KR-20260066846-A - Automatic bearing feeder

Abstract

The technical gist of the present invention is that an automatic bearing supply device comprises: a servo press arranged in a longitudinal direction; a bearing supply unit arranged on one side of the servo press in the same longitudinal direction as the servo press and supplying a plurality of bearings stored therein one by one; a bearing positioning unit that positions the bearing supplied from the bearing supply unit at the front of the servo press; and a component fixing unit arranged at the front of the servo press and fixing a component to be assembled on which the bearing is assembled. By automatically supplying bearings stored in a bearing supply unit having a sealed shape, the attachment of dust or foreign matter to the bearings is prevented, thereby reducing the defect rate. Furthermore, since the bearings are automatically supplied and automatically aligned by the bearing supply unit and the bearing positioning unit, no operator is required, resulting in reduced labor costs and improved work efficiency.

Inventors

• 김동균
• 박정진

Assignees

• 주식회사 우성에프에이

Dates

Publication Date

20260512

Application Date

20241105

Claims (2)

1. Servo press arranged in the longitudinal direction; A bearing supply unit disposed on one side of the servo press in the same longitudinal direction as the servo press, and supplying a plurality of bearings stored internally one by one; A bearing positioning unit for positioning the bearing supplied from the bearing supply unit at the front of the servo press; and An automatic bearing supply device characterized by including a part fixing unit disposed at the front of the above-mentioned servo press and fixing the assembly target part to which the bearing is assembled.
2. In Article 1, The above bearing supply unit is, An automatic bearing supply device characterized by comprising: a bearing storage unit in which a plurality of bearings are stored in the same longitudinal direction as the servo press; a first bearing pusher unit installed at one end of the bearing storage unit to transport a plurality of bearings toward the other end of the bearing storage unit; and a second bearing pusher unit installed at the other end of the bearing storage unit to supply one bearing to the front of the servo press.

Description

Automatic bearing feeder The present invention relates to an automatic bearing supply device, and more specifically, to an automatic bearing supply device that can reduce the defect rate by preventing dust or foreign substances from adhering to the bearings through automatic supply of stored bearings, and reduces labor costs and improves work efficiency by eliminating the need for a worker. Bearings are core components that enable power transmission and smooth motion in various rotary and linear machinery. They are widely applied across a broad range of machinery, including automobiles, electric motors, general industrial machinery, machine tools, railway vehicles, and agricultural machinery. They are representative components used in everything from micro-precision instruments to advanced mechanical industries such as aerospace. As mechanical elements that limit relative motion for desired movements and reduce friction between moving parts, bearings are used to prevent component damage and ensure the accurate and smooth rotation of shafts. When handling such bearings, the following points must be taken into account. First, the bearing and its surroundings must be kept clean to prevent dust or foreign matter from adhering to the bearing, as even dust or foreign matter that is too small to be seen can affect the bearing's operation and lifespan. Additionally, strong impacts to the bearing can cause scratches and indentations, and in severe cases, the bearing may come loose or break, leading to accidents, so caution is required during handling. Conventionally, bearing installation was performed by a worker manually inserting bearings one by one and pressing a button; however, this method has the problem of incurring labor costs for personnel during the constant insertion of bearings, posing a risk to the worker, and increasing the risk of dust or foreign matter adhering to the bearings when the worker inserts them. FIG. 1 is an explanatory diagram showing a method of assembling a bearing to a rotating shaft and a housing, and FIG. 2 is a top view of an automatic bearing supply device according to an embodiment of the present invention, and Figure 3 is a configuration diagram of an automatic bearing feeder. Hereinafter, the technical concept of the present invention will be explained in more detail using the attached drawings. The attached drawings are merely examples illustrated to explain the technical concept of the present invention in more detail, and therefore the technical concept of the present invention is not limited to the form of the attached drawings. FIG. 1 is an explanatory diagram showing a method of assembling a bearing to a rotating shaft and a housing, FIG. 2 is a top view of an automatic bearing feeder according to an embodiment of the present invention, and FIG. 3 is a configuration diagram of an automatic bearing feeder. Generally, ball bearings are assembled to a rotating shaft and housing by press fitting. When assembling ball bearings, the fitting tolerances for the inner ring and the rotating shaft, and the outer ring and the housing, utilize either a clearance fit or an interference fit. Among these, an interference fit is an assembly method utilizing press fitting. FIG. 1(a) shows the assembly of the outer ring and housing of a ball bearing, and FIG. 1(b) shows the assembly of the inner ring and shaft of a ball bearing; both assemblies are performed using a pressing jig through a press. During such assembly, no pressing force should be applied to the rolling elements. The method of assembly that applies force to the rolling elements corresponds to the operation of pushing in the inner ring as shown in FIG. 1(c) when the outer ring of the ball bearing is pressed into the housing, and the case of pressing in the inner ring refers to the case where force is applied to the outer ring. If a pressing force is applied at this time, scratches may occur on the rolling elements, which shortens the lifespan of the ball bearing. Therefore, when assembling the outer ring, a jig that directly presses the outer ring is used, and when press-fitting the inner ring, a jig that directly presses the inner ring is used to apply an even load to the circumferential surface while pushing it in. In addition, when adopting a structure that presses both the inner and outer rings, the rotating shaft and the housing must be fixed, and the pressing jig must be designed to push the inner and outer rings of the ball bearing simultaneously, so that both parts can be press-fitted in a single process. Accordingly, the automatic bearing supply device (10) according to an embodiment of the present invention includes a servo press (100), a bearing supply unit (200), a bearing positioning unit (300), a component fixing unit (400), and a controller (500), as shown in FIGS. 2 and 3. First, the servo press (100) is positioned in the longitudinal direction and serves to apply a specific pressure so that a bearing can be asse