CN216228323U - Cooling structure for eliminating thermal deformation of gantry ram - Google Patents
Cooling structure for eliminating thermal deformation of gantry ram Download PDFInfo
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- CN216228323U CN216228323U CN202122765817.6U CN202122765817U CN216228323U CN 216228323 U CN216228323 U CN 216228323U CN 202122765817 U CN202122765817 U CN 202122765817U CN 216228323 U CN216228323 U CN 216228323U
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- thermal deformation
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Abstract
The utility model relates to a cooling structure for eliminating thermal deformation of a gantry ram, which is arranged on an output shaft of a spindle motor, and comprises a motor connecting plate and an oil cooling cover plate, wherein the middle part of the motor connecting plate is provided with an installation through hole to be sleeved on the output shaft of the spindle motor, and the motor connecting plate is provided with a cooling flow channel; and a sealing ring is embedded at the side of the cooling flow channel, and the oil cooling cover plate is fixedly locked on the motor connecting plate to form a sealed cooling structure. The cooling structure is arranged on the output shaft of the spindle motor, so that the spindle motor is directly cooled and radiated, the heat extension efficiency and the heat conduction efficiency of the spindle motor are effectively reduced, the purpose of ensuring the processing precision is achieved, and the technical problems in the prior art are solved.
Description
Technical Field
The utility model relates to the field of gantry numerical control machines, in particular to a cooling structure capable of effectively cooling and radiating a spindle motor so as to eliminate thermal deformation of a gantry ram.
Background
The gantry numerical control machine tool is large-scale precision machining equipment and can machine workpieces with high requirements on precision. Among the factors influencing the machining precision of the gantry numerical control machine tool, whether the tool is effectively radiated is one of important factors for ensuring the machining precision.
In order to achieve effective cooling and heat dissipation of a gantry numerical control machine, a spindle cooling device is added in the prior art, the spindle cooling device mostly comprises water cooling and air cooling, the spindle cooling device is installed at a position far away from a spindle motor, and a main heating source is just the spindle motor, namely: the heat conduction of the spindle drive component, which causes thermal extension of the ram, directly affects the machining accuracy.
Therefore, how to effectively radiate and cool the spindle motor and ensure the machining precision is one of the technical problems to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model aims to provide a cooling structure which can effectively cool and radiate a spindle motor so as to eliminate thermal deformation of a gantry ram.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a cooling structure for eliminating thermal deformation of a gantry ram is arranged on an output shaft of a spindle motor, and comprises a motor connecting plate and an oil cooling cover plate, wherein:
the middle part of the motor connecting plate is provided with a mounting through hole to be sleeved on an output shaft of the spindle motor, and the motor connecting plate is provided with a cooling flow channel;
and a sealing ring is embedded at the side of the cooling flow channel, and the oil cooling cover plate is fixedly locked on the motor connecting plate to form a sealed cooling structure.
Further preferred is: the cooling runner includes the cooling bath, and with cooling inlet, the hot outlet of cooling bath intercommunication, wherein:
the cooling groove is an annular groove and is arranged close to an output shaft of the spindle motor;
the cooling inlet and the heat flow outlet are through holes to communicate the outside and the cooling tank.
Further preferred is: the cooling groove is a circular groove;
the number of the sealing rings is two, and the sealing rings are respectively embedded on the inner side and the outer side of the cooling groove.
Further preferred is: the sealing ring is an O-shaped sealing ring and is embedded in an embedding groove, and the embedding groove is an inner groove formed in the motor connecting plate.
Further preferred is: the motor connecting plate is a heat-conducting flat plate body, and the mounting through holes are circular through holes.
Further preferred is: the part of the motor connecting plate, which is close to the mounting through hole, is provided with an inner concave surface, and the cooling flow channel and the sealing ring are both positioned at the inner concave surface;
the oil cooling cover plate is matched with the inner concave surface and is buckled at the inner concave surface.
Further preferred is: the oil cooling cover plate is a circular plate body.
Further preferred is: the outer side surface of the oil cooling cover plate extends outwards to form a connecting lug, and a connecting hole is formed in the connecting lug;
the number of the connecting lugs is four.
After adopting the technical scheme, compared with the background technology, the utility model has the following advantages:
the cooling structure is arranged on the output shaft of the spindle motor, so that the spindle motor (namely, a heat source part) is directly cooled and radiated, the heat extension efficiency and the heat conduction efficiency are effectively reduced, and the purpose of ensuring the processing precision is achieved; in addition, the cooling structure is mainly realized by cooling through the cooling flow channel, and the cooling structure can be used for butting a cooling oil outlet of a machine tool with oil cooling, so that the aim of not additionally adding cooling liquid or cooling oil is fulfilled, the cooling structure is simplified, and the effects of low cost, good cooling effect and the like are achieved.
Drawings
FIG. 1 is a schematic perspective view of a cooling structure for eliminating thermal deformation of a gantry ram according to an embodiment of the present invention;
FIG. 2 is an exploded view of a cooling structure for eliminating thermal deformation of a gantry ram according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a motor connecting plate according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of the structure shown in FIG. 3;
FIG. 5 is a structural diagram of an application state of the cooling structure for eliminating thermal deformation of the gantry ram in the embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the apparatus or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
As shown in fig. 1 and 5, the present invention discloses a cooling structure for eliminating thermal deformation of a gantry ram, which is mounted on an output shaft 110 of a spindle motor 100, and the cooling structure includes a motor connecting plate 200 and an oil-cooled cover plate 300.
As shown in fig. 1 to 4, the motor connecting plate 200 is a cross-shaped heat conducting plate, and a circular mounting through hole 250 is formed at the center thereof, and the mounting through hole 250 is adapted to the output shaft 110 of the spindle motor 100, so as to be mounted on the output shaft 110 of the spindle motor 100; an annular concave surface is arranged at the position, close to the mounting through hole 250, of the motor connecting plate 200;
as shown in fig. 1 to 4, an annular cooling groove 210 is formed in the inner concave surface, and the cooling groove 210 is disposed near the mounting through hole 250, so as to improve heat exchange efficiency, and thus improve heat dissipation and cooling effects; two through holes are formed in the motor connecting plate 200, each through hole is communicated with the outer side of the motor connecting plate and the cooling groove 210, and the two through holes are symmetrically distributed to form a cooling inlet 220 and a heat flow outlet 230 respectively; the cooling inlet 220 and the heat outlet 230 are communicated with the cooling groove 210 to form a cooling channel;
specifically, the method comprises the following steps: the radial cross section of the cooling groove 210 is circular, elliptical, or directional.
As shown in fig. 1 to 4, two annular caulking grooves 240 are formed in the inner concave surface, the two caulking grooves 240 are respectively disposed on the inner side and the outer side of the cooling groove 210, and a sealing ring is installed in the caulking groove 240, and the sealing ring is an O-shaped sealing ring.
As shown in fig. 1 to 4, the oil-cooling cover plate 300 is a circular plate covering the concave surface; the outer side surface of the oil cooling cover plate 300 extends outwards to form connecting lugs, connecting holes are formed in the connecting lugs, and the number of the connecting lugs is four and the connecting lugs are distributed at equal angles; screws penetrate through the mounting holes in the connecting lugs to lock the oil cooling cover plate 300 on the motor connecting plate 200 and abut against the sealing rings to seal the cooling groove 210, so that a sealed cooling structure is formed.
As shown in fig. 1 to 4, the spindle motor 10 is mounted on an outer sidewall of the square ram 500 through a mounting bracket 400, and an output shaft 110 of the spindle motor 100 is connected and interlocked with the direct spindle through a belt 120. The motor connecting plate 200 and the oil cooling cover plate 300 are sequentially distributed along the axial direction of the output shaft 110, that is: the motor connecting plate 200 is disposed adjacent to the spindle motor 100.
Referring to fig. 1 to 5, a cooling oil outlet 220 of the machine tool equipped with oil cooling is connected to a cooling inlet on a motor connecting plate 200, cooling oil passes through a cooling groove 210 to cool the motor connecting plate 200, hot oil returns from heat flow on the motor connecting plate 200 to a hot oil outlet 230 of a cold machine to achieve circulating cooling, and therefore heat of the motor is prevented from being transmitted to a casting.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a eliminate cooling structure of longmen ram heat altered shape which characterized in that: it is adorned on spindle motor's output shaft, cooling structure includes motor connecting plate and oil cooling apron, wherein:
the middle part of the motor connecting plate is provided with a mounting through hole to be sleeved on an output shaft of the spindle motor, and the motor connecting plate is provided with a cooling flow channel;
and a sealing ring is embedded at the side of the cooling flow channel, and the oil cooling cover plate is fixedly locked on the motor connecting plate to form a sealed cooling structure.
2. The cooling structure for eliminating thermal deformation of the gantry ram as claimed in claim 1, wherein: the cooling runner includes the cooling bath, and with cooling inlet, the hot outlet of cooling bath intercommunication, wherein:
the cooling groove is an annular groove and is arranged close to an output shaft of the spindle motor;
the cooling inlet and the heat flow outlet are through holes to communicate the outside and the cooling tank.
3. The cooling structure for eliminating thermal deformation of the gantry ram as claimed in claim 2, wherein: the cooling groove is a circular groove;
the number of the sealing rings is two, and the sealing rings are respectively embedded on the inner side and the outer side of the cooling groove.
4. The cooling structure for eliminating thermal deformation of the gantry ram according to claim 3, wherein: the sealing ring is an O-shaped sealing ring and is embedded in an embedding groove, and the embedding groove is an inner groove formed in the motor connecting plate.
5. The cooling structure for eliminating thermal deformation of the gantry ram as claimed in claim 1, wherein: the motor connecting plate is a heat-conducting flat plate body, and the mounting through holes are circular through holes.
6. The cooling structure for eliminating thermal deformation of the gantry ram as claimed in claim 1, wherein: the part of the motor connecting plate, which is close to the mounting through hole, is provided with an inner concave surface, and the cooling flow channel and the sealing ring are both positioned at the inner concave surface;
the oil cooling cover plate is matched with the inner concave surface and is buckled at the inner concave surface.
7. The cooling structure for eliminating thermal deformation of a gantry ram according to claim 1 or 6, wherein: the oil cooling cover plate is a circular plate body.
8. The cooling structure for eliminating thermal deformation of the gantry ram as claimed in claim 7, wherein: the outer side surface of the oil cooling cover plate extends outwards to form a connecting lug, and a connecting hole is formed in the connecting lug;
the number of the connecting lugs is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122765817.6U CN216228323U (en) | 2021-11-12 | 2021-11-12 | Cooling structure for eliminating thermal deformation of gantry ram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122765817.6U CN216228323U (en) | 2021-11-12 | 2021-11-12 | Cooling structure for eliminating thermal deformation of gantry ram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216228323U true CN216228323U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122765817.6U Active CN216228323U (en) | 2021-11-12 | 2021-11-12 | Cooling structure for eliminating thermal deformation of gantry ram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216228323U (en) |
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2021
- 2021-11-12 CN CN202122765817.6U patent/CN216228323U/en active Active
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