KR20220026450A - Disposable meal tool made of paper and manufacturing apparatus and method thereof - Google Patents

Abstract

Disclosed is a manufacturing apparatus of a disposable eating utensil of a paper material. According to the present invention, the manufacturing apparatus comprises: a Thomson cutting unit cutting a paper material to create a forming target on the inside of a cutting line, wherein a cutting blade is not installed in a portion corresponding to one end of a handle of the forming target; a forming unit performing a press process on the forming target to form a longitudinal sidewall on both sides of a base of the handle and form a plurality of ribs on a bowl unit and the base of the handle to create an eating utensil forming body; and a cutting and discharging unit cutting a connection unit connecting the eating utensil forming body and the material to create a finished eating utensil. According to the present invention, an eating utensil of a paper material with excellent durability while having a three-dimensional shape similar to traditional spoons, forks, and knives can be provided. Also, according to the present invention, a very smooth processing surface of an eating utensil made of a paper material such as a spoon, a fork, and a knife can be processed, and user satisfaction can be greatly increased by preventing fine dust from being produced from cutting surfaces.

Description

Disposable meal tool made of paper and manufacturing apparatus and method thereof

The present invention relates to eating utensils such as spoons, forks, and knives, and more particularly, to an apparatus and method for manufacturing disposable dining utensils using a paper material.

Conventionally, disposable products made of plastic or vinyl materials have been mainly used, but recently, as environmental problems due to microplastics have become serious, interest in disposable products made of paper materials is greatly increasing.

Accordingly, tableware such as disposable plates and cups is rapidly being replaced by paper products in most cases.

However, disposable items made of paper have not been greatly activated for dining utensils such as spoons, forks, and knives yet.

1 illustrates a disposable spoon made of a currently known paper material, and as shown in FIG. 1 (a), the finished product is a finished product in which a paper disk is cut into a predetermined shape and a fold line is formed. there is Fig. 1(b) shows a state in which the handle is folded to use such a spoon, and when the handle is folded, the tip is slightly concave, while a small wall is erected on the edge to create a space for lifting food.

However, this type of disposable spoon is mainly used for simply scooping out desserts such as yogurt, and since there is no concave bowl, which is an essential component of the spoon, it is difficult to use it for general food consumption.

In addition, eating utensils such as spoons are not simply a container for food, but a means of lifting or spreading food, so they are subjected to pressures of various directions and sizes during use. It must satisfy the technical requirements to prevent bending or deformation.

Therefore, in order to manufacture eating utensils such as spoons, forks, and knives with paper materials, it is necessary to develop a three-dimensional and strong structure to satisfy these technical requirements.

In addition, in order to form a three-dimensional shape such as a spoon or fork using a thick paper plate, press molding is required. In the case of a paper plate, when press molding is performed in the traditional way, the shear surface is rough and burrs are generated unlike metal materials. Not only does it occur a lot, but there is a disadvantage that a lot of fine powder is generated on the shear surface during use.

Meal tools such as spoons are products that sometimes enter the user's mouth during use, so if the shear surface is rough and burrs or fine powders are generated a lot, the user will inevitably feel a considerable objection.

Therefore, in order to activate disposable eating utensils made of paper, it is necessary to develop a technology that can process the processed surface as smoothly as that of plastic as well as the safety of paper material.

Registered Utility Model No. 20-0353933 (Announcement on June 22, 2004)

The present invention was devised against this background, and an object of the present invention is to provide a dining tool made of paper material having excellent durability while having a three-dimensional shape similar to a traditional spoon, fork, knife, and the like.

Another object of the present invention is to provide an apparatus and method that can be processed smoothly so that fine powder, etc. does not occur on the cut surface of the paper eating utensils.

In order to achieve this object, an aspect of the present invention is an apparatus for manufacturing a disposable dining tool made of paper material having a bowl portion for floating food formed on one end of a handle, by cutting the material of the paper material of the cutting line As to create a molding target on the inside, the portion corresponding to the other end of the handle of the molding target Thomson cutting portion is not installed with a cutting blade; By performing a pressing process on the object to be molded, forming a longitudinal sidewall on both sides of the base of the handle, while forming a plurality of ribs on the base and the bowl portion of the handle to create a molded eating tool; It includes a cutting and discharging unit that cuts the connecting portion connecting the dining tool molded body and the material to create a finished product dining tool, wherein the Thompson cutting unit, molding unit, cutting and discharging unit are on one mold base in order along the movement direction of the material It provides a disposable eating utensils manufacturing apparatus comprising a progressive mold arranged.

In the disposable eating utensils manufacturing apparatus according to an aspect of the present invention, the dining utensils may be a fork or a spoon.

Another aspect of the present invention is an apparatus for manufacturing a disposable dining tool made of a paper material having a cut portion having a plurality of teeth at one end of the handle, the tooth including a cutting surface corresponding to the teeth of the dining tool in the material of the paper material. a sawtooth forming part forming a perforation part; By performing a pressing process in the area corresponding to the handle and the cut part, a number of ribs are formed on both sides of the dining tool, while the teeth formed on the edge of the toothed perforation part and the periphery of the teeth are pressed to reduce the step difference on both sides of the dining tool. Forming a sawtooth compression and rib forming part; A Thompson cutting part in which a cutting blade is not installed in a part corresponding to the part formed with teeth and the other end of the handle by cutting the material in which the teeth and a plurality of ribs are formed in the shape of a dining tool to create a dining tool molded body; It includes a cutting and discharging unit that cuts the connecting portion connecting the dining tool molded body and the material to create a finished product dining tool, wherein the Thomney molding unit, sawtooth compression and rib molding unit, Thomson cutting unit, cutting and discharging unit are in one mold base. It may include progressive molds placed in sequence along the direction of movement of the material.

Another aspect of the present invention is a method for manufacturing a disposable dining tool made of a paper material having a bowl portion formed on one end of a handle to float food, cutting the material of the paper material into the shape of the edge of the cutting line Thompson cutting process to create a molding target on the inside, the portion corresponding to the other end of the handle in the molding target is connected to the material through a connection portion; By performing a pressing process on the molding object created in the Thompson cutting process, the longitudinal sidewalls are formed on both sides of the base of the handle, while a plurality of ribs are formed in the base and bowl portion of the handle to create a molded eating utensil forming process; It includes a cutting and discharging process of cutting the connecting part connecting the dining tool molded body and the material to create a finished product dining tool, and sequentially proceeding the Thompson cutting process, the press forming process, the cutting and discharging process while moving the material It provides a method for manufacturing disposable eating utensils characterized in that.

Another aspect of the present invention is a method for manufacturing a disposable dining tool made of a paper material having a cut portion having a plurality of teeth at one end of the handle, the sawtooth including a cut surface corresponding to the teeth of the cut portion in the paper material a sawtooth piercing process to form a perforation for a dragon; By performing a pressing process in the area corresponding to the handle and the cut part, a number of ribs are formed on both sides of the dining tool, while the teeth formed on the edge of the toothed perforation part and the periphery of the teeth are pressed to reduce the step difference on both sides of the dining tool. tooth pressing and rib forming process to form; A Thompson cutting process of cutting the material having teeth and a plurality of ribs in the shape of a dining tool to create a dining tool molded body, but the portion corresponding to the other end of the handle is connected to the material through the connecting portion without cutting the toothed portion; It includes a cutting and discharging unit that cuts the connecting portion connecting the dining tool molded body and the material to create a finished product dining tool, and sequentially proceeds the Thompson cutting process, the press forming process, the cutting and discharging process while moving the material It provides a method for manufacturing disposable eating utensils.

Another aspect of the present invention, the handle is formed with side walls in the longitudinal direction on both sides of the base; A bowl portion formed at one end of the handle as a portion for lifting food; a first rib formed in the longitudinal direction in the center of the base, protruding upward from the upper surface of the base and formed as a groove in the lower surface; a second rib and a third rib formed on both sides of the first rib in the base in the longitudinal direction, formed as a groove on the upper surface of the base, and protruding downward from the bottom surface; It is formed along the periphery of the bowl part and includes a fourth rib connected to the second rib and the third rib, respectively, and the side wall of the handle may be formed to extend to a portion of an edge of the bowl part.

Another aspect of the present invention is a handle; a cutting part formed at one end of the handle and having a plurality of teeth for cutting food; A first rib formed in the longitudinal direction in the central portion of the dining tool, one surface is formed as a groove and the other surface is formed as a protrusion; a second rib formed on the first rib and formed as a protrusion on one surface and a groove on the other surface; a third rib formed in a region excluding the teeth in the lower portion of the first rib, formed as a protrusion on one surface and a groove on the other surface; It provides a disposable eating tool, characterized in that it includes a step formed along the top of the sawtooth as the periphery of the sawtooth and the sawtooth is compressed from both sides.

According to the present invention, it is possible to provide a dining tool made of a paper material having excellent durability while having a three-dimensional shape similar to a traditional spoon, fork, knife, and the like.

In addition, according to the present invention, it is possible to not only process the processing surface of eating utensils such as spoons, forks, and knives made of paper material very smoothly, but also to prevent the generation of fine powder on the cutting surface, thereby greatly increasing the satisfaction with use.

1 is a view illustrating a conventional paper spoon
2A is a front perspective view of a fork according to an embodiment of the present invention;
2b is a rear perspective view of a fork according to an embodiment of the present invention;
2c is a cross-sectional perspective view of a fork according to an embodiment of the present invention;
3A is a front perspective view of a spoon according to an embodiment of the present invention;
Figure 3b is a rear perspective view of a spoon according to an embodiment of the present invention;
3c is a cross-sectional perspective view of a spoon according to an embodiment of the present invention;
4a is a plan view of a knife according to an embodiment of the present invention;
4b is a cross-sectional view of a knife according to an embodiment of the present invention;
5 is a flowchart of a manufacturing process of a fork according to an embodiment of the present invention;
6 is a fork manufacturing apparatus according to an embodiment of the present invention;
7 is a perspective view showing an upper mold of the fork manufacturing apparatus;
8 is a plan view showing an upper mold of the fork manufacturing apparatus;
9 is a bottom perspective view showing a lower mold of the fork manufacturing apparatus;
10 is a bottom view showing the lower mold of the fork manufacturing apparatus;
11 is a view showing the punch and die of the fork forming part
12 is a bottom perspective view showing the punch of the fork forming part;
13 is a flowchart of a manufacturing process of a spoon according to an embodiment of the present invention
14 is a plan view showing the upper mold of the spoon manufacturing apparatus
15 is a bottom view showing the lower mold of the spoon manufacturing apparatus;
16 is a view showing the punch and die of the spoon forming part
17 is a bottom perspective view showing the punch of the spoon forming part
18 is a flowchart of a manufacturing process of a knife according to an embodiment of the present invention
19 is a perspective view showing the upper mold of the knife manufacturing apparatus
20 is a plan view showing the upper mold of the knife manufacturing apparatus;
21 is a bottom perspective view showing the lower mold of the knife manufacturing apparatus;
22 is a bottom view showing the lower mold of the knife manufacturing apparatus;

Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings.

For reference, in the present specification, when one element is connected or combined with another element, it is not only directly connected or combined with another element, but also indirectly connected or combined with another element in between. cases are included. In addition, when one element is directly connected or combined with another element, it means that it is connected or combined without another element in the middle. In addition, the inclusion of a certain component in a certain part means that other components may be further included, rather than excluding other components, unless otherwise specifically stated. Also, in the present specification, expressions such as front, back, left, right, up, and down are relative concepts that may vary depending on the viewing position, so the scope of the present invention is not necessarily limited to the corresponding expression. In addition, the drawings or images attached to the present specification include portions indicated with dimensions or ratios different from those of reality for convenience of understanding, but the scope of the present invention should not be construed as being limited thereto.

1. Eating utensils - forks, spoons, knives

First, the type and structure of disposable eating utensils made of paper material according to an embodiment of the present invention will be described.

As shown in FIGS. 2A to 2C, the fork 100 according to an embodiment of the present invention includes a handle 110, a bowl portion 120 concavely formed to accommodate food, and a handle ( 110 ) and a neck 130 , which is a connection part of the bowl part 120 , and a plurality of fork blades 140 formed at an end of the bowl part 120 .

The handle 110 includes a base 111 and sidewalls 112 formed on both sides of the base 111 . In the center of the upper surface of the base 111, a first rib 151 is formed to protrude upward along the longitudinal direction, and for this reason, a longitudinal groove is formed on the lower surface of the base 111 at a position corresponding to the first rib 151. is formed

In addition, the second rib 152 and the third rib 153 are formed to protrude downward along both sides of the first rib 151 on the lower surface of the base 111 , and thus, the second rib is formed on the upper surface of the base 111 . A longitudinal groove is formed at a position corresponding to the 152 and the third rib 153 .

When the handle 110 is formed in this way, as shown in FIG. 2c , a groove corresponding to the second rib 152 and a protrusion corresponding to the first rib 151 between both sidewalls 112 protruding upwards. , grooves corresponding to the third ribs 153 are alternately arranged.

When the handle 110 of the fork 100 is manufactured in this shape, there is an effect that the bending strength of the handle 110 is greatly improved.

The bowl part 120 is connected to one end of the handle 110 , and the top surface of the bowl part 120 is continuous with the top surface of the base 111 of the handle 110 .

It is preferable that the side walls 112 formed on both sides of the handle 110 extend to both edges of the middle portion of the bowl part 120 .

In this way, there is an advantage in that the bending strength of the neck 130 , which is a connection part between the bowl part 120 and the handle 110 , is greatly improved, and the storage capacity of the bowl part 120 is increased due to the side wall 112 .

On the other hand, it is preferable to form a plurality of ribs in the bowl portion 120 of the fork 100 as well. Specifically, a fourth rib 154 continuous with the second rib 152 is formed on one side of the upper surface of the bowl part 120 in a curved shape along the edge of the bowl part 120 , and a third rib is formed on the other side of the upper surface of the bowl part 120 . The fifth rib 155 continuous with 153 may be formed in a curved shape along the edge of the bowl part 120 .

At this time, since the fourth rib 154 protrudes downward like the second rib 152 , it is formed as a groove connected to the second rib 152 on the upper surface. Since the fifth rib 155 protrudes downward like the third rib 153 , it is formed as a groove connected to the third rib 153 .

In addition, a sixth rib 156 may be formed to protrude downward along the longitudinal direction of the handle 110 in the center of the upper surface of the bowl part 120 . In addition, between the fourth rib 154 and the sixth rib 156 , a seventh rib 157 of an arc shape is formed to protrude downward, and an arc is formed between the fifth rib 155 and the sixth rib 156 . The shape of the eighth rib 158 may be formed to protrude downward. At this time, it is preferable that the seventh rib 157 and the eighth rib 158 are formed in a shape in which arcs face each other.

By forming various ribs in this way, the bending strength of the bowl part 120 can be greatly improved.

Meanwhile, it is preferable that the fourth rib 154 , the fifth rib 155 , and the sixth rib 156 formed on the bowl part 120 extend to the upper surface of the fork blade 140 , respectively. This is because the bending strength of the fork blade 140 can be greatly improved.

The spoon 200 according to an embodiment of the present invention includes a handle 210, a bowl portion 220 concavely formed to accommodate food, and a handle 210 as shown in FIGS. 3A to 3C. It includes a neck 230 that is a connection part of the bowl part 220 .

The handle 210 includes a base 211 and sidewalls 212 formed on both sides of the base 211 . In the center of the upper surface of the base 211, a first rib 251 is formed to protrude upward along the longitudinal direction, and thus, a groove in the longitudinal direction is formed on the bottom surface of the base 211 at a position corresponding to the first rib 251. is formed

In addition, the second rib 252 and the third rib 253 are formed to protrude downward along both sides of the first rib 251 on the bottom surface of the base 211 , and thus, the second rib is formed on the upper surface of the base 211 . Grooves in the longitudinal direction are formed at positions corresponding to 252 and the third rib 253 .

When the handle 210 is formed in this way, as shown in FIG. 3c , a groove corresponding to the second rib 252 and a protrusion corresponding to the first rib 251 between both side walls 212 protruding upwards , the grooves corresponding to the third ribs 253 are alternately arranged.

If the handle 210 of the spoon 200 is manufactured in this shape, there is an effect that the bending strength of the handle 210 is greatly improved.

The bowl part 220 is connected to one end of the handle 210 , and the top surface of the bowl part 220 is continuous with the top surface of the base 211 of the handle 210 .

It is preferable that the side walls 212 formed on both sides of the handle 210 extend to both edges of the middle portion of the bowl part 220 .

In this way, there is an advantage in that the bending strength of the neck 230 , which is a connection part between the bowl part 220 and the handle 210 , is greatly improved, and the storage capacity of the bowl part 220 is increased due to the side wall 212 .

On the other hand, it is preferable to form a plurality of ribs in the bowl portion 220 of the spoon 200 as well. Specifically, a fourth rib 254 is formed on the bowl part 220 to be substantially parallel to the edge, to form a substantially oval shape and protrude downward, and one end of the fourth rib 254 is formed on the handle 210 . It is preferable that the second rib 252 is formed continuously, and the other end of the fourth rib 254 is formed continuously with the third rib 252 formed on the handle 210 .

At this time, since the fourth rib 254 protrudes downward like the second rib 252 and the third rib 253 , it is formed as a groove connected to the second rib 252 and the third rib 253 on the upper surface.

In addition, a fifth rib 255 may be formed to protrude downward along the longitudinal direction of the handle 210 in the center of the upper surface of the bowl part 220 . In addition, a sixth rib 256 of an arc shape is formed to protrude downward from one side of the fifth rib 255 inside the fourth rib 254 , and the fifth rib 255 is formed inside the fourth rib 254 . On the other side of the arc-shaped seventh rib 257 may be formed to protrude downward. At this time, it is preferable that the sixth rib 256 and the seventh rib 257 are formed in a shape in which arcs face each other.

By forming various ribs in this way, the bending strength of the bowl part 220 can be greatly improved.

The knife 300 according to an embodiment of the present invention includes a cutting part 320 having a handle 310 and teeth 322 for cutting food, as shown in FIGS. 4A and 4B .

Knife 300 according to an embodiment of the present invention has a first rib 351 formed in the longitudinal direction in the middle portion, a second rib 352 formed at the upper end of the first rib 351, and a first rib and a third rib 353 formed at the lower end of the 351 .

The second rib 352 is formed over the entire upper edge of the knife 300, and the third rib 353 is formed in the lower edge of the knife 300 except for the teeth 322, and the second rib ( An end of the 352 and an end of the third rib 353 may be connected to each other.

Referring to FIG. 4b showing the cut A-A' cross-section of the cut portion 320, the first rib 351 has one side concave and the other side convex. It is preferable to be formed in a convex shape and a concave shape on the other side. Like the second rib 352 , the third rib 353 is preferably formed in a convex shape and a concave shape on the other side thereof.

This is because the bending strength of the knife 300 can be greatly improved overall.

In addition, the first rib 351 includes a first region 351a formed in the cut portion 320 and a second region 351b formed in the handle 310 , wherein the first region 351a is defined as the second region 351b. ), it is preferable to form a larger width than This is because the third rib 353 cannot be formed under the first region 351a due to the teeth 322, so it is preferable to improve the rigidity by forming the first rib 351 to have a larger width.

On the other hand, since the tooth 322 is a portion where pressure is concentrated during use, it is preferable to perform a compression process with respect to the tooth 322 and its peripheral portion in order to increase rigidity. When the compression process is performed in this way, a step 324 is formed along the upper end of the tooth 322 on both sides of the cut portion 320 .

2. Fork manufacturing method and device

In order to manufacture the fork 100 according to an embodiment of the present invention, as shown in FIG. 5 , a Thomson cutting process (ST11), an idle process (ST12), a press with respect to the paper material 10 It is preferable to sequentially perform the forming process (ST13) and the cutting and discharging process (ST14).

In the Thompson cutting process (ST11), the molding target 10a is generated inside the cutting line 14 by cutting the material 10 in a fork shape using a Thompson cutting blade. The object to be molded (10a) is in the form of a flat plate like the material (10).

On the other hand, if the molding target (10a) is completely separated from the material (10), since the subsequent process cannot be performed, the portion corresponding to the end of the handle is not cut so that the molding target (10a) is not completely separated from the material (10). It should be left as a connection (16).

The idle process ST12 is performed according to design needs, and may be omitted in some cases.

In the press forming process ST13, a press process is performed on the forming object 10a generated in the Thompson cutting process ST11 to generate the fork molded body 100a. The fork molded body 100a has a three-dimensional shape as shown in FIGS. 2a to 2c, and the difference from the finished product is that the end of the handle 110 is still attached to the material 10 by the connection part 16. there is.

In the cutting and discharging process (ST14), the end of the handle 110 is completely separated from the material 10 using a cutting blade, and the fork 100, which is a finished product, is discharged. Therefore, when the cutting and discharging process ST14 is performed, the material 10 has a plurality of perforations 90 surrounded by the cutting line 14 formed in the Thompson cutting process ST11 and the cutting surface 18 formed in the cutting and discharging process ST14. ) will remain.

According to an embodiment of the present invention, the fork 100 can be produced by applying a progressive process to the paper material 10 , thereby greatly improving productivity. In addition, since the edge of the fork 100 is cut using a Thompson cutting blade instead of cutting by the press shearing process, a smooth surface can be obtained, thereby preventing the generation of fine powder during use.

The fork manufacturing apparatus 100 according to an embodiment of the present invention may include a lower mold 500a and an upper mold 500b as shown in the perspective view of FIG. 6 .

The perspective view of FIG. 7 and the plan view of FIG. 8 show the lower mold 500a, the perspective view of FIG. 9 and the plan view of FIG. 10 show the upper mold 500b.

Fork manufacturing apparatus 100 according to an embodiment of the present invention, as shown in FIGS. 7 to 10, a Thompson cutting part 510, a fork forming part ( 520) and the cutting discharge unit 530 may include a progressive mold arranged in order.

In this case, an idle region may be provided between the Thompson cutting unit 510 and the fork forming unit 520 as needed, but the present invention is not limited thereto, and thus the idle region may be omitted.

The Thompson cutting unit 510 includes a plurality of cutting blades 511 installed in the lower mold 500a and an elastic plate 515 installed around the cutting blades 511 . The cutting blade 511 includes a shape corresponding to the molding target 10a of FIG. 5, but in order to form the connection portion 16 of the molding target 10a, the portion corresponding to the connection portion 16 is an open portion without a cutting blade (512) should be.

In the embodiment of the present invention, six cutting blades 511 are installed in a zigzag manner, but since this is only an example, the number and direction of the cutting blades 511 may vary as much as necessary, in this case, the fork forming part 520 . The number and direction of the die 521 and the punch 522 and the number and position of the cutting blades 534,536 in the cutting discharge unit 530 may also be changed accordingly.

Meanwhile, the cutting blade 511 is installed inside the insertion groove formed in the elastic plate 515 , but is preferably installed so that the upper end does not protrude to the upper part of the elastic plate 515 . Therefore, when the upper mold (500b) descends and the base of the upper mold (500b) presses the elastic plate (515) together with the material (10), the material (10) is cut into a predetermined shape by the cutting blade (511).

Silicone, urethane, etc. may be used for the elastic plate 515 , but the material is not necessarily limited thereto. A movable plate that moves up and down by a spring may be installed instead of the elastic plate 515 .

The fork forming unit 520 performs a press process on the formed object 10a cut by the Thompson cutting unit 510 . To this end, the fork forming unit 520 may include a die 521 installed in the lower mold 500a and a punch 522 installed in the upper mold 500b. Alternatively, the die 521 may be installed in the upper mold 500b and the punch 522 may be installed in the lower mold 500a.

11 and 12 , the die 521 and the punch 522 of the fork forming unit 520 should have a shape and a pattern for forming the fork forming body 100a. For example, as shown in FIGS. 2A to 2C , it has a shape for forming sidewalls 112 on both sides of the base 111 of the handle 110 , and with respect to the base 111 of the handle 110 , The bowl part 120 may have a shape to be inclined at a predetermined angle. In addition, a pattern capable of forming the first to third ribs 151 , 152 , 153 formed on the base 111 of the handle 110 and the fourth to eighth ribs 154 , 155 , 156 , 157 , 158 formed on the bowl part 120 may be provided.

The cut discharge unit 530 performs a process of discharging the fork 100 in the form of a finished product by cutting the end of the fork molded body 100a attached to the material 10 .

To this end, in the lower mold 500a of the cut discharge part 530, the cut fork 100 is collected and discharged, a discharge hole 532, and a lower cutting blade installed at the edge of the front or rear end of the discharge hole 532 ( 534) is installed. In addition, an upper cutting blade 536 for cutting the material 10 together with a lower cutting blade 534 is installed in the upper mold 500b of the cutting discharge unit 530 .

As the upper mold 500b descends, the fork 100 cut from the fork molded body 100a falls into the discharge hole 532 and then is discharged to the outside.

In addition, the fork manufacturing apparatus 100 according to an embodiment of the present invention includes a guide post 580 installed in the lower mold 500a and a guide pipe installed in the upper mold 500b and coupled to the guide post 580 ( 582) may be included. It may also include a restoration pin 550 installed in the lower mold 500a to push the material 10 upward immediately after a press process, an idle process, and the like. In addition, a plurality of material movement guides 590 for stably guiding the movement of the material in the lower mold 500a may be disposed at both sides of each process area apart by the width of the material 10 .

3. Spoon manufacturing method and device

In order to manufacture the spoon 200 according to an embodiment of the present invention, as shown in FIG. 13 , a Thomson cutting process (ST21), an idle process (ST22), a press with respect to the paper material 10 It is preferable to sequentially perform the forming process (ST23) and the cutting and discharging process (ST24).

In the Thompson cutting process (ST21), the molding target 20a is generated inside the cutting line 24 by cutting the material 10 in a spoon shape using a Thompson cutting blade. The object to be molded (20a) is in the form of a flat plate like the material (10).

On the other hand, if the molding target (20a) is completely separated from the material (10), since the subsequent process cannot be performed, the portion corresponding to the end of the handle is not cut so that the molding target (20a) is not completely separated from the material (10). It should be left as a connection (26).

The idle process ST22 is performed according to design needs, and may be omitted in some cases.

In the press forming process (ST23), a press process is performed on the forming object (20a) generated in the Thompson cutting process (ST21) to generate the spoon molded body (200a). The spoon molded body 200a has a three-dimensional shape as shown in FIGS. 3a to 3c, and the difference from the finished product is that the end of the handle 210 is still attached to the material 10 by the connection part 26. there is.

In the cutting discharge process (ST24), the end of the handle 210 is completely separated from the material 10 using a cutting blade, and the spoon 200, which is a finished product, is discharged. Therefore, when the cutting and discharging process ST24 is performed, the material 10 has a plurality of perforations 90 surrounded by the cutting line 24 formed in the Thompson cutting process ST21 and the cutting surface 28 formed in the cutting and discharging process ST24. ) will remain.

According to an embodiment of the present invention, the spoon 200 can be produced by applying a progressive process to the paper material 10 , thereby greatly improving productivity. In addition, since the edge of the spoon 200 is cut using a Thompson cutting blade instead of cutting by the press shearing process, a smooth processing surface can be obtained, thereby preventing the generation of fine powder during use.

The spoon manufacturing apparatus 600 according to an embodiment of the present invention is substantially the same as the structure of the fork manufacturing apparatus 500 described above. The plan view of FIG. 14 shows the lower mold 600a of the spoon manufacturing apparatus 600, and the plan view of FIG. 15 shows the upper mold 600b.

In the spoon manufacturing apparatus 600 according to an embodiment of the present invention, in order to manufacture the spoon 200 by the method described above, the Thompson cut part 610 along the moving direction of the material 10 on one mold base, spoon molding The part 620 and the cutting discharge part 630 may include a progressive mold arranged in order.

At this time, an idle region may be provided between the Thompson cutting unit 610 and the spoon forming unit 620 as needed, but the present invention is not limited thereto, and thus the idle region may be omitted.

The Thompson cutting unit 610 includes a plurality of cutting blades 511 installed in the lower mold 600a and an elastic plate 615 installed around the cutting blades 611 . The cutting blade 611 includes a shape corresponding to the molding target 20a of FIG. 13, but in order to form the connection portion 26 of the molding target 20a, the portion corresponding to the connection portion 26 is an open portion without a cutting blade (612) should be.

In the embodiment of the present invention, six cutting blades 611 are installed in a zigzag manner, but since this is only an example, the number and direction of the cutting blades 611 can be varied as needed, in this case, the fork forming part 620 The number and direction of the die 621 and the punch 622 of the and the number and position of the cutting blades 634 and 636 in the cutting outlet 630 may also be changed accordingly.

Meanwhile, the cutting blade 611 is installed inside the insertion groove formed in the elastic plate 615 , but is preferably installed so that the upper end does not protrude to the upper part of the elastic plate 615 . Therefore, when the upper mold (600b) descends and the base of the upper mold (600b) presses the elastic plate (615) together with the material (10), the material (10) is cut into a predetermined shape by the cutting blade (611).

Silicone, urethane, etc. may be used for the elastic plate 615 , but the material is not necessarily limited thereto. A movable plate that moves up and down by a spring may be installed instead of the elastic plate 615 .

The spoon forming unit 620 performs a press process on the formed object 20a cut by the Thompson cutting unit 610 . To this end, the spoon forming unit 620 may include a die 621 installed in the lower mold 600a and a punch 622 installed in the upper mold 600b. Alternatively, the die 621 may be installed in the upper mold 600b and the punch 622 may be installed in the lower mold 600a.

As illustrated in FIGS. 16 and 17 , the die 621 and the punch 622 of the spoon forming unit 620 must have a shape and a pattern for forming the spoon forming body 200a. For example, as shown in FIGS. 3A to 3C , it has a shape for forming side walls 212 on both sides of the base 211 of the handle 210 , and has a shape for forming the base 211 of the handle 210 with respect to the base 211 of the handle 210 . The bowl part 220 may have a shape to be inclined at a predetermined angle. In addition, a pattern capable of forming the first to third ribs 251,252 and 253 formed on the base 211 of the handle 210 and the fourth to seventh ribs 254 , 255 , 256 and 257 formed on the bowl part 220 may be provided.

The cut discharge unit 630 performs a process of discharging the spoon 200 in the form of a finished product by cutting the end of the spoon molded body 200a attached to the material 10 .

To this end, in the lower mold 600a of the cutting discharge unit 630, the cut spoon 200 is collected and discharged, the discharge hole 632, and the lower cutting blade installed at the edge of the front end or the rear end of the discharge hole 632 ( 634) is installed. In addition, an upper cutting blade 636 for cutting the material 10 together with a lower cutting blade 634 is installed in the upper mold 600b of the cutting discharge unit 630 .

As the upper mold 600b descends, the spoon 200 cut from the spoon molded body 200a falls into the discharge hole 632 and then is discharged to the outside.

In addition, the spoon manufacturing apparatus 200 according to an embodiment of the present invention is installed in the guide post 680 installed in the lower mold 600a and the upper mold 600b and the guide tube coupled to the guide post 680 ( 682) may be included. It may also include a restoration pin 650 installed in the lower mold 600a to push the material 10 upward immediately after a press process, an idle process, and the like. In addition, a plurality of material movement guides 690 for stably guiding the movement of the material in the lower mold 600a may be disposed on both sides of each process area apart by the width of the material 10 .

4. Knife Manufacturing Method and Apparatus

In order to manufacture the knife 300 according to an embodiment of the present invention, as shown in FIG. 18 , a sawtooth piercing process (ST31), a sawtooth compression and a rib forming process (ST32) for the paper material 10, It is preferable to sequentially perform the idle process (ST33), the Thomson cutting process (ST34), and the cutting and discharging process (ST35).

In the tooth piercing process (ST31), as a process of forming the teeth 322 of the knife 300 on the material 10, a process of removing the teeth 322 and its outer part by drilling a predetermined area is performed. Therefore, in the region that has undergone the sawtooth piercing process (ST31), the perforated portion 50 for the teeth is formed.

When the sawtooth piercing process (ST31) is performed, the sawtooth 322 is formed on the edge of the perforated portion 50 for the sawtooth.

On the other hand, when manufacturing the fork 100 and the spoon 200, the molding objects 10a and 20a were cut in advance through the Thompson cutting process and press molding was performed on them, but when manufacturing the knife 300, different It is more preferable to proceed with the process in order.

This is because the teeth 322 of the knife 300 have a very fine size and curvature, so it is more preferable to cut using the punch 712 and the die 711 than to use a Thompson cutting blade.

In addition, when manufacturing the knife 300, it is necessary to perform a compression process for the teeth 322 and its periphery. Since a relatively high precision is required, the compression process is performed in a state in which the outer edge of the knife 300 is cut in advance. This is because it is easier to press the periphery after only the teeth 322 are formed in advance.

In the sawtooth compression and rib forming process (ST32), first to third ribs 351 and 352.353 are formed on the side surface of the knife 320 as shown in FIGS. 4a and 4b, while pressure is applied to both sides of the toothed 322 to A process of compressing the teeth 322 is performed.

When the sawtooth compression process is performed in this way, a step 324 is formed around the upper end of the toothed 322 , and the thickness of the toothed 322 becomes thinner and sharper than the material 10 .

The idle process ST33 is performed according to design requirements, and may be omitted in some cases.

In the Thompson cutting process (ST34), the knife molded body 300a is generated inside the cutting line 34 by cutting the material 10 in a knife shape using a Thompson cutting blade. The knife molded body 300a is not completely separated from the material 10 but is attached to the material 10 by the connection part 36 at the end of the handle 310 .

In the cutting discharge process (ST35), the end of the handle 310 is completely separated from the material 10 using a cutting blade, and the knife 300, which is a finished product, is discharged. Therefore, when performing the cutting and discharging process (ST34), the material 10 has teeth 322 formed in the sawtooth piercing process (ST31), the cutting line 34 formed in the Thomson cutting process (ST34), and the cutting and discharging process (ST35) formed in A number of perforations 90 surrounded by the cutting surface 38 remain.

According to an embodiment of the present invention, the knife 300 can be produced by applying a progressive process to the paper material 10 , thereby greatly improving productivity. In addition, since the edge of the knife 300 is cut using a Thomson cutting blade instead of cutting by a press shearing process, a smooth processing surface can be obtained.

The knife manufacturing apparatus 700 according to an embodiment of the present invention may include a lower mold 700a and an upper mold 700b as shown in FIGS. 19 to 22 . The perspective view of FIG. 19 and the plan view of FIG. 20 show the lower mold 700a, and the perspective view of FIG. 21 and the plan view of FIG. 22 show the upper mold 760b.

In addition, the knife manufacturing apparatus 700 according to an embodiment of the present invention is a sawtooth forming part 710, a sawtooth compression and rib forming part 720, and a Thomson cutting part along the moving direction of the material 10 on a single mold base. 740 and the cutting discharge unit 750 may include a progressive mold arranged in order. An idle region 730 may be formed between the sawtooth compression and rib forming portion 720 and the Thompson cutting portion 740 according to design needs.

The sawtooth forming portion 710 forms a perforated portion 50 for the sawtooth in the material 10 as shown in FIG. 18 . To this end, the tooth forming part 710 includes a die 711 installed in the lower mold 700a and a punch 712 installed in the upper mold 700b. Alternatively, the die 711 may be installed in the upper mold 700b and the punch 712 may be installed in the lower mold 700a.

The sawtooth compression and rib forming part 720 forms the first rib 351 to the third rib 353 on the side surface of the knife 300 while the teeth 322 formed on the edge of the toothed perforation part 50 and its A step 324 is formed on both sides of the knife 300 by pressing the periphery.

To this end, the sawtooth compression and rib forming unit 720 includes a die 721 installed in the lower mold 700a and a punch 722 installed in the upper mold 700b. Alternatively, the die 721 may be installed in the upper mold 700b and the punch 722 may be installed in the lower mold 700a.

The die 721 and the punch 722 may include a pressing member capable of pressing the teeth 322 and its periphery on both sides of the material 10 .

Die 721 and punch 722 may also have patterns corresponding to each other that may form first to third ribs 351 , 352 , 353 of knife 300 as shown in FIGS. 4A and 4B , for example. can

Since the idle area 730 is set according to design needs, it may be omitted in some cases. An insertion groove 732 into which the ribs 351, 352, 353 formed in the sawtooth compression and rib forming part 720 are not damaged may be formed on the bottom surface of the upper mold 700b corresponding to the idle region 730. .

The Thompson cutting unit 740 performs a process of generating the knife molded body 300a by cutting the material 10 having the teeth 322 and the first to third ribs 351, 352, 353 formed in a knife shape.

The Thompson cut portion 740 includes a plurality of cutting blades 741 installed in the lower mold 700a and an elastic plate 743 installed around the cutting blades 741 .

The cutting blade 741 has a shape corresponding to the outer shape of the knife 300 , but the cutting blade 741 may be omitted in a portion corresponding to the already processed teeth 322 . In addition, since the connection part 36 must be formed at the end of the handle 310 so that the knife molded body 300a is not completely separated from the material, the part corresponding to the connection part 36 must be an open part 742 without a cutting blade.

In the embodiment of the present invention, six cutting blades 741 are installed in the same direction, but since this is only an example, the number and direction of the cutting blades 741 may be varied as needed.

On the other hand, the cutting blade 741 is installed inside the insertion groove formed in the elastic plate 745, but is preferably installed so that the upper end does not protrude to the upper portion of the elastic plate (745). Accordingly, when the upper mold 700b is lowered and the base of the upper mold 700b presses the elastic plate 745 together with the material 10, the material 10 is cut into a knife shape by the cutting blade 741 .

Silicone, urethane, etc. may be used for the elastic plate 745 , but the material is not necessarily limited thereto. A movable plate that moves up and down by a spring may be installed instead of the elastic plate 745 .

An insertion groove 746 into which the ribs 351, 352, 353 formed in the sawtooth compression and rib forming part 720 are not damaged may be formed on the bottom surface of the upper mold 700b corresponding to the Thompson cut part 740. .

The cutting discharge unit 750 performs a process of discharging the knife 300 in the form of a finished product by cutting the end of the knife molded body 300a attached to the material 10 .

To this end, a lower cutting blade 754 is installed on the lower mold 700a of the cutting discharge unit 750, and an upper cutting blade for cutting the material 10 together with the lower cutting blade 754 in the upper mold 700b ( 756) is installed.

As the upper mold 700b descends, the knife 300 cut from the knife molded body 300a is discharged to the outside.

In the above, a preferred embodiment of the present invention has been described, but the present invention is not limited to the above-described embodiment, and may be variously modified or modified in a specific application process, and the modified or modified embodiment is also disclosed in the claims to be described later. If the technical spirit of the present invention is included, it will be natural to fall within the scope of the present invention.

10: material 12: alignment hole 10a, 20: product area
14, 24, 34: Thompson cut line 16, 26, 36: connection
18, 28, 38: cutting surface 50: perforation for teeth 90: perforation
100: fork 100a: fork molded body 110: handle
111: base 112: side wall 120: bowl portion
130: neck 140: fork blade
151, 152, 153, 154, 155, 156, 157, 158: ribs 1, 2, 3, 4, 5, 6, 7, 8
200: spoon 200a: spoon molded body 210: handle
211: base 212: side wall 220: bowl portion 230: neck
251, 252, 253, 254, 255, 256, 257: ribs 1, 2, 3, 4, 5, 6, 7
300: knife 300a: knife molded body 310: handle
320: cut 322: tooth 324: step
351: first rib 351a: first area 351b: second area
352: second rib 353; 3rd rib
500: fork manufacturing device 500a: lower mold 500b: upper mold
510: Thompson cutting 511: cutting blade 512: opening
515: elastic plate 520: fork forming part 521: die
522: punch 530: cut discharge 532: discharge hole
534: lower cutting edge 536: upper cutting edge 550: restoration pin
580: guide post 582: guide tube 590: material movement guide
600: spoon manufacturing device 600a: lower mold 600b: upper mold
610: Thompson cutting part 611: cutting blade 612: open part
615: elastic plate 620: spoon forming part 621: die
622: punch 630: cut discharge 632: discharge hole
634: lower cutting edge 636: upper cutting edge 650: restoration pin
680: guide post 682: guide tube 690: material movement guide
700: knife manufacturing device 700a: lower mold 700b: upper mold
710: sawtooth forming part 711: die 712: punch
720: tooth pressing and rib forming part 721: die 722: punch
730: idle area 732: insertion groove 740: Thompson's cut
741: cutting blade 742: opening 743: elastic plate
746: insertion groove 750: cut outlet 754: lower cutting blade
756: upper cutting blade 760: restoration pin 780: guide post
782: guide tube 790: material movement guide

Claims (7)

In an apparatus for manufacturing a disposable dining tool made of paper in which a bowl portion for floating food is formed on one end of a handle,
As to create a molding target inside the cutting line by cutting the paper material, the portion corresponding to the other end of the handle of the molding target Thompson cutting part is not installed with a cutting blade;
By performing a pressing process on the object to be molded, forming a longitudinal sidewall on both sides of the base of the handle, while forming a plurality of ribs in the base and bowl portion of the handle to create a molded eating tool;
Cutting and discharging part that cuts the connecting part that connects the dining tool molded body and the material to create a finished product dining tool
Including, wherein the Thompson cutting part, forming part, cutting and discharging part disposable eating utensils manufacturing apparatus, characterized in that it comprises a progressive mold arranged in order along the moving direction of the material on one mold base The method of claim 1,
The eating utensils are disposable eating utensils manufacturing apparatus, characterized in that the fork or spoon In an apparatus for manufacturing a disposable dining tool made of paper in which a cut portion having a plurality of teeth is formed at one end of a handle,
A sawtooth forming part for forming a perforation for sawtooth including a cut surface corresponding to the tooth of the dining tool in the material of the paper material;
By performing a pressing process in the area corresponding to the handle and the cut part, a number of ribs are formed on both sides of the dining tool, while the teeth formed on the edge of the toothed perforation part and the periphery of the teeth are pressed to reduce the step difference on both sides of the dining tool. Forming a sawtooth compression and rib forming part;
Thompson's cutting part that cuts the material having teeth and a plurality of ribs in the shape of a dining tool to create a dining tool molded body, but a portion corresponding to the other end of the toothed part and the handle is not provided with a cutting blade;
Cutting and discharging part that cuts the connecting part that connects the dining tool molded body and the material to create a finished product dining tool
Including, wherein the Thomney forming part, the sawtooth compression and rib forming part, the Thompson cut part, the cutting and discharging part are disposable dining tools, characterized in that it comprises a progressive mold arranged in order along the moving direction of the material on one mold base manufacturing equipment In the method for manufacturing a disposable dining tool made of paper in which a bowl part for floating food is formed on one end of a handle,
Thompson cutting process of cutting the paper material into the shape of the edge of the dining tool to create a molding target on the inside of the cutting line, but the part corresponding to the other end of the handle in the molding target is connected to the material through a connection part;
By performing a pressing process on the molding object created in the Thompson cutting process, the longitudinal sidewalls are formed on both sides of the base of the handle, while a plurality of ribs are formed in the base and bowl portion of the handle to create a molded eating utensil forming process;
A cutting and discharging process that cuts the connecting part that connects the dining tool molded body and the material to create a finished product dining tool
Including, while moving the material, the Thompson cutting process, the press forming process, the disposable eating utensils manufacturing method, characterized in that sequentially proceeding with the cutting and discharging process In the method for manufacturing a disposable dining tool made of paper material having a cut portion having a plurality of teeth at one end of the handle,
A sawtooth piercing process of forming a perforation for sawtooth including a cut surface corresponding to the sawtooth of the cutout in a paper material;
By performing a pressing process in the area corresponding to the handle and the cut part, a number of ribs are formed on both sides of the dining tool, while the teeth formed on the edge of the toothed perforation part and the periphery of the teeth are pressed to reduce the step difference on both sides of the dining tool. tooth pressing and rib forming process to form;
A Thomson cutting process of cutting the material having teeth and a plurality of ribs in the shape of a dining tool to create a dining tool molded body, but the portion corresponding to the other end of the handle without cutting the toothed portion is connected to the material through the connection part;
Cutting and discharging part that cuts the connecting part that connects the dining tool molded body and the material to create a finished product dining tool
Including, while moving the material, the Thompson cutting process, the press forming process, the disposable eating utensils manufacturing method, characterized in that proceeding sequentially the cutting and discharging process In the disposable dining utensils made of paper,
a handle having side walls formed on both sides of the base in the longitudinal direction;
A bowl portion formed at one end of the handle as a portion for lifting food;
As being formed in the longitudinal direction in the center of the base, the first rib protruding upward from the upper surface of the base and formed as a groove in the lower surface;
a second rib and a third rib formed on both sides of the first rib in the base in the longitudinal direction, formed as a groove on the upper surface of the base, and protruding downward from the bottom surface;
a fourth rib formed along the periphery of the bowl portion and connected to the second rib and the third rib, respectively;
Disposable eating utensils, characterized in that the side wall of the handle is formed to extend to a part of the edge of the bowl part In the disposable dining utensils made of paper,
handle;
a cutting part formed at one end of the handle and having a plurality of teeth for cutting food;
A first rib formed in the longitudinal direction in the central portion of the dining tool, one surface is formed as a groove and the other surface is formed as a protrusion;
a second rib formed on the first rib and formed as a protrusion on one surface and a groove on the other surface;
a third rib formed in a region excluding the teeth in the lower portion of the first rib, formed as a protrusion on one surface and a groove on the other surface;
The step formed along the top of the tooth as the tooth and the periphery of the tooth are pressed from both sides.
Disposable eating utensils comprising a

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