatters, and is uniformly diffused in the oral cavity. That is, the aspirated beverage is distributed substantially uniformly over the entire area of the tongue. For this reason, even if it is a hot beverage, the risk of being burned is much smaller than that of flex straws, straight straws, and stretch straws that are jetted in a concentrated manner, and all the spores that are unevenly distributed in specific parts of the tongue Both touch easily, so you can fully enjoy the taste of the beverage. However, since the straw having the diffusion function is a novel invention, there is no disclosure of the prior art on the production method and the production apparatus.

The invention according to claim 1 is an apparatus for manufacturing a straw having a diffusion function, which is an apparatus including an apparatus module having at least the following three functions (1) to (3).
(1) A cylinder on the circumferential surface of the cylinder from one end of the resin cylinder to a range larger than the dimension T and smaller than twice the dimension T (range of T to 2T shown in FIG. 3B) A drilling module that can pierce the suction port that communicates the inside and the outside of the body.
(2) A squeezed portion forming module which squeezes from one end of the surface of a resin cylinder surface to a dimension T (the range of T shown in FIG. 3C) to form a plate-like squeezed portion
(3) In order to make the diffusion part and the suction port face each other, the end of the crushed part is bent at a predetermined angle (100 to 170 degrees) from the one end at the position of the dimension T (the position shown in FIG. Bending module to form a part. Strictly speaking, the length dimension of the diffusion portion is a dimension obtained by subtracting the width dimension of the folding groove 15 formed by the protrusion 43 (FIG. 10) from T.
In addition, the crushing part formation module and bending module of this invention do not need to be independent separate modules, and are good also as a composite module which has both functions.

The invention according to claim 2 is a straw manufacturing apparatus according to claim 1, wherein the following steps (1) to (3) are sequentially performed to produce a straw having a diffusion function. It is a manufacturing apparatus of the straw which has a function.
(1) The perforation module of the straw manufacturing apparatus is operated, and from one end of the cylinder, the suction port is perforated in the range of dimension T to 2T (see FIG. 3B).
(2) Next, the crushing part forming module of the straw manufacturing device is operated to squeeze the T dimension range from one end of the cylinder to form a plate-like crushing part (see FIG. 3C).
(3) Next, the diffusion portion is formed by bending at a predetermined angle (100 to 170 degrees) so that the plate-like crushed portion faces the suction port at a position of T dimension from one end of the cylindrical body (FIG. 3) See D).
In addition, in the manufacturing apparatus of the straw which has a diffusion function of this invention, it is not necessary to be an apparatus which implements separately the formation process of a plate-like crushing part, and a bending process, forming a plate-like crushing part. At the same time, the device may be a device that performs bending to form the diffusion portion.

In the invention according to claim 3, the perforation module may be any of the following (1) and (2).
(1) A drilling module of a heater rod array having a heater heating function, in which an electric heater attached to the heater rod is energized and heated to raise the temperature of the resin straw to a temperature higher than the melting temperature of the resin straw; The part is abutted against the circumferential surface of the straw, and the resin straw is melted and perforated.
(2) Punching Punching rod array having a punching function, in which punching rods and dies are arranged in an array, a resin straw is inserted between the punching rods and the dies, and punching is performed by a punching operation.

The invention according to claim 4 is an invention of a straw manufacturing method, which is a manufacturing method of a straw having a diffusion function manufactured including at least the following three steps (1) to (3).
(1) From one end of the resin cylindrical body to the peripheral surface of the cylindrical body in a range larger than the dimension T and smaller than twice the size T (range of T to 2T shown in FIG. 3B) Perforate the suction port to let the inside and the outside of the
(2) From one end of the surface of the resin cylinder to the dimension T (the range of T shown in FIG. 3C) is crushed to form a plate-like crushed portion.
(3) In order to maintain the facing of the crush part and the suction port, the crush part is bent at a predetermined angle (100 to 170 degrees) from the one end at a position of the dimension T (the position shown in FIG. Form a part.
In the method for producing a straw having a diffusion function according to the present invention, the step of forming the plate-like squeezed portion and the step of folding do not necessarily need to be performed separately, and are simultaneously bent while forming the plate-like squeezed portion. You may form a diffused part.

The apparatus for producing a straw having a diffusion function and the method for producing a straw having a diffusion function according to the present invention are:
Since multiple straws can be processed at one time using flex straws, straight straws, and stretch straws, production efficiency can be improved. In addition, since the punching module, the squeezing portion forming module, and the bending module can share the pallet for mounting the work, if the work module is first mounted on the pallet by connecting these device modules with an XY table, There is no need to remove it until the final step.
Therefore, automation of the apparatus is easy and high productivity can be achieved. In addition, by adopting a rod-like array having a heater heating function as the punching module, an apparatus that does not produce punching waste can be obtained, and stable quality free from the possibility of mixing of processing waste can be guaranteed.

Appearance of straw with diffusion function Explanation of diffusion function Explanation of manufacturing process Overall view of the straw manufacturing device with diffusion function External view of the melting method drilling module Explanatory drawing of the melting method drilling method Appearance of punching type punching module Illustration of the punching method Appearance of crushing part formation module by crushing An illustration of the crushing method by heat press Appearance of bending module Explanation of bending method by heat press

<Description of straw having diffusion function>
First, the form and function of the straw having the diffusion function manufactured using the straw manufacturing apparatus having the diffusion function of the present invention will be described.
First, the form of the straw 10 having the diffusion function will be described with reference to FIG.
The size of the straw 10 having the diffusion function can be various sizes, and is not limited by the size, but one example will be as follows. The tip end release portion 12 of the straw is a simple circular cut surface, and the outer diameter of the straight portion 11 is 6 mm, the length 210 mm, the thickness 0.16 mm, and the length about 8 mm at a position of about 48 mm from the bending portion 16 The bellows 17 is provided, but the bellows 17 is not essential or may be absent. The length of the diffusion part 14 is about 9 mm, the hole diameter of the suction port 13 is 3 to 5 mm, the dimension between the bent portion 16 and the center of the suction port 13 is about 6 mm, the shape of the suction port 13 is circular, elliptical, triangular It may be in any shape, such as square, star, or any polygon. Further, the number of suction ports 13 is not limited to one, and may be two or more, and the hole diameter of the suction ports 13 is not limited to 3 to 5 mm, and may be 5 to 3 mm. The hole diameter in the case of using a plurality of suction ports may include a size of 3 mm or less.

Next, the function of the straw 10 having the diffusion function will be described with reference to FIG.
When the tip of the straw 10 having the diffusion function is inserted into the oral cavity and suctioned, the liquid beverage is suctioned from the suction port 13 in the suction direction 6, collides with the diffusion portion 14 at the reflection point 7, and scatters in the reflection direction 8. . The scattering at this time is in all directions except the bending portion 16 as shown in the scattering region 5. In addition, the liquid beverage splashed in the splashing area 5 is consequently dispersed almost uniformly over the entire tongue.

<Overall configuration of manufacturing device>
Next, although the manufacturing apparatus of the straw which has a diffusion function is demonstrated using FIG. 3, FIG. 4, the manufacturing apparatus of the straw which has a diffusion function shown here is only one Example, and this invention is limited to this It is not a thing. FIG. 3 illustrates the form of the work which changes with the progress of the manufacturing process of the straw having the diffusion function manufactured by the present manufacturing apparatus, and FIG. 4 shows the entire apparatus including the respective device modules corresponding to each manufacturing process. The configuration of the

First, the configuration and functions of the device of the present invention will be outlined.
In the straw manufacturing apparatus 80 having the diffusion function, the melting method perforation module 30, the crushing part forming module 40, and the folding module 60 are disposed on the apparatus base 74, and these modules are laid on the apparatus base 74 It is connected by the direction rail 73 and the Y direction rail 72. The work cassette 34 carries a work (straw) 19 during processing, moves on the X direction rail 73 and the Y direction rail 72, and carries in and out the work to and from each module. The work 19 is first subjected to drilling processing of the suction port 13 by the melting type drilling module 30 by the control device housed in the control box 71, and then subjected to formation processing of the pressed portion 18 by the pressed portion forming module 40, and finally The bending process of the crushing part 18 is performed by the bending module 60, the diffusion part 14 is formed, and the straw having the diffusion function is finished.

Next, details of work contents in each module will be described.
First, a plurality of works 19 consisting of a flex straw, a straight straw, or a stretchable straw are set in the work cassette 34 with their tips aligned. The setting operation may be performed using an automatic work set machine (not shown) or manually. The work cassette 34 is mounted on an XY table formed of an X direction rail 73 and a Y direction rail 72. The drive of the XY table may be a drive mechanism including a servo motor, an encoder, and a ball screw, a drive mechanism using a linear pulse motor, or a manual mechanism. Next, the work cassette 34 is moved on the Y-direction rail 72 in the direction of the drilling module 30, and the work tip is inserted into the drilling module 30 to form the suction port 13. Details of a method of forming the suction port 13 by the perforation module 30 will be described later.

When the formation of the suction port 13 is completed, the work cassette 34 returns to the original position on the Y direction rail 72, moves to the left on the X direction rail 73, aligns with the crushing portion forming module 40, and stops. Do. Next, the work cassette 34 moves on the Y-direction rail 72 in the direction of the squeezed portion forming module 40, inserts the leading end into the squeezed portion forming module 40, and forms the squeezed portion 18 by heat press. Details of a method of forming the squeezed portion 18 by the squeezed portion forming module 40 will be described later.

When the formation of the crushing portion 18 is completed, the work cassette 34 returns to the original position on the Y direction rail 72, moves on the X direction rail 73 in the left direction, aligns with the bending module 60, and stops. . Next, the work cassette 34 moves on the Y-direction rail 72 in the direction of the bending module 60, inserts the leading end into the bending module 60, bends the squeezed portion 18 by heat press, and forms the diffusion portion 14 to diffuse Complete the straw 10 having a function.
The removal of the completed workpiece 19 from the workpiece cassette 34 may be performed using an automatic workpiece unloader not shown or manually.

<Description of punching module>
The two types of punching modules of the melting type punching module shown in FIG. 5 and the punching type punching module shown in FIG. 7 will be sequentially described.
First, the melting type perforation module of FIG. 5 will be described.
In the melting perforation module 30, a pair of guide columns 36 are erected on both sides of the base 39, and left and right ends of the frame 33 are slidably inserted into the pair of guide columns 36. A spring 37 is telescopically inserted between the base 39 and the frame 33. In addition, a cam 38 is disposed in contact with the frame 33 at the center and upper side of the frame 33. The cam 38 is pivotable by a drive motor (not shown) and cooperates with the spring 37 to raise and lower the frame 33. On the frame 33, a plurality of heater rods 31 in which the heaters 32 are incorporated are attached in an array. The heater rod 31 is easily heated to a temperature equal to or higher than the melting point of the work by energization heating of the heater 32, and is maintained at a set temperature by a temperature controller (not shown).

The number of heater rods 31 attached to the frame 33 in the form of an array is ten in FIG. 5, but may be ten or less than ten. Further, the table 35 is placed on the upper surface of the base 39, and the work cassette 34 is placed on the table 35. The work cassette 34 is provided with a plurality of grooves, and the number of works 19 corresponding to the number of the grooves is lined with the grooves. The work 19 is arranged in the work cassette 34, and as shown in FIG. 6, the upper surface is pressed by the cassette cover 24 so that the work 19 is deformed flat and fixed in the groove. The number of grooves of the work cassette is preferably an integral multiple of the number of heater rods 31 attached to the frame 33, but it need not be limited thereto.

The perforation by the melting method heats the heater rod 31 to the melting point temperature of the work 19 or more, lowers the frame 33 by the rotational drive of the cam 38, and as shown by the broken line in FIG. Is pierced on the upper surface of the workpiece 19 to pierce the surface of the workpiece 19 to form the suction port 13. In FIG. 6, the shape of the heater bar is conical so that the bored shape is circular, but if the bored shape is other than circular, the tip shape of the heater bar should be deformed to have a desired shape. Can.

Next, a punching method punching module will be described with reference to FIGS.
In the punching type punching module 20, guide posts 26 are erected on both sides of the base 29, and left and right ends of the frame 23 are slidably inserted into the guide posts 26. A spring 27 is inserted in an expandable manner between the base 29 and the frame 23. In addition, a cam 28 is disposed in contact with the frame 23 at the center and the upper side of the frame 23. The cam 28 is pivotable by a drive motor (not shown) and cooperates with the spring 27 to raise and lower the frame 23. A plurality of punching punches 21 are attached to the frame 23 in an array.

Each punching punch 21 is paired with a punch die 22 attached to a table 25 placed on the upper surface of the base 29. Further, the work cassette 34 is placed on the table 25 placed on the upper surface of the base 29. The work cassette 34 is provided with a plurality of grooves, and the work 19 of the number corresponding to the number of grooves is fitted in the grooves and arranged. The work 19 is arranged in the work cassette 34, and is pressed at the top by the cassette cover 24 so as to be flattened and fixed in the groove.
In punching by the punching method, as shown in FIG. 8, the punch die 22 is inserted into the work arranged in the work cassette 34, the cam 28 is rotationally driven to lower the frame 23, and the punching punch 21 is punched The surface of the work 19 is pierced to form the suction port 13.

<Description of crushed part forming module>
The implementation method of the crushing part formation module by crushing is demonstrated using FIG. 9,10. The squeezed portion forming module 40 has a pair of left and right guide columns 49 erected on the base 51, and the upper heater holder 55 and the lower heater holder 56 are slidably inserted in the pair of the guide columns 49. A heater (not shown) is incorporated in each of the upper heater holder 55 and the lower heater holder 56, and the upper heat press plate 41 and the lower heat press plate 42 are each maintained at a predetermined set temperature. In the initial state, the upper heater holder 55 and the lower heater holder 56 are separated by a predetermined distance by the extension force of the pair of springs 50. When the apparatus is in the initial state, the work cassette 34 has a region of the dimension T of the tip of the work 19 mounted on the work cassette 34 sandwiched between the upper heat press plate 41 and the lower heat press plate 42. It is slid in the Y direction until it reaches the pressed position.

A pressure spring cylinder 48 is attached to the upper heater holder 55, and an elastic spring (not shown) is inserted in the pressure spring cylinder 48. The upper heater holder 55 is pushed downward by the rotation of the cam 44 directly connected to the motor 45 disposed at the upper portion, and the incorporated elastic spring is compressed to press the upper heat press plate downward with a predetermined pressure. A detection unit 52 is provided above the pressing spring cylinder 48. When the detection unit 52 actuates the bottom dead center switch 47, the motor 45 is stopped, a timer (not shown) is actuated, and the pressed state is maintained for a predetermined time. Ru. During this time, the tip portion (T dimension portion) of the work 19 is maintained in the heat press state. After the lapse of a predetermined time, the motor 45 is reversely driven, the upper heater holder 55 is lifted upward by the extension force of the spring 50, and when the detection unit 52 operates the top dead center switch 46, the motor 45 is stopped and pushed. The formation process of the crushing part 18 by crushing is complete | finished.

Here, the crushing method by the heat press will be described in more detail with reference to FIG. Although omitted in FIG. 9, a pair of upper guide rollers 53 and a lower guide roller 54 are rotatably disposed on the front surface of the upper heat press plate 41 and the lower heat press plate 42. As shown in FIG. 10A, since the distance between the upper guide roller 53 and the lower guide roller 54 is set smaller than the outer diameter of the work 19, the upper heat press plate 41 and the lower part are deformed while the work is flattened. A dimension T is inserted between the heat press plates 42. Further, since the lower heat press plate 42 is provided with the projections 43, the shape after the heat press is such that the folding grooves 15 are formed as shown in FIG. It is molded keeping the angle (0 to 90 degrees) of.

<Description of folding module>
An implementation method of the bending module will be described with reference to FIG. The bending module 60 has a pair of left and right guide columns 69 erected on the base 57, and the upper heater holder 58 and the lower heater holder 59 are slidably inserted into the guide column 69 as a pair. Heaters (not shown) are incorporated in the upper heater holder 58 and the lower heater holder 59, respectively, and the upper heat press plate 61 and the lower heat press plate 62 are maintained at predetermined set temperatures. In the initial state, the upper heater holder 58 and the lower heater holder 59 are separated by a predetermined distance by the extension force of the pair of springs 70. When the apparatus is in the initial state, as shown in FIG. 12A, the tip of the crush 18 is brought into contact with the upper heat press plate 61 to slide the work 19 in the Y direction (arrow direction). At this time, with the work 19 set in the work cassette 34, by sliding the work cassette 34 in the Y direction, it is bent at the folding groove 15 as shown in FIG. The space between the upper heater holder 58 and the lower heater holder 59 intrudes only by T.

A pressure spring cylinder 68 is attached to the upper heater holder 58, and a resilient spring (not shown) is inserted in the pressure spring cylinder 68. The upper heater holder 58 is pushed downward by the rotation of the cam 64 directly connected to the motor 63 disposed at the upper part, and the incorporated elastic spring is compressed to press the upper heat press plate 61 downward with a predetermined pressure. A detection unit 75 is provided on the upper portion of the pressing spring cylinder 68. When the detection unit 75 operates the bottom dead center switch 67, a timer (not shown) is operated to hold the pressed state for a predetermined time, The T-size portion of the tip is heat-pressed in a state where it is bent. After the elapse of a predetermined time, the motor 63 is reversed, and the upper heater holder 58 is lifted upward by the extension force of the spring 70. When the detection unit 75 actuates the top dead center switch 66, the motor 63 is stopped and the bending process by the heat press is completed. FIG. 12C shows a form after completion of the bending process, and shows a completed form of the straw having a diffusion function. Strictly speaking, the length dimension of the diffusion portion 14 is slightly smaller than the dimension T, and is a dimension obtained by subtracting the width dimension of the folding groove 15 formed by the projection 43 from the dimension T.

In a broad sense, the straw includes a narrow-sense straw used in ordinary eating and drinking, a cup with a suction tube for infants, and a drinking straw for handicapped persons who use soup or liquid food for eating and drinking That is, there is a straw in a broad sense. The straw manufacturing apparatus of the present invention can be a straw having a diffusion function by providing a diffusion portion at the tip of the broad-range straw inserted in the oral cavity. Therefore, using the straw manufacturing apparatus of the present invention, it is possible to manufacture a straw having a diffusion function even for a broad-based straw.

5 scattering area 10 straw having diffusion function 13 suction port 14 diffusion part 15 folding groove 16 bending part 18 crushing part 19 work (straw)
Reference Signs List 20 punching type punching module 30 melting type drilling module 31 heater rod 32 heater 34 work cassette 36 guide support 37 spring 38 cam
40 Crushed part forming module 41 upper heat press plate 42 lower heat press plate
43 projection 46 top dead center switch 47 bottom dead center switch 48 pressing spring cylinder 49 guide post 50 spring 52 detection unit 53 upper guide roller 54 lower guide roller 55 upper heater holder 56 lower heater holder 60 bending module 71 control box 72 Y direction rail 73 X Direction Rail 80 Production Equipment for Straw with Diffusion Function

Claims (4)

A suction port for letting the inside and the outside of the cylinder communicate with the peripheral surface of the cylinder located in a range larger than a predetermined dimension T from one end of the resin cylinder and smaller than twice the dimension T A drilling module to be formed,
A squeezed portion forming module that squeezes from the one end of the cylindrical body to the dimension T to form a flat plate-shaped squeezed portion;
A bending module that bends the cylindrical body to form a diffusion portion so as to maintain the facing of the crushed portion and the suction port;
An apparatus for producing a straw having a diffusion function, comprising: The manufacturing apparatus of the said straw,
First, the suction port is formed on the circumferential surface of the cylinder by the perforation module,
Next, the one end of the cylinder is crushed by the crushing part forming module to form a flat crushing part,
Next, in the bending module, the squeezed portion of the cylinder is bent at a predetermined angle so as to face the suction port to form a diffusion portion,
The straw manufacturing apparatus having a diffusion function according to claim 1, wherein a straw having a diffusion function is manufactured. The diffusion module according to any one of claims 1 and 2, wherein the punching module is a conical heater rod array having a heater heating function or a punching rod array having a punching function. Straw manufacturing device with functions. A suction port for letting the inside and the outside of the cylinder communicate with the peripheral surface of the cylinder located in a range larger than a predetermined dimension T from one end of the resin cylinder and smaller than twice the dimension T Drilling process to be formed;
A forming step of squeezing from the one end of the cylinder to the dimension T to form a flat plate-like squeezed portion;
A bending step of bending the cylinder to form a diffusion portion so as to maintain the crush portion and the suction port facing each other;
A method of producing a straw having a diffusive function, comprising: