INJECTION MOLDING ONE-PIECE CUTTING BOARD

Abstract

An injection molding one-piece cutting board (2) comprises two pre-molding wear-resistant chopping plates (21) spaced apart from each other in parallel. Two holding holes (211) of the two chopping plates (21) are respectively press-fitted at an upper side and a lower side of a positioning block (31) arranged inside an injection molding mold (3). Two open groove portions (32) of the mold (3) are respectively arranged corresponding to an upper side of one chopping plate (21) and a lower side of the other chopping plate (21). A cover groove portion (33) of the mold (3) is surrounded the peripherals of the two chopping plates (21). A plastic material is injected into a space defined between the two chopping plates (21) and then filled with the plastic material to form a middle thickness support (22) and the cover groove portion (33) to form a frame (23).

Claims

1. An injection molding one-piece cutting board (2), comprising two pre-molding wear-resistant chopping plates (21); wherein one holding hole (211) is arranged at one side of each pre-molding wear-resistant chopping plate (21) and corresponding to each other, the two holding holes (211) are respectively bridged and press-fitted at an upper side and a lower side of a positioning block (31) arranged inside an injection molding mold (3) to limit the injection molding mold (3) before closing the mold (3), the two chopping plates (21) are arranged up and down in the mold (3) and spaced apart from each other in parallel, two open groove portions (32) are pre-reserved in a middle section of the mold (3) and respectively corresponding to an upper side of one chopping plate (21) which is arranged at upper position and a lower side of the other chopping plate (21) which is arranged at a lower position, and the two open groove portions (32) are arranged in parallel so as to be pressed and clipped by a top surface and a bottom surface in the mold (3) after closing the mold (3); a cover groove portion (33) is pre-reserved in the mold (3) and surrounded the peripherals of the two chopping plates (21); since a diverged plunger (311) is arranged at an inner side of the positioning block (31), a plastic material is injected into a space defined between the two chopping plates (21) after closing the mold (3) and then the space is filled with the plastic material to form a middle thickness support (22) between the two chopping plates (21); at the same time, the plastic material is also injected into the cover groove portion (33) to surround the peripherals of the two chopping plates (21) to form a frame (23) which may totally close and cover the peripherals of the two chopping plates (21); and then a one-piece cutting board (2) is directly molded while opening the mold (3).

2. The injection molding one-piece cutting board as claimed in claim 1, wherein a thickness of the frame (23) is thicker than a thickness of the middle thickness support (22) and the two chopping plates (21) so that the chopping plates (21) may be elevated to prevent from contacting with dirty water.

3. The injection molding one-piece cutting board as claimed in claim 1, wherein the two chopping plates (21) are non-transparent, and the colors of the two chopping plates (21) may be selected to distinguish the uses or products.

4. The injection molding one-piece cutting board as claimed in claim 1, wherein the two chopping plates (21) are transparent, a color of the middle thickness support (22) may be seen through the two chopping plates (21), or a picture (4) formed at an inner surface of each chopping plate (21) adjacent to the middle thickness support (22) may be seen so that the picture (4) may be totally isolated by the two chopping plates (21) and the frame (23).

5. The injection molding one-piece cutting board as claimed in claim 1, wherein a picture (4) may be pre-formed at an inner side of each chopping plate (21) adjacent to the middle thickness support (22) by printing, transfer printing, vacuum laminating, or drawing applying.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0019] All the objects, advantages, and novel features of the invention will become more apparent from the following detailed descriptions when taken in conjunction with the accompanying drawings.

[0020] FIG. 1 is an exploded view of an injection molding one-piece cutting board of the present invention.

[0021] FIG. 2 is a partial exploded view of the injection molding one-piece cutting board of the present invention.

[0022] FIG. 3 is a perspective view of the injection molding one-piece cutting board of the present invention before closing the mold.

[0023] FIG. 4 is a cross-sectional view of FIG. 3 along with line A-A.

[0024] FIG. 5 is an exploded view of FIG. 4.

[0025] FIG. 6 is a cross-sectional view of FIG. 3 along with line B-B.

[0026] FIG. 7 is an exploded view of FIG. 6.

[0027] FIG. 8 is a perspective view of the injection molding one-piece cutting board of the present invention after processing injection molding.

[0028] FIG. 9 is a perspective view of the injection molding one-piece cutting board of the present invention viewed from another angle after processing injection molding.

DESCRIPTION OF THE PREFERRED EMBODIMENT

[0029] Referring now to the drawings where like characteristics and features among the various figures are denoted by like reference characters.

[0030] Please refer to FIGS. 1 to 3, an injection molding one-piece cutting board 2 may comprise two pre-molding wear-resistant chopping plates 21. One holding holes 211 is arranged at one side of each pre-molding wear-resistant chopping plate 21 and corresponding to each other. The two holding holes 211 are respectively bridged and press-fitted at an upper side and a lower side of a positioning block 31 arranged inside an injection molding mold 3 to limit the injection molding mold 3 before closing the mold 3. The two chopping plates 21 are arranged up and down in the mold 3 and spaced apart from each other in parallel. Two open groove portions 32 are pre-reserved in a middle section of the mold 3 and respectively corresponding to an upper side of one chopping plate 21 which is arranged at upper position and a lower side of the other chopping plate 21 which is arranged at a lower position. And the two open groove portions 32 are arranged in parallel so as to be pressed and clipped by a top surface and a bottom surface in the mold 3 after closing the mold 3. A cover groove portion 33 is pre-reserved in the mold 3 and surrounded the peripherals of the two chopping plates 21.

[0031] Please refer to FIGS. 4 and 6, since a diverged plunger 311 is arranged at an inner side of the positioning block 31, a plastic material may be injected into a space defined between the two chopping plates 21 after closing the mold 3 and then the space is filled with the plastic material to form a middle thickness support 22 between the two chopping plates 21. At the same time, the plastic material may be also injected into the cover groove portion 33 to surround the peripherals of the two chopping plates 21 to form a frame 23 which may totally close and cover the peripherals of the two chopping plates 21. And then a one-piece cutting board 2 is directly molded while opening the mold 3 (shown as in FIGS. 5 and 7). The additional cutting process is not necessary and the total process is easier. The structure may become much firmer.

[0032] Preferably, a thickness of the frame 23 is thicker than a thickness of the middle thickness support 22 and the two chopping plates 21 so that the chopping plates 21 may be elevated to prevent from contacting with dirty water (shown as in FIGS. 5 and 7).

[0033] In some embodiments, the two chopping plates 21 may be non-transparent and plain. The colors of the two chopping plates 21 may be selected to distinguish the uses or products.

[0034] In some embodiments, the two chopping plates 21 may be transparent so that a color of the middle thickness support 22 may be seen through the two chopping plates 21 (shown as in FIGS. 8 and 9). Or, a picture 4 formed at an inner surface of each chopping plate 21 adjacent to the middle thickness support 22 may be seen so that the picture 4 may be totally isolated by the two chopping plates 21 and the frame 23. Therefore, the picture 4 may be protected safely and isolated absolutely to prevent the user from touching the picture 4 (shown as in FIGS. 5 and 7).

[0035] Preferably, the picture 4 may be pre-formed at an inner side of each chopping plate 21 adjacent to the middle thickness support 22 by printing, transfer printing, vacuum laminating, or drawing applying.

[0036] The foregoing descriptions are merely the exemplified embodiments of the present invention, where the scope of the claim of the present invention is not intended to be limited by the embodiments. Any equivalent embodiments or modifications without departing from the spirit and scope of the present invention are therefore intended to be embraced.

[0037] The disclosed structure of the invention has not appeared in the prior art and features efficacy better than the prior structure which is construed to be a novel and creative invention, thereby filing the present application herein subject to the patent law.