CN111211641A - Digit control machine tool high-speed motor main shaft heat abstractor - Google Patents
Digit control machine tool high-speed motor main shaft heat abstractor Download PDFInfo
- Publication number
- CN111211641A CN111211641A CN202010140385.7A CN202010140385A CN111211641A CN 111211641 A CN111211641 A CN 111211641A CN 202010140385 A CN202010140385 A CN 202010140385A CN 111211641 A CN111211641 A CN 111211641A
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- CN
- China
- Prior art keywords
- heat dissipation
- speed motor
- dissipation shell
- machine tool
- control machine
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a heat dissipation device for a high-speed motor spindle of a numerical control machine tool, which relates to the technical field of motor spindles and comprises a high-speed motor, wherein an installation cylinder is arranged on one side of the output end of the high-speed motor, a high-speed coupler is arranged in the installation cylinder, a heat dissipation shell is arranged on one side of the installation cylinder, which is far away from the high-speed motor, a spindle is arranged in the heat dissipation shell, a groove is arranged on the heat dissipation shell, a cold liquid cavity is arranged on the wall of the heat dissipation shell at the position of the groove, a plurality of annular cold liquid pipes are arranged below the cold liquid cavity in a penetrating manner, the annular cold liquid pipes are fixedly connected with the inner wall of the heat dissipation shell, a liquid inlet hole and a liquid outlet hole are respectively arranged at the groove positions of the top and the bottom of the heat dissipation shell, air inlet holes and air outlet holes, the device has the advantages of high heat dissipation efficiency, good heat dissipation effect, long service life and convenient disassembly and assembly.
Description
Technical Field
The invention relates to the technical field of motor spindles, in particular to a high-speed motor spindle heat dissipation device for a numerical control machine tool.
Background
The main transmission system of high-speed numerically-controlled machine tool cancels belt wheel transmission and gear transmission, and the machine tool main shaft is directly driven by built-in motor, so that the length of main transmission chain of machine tool can be reduced to zero, and the "zero transmission" of machine tool can be implemented.
However, the spindle can generate a large amount of heat in the high-speed working process, the existing motor spindle heat dissipation device has low heat dissipation efficiency on the spindle, the heat dissipation speed is low, and the heat generated on the spindle cannot be timely discharged, so that the requirement cannot be met, and the high-speed motor spindle heat dissipation device for the numerical control machine tool is needed.
Disclosure of Invention
The invention provides a spindle heat dissipation device for a high-speed motor of a numerical control machine tool, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a digit control machine tool high speed motor main shaft heat abstractor, includes high speed motor, high speed motor output one side sets up an installation section of thick bamboo, set up high-speed shaft coupling in the installation section of thick bamboo, an installation section of thick bamboo is kept away from high speed motor one side and is set up the heat dissipation shell, set up the main shaft in the heat dissipation shell, high speed motor's output shaft and main shaft pass through high-speed shaft coupling transmission and are connected.
As a preferred technical scheme of the present invention, a groove is formed in the heat dissipation shell, a cold liquid cavity is formed in the wall of the heat dissipation shell at the groove, a plurality of annular cold liquid pipes are arranged below the cold liquid cavity in a penetrating manner, and the annular cold liquid pipes are fixedly connected with the inner wall of the heat dissipation shell.
As a preferred technical scheme of the invention, the grooves at the top and the bottom of the heat dissipation shell are respectively provided with a liquid inlet hole and a liquid outlet hole, and the liquid inlet hole and the liquid outlet hole are both provided with sealing covers which can prevent the unnecessary loss of the temperature of the cold liquid added into the cold liquid cavity.
As a preferable technical scheme of the invention, one side of the annular cold liquid pipe, which is far away from the cold liquid cavity, is positioned in the heat dissipation shell, and the temperature in the heat dissipation shell can be effectively reduced under the action of air flow.
As a preferred technical scheme of the present invention, the heat dissipation shell is provided with an air inlet and an air outlet at two sides thereof, the shell walls at two sides of the top and the bottom of the heat dissipation shell are provided with an upper circulation air hole and a lower circulation air hole, the mounting tube is provided with an air hole, and an air flow is formed in the heat dissipation shell.
As a preferred technical scheme of the invention, two ends of a main shaft in the heat dissipation shell are respectively and rotatably connected with a first micro fan and a second micro fan, and the inner wall of the heat dissipation shell, which is close to one side of the installation cylinder, is provided with the mesh enclosure, so that the circulation of air can be accelerated, and the heat dissipation efficiency is improved.
As a preferred technical scheme of the invention, two sides of the mounting cylinder are respectively provided with a fixing screw, and the two sides of the mounting cylinder are respectively fixedly connected with the high-speed motor and the heat dissipation shell through the fixing screws.
The invention has the following advantages: the heat dissipation shell is connected with the high-speed motor by using the installation cylinder, the whole device is very convenient to install and disassemble, an air flow channel is formed around the whole main shaft by arranging the air hole, the air inlet hole, the upper circulation air hole, the lower circulation air hole and the air outlet hole, heat generated by high-speed rotation of the main shaft can be effectively and timely discharged, meanwhile, the shell wall of the heat dissipation shell is provided with the cold liquid cavity and the annular cold liquid pipe, cold liquid is added through the liquid inlet hole, the whole annular cold liquid pipe is filled with the cold liquid, the heat dissipation shell can be effectively and effectively dissipated, the main shaft can be efficiently dissipated, the circulation of air in the whole heat dissipation shell can be accelerated by arranging the micro fans at two sides of the main shaft, the heat dissipation efficiency of the whole device is higher, external magazines can be prevented from entering the shell through arranging the mesh enclosure, the rotation of the main shaft is influenced, and the heat, the radiating effect is better, and life is longer.
Drawings
Fig. 1 is a schematic front view of a spindle heat dissipation device of a high-speed motor of a numerical control machine tool.
Fig. 2 is a schematic structural diagram of an external whole body of a spindle heat dissipation device of a high-speed motor of a numerical control machine tool.
Fig. 3 is a schematic top view of a spindle heat dissipation device of a high-speed motor of a numerical control machine.
In the figure: 1. a high-speed motor; 2. a wind hole; 3. a high-speed coupling; 4. mounting the cylinder; 5. a set screw; 6. a mesh enclosure; 7. a first micro fan; 8. a main shaft; 9. an annular liquid cooling pipe; 10. a cold liquid chamber; 11. a liquid outlet hole; 12. a second micro fan; 13. a lower circulation air hole; 14. an air outlet; 15. an upper circulation air hole; 16. a liquid inlet hole; 17. a groove; 18. a heat dissipation housing; 19. an air inlet; 20. and (7) sealing the cover.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-3, a spindle heat dissipation device for a high-speed motor of a numerical control machine tool includes a high-speed motor 1, wherein an installation cylinder 4 is disposed on one side of an output end of the high-speed motor 1, a high-speed coupler 3 is disposed in the installation cylinder 4, a heat dissipation shell 18 is disposed on one side of the installation cylinder 4, which is far away from the high-speed motor 1, a spindle 8 is disposed in the heat dissipation shell 18, and an output shaft of the high-speed motor 1 is in transmission connection with the spindle 8 through the high.
The heat dissipation shell 18 is provided with a groove 17, a cold liquid cavity 10 is formed in the wall of the heat dissipation shell 18 at the groove 17, a plurality of annular cold liquid pipes 9 are arranged below the cold liquid cavity 10 in a penetrating mode, the annular cold liquid pipes 9 are fixedly connected with the inner wall of the heat dissipation shell 18, the grooves 17 at the top and the bottom of the heat dissipation shell 18 are respectively provided with a liquid inlet hole 16 and a liquid outlet hole 11, and the liquid inlet hole 16 and the liquid outlet hole 11 are respectively provided with a sealing cover 20.
The annular cold liquid pipe 9 is far away from the cold liquid cavity 10 and is located inside the heat dissipation shell 18, an air inlet 19 and an air outlet 14 are respectively formed in two sides of the heat dissipation shell 18, an upper circulation air hole 15 and a lower circulation air hole 13 are respectively formed in shell walls on the top and the bottom of the heat dissipation shell 18, an air hole 2 is formed in the installation cylinder 4, two ends of a main shaft 8 in the heat dissipation shell 18 are respectively connected with a first micro fan 7 and a second micro fan 12 in a rotating mode, and a mesh enclosure 6 is arranged on the inner wall, close to one side of the installation cylinder 4, of the heat dissipation shell 18.
Example 2
Referring to fig. 1-3, the other contents of the present embodiment are the same as embodiment 1, except that: and fixing screws 5 are arranged on two sides of the mounting cylinder 4, and the two sides of the mounting cylinder 4 are fixedly connected with the high-speed motor 1 and the heat dissipation shell 18 through the fixing screws 5 respectively.
In the implementation process of the invention, the sealing cover 20 is opened to add cold liquid into the liquid inlet hole 16, the cold liquid enters the annular cold liquid pipe 9 through the cold liquid cavity 10 to accelerate the shell heat dissipation of the heat dissipation shell 18, the high-speed motor 1 drives the main shaft 8 to rotate when running, the first micro fan 7 and the second micro fan 12 on the main shaft 8 rotate, the air forms flowing air flow through the air hole 2, the air inlet hole 19 and the air outlet hole 14 to discharge the heat generated by the rotation of the main shaft 8 out of the heat dissipation shell 18, and meanwhile, the air forms exchange air flow inside the heat dissipation shell 18 through the upper circulation air hole 15 and the lower circulation air hole 13 to accelerate the circulation of the air, thereby improving the heat dissipation efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a digit control machine tool high speed motor main shaft heat abstractor, includes high speed motor (1), its characterized in that, high speed motor (1) output one side sets up installation section of thick bamboo (4), set up high speed shaft coupling (3) in installation section of thick bamboo (4), installation section of thick bamboo (4) are kept away from high speed motor (1) one side and are set up heat dissipation shell (18), set up main shaft (8) in heat dissipation shell (18), the output shaft and main shaft (8) of high speed motor (1) are connected through high speed shaft coupling (3) transmission.
2. The spindle heat dissipation device for the high-speed motor of the numerical control machine tool according to claim 1, wherein a groove (17) is formed in the heat dissipation shell (18), a cold liquid cavity (10) is formed in the wall of the heat dissipation shell (18) at the groove (17), a plurality of annular cold liquid pipes (9) are arranged below the cold liquid cavity (10) in a penetrating manner, and the annular cold liquid pipes (9) are fixedly connected with the inner wall of the heat dissipation shell (18).
3. The spindle heat dissipation device for the high-speed motor of the numerical control machine tool as claimed in claim 2, wherein the grooves (17) at the top and the bottom of the heat dissipation shell (18) are respectively provided with a liquid inlet hole (16) and a liquid outlet hole (11), and the liquid inlet hole (16) and the liquid outlet hole (11) are respectively provided with a sealing cover (20).
4. The spindle heat dissipation device for the high-speed motor of the numerical control machine tool is characterized in that one side, far away from the cold liquid cavity (10), of the annular cold liquid pipe (9) is located inside the heat dissipation shell (18).
5. The spindle heat dissipation device for the high-speed motor of the numerical control machine tool as claimed in claim 1, wherein air inlet holes (19) and air outlet holes (14) are respectively formed in two sides of the heat dissipation housing (18), upper circulation air holes (15) and lower circulation air holes (13) are respectively formed in housing walls on two sides of the top and bottom of the heat dissipation housing (18), and air holes (2) are formed in the mounting cylinder (4).
6. The spindle heat dissipation device for the high-speed motor of the numerical control machine tool as claimed in claim 1, wherein a first micro fan (7) and a second micro fan (12) are rotatably connected to two ends of the spindle (8) in the heat dissipation housing (18), and a mesh enclosure (6) is disposed on an inner wall of the heat dissipation housing (18) close to one side of the mounting cylinder (4).
7. The spindle heat dissipation device for the high-speed motor of the numerical control machine tool according to claim 5 or 6, wherein fixing screws (5) are arranged on both sides of the mounting cylinder (4), and both sides of the mounting cylinder (4) are respectively and fixedly connected with the high-speed motor (1) and the heat dissipation shell (18) through the fixing screws (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010140385.7A CN111211641A (en) | 2020-03-03 | 2020-03-03 | Digit control machine tool high-speed motor main shaft heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010140385.7A CN111211641A (en) | 2020-03-03 | 2020-03-03 | Digit control machine tool high-speed motor main shaft heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111211641A true CN111211641A (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010140385.7A Pending CN111211641A (en) | 2020-03-03 | 2020-03-03 | Digit control machine tool high-speed motor main shaft heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111211641A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106062394A (en) * | 2014-02-28 | 2016-10-26 | 日本精工株式会社 | Main shaft device |
| CN107626935A (en) * | 2017-09-26 | 2018-01-26 | 广州市昊志机电股份有限公司 | A kind of main shaft device of built-in wind cooling system |
| CN109261992A (en) * | 2018-11-14 | 2019-01-25 | 珠海格力电器股份有限公司 | Electro spindle and electro spindle coolant jacket |
| CN208680560U (en) * | 2018-08-07 | 2019-04-02 | 广州碧野科技有限公司 | A kind of numerical control machining center main shaft |
| CN208787557U (en) * | 2018-09-10 | 2019-04-26 | 安徽恒辉机械有限公司 | A kind of numerically-controlled machine tool direct-type main shaft |
| CN209730964U (en) * | 2019-07-04 | 2019-12-03 | 南宁职业技术学院 | A kind of numerically-controlled machine tool high-speed motor Spindle's heat emission device |
-
2020
- 2020-03-03 CN CN202010140385.7A patent/CN111211641A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106062394A (en) * | 2014-02-28 | 2016-10-26 | 日本精工株式会社 | Main shaft device |
| CN107626935A (en) * | 2017-09-26 | 2018-01-26 | 广州市昊志机电股份有限公司 | A kind of main shaft device of built-in wind cooling system |
| CN208680560U (en) * | 2018-08-07 | 2019-04-02 | 广州碧野科技有限公司 | A kind of numerical control machining center main shaft |
| CN208787557U (en) * | 2018-09-10 | 2019-04-26 | 安徽恒辉机械有限公司 | A kind of numerically-controlled machine tool direct-type main shaft |
| CN109261992A (en) * | 2018-11-14 | 2019-01-25 | 珠海格力电器股份有限公司 | Electro spindle and electro spindle coolant jacket |
| CN209730964U (en) * | 2019-07-04 | 2019-12-03 | 南宁职业技术学院 | A kind of numerically-controlled machine tool high-speed motor Spindle's heat emission device |
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Application publication date: 20200529 |
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| RJ01 | Rejection of invention patent application after publication |