Multi-color adjusting mold

Abstract

The utility model relates to the field of extrusion dies, in particular to a multicolor adjusting die. The multi-color adjusting mold comprises a mold head, a plurality of adjusting blocks and a plurality of adjusting blocks, wherein a plurality of mold core cavities are formed in the mold head; the feeding cylinder is provided with a first end far away from the die head and a second end close to the die head, and a plurality of feeding grooves extending from the first end to the second end are formed in the feeding cylinder; one end of each feeding groove is communicated with one or more mold core cavities, and the other end of each feeding groove is provided with a splitter plate; a material injection hole and a liquid injection hole which are communicated with the feeding groove are formed in the splitter plate; a liquid injection pipe for injecting pigment is arranged at the liquid injection hole, and the material injection hole can be communicated with a material supply device. According to the multi-color adjusting mold, a plurality of products with different colors can be formed in one-time production, the product forming process is simple, and the forming efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of extrusion dies, in particular to a multi-color regulating die. Background Art

[0002] In order to achieve colorful product diversity, plastic products of the same shape often need to be set in different colors.

[0003] The existing molding method is often to dye the raw materials first, and then transport them to the mold for molding. However, this molding method requires constant switching of raw materials of different colors, and can only mold products of one color at a time. The molding process is relatively cumbersome and the production efficiency is low.

[0004] Therefore, this field needs a new technical solution to solve the above problems. Summary of the invention

[0005] In order to improve or solve the technical problem of the molding mold in the prior art that one color product can be molded at a time, the utility model provides a multi-color adjustment mold. The multi-color adjustment mold includes: a die head, on which a plurality of mold core cavities are formed; a feed barrel, having a first end away from the die head and a second end close to the die head, and a plurality of feed slots extending from the first end to the second end are provided in the feed barrel; one end of each feed slot is connected to one or more mold core cavities, and a diverter plate is arranged at the other end; an injection hole and a liquid injection hole are provided on the diverter plate, both of which are connected to the feed slot; an injection tube for injecting pigment is arranged at the liquid injection hole, and the injection hole can be connected to the feeding device.

[0006] In the utility model, a multi-color adjustment mold includes a feed barrel and a die head. Among them, a mold core cavity is formed on the die head for forming a product. The feed barrel has a feed trough, one end of which is connected to the mold core cavity, and a diverter plate is arranged at the other end, and an injection hole connected to the feed trough is formed on the diverter plate; the material is injected into the feed trough through the injection hole of the diverter plate, and flows from the feed trough into the mold core cavity of the die head to form a product. An injection hole is also formed on the diverter plate, which is connected to the feed trough and an injection pipe is arranged at the injection hole. The pigment is injected into the injection hole through the injection pipe, and flows into the feed trough from the injection hole, and is mixed with the material in the feed trough to form a material with color, and a product with color is formed in the mold core cavity. There are multiple feed troughs, and different colors can be injected into the multiple feed troughs through the injection pipe, so that the multi-color adjustment mold can form multiple products with different colors in one production. Through the above-mentioned arrangement, the utility model multi-color adjustment mold can form multiple products with different colors in one production, and the product molding process is simple and the molding efficiency is high.

[0007] In the preferred technical solution of the multi-color adjustment mold, the injection hole is arranged in the middle of the diverter plate. Through the above arrangement, the injection hole is arranged in the middle of the diverter plate, which can make the material and the pigment mix more evenly to obtain a product with better quality.

[0008] In the preferred technical solution of the multi-color adjustment mold, a mounting hole for mounting the injection pipe is provided on the circumferential side wall of the diverter plate. Through the above arrangement, the mounting hole is used to mount the injection pipe so that the injection pipe is connected to the injection hole.

[0009] In the preferred technical solution of the above multi-color adjustment mold, the injection holes are evenly and spaced apart along the circumference of the diverter plate. Through the above arrangement, the injection holes are spaced apart and evenly arranged, which can further make the mixing of materials and pigments more uniform, so as to obtain a product with better quality.

[0010] In the preferred technical solution of the above-mentioned multi-color adjustable mold, a heating structure is sleeved on the circumferential outer side of the feed barrel. Through the above-mentioned setting, the arrangement of the heating structure can prevent the material from cooling in the feed trough, ensure the fluidity of the material, thereby improving the production efficiency and product quality of the multi-color adjustable mold.

[0011] In the preferred technical solution of the above-mentioned multi-color adjustable mold, a confluence plate is arranged between the die head and the feed barrel, and a confluence hole connected to the feed trough is opened on the confluence plate; one end of one confluence hole is connected to a corresponding one of the feed troughs, and the other end is connected to at least one of the mold core cavities. Through the above-mentioned arrangement, the arrangement of the confluence holes can make one feed trough connected to one or more mold core cavities, so that more products can be formed in one production, and the production efficiency of the multi-color adjustable mold is improved.

[0012] In the preferred technical solution of the above-mentioned multi-color adjustment mold, the confluence hole includes an inlet connected to the feed trough, and an outlet connected to the mold core cavity, and a plurality of the outlets are provided.

[0013] In the preferred technical solution of the above-mentioned multi-color adjustment mold, the die head includes a mold base and a mold core mounted on the mold base, and the mold core cavity is formed on the mold core. Through the above-mentioned setting, the mold base and the default separation setting can facilitate the processing and maintenance of the mold base and the mold core respectively.

[0014] In the preferred technical solution of the above-mentioned multi-color adjustable mold, a mounting seat is arranged between the mold seat and the feed barrel, and a connecting hole connecting the feed slot and the mold core cavity is opened on the mounting seat; the mold seat is detachably mounted on the manifold and a first hinge is arranged between the mold seat and the mounting seat. Through the above-mentioned arrangement, the mold seat is detachably mounted on the manifold, which enables the mold seat to be stably and accurately connected to the mounting seat; a first hinge is arranged between the mold seat and the mounting seat, which enables the mold core in the mold seat to be disassembled and adjusted more conveniently.

[0015] In the preferred technical solution of the above-mentioned multi-color adjustment mold, the junction plate is detachably mounted on the mounting seat and a second hinge is arranged between the junction plate and the mounting seat. Through the above-mentioned arrangement, the junction plate is detachably mounted on the mounting seat, which enables the junction plate to be stably and accurately connected to the mounting seat; a second hinge is arranged between the junction plate and the mounting seat, which enables the junction plate to be maintained more conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:

[0017] Figure 1 It is a schematic diagram of an embodiment of the multi-color adjustment mold of the utility model.

[0018] Figure 2 It is a front view of an embodiment of the multi-color adjustment mold of the utility model.

[0019] Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0020] Figure 4 It is another schematic diagram of an embodiment of the multi-color adjustment mold of the utility model.

[0021] List of reference numerals: 1. Feed barrel; 11. Feed trough; 12. Diverter plate; 13. Injection hole; 14. Liquid injection hole; 15. Mounting hole; 16. Liquid injection pipe; 2. Heating structure; 3. Mounting seat; 31. Connecting hole; 4. Junction plate; 41. Junction hole; 42. Inlet; 43. Outlet; 5. Die head; 51. Die seat; 52. Die core; 6. First hinge; 61. Fixed seat; 62. Rotating plate; 63. First connecting plate; 7. Second hinge; 71. Mounting block; 72. Second connecting plate. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0023] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "setting", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate medium, or the internal connection of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In order to improve or solve the technical problem of the molding mold in the prior art that one color product can be molded at one time, the utility model provides a multi-color adjustment mold. The multi-color adjustment mold includes: a die head 5, on which a plurality of mold core cavities are formed; a feed barrel 1, which has a first end away from the die head 5 and a second end close to the die head 5, and a plurality of feed slots 11 extending from the first end to the second end are provided in the feed barrel 1; one end of each feed slot 11 is connected to one or more mold core cavities, and a diverter plate 12 is arranged at the other end; an injection hole 13 and a liquid injection hole 14 are provided on the diverter plate 12, both of which are connected to the feed slot 11; an injection tube 16 for injecting pigment is arranged at the liquid injection hole 14, and the injection hole 13 can be connected to the feeding device.

[0026] Figure 1 Schematic diagram of an embodiment of the multi-color adjustment mold of the utility model. Figure 1 As shown, in one or more embodiments, the multi-color adjustment mold of the utility model includes a feed barrel 1, a heating structure 2, a mounting seat 3, a confluence plate 4 and a die head 5. Among them, the heating structure 2 is sleeved on the outside of the feed barrel 1, and is an electric heating barrel, which can heat the material in the feed barrel 1.

[0027] Continue to see Figure 1 In one or more embodiments, the feed barrel 1 is substantially cylindrical and has a first end and a second end opposite to each other, and a connecting flange is arranged at the first end and the second end. The connecting flange at the first end can be connected to a feeding device, and the feeding device can be an extruder. The connecting flange at the second end can be fixedly connected to the mounting seat 3. Alternatively, the feed barrel 1 can also be set in other suitable shapes, such as a square column.

[0028] Figure 2 It is a front view of an embodiment of the multi-color adjustment mold of the utility model; Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure at AA in the figure. Figure 2 and Figure 3 As shown, a plurality of feed grooves 11 extending from the first end to the second end are provided in the feed barrel 1. In one or more embodiments, the feed grooves 11 are generally circular grooves. Alternatively, the feed grooves 11 may also be provided in other suitable shapes, such as square. Further, four feed grooves 11 are provided, and the four feed grooves 11 are evenly arranged along the circumference of the feed barrel 1, that is, each feed groove 11 is spaced 90 degrees apart. Alternatively, the feed grooves 11 may be provided in three, five or other suitable numbers.

[0029] Continue to see Figure 2 and Figure 3 In one or more embodiments, each feed trough 11 is provided with a diverter plate 12 near the first end, and an injection hole 13 is provided on the diverter plate 12, and the material flows into the feed trough 11 through the injection hole 13 on the diverter plate 12. Preferably, the injection holes 13 are arranged in two circles along the circumference of the diverter plate 12, and the two circles of injection holes 13 are arranged at intervals, and each circle of injection holes 13 is arranged with four, and the four main material holes are arranged at intervals and evenly. Alternatively, the injection holes 13 can be arranged in one circle, three circles or other suitable numbers along the circumference of the diverter plate 12, and each circle of injection holes 13 can be arranged with three, five or other suitable numbers. In one or more embodiments, an injection hole 14 is provided on the diverter plate 12, and the injection hole 14 is arranged in the middle position of the diverter plate 12. One end of the injection hole 14 is connected to the feed trough 11, and the other end is closed by a seal. A mounting hole 15 is also provided on the circumferential side wall of the manifold 12, the mounting hole 15 is connected to the injection hole 14, and an injection pipe 16 is installed in the mounting hole 15, the injection pipe 16 is connected to the injection hole 14. The pigment flows into the injection hole 14 through the injection pipe 16, and then flows into the feed trough 11 from the injection hole 14 to mix with the material injected from the injection hole 13. The same or different pigments can be arranged in each injection pipe 16, so that the material in each feed trough 11 has the same or different colors.

[0030] Figure 4 FIG. 2 is another schematic diagram of an embodiment of the multi-color adjustment mold of the utility model. Figure 3 and Figure 4 As shown, in one or more embodiments, the mounting seat 3 is in a substantially rectangular plate shape, and a plurality of connection holes 31 are arranged on the mounting seat 3 so that the mounting seat 3 is connected to the extrusion device. The mounting seat 3 is provided with connection holes 31, and the size and shape of the connection holes 31 match the size and shape of the feed slot 11, and one connection hole 31 is connected to a corresponding feed slot 11.

[0031] Continue to see Figure 3 and Figure 4 In one or more embodiments, the confluence plate 4 is arranged between the die head 5 and the mounting seat 3 and is a roughly circular plate. The confluence plate 4 is fixedly connected to the mounting seat 3 by bolts. A confluence hole 41 connected to the connecting hole 31 is provided in the confluence plate 4. A plurality of confluence holes 41 are provided, and are evenly arranged along the circumference of the confluence plate 4. One confluence hole 41 is connected to a corresponding connecting hole 31. Specifically, the confluence hole 41 includes an inlet 42 connected to the connecting hole 31, and a plurality of outlets 43 connected to the die head 5. Exemplarily, the confluence hole 41 includes two outlets 43.

[0032] Continue to see Figure 3 and Figure 4 In one or more embodiments, the die head 5 includes a die base 51 and a die core 52 mounted on the die base 51, and a die core cavity is formed on the die core 52. The die base 51 is roughly rectangular and fixed to the confluence plate 4 by bolts. A plurality of die cores 52 are provided, and the plurality of die cores 52 are evenly and spacedly arranged along the circumference of the die base 51. Preferably, eight die cores 52 are provided, and the die core cavities of every two die cores 52 are connected to a confluence hole 41. Alternatively, the die cores 52 can be provided in other suitable numbers, such as four, twelve, etc.

[0033] Continue to see Figure 3 and Figure 4 In one or more embodiments, a first hinge 6 is provided between the mounting seat 3 and the mold seat 51. Specifically, the first hinge 6 includes a fixed seat 61 fixed to one side of the mounting seat 3, a rotating plate 62 rotatably connected to the fixed seat 61, and a first connecting plate 63 connecting the rotating plate 62 and the mold seat 51. The fixed seat 61 includes two fixed plates arranged side by side, a rotating shaft is provided between the two fixed plates, the rotating plate 62 is arranged between the two fixed plates, and a through hole matching the rotating shaft is provided on the rotating plate 62. The rotating plate 62 is spaced apart from the mounting seat 3 so that the rotating plate 62 can rotate around the rotating shaft. Further, the rotating plate 62 includes two support plates arranged oppositely, and the two support plates are respectively arranged on opposite sides of the first connecting plate 63. Further, a second hinge 7 is provided between the mounting seat 3 and the confluence plate 4, and the second hinge 7 includes a mounting block 71 arranged between the fixed plates and rotatably connected to the rotating shaft, and a second connecting plate 72 connecting the mounting block 71 and the confluence plate 4. A through hole matching the rotating shaft is provided on the mounting block 71 , and the mounting block 71 is spaced apart from the mounting seat 3 so that the mounting block 71 can rotate around the rotating shaft.

[0034] So far, the technical scheme of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical schemes after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A multi-color adjustment mold, characterized in that: include: A die head (5), wherein a plurality of die core cavities are formed on the die head (5); A feed barrel (1) has a first end away from the die head (5) and a second end close to the die head (5), and a plurality of feed slots (11) extending from the first end to the second end are provided in the feed barrel (1); one end of each feed slot (11) is connected to one or more of the mold core cavities, and the other end is provided with a diverter plate (12); an injection hole (13) and a liquid injection hole (14) both connected to the feed slot (11) are provided on the diverter plate (12); an injection pipe (16) for injecting pigment is provided at the injection hole (14), and the injection hole (13) can be connected to a feeding device.

2. The multi-color adjustment mold according to claim 1, characterized in that: The injection hole (14) is arranged at a middle position of the diverter plate (12).

3. The multi-color adjustment mold according to claim 2, characterized in that: A mounting hole (15) for mounting the liquid injection pipe (16) is provided on the circumferential side wall of the diverter plate (12).

4. The multi-color adjustment mold according to claim 1, characterized in that: The injection holes (13) are evenly and spaced apart along the circumference of the diverter plate (12).

5. The multi-color adjustment mold according to claim 1, characterized in that: A heating structure (2) is sleeved on the circumferential outer side of the feed barrel (1).

6. The multi-color adjustment mold according to claim 1, characterized in that: A confluence plate (4) is arranged between the die head (5) and the feed barrel (1), and a confluence hole (41) connected to the feed trough (11) is provided on the confluence plate (4); one end of a confluence hole (41) is connected to a corresponding feed trough (11), and the other end is connected to at least one of the mold core cavities.

7. The multi-color adjustment mold according to claim 6, characterized in that: The confluence hole (41) comprises an inlet (42) communicating with the feed trough (11), and an outlet (43) communicating with the mold core cavity, and a plurality of the outlets (43) are provided.

8. The multi-color adjustment mold according to claim 6, characterized in that: The die head (5) comprises a die seat (51) and a die core (52) mounted on the die seat (51), and the die core cavity is formed on the die core (52).

9. The multi-color adjustment mold according to claim 8, characterized in that: A mounting seat (3) is arranged between the mold seat (51) and the feed barrel (1), and a connecting hole (31) connecting the feed groove (11) and the mold core cavity is provided on the mounting seat (3); the mold seat (51) is detachably mounted on the junction plate (4) and a first hinge (6) is arranged between the mold seat (51) and the mounting seat (3).

10. The multi-color adjustment mold according to claim 9, characterized in that: The merging plate (4) is detachably mounted on the mounting seat (3), and a second hinge (7) is arranged between the merging plate (4) and the mounting seat (3).

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