CN109571135B - Forced cooling structure of gantry main shaft - Google Patents
Forced cooling structure of gantry main shaft Download PDFInfo
- Publication number
- CN109571135B CN109571135B CN201910030452.7A CN201910030452A CN109571135B CN 109571135 B CN109571135 B CN 109571135B CN 201910030452 A CN201910030452 A CN 201910030452A CN 109571135 B CN109571135 B CN 109571135B
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- China
- Prior art keywords
- main shaft
- air inlet
- mounting plate
- ram
- air
- Prior art date
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- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 238000003754 machining Methods 0.000 abstract description 16
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a forced cooling structure of a gantry main shaft, which comprises the following components: the novel air inlet device comprises a ram shell, a main shaft, a coupler, a main shaft motor, a mounting plate and an air inlet pipe, wherein the main shaft is arranged at the lower end of the ram shell, the main shaft motor is fixed on the mounting plate, the mounting plate is arranged in the ram shell, a closed cavity is formed between the mounting plate and the mounting position of the main shaft, the coupler is arranged in the cavity, the coupler is connected with an output shaft of the main shaft and an output shaft of the main shaft motor, air inlet mounting holes and air outlet holes are formed in the mounting plate, the air inlet holes are distributed at the outer sides of the air outlet holes, the air outlet holes are located at the outer sides of the mounting position of the main shaft motor, the air inlet pipe is arranged in the air inlet holes, and one end of the air inlet pipe penetrates into the cavity. The invention discloses a forced cooling structure of a gantry main shaft, which has the advantages of simple structure, convenience in use, acceleration of air flow rate in a ram, improvement of heat dissipation efficiency and guarantee of machining precision of a Z axis.
Description
Technical Field
The invention belongs to the field of machining centers, and particularly relates to a forced cooling structure of a gantry main shaft.
Background
The machining center is developed from a numerical control milling machine, has the greatest difference from the numerical control milling machine in that the machining center has the capability of automatically exchanging machining tools, and can change machining tools on a main shaft through an automatic tool changing device in one-time clamping by installing tools with different purposes on a tool magazine so as to realize multiple machining functions; the numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of the numerical control machine tools with highest yield and most extensive application in the world at present, has strong comprehensive machining capability, can finish more machining contents after one-time clamping of workpieces, has higher machining precision, is 5-10 times of that of common equipment for batch workpieces with medium machining difficulty, can finish machining which cannot be finished by a plurality of common equipment, and is more applicable to single-piece machining or small-medium batch production with complex shape and high precision requirements.
The length of the Z-axis ram of the gantry machining center is longer, the periphery of the Z-axis ram is closed, the spindle is connected with the motor through the coupler and is arranged in the ram, and a large amount of heat can be generated when the motor and the spindle work for a long time, so that the heat cannot be discharged in time, the ram is bent due to thermal deformation, and the machining precision of the Z-axis and the attractiveness of the ram are affected.
Disclosure of Invention
The invention aims to: the invention aims to solve the defects in the prior art, and provides a forced cooling structure for a gantry main shaft, which solves the problems.
The technical scheme is as follows: the invention relates to a forced cooling structure of a gantry main shaft, which comprises the following components: the novel air inlet device comprises a ram shell, a main shaft, a coupler, a main shaft motor, a mounting plate and an air inlet pipe, wherein the main shaft is arranged at the lower end of the ram shell, the main shaft motor is fixed on the mounting plate, the mounting plate is arranged in the ram shell, a closed cavity is formed between the mounting plate and the mounting position of the main shaft, the coupler is arranged in the cavity, the coupler is connected with the main shaft and an output shaft of the main shaft motor, an air inlet hole and an air outlet hole are formed in the mounting plate, the air inlet hole is distributed outside the air outlet hole, the air outlet hole is located outside the mounting position of the main shaft motor, the air inlet pipe is arranged in the air inlet hole, and one end of the air inlet pipe extends into the cavity.
Preferably, the spindle motor is provided with a cooling fan, and the cooling fan blows upwards in the wind direction.
Preferably, the other end of the air inlet pipe extends out of the upper end of the ram shell and is connected with the air supply fan.
Preferably, the upper end of the ram shell is provided with an exhaust hole, an exhaust pipe is arranged in the exhaust hole, and the exhaust pipe is sleeved on the spindle motor.
The beneficial effects are that: the invention discloses a forced cooling structure of a gantry main shaft, which is characterized in that a closed cavity is formed at the installation position of a coupler through a mounting plate, air is fed into the cavity through an air inlet pipe, so that air in the cavity is exchanged more uniformly, the air is discharged through an air outlet hole, a high-temperature air fan is arranged on a main shaft motor, when the main shaft motor works, the high-temperature air can be accelerated to be pumped out of the cavity, the air flow rate in a ram is accelerated, the coupler, the main shaft motor and a ram shell are subjected to rapid heat radiation, and an exhaust pipe is sleeved on the main shaft motor to isolate the high-temperature air from the ram, so that the influence of high temperature on the ram shell due to overheating is reduced, and the deformation of the ram shell caused by overheating is prevented, and the Z-axis machining precision is influenced; the invention has the advantages of simple structure, convenient use, acceleration of the air flow rate in the ram, improvement of the heat dissipation efficiency and guarantee of the machining precision of the Z axis.
Drawings
FIG. 1 is a block diagram of the invention;
FIG. 2 is a block diagram of the invention with an exhaust pipe;
FIG. 3 is a block diagram of a mounting plate of the present invention;
1. ram housing 2, spindle 3, shaft coupling 4, spindle motor 41, fan 5, mounting plate 51, inlet port 52, outlet port 6, intake pipe 7, exhaust hole 8, exhaust pipe.
Detailed Description
As shown in fig. 1-3, a forced cooling structure for a gantry spindle, where the ram is a Z axis of a gantry machining center, includes: the novel air inlet device comprises a ram shell 1, a main shaft 2, a coupler 3, a main shaft motor 4, a mounting plate 5 and an air inlet pipe 6, wherein the main shaft 2 is mounted at the lower end of the ram shell 1, the main shaft motor 4 is fixed on the mounting plate 5, the mounting plate 5 is arranged in the ram shell 1, a closed cavity is formed between the mounting plate 5 and the mounting position of the main shaft 2, the coupler 3 is mounted in the cavity, the coupler 3 is used for connecting the main shaft 2 with an output shaft of the main shaft motor 4, an air inlet hole 51 and an air outlet hole 52 are formed in the mounting plate 5, the air inlet hole 51 is distributed outside the air outlet hole 52, the air outlet hole 52 is positioned at the outer side of the mounting position of the main shaft motor 4, the air inlet pipe 6 is mounted in the air inlet hole 51, and one end of the air inlet pipe 6 penetrates into the cavity.
The spindle motor 4 is provided with a cooling fan 41, the cooling fan 41 blows upwards in the wind direction, the other end of the air inlet pipe 6 extends out of the upper end of the ram housing 1 and is connected with an air supply fan, the upper end of the ram housing 1 is provided with an air outlet 7, an air outlet 7 is arranged in the air outlet 7, and the air outlet 7 is sleeved on the spindle motor 4.
The air inlet pipe 6 is connected with the air supply fan, the air supply fan works, the air supply fan supplies air into a cavity between the mounting plate 5 and the main shaft 2 in the ram forced cooling structure through the air inlet pipe 6, the cavity is cooled, air in the cavity is discharged through the air outlet holes 52 on the mounting plate 5, high-temperature air is discharged out of the ram shell 1 through the air outlet holes 7, the main shaft motor 4 can be sleeved with the air outlet pipe 7 for isolating the influence of temperature on the ram, the high-temperature air is discharged into the air outlet pipe 7 from the cavity between the mounting plate 5 and the main shaft 2, the fan 41 is driven to rotate at a high speed when the main shaft 2 fan works, the high-temperature air is pumped out of the cavity, the heat dissipation is accelerated, the air flow rate in the ram is accelerated, and the coupling 3, the main shaft motor 4 and the ram shell 1 are cooled rapidly.
In summary, make the mounted position of shaft coupling form inclosed cavity through the mounting panel, send into this cavity through the intake pipe again in, make the gas exchange in the cavity more even, and discharge through the venthole, through the main shaft motor from taking scattered high temperature gas fan, when main shaft motor works, can accelerate to take out high temperature gas from the cavity, accelerate the air velocity in the ram, carry out quick heat dissipation to the shaft coupling, main shaft motor and ram casing, still can be through suit blast pipe on main shaft motor, isolate between high temperature gas and the ram, reduce the influence of high temperature to the ram, prevent the ram casing because of overheated deformation that produces, influence the machining precision of Z axle.
The foregoing is a preferred embodiment of the present invention and is not intended to limit the scope of the claims. It should be noted that modifications and equivalents of the technical solution of the present invention may be made by those skilled in the art without departing from the scope of the present invention.
Claims (4)
1. The utility model provides a gantry main shaft forced cooling structure which characterized in that: the forced cooling structure of the gantry main shaft comprises: the novel air inlet device comprises a ram shell, a main shaft, a coupler, a main shaft motor, a mounting plate and an air inlet pipe, wherein the main shaft is arranged at the lower end of the ram shell, the main shaft motor is fixed on the mounting plate, the mounting plate is arranged in the ram shell, a closed cavity is formed between the mounting plate and the mounting position of the main shaft, the coupler is arranged in the cavity, the coupler is connected with the main shaft and an output shaft of the main shaft motor, an air inlet hole and an air outlet hole are formed in the mounting plate, the air inlet hole is distributed outside the air outlet hole, the air outlet hole is located outside the mounting position of the main shaft motor, the air inlet pipe is arranged in the air inlet hole, and one end of the air inlet pipe extends into the cavity.
2. The gantry spindle forced cooling structure according to claim 1, characterized in that: the spindle motor is provided with a cooling fan, and the wind direction of the cooling fan blows upwards.
3. The gantry spindle forced cooling structure according to claim 1, characterized in that: the other end of the air inlet pipe extends out of the upper end of the ram shell and is connected with an air supply fan.
4. The gantry spindle forced cooling structure according to claim 1, wherein: the upper end of the ram shell is provided with an exhaust hole, an exhaust pipe is arranged in the exhaust hole, and the exhaust pipe is sleeved on the spindle motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030452.7A CN109571135B (en) | 2019-01-14 | 2019-01-14 | Forced cooling structure of gantry main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030452.7A CN109571135B (en) | 2019-01-14 | 2019-01-14 | Forced cooling structure of gantry main shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109571135A CN109571135A (en) | 2019-04-05 |
| CN109571135B true CN109571135B (en) | 2024-01-19 |
Family
ID=65916299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910030452.7A Active CN109571135B (en) | 2019-01-14 | 2019-01-14 | Forced cooling structure of gantry main shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN109571135B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07328889A (en) * | 1994-06-06 | 1995-12-19 | Hitachi Seiko Ltd | Main spindle unit cooling system in printed circuit board work machine |
| KR20090071721A (en) * | 2007-12-28 | 2009-07-02 | 두산인프라코어 주식회사 | A spindle for a machining apparatus |
| CN104476316A (en) * | 2014-11-27 | 2015-04-01 | 南通福通机床有限公司 | Fast perpendicularity adjusting spindle milling head with external cutter and adopting gas cooling |
| CN205703505U (en) * | 2016-06-13 | 2016-11-23 | 天津迈博机械设备有限公司 | A kind of electro spindle chiller |
| CN207840860U (en) * | 2018-01-27 | 2018-09-11 | 东莞市台乔数控机械有限公司 | A kind of cooling device applied to high-speed high-precision numerical control engraving and milling equipment |
| CN209579010U (en) * | 2019-01-14 | 2019-11-05 | 南通国盛智能科技集团股份有限公司 | A kind of gantry main shaft pressure cooling structure |
-
2019
- 2019-01-14 CN CN201910030452.7A patent/CN109571135B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07328889A (en) * | 1994-06-06 | 1995-12-19 | Hitachi Seiko Ltd | Main spindle unit cooling system in printed circuit board work machine |
| KR20090071721A (en) * | 2007-12-28 | 2009-07-02 | 두산인프라코어 주식회사 | A spindle for a machining apparatus |
| CN104476316A (en) * | 2014-11-27 | 2015-04-01 | 南通福通机床有限公司 | Fast perpendicularity adjusting spindle milling head with external cutter and adopting gas cooling |
| CN205703505U (en) * | 2016-06-13 | 2016-11-23 | 天津迈博机械设备有限公司 | A kind of electro spindle chiller |
| CN207840860U (en) * | 2018-01-27 | 2018-09-11 | 东莞市台乔数控机械有限公司 | A kind of cooling device applied to high-speed high-precision numerical control engraving and milling equipment |
| CN209579010U (en) * | 2019-01-14 | 2019-11-05 | 南通国盛智能科技集团股份有限公司 | A kind of gantry main shaft pressure cooling structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109571135A (en) | 2019-04-05 |
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