CN215370632U

CN215370632U - Cylindrical roller bearing matched with main shaft of high-rotating-speed cold molding machine

Info

Publication number: CN215370632U
Application number: CN202121313474.3U
Authority: CN
Inventors: 王继伟; 徐风霞; 马振峰
Original assignee: Shandong Gongyi Bearing Manufacturing Co ltd
Current assignee: Shandong Gongyi Bearing Manufacturing Co ltd
Priority date: 2021-06-12
Filing date: 2021-06-12
Publication date: 2021-12-31
Anticipated expiration: 2031-06-12

Abstract

The utility model discloses a cylindrical roller bearing matched with a main shaft of a high-rotation-speed cold molding machine, which comprises an outer ring, wherein an inner ring is movably arranged in the inner side direction of the outer ring, a fixed sleeve is fixedly arranged at the position of an upper edge opening of the outer ring, a stud is arranged on the outer surface of the fixed sleeve in a threaded manner, a through hole is formed in the position, close to the center, of the upper surface of the outer ring, the outer side of the through hole is fixedly arranged on the upper surface of the outer ring, a first screw hole is formed in the inner side of the lower sleeve, on the upper surface of the outer ring, a second screw hole is formed in the position, close to the edge, of the upper surface of the fixed sleeve, and an upper sleeve is fixedly arranged on the outer side of the second screw hole, on the lower surface of the fixed sleeve. The cylindrical roller bearing matched with the main shaft of the high-rotation-speed cold molding machine can reduce the time cost of equipment processing, improve the strength of the equipment, avoid the falling of an inner ring of the equipment due to stress, and solve the problem that the deformation is easily caused by uneven stress between a roller and a fixed sleeve.

Description

Cylindrical roller bearing matched with main shaft of high-rotating-speed cold molding machine

Technical Field

The utility model relates to the field of cylindrical roller bearings, in particular to a cylindrical roller bearing matched with a main shaft of a high-speed cold molding machine.

Background

The internal structure of the cylindrical roller bearing adopts rollers which are arranged in parallel, and space retainers or isolating blocks are arranged between the rollers, so that the inclination of the rollers or the mutual friction between the rollers can be prevented, and the increase of the rotating torque is effectively prevented; there is certain drawback in current cylindrical roller bearing when using, like current cylindrical roller bearing, keep the connected mode that the department adopted the block usually with the outer lane, ring channel need be seted up to this kind of connected mode in processing, the time cost of processing part has been increased, and this kind of connected mode is durable inadequately, drop when receiving axial force easily, equipment when receiving axial force in addition, it is not stable enough to rotate, lead to the atress between roller and the holder uneven, serious can lead to roller and keep the ware to warp.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a cylindrical roller bearing matched with a main shaft of a high-speed cold molding machine, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a cylindrical roller bearing matched with a main shaft of a high-speed cold plastic molding machine comprises an outer ring, wherein an inner ring is movably arranged in the inner side direction of the outer ring, a fixed sleeve is fixedly arranged at the position of an upper edge port of the outer ring, a stud is installed on the outer surface of the fixed sleeve in a threaded manner, a through hole is formed in the upper surface of the outer ring, the outer side of the through hole is positioned on the upper surface of the outer ring, a lower sleeve is fixedly arranged on the outer surface of the outer ring, a first screw hole is formed in the inner side of the lower sleeve, a second screw hole is formed in the upper surface of the fixed sleeve, an upper sleeve is fixedly arranged on the outer side of the second screw hole and positioned on the lower surface of the fixed sleeve, a lower cylindrical roller is nested on the outer surface of the lower sleeve, an upper cylindrical roller is nested on the outer surface of the upper sleeve, a retainer ring is fixedly arranged at one end of the upper cylindrical roller, a bowl-shaped hole is formed in the upper surface of the retainer ring, which is positioned near the central position, a bowl-shaped gasket is arranged in the bowl-shaped hole.

Preferably, the lower sleeve corresponds to the upper sleeve one to one, and the first screw hole corresponds to the second screw hole one to one.

Preferably, the lower cylindrical roller is slidably connected to the lower sleeve, and the upper cylindrical roller is slidably connected to the upper sleeve.

Preferably, the lower cylindrical roller and the upper cylindrical roller have the same structure.

Preferably, the double-screw bolt passes bowl shape gasket, the quantity of bowl shape gasket is two, is close to fixed cover position bowl shape gasket upper surface and fixed cover contact are close to the outer lane position bowl shape gasket lower surface and outer lane contact.

Preferably, the stud is in threaded connection with the first screw hole, the second screw hole, the upper sleeve and the lower sleeve.

Compared with the prior art, the utility model has the following beneficial effects:

in the utility model, the stud and the fixing sleeve are arranged, the stud is used for connecting the fixing sleeve and the outer ring to replace the traditional clamping connection mode, the lower cylindrical roller and the upper cylindrical roller are respectively sleeved on the appointed lower sleeve and upper sleeve, at the moment, the stud is rotated to fix the fixing sleeve and the outer ring under the pushing of the screw thread and further fix the lower sleeve and the upper sleeve, the screw thread connection mode avoids the need of arranging an annular groove when the outer ring is processed, and the lower sleeve, the upper sleeve and the stud which are circumferentially distributed are mutually matched when the outer ring is subjected to axial force to uniformly absorb the axial force, thereby reducing the time cost of processing equipment, improving the self strength of the equipment, avoiding the inner ring of the equipment from being stressed and falling off, in addition, when the lower cylindrical roller and the upper cylindrical roller are subjected to the axial force, the bowl-shaped hole is closely contacted with the bowl-shaped gasket, and the bowl-shaped structure can uniformly share the axial force, the axial force is conducted to the lower sleeve or the upper sleeve, so that the bowl-shaped hole and the bowl-shaped gasket are prevented from deforming, and the problem that deformation is caused by uneven stress between the roller and the fixed sleeve is solved.

Drawings

FIG. 1 is a schematic view of the overall structure of a cylindrical roller bearing used with a main shaft of a high-speed cold molding machine according to the present invention;

FIG. 2 is a schematic structural diagram of an outer ring of a cylindrical roller bearing used with a main shaft of a high-speed cold molding machine according to the present invention;

FIG. 3 is a schematic view of a disassembled structure of a cylindrical roller bearing used with a main shaft of a high-speed cold molding machine according to the present invention;

FIG. 4 is a schematic view of a disassembled structure of an upper cylindrical roller of the cylindrical roller bearing matched with the main shaft of the high-speed cold molding machine.

In the figure: 1. an outer ring; 101. a through hole; 102. a first screw hole; 103. a lower sleeve; 2. an inner ring; 3. Fixing a sleeve; 301. a second screw hole; 302. an upper sleeve; 4. a stud; 5. a lower cylindrical roller; 501. an upper cylindrical roller; 502. a retainer ring; 503. a bowl-shaped hole; 504. a bowl-shaped gasket.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, a cylindrical roller bearing for matching with a main shaft of a high-speed cold molding machine comprises an outer ring 1, an inner ring 2 is movably installed in the inner side direction of the outer ring 1, a fixing sleeve 3 is fixedly installed at the position of an upper edge port of the outer ring 1, a stud 4 is installed on the outer surface of the fixing sleeve 3 in a threaded manner, a through hole 101 is formed in the upper surface of the outer ring 1 close to the center, a lower sleeve 103 is fixedly installed on the upper surface of the outer ring 1 outside the through hole 101, a first screw hole 102 is formed in the upper surface of the outer ring 1 inside the lower sleeve 103, a second screw hole 301 is formed in the upper surface of the fixing sleeve 3 close to the edge, an upper sleeve 302 is fixedly installed on the lower surface of the fixing sleeve 3 outside the second screw hole 301, a lower cylindrical roller 5 is installed on the outer surface of the lower sleeve 103 in a nested manner, an upper cylindrical roller 501 is installed on the outer surface of the upper sleeve 302 in a nested manner, a retainer ring 502 is fixedly installed at one end of the upper cylindrical roller 501, the upper surface of the retainer ring 502 is provided with a bowl-shaped hole 503 near the center, a bowl-shaped gasket 504 is arranged in the bowl-shaped hole 503, the stud 4 is adopted to connect the fixed sleeve 3 and the outer ring 1, the traditional clamping connection mode is replaced, the lower cylindrical roller 5 and the upper cylindrical roller 501 are respectively sleeved on the appointed lower sleeve 103 and the upper sleeve 302, at the moment, the stud 4 is rotated, the fixed sleeve 3 and the outer ring 1 are fixed under the pushing of the screw thread, the lower sleeve 103 and the upper sleeve 302 are further fixed, the screw thread connection mode avoids the need of forming a ring groove when the outer ring 1 is processed, the lower sleeve 103, the upper sleeve 302 and the stud 4 which are circumferentially distributed are mutually matched when the axial force is received, the axial force is uniformly absorbed, the time cost of processing the equipment is reduced, the self strength of the equipment is improved, the inner ring 2 of the equipment is prevented from falling off under the stress, in addition, when the lower cylindrical roller 5 and the upper cylindrical roller 501 are subjected to the axial force, the bowl-shaped hole 503 is closely contacted with the bowl-shaped gasket 504, and the bowl-shaped structure can uniformly distribute the axial force, and the axial force is transmitted to the lower sleeve 103 or the upper sleeve 302, so that the bowl-shaped hole 503 and the bowl-shaped gasket 504 are ensured not to deform, and the problem that the deformation is easily caused by uneven stress between the roller and the fixed sleeve 3 is solved;

the lower sleeve 103 corresponds to the upper sleeve 302 one by one, and the first screw hole 102 corresponds to the second screw hole 301 one by one; the lower cylindrical roller 5 is connected with the lower sleeve 103 in a sliding way, and the upper cylindrical roller 501 is connected with the upper sleeve 302 in a sliding way; the lower cylindrical roller 5 and the upper cylindrical roller 501 have the same structure; the stud 4 penetrates through the bowl-shaped gaskets 504, the number of the bowl-shaped gaskets 504 is two, the upper surface of the bowl-shaped gasket 504 close to the position of the fixing sleeve 3 is contacted with the fixing sleeve 3, and the lower surface of the bowl-shaped gasket 504 close to the position of the outer ring 1 is contacted with the outer ring 1; the stud 4 is in threaded connection with the first screw hole 102, the second screw hole 301, the upper sleeve 302 and the lower sleeve 103.

It should be noted that, the utility model is a cylindrical roller bearing matched with a main shaft of a high-speed cold molding machine, when in use, the utility model has the same use mode as the existing cylindrical roller bearing, a stud 4 is adopted to connect a fixed sleeve 3 and an outer ring 1, the traditional clamping connection mode is replaced, a lower cylindrical roller 5 and an upper cylindrical roller 501 are respectively sleeved on a designated lower sleeve 103 and an upper sleeve 302, at the moment, the stud 4 is rotated, the fixed sleeve 3 and the outer ring 1 are fixed under the push of screw threads, the lower sleeve 103 and the upper sleeve 302 are further fixed, the screw thread connection mode avoids the need of arranging an annular groove when the outer ring 1 is processed, and the lower sleeve 103, the upper sleeve 302 and the stud 4 which are circumferentially distributed are mutually matched when the axial force is applied, so as to uniformly absorb the axial force, thereby reducing the time cost of processing of the equipment, improving the strength of the equipment and avoiding the inner ring 2 from falling off under the stress, in addition, when the lower cylindrical roller 5 and the upper cylindrical roller 501 are subjected to axial force, the bowl-shaped hole 503 is in close contact with the bowl-shaped gasket 504, and the bowl-shaped structure can uniformly share the axial force, so that the axial force is transmitted to the lower sleeve 103 or the upper sleeve 302, the bowl-shaped hole 503 and the bowl-shaped gasket 504 are prevented from deforming, and the problem that the deformation is caused by uneven stress between the rollers and the fixed sleeve 3 is solved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cylinder roller bearing is used in cooperation of high rotational speed cold plastic owner axle which characterized in that: including outer lane (1), outer lane (1) inboard direction movable mounting has inner circle (2), edge mouth position fixed mounting has fixed cover (3) in outer lane (1), fixed cover (3) surface thread installs double-screw bolt (4), outer lane (1) upper surface is close to central point and puts and has seted up through-hole (101), through-hole (101) outside is located outer lane (1) upper surface fixed mounting and has lower sleeve (103), lower sleeve (103) inboard is located outer lane (1) upper surface and has seted up screw (102), fixed cover (3) upper surface is close to the border position and has seted up No. two screw (301), No. two screw (301) outsides are located fixed cover (3) lower surface fixed mounting and have last sleeve (302), lower sleeve (103) surface nested mounting has lower cylindrical roller (5), it installs cylindrical roller (501) to go up sleeve (302) surface nested, go up cylindrical roller (501) one end fixed mounting have retaining ring (502), retaining ring (502) upper surface is close to central point and has seted up bowl shape hole (503), bowl shape hole (503) inside is provided with bowl shape gasket (504).

2. The cylindrical roller bearing matched with the main shaft of the high-speed cold molding machine according to claim 1, is characterized in that: the lower sleeve (103) corresponds to the upper sleeve (302) one by one, and the first screw hole (102) corresponds to the second screw hole (301) one by one.

3. The cylindrical roller bearing matched with the main shaft of the high-speed cold molding machine according to claim 2, is characterized in that: the lower cylindrical roller (5) is connected with the lower sleeve (103) in a sliding mode, and the upper cylindrical roller (501) is connected with the upper sleeve (302) in a sliding mode.

4. The cylindrical roller bearing matched with the main shaft of the high-speed cold molding machine according to claim 3, is characterized in that: the lower cylindrical roller (5) and the upper cylindrical roller (501) have the same structure.

5. The cylindrical roller bearing matched with the main shaft of the high-speed cold molding machine according to claim 4, is characterized in that: stud (4) pass bowl shape gasket (504), the quantity of bowl shape gasket (504) is two, is close to fixed cover (3) position bowl shape gasket (504) upper surface and fixed cover (3) contact are close to outer lane (1) position bowl shape gasket (504) lower surface and outer lane (1) contact.

6. The cylindrical roller bearing matched with the main shaft of the high-speed cold molding machine according to claim 5, is characterized in that: the stud (4) is in threaded connection with the first screw hole (102), the second screw hole (301), the upper sleeve (302) and the lower sleeve (103).