CN218118382U - Auxiliary tool for assembling cylindrical roller bearing - Google Patents

Abstract

The utility model belongs to the technical field of antifriction bearing assembly, specifically be relate to a cylindrical roller bearing assembles and uses auxiliary fixtures, include: the mold comprises a mold body and a plurality of isolation components arranged in the mold body; the die body is annular, the isolation components are uniformly distributed along the circumferential direction of the die body, and each isolation component is respectively communicated with the upper end surface and the lower end surface of the die body; the cross section of the isolation column is similar to that of the retainer beam, and the roller can be easily placed into the outer raceway from inside; the utility model makes up the technical defects of the original manual roller-equalizing process in the bearing outer component mounting process, such as complexity and low assembly efficiency, improves the manual operation, realizes the roller-equalizing in the outer raceway by means of the matching of the mold and the isolation component, and ensures the accuracy of the bearing assembly; the assembly efficiency is improved on the whole, and the production progress is ensured.

Description

Auxiliary tool for assembling cylindrical roller bearing

Technical Field

The utility model belongs to the technical field of antifriction bearing assembly, specifically be relate to an auxiliary fixtures is used in cylindrical roller bearing assembly, be applied to the cylindrical roller bearing assembly of brass holder.

Background

Common structures of the cylindrical roller bearing are N, NJ and NU types, wherein an outer ring of the NJ type structure has double flanges, and an inner ring of the NJ type structure has single flanges; the NU type outer ring has double flanges, and the inner ring has no flange; the outer ring, the retainer and the rollers form a bearing outer assembly, and the inner ring and the outer assembly can be separated. When assembling the bearing, the rollers, the retainer and the outer ring need to be assembled firstly, and then the outer assembly is integrated in a riveting mode. In the assembling process, the rollers are manually placed into the outer ring channel in the traditional mode, the rollers are stirred by hands to be uniformly placed, and then the retainer seat is placed into gaps among the rollers, so that the assembling purpose is achieved, and the subsequent riveting assembly of the outer assembly is facilitated. However, in the process of equally dividing the rollers, the manual adjustment process is complicated, the positions of the assembled parts need to be adjusted repeatedly according to the assembling condition, the assembling efficiency is low, and the hands are easily injured after long-time work.

Disclosure of Invention

In view of the technical problem that exists when the above-mentioned bearing assembly is difficult to overcome, the utility model aims at providing a cylindrical roller bearing assembly is with auxiliary fixtures, this auxiliary fixtures improvement manual work improves assembly efficiency, guarantees the production progress.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a cylindrical roller bearing assembly is with auxiliary fixtures, includes: the mold comprises a mold body and a plurality of isolation components arranged in the mold body; the die body is annular, the isolation components are uniformly distributed along the circumferential direction of the die body, and each isolation component is respectively communicated with the upper end surface and the lower end surface of the die body;

further, each isolation component is connected in the die body in a spiral manner, so that the isolation components are fixed in the die body;

furthermore, the die is provided with a corresponding number of connecting holes matched with the plurality of isolation components;

furthermore, the inner wall of the connecting hole is provided with a gradually narrowed step structure from the lower end surface direction to the upper end surface direction of the die body;

furthermore, the inner wall of the connecting hole comprises a threaded section and a smooth section, and the isolation assembly is connected with the threaded section of the connecting hole of the die;

furthermore, the lower bottom of the isolation assembly is flush with the lower end face of the die body, and the upper top of the isolation assembly extends to the outside of the upper end face of the die body to form a certain extending part;

furthermore, the isolation assembly comprises a base, a spring and an isolation column; the upper end face of the base is connected with one end of a spring, the other end of the spring is connected to the lower end face of the isolation column, and the top end of the isolation column extends out of the upper end face of the die body to form a certain extending part; the connecting hole matched with the outer diameter of the base is a threaded section of the connecting hole, the upper part of the threaded section is a smooth section, the base is matched and connected with the threaded section of the connecting hole, and the isolating column is in contact with the smooth section of the connecting hole and moves up and down in the connecting hole;

furthermore, a convex part is arranged at the center of the upper end surface of the die body in the direction of the outer diameter, a boss is arranged at the position, close to the outer edge, of the upper end surface of the die body, and a bearing ring installation groove is formed between the convex part at the center of the upper end surface of the die body and the boss at the outer edge; when the die is used, the bearing outer ring is placed in the mounting groove of the die body, so that the outer diameter of the bearing outer ring is in clearance fit with the inner wall of the boss, and the isolating columns uniformly distributed on the die body are ensured to be concentric with the bearing outer ring;

furthermore, the height of the protruding part at the center of the upper end surface of the die body is the same as that of the boss at the outer edge position, and the heights of the protruding part and the boss are set by the width of the flange of the bearing outer ring, so that the inner diameter surface of the flange is flush with the upper surface of the protruding part;

furthermore, a plurality of bosses are arranged at the outer edge of the die body, and are uniformly arranged along the circumference of the die body;

specifically, the number of the bosses is four, and the included angle of the center line between every two adjacent bosses is 90 degrees.

Furthermore, a gap is formed between every two adjacent bosses on the die body, and the gap forms a bearing assembly disassembling area, so that the assembly can be conveniently taken out of the die.

Furthermore, the isolation assembly is positioned in a bearing ring installation groove area on the die body, the bearing ring is placed in the installation groove, the top of the isolation column of the isolation assembly is provided with a retainer, each retainer beam of the retainer seat corresponds to the top surface of the isolation column, the isolation column extends out of the bearing ring on the upper part of the die body, and the isolation columns form corresponding roller sharing areas in a bearing ring raceway so as to realize the function of sharing the rollers; the complexity of manual adjustment is avoided, and the purposes of equally dividing the rollers and improving the assembly efficiency are achieved.

Furthermore, the cross section of the isolation column is similar to that of the retainer beam, and the roller can be easily placed into the outer raceway from inside.

The utility model provides a holder is brass holder, including holder seat, holder lid, one side of holder seat is a plurality of holder roof beams, and the holder is covered and is equipped with the connecting hole corresponding to a plurality of holder roof beam positions, and the holder roof beam links together through the connecting piece in can inserting the connecting hole of holder lid.

The connection mode of the retainer base and the retainer cover is generally a riveting mode in the prior art.

Adopt the utility model discloses an above-mentioned cylindrical roller bearing assembly is with auxiliary fixtures's application method is:

(1) Inserting a plurality of isolation components from the lower end face of the die body and screwing the isolation components in the connecting holes of the die body through the base of the isolation components in a spiral mode to enable the isolation components to be fixed in the die body;

(2) The bearing outer ring is horizontally placed on the upper end face of the die body, so that the outer diameter of the bearing outer ring is in clearance fit with the inner diameter of a boss at the outer edge of the die body, and the center of the bearing outer ring is ensured to be concentric with the center of the die body;

(3) The tops of the isolating columns extend to the upper end face of the die body, a plurality of roller uniform distribution areas are formed in the bearing outer ring raceway, and the rollers are placed on the die body and are pushed into the bearing outer ring raceway from the center to the radial direction one by one;

(4) Pressing the retainer base downwards from the upper part of the bearing outer ring to enable a plurality of retainer beams of the retainer base to correspond to the isolation columns of a plurality of isolation components on the die body one by one;

(5) After the retainer seat is pressed down into the bearing outer ring, the assembly is taken down from the die body;

the assembly in the step (5) refers to a bearing outer ring, a retainer seat and a plurality of rollers, and after the assembly is taken out, the spring in the isolation assembly recovers elastic deformation;

(6) And (5) pressing the combined piece completed in the step (5) on a retainer cover to synthesize an outer assembly, and completing the installation of the bearing outer assembly.

The technical scheme of the utility model produced technological effect is:

the technical defects of complexity and low assembly efficiency of a manual roller equalizing process in the installation process of the original bearing outer assembly are overcome, the tool improves manual operation, the roller is equalized in the outer raceway by means of the matching of a die and an isolation assembly, and the accuracy of bearing assembly is ensured; the assembly efficiency is improved on the whole, and the production progress is ensured.

Drawings

Fig. 1 is the utility model relates to an auxiliary fixtures structure chart is used in cylindrical roller bearing assembly.

Fig. 2 is the utility model relates to a cylindrical roller bearing assembles with auxiliary fixtures's top view.

Fig. 3 is a state diagram of the assembling sequence of the cylindrical roller bearing of the present invention.

In the drawing, 1, a die body, 2, an isolation component, 3, a threaded section of the inner wall of a connecting hole, 2.1, a base, 2.2, a spring, 2.3, an isolation column, 1.1, a bulge, 1.2, a boss, 1.3, a bearing ring installation groove, 1.4, a bearing assembly disassembly area, 4, a retainer seat, 5, a retainer cover, 6, a bearing outer ring, 7 and a roller.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

An auxiliary tool for assembling a cylindrical roller bearing as shown in fig. 1 to 3 includes: the mold comprises a mold body 1 and a plurality of isolation components 2 arranged in the mold body 1; the die body 1 is annular, the isolation components 2 are uniformly distributed along the circumferential direction of the die body 1, and each isolation component 2 respectively penetrates through the upper end face and the lower end face of the die body 1;

furthermore, the die body 1 is provided with a corresponding number of connecting holes matched with the plurality of isolation components 2;

furthermore, a gradually narrowing step structure is arranged on the inner wall of the connecting hole from the lower end surface direction to the upper end surface direction of the die body 1;

further, the inner wall of the connecting hole comprises a threaded section 3 and a smooth section;

further, the lower bottom of the isolation assembly 2 is flush with the lower end face of the die body 1, and the upper top of the isolation assembly 2 extends to the outside of the upper end face of the die body 1 to form a certain extending part;

further, the isolation assembly 2 comprises a base 2.1, a spring 2.2 and an isolation column 2.3; the upper end face of the base 2.1 is connected with one end of the spring 2.2, the other end of the spring 2.2 is connected with the lower end face of the isolation column 2.3, and the top end of the isolation column 2.3 extends out of the outer part of the upper end face of the die body 1 to form a certain extension part; the connecting hole matched with the outer diameter of the base 2.1 is a threaded section 3 of the connecting hole, the upper part of the threaded section 3 is a smooth section, the base 2.1 is matched and connected with the threaded section 3 of the connecting hole, and the isolating column 2.3 is contacted with the smooth section of the connecting hole and moves up and down in the connecting hole;

further, a convex part 1.1 is arranged at the center of the upper end face of the die body 1 in the direction of the outer diameter, a boss 1.2 is arranged at the position, close to the outer edge, of the upper end face of the die body 1, and a bearing ring installation groove 1.3 is formed between the convex part 1.1 at the center of the upper end face of the die body 1 and the boss 1.2 at the outer edge; when the bearing outer ring is used, the bearing outer ring is placed in the mounting groove 1.3 of the die body 1, so that the outer diameter of the bearing outer ring is in clearance fit with the inner wall of the boss 1.2.

In the embodiment, four bosses 1.2 are arranged at the outer edge of the die body 1, and the four bosses 1.2 are uniformly arranged along the circumference of the die body 1; namely, the included angle of the center lines between every two adjacent bosses 1.2 is 90 degrees.

Furthermore, a gap is arranged between every two adjacent bosses 1.2 on the die body 1, and the gap forms a bearing assembly disassembly area 1.4;

the isolation assembly 2 is located in the region of a bearing ring installation groove 1.3 on the die body 1, the bearing ring is placed in the installation groove 1.3, a retainer is placed at the top of an isolation column 2.3 of the isolation assembly 2, so that each retainer beam of a retainer seat 4 corresponds to the upper top surface of the isolation column 2.3, the isolation column 2.3 extends out of the bearing ring on the upper portion of the die body 1, and a plurality of isolation columns 2.3 form corresponding roller equal-sharing regions in a bearing ring raceway, so that the roller equal-sharing function is realized.

The utility model provides a holder is brass holder, including holder seat 4, holder lid 5, one side of holder seat 4 is a plurality of holder roof beams, is equipped with the connecting hole corresponding to a plurality of holder roof beam positions on the holder lid 5, and the holder roof beam links together through the connecting piece in can inserting the connecting hole of holder lid 5.

The use method of the auxiliary tool for assembling the cylindrical roller bearing in the embodiment comprises the following steps:

(1) Inserting a plurality of isolation components 2 from the lower end face of the die body 1 and screwing the isolation components 2 into connecting holes of the die body 1 through bases 2.1 of the isolation components 2 so as to fix the isolation components 2 in the die body 1;

(2) Horizontally placing the bearing outer ring 6 on the upper end surface of the die body 1, and enabling the outer diameter of the bearing outer ring 6 to be in clearance fit with the inner diameter of a boss 1.2 at the outer edge of the die body 1 so as to ensure that the center of the bearing outer ring 6 is concentric with the center of the die body 1;

(3) The tops of the isolation columns 2.3 extend to the upper end face of the die body 1, a plurality of roller equal-dividing areas are formed in the raceway of the bearing outer ring 6, and the rollers are placed on the die body 1 and are pushed into the raceway of the bearing outer ring 6 from the center to the radial direction one by one;

(4) Pressing the retainer seat 4 from the upper part of the bearing outer ring 6 to enable a plurality of retainer beams of the retainer seat 4 to correspond to the isolation columns 2.3 of a plurality of isolation components on the die body 1 one by one; in the process of pressing down the retainer seat 4, the spring 2.2 in the isolation assembly is in a compressed state;

(5) After the holder seat 4 is pressed down into the bearing outer ring 6, the assembly is taken down from the die body 1;

the assembly in the step (5) refers to a bearing outer ring 6, a retainer seat 4 and a plurality of rollers, and after the assembly is taken out, a spring 2.2 in the isolation assembly recovers elastic deformation;

(1) And (5) pressing the assembly completed in the step (5) on a retainer cover 5 to synthesize an outer assembly, and completing the installation of the bearing outer assembly.

The utility model discloses an auxiliary fixtures is used in cylindrical roller bearing assembly makes things convenient for the equipment of outer subassembly more, for current assembly mode improvement manual work, improves assembly efficiency, guarantees the production progress.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (9)

1. The utility model provides a cylindrical roller bearing assembly is with auxiliary fixtures which characterized in that includes: the die comprises a die body and a plurality of isolation components arranged in the die body; the mould body is ring shape, and a plurality of isolation subassemblies are evenly distributed along mould body circumference and every isolation subassembly equally divide and link up respectively in the up end and the lower terminal surface of mould body.

2. The auxiliary tool for assembling the cylindrical roller bearing according to claim 1, wherein: each insulation assembly is connected in a helical manner in the die body.

3. The auxiliary tool for assembling the cylindrical roller bearing according to claim 1, wherein: the die body is provided with a corresponding number of connecting holes matched with the plurality of isolating components.

4. The auxiliary tool for assembling the cylindrical roller bearing as claimed in claim 3, wherein: the inner wall of the connecting hole is provided with a gradually narrowing step structure from the lower end face direction to the upper end face direction of the die body.

5. The auxiliary tool for assembling the cylindrical roller bearing as claimed in claim 4, wherein: the inner wall of the connecting hole comprises a threaded section and a smooth section, and the isolating component is connected with the threaded section of the connecting hole of the die.

6. The auxiliary tool for assembling the cylindrical roller bearing according to claim 1, wherein: the lower bottom of the isolation assembly is flush with the lower end face of the die body, and the upper top of the isolation assembly extends to the outside of the upper end face of the die body to form an extension part.

7. The auxiliary tool for assembling the cylindrical roller bearing as claimed in claim 5, wherein: the isolation assembly comprises a base, a spring and an isolation column; the upper end face of the base is connected with one end of a spring, the other end of the spring is connected to the lower end face of the isolation column, and the top end of the isolation column extends out of the upper end face of the die body to form an extension part; the connecting hole matched with the outer diameter of the base is a threaded section of the connecting hole, the upper part of the threaded section is a smooth section, the base is matched and connected with the threaded section of the connecting hole, and the isolating column is in contact with the smooth section of the connecting hole and moves up and down in the connecting hole.

8. The auxiliary tool for assembling the cylindrical roller bearing as claimed in claim 5, wherein: a convex part is arranged at the center of the upper end surface of the die body in the direction of the outer diameter, a boss is arranged at the position, close to the outer edge, of the upper end surface of the die body, and a bearing ring installation groove is formed between the convex part at the center of the upper end surface of the die body and the boss at the outer edge; when the bearing outer ring is used, the bearing outer ring is placed in the mounting groove of the die body, so that the outer diameter of the bearing outer ring is in clearance fit with the inner wall of the boss.

9. The auxiliary tool for assembling the cylindrical roller bearing according to claim 8, wherein: the isolation assembly is located in the bearing ring installation groove area on the die body, the bearing ring is placed in the installation groove, the top of the isolation column of the isolation assembly is provided with a retainer, each retainer beam of the retainer seat corresponds to the upper top surface of the isolation column, the isolation column extends out of the bearing ring on the upper portion of the die body, and the isolation columns form corresponding roller equal-sharing areas in the bearing ring roller path.

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