CN102729096A - Ram thermal insulation structure and machine tool including structure - Google Patents
Ram thermal insulation structure and machine tool including structure Download PDFInfo
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- CN102729096A CN102729096A CN2012102486388A CN201210248638A CN102729096A CN 102729096 A CN102729096 A CN 102729096A CN 2012102486388 A CN2012102486388 A CN 2012102486388A CN 201210248638 A CN201210248638 A CN 201210248638A CN 102729096 A CN102729096 A CN 102729096A
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- ram
- cooling
- heat insulation
- fabrication hole
- insulation structural
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Abstract
The invention discloses a ram thermal insulation structure and a machine tool including the structure. The ram thermal insulation structure disclosed by the invention is arranged among a main motor, a reduction box, a ram and a spindle of the machine tool and used for lowering the temperature rise influence to the ram caused by running of the machine tool, wherein the ram thermal insulation structure comprises a cooling circulation loop structure, the reduction box is connected with the ram through the cooling circulation loop structure, cooling liquid is filled in the cooling circulation loop structure, and the temperature rise influence caused by rotation of the spindle is lowered through circulation flowing of the cooling liquid. The invention has the advantages that the structure is simple and practical, thermal insulation treatment is carried out among the main motor, the reduction box, the ram and the spindle, the temperature rise influence to the processing accuracy at the reduction box is reduced, and the cooling effect is great, therefore, the ram thermal insulation structure is new application of a cooling thermal insulation method to the machine tool.
Description
Technical field
The present invention relates to the heat insulation structural technical field, be specifically related to a kind of ram heat insulation structural and comprise the lathe of this structure.
Background technology
Along with development of science and technology, increasingly high to the requirement on machining accuracy of lathe.The control distortion guarantees that machining accuracy becomes a very important Consideration of present Machine Tool design.And the mismachining tolerance of lathe has and caused by thermal deformation greatly, so the research of thermal deformation of machine tool more and more received people's attention.
Know that from expansion principle when the metal parts temperature evenly rises, thermal expansion along its length also is uniform.If metal parts is heated inhomogeneous, it is inconsistent that the both sides temperature rises, and when the upside temperature was higher than downside, the swell increment of metal parts upside was greater than the swell increment of downside, thereby metal parts is bent upwards, and produced thermal deformation.For the caused error of thermal deformation, can be through lathe master motor, reduction box and ram, the separated method of main shaft be reduced.Cooling provision for this part is the cooling to main shaft bearing and reduction box at present, does not have relevant provision for thermal insulation.
Summary of the invention
To the problems referred to above that present heat insulation structural exists, the present invention provides a kind of ram heat insulation structural and comprises the technical scheme of the lathe of this structure.
A kind of ram heat insulation structural; On the lathe between main motor, reduction box and ram, the main shaft, be used to reduce the temperature rise influence that machine tool running brings to ram, wherein; Comprise a cooling circuit structure, said reduction box is connected through said cooling circuit structure with said ram; In the said cooling circuit structure cooling fluid is housed, and reduces said main shaft through circulating of said cooling fluid and rotate the temperature rise influence that brings.
Above-mentioned ram heat insulation structural; Wherein, Said cooling circuit structure comprises connecting plate, and cooling bath, liquid outlet and inlet, said connecting plate are fixed between said reduction box and the said ram; Said cooling bath is positioned on the said connecting plate, and said liquid outlet and said inlet are positioned at said connecting plate one side;
Said cooling fluid is housed in the said cooling bath, and said inlet is used to load said cooling fluid, and said fluid confession waste liquid flows out.
Above-mentioned ram heat insulation structural wherein, also is provided with first fabrication hole and second fabrication hole on the said connecting plate, said cooling bath is between said first fabrication hole and said second fabrication hole; Said first fabrication hole is connected with said inlet, and said second fabrication hole is connected with said liquid outlet;
Above-mentioned ram heat insulation structural, wherein, said first fabrication hole, said second fabrication hole and said cooling bath have constituted the closed circuit of said cooling fluid.
Above-mentioned ram heat insulation structural, wherein, said liquid outlet and inlet are positioned at the not homonymy of said connecting plate.
Above-mentioned ram heat insulation structural, wherein, said cooling bath is back-shaped groove structure.
A kind of lathe wherein, comprises any described ram heat insulation structural among the aforesaid right requirement 1-6.
Beneficial effect of the present invention:
Simple and practical, carry out heat insulation processing between main motor, reduction box and ram, the main shaft, reduce the influence of reduction box place temperature rise to machining accuracy, cooling effect is obvious, is a kind of whole new set of applications of heat-insulating method on lathe of cooling off.
Description of drawings
Fig. 1 is a kind of machine tool structure sketch map that comprises the ram heat insulation structural of the present invention;
Fig. 2 is the schematic internal view of a kind of ram heat insulation structural of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further, but not as qualification of the present invention.
Be illustrated in figure 1 as a kind of machine tool structure sketch map that comprises the ram heat insulation structural; Wherein main motor (11) will cut required rotation through reduction box (12) and pass to main shaft (17); Be fixed with a cooling circuit structure between this reduction box (12) and the ram (16); This cooling circuit main structure body is a connecting plate (13); On connecting plate, be provided with an inlet (14) and be used to be connected reduction box and ram, in this cooling circuit structure cooling fluid is housed, and reduce main shaft through circulating of cooling fluid and rotate the temperature rise bring influence machining accuracy with this connecting plate of a liquid outlet (15); Inlet is used to load cooling fluid, and fluid confession waste liquid flows out.
Be illustrated in figure 2 as the schematic internal view of this ram heat insulation structural, also comprise a cooling bath (21) on the connecting plate (13), this cooling bath is positioned at the faying face of connecting plate (13) and reduction box, is used to deposit cooling fluid; Homonymy or both sides at connecting plate are respectively equipped with first fabrication hole (22) and second fabrication hole (23); This first fabrication hole (22) is connected with inlet (14); This second fabrication hole (23) is connected with liquid outlet (15), and this cooling bath is between first fabrication hole and second fabrication hole, and the three constitutes a complete liquid circulation loop; In this loop, other shapes that the shape of cooling bath can make is three-back-shaped, spirality maybe can constitute connected loop; Cooling fluid in the cooling bath is not limited to water, oil lamp liquid, comprises all flowable media, and cooling fluid flows in the closed circuit of above-mentioned formation, takes away heat, reduces temperature, thereby reduces the transmission of reduction box place heat to the ram spindle unit.
The above is merely preferred embodiment of the present invention, is not so limits claim of the present invention, so the equivalent structure that all utilizations specification of the present invention and diagramatic content have been done changes, all is included in protection scope of the present invention.
Claims (7)
1. ram heat insulation structural; On the lathe between main motor, reduction box and ram, the main shaft; Be used to reduce the temperature rise influence that machine tool running brings to ram; It is characterized in that, comprise a cooling circuit structure, said reduction box is connected through said cooling circuit structure with said ram; In the said cooling circuit structure cooling fluid is housed, and reduces said main shaft through circulating of said cooling fluid and rotate the temperature rise influence that brings.
2. ram heat insulation structural as claimed in claim 1; It is characterized in that; Said cooling circuit structure comprises connecting plate, and cooling bath, liquid outlet and inlet, said connecting plate are fixed between said reduction box and the said ram; Said cooling bath is positioned on the said connecting plate, and said liquid outlet and said inlet are positioned at said connecting plate one side;
Said cooling fluid is housed in the said cooling bath, and said inlet is used to load said cooling fluid, and said fluid confession waste liquid flows out.
3. ram heat insulation structural as claimed in claim 2 is characterized in that, also is provided with first fabrication hole and second fabrication hole on the said connecting plate, and said cooling bath is between said first fabrication hole and said second fabrication hole; Said first fabrication hole is connected with said inlet, and said second fabrication hole is connected with said liquid outlet.
4. ram heat insulation structural as claimed in claim 3 is characterized in that, said first fabrication hole, and said second fabrication hole and said cooling bath have constituted the closed circuit of said cooling fluid.
5. ram heat insulation structural as claimed in claim 2 is characterized in that, said liquid outlet and inlet are positioned at the not homonymy of said connecting plate.
6. ram heat insulation structural as claimed in claim 2 is characterized in that, said cooling bath is back-shaped groove structure.
7. a lathe is characterized in that, comprises any described ram heat insulation structural among the aforesaid right requirement 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102486388A CN102729096A (en) | 2012-07-18 | 2012-07-18 | Ram thermal insulation structure and machine tool including structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102486388A CN102729096A (en) | 2012-07-18 | 2012-07-18 | Ram thermal insulation structure and machine tool including structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102729096A true CN102729096A (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102486388A Pending CN102729096A (en) | 2012-07-18 | 2012-07-18 | Ram thermal insulation structure and machine tool including structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN102729096A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63179048U (en) * | 1987-05-08 | 1988-11-18 | ||
| JPH0246344B2 (en) * | 1985-06-14 | 1990-10-15 | Hitachi Seiko Kk | KOSAKUKIKAINIOKERUSHUJIKUMOOTAOYOBIPUURINOREIKYAKUSOCHI |
| CN1663742A (en) * | 2004-03-04 | 2005-09-07 | 发那科株式会社 | Machine tool provided with cooling mechanism |
| CN101885075A (en) * | 2010-07-01 | 2010-11-17 | 东南大学 | Air cooling device for controlling thermal deformation of spindle box of vertical machine tool |
-
2012
- 2012-07-18 CN CN2012102486388A patent/CN102729096A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0246344B2 (en) * | 1985-06-14 | 1990-10-15 | Hitachi Seiko Kk | KOSAKUKIKAINIOKERUSHUJIKUMOOTAOYOBIPUURINOREIKYAKUSOCHI |
| JPS63179048U (en) * | 1987-05-08 | 1988-11-18 | ||
| CN1663742A (en) * | 2004-03-04 | 2005-09-07 | 发那科株式会社 | Machine tool provided with cooling mechanism |
| CN101885075A (en) * | 2010-07-01 | 2010-11-17 | 东南大学 | Air cooling device for controlling thermal deformation of spindle box of vertical machine tool |
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Application publication date: 20121017 |