Quick heat conduction structure for bearing of motorized spindle

Abstract

The utility model discloses a bearing quick heat conduction structure of motorized spindle, including motorized spindle's bearing inner race, first heat conduction block, clamping frame and motorized spindle's bearing heat conduction ring, the outer wall of motorized spindle's bearing inner race is provided with the first heat conduction block, and the outer wall of first heat conduction block is provided with the clamping frame, the inside of clamping frame is provided with ball, the ball is provided with the bearing heat conduction ring of motorized spindle's bearing heat conduction ring. A bearing heat conduction ring of the motorized spindle is arranged on the outer wall of the ball, a second heat conduction block making contact with the ball is arranged on the inner wall of the bearing heat conduction ring of the motorized spindle, a plurality of cooling fins are arranged on the outer wall of the bearing heat conduction ring of the motorized spindle, and a plurality of through holes are formed in the inner walls of the cooling fins; according to the device, the flexible heat conduction pad and the aluminum oxide heat conduction rubber are adopted, so that the heat conduction performance is improved, heat transfer media are reasonably selected, the heat dissipation performance is conveniently improved, heat absorbed by the bearing heat conduction ring of the electric spindle is rapidly dissipated through the heat dissipation fins, and further heat dissipation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spindle bearings, in particular to a fast heat conduction structure of an electric spindle bearing. Background Art

[0002] According to the type of bearings used, electric spindles can be divided into electric spindles supported by rolling bearings, air bearings, liquid sliding bearings and magnetic bearings. Among them, rolling bearings, air bearings and liquid sliding bearings are currently the most commonly used bearing types for electric spindles, while angular contact ball bearings can be made into various combinations to improve the load-bearing capacity and rigidity.

[0003] However, the existing rapid heat conduction structure of the electric spindle bearing has the following problems during use: the heat conduction effect of the conventional electric spindle bearing is average, and the service life is short and the reliability is low. Utility Model Content

[0004] The utility model aims to provide a fast heat conduction structure of a bearing of an electric spindle to solve the related problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rapid heat conduction structure for the bearing of an electric spindle, comprising an inner ring of the bearing of the electric spindle, a first heat conduction block, a clamping frame and a heat conduction ring of the bearing of the electric spindle, the outer wall of the inner ring of the bearing of the electric spindle is provided with the first heat conduction block, and the outer wall of the first heat conduction block is provided with the clamping frame, balls are provided inside the clamping frame, the outer wall of the balls is provided with the heat conduction ring of the bearing of the electric spindle, and the inner wall of the heat conduction ring of the bearing of the electric spindle is provided with a second heat conduction block in contact with the balls, the outer wall of the heat conduction ring of the bearing of the electric spindle is provided with a plurality of heat dissipation fins, and the inner wall of the heat dissipation fins is provided with a plurality of through holes.

[0006] The technical solution provides a rapid heat conduction structure for a bearing of an electric spindle, wherein the material of the first heat conduction block is a flexible heat conduction pad.

[0007] The technical solution provides a rapid heat conduction structure for a bearing of an electric spindle, wherein the material of the second heat conduction block is alumina heat conduction rubber.

[0008] The technical solution provides a rapid heat conduction structure of an electric spindle bearing, wherein the outer wall of the electric spindle bearing heat conduction ring is provided with an electric spindle bearing outer ring, and the outer wall of the electric spindle bearing outer ring is provided with a reinforcement layer.

[0009] The technical solution provides a fast heat-conducting structure for the bearing of an electric spindle, wherein the reinforcing layer is made of glass fiber reinforced plastic material.

[0010] Compared with the prior art, the utility model provides a fast heat conduction structure of the bearing of the electric spindle, which has the following beneficial effects:

[0011] 1. The utility model adopts flexible thermal pads and alumina thermally conductive rubber at the inner ring of the electric spindle bearing and the heat conductive ring of the electric spindle bearing, thereby increasing the thermal conductivity, reasonably selecting the heat transfer medium, and facilitating the improvement of the heat dissipation performance. The heat absorbed at the heat conductive ring of the electric spindle bearing is quickly dissipated through the heat dissipation fins, facilitating further heat dissipation.

[0012] 2. The utility model is provided with the outer ring of the electric spindle bearing through the outer wall of the electric spindle bearing heat conduction ring, and the strength and toughness can be increased by the glass fiber reinforced plastic material, and it has the hardness, high temperature resistance and corrosion resistance of glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 3 For the utility model Figure 2 A is an enlarged structural diagram of FIG.

[0016] In the figure: 1. inner ring of the electric spindle bearing; 2. first heat-conducting block; 3. clamping frame; 4. heat-conducting ring of the electric spindle bearing; 5. second heat-conducting block; 6. ball bearing; 7. cooling fin; 8. through hole; 9. outer ring of the electric spindle bearing. DETAILED DESCRIPTION

[0017] 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.

[0018] Embodiment 1, as Figure 1-2As shown, the utility model provides a technical solution: a rapid heat conduction structure of an electric spindle bearing, comprising an electric spindle bearing inner ring 1, a first heat conduction block 2, a clamping frame 3 and an electric spindle bearing heat conduction ring 4, the outer wall of the electric spindle bearing inner ring 1 is provided with the first heat conduction block 2, and the outer wall of the first heat conduction block 2 is provided with the clamping frame 3, the interior of the clamping frame 3 is provided with a ball 6, the outer wall of the ball 6 is provided with the electric spindle bearing heat conduction ring 4, and the inner wall of the electric spindle bearing heat conduction ring 4 is provided with a second heat conduction block 5 in contact with the ball 6, the material of the first heat conduction block 2 is a flexible heat conduction pad, and the material of the second heat conduction block 5 is alumina heat conduction rubber, the flexible heat conduction pad and the alumina heat conduction rubber are used at the electric spindle bearing inner ring 1 and the electric spindle bearing heat conduction ring 4, so as to increase the thermal conductivity, and reasonably select the heat transfer medium to improve the heat dissipation performance.

[0019] Embodiment 2, as Figure 1-3 As shown, the utility model provides a technical solution: a rapid heat conduction structure of an electric spindle bearing, comprising a plurality of heat dissipation fins 7 provided on the outer wall of the electric spindle bearing heat conduction ring 4, and a plurality of through holes 8 are opened on the inner wall of the heat dissipation fin 7, an electric spindle bearing outer ring 9 is provided on the outer wall of the electric spindle bearing heat conduction ring 4, and a reinforcing layer is provided on the outer wall of the electric spindle bearing outer ring 9, the reinforcing layer is made of glass fiber reinforced plastic material, and the heat absorbed at the electric spindle bearing heat conduction ring 4 is quickly dissipated through the heat dissipation fins 7, so as to facilitate further heat dissipation, in addition, the outer wall of the electric spindle bearing heat conduction ring 4 is provided with the electric spindle bearing outer ring 9, and the strength and toughness can be increased by the glass fiber reinforced plastic material, and the glass fiber reinforced plastic material has the hardness, high temperature resistance and corrosion resistance of glass.

[0020] Working principle: First, flexible thermal pads and alumina thermal rubber are used at the inner ring 1 of the electric spindle bearing and the thermal ring 4 of the electric spindle bearing to increase the thermal conductivity. Reasonable selection of heat transfer medium is convenient for improving the heat dissipation performance. The heat absorbed by the thermal ring 4 of the electric spindle bearing is quickly dissipated through the heat dissipation fins 7 to further dissipate the heat. In addition, the outer wall of the thermal ring 4 of the electric spindle bearing is provided with the outer ring 9 of the electric spindle bearing, and the strength and toughness can be increased by glass fiber reinforced plastic material.

[0021] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A fast heat conduction structure for a bearing of an electric spindle, comprising an inner ring (1) of a bearing of the electric spindle, a first heat conduction block (2), a clamping frame (3) and a heat conduction ring (4) of the bearing of the electric spindle, characterized in that: The outer wall of the inner ring (1) of the electric spindle bearing is provided with a first heat-conducting block (2), and the outer wall of the first heat-conducting block (2) is provided with a clamping frame (3), a ball (6) is provided inside the clamping frame (3), the outer wall of the ball (6) is provided with the heat-conducting ring (4) of the electric spindle bearing, and the inner wall of the heat-conducting ring (4) of the electric spindle bearing is provided with a second heat-conducting block (5) in contact with the ball (6), the outer wall of the heat-conducting ring (4) of the electric spindle bearing is provided with a plurality of heat-dissipating fins (7), and the inner wall of the heat-dissipating fins (7) is provided with a plurality of through holes (8).

2. The rapid heat conduction structure of the electric spindle bearing according to claim 1, characterized in that: The material of the first heat-conducting block (2) is a flexible heat-conducting pad.

3. The rapid heat conduction structure of the electric spindle bearing according to claim 1, characterized in that: The material of the second heat-conducting block (5) is alumina heat-conducting rubber.

4. The rapid heat conduction structure of the electric spindle bearing according to claim 1, characterized in that: The outer wall of the electric spindle bearing heat conduction ring (4) is provided with the electric spindle bearing outer ring (9), and the outer wall of the electric spindle bearing outer ring (9) is provided with a reinforcement layer.

5. The rapid heat conduction structure of the electric spindle bearing according to claim 4, characterized in that: The reinforcement layer is made of glass fiber reinforced plastics.

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