CN211361607U - High-speed machine tool and screw rod cooling device thereof - Google Patents
High-speed machine tool and screw rod cooling device thereof Download PDFInfo
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- CN211361607U CN211361607U CN201922226898.5U CN201922226898U CN211361607U CN 211361607 U CN211361607 U CN 211361607U CN 201922226898 U CN201922226898 U CN 201922226898U CN 211361607 U CN211361607 U CN 211361607U
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Abstract
The application discloses high-speed machine tool lead screw cooling device and high-speed machine tool, this cooling device cover locate on the lead screw with lead screw threaded connection, and remove along the lead screw, cooling device includes: the nut plate is fixedly connected with one end of the nut rod; a cooling liquid pipeline is arranged in the nut rod, the inlet of the cooling pipeline is communicated with a cooling liquid inlet arranged on the nut disc, and the outlet of the cooling pipeline is communicated with a cooling outlet arranged on the nut disc; the cooling liquid circulates in the cooling line. According to the cooling device, the cooling liquid circulation holes are additionally formed in the screw rod nut, the cooling liquid circulation pipeline is arranged inside the screw rod of the screw rod nut, and after the cooling liquid circulation pipeline is connected to the outside, the cooling liquid flows into the cooling circulation pipeline inside the screw rod to be cooled.
Description
Technical Field
The application relates to a high-speed processing machine tool lead screw cooling device and a high-speed machine tool, and belongs to the technical field of high-grade numerical control equipment and numerical control processing.
Background
The lead screw nut used on the existing high-speed processing machine tool is only provided with a lubricating liquid access hole, the lead screw nut generates temperature rise during lubrication and pretension due to the existence of pretightening force, the lead screw nut is easy to generate heat extension after temperature rise, the lead screw positioning precision is reduced, and the service life is prolonged. In order to reduce the temperature of the screw nut to normal use service, a full closed-loop cooling system is added in the whole machine assembly process in the prior art to control the temperature of the screw nut in use.
After a full closed-loop cooling system is added, the equipment cost is increased, the equipment complexity is increased, once the damage occurs, the maintenance difficulty is high, and the later maintenance cost and the operation cost are high.
SUMMERY OF THE UTILITY MODEL
The application provides a high-speed machine tool lead screw cooling device and a high-speed machine tool for solving the technical problem.
The application provides a high-speed machine tool lead screw cooling device, cooling device cover locate on the lead screw with lead screw threaded connection, and remove along the lead screw, cooling device includes: the nut plate is fixedly connected with one end of the nut rod;
a cooling liquid pipeline is arranged in the nut rod, the inlet of the cooling pipeline is communicated with a cooling liquid inlet arranged on the nut disc, and the outlet of the cooling pipeline is communicated with a cooling liquid outlet arranged on the nut disc;
the cooling liquid circulates in the cooling pipeline;
the cooling pipeline extends from the top end to the bottom end of the nut rod along the axial direction of the nut rod, extends from the bottom end to the top end of the nut rod after extending in the bottom of the nut rod along the circumferential direction of the nut rod.
Preferably, the central shaft areas of the nut disc and the nut rod are provided with through holes, and the screw rod penetrates through the through holes;
the lubrication pipeline is arranged on the side wall of the nut disk, penetrates through the nut disk along the radial direction of the nut disk and is communicated with the through hole in the nut disk.
Preferably, the cooling circuit comprises: the first cooling pipeline, the second cooling pipeline, the third cooling pipeline and the fourth cooling pipeline are uniformly distributed in the nut rod at intervals along the circumferential direction of the nut rod.
Preferably, the cooling liquid inlet is arranged to penetrate through the nut plate vertically;
the cooling liquid outlet is vertical to the nut plate and penetrates through the nut plate.
Preferably, the cooling circuit comprises: the inlet end of the liquid inlet pipe is communicated with the cooling liquid inlet;
the outlet end of the liquid outlet pipe is communicated with a cooling liquid outlet;
the liquid inlet pipe is communicated with the liquid outlet pipe through a communicating pipe.
Preferably, the liquid inlet pipe is arranged in the nut rod and extends from the top of the nut rod to the bottom of the nut rod along the axial direction of the nut rod;
the liquid outlet pipe extends from the top of the nut stem to the bottom of the nut stem in the axial direction of the nut stem.
Another aspect of the application also provides a high-speed machine tool, which comprises the screw cooling device of the high-speed machine tool.
Further comprising: a cooling liquid inlet of the cooling device is connected with a liquid outlet pipeline of the cooling circulation system; and a cooling liquid outlet of the cooling device is connected with a liquid inlet pipeline of the cooling circulation system.
The beneficial effects that this application can produce include:
1) the application provides a high-speed machine tool lead screw cooling device, through increase the coolant liquid circulation hole on screw-nut, and set up coolant liquid circulation pipeline in screw-nut's screw rod is inside, insert cooling circulation system back through the outside, the coolant liquid flows in getting into the inside cooling circulation pipeline of lead screw, cool off, adopt this kind of cooling method can reduce screw-nut because the pretightning force, it is lubricated, prestrain the temperature rise that leads to screw-nut to produce, and then reduce screw-nut's hot extension, improve lead screw positioning accuracy and increase of service life.
2) The high-speed machine tool provided by the application does not need to be provided with a full-closed-loop cooling system by arranging the lead screw nut, reduces the cost of the whole machine, is convenient for subsequent maintenance and replacement, and reduces the maintenance cost.
Drawings
FIG. 1 is a perspective view of a cooling device for a screw of a high-speed machining tool according to the present invention;
FIG. 2 is a schematic front view of a cooling device for a screw of a high-speed processing machine tool provided by the present application;
FIG. 3 is a schematic side perspective view of a screw cooling apparatus for a high speed machine tool according to the present application;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
illustration of the drawings:
110. a nut plate; 120. a nut stem; 111. a coolant inlet; 112. a coolant outlet; 140. Lubricating the pipeline; 121. a liquid inlet pipe; 122. a communicating pipe; 123. a liquid outlet pipe.
Detailed Description
The present application will be described in detail with reference to examples, but the present application is not limited to these examples.
Referring to fig. 1 ~ 4, the application provides a high-speed machine tool lead screw cooling device, this cooling device cover locate on the lead screw with lead screw threaded connection, and remove along the lead screw, cooling device includes: the nut plate 110 and the nut rod 120, the nut plate 110 is fixedly connected with one end of the nut rod 120. The central axial regions of the nut plate 110 and the nut stem 120 are provided with through holes. The screw rod is arranged in the through hole in a penetrating mode.
A coolant line is provided in the screw in the axial direction of the nut stem 120, and an inlet and an outlet of the coolant line are respectively communicated with a coolant inlet 111 and a coolant outlet 112 provided on the nut plate 110. The circulation of the cooling fluid in the cooling circuit is achieved by a cooling fluid inlet 111 and a cooling fluid outlet 112 on the face of the nutplate 110.
The cooling line extends in the nut stem 120 in the axial direction of the nut stem 120, extends to the bottom of the nut stem 120, extends in the circumferential direction of the nut stem 120 at the bottom of the nut stem 120, and then returns to the coolant outlet 112 provided in the nut plate 110 in the axial direction of the nut stem 120.
In an embodiment, the side wall of the nut plate 110 is provided with a lubrication channel 140 that extends through the nut plate 110 along the radial direction of the nut plate 110 and communicates with a through hole provided in the nut plate 110. Lubricating oil can enter and lubricate the screw threads for connecting the screw rod and the cooling device through the lubricating pipeline 140, so that the moving smoothness of the cooling device on the screw rod is improved, and meanwhile, the influence on the internal pipeline of the cooling device can be avoided.
In one embodiment, the cooling lines include a first cooling line, a second cooling line, a third cooling line, and a fourth cooling line that are circumferentially spaced apart and evenly distributed within the nut stem 120 along the nut stem 120.
In one embodiment, the nut plate 110 has a coolant inlet 111 and a coolant outlet 112 extending through the nut plate 110 and perpendicular to the nut plate 110.
In one embodiment, the cooling circuit comprises: a liquid inlet pipe 121, a communicating pipe 122 and a liquid outlet pipe 123, wherein the inlet end of the liquid inlet pipe 121 is communicated with the cooling liquid inlet 111 on the nut plate 110; the outlet end of the liquid outlet pipe 123 is communicated with the cooling liquid outlet 112 on the nut plate 110; liquid inlet pipe 121 and liquid outlet pipe 123 are communicated through communicating pipe 122. The cooling pipeline is arranged according to the method, so that the cooling efficiency can be improved, and the cycle number can be reduced.
In one embodiment, the liquid inlet tube 121 extends within the nut rod 120 from the top of the nut rod 120 to the bottom of the nut rod 120 in the axial direction of the nut rod 120; the spout 123 extends within the nut stem 120 from the top of the nut stem 120 to the bottom of the nut stem 120 in the axial direction of the nut stem 120.
In one embodiment, the communication tube 122 is disposed at the bottom of the nut rod 120 and extends circumferentially along the bottom of the nut rod 120.
Another aspect of the application also provides a high-speed machine tool, which comprises the screw cooling device of the high-speed machine tool.
In a specific embodiment, the method further comprises: a cooling liquid inlet 111 of the cooling device is connected with a liquid outlet pipeline of the cooling circulation system; and a cooling liquid outlet 112 of the cooling device is connected with a liquid inlet pipeline of the cooling circulation system. Through external cooling circulation system, realize being convenient for carry out the control by temperature change to the real-time cooling of coolant liquid.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the disclosure to effect such feature, structure, or characteristic in connection with other embodiments.
Although the present application has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a high-speed machine tool lead screw cooling device, its characterized in that, cooling device cover is located on the lead screw with lead screw threaded connection, and moves along the lead screw, cooling device includes: the nut plate (110) and the nut rod (120), wherein the nut plate (110) is fixedly connected with one end of the nut rod (120);
a cooling liquid pipeline is arranged in the nut rod (120), the inlet of the cooling pipeline is communicated with a cooling liquid inlet (111) arranged on the nut disc (110), and the outlet of the cooling pipeline is communicated with a cooling liquid outlet (112) arranged on the nut disc (110);
a cooling liquid circulates in the cooling pipeline;
the cooling pipeline extends from the top end to the bottom end of the nut rod (120) along the axial direction of the nut rod (120), extends in the bottom of the nut rod (120) along the circumferential direction of the nut rod (120), and then extends from the bottom end to the top end of the nut rod (120).
2. The screw cooling device of a high-speed processing machine tool according to claim 1, wherein the central shaft areas of the nut plate (110) and the nut rod (120) are provided with through holes, and the screw is arranged in the through holes in a penetrating way;
the lubricating device is characterized by further comprising a lubricating pipeline (140), wherein the lubricating pipeline (140) is arranged on the side wall of the nut disc (110), penetrates through the nut disc (110) along the radial direction of the nut disc (110), and is communicated with a through hole formed in the nut disc (110).
3. The high speed machine tool screw cooling device of claim 1, wherein the cooling circuit comprises: the cooling device comprises a first cooling pipeline, a second cooling pipeline, a third cooling pipeline and a fourth cooling pipeline, wherein the first cooling pipeline, the second cooling pipeline, the third cooling pipeline and the fourth cooling pipeline are uniformly distributed in a nut rod (120) at intervals along the circumferential direction of the nut rod (120).
4. The high-speed processing machine tool lead screw cooling device of claim 1, wherein the coolant inlet (111) is disposed perpendicular to the nut plate (110) and through the nut plate (110);
the cooling liquid outlet (112) is vertical to the nut plate (110) and penetrates through the nut plate (110).
5. The high speed processing machine tool screw cooling device of claim 4, wherein the cooling circuit comprises: the cooling device comprises a liquid inlet pipe (121), a communicating pipe (122) and a liquid outlet pipe (123), wherein the inlet end of the liquid inlet pipe (121) is communicated with a cooling liquid inlet (111);
the outlet end of the liquid outlet pipe (123) is communicated with the cooling liquid outlet (112);
the liquid inlet pipe (121) is communicated with the liquid outlet pipe (123) through a communicating pipe (122).
6. The screw cooling device of a high-speed processing machine tool according to claim 5, wherein the liquid inlet pipe (121) extends inside the nut rod (120) from the top of the nut rod (120) to the bottom of the nut rod (120) in the axial direction of the nut rod (120);
the liquid outlet pipe (123) extends from the top of the nut rod (120) to the bottom of the nut rod (120) in the axial direction of the nut rod (120) in the nut rod (120).
7. A high speed machine tool, comprising: the screw cooling device of a high-speed processing machine tool according to any one of claims 1 to 6.
8. The high-speed machine tool according to claim 7, further comprising: a cooling liquid inlet (111) of the cooling device is connected with a liquid outlet pipeline of the cooling circulation system;
and a cooling liquid outlet (112) of the cooling device is connected with a liquid inlet pipeline of the cooling circulation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226898.5U CN211361607U (en) | 2019-12-11 | 2019-12-11 | High-speed machine tool and screw rod cooling device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226898.5U CN211361607U (en) | 2019-12-11 | 2019-12-11 | High-speed machine tool and screw rod cooling device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211361607U true CN211361607U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922226898.5U Active CN211361607U (en) | 2019-12-11 | 2019-12-11 | High-speed machine tool and screw rod cooling device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211361607U (en) |
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2019
- 2019-12-11 CN CN201922226898.5U patent/CN211361607U/en active Active
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