A cone pulley

Abstract

The utility model discloses a kind of conical chain wheel drums, including connecting shaft, the right end of connecting shaft outer surface is fixedly connected with cylinder, and the left side of cylinder is fixedly connected with sprocket, the right end of cylinder inner cavity and the left end of sprocket inner cavity are movably connected with bearing, and the outside of bearing is provided with bearing circlip, the left and right sides of connecting shaft are all provided with thread groove, the diameter of connecting shaft is 15mm, the diameter of thread groove is 8mm, and the depth of thread groove is 20mm.The utility model is provided with wear-resistant protective layer, the EPDM layer included can play first layer wear-resistant protective treatment to cylinder, and the nitrile rubber layer can play second layer wear-resistant protective treatment to cylinder after EPDM layer is damaged, high-temperature-resistant protective layer is provided, the chloroprene rubber layer included can play first layer high-temperature-resistant protective treatment to cylinder after nitrile rubber layer is damaged, and the chlorinated rubber layer can play second layer high-temperature-resistant protective treatment to cylinder after chloroprene rubber layer is damaged.

Description

Technical Field

[0001] This utility model relates to the field of roller technology, specifically a conical sprocket roller. Background Technology

[0002] Rollers are cylindrical parts, divided into drive rollers and driven rollers. They are used in various transmission and conveying systems such as printing machines, digital printers, papermaking and packaging machinery, etc. They are mostly made of stainless steel, cast steel, and solid forged alloy steel core. Double-row chain rollers are a type of roller, but existing double-row chain rollers lack wear-resistant and other protective mechanisms, resulting in poor overall wear resistance. Therefore, we propose a conical sprocket roller. Utility Model Content

[0003] The purpose of this invention is to provide a tapered sprocket roller to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a conical sprocket roller, including a connecting shaft, a cylinder body fixedly connected to the right end of the outer surface of the connecting shaft, and a sprocket fixedly connected to the left side of the cylinder body, bearings being movably connected to the right end of the inner cavity of the cylinder body and the left end of the inner cavity of the sprocket, and bearing retaining rings being provided on the outer side of the bearings.

[0005] Preferably, threaded grooves are provided on both the left and right sides of the connecting shaft, the diameter of the connecting shaft is 15mm, the diameter of the threaded groove is 8mm, and the depth of the threaded groove is 20mm.

[0006] Preferably, the thickness of the cylinder is 3mm, and the outer surface of the cylinder is connected with a polyurethane coating layer by PP glue. The diameter of the right side of the polyurethane coating layer is 50mm, and the diameter of the left side of the polyurethane coating layer is 75.83mm.

[0007] Preferably, the outer surface of the polyurethane coating layer is provided with a high-temperature resistant protective layer, and the outer surface of the high-temperature resistant protective layer is provided with a wear-resistant protective layer.

[0008] Preferably, the high-temperature resistant protective layer includes a chlorinated rubber layer and a chloroprene rubber layer, and the wear-resistant protective layer includes a nitrile rubber layer and a EPDM rubber layer.

[0009] Preferably, the chlorinated rubber layer is bonded to the outer surface of the polyurethane coating layer by PP adhesive, the chloroprene rubber layer is bonded to the outer surface of the chlorinated rubber layer by PP adhesive, the nitrile rubber layer is bonded to the outer surface of the chloroprene rubber layer by PP adhesive, and the EPDM rubber layer is bonded to the outer surface of the nitrile rubber layer by PP adhesive.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] This utility model is provided with a wear-resistant protective layer, which includes an EPDM rubber layer that provides the first layer of wear-resistant protection for the cylinder, and a nitrile rubber layer that provides the second layer of wear-resistant protection for the cylinder after the EPDM rubber layer is damaged. It is also provided with a high-temperature resistant protective layer, which includes a chloroprene rubber layer that provides the first layer of high-temperature resistant protection for the cylinder after the nitrile rubber layer is damaged, and a chlorinated rubber layer that provides the second layer of high-temperature resistant protection for the cylinder after the chloroprene rubber layer is damaged. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram showing the connection between the high-temperature resistant protective layer and the wear-resistant protective layer and the polyurethane coating layer of this utility model;

[0014] Figure 3 This is a schematic diagram of the high-temperature resistant protective layer structure of this utility model;

[0015] Figure 4 This is a schematic diagram of the wear-resistant protective layer structure of this utility model.

[0016] In the diagram: 1. Cylinder body; 2. Bearing retainer; 3. Sprocket; 4. Polyurethane coating layer; 5. Bearing; 6. Connecting shaft; 7. Threaded groove; 8. High-temperature resistant protective layer; 81. Chlorinated rubber layer; 82. Neoprene rubber layer; 9. Wear-resistant protective layer; 91. Nitrile rubber layer; 92. EPDM rubber layer. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] The components in this application, including the cylinder 1, bearing retaining ring 2, sprocket 3, polyurethane coating layer 4, bearing 5, connecting shaft 6, threaded groove 7, high-temperature resistant protective layer 8, chlorinated rubber layer 81, neoprene rubber layer 82, wear-resistant protective layer 9, nitrile rubber layer 91, and EPDM rubber layer 92, are all general standard parts or parts known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0019] Please see Figures 1-4A conical sprocket roller includes a connecting shaft 6, a cylinder 1 is fixedly connected to the right end of the outer surface of the connecting shaft 6, and a sprocket 3 is fixedly connected to the left side of the cylinder 1. Bearings 5 ​​are movably connected to the right end of the inner cavity of the cylinder 1 and the left end of the inner cavity of the sprocket 3, and a bearing retainer 2 is provided on the outside of the bearing 5.

[0020] Threaded grooves 7 are provided on both the left and right sides of the connecting shaft 6. The diameter of the connecting shaft 6 is 15mm, the diameter of the threaded grooves 7 is 8mm, and the depth of the threaded grooves 7 is 20mm. The thickness of the cylinder 1 is 3mm. A polyurethane coating layer 4 is attached to the outer surface of the cylinder 1 by PP glue. The diameter of the right side of the polyurethane coating layer 4 is 50mm, and the diameter of the left side of the polyurethane coating layer 4 is 75.83mm. A high-temperature resistant protective layer 8 is provided on the outer surface of the polyurethane coating layer 4, and a wear-resistant protective layer 9 is provided on the outer surface of the high-temperature resistant protective layer 8. The high-temperature resistant protective layer 8 includes a chlorinated rubber layer 81 and a neoprene rubber layer 82, and the wear-resistant protective layer 9 includes a nitrile rubber layer 91 and a EPDM rubber layer 92. The chlorinated rubber layer 81 is attached to the outer surface of the polyurethane coating layer 4 by PP glue. On one side, a chloroprene rubber layer 82 is connected to the outer surface of a chlorinated rubber layer 81 via PP adhesive, a nitrile rubber layer 91 is connected to the outer surface of a chloroprene rubber layer 82 via PP adhesive, and a EPDM rubber layer 92 is connected to the outer surface of a nitrile rubber layer 91 via PP adhesive. A wear-resistant protective layer 9 is provided, in which the EPDM rubber layer 92 provides a first layer of wear-resistant protection for the cylinder 1, and the nitrile rubber layer 91 provides a second layer of wear-resistant protection for the cylinder 1 after the EPDM rubber layer 92 is damaged. A high-temperature resistant protective layer 8 is provided, in which the chloroprene rubber layer 82 provides a first layer of high-temperature resistant protection for the cylinder 1 after the nitrile rubber layer 91 is damaged, and the chlorinated rubber layer 81 provides a second layer of high-temperature resistant protection for the cylinder 1 after the chloroprene rubber layer 82 is damaged.

[0021] The working principle of this application is as follows: A wear-resistant protective layer 9 is provided, which includes an EPDM rubber layer 92 that provides the first layer of wear-resistant protection for the cylinder 1, and an nitrile rubber layer 91 that provides the second layer of wear-resistant protection for the cylinder 1 after the EPDM rubber layer 92 is damaged. A high-temperature resistant protective layer 8 is provided, which includes a chloroprene rubber layer 82 that provides the first layer of high-temperature resistant protection for the cylinder 1 after the nitrile rubber layer 91 is damaged, and a chlorinated rubber layer 81 that provides the second layer of high-temperature resistant protection for the cylinder 1 after the chloroprene rubber layer 82 is damaged.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A conical sprocket roller, comprising a connecting shaft (6), characterized in that: The right end of the outer surface of the connecting shaft (6) is fixedly connected to the cylinder (1), and the left side of the cylinder (1) is fixedly connected to the sprocket (3). The right end of the inner cavity of the cylinder (1) and the left end of the inner cavity of the sprocket (3) are movably connected to the bearing (5), and the bearing (5) is provided with a bearing retaining ring (2) on the outside of the bearing (5).

2. The conical sprocket roller according to claim 1, characterized in that: The connecting shaft (6) has threaded grooves (7) on both the left and right sides. The diameter of the connecting shaft (6) is 15mm, the diameter of the threaded groove (7) is 8mm, and the depth of the threaded groove (7) is 20mm.

3. A conical sprocket roller according to claim 1, characterized in that: The thickness of the cylinder (1) is 3mm. The outer surface of the cylinder (1) is connected with a polyurethane coating layer (4) by PP glue. The diameter of the right side of the polyurethane coating layer (4) is 50mm, and the diameter of the left side of the polyurethane coating layer (4) is 75.83mm.

4. A conical sprocket roller according to claim 3, characterized in that: The outer surface of the polyurethane coating layer (4) is provided with a high-temperature resistant protective layer (8), and the outer surface of the high-temperature resistant protective layer (8) is provided with a wear-resistant protective layer (9).

5. A conical sprocket roller according to claim 4, characterized in that: The high-temperature resistant protective layer (8) includes a chlorinated rubber layer (81) and a chloroprene rubber layer (82), and the wear-resistant protective layer (9) includes a nitrile rubber layer (91) and a EPDM rubber layer (92).

6. A conical sprocket roller according to claim 5, characterized in that: The chlorinated rubber layer (81) is connected to the outer surface of the polyurethane coating layer (4) by PP glue, the chloroprene rubber layer (82) is connected to the outer surface of the chlorinated rubber layer (81) by PP glue, the nitrile rubber layer (91) is connected to the outer surface of the chloroprene rubber layer (82) by PP glue, and the EPDM rubber layer (92) is connected to the outer surface of the nitrile rubber layer (91) by PP glue.

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