Multi-color plastic rattan extrusion equipment

Abstract

The utility model provides multi-color plastic rattan extrusion equipment which comprises a main material machine, an extrusion die, a first auxiliary material machine and a multi-color unit, and the multi-color unit comprises a mixing die, a second auxiliary material machine, a third auxiliary material machine and a fourth auxiliary material machine. The second auxiliary material machine, the third auxiliary material machine and the fourth auxiliary material machine are connected to the extrusion die through the mixing die; the mixing mold comprises a first auxiliary mold piece and a second auxiliary mold piece, three mixing feeding runners are arranged on the first auxiliary mold piece, discharging ports of the three mixing feeding runners are formed in the same plane, a mixing runner is arranged on the second auxiliary mold piece, one end of the mixing runner is connected with the three mixing feeding runners, and the other end of the mixing runner is connected with the three mixing feeding runners. And the other end is connected with the extrusion die. The rattan surface color texture can be controlled, the individual requirements of consumers can be met, equipment adjustment is easier and more convenient, use is more flexible, and the equipment cost is low.

Description

Technical Field

[0001] The utility model relates to the field of plastic extrusion equipment, in particular to a multi-color plastic rattan extrusion equipment. Background Art

[0002] Multi-color plastic rattan is a plastic product that imitates the characteristics of natural rattan. It has the appearance of natural rattan and certain physical properties. This material is usually used in the production of outdoor furniture, decoration and other handicrafts.

[0003] The existing multi-color plastic rattan extrusion equipment mostly uses a single extrusion die, and mixes materials of multiple colors and extrudes them through one feeder. Although it can extrude plastic rattan with multiple colors, the overall pattern is random and it is difficult to control the color texture. Summary of the Utility Model

[0004] The utility model provides a multi-color plastic rattan extrusion equipment, which can effectively solve the above problems.

[0005] The utility model is realized as follows:

[0006] A multi-color plastic rattan extrusion equipment, comprising:

[0007] A main feeder, an extrusion die connected to the main feeder;

[0008] A first auxiliary feeder, the first auxiliary feeder is connected to the extrusion die;

[0009] A multi-color unit, the multi-color unit includes a mixing die, a second auxiliary feeder, a third auxiliary feeder and a fourth auxiliary feeder. The second auxiliary feeder, the third auxiliary feeder and the fourth auxiliary feeder are connected to the extrusion die through the mixing die;

[0010] The mixing die includes a first sub-die plate and a second sub-die plate. The first sub-die plate is provided with three mixing feed channels, and the discharge ports of the three mixing feed channels are arranged on the same plane. The second sub-die plate is provided with a mixing channel. One end of the mixing channel is connected to the three mixing feed channels, and the other end is connected to the extrusion die.

[0011] As a further improvement, the extrusion die includes a main channel connected to the main feeder, a first auxiliary material flow channel arranged above the main channel, a second auxiliary material flow channel arranged below the main channel, and a co-extrusion channel connected to the main channel, the first auxiliary material flow channel and the second auxiliary material flow channel.

[0012] As a further improvement, the extrusion die includes a first main die plate, on which the main runner is provided. On the upper end surface of the first main die plate, there is a second main die plate. A groove is provided on the contact surface between the second main die plate and the first main die plate. The first main die plate and the second main die plate are fitted together to form the first sub-material flow channel, and the mixing flow channel is connected to the first sub-material flow channel.

[0013] As a further improvement, a third main die plate is provided on the lower end surface of the first main die plate, and the second sub-material flow channel is arranged inside the third main die plate.

[0014] As a further improvement, the extrusion die further includes a fourth main die plate, on which the co-extrusion flow channel is provided.

[0015] As a further improvement, the cross-sections of the main runner and the co-extrusion flow channel are both continuous wavy shapes.

[0016] As a further improvement, heating mechanisms are provided on the outer sides of both the mixing die and the extrusion die.

[0017] The beneficial effects of the present utility model are as follows: By providing a multi-color unit, the sub-materials of multiple colors are mixed in parallel and covered on the surface of the base in the middle of the rattan. By adjusting the extrusion ratio, sequence, and changing rate of the sub-materials of different colors, the color texture on the surface of the rattan can be controlled. And the internal base material can use the natural color of the material without adding colorants, which can save colored materials and reduce the material cost. When it is necessary to increase or decrease the number of sub-material machines to change the number of colors on the upper surface of the rattan, only the first sub-die plate needs to be replaced and the corresponding number of sub-material machines needs to be configured to meet the personalized needs of consumers. The equipment adjustment is more convenient and the use is more flexible. The rest of the parts are universal and do not need to be replaced, which can reduce the equipment cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a schematic diagram of the overall layout provided by an embodiment of the present utility model.

[0020] Figure 2 It is a schematic diagram of the connection between the mixing die and the extrusion die provided by an embodiment of the present utility model.

[0021] Figure 3This is an exploded view of the mixing die provided by the embodiment of the present utility model.

[0022] Figure 4 This is an exploded view of the extrusion die provided by the embodiment of the present utility model.

[0023] Figure 5 This is a schematic diagram of the internal structure of the extrusion die provided by the embodiment of the present utility model.

[0024] Reference numerals:

[0025] 1. Main material machine;

[0026] 2. Multi-color unit; 21. Second auxiliary material machine; 22. Third auxiliary material machine; 23. Fourth auxiliary material machine; 24. Mixing die; 241. First auxiliary die plate; 242. Second auxiliary die plate;

[0027] 3. First auxiliary material machine;

[0028] 4. Extrusion die; 41. First main die plate; 411. Main runner; 42. Second main die plate; 421. First auxiliary material runner; 43. Third main die plate; 431. Second auxiliary material runner; 44. Fourth main die plate; 441. Co-extrusion runner. Detailed implementation manners

[0029] To make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model.

[0030] In the description of the present utility model, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0031] Refer to Figures 1-5As shown in the figure, a multi-color plastic rattan extrusion device includes a main material machine 1, an extrusion die 4 connected to the main material machine 1, and a first auxiliary material machine 3. The first auxiliary material machine 3 is connected to the extrusion die 4. Both the main material machine 1 and the auxiliary material machine belong to the prior art and include necessary devices such as a blanking device, a material conveying device, a heating device, etc.;

[0032] A multi-color unit 2 includes a mixing die 24 for mixing multiple material colors together, a second auxiliary material machine 21, a third auxiliary material machine 22, and a fourth auxiliary material machine 23. The material colors in the auxiliary material machines can be selected according to actual situations. The materials extruded by the second auxiliary material machine 21, the third auxiliary material machine 22, and the fourth auxiliary material machine 23 are mixed through the mixing die 24 and connected to the extrusion die 4;

[0033] The mixing die 24 includes a first auxiliary die plate 241 and a second auxiliary die plate 242. The first auxiliary die plate 241 is provided with three mixing feed channels. The discharge ports of the three mixing feed channels are located on the same plane. The second auxiliary die plate 242 is provided with a mixing channel. One end of the mixing channel is connected to the three mixing feed channels, and the other end is connected to the extrusion die 4. It should be noted that when the mixing die 24 mixes, it mixes the materials extruded by the three auxiliary material machines in parallel, presenting a rainbow-like shape, rather than mixing multiple materials crosswise or evenly.

[0034] Among them, when it is necessary to increase or decrease the number of auxiliary material machines to change the number of colors on the upper surface of the rattan, only the first auxiliary die plate 241 needs to be replaced and the corresponding number of auxiliary material machines needs to be configured. It is more flexible and simpler to adjust during use. The rest of the parts are universal and do not need to be replaced, which can reduce the equipment cost.

[0035] The extrusion die 4 includes a main flow channel 411 connected to the main material machine 1, a first auxiliary material flow channel 421 arranged above the main flow channel 411, a second auxiliary material flow channel 431 arranged below the main flow channel 411, and a co-extrusion flow channel 441 connected to the main flow channel 411, the first auxiliary material flow channel 421, and the second auxiliary material flow channel 431. The main flow channel 411 is for the base material inside the rattan, the first auxiliary material flow channel 421 is for the multi-color material covering the upper surface of the base material, and the second auxiliary material flow channel 431 is for the single-color material covering the lower surface of the base material.

[0036] The extrusion die 4 includes a first main die piece 41, a main channel 411 is provided on the first main die piece 41, a second main die piece 42 is provided on the upper end surface of the first main die piece 41, a groove is provided on the contact surface between the second main die piece 42 and the first main die piece 41, the first main die piece 41 and the second main die piece 42 are fitted together to form a first auxiliary material flow channel 421, and the first auxiliary material flow channel 421 is connected to the mixing flow channel, and the interior thereof is a multi-color material that is mixed and flows in parallel with multiple colors. The cross-sectional area of the first auxiliary material flow channel 421 is large and a rounded transition needs to be set at the internal corner position, which is more conducive to the flow of multi-color materials and avoids the clogging of multi-color materials at the corners, resulting in cross-mixing of multiple colors in parallel. Grooving is performed on the second main die piece 42, and the process is simple and the manufacturing and processing cost is lower.

[0037] A third main mold piece 43 is disposed on the lower end surface of the first main mold piece 41 , and a second auxiliary material flow channel 431 is disposed in the third main mold piece 43 .

[0038] The extrusion die 4 also includes a fourth main die piece 44, on which a co-extrusion flow channel 441 is provided, through which the materials are mixed and extruded, and the cross-sections of the main channel 411 and the co-extrusion flow channel 441 are both continuous wavy, imitating the cross-section of natural rattan.

[0039] In addition, heating mechanisms are provided on the outside of the mixing die 24 and the extrusion die 4, which are crucial for the melting and flow of the plastic and ensure the full mixing of the main material and the raw material.

[0040] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A multi-color plastic rattan extrusion device, characterized in that, Including: A main material machine (1) and an extrusion die (4) connected to the main material machine (1); A first auxiliary material machine (3) connected to the extrusion die (4); A multi-color unit (2) including a mixing die (24), a second auxiliary material machine (21), a third auxiliary material machine (22), and a fourth auxiliary material machine (23), wherein the second auxiliary material machine (21), the third auxiliary material machine (22), and the fourth auxiliary material machine (23) are connected to the extrusion die (4) through the mixing die (24); The mixing die (24) includes a first auxiliary die plate (241) and a second auxiliary die plate (242). Three mixing feed channels are provided on the first auxiliary die plate (241), and the discharge ports of the three mixing feed channels are located on the same plane. The second auxiliary die plate (242) is provided with a mixing channel, one end of the mixing channel is connected to the three mixing feed channels, and the other end is connected to the extrusion die (4).

2. The multi-color plastic rattan extrusion device according to claim 1, characterized in that, The extrusion die (4) includes a main channel (411) connected to the main material machine (1), a first auxiliary material channel (421) provided above the main channel (411), a second auxiliary material channel (431) provided below the main channel (411), and a co-extrusion channel (441) connected to the main channel (411), the first auxiliary material channel (421), and the second auxiliary material channel (431).

3. A multi-color plastic rattan extrusion device according to claim 2, characterized in that, The extrusion die (4) includes a first main die plate (41) provided with the main channel (411). A second main die plate (42) is provided on the upper end surface of the first main die plate (41). A groove is provided on the contact surface between the second main die plate (42) and the first main die plate (41). The first main die plate (41) and the second main die plate (42) are fitted to form the first auxiliary material channel (421), and the mixing channel is connected to the first auxiliary material channel (421).

4. A multi-color plastic rattan extrusion device according to claim 3, characterized in that, A third main die plate (43) is provided on the lower end surface of the first main die plate (41), and the second auxiliary material channel (431) is provided inside the third main die plate (43).

5. The multi-color plastic rattan extrusion device according to claim 4, characterized in that, The extrusion die (4) further includes a fourth main die plate (44) provided with the co-extrusion channel (441).

6. The multi-color plastic rattan extrusion equipment according to claim 2, characterized in that, The cross-sections of the main channel (411) and the co-extrusion channel (441) are both continuous wavy shapes.

7. A multi-color plastic rattan extrusion device according to claim 1, characterized in that, Heating mechanisms are provided outside both the mixing die (24) and the extrusion die (4).

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