Layered mold for appliques

Abstract

A layered mold for a decoration piece includes a first mold and a second mold. The first mold has a body with an opening surface, a pouring area with a periphery formed on the opening surface, and a plurality of pouring grooves each having a pouring opening formed on the pouring area. The second mold has a body with a mating surface, a through hole with a sidewall formed on the mating surface, and the sidewall surrounding a shape corresponding to the periphery of the pouring area. When the second mold is mated with the first mold, the mating surface faces and abuts against the opening surface, and the sidewall surrounds the periphery of the pouring area. Thus, after liquid silicone is injected into the plurality of pouring grooves and leveled, a layer of liquid silicone is injected into the through hole of the second mold, and the liquid silicone is solidified into a silicone sheet with a silicone sheet and a plurality of silicone blocks, so that the decoration piece can be quickly manufactured and have different colors in layers.

Description

Technical Field

[0001] This invention relates to a mold for molding silicone; more particularly to a layered mold for decorative pieces. Background Technology

[0002] Existing methods for producing silicone decorative pieces with different colors and depths generally involve using screen printing, layering silicone pieces one by one to form the shape. Alternatively, a dispensing machine can be used in conjunction with a mold for positioning, with the robotic arm of the dispensing machine spraying the silicone at multiple single points to form the shape.

[0003] The existing methods for manufacturing silicone decorative pieces, whether using screen printing to stack layers of silicone or using a robotic arm to spray and stack silicone, are all very time-consuming and have low production capacity. Furthermore, creating silicone decorative pieces with different colors or varying heights and depths in different areas further increases production costs and time. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to provide a mold that can be layered to produce silicone decorative sheets by sequentially injecting liquid silicone into each layer of the mold, which can shorten the production time and increase the output, and can produce decorative sheets with different colors in layers, or produce decorative sheets in three-dimensional irregular shapes.

[0005] To achieve the above objectives, the present invention provides a layered mold for decorative pieces, comprising a first mold and a second mold. The first mold has a first mold body with an opening surface. The opening surface has an edge forming a casting area, which has a periphery that is closed. Multiple casting grooves are formed in the casting area, each forming a casting gate. The second mold has a second mold body with a mating surface. A through hole is formed inside the second mold body, penetrating the mating surface. The through hole has a sidewall whose outline matches the outline of the periphery. When the second mold mates with the first mold, the mating surface faces the opening surface and abuts against it. The sidewall surrounds the periphery of the casting area, and the through hole communicates with the multiple casting gates.

[0006] In use, liquid silicone is first injected into the plurality of pouring ports of the first mold to fill the plurality of pouring slots. Then, the excess liquid silicone overflowing from the opening surface is smoothed out with a scraper. Next, the second mold is fitted onto the first mold, with the sidewalls surrounding the periphery of the pouring area. Then, a layer of liquid silicone is injected into the through-hole of the second mold to cover the pouring area of ​​the first mold. Finally, the liquid silicone within the layered mold of the decorative piece solidifies into a decorative piece.

[0007] The advantage of this invention lies in the fact that by utilizing the layered mold design of the decorative piece, including a first mold and a second mold, liquid silicone is injected sequentially into the plurality of pouring grooves and the through holes, thereby solidifying the liquid silicone into a decorative piece. This process is time-saving and fast, increasing the production capacity of decorative pieces, which can then be applied to shoes, clothing, bags, and other items suitable for heat fusion. When different colors of liquid silicone are injected sequentially into each layer of the invention, decorative pieces with different colors can be formed. Furthermore, the decorative pieces produced by this invention can have irregular three-dimensional shapes by designing the plurality of pouring grooves of the first mold as grooves of varying lengths or shapes, resulting in visually varied and aesthetically pleasing designs. Attached Figure Description

[0008] Figure 1 This is a perspective view of the first preferred embodiment of the present invention.

[0009] Figure 2 This is an exploded view of the first preferred embodiment of the present invention.

[0010] Figure 3 for Figure 1 Top view.

[0011] Figure 4 for Figure 3 A sectional view along the 4-4 direction.

[0012] Figure 5 for Figure 1 A 3D view of the first mold in China.

[0013] Figure 6 for Figure 1 A three-dimensional view of the second mold fitting into the first mold.

[0014] Figure 7 This is a three-dimensional image of a decorative piece made using a layered mold.

[0015] Figure 8 This is a three-dimensional view of a decorative piece made using a layered mold.

[0016] Figure 9 This is a perspective view of the second preferred embodiment of the present invention.

[0017] Figure 10 for Figure 9 Top view.

[0018] Figure 11 for Figure 10 A sectional view along the 11-11 direction.

[0019] Figure 12 for Figure 10 A sectional view along the 12-12 direction.

[0020] Explanation of reference numerals in the attached figures:

[0021] 100, 100A: Layered molds for decorative pieces

[0022] 10, 10A: First mold

[0023] 12, 12A: First mold body

[0024] 121A: Sheet

[0025] 122A: Top surface of shelf

[0026] 123A: Positioning groove

[0027] 124A: Bottom surface of the shelf

[0028] 125A: Positioning bump

[0029] 14, 14A: Opening surface

[0030] 141: Edge

[0031] 142, 142A: Casting Zone

[0032] 143: Surrounding Area

[0033] 16, 16A: Casting tank

[0034] 161, 161A: Gating gate

[0035] 18, 18A: Locating pin insertion hole

[0036] 20, 20A: Second mold

[0037] 22, 22A: Second mold body

[0038] 24, 24A: Top surface

[0039] 26, 26A: mating surfaces

[0040] 28, 28A: Through holes

[0041] 281, 281A: Sidewall

[0042] 282: convex ring

[0043] 29, 29A: Positioning pins

[0044] L: Opening / closing direction

[0045] L1: Central axis

[0046] 30: Trim

[0047] 32: Silicone sheet

[0048] 34: Silicone blocks Detailed Implementation

[0049] To more clearly illustrate the present invention, preferred embodiments are described in detail below with reference to the accompanying drawings. Please refer to... Figures 1 to 4 As shown, the first preferred embodiment of the present invention is a layered mold 100 for a decorative piece, which includes a first mold 10 and a second mold 20; the second mold 20 can be engaged with the first mold 10 along an opening and closing direction L, and in this preferred embodiment, the opening and closing direction L is the up and down direction.

[0050] The first mold 10 includes a first mold body 12. In this preferred embodiment, the first mold body 12 is a rectangular plate with an opening surface 14 formed on the upper side of the first mold body 12. The opening surface 14 has an edge 141 around its perimeter, and a casting area 142 is formed in the middle of the opening surface 14. The casting area 142 has a periphery 143 around its periphery, which is closed and spaced from the edge 141. In this preferred embodiment, the casting area 142 is S-shaped; in other preferred embodiments, the shape of the casting area 142 can also be designed as a circle, square, or other shapes as needed.

[0051] A plurality of casting grooves 16 are formed in the casting area 142, and each of the plurality of casting grooves 16 forms a casting gate 161 in the casting area 142. In this preferred embodiment, the plurality of casting grooves 16 are cylindrical elongated grooves arranged in a matrix, with one end of each of the plurality of casting grooves 16 in opposite vertical directions being a closed end, and the other end forming the casting gate 161. In other preferred embodiments, the plurality of casting grooves 16 may also be cylindrical elongated grooves of other shapes such as conical or polygonal. In this preferred embodiment, each of the plurality of casting grooves 16 has a central axis L1 extending in the vertical direction, and the plurality of central axes L1 are parallel to each other and perpendicular to the opening surface 14. To ensure that the second mold 20 can be preferably positioned when it mates with the first mold 10, a positioning pin hole 18 is formed at three of the four corners of the outer periphery of the opening surface 14; in other preferred embodiments, two or four or more positioning pin holes 18 may also be formed only on the outer periphery of the opening surface 14.

[0052] The second mold 20 has a second mold body 22. In this preferred embodiment, the second mold body 22 is a rectangular plate. A top surface 24 and a mating surface 26 are formed on opposite sides of the second mold body 22. A through hole 28 is formed inside the second mold body 22, which passes through the middle part of the top surface 24 and the mating surface 26. The through hole 28 has a side wall 281. The outline of the shape surrounded by the side wall 281 is S-shaped, and the shape surrounded by the side wall 281 is the same as the shape of the casting area 142. A protruding ring 282 is formed on the periphery of the end of the through hole 28 away from the mating surface 26. The protruding ring 282 protrudes from the top surface 24. In other preferred embodiments, the outline of the shape surrounded by the sidewall 281 can also match the shape of the casting area 142, and the outline of the shape surrounded by the sidewall 281 can be set to a circle, a square or other shape; that is, when the second mold 20 and the first mold 10 are engaged, the part of the opening surface 14 surrounded by the sidewall 281 is the casting area 142, and the shape of the casting area 142 is defined by the shape of the through hole 28.

[0053] Corresponding to the shape and position of the three positioning pin holes 18 of the first mold 10, a positioning pin 29 is connected to three of the four corners of the outer periphery of the mating surface 26. In other preferred embodiments, two, four, or more positioning pins 29 can also be connected to the outer periphery of the mating surface 26 to match the position and number of the plurality of positioning pin holes 18 included in the first mold 10. When the second mold 20 mates with the first mold 10 along the opening and closing direction L, the mating surface 26 faces the opening surface 14 and abuts against the opening surface 14. At this time, the plurality of positioning pins 29 are respectively inserted into the plurality of positioning pin holes 18 for positioning. The sidewall 281 surrounds the periphery 143 of the casting area 142, and the through hole 28 communicates with the plurality of casting grooves 16 through the plurality of casting ports 161.

[0054] When manufacturing silicone decorative sheets using the layered mold 100 of the first preferred embodiment of the present invention, please refer to... Figures 5 to 8 As shown, firstly, using only the first mold 10, liquid silicone is injected into the plurality of casting grooves 16 through the plurality of pouring ports 161 of the first mold 10. Then, the liquid silicone overflowing onto the opening surface 14 is scraped off by scraping it flat with a scraper. Next, the second mold 20 is aligned with the first mold 10 along the opening direction L. At this time, the sidewall 281 surrounds the periphery 143 of the casting area 142, and the through hole 28 communicates with the plurality of casting grooves 16 through the plurality of pouring ports 161. Then, a layer of liquid silicone is injected into the through hole 28 of the second mold 20, so that the layer of liquid silicone at least fills the bottom end of the through hole 28 and completely covers the casting area 142 of the first mold 10.

[0055] Finally, the liquid silicone in the first mold 10 and the second mold 20 is heated to solidify the liquid silicone into a decorative piece 30. The decorative piece 30 includes a silicone sheet 32 ​​solidified within the through hole 28, and multiple silicone blocks 34 of varying lengths and elongated columnar shapes solidified within the multiple casting grooves 16, with the multiple silicone blocks 34 connected to the silicone sheet 32. When different colors of liquid silicone are successively injected into the multiple casting grooves 16 and the through hole 28 during the manufacturing process of the decorative piece 30 using this invention, a decorative piece 30 with two layers of different colors can be formed.

[0056] When manufacturing the decorative piece 30 using the layered mold 100 of this invention, it is only necessary to inject liquid silicone into the first mold 10 and smooth it out, and then inject liquid plastic into the second mold 20 that is attached to the first mold 10. This allows the layered mold 100 to be heated and its internal liquid silicone to solidify into the decorative piece 30. This process is time-saving and therefore has high production capacity. It can also produce layered decorative pieces 30 with different colors in a time-saving manner. In addition, by designing the multiple pouring grooves 16 of the first mold 10 to have different lengths and shapes, multiple silicone blocks 34 with different lengths and shapes can be produced. The multiple silicone blocks 34 are connected to the decorative piece 30 of the silicone sheet 32, so that the decorative piece 30 is made into a three-dimensional irregular shape, presenting different visual changes and shapes.

[0057] In addition to the first preferred embodiment described above, in which the first mold body 12 is configured as a single-layer structure, the present invention can also be configured as described in the second preferred embodiment below, in which the first mold body 12 comprises at least two layers along the opening and closing direction L. In this way, the plurality of casting grooves 16 can be divided into multiple segments along with the at least two layers of the first mold body 12. During the manufacturing of decorative pieces, different colored silicone can be injected sequentially into the casting grooves 16 corresponding to each layer of the first mold body 12, so that the plurality of silicone blocks formed by the plurality of casting grooves 16 have at least two different colors, and the plurality of silicone blocks themselves also have segmented different colors.

[0058] Please refer to the following: Figures 9 to 12 In the second preferred embodiment of the present invention shown, the layered mold 100A of the decorative piece has a first mold 10A and a second mold 20A. The second mold 20A is used to engage with the first mold 10A along an opening / closing direction L.

[0059] The first mold 10A includes a first mold body 12A, which includes two stacked layers 121A. In the two stacked layers 121A, the upper layer 121A aligns with the lower layer 121A along the opening / closing direction L, and the length of the upper layer 121A along the opening / closing direction L is less than the length of the lower layer 121A along the opening / closing direction L. Each layer 121A is a rectangular plate. An opening surface 14A is formed on the upper side of the uppermost layer 121A, and a casting area 142A is formed in the middle of the opening surface 14A. In the second preferred embodiment, the shape of the casting area 142A is the same as that in the first preferred embodiment, and multiple positioning pin holes 18A are formed on the outer periphery of the opening surface 14A.

[0060] In the two adjacent shelves 121A, the lower shelf 121A has a top surface 122A, with multiple positioning grooves 123A formed on its outer periphery. The upper shelf 121A has a bottom surface 124A, with at least multiple positioning protrusions 125A connected to its outer periphery. These protrusions 125A are inserted into the positioning grooves 123A for positioning, ensuring a more stable positioning of the stacked shelves 121A. In this preferred embodiment, the multiple positioning pin holes 18A are formed on the uppermost shelf 121A, corresponding vertically to the positions where the positioning protrusions 125A connect to the shelf 121A. Furthermore, the number of layer plates 121A included in the first mold body 12A is not limited to the two mentioned above. In other preferred embodiments, when the first mold body 12A is configured to include three or more stacked layer plates 121A, the structure described above, in which the plurality of positioning protrusions 125A are respectively inserted into the plurality of positioning grooves 123A for positioning between any two adjacent layer plates 121A, is also formed.

[0061] Multiple casting grooves 16A are formed in the casting area 142A. Each casting groove 16A is a columnar, elongated groove with one end closed and the other end forming a casting port 161A. A portion of the casting grooves 16A penetrate only into the uppermost layer 121A, with the closed ends of the multiple casting grooves 16A located within the uppermost layer 121A. The remaining casting grooves 16A pass through at least one layer 121A. For example, in this preferred embodiment, the multiple casting grooves 16A pass through the upper layer 121A, with the closed ends of the multiple 16A located within the lower layer 121A. Overall, the closed ends of all the casting grooves 16A are located within one of the two layers 121A. In other preferred embodiments, when the first mold body 12A is configured to include three or more layers 121A, and the multiple layers 121A are arranged in an up-and-down stacked manner, the number of layers 121A through which the multiple casting grooves 16A pass can be designed arbitrarily by the user, so that the closed ends of the multiple casting grooves 16A can be located in the uppermost layer 121A, or pass through at least one layer 121A and be located in any layer 121A below the uppermost layer 121A.

[0062] The second mold 20A has a second mold body 22A. In this preferred embodiment, the second mold body 22A is a rectangular plate. A top surface 24A and a mating surface 26A are formed on opposite sides of the second mold body 22A. A through hole 28A is formed inside the second mold body 22A, which penetrates the middle portion of the top surface 24A and the mating surface 26A. The through hole 28A has a side wall 281A, and the outline of the side wall 281A matches the outline of the periphery of the casting area 142A. Corresponding to the shape and position of the plurality of locating pin holes 18A of the second mold 20A, a plurality of locating pins 29A are connected to the outer periphery of the mating surface 26A. When the second mold 20A aligns with the first mold 10A along the opening / closing direction L, the mating surface 26A faces and abuts against the opening surface 14A. At this time, the plurality of positioning pins 29A are respectively inserted into the plurality of positioning pin holes 18A for positioning. The side wall 281A surrounds the periphery of the casting area 142A, so that the through hole 28A communicates with the plurality of casting grooves 16A through the plurality of casting ports 161A.

[0063] When the layered mold 100A of the decorative piece according to the second preferred embodiment of the present invention is used, the layers 121A of the first mold 10A are used sequentially from bottom to top. Liquid silicone is first injected into a portion of the casting groove 16A of the lowest layer 121A. After scraping off the excess liquid silicone from the top surface 122A of the layer 121A, the next layer 121A is stacked on top of the lowest layer 121A, and liquid silicone is injected into the portion of the casting groove 16A of the layer 121A, and so on. In this preferred embodiment, the upper layer 121A is stacked on top of the lower layer 121A and positioned before liquid silicone is injected into the portion of the casting groove 16A of the layer 121A. After all the portion of the casting groove 16A of all the layers 121A have been injected with liquid silicone, the excess liquid silicone on the opening surface 14A is scraped off.

[0064] Next, the second mold 20A is aligned with the first mold 10A along the opening / closing direction L, so that the sidewall 281A of the through hole 28A surrounds the periphery of the casting area 142A, and the through hole 28A communicates with the multiple casting ports 161A and the multiple casting grooves 16A. Then, a layer of liquid silicone is injected into the through hole 28A of the second mold 20A, so that the layer of liquid silicone at least fills the bottom end of the through hole 28A and completely covers the casting area 142A of the first mold 10A. Finally, the liquid silicone in the first mold 10A and the second mold 20A is heated to solidify the liquid silicone into the decorative sheet. When the liquid silicone injected into the casting grooves 16A of each layer plate 121A is a different color from the liquid silicone injected into the through hole 28A, multiple layers of decorative sheets of different colors can be formed, especially the columnar portion of the decorative sheet can have segmented different colors.

[0065] The above description is only a preferred and feasible embodiment of the present invention. Any equivalent changes made by applying the present invention specification and claims should be included within the patent scope of the present invention.

Claims

1. A layered mold for decorative pieces, comprising: A first mold includes a first mold body having an opening surface with an edge forming a casting area on the opening surface. The casting area has a periphery that is closed. Multiple casting grooves are formed in the casting area, each forming a pouring gate in the casting area. A second mold has a second mold body, the second mold body having a pair of mating surfaces; a through hole is formed inside the second mold body, the through hole penetrating the mating surfaces, and the through hole has a side wall, the outline of the side wall surrounding the periphery conforming to the outline shape of the periphery; when the second mold mates with the first mold, the mating surfaces face the opening surface and the mating surfaces abut against the opening surface, the side wall surrounds the periphery of the casting area, and the through hole communicates with a plurality of casting ports.

2. The layered mold for the decorative piece as described in claim 1, wherein the plurality of casting grooves are columnar elongated grooves with one end of each end in opposite directions being a closed end and the other end forming the casting gate; the plurality of casting grooves each have a central axis, and the plurality of central axes are parallel to each other and perpendicular to the opening surface.

3. The layered mold for the decorative piece as described in claim 2, wherein the outline of the sidewall surrounding shape is S-shaped; and the shape of the casting area is S-shaped.

4. The layered mold for the decorative piece as claimed in claim 1, wherein the second mold body has a top surface, the top surface and the mating surface are formed on two sides opposite in direction to the second mold body; a protruding ring is formed at the periphery of the end of the through hole away from the mating surface, the protruding ring protruding from the top surface.

5. The layered mold for the decorative piece as claimed in claim 1, wherein the first mold body comprises at least two layers; the at least two layers are stacked vertically; the opening surface is formed on the uppermost layer; the plurality of casting grooves are columnar elongated grooves with one end of each end in opposite directions being a closed end and the other end forming the casting port; the plurality of casting grooves penetrate into the uppermost layer or pass through at least one of the at least two layers; the plurality of closed ends are respectively located within one of the at least two layers.

6. The layered mold for the decorative piece as described in claim 1, wherein the first mold body is a plate, the casting area is formed in the middle part of the opening surface, and at least a plurality of positioning pin holes are formed in the outer periphery of the opening surface; the second mold body is a plate, the through hole penetrates the middle part of the mating surface, and at least a plurality of positioning pins are connected in the outer periphery of the mating surface; when the second mold and the first mold are mated, the plurality of positioning pins are respectively inserted into the plurality of positioning pin holes for positioning.

7. The layered mold for the decorative piece as described in claim 6, wherein the first mold body comprises at least two layer plates; the at least two layer plates are stacked vertically; the opening surface is formed on the uppermost layer plate; the lower layer plate among the two adjacent layer plates has a top surface, and at least a plurality of positioning grooves are formed on the outer periphery of the top surface of the layer plate; the upper layer plate has a bottom surface, and at least a plurality of positioning protrusions are connected to the outer periphery of the bottom surface of the layer plate, and the plurality of positioning protrusions are respectively inserted into the plurality of positioning grooves for positioning.

8. The layered mold for the decorative piece as claimed in claim 7, wherein the plurality of casting grooves are columnar elongated grooves with one end of each end in opposite directions being a closed end and the other end forming the casting gate; the plurality of casting grooves penetrate into the uppermost layer plate or pass through at least one of the at least two layer plates; the plurality of closed ends are respectively located within one of the at least two layer plates.

9. The layered mold for the decorative piece as claimed in claim 8, wherein the second mold is engaged with the first mold along an opening and closing direction; the first mold body includes two layer plates, the two layer plates are stacked vertically along the opening and closing direction, and the length of the upper layer plate along the opening and closing direction is less than the length of the lower layer plate along the opening and closing direction.

10. The layered mold for the decorative piece as claimed in claim 9, wherein the plurality of positioning pin holes are formed on the uppermost layer plate, and the positions of the plurality of positioning pin holes formed on the layer plate correspond vertically to the positions of the plurality of positioning protrusions connected to the layer plate.

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