An injection mold for producing two-color scissors

Abstract

The utility model relates to the technical field of molds, and discloses an injection mold for producing two-color scissors, comprising an upper mold and a lower mold, wherein plug-in strips for connection are fixedly installed around the bottom of the upper mold, and plug-in slots for plugging can be opened at positions corresponding to the plug-in strips on the top of the lower mold, and further comprising: mold grooves for installing the molds opened at the bottom of the upper mold and the top of the lower mold, wherein connecting structures are fixedly installed inside the mold grooves, and molding parts one and two for production are plugged and installed in the mold grooves through the connecting structures. The utility model cooperates with each other between the above structures, and while facilitating demoulding, a single damaged mold can be replaced and maintained, and is more convenient and practical than traditional injection molds.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to an injection mold for producing two-color scissors. Background Art

[0002] The keycap bracket is a component used to support and fix the keyboard keycaps. Usually made of plastic or metal, one end of the bracket is fixed to the bottom of the keyboard, and the other end is used to support the keycaps to keep them stable and vertical. The structure of the keycap bracket is mostly two sub-brackets that are movably connected to each other. It is a scissor-type structure, and in order to avoid errors during installation that affect use, the two sub-brackets are often set to different colors for easy identification during installation, so they are generally called "two-color scissors".

[0003] The keycap bracket can be produced by a variety of processing methods, generally stamping and injection molding. Although stamping is fast, the surface of the bracket will be slightly deformed due to stamping, and it also needs to be polished to make its surface smooth, which is cumbersome during production and affects production efficiency. Injection molding is inconvenient to demold and the product has burrs, resulting in poor quality of the injection molded product. In addition, the injection mold is easy to damage the mold when taking out the keycap bracket after shaping, and the existing mold is inconvenient to maintain. In order to solve the above problems, while facilitating demolding, it is easy to maintain the mold. For this reason, we propose an injection mold for the production of two-color scissors. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an injection mold for producing two-color scissors, which solves the above-mentioned problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold for producing two-color scissors, comprising an upper mold and a lower mold, wherein plug-in strips for connection are fixedly installed around the bottom of the upper mold, and plug-in slots for plugging can be opened at positions corresponding to the plurality of plug-in strips on the top of the lower mold, and further comprising:

[0006] The bottom of the upper mold and the top of the lower mold are provided with mold grooves for installing the molds, and connection structures are fixedly installed inside the mold grooves. The mold grooves are plugged with molding part 1 and molding part 2 for production through the connection structures.

[0007] Preferably, a plurality of limiting holes are formed on the plug-in strip at equal intervals, and limiting screws are threadedly connected at positions on the outer wall surface of the lower mold corresponding to the limiting holes.

[0008] Preferably, the connecting structure includes a sliding rod, a slider and a limit block, the limit blocks are fixedly installed inside the mold groove, the bottom of the molding part one and the top of the molding part two are fixedly installed with a sliding rod, and the other end of the sliding rod is fixedly installed with a slider.

[0009] Preferably, the position of the limit block corresponding to the sliding block is provided with a corresponding insertion groove, and the inner part and the top of the limit block corresponding to the sliding rod and the sliding block are provided with corresponding sliding grooves.

[0010] Preferably, the top of the shaping piece 1 and the bottom of the shaping piece 2 are both provided with molding grooves for shaping, and the ends of the shaping piece 1 and the shaping piece 2 are both provided with connecting grooves for connection at positions corresponding to the molding grooves.

[0011] Preferably, an injection groove connected to the connecting groove is provided at the bottom of the upper mold and the top of the lower mold at positions corresponding to the positions between the plurality of molding parts 1 and the molding parts 2.

[0012] Preferably, a sealing edge is fixedly installed on the top of the shaping member 1 at a position corresponding to the side of the forming groove, and a sealing groove is opened on the bottom of the shaping member 2 at a position corresponding to the sealing edge, and the sealing edge and the sealing groove fit each other.

[0013] Compared with the prior art, the utility model provides an injection mold for producing two-color scissors, which has the following beneficial effects:

[0014] 1. The injection mold for producing two-color scissors has a limiting hole and a limiting screw. After the upper mold is plugged and installed on the top of the lower mold, the upper mold can be limited through the connection between the limiting screw and the limiting hole, thereby enhancing the sealing between the two.

[0015] 2. The injection mold for producing two-color scissors has a connecting mechanism. When installing or replacing the shaping part 1 and the shaping part 2, it is only necessary to align the slider with the insertion groove provided on the limit block, and then rotate the shaping part 1 or the shaping part 2 to slide along the slide groove provided on the limit block to complete the installation of the shaping part 1 or the shaping part 2. When disassembling, it is only necessary to rotate the shaping part 1 or the shaping part 2 counterclockwise. Both installation and disassembly are more convenient, thereby facilitating subsequent maintenance and replacement work, and being more practical.

[0016] 3. The injection mold for producing two-color scissors is connected between the connecting groove and the injection groove. When injection molding is required, the melted plastic only needs to be injected into the interior of the upper mold and the lower mold through one end of the injection groove. The plastic will be diverted along the injection grooves opened on the upper mold and the lower mold, and then injected into a plurality of molding parts one and two in turn, filling the molding groove until the plastic is discharged from the injection groove at the other end, which is more convenient when performing injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the second shaping member and the limit block of the utility model.

[0019] In the figure: 1. upper mold; 2. lower mold; 3. plug-in strip; 4. plug-in slot; 5. mold slot; 6. shaping part 1; 7. shaping part 2; 8. limiting hole; 9. limiting screw; 10. sliding rod; 11. sliding block; 12. limiting block; 13. insertion slot; 14. sliding slot; 15. molding slot; 16. connecting slot; 17. injection slot; 18. sealing edge; 19. sealing slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-2 , an injection mold for producing two-color scissors, comprising an upper mold 1 and a lower mold 2, wherein plug-in strips 3 for connection are fixedly installed around the bottom of the upper mold 1, and plug-in slots 4 for plugging can be opened at positions corresponding to the plug-in strips 3 on the top of the lower mold 2, and further comprising:

[0022] A mold groove 5 for installing the mold is opened at the bottom of the upper mold 1 and the top of the lower mold 2. A connecting structure is fixedly installed inside the mold groove 5. The mold groove 5 is plugged with a molding part 1 6 and a molding part 2 7 for production through the connecting structure.

[0023] Furthermore, a number of limiting holes 8 are equidistantly provided on the plug-in strip 3, and limiting screws 9 are threadedly connected at positions corresponding to the limiting holes 8 on the outer wall surface of the lower mold 2. Through the setting of the limiting holes 8 and the limiting screws 9, after the upper mold 1 is plugged and installed on the top of the lower mold 2, the upper mold 1 can be limited through the connection between the limiting screws 9 and the limiting holes 8, thereby enhancing the sealing between the two.

[0024] Furthermore, the connecting structure includes a slide bar 10, a slider 11 and a limit block 12. The limit blocks 12 are fixedly installed inside the mold groove 5. The bottom of the molding part 1 6 and the top of the molding part 2 7 are fixedly installed with the slide bar 10, and the other end of the slide bar 10 is fixedly installed with the slider 11. Through the setting of the connecting mechanism, when installing or replacing the molding part 1 6 and the molding part 2 7, it is only necessary to align the slider 11 with the insertion groove 13 opened on the limit block 12, and then rotate the molding part 1 6 or the molding part 2 7 to slide along the slide groove 14 opened on the limit block 12 to complete the installation of the molding part 1 6 or the molding part 2 7. When disassembling, it is only necessary to rotate the molding part 1 6 or the molding part 2 7 counterclockwise. It is more convenient during installation and disassembly, thereby facilitating subsequent maintenance and replacement work, and is more practical.

[0025] Furthermore, corresponding insertion grooves 13 are provided at the positions of the limit block 12 corresponding to the sliding block 11 , and corresponding sliding grooves 14 are provided at the inner and top portions of the limit block 12 corresponding to the sliding rod 10 and the sliding block 11 .

[0026] Furthermore, a molding groove 15 for molding is provided at the top of the molding piece 1 6 and a molding piece 2 7 at the bottom, and a connecting groove 16 for connecting is provided at the ends of the molding piece 1 6 and the molding piece 2 7 at positions corresponding to the molding groove 15 .

[0027] Furthermore, injection grooves 17 connected to the connecting grooves 16 are provided at the bottom of the upper mold 1 and the top of the lower mold 2 at positions corresponding to the positions between the plurality of molding parts 1 6 and the molding parts 2 7. Through the connection between the connecting grooves 16 and the injection grooves 17, when injection molding is required, the melted plastic only needs to be injected into the interior of the upper mold 1 and the lower mold 2 through one end of the injection grooves 17. The plastic will then be diverted along the injection grooves 17 provided on the upper mold 1 and the lower mold 2, and will be injected in turn between the plurality of molding parts 1 6 and the molding parts 2 7 to fill the molding grooves 15 until the plastic is discharged from the interior of the injection grooves 17 at the other end, which makes injection molding more convenient.

[0028] Furthermore, a sealing edge 18 is fixedly installed on the top of the molding part 6 corresponding to the side position of the molding groove 15, and a sealing groove 19 is opened on the bottom of the molding part 7 corresponding to the sealing edge 18. The sealing edge 18 and the sealing groove 19 fit together. Through the setting of the sealing edge 18 and the sealing groove 19, when the molding groove 15 is injection molded, the phenomenon of melted plastic overflow can be effectively avoided, and the sealing of the connection between the molding part 1 6 and the molding part 2 7 can be effectively strengthened, which is more convenient for injection molding.

[0029] When in use, firstly, several shaping pieces 1 6 and shaping pieces 2 7 are installed in the interior of several mold grooves 5 opened and closed on the upper mold 1 and the lower mold 2 through the setting of the connecting mechanism. When installing or replacing the shaping pieces 1 6 and the shaping pieces 2 7, it is only necessary to align the slider 11 with the insertion groove 13 provided on the limit block 12, and then rotate the shaping piece 1 6 or the shaping piece 2 7 to make it slide along the slide groove 14 provided on the limit block 12 to complete the installation of the shaping piece 1 6 or the shaping piece 2 7. When disassembling, it is only necessary to rotate the shaping piece 1 6 or the shaping piece 2 7 counterclockwise, which is more convenient for installation and disassembly, thereby facilitating subsequent maintenance and replacement work. After installation, the upper mold 1 can be plugged and installed on the top of the lower mold 2, and the upper mold 1 is limited by the connection between the limit screw 9 and the limit hole 8, so as to strengthen the sealing between the two, and then the melted The plastic is injected into the interior of the upper mold 1 and the lower mold 2 through one end of the injection groove 17, and will be diverted along the injection groove 17 opened on the upper mold 1 and the lower mold 2, so as to be injected into the space between several molding parts 1 6 and molding parts 2 7 in turn, filling the molding groove 15 until the plastic is discharged from the inside of the injection groove 17 at the other end. By setting the sealing edge 18 and the sealing groove 19, when the molding groove 15 is injection molded, the phenomenon of melted plastic overflow can be effectively avoided, and the sealing of the connection between the molding part 1 6 and the molding part 2 7 can be effectively strengthened, which is more convenient for injection molding. After the plastic is cooled, it is only necessary to remove the limit screw 9 and separate the upper mold 1 from the lower mold 2 to demold the key cap bracket inside. The new type can replace and maintain a single damaged mold while facilitating demolding through the mutual cooperation between the upper structures. Compared with traditional injection molds, it is more convenient and practical.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold for producing two-color scissors, comprising an upper mold (1) and a lower mold (2), wherein plug-in strips (3) for connection are fixedly installed around the bottom of the upper mold (1), and plug-in slots (4) for connection are provided at positions corresponding to the plug-in strips (3) on the top of the lower mold (2), wherein the plug-in slots (4) for connection are provided, wherein: Also includes: A mold groove (5) for installing the mold is provided at the bottom of the upper mold (1) and the top of the lower mold (2), and a connecting structure is fixedly installed inside the mold groove (5). A molding part 1 (6) and a molding part 2 (7) for production are plugged and installed in the mold groove (5) through the connecting structure.

2. The injection mold for producing two-color scissors according to claim 1, characterized in that: The plug-in strip (3) is provided with a plurality of limit holes (8) at equal intervals, and the outer wall surface of the lower mold (2) is threadedly connected to the limit screw rods (9) at positions corresponding to the limit holes (8).

3. The injection mold for producing two-color scissors according to claim 1, characterized in that: The connection structure comprises a sliding rod (10), a sliding block (11) and a limiting block (12); the limiting block (12) is fixedly mounted inside the mold groove (5); the bottom of the first molding part (6) and the top of the second molding part (7) are fixedly mounted with the sliding rod (10); the other end of the sliding rod (10) is fixedly mounted with the sliding block (11).

4. The injection mold for producing two-color scissors according to claim 3, characterized in that: The position of the limit block (12) corresponding to the sliding block (11) is provided with an insertion groove (13) corresponding thereto, and the inside and top of the limit block (12) corresponding to the sliding rod (10) and the sliding block (11) are provided with a sliding groove (14) corresponding thereto.

5. The injection mold for producing two-color scissors according to claim 1, characterized in that: The top of the shaping piece 1 (6) and the bottom of the shaping piece 2 (7) are both provided with a molding groove (15) for shaping, and the ends of the shaping piece 1 (6) and the shaping piece 2 (7) are both provided with a connecting groove (16) for connecting at a position corresponding to the molding groove (15).

6. The injection mold for producing two-color scissors according to claim 1, characterized in that: The bottom of the upper mold (1) and the top of the lower mold (2) are both provided with injection grooves (17) connected to the connecting grooves (16) at positions corresponding to the positions between the plurality of molding parts one (6) and the molding parts two (7).

7. The injection mold for producing two-color scissors according to claim 5, characterized in that: A sealing edge (18) is fixedly mounted on the top of the first shaping member (6) at a position corresponding to the side of the forming groove (15), and a sealing groove (19) is provided on the bottom of the second shaping member (7) at a position corresponding to the sealing edge (18), and the sealing edge (18) and the sealing groove (19) fit each other.

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