Main shaft waterproof structure

Abstract

The utility model belongs to the technical field of main shafts, and particularly discloses a main shaft waterproof structure which comprises a main shaft body and a sleeve, the sleeve is arranged on the outer side of the main shaft body, a labyrinth end cover is arranged at the end of the sleeve, a water leakage hole is formed in the labyrinth end cover, a water leakage receiving block is arranged at the position of the water leakage hole, and the water leakage receiving block is attached to the labyrinth end cover and the sleeve. A steering channel corresponding to the water leakage hole is formed in the side, attached to the labyrinth end cover, of the water leakage receiving block, an opening is formed in the end of the sleeve, a water outlet groove corresponding to the opening is formed in the side, attached to the sleeve, of the water leakage receiving block, a first embedding strip is arranged on the outer side of the steering channel, and a second embedding strip is arranged on the side face of the water outlet groove. The labyrinth end cover is provided with a first clamping groove matched with the first embedding strip and a second clamping groove matched with the second embedding strip, rubber pads are arranged in the first clamping groove and the second clamping groove, and the sealing performance between the water leakage receiving block and the labyrinth end cover and the sealing performance between the water leakage receiving block and the sleeve are improved through the first embedding strip and the second embedding strip.

Description

Technical Field

[0001] The utility model relates to the technical field of main shafts, in particular to a waterproof structure of a main shaft. Background Art

[0002] The spindle refers to the axis on the machine tool that drives the workpiece or tool to rotate. It is usually composed of the spindle, bearings and transmission parts (gears or pulleys). In the machine, it is mainly used to support transmission parts such as gears and pulleys to transmit motion and torque.

[0003] Most of the existing spindle front ends use labyrinth seals, but when performing air gun cleaning or high-pressure cooling, iron filings or coolant can easily enter the spindle. Therefore, some people think of setting a leak block at the leak, such as the Chinese utility model patent with announcement number CN216078306U, which specifically discloses a spindle waterproof sealing structure.

[0004] However, during actual use of the above-mentioned spindle, people will find that the water leakage joint block used on the spindle is directly fitted with the end cover and the sleeve, and its sealing performance is poor. During operation, the coolant can easily leak out from the bottom of the water leakage joint block, causing leakage, and its practicality is poor. Utility Model Content

[0005] The purpose of the utility model is to provide a main shaft waterproof structure to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a main shaft waterproof structure, comprising a main shaft body and a sleeve, the sleeve is arranged on the outside of the main shaft body, a labyrinth end cover is arranged at the end of the sleeve, a water leakage hole is opened on the labyrinth end cover, a water leakage connection block is arranged at the water leakage hole, the water leakage connection block is fitted with the labyrinth end cover and the sleeve, a turning channel corresponding to the water leakage hole is opened on the side where the water leakage connection block is fitted with the labyrinth end cover, an opening is opened at the end of the sleeve, a water outlet groove corresponding to the opening is opened on the side where the water leakage connection block is fitted with the sleeve, and the turning channel is connected to the water outlet groove. They are interconnected, a first embedding strip is arranged on the outside of the turning channel, a second embedding strip is arranged on the side of the water outlet groove, the first embedding strip and the second embedding strip are connected to each other, a first card groove cooperating with the first embedding strip is arranged on the labyrinth end cover, a second card groove cooperating with the second embedding strip is arranged on the labyrinth end cover, the first embedding strip and the second embedding strip are respectively embedded in the first card groove and the second card groove, rubber pads are arranged in the first card groove and the second card groove, and the sealing between the leakage connection block and the labyrinth end cover and the sleeve is improved by the first embedding strip and the second embedding strip.

[0007] Preferably, the water leakage connection block is provided with a through fixing hole, and the fixing hole is used for fixing with a bolt and a sleeve.

[0008] Preferably, a chamfered surface is provided on the outer side of the water leakage connection block.

[0009] Preferably, the first engaging strip and the first card slot are both U-shaped.

[0010] Preferably, the first embedding strip, the second embedding strip and the water leakage connection block are integrally formed.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model can reduce the impact force of iron filings or coolant by the provision of a water leakage connection block, improve the protection capability, and extend the life of the main shaft. The first interlocking strip and the second interlocking strip are respectively interlocked in the first card groove and the second card groove to improve the sealing between the water leakage connection block and the labyrinth end cover and the sleeve, thereby avoiding the phenomenon of side leakage and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 It is a schematic diagram of the structure of the leaking connection block of the utility model.

[0015] In the figure: 1, sleeve; 101, second slot; 2, labyrinth end cover; 201, first slot; 3, water leakage connection block; 301, chamfered surface; 302, fixing hole; 303, turning channel; 304, water outlet groove; 305, first fitting strip; 306, second fitting strip. 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] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-2 The utility model provides a technical solution: a main shaft waterproof structure, including a main shaft body and a sleeve 1, the sleeve 1 is arranged on the outside of the main shaft body, a labyrinth end cover 2 is arranged at the end of the sleeve 1, a water leakage hole is opened on the labyrinth end cover 2, a water leakage connection block 3 is arranged at the water leakage hole, the water leakage connection block 3 is fitted with the labyrinth end cover 2 and the sleeve 1, a turning channel 303 corresponding to the water leakage hole is opened on the side where the water leakage connection block 3 and the labyrinth end cover 2 are fitted, an opening is opened at the end of the sleeve 1, a water outlet groove 304 corresponding to the opening is opened on the side where the water leakage connection block 3 and the sleeve 1 are fitted, the turning channel 303 is communicated with the water outlet groove 304, and a first embedded The first embedding strip 305 and the second embedding strip 306 are arranged on the side of the water outlet groove 304, the first embedding strip 305 and the second embedding strip 306 are connected to each other, the labyrinth end cover 2 is provided with a first card groove 201 matched with the first embedding strip 305, and the labyrinth end cover 2 is provided with a second card groove 101 matched with the second embedding strip 306, the first embedding strip 305 and the second embedding strip 306 are respectively embedded in the first card groove 201 and the second card groove 101, and rubber pads are arranged in the first card groove 201 and the second card groove 101, and the first embedding strip 305 and the second embedding strip 306 are used to improve the sealing between the leakage connection block 3 and the labyrinth end cover 2 and the sleeve 1 respectively.

[0020] Furthermore, a through fixing hole 302 is provided on the water leakage connection block 3 , and the fixing hole 302 is used for fixing with a bolt and the sleeve 1 .

[0021] Furthermore, a chamfered surface 301 is provided on the outer side of the water leakage connection block 3 .

[0022] Furthermore, the first engaging strip 305 and the first locking slot 201 are both U-shaped.

[0023] Furthermore, the first embedding strip 305 and the second embedding strip 306 are integrally formed with the water leakage connection block 3 .

[0024] In summary, when the utility model is in use, the fixing hole 302 on the water leakage connection block 3 is used to cooperate with the road to fix it on the sleeve 1, and the first interlocking strip 305 and the second interlocking strip 306 are respectively interlocked in the first card slot 201 and the second card slot 101. When in use, the water leakage connection block 3 can reduce the impact of iron filings or coolant, improve the protection ability, and extend the life of the spindle. During use, due to the cooperation of the first interlocking strip 305 and the second interlocking strip 306 with the first card slot 201 and the second card slot 101, the sealing between the water leakage connection block 3 and the labyrinth end cover 2 and the sleeve 1 can be effectively improved to avoid side leakage between the water leakage connection block 3 and the labyrinth end cover 2 and the sleeve 1.

[0025] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0026] 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. A main shaft waterproof structure, characterized in that: The invention comprises a main shaft body and a sleeve (1), wherein the sleeve (1) is arranged on the outside of the main shaft body, a labyrinth end cover (2) is arranged at the end of the sleeve (1), a water leakage hole is provided on the labyrinth end cover (2), a water leakage connection block (3) is arranged at the water leakage hole, the water leakage connection block (3) is fitted with the labyrinth end cover (2) and the sleeve (1), a turning channel (303) corresponding to the water leakage hole is provided on the side where the water leakage connection block (3) is fitted with the labyrinth end cover (2), an opening is provided at the end of the sleeve (1), a water outlet groove (304) corresponding to the opening is provided on the side where the water leakage connection block (3) is fitted with the sleeve (1), the turning channel (303) is communicated with the water outlet groove (304), and the turning channel (303) is connected with the water outlet groove (304). A first engaging strip (305) is arranged on the outer side of the water outlet groove (304), and a second engaging strip (306) is arranged on the side of the water outlet groove (304). The first engaging strip (305) and the second engaging strip (306) are connected to each other. A first clamping groove (201) cooperating with the first engaging strip (305) is provided on the labyrinth end cover (2), and a second clamping groove (101) cooperating with the second engaging strip (306) is provided on the labyrinth end cover (2). The first engaging strip (305) and the second engaging strip (306) are respectively engaged in the first clamping groove (201) and the second clamping groove (101). Rubber pads are arranged in the first clamping groove (201) and the second clamping groove (101).

2. A main shaft waterproof structure according to claim 1, characterized in that: The water leakage connection block (3) is provided with a through fixing hole (302).

3. The main shaft waterproof structure according to claim 1, characterized in that: The outer side of the water leakage connection block (3) is provided with a chamfered surface (301).

4. A main shaft waterproof structure according to claim 1, characterized in that: The first engaging strip (305) and the first locking groove (201) are both U-shaped.

5. The main shaft waterproof structure according to claim 1, characterized in that: The first engaging strip (305) and the second engaging strip (306) are integrally formed with the water leakage connection block (3).

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