CN107877257B - X-axis and Z-axis heat radiation structure of numerical control machine tool - Google Patents
X-axis and Z-axis heat radiation structure of numerical control machine tool Download PDFInfo
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- CN107877257B CN107877257B CN201711427990.7A CN201711427990A CN107877257B CN 107877257 B CN107877257 B CN 107877257B CN 201711427990 A CN201711427990 A CN 201711427990A CN 107877257 B CN107877257 B CN 107877257B
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- heat dissipation
- axis bearing
- bearing seat
- screw rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Machine Tool Units (AREA)
Abstract
The invention relates to an X-axis and Z-axis heat radiation structure of a numerical control machine tool, which comprises the following components: the X-axis screw rod is provided with X-axis bearing mechanisms at two ends respectively, the X-axis bearing mechanisms comprise X-axis bearing seats and X-axis bearings, and the X-axis bearings are arranged in the X-axis bearing seats and are in rotary connection with the X-axis screw rod; the two ends of the Z-axis screw rod are respectively provided with a Z-axis bearing mechanism, the Z-axis bearing mechanism comprises a Z-axis bearing seat and a Z-axis bearing, and the Z-axis bearing is arranged in the X-axis bearing seat and is in rotary connection with the Z-axis screw rod; the heat dissipation structure also comprises a cooling oil tank provided with an output end and an input end, and a heat dissipation channel arranged in the X-axis bearing seat and the Z-axis bearing seat, wherein the heat dissipation channel is provided with an inlet end and an outlet end; the output end and the input end of the cooling oil tank are respectively connected with the inlet end and the outlet end of the heat dissipation channel, and the output end, the inlet end, the outlet end and the input end sequentially form heat dissipation oil circuit circulation. The cooling box can continuously convey cooling oil to the X-axis screw rod and the Z-axis screw rod for heat dissipation.
Description
Technical Field
The invention relates to a numerical control machine tool, in particular to an X-axis and Z-axis heat radiation structure of the numerical control machine tool.
Background
The numerical control machine tool is provided with an X-axis screw rod and a Z-axis screw rod which are used for enabling the processing table to move, and when the numerical control machine tool works, heat dissipation is needed.
In the prior art, the air cooling mode is adopted for heat dissipation, or the oil immersing mode is adopted for heat dissipation, or the heat dissipation pipeline is penetrated in the X-axis screw rod or the Z-axis screw rod, and the cooling liquid is introduced into the heat dissipation pipeline for heat dissipation. The air cooling mode has poor heat dissipation effect, the oil immersion mode occupies larger internal space of the numerical control machine tool, the oil usage amount is large, the strength of the X-axis screw rod or the Z-axis screw rod is reduced by the mode of arranging the heat dissipation pipeline, and the processing difficulty of the heat dissipation pipeline is large.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the X-axis and Z-axis heat dissipation structure of the numerical control machine tool, which has good heat dissipation effect and small occupied space and does not influence the strength of the X-axis screw rod and the Z-axis screw rod.
The purpose of the invention is realized in the following way:
an X-axis and Z-axis heat dissipation structure of a numerically-controlled machine tool, comprising:
the X-axis screw rod is provided with X-axis bearing mechanisms at two ends respectively, the X-axis bearing mechanisms comprise X-axis bearing seats and X-axis bearings, and the X-axis bearings are arranged in the X-axis bearing seats and are in rotary connection with the X-axis screw rod;
the two ends of the Z-axis screw rod are respectively provided with a Z-axis bearing mechanism, the Z-axis bearing mechanism comprises a Z-axis bearing seat and a Z-axis bearing, and the Z-axis bearing is arranged in the Z-axis bearing seat and is in rotary connection with the Z-axis screw rod;
the heat dissipation structure also comprises a cooling oil tank provided with an output end and an input end, and a heat dissipation channel arranged in the X-axis bearing seat and the Z-axis bearing seat, wherein the heat dissipation channel is provided with an inlet end and an outlet end; the output end and the input end of the cooling oil tank are respectively connected with the inlet end and the outlet end of the heat dissipation channel, and the output end, the inlet end, the outlet end and the input end sequentially form a heat dissipation oil path circulation.
The heat dissipation channel comprises an inlet end, an outlet end, a heat dissipation ring and a heat dissipation groove cover, wherein the heat dissipation ring is annular, is opened and is annularly arranged on the X-axis bearing seat or the Z-axis bearing seat, the inlet end and the outlet end are arranged on the X-axis bearing seat or the Z-axis bearing seat and are communicated with the heat dissipation ring, and the heat dissipation groove cover is sealed and connected to the heat dissipation ring, so that the heat dissipation channel is formed by the inlet end, the heat dissipation ring and the outlet end.
The heat dissipation ring is coaxially arranged with the X-axis bearing seat or the Z-axis bearing seat.
And an auxiliary heat dissipation channel communicated with the heat dissipation ring and the X-axis bearing or the Z-axis bearing is arranged on the X-axis bearing seat or the Z-axis bearing seat.
The heat dissipation channel comprises an inlet end, an outlet end, heat dissipation grooves and plugs, wherein the heat dissipation grooves are long-strip-shaped and penetrate into an X-axis bearing seat or a Z-axis bearing seat in a crisscross manner, the heat dissipation grooves which are crisscross penetrate into the X-axis bearing seat or the Z-axis bearing seat are mutually communicated in the X-axis bearing seat or the Z-axis bearing seat, the heat dissipation grooves form a plurality of openings on the X-axis bearing seat or the Z-axis bearing seat, two openings form an inlet end and an outlet end, the plugs are connected onto other openings in a sealing mode, and the inlet end, the heat dissipation grooves and the outlet ends form the heat dissipation channel.
The at least one heat dissipation groove is communicated with the X-axis bearing or the Z-axis bearing.
And an X-axis oil seal for sealing the X-axis screw rod, the X-axis bearing seat and the X-axis bearing is arranged on the X-axis bearing seat.
And a Z-axis oil seal for sealing the Z-axis screw rod, the Z-axis bearing seat and the Z-axis bearing is arranged on the Z-axis bearing seat.
The cooling oil tank is provided with a pump for enabling the cooling oil in the cooling oil tank to be output from the output end.
The output end is connected with the inlet end of the heat dissipation channel through the first five-way interface component, and the outlet end of the heat dissipation channel is connected with the input end through the first five-way interface component.
The beneficial effects of the invention are as follows:
the heat generated by the X-axis screw rod and the Z-axis screw rod during working can be directly transferred to the X-axis bearing mechanism and the Z-axis bearing mechanism, the cooling box is communicated with the cooling channels arranged on the X-axis bearing mechanism and the Z-axis bearing mechanism, and cooling oil is continuously conveyed to the X-axis bearing mechanism and the Z-axis bearing mechanism for cooling, so that the X-axis screw rod and the Z-axis screw rod are cooled, and the cooling effect is good.
The cooling box does not occupy the internal space of the numerical control machine, the heat dissipation channel is directly arranged on the X-axis bearing mechanism and the Z-axis bearing mechanism, the internal space of the numerical control machine is not required to be occupied, and the usable processing space of the numerical control machine is not influenced.
The X-axis screw rod and the Z-axis screw rod do not need to be communicated with a heat dissipation pipeline, so that the strength of the X-axis screw rod and the Z-axis screw rod is not affected, and the loading capacity of the numerical control machine tool is maintained.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
FIG. 2 is a top view (in cross section) of an X-axis bearing mechanism according to an embodiment of the invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-2, the X-axis and Z-axis heat dissipation structure of the present numerical control machine tool includes:
the X-axis screw rod 1 is provided with X-axis bearing mechanisms at two ends respectively, the X-axis bearing mechanisms comprise an X-axis bearing seat 11 and an X-axis bearing 12, and the X-axis bearing 12 is arranged in the X-axis bearing seat 11 and is in rotary connection with the X-axis screw rod 1;
the two ends of the Z-axis screw rod 2 are respectively provided with a Z-axis bearing mechanism, the Z-axis bearing mechanism comprises a Z-axis bearing seat 21 and a Z-axis bearing 22, and the Z-axis bearing 22 is arranged in the X-axis bearing seat 21 and is in rotary connection with the Z-axis screw rod 2;
the heat dissipation structure further comprises a cooling oil tank 3 provided with an output end 31 and an input end 32, and a heat dissipation channel arranged in the X-axis bearing seat 11 and the Z-axis bearing seat 21, wherein the heat dissipation channel is provided with an inlet end 41 and an outlet end 42; the output end 31 and the input end 32 of the cooling oil tank 3 are respectively connected with the inlet end 41 and the outlet end 42 of the heat dissipation channel, and the output end 31, the inlet end 41, the outlet end 42 and the input end 32 sequentially form a heat dissipation oil path circulation through pipelines and the like.
When the numerical control machine tool works, heat generated by the X-axis screw rod 1 and the Z-axis screw rod 2 during working can be directly transferred to the X-axis bearing mechanism and the Z-axis bearing mechanism, the cooling box 3 is communicated with a cooling channel arranged on the X-axis bearing mechanism and the Z-axis bearing mechanism, and cooling oil is continuously conveyed to the X-axis bearing mechanism and the Z-axis bearing mechanism for cooling, so that the X-axis screw rod 1 and the Z-axis screw rod 2 are cooled, and the cooling effect is good.
The cooling box 3 can be arranged outside the numerical control machine, does not occupy the internal space of the numerical control machine, and the heat dissipation channel is directly arranged on the X-axis bearing mechanism and the Z-axis bearing mechanism, so that the internal space of the numerical control machine is not required to be occupied, and the usable processing space of the numerical control machine is not influenced.
The X-axis screw rod 1 and the Z-axis screw rod 2 do not need to be penetrated and provided with heat dissipation pipelines, so that the strength of the X-axis screw rod 1 and the Z-axis screw rod is kept unaffected, the processing difficulty of the X-axis screw rod is reduced, and the loading capacity of the numerical control machine tool is kept.
Further, the heat dissipation channel includes an inlet end 41, an outlet end 42, a heat dissipation ring 43 and a heat dissipation groove cover 44, the heat dissipation ring 43 is annular, is opened and is annularly arranged on the X-axis bearing seat 11 or the Z-axis bearing seat 21, the inlet end 41 and the outlet end 42 are arranged on the X-axis bearing seat 11 or the Z-axis bearing seat 21 and are communicated with the heat dissipation ring 43, and the heat dissipation groove cover 44 is sealed and connected to the heat dissipation ring 43, so that the inlet end 41, the heat dissipation ring 43 and the outlet end 42 form the heat dissipation channel.
Further, the heat dissipation ring 43 is disposed coaxially with the X-axis bearing housing 11 or the Z-axis bearing housing 21.
Further, the X-axis bearing seat 11 or the Z-axis bearing seat 21 is provided with a secondary heat dissipation channel 47 which is communicated with the heat dissipation ring 43 and the X-axis bearing 12 or the Z-axis bearing 22, so that the cooling oil of the cooling tank 3 can directly contact with the X-axis bearing 12 or the Z-axis bearing seat 21 for heat dissipation, and the heat dissipation effect is better.
In this embodiment, the inlet port 41, the outlet port 42, the heat dissipation ring 43, the heat dissipation groove cover 44, and the sub heat dissipation channel 47 are provided on the X-axis bearing housing 11 to constitute the aforementioned heat dissipation channel, which plays a role in continuously supplying cooling oil to the X-axis bearing housing 11 and the X-axis bearing 12 for heat dissipation.
Further, the heat dissipation channel includes an inlet end 41, an outlet end 42, heat dissipation grooves 45 and a plug 46, the heat dissipation grooves 45 are elongated, and penetrate into the X-axis bearing seat 11 or the Z-axis bearing seat 21 in a crisscross manner, the heat dissipation grooves 45 in the crisscross manner are mutually communicated in the X-axis bearing seat 11 or the Z-axis bearing seat 21, the heat dissipation grooves 45 form a plurality of openings in the X-axis bearing seat 11 or the Z-axis bearing seat 21, wherein two openings form the inlet end 41 and the outlet end 42, the plug 46 is sealed and connected to other openings, and the inlet end 41, the heat dissipation grooves 45 and the outlet end 42 form the heat dissipation channel.
Further, the at least one heat dissipation groove 45 is communicated with the X-axis bearing 12 or the Z-axis bearing 22, so that the cooling oil of the cooling box 3 can directly contact with the X-axis bearing 12 or the Z-axis bearing seat 21 for heat dissipation, and the heat dissipation effect is better.
In this embodiment, the inlet end 41, the outlet end 42, the heat dissipation groove 45 and the plug 46 are provided on the Z-axis bearing housing 21 to form the aforementioned heat dissipation channel, which plays a role of continuously conveying the cooling oil for the Z-axis bearing housing 21 and the Z-axis bearing 22 to dissipate heat.
The X-axis bearing seat 11 is provided with an X-axis oil seal 51 for sealing the X-axis screw rod 1, the X-axis bearing seat 11 and the X-axis bearing 12, so as to prevent the leakage of cooling oil. The Z-axis bearing seat 21 is provided with a Z-axis oil seal 52 for sealing the Z-axis screw rod 2, the Z-axis bearing seat 21 and the Z-axis bearing 22, and also prevents the leakage of cooling oil.
Further, the cooling oil tank 3 is provided with a pump for outputting the internal cooling oil from the output end 31, so as to power the cooling oil circulation of the cooling oil tank 3.
Further, the output port 31 is connected to the inlet port 41 of the heat dissipation channel through the first five-way interface assembly 61, and the outlet port 42 of the heat dissipation channel is connected to the input port 32 through the second five-way interface assembly 62. The first five-way interface assembly 61 and the second five-way interface assembly 62 function as a confluence, which helps to simplify the layout of the piping.
The above disclosure is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (8)
1. An X-axis and Z-axis heat dissipation structure of a numerically-controlled machine tool, comprising:
the X-axis screw rod (1) is provided with X-axis bearing mechanisms at two ends respectively, the X-axis bearing mechanisms comprise an X-axis bearing seat (11) and an X-axis bearing (12), and the X-axis bearing (12) is installed in the X-axis bearing seat (11) and is in rotary connection with the X-axis screw rod (1);
the two ends of the Z-axis screw rod (2) are respectively provided with a Z-axis bearing mechanism, the Z-axis bearing mechanism comprises a Z-axis bearing seat (21) and a Z-axis bearing (22), and the Z-axis bearing (22) is installed in the Z-axis bearing seat (21) and is rotationally connected with the Z-axis screw rod (2);
it is characterized in that the method comprises the steps of,
the heat dissipation structure also comprises a cooling oil tank (3) provided with an output end (31) and an input end (32), and a heat dissipation channel arranged in the X-axis bearing seat (11) and the Z-axis bearing seat (21), wherein the heat dissipation channel is provided with an inlet end (41) and an outlet end (42); the output end (31) and the input end (32) of the cooling oil tank (3) are respectively connected with the inlet end (41) and the outlet end (42) of the heat dissipation channel, and the output end (31), the inlet end (41), the outlet end (42) and the input end (32) sequentially form a heat dissipation oil circuit;
the heat dissipation channel comprises a heat dissipation ring (43) and a heat dissipation groove cover (44), the heat dissipation ring (43) is annular, is opened and is annularly arranged on the X-axis bearing seat (11) or the Z-axis bearing seat (21), the inlet end (41) and the outlet end (42) are arranged on the X-axis bearing seat (11) or the Z-axis bearing seat (21) and are communicated with the heat dissipation ring (43), and the heat dissipation groove cover (44) is sealed and connected to the heat dissipation ring (43) in a sealing manner, so that the heat dissipation channel is formed by the inlet end (41), the heat dissipation ring (43) and the outlet end (42);
the heat dissipation channel comprises heat dissipation grooves (45) and plugs (46), the heat dissipation grooves (45) are long strips, the heat dissipation grooves (45) penetrate into the X-axis bearing seat (11) or the Z-axis bearing seat (21) in a crisscross manner, the heat dissipation grooves (45) are communicated with each other in the X-axis bearing seat (11) or the Z-axis bearing seat (21), the heat dissipation grooves (45) form a plurality of openings on the X-axis bearing seat (11) or the Z-axis bearing seat (21), two openings form an inlet end (41) and an outlet end (42), the plugs (46) are connected to other openings in a sealing mode, and the inlet end (41), the heat dissipation grooves (45) and the outlet end (42) form the heat dissipation channel;
an auxiliary heat dissipation channel (47) communicated with the heat dissipation ring (43) and the X-axis bearing (12) or the Z-axis bearing (22) is arranged on the X-axis bearing seat (11) or the Z-axis bearing seat (21).
2. The X-axis and Z-axis heat radiation structure of the numerical control machine according to claim 1, wherein the heat radiation ring (43) is coaxially disposed with the X-axis bearing housing (11) or the Z-axis bearing housing (21).
3. The X-axis and Z-axis heat dissipation structure of a numerically-controlled machine tool according to claim 1, wherein the heat dissipation channel comprises an inlet end (41), an outlet end (42), heat dissipation grooves (45) and plugs (46), the heat dissipation grooves (45) are long strips, the heat dissipation grooves (45) penetrate into the X-axis bearing seat (11) or the Z-axis bearing seat (21) in a crisscross manner, the heat dissipation grooves (45) are communicated with each other in the X-axis bearing seat (11) or the Z-axis bearing seat (21), the heat dissipation grooves (45) form a plurality of openings in the X-axis bearing seat (11) or the Z-axis bearing seat (21), two openings form an inlet end (41) and an outlet end (42), the plugs (46) are sealed and connected to other openings, and the inlet end (41), the heat dissipation grooves (45) and the outlet end (42) form the heat dissipation channel.
4. The X-axis and Z-axis heat dissipating structure of a numerically controlled machine tool according to claim 1, wherein said at least one heat dissipating groove (45) communicates with an X-axis bearing (12) or a Z-axis bearing (22).
5. The X-axis and Z-axis heat radiation structure of the numerical control machine tool according to claim 1, wherein an X-axis oil seal (51) for sealing the X-axis screw rod (1), the X-axis bearing block (11) and the X-axis bearing (12) is provided on the X-axis bearing block (11).
6. The X-axis and Z-axis heat radiation structure of the numerical control machine according to claim 1, wherein a Z-axis oil seal (52) for sealing the Z-axis screw rod (2), the Z-axis bearing block (21) and the Z-axis bearing (22) is provided on the Z-axis bearing block (21).
7. The X-axis and Z-axis heat radiation structure of the numerical control machine according to claim 1, wherein the cooling oil tank (3) is provided with a pump for outputting the internal cooling oil from the output end (31).
8. The X-axis and Z-axis heat dissipating structure of a numerically controlled machine tool according to any one of claims 1-7, wherein the output end (31) is connected to an inlet end (41) of a heat dissipating channel through a first five-way interface assembly (61), and an outlet end (42) of the heat dissipating channel is connected to the input end (32) through a second five-way interface assembly (62).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711427990.7A CN107877257B (en) | 2017-12-26 | 2017-12-26 | X-axis and Z-axis heat radiation structure of numerical control machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711427990.7A CN107877257B (en) | 2017-12-26 | 2017-12-26 | X-axis and Z-axis heat radiation structure of numerical control machine tool |
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| CN107877257A CN107877257A (en) | 2018-04-06 |
| CN107877257B true CN107877257B (en) | 2023-08-11 |
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| Publication number | Publication date |
|---|---|
| CN107877257A (en) | 2018-04-06 |
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