A wear-resistant sleeve for tire sorting guide rod

Abstract

The utility model relates to the field of tire production equipment, and discloses a wear-resistant sleeve for a tire sorting guide rod. A concave oil storage tank is provided on the outside of the sleeve, and an oiling nozzle is provided on the bearing seat, and the concave oil storage tank is connected with the oiling nozzle; a plurality of radial oil inlet holes are provided in the middle of the main body of the sleeve, and the outer side of the oil inlet hole is connected with the concave oil storage tank; a plurality of axial oil passages are provided on the inner surface of the sleeve; and the sleeve is made of wear-resistant polyoxymethylene resin. The utility model adopts a reasonable lubricating oil circuit design to fully lubricate the sleeve and the sorting guide rod, reduce friction, and increase the service life of the sleeve; the sleeve is made of wear-resistant resin, which has high hardness, high rigidity, high temperature resistance, good elasticity, impact resistance, high wear resistance, low replacement and maintenance cost, and reduces the cost investment of replacing spare parts due to wear; it does not damage the sorting guide rod, and extends the service life of the sorting guide rod; it has low operating noise, and improves the quality of the working environment; it has a simple structure, is easy to make, and is conducive to promotion.

Description

Technical Field

[0001] The utility model relates to the field of tire production equipment, in particular to a wear-resistant shaft sleeve of a tire sorting guide rod. Background Art

[0002] At present, in the tire production process, tires of different specifications need to be sorted to the designated testing line for testing. In the sorting process, the tire arm uses the sorting guide rod as the guide axis during the swinging process of the tire. The end of the sorting guide rod is provided with a shaft sleeve, which is made of metal. Due to the high frequency of sorting actions, fast movements, and instantaneous stops, the metal shaft sleeve is severely damaged. In addition, the existing lubricating oil circuit design is not ideal, and the shaft sleeve wears faster. It needs to be purchased and replaced regularly, and the cost of use is high. Utility Model Content

[0003] In order to overcome the defects of the prior art, the utility model provides a wear-resistant sleeve for a tire sorting guide rod, and the technical solution is as follows:

[0004] A wear-resistant sleeve for a tire sorting guide rod, wherein the sleeve inner cavity is sleeved with the sorting guide rod, and the bearing seat inner cavity is sleeved with the sleeve; a concave oil storage groove is arranged on the outside of the sleeve, and an oil injection nozzle is arranged on the bearing seat, and the concave oil storage groove and the oil injection nozzle are connected; a plurality of radial oil inlet holes are arranged in the middle of the main body of the sleeve, the outer side of the oil inlet hole is connected with the concave oil storage groove, and the inner side of the oil inlet hole is connected with the sleeve inner cavity, so that lubricating oil flows into the inner surface of the sleeve for lubrication; a plurality of axial oil passages are arranged on the inner surface of the sleeve, so that the inner surface of the sleeve and the sorting guide rod are fully lubricated, and the friction between the inner surface of the sleeve and the sorting guide rod is reduced; the sleeve is made of wear-resistant resin.

[0005] Furthermore, the shape of the oil inlet hole includes a columnar shape.

[0006] Furthermore, the number of the oil inlet holes is no less than 4.

[0007] Furthermore, the shape of the oil channel includes a trapezoid.

[0008] Furthermore, the oil channel is trapezoidal in shape, larger inside and smaller outside.

[0009] Furthermore, the height of the oil channel trapezoid is not less than 5 mm.

[0010] Furthermore, the number of the oil channels is no less than 6.

[0011] Furthermore, the wear-resistant resin is polyoxymethylene resin.

[0012] Compared with the prior art, the utility model mainly has the following advantages:

[0013] 1. Adopt reasonable lubrication oil circuit design to ensure sufficient lubrication between the sleeve and the sorting guide rod, reduce friction and increase the service life of the sleeve.

[0014] 2. The sleeve is made of wear-resistant polyoxymethylene resin (POM for short), which has the characteristics of high hardness, high rigidity, high temperature resistance, good elasticity, impact resistance, and high wear resistance, especially outstanding wear resistance. Compared with traditional metal sleeves, the replacement and maintenance cost is low, reducing the cost of replacing spare parts due to wear.

[0015] 3. No damage to the sorting guide rod, extending the service life of the sorting guide rod.

[0016] 4. Low operating noise, improving the quality of the working environment.

[0017] 5. Simple structure, easy to make, and conducive to promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the axial cross-section structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the radial cross-section structure of the utility model;

[0020] Figure 3 This is a side view of the structure of the utility model;

[0021] In the figure: 1-bearing seat, 2-oil inlet hole, 3-concave oil storage tank, 4-sleeve, 5-oil channel, 6-oil nozzle, 7-sorting guide rod installation position. DETAILED DESCRIPTION

[0022] The utility model is described in detail below in conjunction with the embodiments and drawings. Example 1

[0023] See also Figure 1 , Figure 2 and Figure 3 A wear-resistant sleeve for a tire sorting guide rod, wherein the sleeve 4 is sleeved with the sorting guide rod in its inner cavity, and the sleeve 4 is sleeved with the inner cavity of the bearing seat 1; a concave oil storage tank 3 is arranged outside the sleeve 4, and an oiling nozzle 6 is arranged on the bearing seat 1, and the concave oil storage tank 3 and the oiling nozzle 6 are connected; a plurality of radial oil inlet holes 2 are arranged in the middle of the main body of the sleeve 4, the outer side of the oil inlet holes 2 is connected with the concave oil storage tank 3, and the inner side of the oil inlet holes 2 is connected with the inner cavity of the sleeve 4, so that lubricating oil flows into the inner surface of the sleeve 4 for lubrication; a plurality of axial oil passages 5 are arranged on the inner surface of the sleeve 4, so that the inner surface of the sleeve 4 and the sorting guide rod are fully lubricated, and the friction between the inner surface of the sleeve 4 and the sorting guide rod is reduced; the sleeve 4 is made of wear-resistant resin. Example 2

[0024] See also Figure 1 , Figure 2 and Figure 3A wear-resistant sleeve for a tire sorting guide rod, based on the technical solution described in Example 1, wherein the oil inlet hole 2 is cylindrical, which is conducive to smooth oil inlet; the number of the oil inlet holes 2 is not less than 4, so as to ensure sufficient oil inlet and uniform distribution. Example 3

[0025] See also Figure 1 , Figure 2 and Figure 3 A wear-resistant sleeve for a tire sorting guide rod, based on the technical solution recorded in Example 1, the oil passage is in the shape of a trapezoid with a large inner portion and a small outer portion, which is equivalent to a "transfer station" for the lubricating oil in the sleeve 4, and can temporarily store the excess lubricating oil from the oil inlet hole 2 during the process of forming the oil film, and can release the oil in time when the oil film needs to be replenished; the height of the oil passage trapezoid is not less than 5 mm, and the number of oil passages is not less than 6, so as to give full play to its role as a "transfer station" for the lubricating oil. Example 4

[0026] See also Figure 1 , Figure 2 and Figure 3 A wear-resistant sleeve for a tire sorting guide rod, based on the technical solution described in Example 1, wherein the wear-resistant resin is polyoxymethylene resin. Polyoxymethylene resin, referred to as POM, is a linear polymer without side chains, high density, and high crystallinity. It is an engineering plastic with excellent comprehensive performance, and has the characteristics of high hardness, high rigidity, high temperature resistance, good elasticity, impact resistance, and high wear resistance, especially outstanding wear resistance.

[0027] The basic working principle of the utility model is as follows:

[0028] The lubricating oil is injected from the oil injection nozzle 6 of the bearing seat 1, and then enters the concave oil storage tank 3 outside the sleeve 4, enters the inner cavity of the sleeve 4 through the oil inlet hole 2, and lubricates the contact surface between the sorting guide rod and the sleeve 4 by forming an oil film on the inner surface of the sleeve 4; the excess part is temporarily stored in the oil channel 5 during the formation of the oil film, and is released from the oil channel 5 when the oil film needs to be replenished; the inner surface of the sleeve 4 and the sorting guide rod are fully lubricated, and the friction between the inner surface of the sleeve 4 and the sorting guide rod is greatly reduced. The material of the sleeve 4 is wear-resistant polyoxymethylene resin. Since the sleeve 4 is well lubricated and the material is wear-resistant, the sleeve 4 of the utility model is a truly wear-resistant sleeve.

Claims

1. A wear-resistant sleeve for a tire sorting guide rod, wherein the sleeve inner cavity is fitted with the sorting guide rod, and the bearing seat inner cavity is fitted with the sleeve, characterized in that: A concave oil storage groove is arranged on the outside of the sleeve, and an oiling nozzle is arranged on the bearing seat, and the concave oil storage groove and the oiling nozzle are communicated with each other; a plurality of radial oil inlet holes are arranged in the middle of the main body of the sleeve, the outer side of the oil inlet holes is communicated with the concave oil storage groove, and the inner side of the oil inlet holes is communicated with the inner cavity of the sleeve, so that the lubricating oil flows into the inner surface of the sleeve for lubrication; a plurality of axial oil passages are arranged on the inner surface of the sleeve, so that the inner surface of the sleeve and the sorting guide rod are fully lubricated, and the friction between the inner surface of the sleeve and the sorting guide rod is reduced; the material of the sleeve is wear-resistant resin.

2. A tire sorting guide rod wear-resistant sleeve according to claim 1, characterized in that: The shape of the oil inlet hole includes a columnar shape.

3. The wear-resistant sleeve for a tire sorting guide rod according to claim 1, characterized in that: The number of the oil inlet holes is no less than 4.

4. A tire sorting guide rod wear-resistant sleeve according to claim 1, characterized in that: The shape of the oil passage includes a trapezoid.

5. A tire sorting guide rod wear-resistant sleeve according to claim 4, characterized in that: The oil passage is trapezoidal in shape with a larger inner side and a smaller outer side.

6. A tire sorting guide rod wear-resistant sleeve according to claim 4, characterized in that: The height of the oil channel trapezoid is not less than 5 mm.

7. The wear-resistant sleeve for a tire sorting guide rod according to claim 1, characterized in that: The number of the oil passages is no less than 6.

8. The tire sorting guide rod wear-resistant sleeve according to claim 1, characterized in that: The wear-resistant resin is polyoxymethylene resin.

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