CN220805495U - Waterproof structure of machine tool spindle - Google Patents
Waterproof structure of machine tool spindle Download PDFInfo
- Publication number
- CN220805495U CN220805495U CN202321703450.8U CN202321703450U CN220805495U CN 220805495 U CN220805495 U CN 220805495U CN 202321703450 U CN202321703450 U CN 202321703450U CN 220805495 U CN220805495 U CN 220805495U
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- end cover
- shell
- water
- main shaft
- groove
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 238000004078 waterproofing Methods 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 17
- 238000007789 sealing Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model belongs to the technical field of machine tool spindles, and particularly relates to a waterproof structure of a machine tool spindle, which comprises a shell, wherein a spindle is arranged in the shell and is connected with the spindle through a bearing, a first end cover is arranged on the side surface of the shell, a drain hole is formed in the first end cover, a second end cover is arranged on the side surface of the spindle, a first water flow channel is arranged between the first end cover and the spindle, a waterproof component is arranged between the second end cover and the shell, a second water flow channel is formed between the second shell and the shell, and the drain hole is communicated with the first water flow channel and the second water flow channel; through set up waterproof assembly between second end cover and casing to prevent when the wash port intakes, in infiltration bearing between second end cover and the casing, and then avoid causing the damage to the main shaft, guarantee the life of main shaft, and all communicate with each other wash port and first rivers passageway and second rivers passageway, thereby be convenient for water in first rivers passageway and the second rivers passageway flows from the wash port.
Description
Technical Field
The utility model belongs to the technical field of machine tool spindles, and particularly relates to a waterproof structure of a machine tool spindle.
Background
The main shaft of the machine tool refers to a shaft which drives a workpiece or a cutter to rotate on the machine tool; the main shaft component is usually composed of a main shaft, a bearing, a transmission member (a gear or a belt wheel) and the like; however, when the spindle is rotated for a period of time, the sealing element is worn, and the water enters the bearing to cause the damage of the spindle.
For example, chinese patent application No. (CN 202021150019.1) discloses a waterproof spindle, which comprises a spindle, a shaft sleeve, a plurality of groups of bearing devices, a spindle end cover and a shaft sleeve end cover, wherein the shaft sleeve is sleeved on the spindle, the bearing devices are arranged between the spindle and the shaft sleeve, the spindle end cover is connected with the spindle, the shaft sleeve end cover is connected with the shaft sleeve, and a plurality of water-draining grooves are arranged on the shaft sleeve end cover; this application is through seting up water drainage tank and seting up the rivers passageway, after waterproof sealing spare damages, will get into the main shaft end cover and the water between the axle sleeve end cover is derived, guarantee the water-proof effects, however, the water drainage tank of this application can be used as the drainage usefulness, but also can become the water inlet, and the main shaft end cover rotates along with the main shaft, clearance fit between its and the axle sleeve, in water gets into the bearing from wherein easily to cause the damage to the main shaft.
Disclosure of utility model
The utility model aims at solving the technical problems, and provides a waterproof structure of a machine tool spindle, which achieves the effects of good waterproof effect and guaranteeing the service life of the spindle.
In view of the above, the present utility model provides a waterproof structure for a spindle of a machine tool, comprising:
The shell is internally provided with a main shaft and is connected with the main shaft through a bearing;
the first end cover is arranged on the side surface of the shell and provided with a drain hole;
the second end cover is arranged on the side surface of the main shaft, and a first water flow channel is arranged between the second end cover and the first end cover;
The waterproof assembly is arranged between the second end cover and the shell, and a second water flow channel is formed between the second shell and the shell;
Wherein, the wash port is all linked together with first rivers passageway and second rivers passageway.
In this technical scheme, through set up waterproof assembly between second end cover and casing to prevent when the wash port intakes, in the infiltration bearing between second end cover and the casing, and then avoid causing the damage to the main shaft, guarantee the life of main shaft, and all communicate with each other wash port and first rivers passageway and second rivers passageway, thereby be convenient for the water in first rivers passageway and the second rivers passageway flows from the wash port.
In the above technical solution, further, the waterproof assembly includes:
the labyrinth structure is arranged between the second end cover and the shell and is used for preventing water between the second end cover and the shell;
The water throwing structure is arranged between the second end cover and the shell, is positioned on one side of the labyrinth structure away from the axis and is used for throwing out water entering between the second end cover and the shell.
In this technical scheme, through adopting the water throwing structure for the second end cover is when rotating along with the main shaft, throws away the water that will enter into in the second water flow channel, and then plays better first heavy water-proof effects, and rethread labyrinth structure carries out waterproofly, effectively guarantees that water enters into the bearing, thereby causes the damage to the main shaft.
In the above technical solution, further, the labyrinth structure includes:
the first annular groove is formed in one surface of the shell close to the second end cover;
The annular bulge is arranged on one surface of the second end cover, which is close to the shell, and is matched with the first annular groove.
In this technical scheme, through setting up first annular groove and annular arch to increase the resistance that rivers flow, thereby play better water-proof effects, avoid water to get into the bearing, cause the damage to the main shaft.
In the above technical solution, further, the labyrinth structure further includes:
the first stepped groove is formed in one surface, close to the axis, of the first annular groove;
The first extension part is positioned on one surface of the annular bulge, which is close to the axle center, and is matched with the first step groove.
In this technical scheme, through setting up first ladder groove and first extension, further improve the resistance that rivers got into, improve labyrinth structure's water-proof effects.
In the above technical solution, further, the labyrinth structure further includes:
The water draining groove is arranged between the second end cover and the shell and is positioned at one side of the annular bulge away from the axle center;
The second annular groove is formed in one surface, far away from the axis, of the first extension part and is arranged corresponding to the drainage groove.
In this technical scheme, through setting up water drainage tank and second annular groove to the rivers that are convenient for get into labyrinth structure flow out to second water flow channel, thereby be convenient for labyrinth mechanism drainage.
In the above technical scheme, further, the water throwing structure includes:
The second step groove is formed in the side face, close to the second end cover, of the shell and is positioned on one side, far from the axis, of the labyrinth structure;
the second extension part is positioned on the second end cover and corresponds to the second step groove;
The water throwing blades are multiple, and the circumference is installed on one surface of the second extension part, which is close to the second step groove, at equal intervals.
In this technical scheme, through setting up second ladder groove and second extension, improve the resistance that water got into second water flow channel, and then improve the water-proof effects, and get rid of water blade and can promote water to keeping away from axle center one side and throw away, and then effectively reduce the water yield that gets into labyrinth structure to effectively improve the water-proof effects.
In the above technical solution, further, the method further includes:
the sealing gasket is positioned between the main shaft and the second end cover;
the main shaft is fixedly connected with the second end cover through bolts.
In this technical scheme, through setting up sealed pad to improve the sealed effect of being close to axle center one side between second end cover and the main shaft, avoid water to get into the bearing from inside, cause the damage to the main shaft, and adopt bolted connection fixed, improve the installation and the dismantlement efficiency to the second end cover.
The beneficial effects of the utility model are as follows:
1. through set up waterproof assembly between second end cover and casing to prevent when the wash port intakes, in infiltration bearing between second end cover and the casing, and then avoid causing the damage to the main shaft, guarantee the life of main shaft, and all communicate with each other wash port and first rivers passageway and second rivers passageway, thereby be convenient for water in first rivers passageway and the second rivers passageway flows from the wash port.
2. Through adopting the water throwing structure for the second end cover is when rotating along with the main shaft, throws away the water that will enter into in the second water flow channel, and then plays better first heavy water-proof effects, and the rethread labyrinth structure is waterproof, effectively guarantees that water enters into the bearing, thereby causes the damage to the main shaft.
3. Through setting up sealed pad to improve the sealed effect of being close to axle center one side between second end cover and the main shaft, avoid water to get into the bearing from inside, lead to the fact the damage to the main shaft, and adopt bolted connection fixed, improve the installation and the dismantlement efficiency to the second end cover.
Drawings
FIG. 1 is an exploded view of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 2;
FIG. 4 is a schematic view of the construction of the second end cap of the present utility model;
The label in the figure is: 1. a housing; 2. a main shaft; 3. a bearing; 4. a first end cap; 5. a drain hole; 6. a second end cap; 7. a first water flow passage; 8. a waterproof assembly; 80. a labyrinth structure; 800. a first annular groove; 801. an annular protrusion; 802. a first stepped groove; 803. a first extension; 804. a drainage channel; 805. a second annular groove; 81. a water throwing structure; 810. a second stepped groove; 811. a second extension; 812. a water throwing blade; 9. a second water flow passage; 10. and a sealing gasket.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.
Example 1:
The embodiment provides a waterproof construction of lathe main shaft, includes:
The shell 1, the main shaft 2 is arranged in the shell 1, and is connected with the main shaft 2 through the bearing 3;
a first end cover 4, wherein the first end cover 4 is arranged on the side surface of the shell 1 and is provided with a drain hole 5;
the second end cover 6 is arranged on the side surface of the main shaft 2, and a first water flow channel 7 is arranged between the second end cover 6 and the first end cover 4;
A waterproof assembly 8, the waterproof assembly 8 is installed between the second end cover 6 and the housing 1, and a second water flow channel 9 is formed between the second housing 1 and the housing 1;
wherein the drain hole 5 is communicated with the first water flow channel 7 and the second water flow channel 9;
Among them, the first end cap 4 and the housing 1 are preferably connected by bolts, and the number of the drain holes 5 can be 1-3.
According to the embodiment, the waterproof assembly 8 is arranged between the second end cover 6 and the shell 1, so that when water enters the drain hole 5, water is prevented from penetrating into the bearing 3 from between the second end cover 6 and the shell 1, damage to the main shaft 2 is avoided, the service life of the main shaft 2 is ensured, the drain hole 5 is communicated with the first water flow channel 7 and the second water flow channel 9, and water in the first water flow channel 7 and the second water flow channel 9 can flow out of the drain hole 5 conveniently.
Example 2:
The present embodiment provides a waterproof structure of a machine tool spindle, which has the following technical features in addition to the technical scheme including the above embodiment, and the waterproof assembly 8 includes:
A labyrinth structure 80, the labyrinth structure 80 being installed between the second end cover 6 and the housing 1, and being used for waterproofing between the second end cover 6 and the housing 1;
The water throwing structure 81 is arranged between the second end cover 6 and the shell 1, is positioned on one side of the labyrinth structure 80 away from the axis, and is used for throwing out water entering between the second end cover 6 and the shell 1.
This embodiment can be seen that, through adopting the water throwing structure 81 for the second end cover 6 is when rotating along with main shaft 2, throws away the water that will enter into in the second water flow channel 9, and then plays better first heavy water-proof effects, and rethread labyrinth structure 80 carries out waterproofly, effectively guarantees that water enters into bearing 3, thereby causes the damage to main shaft 2.
Example 3:
The present embodiment provides a waterproof structure of a machine tool spindle, which has the following technical features in addition to the technical scheme including the above embodiment, and the labyrinth structure 80 includes:
the first annular groove 800 is formed on one surface of the shell 1 close to the second end cover 6;
The annular protrusion 801 is arranged on one surface of the second end cover 6 close to the shell 1 and is matched with the first annular groove 800;
Wherein, the annular protrusion 801 and the second end cover 6 are preferably integrally formed.
In this embodiment, it can be seen that by providing the first annular groove 800 and the annular protrusion 801, the resistance of the water flowing is increased, so that a better waterproof effect is achieved, and the water is prevented from entering the bearing 3, so that the main shaft 2 is damaged.
Example 4:
the present embodiment provides a waterproof structure of a machine tool spindle, which has the following technical features in addition to the technical scheme including the above embodiment, and the labyrinth structure 80 further includes:
A first step groove 802, wherein the first step groove 802 is formed on one surface of the first annular groove 800 near the axle center;
the first extension part 803, the first extension part 803 is located on one surface of the annular protrusion 801 close to the axle center, and is matched with the first step groove 802;
wherein, the extension part and the annular protrusion 801 are preferably integrally formed.
As can be seen from this embodiment, by providing the first stepped groove 802 and the first extension 803, the resistance to the inflow of water is further improved, and the waterproof effect of the labyrinth structure 80 is improved.
Example 5:
the present embodiment provides a waterproof structure of a machine tool spindle, which has the following technical features in addition to the technical scheme including the above embodiment, and the labyrinth structure 80 further includes:
The drainage groove 804, the drainage groove 804 is arranged between the second end cover 6 and the shell 1, and is positioned at one side of the annular protrusion 801 far away from the axle center;
The second annular groove 805 is formed on a surface of the first extension 803 away from the axis, and is disposed corresponding to the drain groove 804.
This embodiment can be seen to facilitate drainage of the labyrinth mechanism by providing a drainage channel 804 and a second annular groove 805 to facilitate the flow of water into the labyrinth structure 80 out to the second water flow channel 9.
Example 6:
The present embodiment provides a waterproof structure of a machine tool spindle, which has the following technical features in addition to the technical scheme including the above embodiment, and the water throwing structure 81 includes:
The second step groove 810 is formed in the side face, close to the second end cover 6, of the shell 1, and the second step groove 810 is located on one side, far from the axis, of the labyrinth structure 80;
The second extension part 811 is located on the second end cover 6 and is disposed corresponding to the second stepped groove 810;
the water throwing blades 812 are arranged on one surface of the second extending part 811 close to the second stepped groove 810 at equal intervals in circumference, and the water throwing blades 812 are a plurality of;
The second extension 811, the water throwing blade 812 and the second end cover 6 are preferably integrally formed.
This embodiment can be seen that, through setting up second ladder groove 810 and second extension 811, improve the resistance that water got into second water flow channel 9, and then improve the water-proof effects, and get rid of water blade 812 can promote water to getting away from axle center one side and throw away, and then effectively reduce the water yield that gets into labyrinth structure 80 to effectively improve the water-proof effects.
Example 7:
the present embodiment provides a waterproof structure of a machine tool spindle, which includes the following technical features in addition to the technical scheme of the above embodiment, and further includes:
A gasket 10, the gasket 10 being located between the spindle 2 and the second end cap 6;
The main shaft 2 and the second end cover 6 are fixedly connected through bolts; and the gasket 10 is preferably made of rubber.
It can be seen that this embodiment, through setting up sealing gasket 10 to improve the sealed effect of being close to axle center one side between second end cover 6 and the main shaft 2, avoid water to get into bearing 3 from inside, cause the damage to main shaft 2, and adopt bolted connection fixed, improve the installation and the dismantlement efficiency to second end cover 6.
The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.
Claims (3)
1. A waterproof structure of a machine tool spindle, comprising:
The device comprises a shell (1), wherein a main shaft (2) is arranged in the shell (1), and the shell is connected with the main shaft (2) through a bearing (3);
the first end cover (4) is arranged on the side surface of the shell (1), and is provided with a drain hole (5);
the second end cover (6), the said second end cover (6) is installed in the side of main shaft (2), and there is the first water flow channel (7) between the first end cover (4);
The waterproof assembly (8) is arranged between the second end cover (6) and the shell (1), and a second water flow channel (9) is formed between the second shell (1) and the shell (1);
Wherein the drain hole (5) is communicated with the first water flow channel (7) and the second water flow channel (9);
The waterproof assembly (8) comprises:
A labyrinth structure (80), the labyrinth structure (80) being mounted between the second end cap (6) and the housing (1) and being used for waterproofing between the second end cap (6) and the housing (1);
The water throwing structure (81) is arranged between the second end cover (6) and the shell (1), is positioned on one side of the labyrinth structure (80) away from the axis, and is used for throwing out water entering between the second end cover (6) and the shell (1);
The labyrinth structure (80) comprises:
The first annular groove (800) is formed in one surface of the shell (1) close to the second end cover (6);
The annular bulge (801) is arranged on one surface of the second end cover (6) close to the shell (1) and is matched with the first annular groove (800);
the first step groove (802), the first step groove (802) is arranged on one surface of the first annular groove (800) close to the axle center;
the first extension part (803) is positioned on one surface of the annular protrusion (801) close to the axle center and is matched with the first step groove (802);
The drainage groove (804) is formed between the second end cover (6) and the shell (1), and is positioned at one side of the annular protrusion (801) away from the axle center;
The second annular groove (805) is formed in one surface, far away from the axis, of the first extension portion (803), and the second annular groove (805) is arranged corresponding to the drainage groove (804).
2. The waterproof structure of a machine tool spindle according to claim 1, characterized in that the water-throwing structure (81) comprises:
The second step groove (810) is formed in the side face, close to the second end cover (6), of the shell (1), and the second step groove (810) is located on one side, far from the axis, of the labyrinth structure (80);
a second extension (811) located on the second end cap (6) and disposed in correspondence with the second stepped groove (810);
the number of the water throwing blades (812) is multiple, and the water throwing blades (812) are circumferentially and equidistantly arranged on one surface, close to the second stepped groove (810), of the second extension part (811).
3. The waterproof structure of a machine tool spindle according to claim 1, further comprising:
A gasket (10), the gasket (10) being located between the spindle (2) and the second end cap (6);
Wherein, the main shaft (2) and the second end cover (6) are connected and fixed through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321703450.8U CN220805495U (en) | 2023-06-30 | 2023-06-30 | Waterproof structure of machine tool spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321703450.8U CN220805495U (en) | 2023-06-30 | 2023-06-30 | Waterproof structure of machine tool spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220805495U true CN220805495U (en) | 2024-04-19 |
Family
ID=90710853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321703450.8U Active CN220805495U (en) | 2023-06-30 | 2023-06-30 | Waterproof structure of machine tool spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220805495U (en) |
-
2023
- 2023-06-30 CN CN202321703450.8U patent/CN220805495U/en active Active
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