JP6315920B2 - Method for producing metal foil molded body - Google Patents

Description

The present invention relates to a method for producing a metal foil shaped body is installed in the particular range hood or the like, a process for producing a metal foil molded body used to attach the filter.

  12 is a schematic plan view of a conventional metal foil molded body, FIG. 13 is a schematic bottom view of the metal foil molded body shown in FIG. 12, and FIG. 14 is a XIV-XIV line shown in FIG. FIG.

  With reference to these drawings, the metal foil molded body 81 includes a plurality of frames and a filter, and is formed of two molded bodies 90 and a molded body 100 having a substantially rectangular shape.

  The molded body 90 is integrally formed from a single aluminum foil, and has a frame 85a and 85b corresponding to a substantially rectangular long side position, a frame 86a and 86c corresponding to a substantially rectangular short side position, The frame 86b connects the frame 85a and the frame 85b at a position closer to the frame 86a from the center. An edge winding 97 is integrally formed on the outer edge of the molded body 90, and an uneven portion 96 having a substantially rectangular shape is integrally formed on the outer periphery of the molded body 90. Inside the uneven portion 96 of the molded body 90, spaces 114a and 114b having a rectangular shape are formed as openings. Edge windings 98a and 98b are integrally formed on inner edges surrounding the spaces 114a and 114b in the molded body 90, respectively. A filter 95 having a rectangular shape made of non-woven fabric or the like is bonded to the bottom surface of the molded body 90 inside the concavo-convex portion 96 so as to cover the open spaces 114a and 114b of the molded body 90. The molded body 100 is basically configured similarly to the molded body 90.

  Referring to FIG. 12, molded body 100 is positioned below molded body 90 and has a shape that is bilaterally symmetrical with molded body 90. The molded body 90 and the molded body 100 are slidably engaged via the edge winding 97 and the edge winding 107, respectively.

  Next, the manufacturing method of the metal foil molded object 81 is demonstrated.

  FIG. 15 is a schematic production schematic diagram when the metal foil molded body shown in FIG. 12 is produced.

  Referring to the drawing, in manufacturing, the aluminum foil 93 and the aluminum foil 103 are integrally formed in the shape shown by the alternate long and short dash line in a state where the belt-like aluminum foil 93 and the belt-like aluminum foil 103 are expanded in parallel. The metal foil molded body 81 is formed by punching, press molding, and adhering the filter.

  When press molding is performed in this manner, the metal foil molded body 81 can be efficiently manufactured by developing the strip-shaped aluminum foil 93 and the aluminum foil 103 and repeatedly performing press molding on a new aluminum foil.

  In the conventional metal foil molded body 81 as described above, since aluminum foil is pressed during production, a large amount of aluminum foil scrap is generated.

  Here, the scrap of the aluminum foil generated at the time of pressing will be described.

  FIG. 16 is an enlarged schematic plan view of the “X” portion shown in FIG. 15, and is a schematic diagram showing scrap of metal foil.

  Referring to the drawing, when the portions corresponding to the metal foil molded body 81 are pressed from the developed aluminum foil 93 and aluminum foil 103, aluminum foil scraps 110a to 110c and scraps 111a to 111c are generated, respectively.

  Here, since the basic configuration of the aluminum foil 103 is the same as that of the aluminum foil 93, when attention is paid to the aluminum foil 93 in FIG. 16, the scrap 110 a corresponds to the open space 114 a in the molded body 90 of the metal foil molded body 81. To do. The scrap 110b corresponds to the space 114b of the molded body 90. The scrap 110c becomes the aluminum foil 93 outside the molded body 90. Therefore, the ratio of the scraps 110a to 110c in the aluminum foil 93 is high, which is a cause of high manufacturing costs.

  Further, an adhesive is applied to a predetermined range of the aluminum foil 93 in advance in order to bond the filter 95 shown in FIG. 12 to the molded body 90 of the metal foil molded body 81. For this reason, the scraps 110a to 110c cannot be recycled because they include not only the aluminum foil 93 but also the applied adhesive, which has further increased manufacturing costs.

The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a method for manufacturing a metal foil molded body in which scrap of metal foil is reduced and manufacturing cost is reduced.

In order to achieve the above object, the invention according to claim 1 is a method for producing a metal foil molded body composed of a frame composed of a plurality of molded parts, and is a strip-shaped metal foil corresponding to each of the molded parts. A plurality of prepared metal foils, a step of arranging each of the prepared metal foils so as to correspond to each position of the molded part, and a step of integrally stamping the arranged metal foils and press forming the whole It is provided.

  If comprised in this way, the minimum amount of strip | belt-shaped metal foil according to the shape of each molded component will become a required amount.

The invention according to claim 2 is a method of manufacturing a metal foil molded body composed of a frame made up of a plurality of molded parts, and a step of preparing a plurality of metal foils that match each developed state of the molded parts, and preparation Forming each of the formed metal foils to form each of the molded parts, and connecting and integrating each of the formed molded parts.

If comprised in this way, only the metal foil which matched the expansion | deployment state of each molded component will be a required amount.
According to a third aspect of the present invention, in the configuration of the second aspect of the invention, the step of forming each of the molded parts includes a step of winding the outer edge of each of the prepared metal foils.
If comprised in this way, generation | occurrence | production of the scrap around the outer edge of a molded component will be suppressed.

As described above, the invention according to claim 1 requires a minimum amount of strip-shaped metal foil according to the shape of each molded part, so that the scrap of the metal foil is reduced and the manufacturing cost is reduced.

In the invention according to claim 2, since only the metal foil that matches the developed state of each molded part is required, scrap of the metal foil is eliminated, and the manufacturing cost is reduced.
In addition to the effect of the invention described in claim 2 , the invention described in claim 3 suppresses generation of scrap around the outer edge of the molded part, so that the scrap of metal foil is further reduced.

It is a schematic plan view of the metal foil molded body by 1st Embodiment of this invention, Comprising: It is a figure corresponding to FIG. It is a schematic bottom view of the metal foil molded object shown in FIG. 1, Comprising: It is a figure corresponding to FIG. FIG. 15 is an enlarged end view taken along line III-III shown in FIG. 1 and corresponding to FIG. 14. FIG. 4 is an enlarged end view of the IV-IV line shown in FIG. 1. FIG. 16 is a schematic production schematic diagram when the metal foil molded body shown in FIG. 1 is manufactured, corresponding to FIG. 15. FIG. 17 is an enlarged schematic plan view of the “A” portion shown in FIG. 5, and is a schematic diagram showing a scrap of metal foil corresponding to FIG. 16. It is a schematic plan view which shows the use condition when the flame | frame of the metal foil molded object shown in FIG. 1 is slid, Comprising: (1) shows the state which expanded the frame, (2) narrows a flame | frame. This shows the state. FIG. 8 is an enlarged view of a “B” portion shown in FIG. 7, and is a view showing an edge winding of a metal foil molded body. It is a schematic plan view of the metal foil molded body by 2nd Embodiment of this invention, Comprising: It is a figure corresponding to FIG. FIG. 10 is an enlarged view of a “C” portion shown in FIG. 9, corresponding to FIG. 8. It is a schematic manufacturing schematic diagram when manufacturing the metal foil molded object shown in FIG. 9, Comprising: It is a figure corresponding to FIG. It is a schematic plan view of the conventional metal foil molded object. It is a schematic bottom view of the metal foil molded object shown in FIG. FIG. 13 is an enlarged end view of the XIV-XIV line shown in FIG. 12. It is a schematic manufacture schematic diagram when manufacturing the metal foil molded object shown in FIG. FIG. 16 is a schematic enlarged plan view of a portion “X” shown in FIG. 15, and is a schematic diagram showing scrap of metal foil.

  FIG. 1 is a schematic plan view of a metal foil molded body according to the first embodiment of the present invention, corresponding to FIG. 12, and FIG. 2 is a schematic of the metal foil molded body shown in FIG. FIG. 3 is a bottom view corresponding to FIG. 13, FIG. 3 is an enlarged end view of the III-III line shown in FIG. 1, corresponding to FIG. 14, and FIG. 4 is an enlarged end view of the IV-IV line indicated by 1. FIG.

  The metal foil molded body 11 according to the first embodiment is basically the same as the conventional metal foil molded body 81 shown in FIG. 12 except that each frame is composed of a molded part corresponding to each frame. The shape and configuration are the same. Here, the difference will be mainly described.

  With reference to these drawings, the frames 15a and 15b and the frames 16a to 16c of the molded body 20 are formed of molded parts 21a and 21b and molded parts 22a to 22c, respectively. Each of the molded parts 22a to 22c is in contact with and connected to the molded parts 21a and 21b in an overlapping state from above.

  Referring to FIG. 4, molded part 21 a and molded part 22 a are integrally formed by edge winding 28. In addition, referring to FIG. 1, the molded part 21 a and the molded part 22 a are similarly integrally formed by the edge winding 27 at the outer edges thereof. Similarly to these, each of the molded parts 22a to 22c is integrally formed with each of the molded parts 21a and 21b by edge winding. The reason for this configuration will be described later.

  Referring to FIG. 1, molded parts 32a to 32c forming each of frames 18a to 18c of molded body 30 are overlapped from below each of molded parts 31a and 31b forming each of frames 17a and 17b. In contact with each other.

  The molded body 20 and the molded body 30 constituting the metal foil molded body 11 are engaged with each other through the edge winding 27 and the edge winding 37. The reason for this configuration will be described later.

  Next, the manufacturing method of the metal foil molded object 11 is demonstrated.

  FIG. 5 is a schematic manufacturing schematic diagram when the metal foil molded body shown in FIG. 1 is manufactured, and corresponds to FIG.

  In addition, since the molded object 20 and the molded object 30 which comprise the metal foil molded object 11 are the substantially same manufacturing methods, it demonstrates focusing on the manufacturing method of the molded object 20 here.

  Referring to the drawing, first, frames 15a and 15b that form molded body 20, and molded parts 21a and 21b that constitute each of frames 16a to 16c and strip-shaped aluminum foils corresponding to molded parts 22a to 22c, respectively. 23a and 23b and aluminum foils 24a to 24c are prepared. Next, each of the prepared aluminum foils 23a and 23b is developed and placed on a mold (not shown) so as to correspond to the positions of the molded parts 21a and 21b. Further, each of the prepared aluminum foils 24a to 24c is unfolded so as to correspond to the position of each of the molded parts 22a to 22c, and on a mold (not shown) so as to intersect above each of the aluminum foils 23a and 23b. To place. The strip-shaped aluminum foil 34c corresponding to the molded part 32c constituting the frame 18c of the molded body 30 is disposed below the aluminum foil 24c in parallel so as to partially overlap the aluminum foil 24c. The reason for this arrangement will be described later.

  Next, the arranged aluminum foils 23a and 23b and the aluminum foils 24a to 24c are cut into a predetermined size on a mold (not shown), and then integrally punched and press-molded as a whole. By manufacturing in this way, a minimum amount of aluminum foil corresponding to the shape of the molded part is required, so the scrap of aluminum foil is reduced and the manufacturing cost is reduced. Also, by integrally press forming, it is not necessary to assemble each frame, and a metal foil molded body can be manufactured efficiently. Further, by integrally forming the edge winding with the aluminum foils overlapped, each of the frames can be integrated without using a rivet or the like.

  Finally, referring to FIG. 1, spaces 44 a and 44 b surrounded by the frames 15 a and 15 b and the frames 16 a to 16 c of the press-molded molded body 20 are formed. The metal foil molded body 11 is manufactured by attaching the filter 25 with an adhesive applied to the bottom surface of the molded body 20 so as to cover the spaces 44a and 44b. As a result, a filter structure with a small amount of discarded aluminum foil to which an adhesive is attached is obtained. As a result, the aluminum foil to be used can be effectively utilized.

  FIG. 6 is an enlarged schematic plan view of the “A” portion shown in FIG. 5, and is a schematic diagram showing a scrap of metal foil corresponding to FIG. 16.

  In addition, since the basic structure of the molded body 30 of the metal foil molded body 11 is the same as that of the molded body 20, the description thereof will not be repeated here.

  Referring to the drawing, when the portions corresponding to the metal foil molded body 11 are pressed from the disposed strip-shaped aluminum foils 23a and 23b and the aluminum foils 24a to 24c, scraps 40 of the aluminum foil are generated. However, since only the portion corresponding to the molded body 20 is formed of a strip-shaped aluminum foil, the amount of scrap 40 is small compared to the conventional scrap 110 shown in FIG. Therefore, aluminum foil scrap is reduced, which contributes to a reduction in manufacturing cost.

  Here, the use state of the metal foil molded body 11 will be described.

  FIG. 7 is a schematic plan view showing a use state when the frame of the metal foil molded body shown in FIG. 1 is slid, (1) shows a state in which the frame is widened, (2) FIG. 8 shows a state in which the frame is narrowed, and FIG. 8 is an enlarged view of a portion “B” shown in FIG. 7 and shows an edge winding of the metal foil molded body.

  Referring to FIG. 8, edge winding 37 of outer edge of molded body 30 of metal foil molded body 11 is formed such that outer edge winding 27 of molded body 20 is slidable in the left-right direction. ing. That is, the edge winding 37 has a larger cylindrical shape than the edge winding 27, and the edge winding 27 is wrapped around the edge winding 37, and this state is integrally formed by press molding.

  With reference to (1) of FIG. 7, the compact 20 is slid in the direction of the solid arrow. The molded body 20 and the molded body 30 are in the engaged state shown in FIG. Therefore, the molded body 20 slides to the left while maintaining the engaged state with the molded body 30, and is in the state shown in (2) of FIG. Thereby, it becomes possible to change the magnitude | size of the metal foil molded object 11 according to attachment object. Further, as shown in FIG. 1, since the molded part 21a constituting the molded body 20 and the molded part 31a constituting the molded body 30 are formed so as to overlap, it is possible to slide smoothly. It has become. The same applies to the molded part 21b and the molded part 31b.

  FIG. 9 is a schematic plan view of a metal foil molded body according to the second embodiment of the present invention, corresponding to FIG. 1, and FIG. 10 is an enlarged view of the “C” portion shown in FIG. FIG. 9 is a diagram corresponding to FIG. 8.

  The metal foil molded body 12 according to the second embodiment is the same as that shown in FIG. 1 except that the molded part forming the frame is previously formed only by molding from aluminum foil. The basic configuration is the same as that of the metal foil molded body 11 of the embodiment. Here, the difference will be mainly described. The molded body 60 constituting the metal foil molded body 12 has substantially the same basic configuration as that of the molded body 50 constituting the metal foil molded body 12, and therefore, the molded body 50 will be mainly described.

  Referring to these drawings, each of molded parts 51a and 51b forming each of frames 45a and 45b of molded body 50 and each of molded parts 52a to 52c forming each of frames 46a to 46c are rivets. The overlapping portions are integrally connected using 56a to 56f.

  Referring to FIG. 10, the molded body 60 is located below the molded body 50. The edge winding 67 formed on the outer edge of the molded body 60 is formed so that the edge winding 57 of the outer edge of the molded body 50 can be inserted therein. Thereby, the molded object 60 and the molded object 50 can be made to slide, maintaining an engagement state.

  Next, the manufacturing method of the metal foil molded object 12 is demonstrated.

  FIG. 11 is a schematic production schematic diagram when the metal foil molded body shown in FIG. 9 is produced, and corresponds to FIG.

  In addition, since the molded object 50 and the molded object 60 of the metal foil molded object 12 are substantially the same manufacturing method, it demonstrates focusing on the manufacturing method of the molded object 50 here.

  Referring to the drawing, first, aluminum that conforms to the unfolded state of each of molded parts 51a and 51b and molded parts 52a to 52c constituting each of frames 45a and 45b and frames 46a to 46c forming molded body 50. Foil 53a and 53b and aluminum foil 54a-54c are each prepared. Next, the prepared aluminum foils 53a and 53b and the aluminum foils 54a to 54c are respectively formed into the molded parts 51a and 51b and the molded parts 52a to 52c through the forming apparatuses 58a and 58b and the forming apparatuses 59a to 59c, respectively. To form.

  Then, the formed molded parts 51a and 51b and the formed parts 52a to 52c are connected and integrated using rivets 56a to 56f to form the molded body 50. By manufacturing in this way, only the aluminum foil that matches the unfolded state of each molded part becomes a necessary amount, scraping aluminum foil is eliminated, and the manufacturing cost is further reduced.

  In each of the above embodiments, the molded part of the metal foil molded body is formed of a strip-shaped aluminum foil, but may be formed of a metal foil made of another material. . Further, the metal foil does not have to be strip-shaped.

  Further, in each of the above-described embodiments, the metal foil molded body is composed of two molded bodies, but may be composed of three or more molded bodies. Alternatively, it may be composed of only one molded body.

  Furthermore, in each of the above-described embodiments, the metal foil molded body is composed of five frames, but is not limited to five, and is composed of two or more frames. I just need it.

  Further, in each of the above embodiments, the molded body of the metal foil molded body has a specific shape having a substantially rectangular shape, but may have other shapes.

  Furthermore, in the first embodiment described above, the strip-shaped aluminum foil is cut into a predetermined size, but an aluminum foil having a shape other than the strip shape may be used.

  Furthermore, in the first embodiment described above, the aluminum foil is press-molded, but any method other than press-molding may be used as long as it is integrally formed.

  Furthermore, in the second embodiment, the molded parts are connected by rivets. However, they may be connected using, for example, another caulking method, an adhesive such as glue, ultrasonic bonding, or the like.

  Furthermore, in the above embodiments, the upper and lower positional relationships of the molded parts are specified, but other positional relationships may be used.

  Furthermore, in each of the above embodiments, the two molded bodies are engaged with each other by the edge winding, but the molded bodies may be engaged with each other by other methods.

  Furthermore, in each of the above-described embodiments, the shape of the space formed by the frame is specified, but other shapes may be used, and there may be no space.

  Further, in each of the above embodiments, the outer edge and inner edge of the molded part of the frame are formed with edge windings, but the edge windings may not be formed. Moreover, you may form so that the touch may be good by methods other than edge winding.

  Furthermore, in each of the embodiments described above, the molded body is formed with uneven portions in order to increase the strength, but the uneven portions may not be provided.

  Furthermore, in each of the above embodiments, the filter is attached to the molded body by an adhesive, but the filter may be attached by a method other than the adhesive. Also, there is no need for a filter.

  Furthermore, in each of the embodiments described above, the filter is formed from a non-woven fabric or the like, but may be formed from other materials such as a mesh-like woven fabric.

  Furthermore, in each said embodiment, although the metal foil molded object was installed and used for a range hood etc., it may be used for another use.

  Further, in each of the above-described embodiments, when the two molded bodies are slid and spread, the edges of the molded bodies are in contact with each other so that the molded bodies do not separate from each other, for example, so as to serve as a stopper. A winding shape may be formed. Further, the stopper function may be provided by other methods.

DESCRIPTION OF SYMBOLS 11-12 ... Metal foil molded object 15-18 ... Frame 21-22 ... Molded part 25 ... Filter 31-32 ... Molded part 44 ... Space 45-46 ... Frame 51-52 ... Molded part In addition, the same code | symbol in each figure is Indicates the same or equivalent part.

Claims (3)

A method for producing a metal foil molded body composed of a frame comprising a plurality of molded parts,
Preparing a plurality of strip-shaped metal foils corresponding to each of the molded parts;
Arranging each of the prepared metal foils to correspond to each position of the molded part;
A method for producing a metal foil molded body, comprising: integrally punching the arranged metal foil and press-molding the whole. A method for producing a metal foil molded body composed of a frame comprising a plurality of molded parts,
A step of preparing a plurality of metal foils that match the developed state of each of the molded parts;
Forming each of the molded parts by forming each of the prepared metal foils;
A method for producing a metal foil molded body, comprising the step of connecting and integrating each of the formed molded parts. The method of manufacturing a metal foil molded body according to claim 2 , wherein the step of forming each of the molded parts includes a step of rim-wrapping each outer edge of the prepared metal foil.

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