PVC (polyvinyl chloride) coated polyester melting assembly

Abstract

The utility model discloses a PVC coated polyester melting assembly, and belongs to the technical field of polyester yarn coating equipment. The harness cord cavity used for storing the filtering shell is formed between the upper mold plate and the lower mold plate, the filtering shell is arranged, a molten PVC material enters the liquid passing cavity through the liquid inlet hole of the upper mold plate and is filtered through the filtering holes in the filtering shell, the filtered PVC material enters the filtering shell and wraps the surface of moving polyester yarn, and therefore the PVC material is filtered through the filtering shell. Therefore, crystal particles existing in the PVC material are prevented from blocking the wire outlet hole in the front side of the filtering shell, and the condition of wire breakage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to polyester silk coating equipment technical field, specifically relates to a kind of PVC coating polyester melt subassembly. BACKGROUND

[0002] With the high-speed development of China's industry and the continuous improvement of people's living standards, people have higher requirements for indoor living quality. Sunshade fabric can effectively block the invasion of strong sunlight and harmful light, adjust indoor temperature, natural light and the degree of transparency, and significantly improve people's quality of life.

[0003] Polyvinyl chloride (PVC) is cheap, large in output and simple in production process. The PVC / polyester coated yarn made of PVC has a wide application prospect as a common composite fiber material for preparing sunshade fabric, which can be endowed with the functions of anti-ultraviolet, anti-aging, antibacterial and flame retardant by adding functional fillers.

[0004] However, the common preparation process of PVC / polyester coated yarn needs to mix functional components with PVC, granulate, then melt the masterbatch again, and finally coat to prepare PVC / polyester coated yarn. In the process of secondary melting, the masterbatch may condense due to cooling during the conveying process to the single polyester yarn mold channel, causing the outlet of the coating mold to be blocked and the polyester yarn to be broken, thereby affecting the production efficiency of the coated yarn. SUMMARY

[0005] The utility model mainly solves the technical problems existing in the prior art, and provides a PVC coating polyester melt subassembly.

[0006] The utility model discloses a kind of PVC cladding polyester melt components, including lower template and upper template, the combination between lower template and upper template is equipped with multiple through-wire cavities, the through-wire cavity includes lower through-wire cavity and upper through-wire cavity, the lower through-wire cavity is equipped in the upper surface of lower template, the upper through-wire cavity is equipped in the lower surface of upper template, the height of the lower through-wire cavity is higher than the height of upper through-wire cavity, the lower through-wire cavity and upper through-wire cavity respectively include one corresponding clamping position in front end, the lower surface of upper template is equipped with one through-liquid cavity that is communicated with multiple upper through-wire cavities, one filter housing is equipped in each through-wire cavity, the filter housing is hollow structure, and is equipped with one silk hole, the rear end of the filter housing is open structure, rubber sealing ring is sleeved on the front end part of the outer wall surface of the filter housing, the filter housing is clamped between the clamping position of lower through-wire cavity and upper through-wire cavity through rubber sealing ring, the rear end of the filter housing is against the rear end of through-wire cavity, one silk hole is formed in the rear end of corresponding lower template of each lower through-wire cavity, the silk hole and the silk hole of filter housing are coaxial line arrangement, a plurality of filter holes are formed on the filter housing of the rear side of rubber sealing ring, the top of upper template is equipped with one liquid inlet, and the liquid inlet is communicated with through-liquid hole.

[0007] Preferably, the upper surface of the lower template and the lower surface of the upper template are provided with mutually corresponding sealing rubber strips.

[0008] Preferably, the left and right sides and the rear side of the lower template and the upper template are provided with mutually matched bolt connection plates.

[0009] The utility model has the beneficial effects that: by setting through-wire cavities for storing filter housings between the upper template and the lower template, and setting filter housings, the molten PVC material enters the through-liquid cavity through the liquid inlet of the upper template, is filtered through the filter holes on the filter housings, and enters the inside of the filter housings after being filtered, and is coated on the surface of the moving polyester silk, so as to avoid that the crystal particles existing in the PVC material block the silk holes in the front side of the filter housings, and avoid the situation of broken silk. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 is a structural schematic view of the utility model;

[0011] Fig. 2 is a structural schematic view of the lower template and the filter housing of the utility model;

[0012] Fig. 3 is a structural schematic view of the upper template of the utility model.

[0013] In the diagram: 1. Lower template; 2. Upper template; 3. Wire passage cavity; 4. Lower wire passage cavity; 5. Upper wire passage cavity; 6. Locking position; 7. Liquid passage cavity; 8. Filter housing; 9. Wire outlet hole; 10. Rubber sealing ring; 11. Wire inlet hole; 12. Filter hole; 13. Liquid inlet hole; 14. Sealing strip; 15. Bolt connection plate. Detailed Implementation

[0014] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0015] Example: A PVC-coated polyester melt-forming assembly, such as Figs. 1-3 As shown, the device includes a lower template 1 and an upper template 2. Multiple thread-passing cavities 3 are provided between the lower template 1 and the upper template 2. Each thread-passing cavity 3 includes a lower thread-passing cavity 4 and an upper thread-passing cavity 5. The lower thread-passing cavity 4 is located on the upper surface of the lower template 1, and the upper thread-passing cavity 5 is located on the lower surface of the upper template 2. The height of the lower thread-passing cavity 4 is greater than the height of the upper thread-passing cavity 5. Each lower thread-passing cavity 4 and upper thread-passing cavity 5 includes a corresponding locking position 6 located at the front end. The lower surface of the upper template 2 has a liquid-passing cavity 7 that connects the multiple upper thread-passing cavities 5. Each thread-passing cavity 3 contains a filter housing 8, which is a hollow structure and has a... The filter housing 8 has an open rear end and a rubber sealing ring 10 fitted on the front end of its outer wall. The filter housing 8 is secured between the lower wire passage cavity 4 and the upper wire passage cavity 5 by the rubber sealing ring 10. The rear end of the filter housing 8 abuts against the rear end of the wire passage cavity 3. Each lower template 1 corresponding to the lower wire passage cavity 4 has a wire inlet hole 11 at its rear end. The wire inlet hole 11 is coaxially arranged with the wire outlet hole 9 of the filter housing 8. Several filter holes 12 are provided on the filter housing 8 behind the rubber sealing ring 10. The top of the upper template 2 has a liquid inlet hole 13, which communicates with the liquid passage hole.

[0016] The upper surface of the lower template 1 and the lower surface of the upper template 2 are provided with corresponding sealing strips 14; the left and right sides and the rear side of the lower template 1 and the upper template 2 are provided with mutually cooperating bolt connecting plates 15.

[0017] The utility model discloses a principle: in use, first polyester silk is from silk inlet hole 11 and is worn in, is worn in filter shell 8, and is worn from the silk outlet hole 9 of filter shell 8, and multiple filter shell 8 is clamped in the lower through silk cavity 4 of lower mould plate 1 respectively, and cover upper mould plate 2, and the clamping position 6 in every lower through silk cavity 4 and upper through silk cavity 5 of upper mould plate 2 and lower mould plate 1 are carried out clamping to filter shell 8, and the sealing rubber strip 14 between upper mould plate 2 and lower mould plate 1 is sealed between both, and the PVC material of melting enters the liquid cavity 7 in liquid inlet hole 13, and gradually fills the whole cavity, and the PVC material fills multiple through silk cavities 3 through falling free flow, and enters every filter shell 8 through filter hole 12, and polyester silk is wrapped full of PVC material after moving and removes from the silk outlet,

[0018] PVC material does not apply pressure when entering upper mould plate 2 and lower mould plate 1, and flows in every through silk cavity 3 by nature, and will not overflow through the gap of each connecting part, and polyester silk will have a forward driving force when entering silk inlet hole 11, and PVC material will not overflow from silk inlet hole 11.

[0019] Finally, it should be pointed out that the above examples are only representative examples of the utility model. Obviously, the utility model is not limited to the above examples, and there can be many variations. Any simple modification, equivalent change and modification according to the technical essence of the utility model to the above examples should be considered as falling within the protection scope of the utility model.

Claims

1. A PVC-coated polyester melt assembly comprising a lower die plate (1) and an upper die plate (2), characterized in that: The lower die plate (1) and the upper die plate (2) are combined with a plurality of through-wire cavities (3), the through-wire cavities (3) include lower through-wire cavities (4) and upper through-wire cavities (5), the lower through-wire cavities (4) are arranged on the upper surface of the lower die plate (1), the upper through-wire cavities (5) are arranged on the lower surface of the upper die plate (2), the height of the lower through-wire cavities (4) is higher than the height of the upper through-wire cavities (5), the lower through-wire cavities (4) and the upper through-wire cavities (5) respectively include a clamping position (6) arranged at the front end and corresponding to each other, the lower surface of the upper die plate (2) is provided with a through-liquid cavity (7) for connecting the plurality of upper through-wire cavities (5), each of the through-wire cavities (3) is provided with a filter housing (8), the filter housing (8) is a hollow structure and is provided with a wire outlet hole (9), the rear end of the filter housing (8) is an open structure, the front end of the outer wall surface of the filter housing (8) is sleeved with a rubber sealing ring (10), the filter housing (8) is clamped between the clamping positions (6) of the lower through-wire cavities (4) and the upper through-wire cavities (5) through the rubber sealing ring (10), the rear end of the filter housing (8) abuts against the rear end of the through-wire cavity (3), each of the lower through-wire cavities (4) corresponds to the rear end of the lower die plate (1) and is provided with an inlet hole (11), the inlet hole (11) and the wire outlet hole (9) of the filter housing (8) are coaxially arranged, a plurality of filter holes (12) are arranged on the rear side of the filter housing (8) of the rubber sealing ring (10), and the top of the upper die plate (2) is provided with an inlet hole (13), the inlet hole (13) is communicated with the through-liquid cavity.

2. The PVC-coated polyester melt assembly of claim 1, wherein: The upper surface of the lower die plate (1) and the lower surface of the upper die plate (2) are provided with corresponding sealing rubber strips (14).

3. The PVC-coated polyester melt assembly of claim 1, wherein: The left side, the right side and the rear side of the lower die plate (1) and the upper die plate (2) are provided with mutually matched bolt connecting plates (15).

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