CN213494212U - Bearing barrel of sand making machine - Google Patents

Abstract

The utility model discloses a sand making machine bearing barrel, which comprises a main bearing column, an upper extension ring, a lower outer edge ring, a fixed cylinder and a lower belt pulley which are assembled together, wherein the main bearing column is axially fixed in the fixed cylinder by the upper extension ring and the lower outer edge ring and keeps radial rotation, and the lower belt pulley is fixed with the bottom of the main bearing column; the device is characterized in that the upper extension ring consists of an upper oil seal seat and two first single-row cylindrical roller bearings, and the lower outer edge ring consists of a lower oil seal seat, a deep groove ball bearing and a second single-row cylindrical roller bearing; an oil filling hole is formed in the side wall of the fixed cylinder, and an outlet of the oil filling hole extends to the top of the fixed cylinder. The utility model makes the main bearing column more stable in the fixed cylinder; simultaneously, offer the oil filler point through the lateral wall at a fixed section of thick bamboo to extend the top of a fixed section of thick bamboo with the export of oil filler point, not only conveniently mend oil to a fixed section of thick bamboo, avoid revealing of lubricating oil moreover.

Description

Bearing barrel of sand making machine

Technical Field

The utility model relates to a system sand machine technical field especially relates to a system sand machine bearing bucket.

Background

A bearing barrel of the sand making machine is positioned at the bottom of the center of the sand making machine, and a motor drives a belt pulley at the bottom of the bearing barrel to rotate at a high speed to synchronously drive a main bearing column at the top to rotate, so that an impeller fixed above the main bearing column rotates at a high speed to complete the crushing work of materials.

At present, a common bearing barrel is integrally formed by a main bearing column, an upper outer edge ring, a lower outer edge ring, a fixed barrel and a lower belt pulley, wherein the main bearing column is perpendicular to a horizontal plane, axially fixed on the inner side of the fixed barrel by the upper outer edge ring and the lower outer edge ring, and bears external pressure by the fixed barrel so as to protect the stable rotation of the main bearing column. The bearing is arranged between the upper outer edge ring and the lower outer edge ring and the main bearing column, the bearing is generally a single-row cylindrical roller bearing, and the flange of the outer ring of the single-row cylindrical roller bearing is straight, so that the temperature is increased and the noise is high when the rotating speed is high, the lubrication of the bearing is not facilitated, and the service life of the bearing is shortened. In addition, since the bearings are rotating parts, lubrication is required to reduce wear. At present, the bearing is lubricated generally by sealing and storing oil in a bearing chamber through an oil seal; and an oil filling hole is reserved on the upper outer extension ring. However, since the impeller is installed at the top of the bearing barrel, it is inconvenient to fill oil.

Disclosure of Invention

To the problem that exists among the prior art, the utility model aims to provide a system sand machine bearing bucket of stable, the long service life of operation and the oiling of being convenient for.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A sand making machine bearing barrel comprises a main bearing column, an upper extension ring, a lower outer edge ring, a fixed cylinder and a lower belt pulley which are assembled together, wherein the main bearing column is axially fixed in the fixed cylinder by the upper extension ring and the lower outer edge ring and is kept to rotate in the radial direction, and the lower belt pulley is fixed with the bottom of the main bearing column; the device is characterized in that the upper extension ring consists of an upper oil seal seat and two first single-row cylindrical roller bearings, and the lower outer edge ring consists of a lower oil seal seat, a deep groove ball bearing and a second single-row cylindrical roller bearing; an oil filling hole is formed in the side wall of the fixed cylinder, and an outlet of the oil filling hole extends to the top of the fixed cylinder.

Preferably, the baffles of the first single-row cylindrical roller bearing and the second single-row cylindrical roller bearing are both inclined outwardly at an angle greater than 90 °.

Preferably, the upper oil seal seat and the first single-row cylindrical roller bearing and the lower oil seal seat and the deep groove ball bearing are axially fixed through a jaw.

Preferably, seal covers are arranged between the oil seals of the upper oil seal seat and the lower oil seal seat and the main bearing column, and seal rings are arranged between the upper oil seal seat and the lower oil seal seat and the fixed cylinder.

Preferably, a taper sleeve is fixed at the bottom of the main bearing column, and the lower belt pulley is fixed with the taper sleeve; and a flanging for separating the lower belt pulley from the fixed cylinder is arranged on the taper sleeve.

Preferably, the taper sleeve and the main bearing column are fixed through a key.

The utility model has the advantages that:

firstly, two bearings are respectively arranged on the upper outer extension ring and the lower outer edge ring, so that the main bearing column can run more stably in the fixed cylinder; simultaneously, offer the oil filler point through the lateral wall at a fixed section of thick bamboo to extend the top of a fixed section of thick bamboo with the export of oil filler point, not only conveniently mend oil to a fixed section of thick bamboo, avoid revealing of lubricating oil moreover.

And secondly, the baffles of the first single-row cylindrical roller bearing and the second single-row cylindrical roller bearing are inclined outwards to form an angle larger than 90 degrees, so that the running noise and the temperature rise of the single-row cylindrical roller bearing are small, the maintenance cost is reduced, and the running speed of the main bearing column is effectively increased.

And thirdly, because the upper oil seal seat and the first single-row cylindrical roller bearing and the lower oil seal seat and the deep groove ball bearing are axially fixed through the jaw, the balance of the whole bearing is further achieved, the edge abrasion of the bearing can be effectively reduced, and the service life of the bearing is prolonged.

Drawings

Fig. 1 is a schematic structural view of a bearing barrel for a sand making machine according to the present invention.

Fig. 2 shows an enlarged view of the upper end of the bearing barrel of the sand maker provided by the present invention.

Fig. 3 shows the enlarged view of the lower end of the bearing barrel for the sand making machine provided by the utility model.

Description of reference numerals:

1: main bearing column, 2: upper extension ring, 3: lower outer rim, 4: a fixed cylinder, 5: lower belt pulley, 6: oil filler hole, 7: sealing cover, 8: seal ring, 9: taper sleeve, 10: jaw, 11: a key.

2-1: oiling a sealing seat, 2-2: a first single row cylindrical roller bearing.

3-1: lower oil seal seat, 3-2: second single-row cylindrical roller bearing, 3-3: provided is a deep groove ball bearing.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

As shown in fig. 1, a sand making machine bearing barrel comprises a main bearing column 1, an upper outer extension ring 2, a lower outer rim 3, a fixed cylinder 4 and a lower belt pulley 5 which are assembled together, wherein the main bearing column 1 is axially fixed in the fixed cylinder 4 by the upper outer extension ring 2 and the lower outer rim 3 and is kept to rotate in the radial direction, and the lower belt pulley 5 is fixed with the bottom of the main bearing column 1; the device is characterized in that the upper extension ring 2 consists of an upper oil seal seat 2-1 and two first single-row cylindrical roller bearings 2-2, and the lower outer edge ring 3 consists of a lower oil seal seat 3-1, a deep groove ball bearing 3-3 and a second single-row cylindrical roller bearing 3-2; an oil filling hole 6 is formed in the side wall of the fixed cylinder 4, and an outlet of the oil filling hole 6 extends to the top of the fixed cylinder 4.

Compared with the prior art, the sand making machine bearing barrel provided by the embodiment has the advantages that the two bearings are respectively arranged on the upper outer extension ring 2 and the lower outer edge ring 3, so that the main bearing column 1 can run more stably in the fixed barrel 4; simultaneously, offer the oil filler point through the lateral wall at a fixed section of thick bamboo 4 to extend the export of oil filler point to the top of a fixed section of thick bamboo 4, not only conveniently mend oil to a fixed section of thick bamboo 4, avoid revealing of lubricating oil moreover.

In this embodiment, it is preferable that the baffles of the first single-row cylindrical roller bearing 2-2 and the second single-row cylindrical roller bearing 3-2 are each inclined outward at an angle greater than 90 °; therefore, the single-row cylindrical roller bearing has low operation noise and temperature rise, reduces the maintenance cost and effectively improves the operation speed of the main bearing column.

Further, preferably, the upper oil seal seat 2-1 and the first single-row cylindrical roller bearing 2-2, and the lower oil seal seat 3-1 and the deep groove ball bearing 3-3 are axially fixed through a jaw 10, so that the balance of the whole bearing is achieved, the edge wear of the bearing is reduced, and the service life of the bearing is prolonged.

As shown in fig. 2, a sealing cover 7 is preferably disposed between the oil seal of the upper oil seal holder 2-1 and the main bearing column 1, and a sealing ring 8 is preferably disposed between the upper oil seal holder 2-1 and the fixed cylinder 4; so as to further improve the sealing effect of the oil seal seat 2-1. Similarly, a seal cover and a seal ring are provided between the lower oil seal holder 3-1 and the main bearing column 1 and the stationary cylinder 4, respectively.

As shown in fig. 3, a taper sleeve 9 is fixed at the bottom of the main bearing column 1, and the lower pulley 5 is fixed to the taper sleeve 9; a flange for separating the lower belt pulley 5 from the fixed cylinder 4 is arranged on the taper sleeve 9; therefore, the lower belt pulley 5 can be effectively prevented from rubbing the fixed cylinder 4 during operation, and the lower extension ring 3 can be conveniently installed and fixed.

In this embodiment, the taper sleeve 9 and the main bearing column 1 are preferably fixed by a key 11, so that the installation and the fixation are convenient and fast.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (6)

1. A sand making machine bearing barrel comprises a main bearing column, an upper extension ring, a lower outer edge ring, a fixed cylinder and a lower belt pulley which are assembled together, wherein the main bearing column is axially fixed in the fixed cylinder by the upper extension ring and the lower outer edge ring and is kept to rotate in the radial direction, and the lower belt pulley is fixed with the bottom of the main bearing column; the device is characterized in that the upper extension ring consists of an upper oil seal seat and two first single-row cylindrical roller bearings, and the lower outer edge ring consists of a lower oil seal seat, a deep groove ball bearing and a second single-row cylindrical roller bearing; an oil filling hole is formed in the side wall of the fixed cylinder, and an outlet of the oil filling hole extends to the top of the fixed cylinder.

2. A sand maker bearing barrel according to claim 1 wherein the baffles of the first and second single row cylindrical roller bearings are each inclined outwardly at an angle of greater than 90 °.

3. The sand maker bearing barrel of claim 1 wherein the upper oil seal and the first single row cylindrical roller bearing and the lower oil seal and the deep groove ball bearing are axially fixed by a jaw.

4. The sand maker bearing barrel as claimed in claim 1, wherein a sealing cover is provided between the oil seal of the upper oil seal holder and the lower oil seal holder and the main bearing post, and a sealing ring is provided between the upper oil seal holder and the fixed cylinder and between the lower oil seal holder and the fixed cylinder.

5. The sand maker bearing barrel as claimed in claim 1, wherein a taper sleeve is fixed to a bottom of the main bearing column, and the lower pulley is fixed to the taper sleeve; and a flanging for separating the lower belt pulley from the fixed cylinder is arranged on the taper sleeve.

6. A sand maker bearing barrel according to claim 5 wherein the cone sleeve is secured to the main bearing post by a key.

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