Axial jacking mechanism for shredder bearing

Abstract

The utility model relates to the technical field of shredder bearing jacking, and discloses an axial jacking mechanism for a shredder bearing, which is used for fixing the bearing on a rotating shaft, the bearing is sleeved on the rotating shaft, a positioning ring is arranged on the rear side of the bearing, the positioning ring is sleeved on the rotating shaft, a bearing jacking sleeve is arranged on the front side of the bearing, and the bearing jacking sleeve is sleeved on the rotating shaft. The bearing jacking sleeve is connected to the rotating shaft in a sleeving mode, a bearing jacking seat is arranged on the front side of the bearing jacking sleeve and fixedly connected to the rotating shaft, and a fixing screw is connected to the interior of the bearing jacking seat in a threaded mode. By arranging the bearing jacking sleeve, the bearing jacking seat, the fixing screw and the positioning ring, the bearing can be fixed on the rotating shaft under the action of the bearing jacking sleeve and the positioning ring, the bearing jacking sleeve is pushed through the fixing screw to jack the bearing, the bearing can be installed at the position of the positioning ring, the bearing is installed in place, operation is simple, and the bearing jacking sleeve is convenient to use. And later part replacement is facilitated, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of shredder bearing jacking, in particular to an axial jacking mechanism for a shredder bearing. Background Art

[0002] A shredder is a machine used for coarse crushing, generally used to process unprocessed raw materials or scraps, recycling industry, to make them smaller in size. Compared with other crushers, it has a low blade speed, low noise and low energy consumption.

[0003] During the production process of the shredder, the shredder bearing needs to be installed with a top tightening mechanism. The existing axial top tightening installation mechanisms are mainly the following: using round nuts and shafts to tighten and install; centering clamping mechanism; inclined wedge clamping mechanism. Existing shredders mostly use round nuts and shafts to tighten and install. This structure is not easy to tighten during the early installation. During the later maintenance process, due to the relatively harsh on-site environment, the round nut threaded connection is close to the working area and is easy to rust and cannot be removed, which makes it difficult to repair and replace other parts. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides an axial tightening mechanism for a shredder bearing.

[0005] To solve the above problems, the utility model provides the following technical solutions: an axial tightening mechanism for a shredder bearing, which is used to fix the bearing on a rotating shaft, the bearing is sleeved on the rotating shaft, a positioning ring is provided on the rear side of the bearing, the positioning ring is sleeved on the rotating shaft, a bearing tightening sleeve is provided on the front side of the bearing, the bearing tightening sleeve is sleeved on the rotating shaft, a bearing tightening seat is provided on the front side of the bearing tightening sleeve, the bearing tightening seat is fixedly connected to the rotating shaft, and a fixing screw is threadedly connected to the inner part of the bearing tightening seat.

[0006] Preferably, a plurality of threaded holes are provided on the bearing tightening seat in a circular array, and a plurality of sets of fixing screws are threadedly connected inside the threaded holes.

[0007] Preferably, a slot is provided on the rotating shaft, and a top locking ring is clamped inside the slot.

[0008] Preferably, the tightening lock ring is fixedly installed on the front side of the bearing tightening seat, and the bearing tightening seat and the tightening lock ring are arranged in two semicircular shapes.

[0009] Compared with the prior art, the utility model provides an axial tightening mechanism for a shredder bearing, which has the following beneficial effects:

[0010] The axial tightening mechanism for the shredder bearing is provided with a bearing tightening sleeve, a bearing tightening seat, a fixing screw and a positioning ring. The bearing can be fixed on the rotating shaft under the action of the bearing tightening sleeve and the positioning ring. The bearing tightening sleeve is pushed by the fixing screw to tighten the bearing, so that the bearing can be installed to the position of the positioning ring and the bearing can be installed in place. The operation is simple, and it is convenient for replacing parts and using in the later stage. The application range is wide.

[0011] The shredder bearing uses an axial tightening mechanism, which is tightened and installed by arranging multiple sets of fixing screws, thereby ensuring the stability of the bearing installation and avoiding the tilting phenomenon during the installation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of an axial tightening mechanism for a shredder bearing according to the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the bearing installation of the utility model;

[0014] Figure 3 This is a schematic diagram of the card slot structure of the utility model.

[0015] In the figure: 1 rotating shaft, 2 bearing jacking sleeve, 3 bearing jacking seat, 4 fixing screw, 5 jacking lock ring, 6 bearing, 7 positioning ring, 8 slot, 9 threaded hole. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-Figure 3The utility model provides a new technical solution: an axial tightening mechanism for a shredder bearing, which is used to fix a bearing 6 on a rotating shaft 1, wherein the bearing 6 is sleeved on the rotating shaft 1, a positioning ring 7 is arranged on the rear side of the bearing 6, and the positioning ring 7 is sleeved on the rotating shaft 1, a bearing tightening sleeve 2 is arranged on the front side of the bearing 6, and the bearing tightening sleeve 2 is sleeved on the rotating shaft 1, a bearing tightening seat 3 is arranged on the front side of the bearing tightening sleeve 2, and the bearing tightening seat 3 is fixedly connected to the rotating shaft 1, and the inside of the bearing tightening seat 3 A fixing screw 4 is threadedly connected, and the fixing screw 4 can be used to push the bearing tightening sleeve 2 to tighten the bearing 6. The utility model provides a bearing tightening sleeve 2, a bearing tightening seat 3, a fixing screw 4 and a positioning ring 7. Under the action of the bearing tightening sleeve 2 and the positioning ring 7, the bearing 6 can be fixed on the rotating shaft 1. The bearing tightening sleeve 2 is pushed by the fixing screw 4 to tighten the bearing 6, so that the bearing 6 can be installed to the position of the positioning ring 7, so that the bearing 6 is installed in place, the operation is simple, it is convenient for the later replacement of parts and use, and the application range is wide.

[0018] In this embodiment, a plurality of threaded holes 9 are provided in a circular array on the bearing tightening seat 3, and a plurality of sets of fixing screws 4 are threadedly connected to the inner surfaces of the threaded holes 9. By providing a plurality of sets of fixing screws 4 for tightening installation, the stability of the installation of the bearing 6 is ensured, and tilting during the installation process is avoided.

[0019] In this embodiment, a slot 8 is provided on the rotating shaft 1 , and a top locking ring 5 is clamped inside the slot 8 .

[0020] In this embodiment, the tightening locking ring 5 is fixedly installed on the front side of the bearing tightening seat 3. The bearing tightening seat 3 and the tightening locking ring 5 are arranged in two semicircular shapes. By inserting the tightening locking ring 5 into the slot 8, the bearing tightening seat 3 can be driven to be fixed on the rotating shaft 1 to avoid deviation during the tightening process.

[0021] Working principle: When the shredder bearing axial tightening mechanism is in use, firstly, the bearing 6 is sleeved on the rotating shaft 1, and then a pre-force is applied to the bearing 6 to move the bearing 6 toward the rear side of the rotating shaft 1, and then the bearing tightening sleeve 2 is sleeved on the rotating shaft 1 to make the bearing tightening sleeve 2 close to the bearing 6, and finally, the two-part bearing tightening seat 3 and the tightening lock ring 54 are clamped into the inside of the slot 8, and the fixing screw 4 is rotated into the inside of the threaded hole 9, so that the fixing screw 4 pushes the bearing tightening sleeve 2 to move toward the rear side, thereby pushing the bearing 6 to contact with the positioning ring 7, so as to achieve the purpose of tightening the bearing 6.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An axial tightening mechanism for a shredder bearing, used to fix a bearing (6) on a rotating shaft (1), characterized in that: The bearing (6) is sleeved on the rotating shaft (1); a positioning ring (7) is arranged on the rear side of the bearing (6); the positioning ring (7) is sleeved on the rotating shaft (1); a bearing tightening sleeve (2) is arranged on the front side of the bearing (6); the bearing tightening sleeve (2) is sleeved on the rotating shaft (1); a bearing tightening seat (3) is arranged on the front side of the bearing tightening sleeve (2); the bearing tightening seat (3) is fixedly connected to the rotating shaft (1); and a fixing screw (4) is internally threadedly connected to the bearing tightening seat (3).

2. The axial tightening mechanism for a shredder bearing according to claim 1, characterized in that: The bearing tightening seat (3) is provided with a plurality of threaded holes (9) in a circumferential array, and a plurality of sets of fixing screws (4) are threadedly connected inside the threaded holes (9).

3. The axial tightening mechanism for a shredder bearing according to claim 1, characterized in that: The rotating shaft (1) is provided with a slot (8), and a top locking ring (5) is clamped inside the slot (8).

4. The axial tightening mechanism for a shredder bearing according to claim 3, characterized in that: The tightening lock ring (5) is fixedly installed on the front side of the bearing tightening seat (3), and the bearing tightening seat (3) and the tightening lock ring (5) are arranged in two semicircular shapes.

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