Cast nylon pulley with reinforcing ribs

Abstract

The utility model discloses a cast nylon pulley with reinforcing ribs, which comprises a pulley body, a metal hub is arranged in the middle of the inside of the pulley body, a pulley seat is arranged on the outer side of the metal hub, a through hole is arranged on the pulley seat, calcium carbonate particles are filled in the middle of the inside of the through hole, and the reinforcing ribs are arranged in the through hole. And talcum powder is filled in the through holes and located on the two sides of the calcium carbonate particles, and a polyurethane coating is arranged on the outer side wall of the pulley seat. The nylon pulley has the advantages that through the design of the pulley base, the through holes, the calcium carbonate particles and the talcum powder, the water absorption rate of the nylon pulley can be effectively reduced, the surface of the nylon pulley can be effectively sealed through the design of the polyurethane coating, water invasion is blocked, and the situation that the pulley deforms is avoided; through the design of the metal framework and the nylon layer and the design of the carbon fibers wound around the metal framework, the high bearing effect of the nylon pulley can be effectively achieved, and the service life of the nylon pulley is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to cast nylon pulley technical field, concretely relates to a cast nylon pulley with reinforcing rib. BACKGROUND

[0002] Nylon pulley is a kind of common pulley equipment, is widely used in machinery, engineering, electronics, furniture and other industries, and nylon material has excellent wear resistance, good cold resistance and chemical stability, so it is widely used in the manufacture of pulley;

[0003] The existing cast nylon pulley with reinforcing rib is closely combined with the surface of tubular article through multiple groove structures, realizes the function of dragging and carrying, the above-mentioned method can realize the use of nylon pulley in various fields, but when the nylon pulley works in humid environment for a long time, the nylon is prone to hygroscopic swelling, the internal diameter of the nylon pulley changes, the connection between the nylon pulley and bearing is loose, the working accuracy of transmission system is affected, and the tensile strength and rigidity of the nylon are poor, which is prone to deformation or even fracture under high load, resulting in short service life of the nylon pulley. UTILITY MODEL CONTENTS

[0004] (I) technical problem to be solved

[0005] The utility model wants to solve the technical problem in the prior art, provide a cast nylon pulley with reinforcing rib that can resist moisture absorption and modify and ensure the mechanical strength of the nylon pulley.

[0006] (II) technical scheme

[0007] The utility model achieves the following technical scheme: the utility model provides a cast nylon pulley with reinforcing rib, including pulley body, metal hub is arranged in the middle of pulley body, pulley seat is arranged on the outer side of metal hub, through hole is arranged on pulley seat, calcium carbonate particles are filled in the middle of through hole, talcum powder is filled on the both sides of calcium carbonate particles in through hole, polyurethane coating is arranged on the outer side wall of pulley seat, metal framework is installed in the middle of pulley body, carbon fiber is wound around metal framework, carbon fiber plate is arranged on the both sides of metal framework, epoxy resin coating is arranged on the outer side wall of carbon fiber plate, and nylon layer is arranged on the outer side of pulley body.

[0008] Further, honeycomb plate is arranged between the metal hub and the pulley seat, pulley groove is formed in the middle of the pulley body, mounting hole is arranged in the middle of the metal hub, and the metal hub is connected with the pulley body by four reinforcing ribs around the metal hub.

[0009] Further, the honeycomb plate is bonded with the metal hub and the pulley base, the reinforcing rib is welded with the metal hub and the pulley body.

[0010] Further, the metal hub is inserted with the pulley body, the pulley base is bolted with the metal hub, and the polyurethane coating is bonded with the pulley base.

[0011] Further, the through hole is formed on the pulley base, and the calcium carbonate particles and the talcum powder are bonded with the through hole.

[0012] Further, the nylon layer is bonded with the pulley body, the metal skeleton is inserted with the pulley body, and the carbon fiber is bonded with the metal skeleton.

[0013] Further, the glass fiber plate is bonded with the metal skeleton, and the epoxy resin coating is bonded with the pulley body.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. Through the design of the pulley base, the through hole, the calcium carbonate particles and the talcum powder, the water absorption rate of the nylon pulley can be effectively reduced, the reinforcing effect, the physical barrier effect and the hydrophobicity of the inorganic filler can be utilized to effectively improve the hydrophobicity of the nylon pulley as a whole, and the design of the polyurethane coating can effectively seal the surface of the nylon pulley and block the invasion of water, thereby avoiding the deformation of the pulley.

[0017] 2. Through the design of the metal skeleton and the nylon layer, and the design of the carbon fiber wound around the metal skeleton once, the high bearing effect of the nylon pulley can be effectively realized, and the design of the glass fiber plate can effectively improve the tensile strength of the nylon pulley, thereby ensuring the service life of the nylon pulley. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is the structure diagram of the cast nylon pulley with reinforcing ribs of the utility model;

[0019] Fig. 2 is the sectional view of the pulley body side wall in the cast nylon pulley with reinforcing ribs of the utility model;

[0020] Fig. 3 is the main sectional view of the metal hub in the cast nylon pulley with reinforcing ribs of the utility model.

[0021] The signs are explained as follows:

[0022] 1. Pulley groove; 2. Pulley body; 3. Reinforcing rib; 4. Mounting hole; 5. Carbon fiber; 6. Epoxy resin coating; 7. Fiberglass board; 8. Metal frame; 9. Nylon layer; 10. Metal hub; 11. Honeycomb panel; 12. Through hole; 13. Calcium carbonate particles; 14. Talc powder; 15. Pulley seat; 16. Polyurethane coating. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0024] like Figs. 1-3 As shown, this embodiment of a cast nylon pulley with reinforcing ribs includes a pulley body 2, a metal hub 10 disposed in the center of the pulley body 2, a pulley seat 15 disposed on the outer side of the metal hub 10, a through hole 12 disposed on the pulley seat 15, a calcium carbonate particle 13 filled in the center of the through hole 12, and talc powder 14 filled on both sides of the calcium carbonate particle 13 in the through hole 12. Through the design of the pulley seat 15, the through hole 12, the calcium carbonate particle 13 and the talc powder 14, the water absorption rate of the nylon pulley can be effectively reduced. By utilizing the reinforcing effect, physical barrier effect and hydrophobicity of the inorganic filler, the overall hydrophobicity of the nylon pulley can be effectively improved. A polyurethane coating 16 is disposed on the outer wall of the pulley seat 15. The design, combined with the polyurethane coating 16, effectively seals the surface of the nylon pulley, preventing moisture intrusion and avoiding pulley deformation. A metal frame 8 is installed in the center of the pulley body 2, and carbon fiber 5 is wound around the metal frame 8. Fiberglass boards 7 are set on both sides of the metal frame 8, and an epoxy resin coating 6 is applied to the outer wall of the fiberglass board 7. A nylon layer 9 is set on the outer side of the pulley body 2. Through the design of the metal frame 8 and the nylon layer 9, combined with the design of the carbon fiber 5 wound around the metal frame 8, the high load-bearing capacity of the nylon pulley can be effectively achieved. At the same time, the design of the fiberglass board 7 can effectively improve the tensile strength of the nylon pulley and ensure the service life of the nylon pulley.

[0025] like Figs. 1-3 As shown, in this embodiment, a honeycomb plate 11 is arranged between the metal hub 10 and the pulley seat 15. A pulley groove 1 is opened in the middle of the pulley body 2. An installation hole 4 is provided in the middle of the metal hub 10. The metal hub 10 is connected to the pulley body 2 around the circumference by four reinforcing ribs 3. The design of the reinforcing ribs 3 can effectively improve the strength and rigidity of the pulley body 2, thereby improving the load-bearing capacity and service life of the pulley body 2.

[0026] like Figs. 1-3As shown in the figure, in this embodiment, the honeycomb plate 11 is bonded with the metal hub 10 and the pulley seat 15, the reinforcing rib 3 is welded with the metal hub 10 and the pulley body 2, and the design of the honeycomb plate 11 cooperating with the through hole 12 can ensure the circulation of the internal air of the pulley body 2 during work, thereby ensuring the heat dissipation effect of the pulley body 2.

[0027] As shown in the figure, Figs. 1-3 In this embodiment, the metal hub 10 is inserted with the pulley body 2, the pulley seat 15 is bolted with the metal hub 10, the polyurethane coating 16 is bonded with the pulley seat 15, the design of the metal profile cooperating with the mounting hole 4 facilitates the installation and use of the device, and the design of the polyurethane coating 16 can effectively block the invasion of moisture into the pulley body 2.

[0028] As shown in the figure, Figs. 1-3 In this embodiment, the through hole 12 is formed on the pulley seat 15, the calcium carbonate particles 13 and the talc powder 14 are bonded with the through hole 12, and the design of the through hole 12 cooperating with the calcium carbonate particles 13 and the talc powder 14 can effectively reduce the water absorption rate of the nylon pulley.

[0029] As shown in the figure, Figs. 1-3 In this embodiment, the nylon layer 9 is bonded with the pulley body 2, the metal skeleton 8 is inserted with the pulley body 2, the carbon fiber 5 is bonded with the metal skeleton 8, the design of the nylon layer 9 cooperating with the metal skeleton 8 enables the pulley body 2 to have light weight and high strength, and the design of the carbon fiber 5 effectively improves the carrying capacity of the pulley body 2.

[0030] As shown in the figure, Figs. 1-3 In this embodiment, the glass fiber plate 7 is bonded with the metal skeleton 8, and the epoxy resin coating 6 is bonded with the pulley body 2. The glass fiber plate 7 has high stability and can effectively improve the tensile strength of the nylon pulley. The design of the epoxy resin layer can make the pulley body 2 resist acid and alkali corrosion, effectively ensuring the service life of the nylon pulley.

[0031] The specific implementation process of the embodiment is as follows: when the device is used, the mounting holes 4 on both sides of the pulley body 2 need to be connected with the transmission device, the pulley groove 1 is tightly combined with the surface of the rope, the nylon pulley realizes the dragging and carrying function of the object, through the design of calcium carbonate particles 13 and talcum powder 14, the reinforcing effect, physical barrier effect and hydrophobicity of inorganic fillers can effectively improve the hydrophobicity of the whole nylon pulley, and the design of the polyurethane coating 16 can effectively seal the surface of the nylon pulley and block the invasion of water to avoid the deformation of the pulley; through the design of the metal framework 8 and the nylon layer 9, combined with the design of the carbon fiber 5 wound around the metal framework 8, the high bearing effect of the nylon pulley can be effectively realized, at the same time, combined with the design of the glass fiber plate 7, the tensile strength of the nylon pulley can be effectively improved, the service life of the nylon pulley is guaranteed, the design of the epoxy resin coating 6 can guarantee the acid and alkali corrosion resistance of the nylon pulley, and the service life of the nylon pulley in harsh environment is effectively guaranteed.

[0032] The above description of the disclosed embodiments enables one skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A reinforced molded nylon pulley, characterized by: The application relates to a pulley body (2), wherein a metal hub (10) is arranged in the middle of the pulley body (2), a pulley seat (15) is arranged outside the metal hub (10), a through hole (12) is arranged on the pulley seat (15), calcium carbonate particles (13) are filled in the middle of the through hole (12), talcum powder (14) is filled on both sides of the calcium carbonate particles (13) in the through hole (12), a polyurethane coating (16) is arranged on the outer wall of the pulley seat (15), a metal framework (8) is arranged in the middle of the pulley body (2), carbon fibers (5) are wound around the metal framework (8), glass fiber plates (7) are arranged on both sides of the metal framework (8), an epoxy resin coating (6) is arranged on the outer wall of the glass fiber plates (7), and a nylon layer (9) is arranged outside the pulley body (2).

2. A reinforced molded nylon pulley as defined in claim 1 wherein: The metal hub (10) and the pulley seat (15) are arranged with a honeycomb plate (11), a pulley groove (1) is arranged in the middle of the pulley body (2), the metal hub (10) is arranged with a mounting hole (4), and the metal hub (10) is connected with the pulley body (2) through four reinforcing ribs (3).

3. A reinforced molded nylon pulley as defined in claim 2 wherein: The honeycomb plate (11), the metal hub (10) and the pulley seat (15) are all adhered, and the reinforcing ribs (3), the metal hub (10) and the pulley body (2) are all welded.

4. A reinforced molded nylon pulley as defined in claim 1 wherein: The metal hub (10) is inserted into the pulley body (2), the pulley seat (15) is bolted with the metal hub (10), and the polyurethane coating (16) is adhered with the pulley seat (15).

5. A reinforced molded nylon pulley as defined in claim 1 wherein: The through hole (12) is formed on the pulley seat (15), and the calcium carbonate particles (13) and the talcum powder (14) are adhered with the through hole (12).

6. A reinforced molded nylon pulley as defined in claim 1 wherein: The nylon layer (9) is adhered with the pulley body (2), the metal framework (8) is inserted into the pulley body (2), and the carbon fibers (5) are adhered with the metal framework (8).

7. A reinforced molded nylon pulley as defined in claim 1 wherein: The glass fiber plates (7) are adhered with the metal framework (8), and the epoxy resin coating (6) is adhered with the pulley body (2).

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