Cylindrical roller bearing retainer for thread spinner

Abstract

The cylindrical roller bearing retainer comprises an inner retainer body, outer retainer bodies are arranged on the upper surface and the lower surface of the inner retainer body, a plurality of bolts are arranged on the faces, away from the inner retainer body, of the outer retainer bodies, and a plurality of first protruding blocks and a plurality of second protruding blocks are fixedly connected to the faces, opposite to the inner retainer body, of the outer retainer bodies respectively. The bolt penetrates through the first protruding block and is in threaded connection with the second protruding block, arc-shaped grooves are formed in the left surface and the right surface of the first protruding block, storage boxes are arranged in the left surface and the right surface of each arc-shaped groove, arc edges are arranged at the left end and the right end of each arc-shaped groove, and an oil outlet is formed in the concave face of each arc-shaped groove. Through the structure, dust and impurities on the surface of the roller are simply cleaned and stored while lubrication is provided, the structure is simple, the maintenance cost is low, the practicability is high, normal operation of the roller is ensured, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing retainers, in particular to a cylindrical roller bearing retainer for textile machinery. Background Art

[0002] Cylindrical roller bearing cages are used when textile machinery is working. When using existing cylindrical roller cages, it is still necessary to pay attention to the supply of lubricating oil. While supplying lubricating oil, it is necessary to pay attention to the fact that the lubricating oil attached to the surface of the roller is easy to adhere to impurities and dust when running at high speed, which will affect the contact and movement between the roller and the cage, thereby causing increased friction, increased wear, and even jamming. It will increase the cost of maintenance and the number of maintenance. Cleaning dust and impurities to ensure its normal operation and service life cannot be achieved with existing bearing cages. For example, the "Cylindrical Roller Bearing Cage" disclosed on the China Patent Network, with application number "202222449937.X", can only provide lubrication for the cylindrical roller bearing cage, but cannot remove impurities from the cylindrical roller, thereby failing to ensure its normal operation and service life. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a cylindrical roller bearing retainer for textile machinery, which improves the lubrication performance while cleaning the impurities and dust on the surface of the high-speed rotating cylindrical roller, and stores impurities and oil for easy maintenance and treatment. It has a simple structure and low maintenance cost, and improves the practicality of the bearing retainer.

[0004] The utility model also provides the above-mentioned cylindrical roller bearing retainer for textile machinery, comprising: an inner retainer, outer retainers are arranged on the upper and lower surfaces of the inner retainer, a plurality of bolts are arranged on the side of the two outer retainers away from the inner retainer, a plurality of first protrusions and a plurality of second protrusions are fixedly connected to the sides of the two outer retainers opposite to the inner retainer, the first protrusions and the second protrusions are relatively distributed up and down, the bolts pass through the first protrusions and are threadedly connected to the second protrusions, the left and right surfaces of the first protrusion are provided with arc-shaped grooves, the inside of the left and right surfaces of the arc-shaped groove are provided with storage boxes, the left and right ends of the arc-shaped groove are provided with arc edges, the concave surface of the arc-shaped groove is provided with an oil outlet, and two oil storage pipes are arranged inside the first protrusion, and the oil outlet passes through one end of the oil storage pipe.

[0005] According to the cylindrical roller bearing retainer for textile machinery described in the utility model, a concave block is provided on one side of the two outer retainers close to the inner retainer, and a heat dissipation groove is provided on the concave surface of the concave block. Through the above components, the friction area of ​​the roller is reduced, and the heat generated by the friction of the cylindrical roller during high-speed operation is simply collected, ensuring that the bearing retainer runs at a normal working temperature.

[0006] According to the cylindrical roller bearing retainer for textile machinery described in the utility model, a heat sink is arranged inside the heat sink, and the heat sink completely covers the heat sink. Through the above components, the heat collected by the heat sink is simply cooled to avoid local accumulation of heat and local overheating.

[0007] According to the cylindrical roller bearing retainer for textile machinery described in the utility model, the heat dissipation groove is provided with heat dissipation holes inside, and the heat dissipation holes penetrate the heat sink and the outer retainer. Through the above components, a large amount of heat is generated by the cylindrical roller working for a long time, and it is simply released to the outside to avoid the degradation of the heat sink performance and increase the service life of the heat sink.

[0008] According to the cylindrical roller bearing retainer for textile machinery described in the utility model, a refueling port is provided at the other end of the oil storage pipe, and a sealing cover is provided at the upper end of the refueling port. Through the above components, impurities and dust are reduced from entering the refueling port, and the deterioration of grease affecting its lubrication effect is avoided.

[0009] According to the cylindrical roller bearing retainer for textile machinery described in the utility model, a rubber pad is provided on the upper surface of the second protrusion, and the rubber pad completely covers the second protrusion. Through the above components, the friction area is increased to fix the cylindrical roller and reduce the wear on the second protrusion.

[0010] According to the cylindrical roller bearing retainer for textile machinery described in the utility model, the lower end of the storage box is fixedly connected with a buckle, and the buckle is engaged with the arc-shaped groove. Through the above components, the storage box can be stably engaged inside the arc-shaped groove, thereby increasing the stability of the storage box.

[0011] According to the cylindrical roller bearing retainer for textile machinery described in the utility model, the upper end of the storage box is fixedly connected with a draw buckle, and the storage box clamped in the arc-shaped groove can be easily taken out through the above components, so that the storage box can be cleaned and handled conveniently.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the cylindrical roller bearing cage for textile machinery provides lubrication through arc grooves, storage boxes, arc edges, oil outlets, oil filling ports, and oil storage pipes, while simply cleaning and storing dust and impurities on the roller surface. It has a simple structure, low maintenance cost, and high practicality.

[0014] 2. Compared with the prior art, the cylindrical roller bearing cage for textile machinery reduces the friction area of ​​the roller and performs simple heat dissipation during use through buckles, snaps, rubber pads, sealing covers, heat dissipation grooves, heat dissipation holes, and heat sinks, thereby reducing the wear on the cage and rollers and increasing their service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 It is a right view structural diagram of the cylindrical roller cage for textile machinery of the utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of a cylindrical roller cage for textile machinery of the utility model;

[0018] Figure 3 This is an enlarged structural diagram of the B position of the cylindrical roller cage for textile machinery of the utility model;

[0019] Figure 4 This is a bolt cross-sectional structure diagram of a cylindrical roller cage for textile machinery of the utility model;

[0020] Figure 5 The utility model is a cross-sectional structural diagram of the oil storage pipeline of the cylindrical roller cage for textile machinery.

[0021] Legend:

[0022] 1. Inner retainer; 2. Outer retainer; 3. Bolt; 4. Arc-shaped groove; 5. Storage box; 6. Oil outlet; 7. Oil storage pipeline; 8. Sealing cover; 9. Arc edge; 10. Heat sink; 11. Heat sink; 12. Heat dissipation hole; 13. Oil filling port; 14. First protrusion; 15. Second protrusion; 16. Concave block; 17. Rubber pad; 18. Buckle; 19. Buckle. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-5The cylindrical roller bearing cage for textile machinery of the utility model embodiment comprises: an inner cage 1, an outer cage 2 is arranged on the upper surface and the lower surface of the inner cage 1, a plurality of bolts 3 are arranged on the side of the two outer cages 2 away from the inner cage 1, a plurality of first protrusions 14 and a plurality of second protrusions 15 are respectively fixedly connected to the side opposite to the inner cage 1 of the two outer cages 2, the first protrusions 14 and the second protrusions 15 are relatively distributed up and down, the bolts 3 penetrate the first protrusions 14 and are threadedly connected to the second protrusions 15, and the above components cooperate with each other to form The basic structure of the retaining frame is that the left and right surfaces of the first protrusion 14 are provided with arc-shaped grooves 4, and the left and right surfaces of the arc-shaped grooves 4 are provided with storage boxes 5 inside. The storage boxes 5 store dust and impurities on the surface of the roller. The left and right ends of the arc-shaped grooves 4 are provided with arc edges 9. The arc edges 9 scrape the dust, impurities and lubricating oil on the surface of the roller. The concave surface of the arc-shaped grooves 4 is provided with an oil outlet 6. The inside of the first protrusion 14 is provided with two oil storage pipes 7. The oil outlet 6 runs through one end of the oil storage pipe 7. The above devices cooperate with each other to form a structure for storing dust and impurities and providing a lubrication effect.

[0025] A concave block 16 is provided on one side of the two outer retainers 2 close to the inner retainer 1, and a heat dissipation groove 10 is provided on the concave surface of the concave block 16. A heat sink 11 is provided inside the heat dissipation groove 10, and the heat dissipation fin 11 completely covers the heat dissipation groove 10. A heat dissipation hole 12 is provided inside the heat dissipation groove 10, and the heat dissipation hole 12 runs through the heat dissipation fin 11 and the outer retainer 2. The above devices cooperate with each other to reduce the friction area of ​​the roller, simply collect the heat generated by the friction of the cylindrical roller during high-speed operation, ensure that the bearing retainer runs at a normal operating temperature, simply cool the heat collected by the heat dissipation groove 10 to avoid local accumulation of heat and local overheating, and simply release the heat to the outside to avoid performance degradation of the heat sink 11 and increase the service life of the heat sink 11.

[0026] A refueling port 13 is provided at the other end of the oil storage pipe 7, and a sealing cover 8 is provided at the upper end of the refueling port 13 to reduce the entry of impurities and dust into the refueling port 13 and prevent the grease from deteriorating and affecting its lubrication effect. A rubber pad 17 is provided on the upper surface of the second protrusion 15, and the rubber pad 17 completely covers the second protrusion 15, thereby increasing the friction area to fix the cylindrical roller and reducing the wear on the second protrusion 15. A buckle 19 is fixedly connected to the lower end of the storage box 5, and the buckle 19 is clamped into the arc groove 4, so that the storage box 5 is stably clamped in the inside of the arc groove 4, thereby increasing the stability of the storage box 5. A pull buckle 18 is fixedly connected to the upper end of the storage box 5, and the pull buckle 18 is convenient for taking out the storage box 5 clamped in the inside of the arc groove 4, so as to facilitate cleaning and handling of the storage box 5.

[0027] Working principle: by rotating the bolt 3, the inner cage 1 and the outer cage 2 are clamped to the cylindrical roller, and grease is added through the refueling port 13 on the upper surface of the outer cage 2. The grease is stored in the oil storage pipe 7, and the oil outlet 6 is tightly connected to the cylindrical roller. The grease passes through the oil outlet 6 so that the grease adheres to the surface of the cylindrical roller. Therefore, the heat generated by the cylindrical roller when running at high speed makes the grease liquefy into lubricating oil and adheres to the surface of the cylindrical roller. At the same time, the lubricating oil on the surface of the cylindrical roller adheres to the air and dust impurities in production and enters the storage box 5 through the scraping impurities of the arc edge 9 at high speed. The lubricating oil in the impurities slides through the arc edge 9 into the arc groove 4 for repeated use. The storage box 5 is conveniently taken out through the draw buckle 18 to clean and handle the impurities and dust, maintain the use of the cylindrical roller cage, ensure its normal operation and increase the service life.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A cylindrical roller bearing cage for textile machinery, characterized in that: include: An inner retainer (1), wherein an outer retainer (2) is arranged on the upper surface and the lower surface of the inner retainer (1), a plurality of bolts (3) are arranged on the side of the two outer retainers (2) away from the inner retainer (1), and a plurality of first protrusions (14) and a plurality of second protrusions (15) are respectively fixedly connected to the side of the two outer retainers (2) opposite to the inner retainer (1), wherein the first protrusions (14) and the second protrusions (15) are relatively distributed up and down, and the bolts (3) penetrate the first protrusions (14) and are threadedly connected to the second protrusions (15); The left and right surfaces of the first protrusion (14) are provided with arc-shaped grooves (4), the left and right surfaces of the arc-shaped groove (4) are provided with storage boxes (5), the left and right ends of the arc-shaped groove (4) are provided with arc edges (9), the concave surface of the arc-shaped groove (4) is provided with an oil outlet (6), the inside of the first protrusion (14) is provided with two oil storage pipes (7), and the oil outlet (6) passes through one end of the oil storage pipe (7).

2. The cylindrical roller bearing cage for textile machinery according to claim 1, characterized in that: A concave block (16) is provided on one side of the two outer retainers (2) close to the inner retainer (1), and a heat dissipation groove (10) is provided on the concave surface of the concave block (16).

3. The cylindrical roller bearing cage for textile machinery according to claim 2, characterized in that: A heat sink (11) is arranged inside the heat dissipation slot (10), and the heat sink (11) completely covers the heat dissipation slot (10).

4. The cylindrical roller bearing cage for textile machinery according to claim 3, characterized in that: A heat dissipation hole (12) is provided inside the heat dissipation groove (10), and the heat dissipation hole (12) penetrates the heat dissipation fin (11) and the outer retaining frame (2).

5. The cylindrical roller bearing cage for textile machinery according to claim 1, characterized in that: The other end of the oil storage pipeline (7) is provided with a refueling port (13), and the upper end of the refueling port (13) is provided with a sealing cover (8).

6. The cylindrical roller bearing cage for textile machinery according to claim 1, characterized in that: A rubber pad (17) is provided on the upper surface of the second convex block (15), and the rubber pad (17) completely covers the second convex block (15).

7. The cylindrical roller bearing cage for textile machinery according to claim 1, characterized in that: A buckle (19) is fixedly connected to the lower end of the storage box (5), and the buckle (19) is engaged with the arc-shaped groove (4).

8. The cylindrical roller bearing cage for textile machinery according to claim 1, characterized in that: A drawstring (18) is fixedly connected to the upper end of the storage box (5).

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