CN217072246U

CN217072246U - Bearing pressing tool

Info

Publication number: CN217072246U
Application number: CN202220982999.4U
Authority: CN
Inventors: 曾凯; 刘学; 宣奇武
Original assignee: Sichuan Iat New Energy Automobile Co ltd
Current assignee: Sichuan Iat New Energy Automobile Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-07-29
Anticipated expiration: 2032-04-26

Abstract

The utility model provides a press bearing frock relates to the technical field of mechanical equipment installation, the utility model provides a press bearing frock, include: the mounting piece and the pushing piece are arranged on the product bearing sleeve. The end face of the product shaft is provided with a threaded hole, the mounting piece is abutted against the end face of the product shaft, and the mounting piece is provided with a through hole which is coaxial with the threaded hole; the pushing piece comprises a first end and a second end which are oppositely arranged, the first end is provided with an external thread structure matched with the threaded hole, and the second end is provided with a butting part. The first end passes the through-hole and links to each other with the screw hole, and butt portion offsets with the product bearing, during the use, places the product bearing on the installed part, and the helicitic texture links to each other with the screw hole, revolves soon the impeller, drives the direction motion of product bearing to the product axle, with the product bearing assembly on the product axle. Compare in the current mode installation product bearing through the hammering more convenient, can avoid the product bearing to take place to damage in the installation by at utmost simultaneously.

Description

Bearing pressing tool

Technical Field

The utility model belongs to the technical field of the technique of mechanical equipment installation and specifically relates to a pressure bearing frock is related to.

Background

The bearing is an important part in the modern mechanical equipment. The main function of the device is to support the mechanical rotator, reduce the friction coefficient of the mechanical rotator in the movement process and ensure the rotation precision of the mechanical rotator.

In general, the bearing and the mechanical rotating body are mostly in interference fit, and are mostly installed on the assembling component in a hammering manner in the installation process. In the hammering process, the impact on the bearing is large, and the bearing is easy to damage; moreover, due to space limitations, some bearings may not provide sufficient hammering space during installation, resulting in difficult or even impossible installation of the bearings.

SUMMERY OF THE UTILITY MODEL

The utility model discloses (one) the problem that will solve is: the existing bearing installation is mostly in a hammering mode, the bearing is easily damaged, and a large installation space is needed for hammering the bearing.

(II) technical scheme

In order to solve the technical problem, an embodiment of the utility model provides an aspect provides a press bearing frock for install the product bearing epaxial at the product, press bearing frock includes: the product bearing sleeve is arranged on the mounting piece;

the end face of the product shaft is provided with a threaded hole, the mounting piece is abutted against the end face of the product shaft, and the mounting piece is provided with a through hole which is coaxial with the threaded hole; the pushing piece comprises a first end and a second end which are oppositely arranged, the first end is provided with an external thread structure matched with the threaded hole, and the second end is provided with a butting part;

the first end penetrates through the through hole to be connected with the threaded hole, the abutting part abuts against the product bearing, and when the pushing part is screwed, the abutting part pushes the product bearing to move towards the direction of the product shaft.

According to an embodiment of the present invention, further, the device further comprises a connecting member;

the connecting piece is sleeved on the pushing piece, one end of the connecting piece abuts against the abutting part, and the other end of the connecting piece abuts against the product bearing;

when the pushing piece rotates, the connecting piece and the product bearing are kept static relatively.

According to an embodiment of the present invention, further, the connecting member is a thrust ball bearing;

the thrust ball bearing is sleeved on the pushing piece, one end of the thrust ball bearing is abutted against the abutting part, and the other end of the thrust ball bearing is abutted against the product bearing.

According to an embodiment of the present invention, further, the device further comprises a bearing seat;

the bearing seat is sleeved on the pushing piece, an accommodating space is formed between the bearing seat and the abutting part, and the thrust ball bearing is arranged in the accommodating space;

when the pushing piece rotates, the bearing seat and the thrust ball bearing are kept static relatively.

According to an embodiment of the present invention, further, the device further comprises an elastic member;

one end of the elastic piece is connected with the abutting part, the other end of the elastic piece abuts against the mounting piece, and pushing force pointing to the first end from the second end is applied to the mounting piece.

According to an embodiment of the present invention, further, the elastic member is a compression spring, and the compression spring is sleeved on the pushing member;

a sinking structure is arranged at one end of the mounting piece, which is far away from the product shaft, and the through hole is positioned in the sinking structure;

one end of the compression spring is abutted against the abutting part, and the other end of the compression spring is positioned in the sinking structure and is abutted against the outer edge of the through hole.

According to an embodiment of the present invention, further, the system further comprises a protective cover;

the two ends of the protecting sleeve are open, the protecting sleeve is arranged outside the pushing piece, and the elastic piece is positioned in the protecting sleeve;

the protection sleeve comprises a third end and a fourth end which are arranged oppositely, the end part of the third end abuts against the product bearing, and the end part of the fourth end abuts against the bearing seat.

According to an embodiment of the present invention, further, a connection ring is disposed at an inner edge of the third end, and a first flange is disposed at an outer edge of one end of the mounting member, which is provided with the sinking structure, and the first flange is lapped on the connection ring;

the outer edge of the fourth end is provided with a plurality of fixing pieces at intervals, any one of the fixing pieces and one end of the protective sleeve are provided with protrusions, the outer edge of the abutting portion is provided with a second flanging, and all the protrusions are abutted to the second flanging.

According to an embodiment of the present invention, further, a limiting ring is further disposed on a side wall of one end of the mounting member close to the product shaft;

the limiting ring is used for fixing the product bearing.

According to the utility model discloses an embodiment, it is further, still be equipped with on the butt portion with spanner complex connection structure.

The utility model has the advantages that:

the utility model provides a pair of press bearing frock for install the product bearing at the product epaxial, press bearing frock includes: the mounting piece and the pushing piece are arranged on the product bearing sleeve. The end face of the product shaft is provided with a threaded hole, the mounting piece is abutted against the end face of the product shaft, and the mounting piece is provided with a through hole which is coaxial with the threaded hole; the pushing piece comprises a first end and a second end which are oppositely arranged, the first end is provided with an external thread structure matched with the threaded hole, and the second end is provided with a butting part. The first end penetrates through the through hole to be connected with the threaded hole, the abutting part abuts against the product bearing, and when the screwing pushing part is rotated, the abutting part pushes the product bearing to move towards the direction of the product shaft.

Place the product bearing on the installed part, link to each other the external screw thread structure of first end with the screw hole, the rethread is twisted the impeller soon, drives the direction motion of product bearing to the product axle, with the assembly of product bearing on the product axle. Compare in the current mode installation product bearing through the hammering more convenient, can avoid the product bearing to take place to damage in the installation by at utmost simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a press bearing fixture according to an embodiment of the present invention;

fig. 2 is an exploded view of a press bearing fixture provided in an embodiment of the present invention;

fig. 3 is the embodiment of the utility model provides a press bearing frock and product axle complex mechanism sketch map.

Icon: 110-a product bearing; 120-product axis; 121-a threaded hole;

200-a mount; 210-a via; 220-sinking structure; 230-a first flange;

300-a pusher; 310-a thread structure; 320-an abutment; 321-a second flanging; 330-a connecting structure;

400-thrust ball bearing;

500-bearing seat; 510-a receiving space;

600-an elastic member;

700-a protective sleeve; 710-a connecting ring; 720-fixing piece; 721-bumps;

800-limiting ring.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It should be noted that, in the description of the present invention, the terms "connected" and "mounted" should be interpreted broadly, for example, they may be fixedly connected, detachably connected, or integrally connected; can be directly connected or connected through an intermediate medium; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

An embodiment of the utility model provides a pressure bearing frock for install product bearing 110 on product axle 120, with the mode of solving the installation of current bearing and adopting the hammering more, avoid causing the damage to the bearing, make things convenient for the installation of bearing simultaneously.

In this embodiment, as shown in fig. 1 to 3, the press bearing tooling includes: a mounting member 200 and a pusher member 300.

Wherein the mount 200 is used to align the inner edge of the product bearing 110 with the product axis 120. The pusher 300 is used to push the product bearing 110 of the mount 200 onto the product shaft 120.

When in use, the product bearing 110 is sleeved on the mounting member 200, and the product bearing 110 can slide along the extending direction of the mounting member 200 under the action of the abutting portion 320.

A threaded hole 121 is provided in an end surface of the product shaft 120, the mounting piece 200 abuts against the end surface of the product shaft 120, and a through hole 210 coaxial with the threaded hole 121 is provided in the mounting piece 200. The pusher 300 has a first end and a second end arranged oppositely, the first end being provided with an external thread structure 310 cooperating with the threaded hole 121, and the second end being provided with an abutment 320 for pushing the product bearing 110 to move.

During assembly, the first end of the pushing member 300 passes through the through hole 210, the external thread structure 310 is connected to the threaded hole 121, and the abutting portion 320 abuts against an end of the product bearing 110 away from the product shaft 120. By rotating the pusher 300, the pusher 300 moves in the depth direction of the threaded hole 121, and at the same time, the abutting portion 320 moves together with the pusher 300, and pushes the product bearing 110 abutting against the abutting portion 320 onto the product shaft 120 below.

In actual use, the mounting member 200 is a mounting shaft. Preferably, the outer diameter of the mounting shaft is slightly smaller than the outer diameter of the product shaft 120. Because the product bearing 110 is in interference fit with the product shaft 120, if the outer diameter of the mounting shaft is the same as the outer diameter of the product shaft 120, there is also a problem that it is difficult to place the product bearing 110 on the mounting shaft; meanwhile, the mounting member 200 has a positioning function in addition to the function of cooperating with the pushing member 300. No additional steps are required to align the product shaft 120 with the mounting shaft when assembling the product bearing 110.

In actual use, the pusher 300 is a screw and the abutment 320 is a compression ring provided at a second end of the screw.

In the assembling process, the product bearing 110 is firstly sleeved on the mounting member 200 (which may or may not abut against the abutting portion 320), then the external thread structure 310 on the pushing member 300 is connected with the threaded hole 121, and then the pushing member 300 is screwed, and the abutting portion 320 drives the product bearing 110 to move together in the depth direction of the threaded hole 121 until the product bearing 110 is mounted at a predetermined position on the product shaft 120. And then reversely screwing the pushing piece 300 to separate the bearing pressing tool from the product shaft 120.

In this embodiment, the product bearing 110 is placed on the mounting member 200 such that the product bearing 110 is aligned with the product shaft 120, and then the product bearing 110 is driven to move toward the product shaft 120 by screwing the pushing member 300, so as to assemble the product bearing 110 onto the product shaft 120. Compared with the prior art that the product bearing 110 is installed in a hammering mode, the product bearing 110 can be prevented from being damaged in the installation process to the greatest extent.

The embodiment of the utility model provides a pressure bearing frock, as shown in fig. 1 to fig. 3, still include the connecting piece.

In the present embodiment, the abutting portion 320 does not directly abut against the product bearing 110, but abuts against the product bearing 110 through a connecting member, a protecting cover 700 to be described below, and the like. In the present embodiment, the connecting member is used to protect the end surface of the production bearing 110 from being worn by the rotation of the abutting portion 320.

Specifically, the connecting member is sleeved on the pushing member 300, and one end of the connecting member abuts against the abutting portion 320, and the other end abuts against the product bearing 110. When the pusher 300 is screwed, the link does not rotate with the pusher 300, but rather remains relatively stationary with the product bearing 110.

Relatively stationary, i.e., there is no relative displacement between the connector and the product bearing 110 as the pusher 300 rotates.

In the present embodiment, as shown in fig. 1 to 3, the coupling member is a thrust ball bearing 400.

The thrust ball bearing 400 is sleeved on the pushing member 300, and one end of the thrust ball bearing abuts against the abutting portion 320, and the other end of the thrust ball bearing abuts against the product bearing 110.

The thrust ball bearing 400 has a capability of receiving an axial load.

By providing the thrust ball bearing 400, when the abutting portion 320 rotates together with the pusher 300, the upper edge of the thrust ball bearing 400 rotates together with the abutting portion 320, and the two keep relatively stationary; while the lower edge of the thrust ball bearing 400 remains relatively stationary with the production bearing 110.

By providing the thrust ball bearing 400, the product bearing 110 is prevented from being worn due to the abutment 320 directly contacting the product bearing 110.

Optionally, in this embodiment, the connecting element may also be a sleeve sleeved outside the pushing element 300, which also achieves the purpose of keeping the connecting element and the product bearing 110 relatively stationary when the pushing element 300 rotates in this embodiment.

Preferably, as shown in fig. 1 to 3, the press bearing assembly further includes a bearing housing 500 for mounting the thrust ball bearing 400. So as to prevent the thrust ball bearing 400 from directly contacting with the outside and protect the thrust ball bearing 400.

The bearing seat 500 is sleeved on the pushing member 300, an accommodating space 510 is formed between the bearing seat 500 and the abutting portion 320, and the thrust ball bearing 400 is disposed in the accommodating space 510. As the pusher 300 rotates, the bearing housing 500 remains relatively stationary with the thrust ball bearing 400.

As shown in fig. 1 to 3, the press bearing tooling further includes an elastic member 600.

In this embodiment, the elastic member 600 is used to apply a pushing force to the mounting member 200 from the second end to the first end, so that the elastic member can be in close contact with the end surface of the product shaft 120, thereby achieving the seamless pouring of the product bearing 110 when the product bearing 110 is sleeved on the product shaft 120, and avoiding the damage of the internal control of the product bearing 110 due to the guiding dislocation.

The elastic member 600 has one end connected to the abutting portion 320 and the other end abutting against the mounting member 200, and applies a pushing force to the mounting member 200 from the second end to the first end.

In actual use, the elastic member 600 is a compression spring. As shown in fig. 1 to 3, in order to improve space utilization, the compression spring is sleeved on the pushing member 300.

Meanwhile, in order to improve the stability of the compression spring, one end of the mounting member 200, which is away from the product shaft 120, is provided with a sinking structure 220, and the through hole 210 is located in the sinking structure 220. One end of the compression spring abuts against the abutting portion 320, and the other end of the compression spring is located in the sinking structure 220 and abuts against the outer edge of the through hole 210.

The bearing pressing tool provided by this embodiment, as shown in fig. 1 to fig. 3, further includes a protecting sleeve 700. The elastic member 600 and a part of the pushing member 300 are both located in the protecting sleeve 700, and are used for protecting structures such as the elastic member 600 to a certain extent.

In this embodiment, the protection cover 700 is a cylindrical structure with two open ends, and the whole protection cover 700 is sleeved outside the pushing member 300 to protect the elastic member 600 and other structures inside the protection cover 700.

The protecting sleeve 700 includes a third end and a fourth end which are oppositely arranged, and the protecting sleeve 700 is in a tubular structure, and the third end is partially sleeved outside the mounting member 200 and abuts against the product bearing 110 arranged on the mounting member 200. The fourth end of the shield 700 abuts the bearing seat 500.

When the pusher 300 is twisted, the abutment 320 pushes the bearing housing 500 to move in the direction of the product axis 120, the bearing housing 500 pushes the shield 700 to move in the direction of the product axis 120, and the shield 700 pushes the product bearing 110 to move in the direction of the product axis 120. In summary, the abutting portion 320 abuts against the product bearing 110 through the thrust ball bearing 400, the bearing housing 500, the shield case 700, and the like.

As shown in fig. 1 to 3, a coupling ring 710 is extended from the inner edge of the third end of the shield 700 toward the center of the shield 700, and a first flange 230 is formed at the outer edge of the end of the mounting member 200 where the sinking structure 220 is provided, and the first flange 230 is overlapped on the coupling ring 710 when assembled.

In this embodiment, the shield 700 is coupled to the mounting member 200 by the coupling ring 710 and the first flange 230, and the mounting member 200 is not separated from the shield 700 by the coupling ring 710 and the elastic member 600. Furthermore, the protective sleeve 700 is connected with the mounting piece 200 without screws, so that the risk of looseness is avoided.

A plurality of fixing pieces 720 are spaced at the outer edge of the fourth end. Preferably, the fixing member has a certain elasticity for easy assembly. One end, far away from the protecting sleeve 700, of the fixing piece 720 is provided with a protrusion 721, the outer edge of the abutting portion 320 is provided with a second flanging 321, and the protrusion 721 is abutted to the second flanging 321.

In this embodiment, the protecting cover 700, the mounting member 200 and the pushing member 300 are connected by the connection ring 710 being engaged with the first flange 230, the protrusion 721 being engaged with the second flange 321, and the two ends of the elastic member 600 being respectively abutted against the abutting portion 320 and the mounting member 200.

In the embodiment, all parts do not need to be connected by screws, so that the risk of loosening is avoided.

The application provides a pressure bearing frock, in the assembling process, pack into the lag 700 earlier installed part 200 by the fourth end of lag 700 in, and the one end that installed part 200 and product axle 120 offseted packs into in the lag 700 earlier to make first turn-ups 230 can overlap joint on go-between 710, installed part 200 can stretch out lag 700 simultaneously and be used for installing product bearing 110. And then, placing the spring in the protective sleeve 700, assembling the bearing seat 500 and the thrust ball bearing 400, and finally installing the pushing piece 300. Since the fixing piece 720 has elasticity, the pushing member 300 can be directly inserted with force.

Of course, the press bearing tooling provided in this embodiment is not limited to the above-mentioned assembling manner.

As shown in fig. 1 to 3, a stop collar 800 is further disposed on a side wall of one end of the mounting member 200 close to the product shaft 120.

In this embodiment, the retainer ring 800 is used to fix the product bearing 110, and prevent the product bearing 110 from falling off from the mounting member 200 before being assembled into the product shaft 120.

Preferably, the retainer ring 800 may be a rubber ring, which has good elasticity and can fix the production bearing 110 without damaging the production bearing 110 when the production bearing 110 is assembled.

As shown in fig. 1 to 3, the abutting portion 320 is further provided with a connecting structure 330 for engaging with a wrench.

Wherein the wrench is a mounting and dismounting tool known to those skilled in the art.

In this embodiment, an operator can rotate the pushing member 300 by a wrench to achieve the purpose of saving labor.

Alternatively, when the wrench is a solid wrench, a socket wrench, a ring wrench, an adjustable wrench or a torque wrench, the connecting structure 330 may be a column structure protruding from the abutting portion 320 and cooperating with the above-mentioned wrenches.

Alternatively, when the wrench is an internal wrench, such as an internal hexagonal wrench, the connecting structure 330 may be a hole structure for matching with the internal wrench.

The embodiment of the utility model provides a pressure bearing frock, when using, install product bearing 110 on installed part 200 earlier, under spacing collar 800's effect, product bearing 110 can not follow installed part 200 and drop. After the product bearing 110 is placed, aligning the first end of the pusher 300 with the threaded hole 121 on the product shaft 120, and connecting the external thread structure 310 with the threaded hole 121; the pusher 300 is then turned by a wrench so that the mounting member 200 abuts the shaft end of the product shaft 120. Under the action of the elastic member 600, the connection between the mounting member 200 and the product shaft 120 is stable without deviation. By continuously screwing the pushing member 300 with a wrench, the abutting portion 320 of the pushing member 300 starts to push the thrust ball bearing 400, the bearing seat 500, the protecting sleeve 700 and other structures to move towards the direction of the product shaft 120, and further pushes the product bearing 110 abutting against the third end of the protecting sleeve 700 to move towards the direction of the product shaft 120. The pusher 300 is rotated until the product bearing 110 is seated within the product shaft 120, completing the assembly of the product bearing 110.

After assembly, the pusher 300 is reversely screwed by a wrench to separate the pusher 300 from the product shaft 120.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a pressure bearing frock for install product bearing (110) on product axle (120), its characterized in that, pressure bearing frock includes: a mounting member (200) and a pushing member (300), wherein the product bearing (110) is sleeved on the mounting member (200);

a threaded hole (121) is formed in the end face of the product shaft (120), the mounting piece (200) abuts against the end face of the product shaft (120), and a through hole (210) which is coaxial with the threaded hole (121) is formed in the mounting piece (200); the pushing piece (300) comprises a first end and a second end which are oppositely arranged, the first end is provided with an external thread structure (310) matched with the threaded hole (121), and the second end is provided with an abutting part (320);

the first end passes through the through hole (210) to be connected with the threaded hole (121), the abutting part (320) abuts against the product bearing (110), and when the pushing part (300) is screwed, the abutting part (320) pushes the product bearing (110) to move towards the direction of the product shaft (120).

2. The press bearing tooling of claim 1, further comprising a connecting member;

the connecting piece is sleeved on the pushing piece (300), one end of the connecting piece is abutted against the abutting part (320), and the other end of the connecting piece is abutted against the product bearing (110);

the pusher (300) rotates while the link and the product bearing (110) remain relatively stationary.

3. A press bearing tooling as claimed in claim 2, wherein the connecting piece is a thrust ball bearing (400);

the thrust ball bearing (400) is sleeved on the pushing piece (300), one end of the thrust ball bearing abuts against the abutting part (320), and the other end of the thrust ball bearing abuts against the product bearing (110).

4. The press bearing tooling as claimed in claim 3, further comprising a bearing seat (500);

the bearing seat (500) is sleeved on the pushing piece (300), an accommodating space (510) is formed between the bearing seat (500) and the abutting part (320), and the thrust ball bearing (400) is arranged in the accommodating space (510);

when the pushing piece (300) rotates, the bearing seat (500) and the thrust ball bearing (400) are kept relatively static.

5. The press bearing tooling as set forth in claim 4 further comprising an elastic member (600);

one end of the elastic piece (600) is connected with the abutting part (320), the other end of the elastic piece abuts against the mounting part (200), and a pushing force directed from the second end to the first end is exerted on the mounting part (200).

6. The press bearing tooling as claimed in claim 5, wherein the elastic member (600) is a compression spring, and the compression spring is sleeved on the pushing member (300);

a sinking structure (220) is arranged at one end, far away from the product shaft (120), of the mounting piece (200), and the through hole (210) is located in the sinking structure (220);

one end of the compression spring is abutted against the abutting part (320), and the other end of the compression spring is positioned in the sinking structure (220) and is abutted against the outer edge of the through hole (210).

7. The press bearing tooling of claim 6, further comprising a protective sleeve (700);

the two ends of the protecting sleeve (700) are open, the protecting sleeve (700) is arranged outside the pushing piece (300), and the elastic piece (600) is positioned in the protecting sleeve (700);

the protecting sleeve (700) comprises a third end and a fourth end which are oppositely arranged, the end part of the third end is abutted against the product bearing (110), and the end part of the fourth end is abutted against the bearing seat (500).

8. The press bearing tooling as claimed in claim 7, wherein a connecting ring (710) is arranged at the inner edge of the third end, a first flanging (230) is arranged at the outer edge of the end of the mounting member (200) provided with the sinking structure (220), and the first flanging (230) is lapped on the connecting ring (710);

a plurality of fixing pieces (720) are arranged at intervals on the outer edge of the fourth end, a bulge (721) is arranged at one end of any one of the fixing pieces (720) and one end of the protective sleeve (700), a second flanging (321) is arranged on the outer edge of the abutting portion (320), and all the bulges (721) are abutted against the second flanging (321).

9. The press bearing tooling as claimed in claim 8, wherein a spacing ring (800) is further arranged on a side wall of one end of the mounting piece (200) close to the product shaft (120);

the limiting ring (800) is used for fixing the product bearing (110).

10. The press bearing tooling as claimed in claim 5, wherein the abutting portion (320) is further provided with a connecting structure (330) matched with a wrench.