TW202138157A - Mold for manufacturing tool box and tool box - Google Patents

Abstract

A mold for manufacturing tool box is adapted for receiving plastic material to form a tool box. The mold includes a first mold and a second mold. The first mold is formed with a first mold groove. An opening of the first mold groove includes two first fringes disconnected to each other. At least one second fringe is located between the two first fringes. A first round corner is formed between each of the first fringes and the adjacent second fringe. The second mold is formed with a second mold groove. An opening of the second mold groove includes two third fringes disconnected to each other. At least one fourth fringe is located between the two third fringes. A second round corner is formed between each of the third fringes and the adjacent fourth fringe. When the first mold and the second mold are closed, the third fringes are located outside the first fringes, and the second round corners are located outside the first round corners.

Description

Tool box mold and tool box

The present invention relates to tool boxes, and particularly relates to a mold for manufacturing tool boxes.

Generally speaking, tool boxes and tool boxes for storing tools, parts, etc. are usually made of plastic. In addition to those that directly inject plastic into the mold, in order to reduce the amount of plastic and greatly reduce the weight of the finished product, there are more Blow molder.

The tool box that is directly injection molded can only be molded with a single plastic, so the outer and inner surfaces of the tool box have the same color, which lacks aesthetics. If the color of the inner and outer surfaces is different, multiple injection molding must be performed, which is very cumbersome. ; The blow molding tool box can use two different color plastic sheets to separately mold the inner and outer surfaces of the tool box, and can produce tool boxes with different colors on the inner and outer surfaces, as described in the patent TW I357378.

However, when the two half-shells of the tool box are closed, the inner surface is completely hidden, and only the color of the outer surface is exposed. There is not much improvement in the aesthetics of the appearance. If you want to increase the color change of the appearance, It is necessary to perform additional coloring procedures, which is very troublesome, and the additional coloring parts are easy to fade after rubbing, so there is a need for improvement.

The main purpose of the present invention is to provide a tool box mold and a tool box that can directly form flanges of different colors on the outer edge of the tool box without additional coloring procedures.

To achieve the above object, the present invention provides a tool box mold for inserting plastic into a tool box. The tool box mold includes a first mold and a second mold.

The first mold is recessed with at least one first mold cavity, the opening of the first mold cavity includes at least two unconnected first edges, and at least one second edge is provided between the two ends of the two first edges, A first rounded corner is formed between each of the first edges and the adjacent second edges; the second mold is recessed with at least one second mold cavity corresponding to the at least one first mold cavity, and the second mold cavity The opening includes at least two third edges that are not connected to each other. There is at least one fourth edge between the two ends of the two third edges, and a second circle is formed between each third edge and its adjacent fourth edge Angle; wherein, when the first mold and the second mold are overlapped with the at least one first mold cavity and the at least one second mold cavity corresponding to each other, the two third edges are located outside the two first edges , The second rounded corners are located outside the first rounded corners.

In order to achieve the above-mentioned object, the present invention also provides a tool box, which is composed of two half-shells, and each half-shell is inserted into the mold of the tool box as described above with a first plastic sheet and a second plastic sheet. Made, wherein the first plastic sheet closely adheres to the inner wall of the at least one first mold cavity, the second plastic sheet closely adheres to the inner wall of the at least one second mold cavity, and each of the half-shells includes an opposite one A first surface and a second surface, the first surface is formed by the first plastic sheet, the second surface is formed by the second plastic sheet, and two corners of the first surface and the second surface are formed The first convex ribs protruding outwardly and separated from each other, each of the first convex ribs extends in an ㄇ shape, and each of the first convex ribs is formed by the second plastic sheet; wherein, the two half-shells have their first The two surfaces are opposite to each other and cover, the first ribs of the two half-shells correspond to each other, and the outer surfaces are aligned and continuous.

In order to achieve the above-mentioned object, the present invention also provides a tool box, which is composed of two connected half-shells. The two half-shells are inserted into the tool box as described above with a first plastic sheet and a second plastic sheet. It is made of a mold, wherein the first plastic sheet continuously extends on the two first mold cavities and closely adheres to the inner walls of the two first mold cavities, and the second plastic sheet continuously extends on the two second mold cavities And close to the inner walls of the two second mold cavities, each of the half-shells includes a first surface and a second surface opposite to each other. The first surface is formed by the first plastic sheet, and the second surface is formed by the The second plastic sheet is formed. At the intersection of the first surface and the second surface, two first ribs protruding outward and spaced apart from each other are formed. A protruding rib is formed by the second plastic sheet; wherein, the two half-shells are covered with their second surfaces facing each other, and the first protruding ribs of the two half-shells correspond to each other and the outer surfaces of the two half-shells are aligned with each other. It is continuous.

The following examples are only used to illustrate the possible implementation aspects of the present invention, but they are not intended to limit the scope of protection of the present invention, and are described first.

Please refer to FIG. 1 to FIG. 9, the mold of the tool box provided by the present invention is provided for inserting plastic into a tool box. The mold of the tool box includes a first mold 10 and a second mold 20.

The first mold 10 is recessed with at least one first mold cavity 11, the opening of the first mold cavity 11 includes at least two unconnected first edges 121, and the two first edges 121 have at least A second edge 123. A first rounded corner 122 is formed between each first edge 121 and its adjacent second edge 123; the second mold 20 is recessed with at least one corresponding to the at least one first mold cavity 11 A second mold cavity 21. The opening of the second mold cavity 21 includes at least two unconnected third edges 221. There is at least one fourth edge 223 between the two third edges 221. A second rounded corner 222 is formed between the three edges 221 and its adjacent fourth edge 223; wherein, when the first mold 10 and the second mold 20 share the at least one first mold cavity 11 and the at least one second mold cavity 11 When the mold cavities 21 overlap each other correspondingly, the two third edges 221 are located on the outer side of the two first edges 121, and the second rounded corners 222 are located on the outer side of the first rounded corners 122; in other words, when the first When the mold 10 and the second mold 20 are overlapped with the at least one first mold cavity 11 and the at least one second mold cavity 21 corresponding to each other, the third edge 221 of the at least one second mold cavity 21 and the second circle The corners 222 are shaped like long grooves that are recessed outward.

Preferably, at least part of at least one of the at least two second edges 123 is located outside the corresponding fourth edge 223. In other words, when the first mold 10 and the second mold 20 share the same relationship as the at least one When a cavity 11 and the at least one second cavity 21 are overlapped corresponding to each other, the second edge 123 of the at least one first cavity 11 is shaped like a recessed elongated groove; in this embodiment , The first mold 10 is recessed with two first mold cavities 11, the second mold 20 is recessed with two second mold cavities 21, the two first mold cavities 11 correspond to the two second mold cavities respectively 21. When the first mold 10 and the second mold 20 are overlapped corresponding to each other, the second edge 123 of one end of each first mold cavity 11 farther from the other first mold cavity 11 is located in the first mold The outer side of the fourth edge 223 of the second mold cavity 21 corresponding to the cavity 11; preferably, the first edges 121 of the two first mold cavities 11 are parallel to each other and have the same length, and the two second mold cavities 21 are The third edges 221 are parallel to each other and have the same length.

More preferably, the bottom surface of each second mold cavity 21 is recessed with at least one secondary mold cavity 23, the mold of the tool box further includes at least two secondary molds 30, and the at least two secondary molds 30 are embedded in the at least two secondary molds. In the cavity 23, by changing the auxiliary molds of different shapes, the inner contour of the formed tool box can be changed to match different tool sizes or types.

Specifically, the peripheral edge of the at least one first mold cavity 11 protrudes to form a first flange 12, the peripheral edge of the at least one second mold cavity 21 protrudes to form a second flange 22, and the first flange 12 The outer edge of the top surface is aligned with the outer edge of the top surface of the second flange 22 to form a continuous shape. The two first edges 121, the at least two second edges 123, and the first round corners 122 are formed on the second flange 22. The inner edge of the top surface of a flange 12, the two third edges 221, the at least two fourth edges 223, and the second rounded corners 222 are formed on the inner edge of the top surface of the second flange 22, and the first convex The width of the top surface of the rim 12 at the two first edges 121 and the first round corners 122 is greater than the width of the top surface of the second flange 22 at the two third edges 221 and the second round corners 222, The width of the top surface of the first flange 22 at the at least second edge 123 is smaller than the width of the top surface of the second flange 22 at the at least fourth edge 223; preferably, the width of the first flange 12 The side surface is an inclined surface, and the outer surface of the second flange 22 is also an inclined surface.

When using the mold of the above tool box for manufacturing, as shown in FIG. 3, a first plastic sheet 40 and a second plastic sheet 50 are placed between the first mold 10 and the second mold 20, so that the The first plastic sheet 40 is closer to the first mold 10, the second plastic sheet 50 is closer to the second mold 20, and then the first mold 10 and the second mold 20 are covered with each other, and then the first plastic Gas is injected into the space between the sheet 40 and the second plastic sheet 50, so that the first plastic sheet 40 and the second plastic sheet 50 are far away from each other and closely adhere to the first mold cavity 11 and the second mold cavity 21, respectively. After the molding is completed, a hollow structure is formed.

Manufactured by the above-mentioned tool box mold, the present invention also provides a tool box 60, which is composed of two half-shells 61, each of the half-shells 61 is made of a first plastic sheet 40 and a second plastic sheet 50 is placed in the mold of the tool box as described above, wherein the first plastic sheet 40 is tightly attached to the inner wall of the at least one first mold cavity 11, and the second plastic sheet 50 is tightly attached to the at least one second mold cavity. On the inner wall of the cavity 21, each half-shell 61 includes a first surface 611 and a second surface 612 opposite to each other. The first surface 611 is formed by the first plastic sheet 40 (the outer contour is formed by the first mold). The inner contour of the cavity 11 is determined), the second surface 612 is formed by the second plastic sheet 50 (the outer contour is determined by the inner contour of the second mold cavity 21), the first surface 611 and the second surface Two first ribs 613 protruding outwardly and separated from each other are formed at the corners of 612 (that is, formed by the concave groove formed at the third edge 221 of the second cavity 21 and the second rounded corner 222), Each of the first ribs 613 extends in an ㄇ shape, and each of the first ribs 613 is formed by the second plastic sheet 50; wherein, the two half-shell members 61 are covered with their second surfaces 612 facing each other, The first ribs 613 of the two half-shells 61 correspond to each other, and the outer surfaces are aligned in a continuous shape.

As mentioned above, since the first mold 10 may have two first mold cavities 11, and the second mold 20 may have two second mold cavities 21, the two half-shells 61 can be made of a first plastic sheet 40 and A second plastic sheet 50 is placed in the mold of the tool box as described above, and the first plastic sheet 40 continuously extends in the two first mold cavities 11 and is closely attached to the two first mold cavities 11 On the inner wall, the second plastic sheet 50 continuously extends over the two second mold cavities 21 and closely adheres to the inner wall of the two second mold cavities 21.

Preferably, the intersection of the first surface 611 and the second surface 612 of each half-shell member 61 is further formed with at least one second convex rib 614 protruding outward (that is, formed by the first mold cavity 11 The second edge 123 formed by the concave groove), the two first ribs 613 are respectively located on both sides of the at least one second rib 614, the at least one second rib 614 is formed by the first plastic sheet 40 Formed, the second ribs 614 of the two half-shells 61 correspond to each other and the outer surfaces are aligned and continuous; in addition, preferably, the colors of the first plastic sheet 40 and the second plastic sheet 50 are different, Make the color of the two first ribs 613 different from the color of the first surface 611 of the two half-shell 61; The touch feeling is different or the pattern is different, but it is not limited to this.

In this embodiment, when the two half-shells 61 are covered with each other with their second surfaces 612, the first ribs 613 of the two half-shells 61 together form a two-inch-shaped bismuth located on the left and right sides of the tool box. The second rib 614 of the two half-shells 61 together forms an elongated rib located at the top edge of the tool box. What’s important is that the first rib 613 and the second rib 614 are separated from each other by the The second plastic sheet 40 and the first plastic sheet 50 are formed, so the colors of the two are different, and the color of the second rib is the same as the outer surface of the tool box.

For example, if the first plastic sheet 40 is black and the second plastic sheet 50 is red, a tool box with a black appearance and red inner surface can be formed, and it is located on the left and right sides of the tool box, and is located in the two halves. The first rib 613 at the junction of the shells is red. Compared to the black appearance, the red first rib 613 is very eye-catching.

In summary, the mold of the tool box provided by the present invention and the tool box made with the mold can easily form a convex that is neat and has a color different from the appearance color of the tool box at the junction of the two halves of the tool box. The ribs do not require additional coloring of the ribs, and the material and color are the same as the inner surface of the tool box, and it is more integrated in design. The second plastic sheet of different colors can also be used to produce ribs of different colors. It can be used for marking. In addition, the color of the first rib is different from that of the second rib, which enhances the design sense.

10: The first mold 11: The first cavity 12: The first flange 121: first edge 122: first fillet 123: The second edge 20: The second mold 21: The second cavity 22: second flange 221: The Third Edge 222: second fillet 223: The Fourth Edge 23: Sub-mold cavity 30: Vice mold 40: The first plastic sheet 50: second plastic sheet 60: Tool box 61: half shell 611: first side 612: The second side 613: first rib 614: second rib

Figure 1 is a three-dimensional view of the mold of the tool box of the present invention. Figure 2 is a three-dimensional exploded view of the mold of the tool box of the present invention. Figure 3 is an exploded view of the A-A section. Figure 4 is a sectional view of A-A. Fig. 4A is a partial enlarged view of Fig. 4. Figure 5 is a cross-sectional view of the tool box of the present invention. Figure 6 is a B-B sectional perspective view. Fig. 6A is a partial enlarged view of Fig. 6. Figure 7 is a B-B sectional view. Figure 8 is another cross-sectional view of the tool box of the present invention. Figure 9 is a perspective view of the tool box of the present invention.

10: The first mold

11: The first cavity

12: The first flange

121: first edge

122: first fillet

123: The second edge

20: The second mold

21: The second cavity

22: second flange

221: The Third Edge

222: second fillet

223: The Fourth Edge

30: Vice mold

Claims (11)

A tool box mold for inserting plastic into a tool box. The tool box mold includes: A first mold recessed with at least one first mold cavity, the opening of the first mold cavity includes at least two unconnected first edges, and at least one second edge is provided between the two ends of the two first edges , A first rounded corner is formed between each first edge and its adjacent second edge; A second mold, recessed with at least one second mold cavity corresponding to the at least one first mold cavity, the opening of the second mold cavity includes at least two unconnected third edges, two of the two third edges There is at least one fourth edge between the ends, and a second rounded corner is formed between each third edge and its adjacent fourth edge; Wherein, when the first mold and the second mold are overlapped with the at least one first mold cavity and the at least one second mold cavity corresponding to each other, the two third edges are located outside the two first edges, and the The second rounded corners are located outside the first rounded corners. The tool box mold according to claim 1, wherein when the first mold and the second mold are overlapped with the at least one first mold cavity and the at least one second mold cavity corresponding to each other, the at least second mold At least part of at least one of the two edges is located outside the corresponding fourth edge. The tool box mold according to claim 1, wherein the peripheral edge of the at least one first mold cavity protrudes to form a first flange, and the peripheral edge of the at least one second mold cavity protrudes to form a second flange, the The outer edge of the top surface of the first flange is aligned with the outer edge of the top surface of the second flange to form a continuous shape. The two first edges, the at least two second edges, and the first rounded corners are formed on the first flange. The inner edge of the top surface of a flange, the two third edges, the at least two fourth edges, and the second rounded corners are formed on the inner edge of the top surface of the second flange, and the top surface of the first flange is on the The widths of the two first edges and the first rounded corners are greater than the widths of the top surface of the second flange at the two third edges and the second rounded corners. The width at the two edges is smaller than the width of the top surface of the second flange at the at least the fourth edge. The tool box mold according to claim 3, wherein the outer surface of the first flange is an inclined surface, and the outer surface of the second flange is also an inclined surface. The tool box mold according to claim 4, wherein the first mold is recessed with two first mold cavities, the second mold is recessed with two second mold cavities, and the two first mold cavities are respectively Corresponding to two second mold cavities; when the first mold and the second mold are overlapped correspondingly, each of the first mold cavities is farther away from the other one of the first mold cavities, and the second edge of one end is located at the first The outer side of the fourth edge of the second mold cavity corresponding to the mold cavity; the bottom surface of each second mold cavity is recessed with at least one mold cavity, the mold of the tool box further includes at least two molds, the at least two molds Embedded in the at least two secondary mold cavities; the first edges of the two first mold cavities are parallel to each other and the same length, and the third edges of the two second mold cavities are parallel to each other and the same length. A tool box is composed of two half-shells, each of the half-shells is inserted into the mold of the tool box as described in any one of claims 1 to 4 with a first plastic sheet and a second plastic sheet Made, wherein the first plastic sheet closely adheres to the inner wall of the at least one first mold cavity, the second plastic sheet closely adheres to the inner wall of the at least one second mold cavity, and each of the half-shells includes an opposite one A first surface and a second surface, the first surface is formed by the first plastic sheet, the second surface is formed by the second plastic sheet, and two corners of the first surface and the second surface are formed The first convex ribs that protrude outward and are separated from each other, each of the first convex ribs extends in an ㄇ shape, and each of the first convex ribs is formed by the second plastic sheet; Wherein, the two half-shells are covered with their second surfaces facing each other, and the first ribs of the two half-shells correspond to each other and the outer surfaces are aligned and continuous. The tool box according to claim 6, wherein at least one second convex rib protruding outward is formed at the intersection of the first surface and the second surface of each half-shell member, the two first convex ribs Located on both sides of the at least one second convex rib, the at least one second convex rib is formed by the first plastic sheet, and the second convex ribs of the two half-shells correspond to each other and the outer surfaces are aligned in a continuous shape . The tool box according to claim 6, wherein the colors of the first plastic sheet and the second plastic sheet are different, so that the color of the two first ribs is different from the color of the first surface of the two half-shells. A tool box is composed of two connected half-shells. The two half-shells are made by inserting a first plastic sheet and a second plastic sheet into the mold of the tool box according to claim 5, wherein The first plastic sheet continuously extends on the two first mold cavities and closely adheres to the inner walls of the two first mold cavities, and the second plastic sheet continuously extends on the two second mold cavities and closely adheres to the second mold cavities. The inner walls of two mold cavities, each of the half-shells includes a first surface and a second surface opposite to each other, the first surface is formed by the first plastic sheet, and the second surface is formed by the second plastic sheet At the corner of the first surface and the second surface, two first ribs protruding outward and spaced apart from each other are formed. Formed by two plastic sheets; Wherein, the two half-shells are covered with their second surfaces facing each other, and the first ribs of the two half-shells correspond to each other and the outer surfaces are aligned and continuous. The tool box according to claim 9, wherein at least one second convex rib protruding outward is formed at the intersection of the first surface and the second surface of each half-shell member, the two first convex ribs Located on both sides of the at least one second convex rib, the at least one second convex rib is formed by the first plastic sheet, and the second convex ribs of the two half-shells correspond to each other and the outer surfaces are aligned in a continuous shape . The tool box according to claim 6, wherein the colors of the first plastic sheet and the second plastic sheet are different, so that the color of the two first ribs is different from the color of the first surface of the two half-shells.

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