CN214499765U

CN214499765U - Stamping bearing with locking notch

Info

Publication number: CN214499765U
Application number: CN202023344804.3U
Authority: CN
Inventors: 徐小群
Original assignee: Ningbo Sannai Machinery Co ltd
Current assignee: Ningbo Sannai Machinery Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-26
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a take stamping bearing of fore shaft, including inner circle and outer lane, locate the rolling subassembly between inner circle and the outer lane, still be equipped with the retainer subassembly between inner circle and the outer lane, still include the punching press seat, be equipped with the cavity that supplies the outer lane to put into on the punching press seat, terminal surface, outer wall closely cooperate under cavity inner wall and the outer lane, just the top of punching press seat is equipped with the fore shaft that is used for retraining bearing axial float, the fore shaft bottom is along radially stretching out the up end in the outer lane, increases the inseparable and stability of the complex of punching press seat and bearing, reduces the noise that work produced.

Description

Stamping bearing with locking notch

Technical Field

The utility model relates to a bearing equipment technical field, concretely relates to take stamping bearing of fore shaft.

Background

The stamping bearing has wide application, can bear radial load and bidirectional axial load, and generally comprises an outer ring, an inner ring, a retainer and a stamping body, wherein the stamping body is a core element of the stamping bearing and mainly provides a mounting position for the stamping bearing to increase the structural strength.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a take stamping bearing of fore shaft for stamping bearing's structure is safe and reliable more.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a take stamping bearing of fore shaft, includes inner circle and outer lane, locates the roll subassembly between inner circle and the outer lane, still be equipped with the retainer subassembly between inner circle and the outer lane, still include the punching press seat, be equipped with the cavity that supplies the outer lane to put into on the punching press seat, terminal surface, outer wall closely cooperate under cavity inner wall and the outer lane, just the top of punching press seat is equipped with the fore shaft that is used for retraining bearing axial float, the fore shaft bottom is along radially stretching out the up end at the outer lane.

Further, the locking notch is arranged at intervals along the circumferential direction.

Further, the stamping seat at least comprises a base plate which is connected with the end part of the bearing and a surrounding edge which is tightly matched on the outer wall of the outer ring, and a stamping part is arranged at the top of the surrounding edge and has a tendency of approaching towards the center of the bearing.

Further, the locking notch is formed on the stamped part by extrusion molding.

Further, the punching part is arranged at the arc-shaped end part. Through the improvement, less materials exist above the stamping part, and more materials are arranged below the stamping part, so that the locking notch can be formed better during stamping, and the materials at the bottom of the locking notch are extruded at the upper end of the outer ring.

As an alternative, the bottom of the locking notch abuts against the end of the outer ring to increase the degree of fit between the punch holder and the outer ring.

Furthermore, the two ends of the inner ring extend out of the stamping seat, an inner hole of the inner ring is provided with an inner hexagonal hole, a through hole for the inner ring to pass through is formed in the chassis, an upper retainer and a lower retainer are further arranged between the inner ring and the outer ring, an outer ring of the lower retainer abuts against between the chassis and the outer ring, and an inner ring of the lower retainer abuts against the inner ring.

Furthermore, the top of the surrounding edge extends outwards along the radial direction to form a stretching part, the thickness of the stretching part is equal to that of the stamping part, the stretching part extends towards the chassis along the axial direction to form a forming part, and the forming part extends outwards along the radial direction to form a flange.

Further, the end face of the bottom end of the stamping part is higher than the end face of the outer ring.

The outer diameter of the inner ring is 20.4mm, the outer diameter of the stretching portion is at least 45mm, the wall thickness of the stamping seat is at least 1.7mm, one side of the stamping portion is an arc angle with the radius of 1mm, the other side of the stamping portion is an arc angle with the radius of 0.5mm, so that the maximum wall thickness of the stamping portion reaches 2mm, the outer diameter of the outer ring is 31.98mm, and the inner diameter of the stamping portion is at least 32 mm.

Compared with the prior art, the utility model has the advantages of it is following and beneficial effect: the bearing outer ring is tightly matched with the chassis of the stamping seat to realize the radial position limitation of the bearing outer ring in the cavity of the stamping seat, and the outer ring is abutted and fixed at the vertical connecting end of the surrounding edge and the chassis to provide enough structural strength for the stamping seat to support the outer ring;

the fore shaft passes through the extrusion and forms in punching press portion, the perpendicular link of punching press portion bit in surrounding edge and tensile portion, through raising tensile portion position, outside and inboard shaping arc angle at surrounding edge and tensile portion, thereby increase the account for of the shaping position of fore shaft on the punching press portion and compare, the structural strength who increases the fore shaft simultaneously, extrude the material that lies in the fore shaft position in the punching press portion to the outer lane upper end, thereby it is spacing to realize that the bearing is along axial, the punching press portion provides the secondary spacing to the outer lane of bearing, thereby improve the bearing reliability, increase the inseparable and the stability of the complex of punching press seat and bearing, reduce the noise that the work produced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the present invention;

in the figure: 1. an inner ring; 2. an outer ring; 3. a rolling component; 4. punching a seat; 4.1, locking the notch; 4.2, a chassis; 4.3, surrounding edges; 4.4, a stamping part; 4.5, through holes; 4.6, a stretching part; 4.7, a forming part; 4.8, blocking edges; 5. an upper retainer; 6. a lower retainer;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding, and are not used to define any direction or order of limitation.

As shown in fig. 1-2, a punching bearing with a lock notch comprises an inner ring 1, an outer ring 2, a rolling assembly 3 arranged between the inner ring 1 and the outer ring 2, a retainer assembly further arranged between the inner ring 1 and the outer ring 2, and a punching seat 4, wherein a cavity for placing the outer ring 2 is arranged on the punching seat 4, the inner wall of the cavity is tightly matched with the lower end surface and the outer wall of the outer ring 2, the top end of the punching seat 4 is provided with a lock notch 4.1 for restraining axial movement of the bearing, and the bottom of the lock notch 4.1 radially extends out of the upper end surface of the outer ring 2.

Specifically, the locking notches 4.1 are arranged at intervals along the circumferential direction, and the number of the locking notches 4.1 is 8.

Specifically, the stamping seat 4 at least comprises a base plate 4.2 which is connected with the end part of the bearing and a surrounding edge 4.3 which is tightly matched on the outer wall of the outer ring 2, a stamping part 4.4 is arranged at the top of the surrounding edge 4.3, and the stamping part 4.4 has a tendency of approaching towards the center of the bearing.

Specifically, the locking notch 4.1 is formed on the stamped part 4.4 by extrusion molding.

Specifically, punching press portion 4.4 is the arc tip setting for there is less material in punching press portion 4.4's relative top, and the relative below material of punching press portion 4.4 is more, thereby can be better when forming fore shaft 4.1 when the punching press, makes the material of fore shaft 4.1 bottom extruded in the upper end of outer lane 2.

As an alternative, the bottom of the locking notch 4.1 abuts against the end of the outer ring 2 to increase the degree of engagement of the punch holder 4 with the outer ring 2.

Specifically, 1 both ends of inner circle are stretched out punching press seat 4, just 1 hole of inner circle is hexagon socket setting, be equipped with on the chassis 4.2 and supply the through-hole 4.5 that inner circle 1 passed, still be equipped with between inner circle 1 and the outer lane 2 holder 5 and lower holder 6, the outer loop butt of lower holder 6 is in between chassis 4.2 and the outer lane 2, just the inner ring and the inner circle 1 counterbalance of lower holder 6.

Specifically, the top of the surrounding edge 4.3 is provided with a stretching part 4.6 extending outwards in the radial direction, the thickness of the stretching part 4.6 is equal to that of the punching part 4.4, the stretching part 4.6 is provided with a forming part 4.7 extending towards the chassis 4.2 in the axial direction, the forming part 4.7 is provided with a blocking edge 4.8 extending outwards in the radial direction, an arc angle is formed between the stretching part 4.6 and the forming part 4.7, the stretching part 4.6 and the inner side and the outer layer of the surrounding edge 4.3 are formed with an arc angle, and the punching part 4.4 is positioned at the vertical connecting end of the stretching part 4.6 and the surrounding edge 4.3, namely at the position of the arc angle.

Specifically, the end face of the bottom end of the stamped part 4.4 is higher than the end face of the outer ring 2.

Preferably, the outer diameter of the inner ring 1 is 20.4mm, the outer diameter of the stretching portion 4.6 is at least 45mm, the wall thickness of the punching seat 4 is at least 1.7mm, one side of the punching portion 4.4 is at an arc angle with a radius of 1mm, the other side of the punching portion 4.4 is at an arc angle with a radius of 0.5mm, so that the maximum wall thickness of the punching portion 4.4 is 2mm, the outer diameter of the outer ring 2 is 31.98mm, and the inner diameter of the punching portion 4.4 is at least 32 mm.

The bearing outer ring 2 is tightly matched with the chassis 4.2 of the stamping seat 4 to realize the radial position limitation of the bearing outer ring 2 in the cavity of the stamping seat 4, and the outer ring 2 is butted and fixed at the vertical connecting end of the surrounding edge 4.3 and the chassis 4.2, so that the stamping seat 4 is provided with enough structural strength to support the outer ring 2;

the fore shaft 4.1 is formed on the punching part 4.4 through extrusion, the punching part 4.4 is located at the vertical connecting end of the surrounding edge 4.3 and the stretching part 4.6, arc angles are formed at the outer side and the inner side of the surrounding edge 4.3 and the stretching part 4.6 by lifting up the position of the stretching part 4.6, so that the occupation ratio of the forming part 4.7 of the fore shaft 4.1 on the punching part 4.4 is increased, meanwhile, the structural strength of the fore shaft 4.1 is increased, the material located at the fore shaft 4.1 on the punching part 4.4 is extruded to the upper end of the outer ring 2, so that the axial limit of the bearing is realized, the punching part 4.4 provides secondary limit for the outer ring 2 of the bearing, so that the reliability of the bearing is improved, the tightness and stability of the matching of the punching seat 4 and the bearing are increased, and the noise generated during the work is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a take stamping bearing of fore shaft, includes inner circle (1) and outer lane (2), locates rolling subassembly (3) between inner circle (1) and outer lane (2), still be equipped with cage subassembly, its characterized in that between inner circle (1) and outer lane (2): still include punching press seat (4), be equipped with the cavity that supplies outer lane (2) to put into on punching press seat (4), terminal surface, outer wall closely cooperate under cavity inner wall and outer lane (2), just the top of punching press seat (4) is equipped with fore shaft (4.1) that are used for retraining bearing axial float, fore shaft (4.1) bottom is along radially stretching out the up end at outer lane (2).

2. The fore-cut punch bearing of claim 1, wherein: the locking notches (4.1) are arranged at intervals along the circumferential direction.

3. The fore-cut punch bearing of claim 1, wherein: the stamping seat (4) at least comprises a base plate (4.2) connected with the end part of the bearing and a surrounding edge (4.3) tightly matched on the outer wall of the outer ring (2), a stamping part (4.4) is arranged at the top of the surrounding edge (4.3), and the stamping part (4.4) has a tendency of approaching towards the center of the bearing.

4. The fore-cut punch bearing of claim 3, wherein: the locking notch (4.1) is formed on the stamping part (4.4) by extrusion forming.

5. The fore-cut punch bearing of claim 3, wherein: the stamping part (4.4) is arranged at the arc-shaped end part.

6. The fore-cut punch bearing of claim 1, wherein: the bottom of the locking notch (4.1) is propped against the end part of the outer ring (2).

7. The fore-cut punch bearing of claim 3, wherein: stretch out at inner circle (1) both ends punching press seat (4), just inner circle (1) hole is interior hexagonal hole setting, be equipped with through-hole (4.5) that supply inner circle (1) to pass on chassis (4.2), still be equipped with between inner circle (1) and outer lane (2) holder (5) and lower holder (6), the outer loop butt of lower holder (6) is in between chassis (4.2) and outer lane (2), just the inner ring and inner circle (1) of lower holder (6) offset.

8. The fore-cut punch bearing of claim 7, wherein: the top of the surrounding edge (4.3) extends outwards in the radial direction to form a stretching part (4.6), the thickness of the stretching part (4.6) is equal to that of the stamping part (4.4), the stretching part (4.6) extends towards the chassis (4.2) in the axial direction to form a forming part (4.7), and the forming part (4.7) extends outwards in the radial direction to form a flange (4.8).

9. The fore-cut punch bearing of claim 3, wherein: the end face of the bottom end of the stamping part (4.4) is higher than the end face of the outer ring (2).

10. The fore-cut punch bearing of claim 8, wherein: the outer diameter of the inner ring (1) is 20.4mm, the outer diameter of the stretching portion (4.6) is at least 45mm, the wall thickness of the punching seat (4) is at least 1.7mm, one side of the punching portion (4.4) is a radius 1mm arc angle, the other side of the punching portion (4.4) is a radius 0.5mm arc angle, so that the maximum wall thickness of the punching portion (4.4) reaches 2mm, the outer diameter of the outer ring (2) is 31.98mm, and the inner diameter of the punching portion (4.4) is at least 32 mm.