Lubricating mechanism for mandrel journal assembly

Abstract

The utility model discloses a lubricating mechanism for assembling a mandrel journal, belongs to the technical field of journals, and aims to solve the problems that in the prior art, the end face of a rotating mandrel is in contact with the end face of a bearing, continuous friction is caused to cause damage, and the bearing on the journal is inconvenient to lubricate automatically. A journal part is fixed to the center of one end face of the mandrel body, an assembly bearing is arranged outside the journal part, an isolation mechanism is arranged at one end of the mandrel body and comprises a wear-resistant isolation shell and a positioning convex ring, and the wear-resistant isolation shell is fixed to one end face of the mandrel body; by means of the isolation mechanism, the wear-resistant isolation shell plays a role in depth control and positioning in the assembling process of the journal part and the assembling bearing, and meanwhile the wear-resistant isolation shell is located between the mandrel body and the end face of the assembling bearing and can achieve the isolation function. The abrasion phenomenon of the end face of the mandrel body can be prevented by replacing the contact mode of the end face of the mandrel body and the assembly bearing with the abrasion-resistant isolation shell.

Description

Technical Field

[0001] The utility model belongs to the technical field of shaft necks, and in particular relates to a lubricating mechanism for assembling a core shaft shaft neck. Background Art

[0002] The journal is generally the place on the shaft used to install bearings. It refers to a section of the shaft with the same diameter or a cylindrical surface with different diameters but a uniform and continuous outer surface. The outer surface must be uniform and continuous, and there must be no shoulders or grooves to interrupt it.

[0003] At present, when the shaft neck of the core shaft is tightly assembled with the bearing, the end face of the core shaft sometimes sticks to the end face of the bearing. In this way, the rotating end face of the core shaft contacts the end face of the bearing and causes continuous friction and damage. In addition, when the shaft neck is inserted and assembled on the bearing, the core shaft will affect the disassembly and assembly of the dust cover at the bearing ball assembly port. In addition, the bearing on the shaft neck is not easy to lubricate automatically during use of the core shaft, and the manual oil drip lubrication operation is also cumbersome due to the limited removal of the dust cover.

[0004] Therefore, a lubrication mechanism for the core shaft journal assembly is needed to solve the problem in the prior art that the rotating core shaft end face contacts the bearing end face and causes continuous friction and damage, and the bearing on the journal is not easy to automatically lubricate. Utility Model Content

[0005] The utility model aims to provide a lubrication mechanism for a core shaft journal assembly to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lubrication mechanism for a spindle journal assembly, comprising a spindle body, a journal neck portion fixed at the center of one end face of the spindle body, an assembly bearing arranged on the outside of the journal neck, an isolation mechanism arranged at one end of the spindle body, the isolation mechanism comprising a wear-resistant isolation shell and a positioning convex ring, the wear-resistant isolation shell being fixed on one end face of the spindle body, the positioning convex ring being fixed on one end face of the wear-resistant isolation shell away from the spindle body, and a leakage hole being provided on the inner wall of the wear-resistant isolation shell.

[0007] It should be noted in the solution that a rotating ring groove is provided on one end surface of the outer sleeve seat of the assembled bearing, and the positioning convex ring is rotatably connected in the rotating ring groove of the assembled bearing.

[0008] It is further worth noting that an oil storage cavity is provided inside the wear-resistant isolation shell, and the oil storage cavity is connected to the leakage hole.

[0009] It should be further explained that a through opening is provided inside the wear-resistant isolation shell, and a ball assembly opening is provided inside the assembled bearing.

[0010] As a preferred implementation, the through opening is communicated with the ball assembly opening, and the wear-resistant isolation shell is fitted on one end surface of the assembled bearing.

[0011] As a preferred embodiment, a lubricating oil adding port is provided at the upper end of the wear-resistant isolation shell, and a sealing plug is provided in the lubricating oil adding port of the wear-resistant isolation shell.

[0012] As a preferred implementation, the shaft neck portion is inserted into a through opening of the wear-resistant isolation shell, and a bearing mounting seat is disposed outside the assembled bearing.

[0013] As a preferred embodiment, mounting ears are fixed to both ends of the bearing mounting seat, and mounting holes are formed on the upper surfaces of the mounting ears.

[0014] Compared with the prior art, the lubrication mechanism of the core shaft journal assembly provided by the utility model has at least the following beneficial effects:

[0015] ⑴ Through the isolation mechanism, the wear-resistant isolation shell plays a role in depth control and positioning during the assembly process of the shaft neck and the assembled bearing. At the same time, the wear-resistant isolation shell is located between the core shaft body and the end face of the assembled bearing to achieve isolation. The wear-resistant isolation shell replaces the contact between the end face of the core shaft body and the assembled bearing to prevent the end face of the core shaft body from wearing.

[0016] (2) By setting up the wear-resistant isolation shell and the leakage hole, during use, the wear-resistant isolation shell seals and covers the ball assembly port of the assembled bearing, which can simplify the dust cover structure that needs to be arranged for the traditional assembled bearing. The lubricating oil inside the wear-resistant isolation shell can continuously lubricate the balls of the assembled bearing during the rotation of the core shaft body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a three-dimensional diagram of the overall structure of a lubrication mechanism assembled on a mandrel journal of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the ball assembly port structure of a lubrication mechanism for a core shaft journal assembly of the utility model;

[0020] Figure 3 A three-dimensional diagram of the wear-resistant isolation shell structure of a lubrication mechanism assembled on a core shaft journal of the utility model;

[0021] Figure 4 The utility model is a three-dimensional diagram of the cross-sectional structure of a wear-resistant isolation shell of a lubrication mechanism assembled on a core shaft journal.

[0022] In the figure: 1. spindle body; 2. shaft neck; 3. wear-resistant isolation shell; 4. positioning convex ring; 5. assembly bearing; 6. rotating ring groove; 7. ball assembly port; 8. through port; 9. leakage hole; 10. lubricating oil addition port; 11. sealing plug; 12. oil storage cavity; 13. bearing mounting seat; 14. mounting ear; 15. mounting hole. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the embodiments.

[0024] See also Figure 1-4 The utility model provides a lubrication mechanism for a spindle journal assembly, comprising a spindle body 1, a journal neck 2 is fixed at the center of one end face of the spindle body 1, an assembly bearing 5 is arranged outside the journal neck 2, an isolation mechanism is arranged at one end of the spindle body 1, the isolation mechanism comprises a wear-resistant isolation shell 3 and a positioning convex ring 4, the wear-resistant isolation shell 3 is fixed on one end face of the spindle body 1, the positioning convex ring 4 is fixed on one end face of the wear-resistant isolation shell 3 away from the spindle body 1, and a leakage hole 9 is opened on the inner wall of the wear-resistant isolation shell 3.

[0025] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that a rotating ring groove 6 is opened on one end surface of the outer sleeve seat of the assembled bearing 5, and the positioning convex ring 4 is rotatably connected in the rotating ring groove 6 of the assembled bearing 5.

[0026] Further as Figure 3 As shown, it is worth to explain in detail that an oil storage cavity 12 is opened inside the wear-resistant isolation shell 3, and the oil storage cavity 12 is connected with the leakage hole 9.

[0027] This solution has the following working process: before use, the through-hole 8 of the wear-resistant isolation shell 3 is sleeved on the outside of the shaft neck 2 of the core shaft body 1, and the wear-resistant isolation shell 3 is fixed on the end face of the core shaft body 1. When in use, the wear-resistant isolation shell 3 is positioned and assembled in the rotating ring groove 6 of the assembly bearing 5 through the positioning convex ring 4. The wear-resistant isolation shell 3 plays a role in depth control and positioning during the assembly process of the shaft neck 2 and the assembly bearing 5. At the same time, the wear-resistant isolation shell 3 is located between the core shaft body 1 and the end face of the assembly bearing 5 to achieve isolation. The wear-resistant isolation shell 3 replaces the end face of the core shaft body 1 and contacts the assembly bearing 5 to prevent the end face of the core shaft body 1 from wearing.

[0028] According to the above working process, it can be known that the wear-resistant isolation shell 3 plays a role in depth control and positioning during the assembly process of the shaft neck 2 and the assembled bearing 5. At the same time, the wear-resistant isolation shell 3 is located between the core shaft body 1 and the end face of the assembled bearing 5 to achieve an isolation effect. The wear-resistant isolation shell 3 replaces the contact between the end face of the core shaft body 1 and the assembled bearing 5 to prevent the end face of the core shaft body 1 from wearing.

[0029] Further as Figure 1 , Figure 2 and Figure 4 As shown, it is worth to explain in detail that a through opening 8 is opened inside the wear-resistant isolation shell 3, and a ball assembly opening 7 is arranged inside the assembly bearing 5.

[0030] Further as Figure 4 As shown, it is worth specifically explaining that the through-port 8 is connected with the ball assembly port 7, and the wear-resistant isolation shell 3 is attached to one end face of the assembled bearing 5. During use, the wear-resistant isolation shell 3 is sealed and covers the end of the ball assembly port 7 of the assembled bearing 5, which can simplify the dust cover structure that needs to be arranged for the traditional assembled bearing 5. At the same time, the oil storage cavity 12 of the wear-resistant isolation shell 3 is connected with the ball assembly port 7 of the assembled bearing 5, so that the lubricating oil inside the wear-resistant isolation shell 3 can continuously lubricate the balls of the assembled bearing 5 during the rotation of the core shaft body 1.

[0031] Further as Figure 1 As shown, it is worth to explain in detail that a lubricating oil adding port 10 is arranged at the upper end of the wear-resistant isolation shell 3, and a sealing plug 11 is arranged in the lubricating oil adding port 10 of the wear-resistant isolation shell 3.

[0032] Further as Figure 1 As shown, it is worth to explain in detail that the journal neck 2 is inserted into the through-hole 8 of the wear-resistant isolation shell 3 , and a bearing mounting seat 13 is arranged outside the assembled bearing 5 .

[0033] Further as Figure 1 As shown, it is worth to explain in detail that mounting ears 14 are fixed to both ends of the bearing mounting seat 13 , and mounting holes 15 are formed on the upper surfaces of the mounting ears 14 .

[0034] In summary: the wear-resistant isolation shell 3 plays a role in depth control and positioning during the assembly process of the shaft neck 2 and the assembled bearing 5. At the same time, the wear-resistant isolation shell 3 is located between the core shaft body 1 and the end face of the assembled bearing 5 to achieve an isolation effect. The wear-resistant isolation shell 3 replaces the end face of the core shaft body 1 in contact with the assembled bearing 5 to prevent the end face of the core shaft body 1 from wearing. During use, the wear-resistant isolation shell 3 is sealed and covers the ball assembly port 7 of the assembled bearing 5, which can simplify the dust cover structure that needs to be arranged for the traditional assembled bearing 5, and the lubricating oil inside the wear-resistant isolation shell 3 can continuously lubricate the balls of the assembled bearing 5 during the rotation of the core shaft body 1.

[0035] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lubrication mechanism for a spindle journal assembly, comprising a spindle body (1), a journal portion (2) being fixed at the center of one end surface of the spindle body (1), characterized in that: An assembled bearing (5) is arranged outside the shaft neck portion (2), and an isolation mechanism is arranged at one end of the spindle body (1), the isolation mechanism comprising a wear-resistant isolation shell (3) and a positioning convex ring (4), the wear-resistant isolation shell (3) is fixed on one end face of the spindle body (1), the positioning convex ring (4) is fixed on one end face of the wear-resistant isolation shell (3) away from the spindle body (1), and a leakage hole (9) is provided on the inner wall of the wear-resistant isolation shell (3).

2. A lubrication mechanism for a mandrel journal assembly according to claim 1, characterized in that: A rotating ring groove (6) is formed on one end surface of the outer sleeve seat of the assembled bearing (5), and the positioning convex ring (4) is rotatably connected in the rotating ring groove (6) of the assembled bearing (5).

3. A lubrication mechanism for a mandrel journal assembly according to claim 2, characterized in that: An oil storage cavity (12) is provided inside the wear-resistant isolation shell (3), and the oil storage cavity (12) is connected to the liquid leakage hole (9).

4. A lubrication mechanism for a mandrel journal assembly according to claim 3, characterized in that: A through opening (8) is provided inside the wear-resistant isolation shell (3), and a ball assembly opening (7) is provided inside the assembly bearing (5).

5. A lubrication mechanism for a mandrel journal assembly according to claim 4, characterized in that: The through opening (8) is connected to the ball assembly opening (7), and the wear-resistant isolation shell (3) is fitted on one end surface of the assembled bearing (5).

6. A lubrication mechanism for a mandrel journal assembly according to claim 5, characterized in that: The upper end of the wear-resistant isolation shell (3) is provided with a lubricating oil adding port (10), and a sealing plug (11) is provided in the lubricating oil adding port (10) of the wear-resistant isolation shell (3).

7. A lubrication mechanism for a mandrel journal assembly according to claim 6, characterized in that: The shaft neck portion (2) is inserted into a through opening (8) of the wear-resistant isolation shell (3), and a bearing mounting seat (13) is arranged outside the assembled bearing (5).

8. A lubrication mechanism for a mandrel journal assembly according to claim 7, characterized in that: Mounting ears (14) are fixed to both ends of the bearing mounting seat (13), and mounting holes (15) are provided on the upper surfaces of the mounting ears (14).

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