CN219101889U - Spindle cooling mechanism for static pressure spindle - Google Patents
Spindle cooling mechanism for static pressure spindle Download PDFInfo
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- CN219101889U CN219101889U CN202223527186.5U CN202223527186U CN219101889U CN 219101889 U CN219101889 U CN 219101889U CN 202223527186 U CN202223527186 U CN 202223527186U CN 219101889 U CN219101889 U CN 219101889U
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- spindle
- cooling
- dabber
- mandrel
- oil inlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of static pressure spindle spindles, in particular to a static pressure spindle cooling mechanism which comprises a spindle, a cooling spindle and an oil inlet spindle, wherein the spindle and the cooling spindle are respectively provided with a through hole with two through ends, the cooling mandrel is arranged on the inner wall of the through hole of the main shaft mandrel, the oil inlet mandrel is connected with one end of the main shaft mandrel through a screw, and part of the oil inlet mandrel extends into the through hole of the cooling mandrel, the oil inlet core shaft stretches into one end of the cooling core shaft and is provided with a sealing ring, the other end of the oil inlet core shaft is provided with an oil inlet shell, the oil inlet shell is provided with a mounting hole sleeved on the oil inlet core shaft, the edges of the two ends of the mounting hole are provided with deep groove ball bearings, the inner side of each deep groove ball bearing is provided with a framework oil seal, and the middle part of the outer wall of the oil inlet shell is provided with an overflow pipe formed by extending along the radial direction. The spindle core shaft is cooled, so that the running and the temperature rise of the spindle are reduced, the thermal extension of the spindle core shaft is reduced, and the influence caused by the thermal deformation of the spindle core shaft is reduced; the structural size of the spindle is not affected by the static pressure spindle mandrel cooling mechanism, and the spindle is replaced at will.
Description
Technical Field
The utility model relates to the technical field of static pressure spindle mandrels, in particular to a static pressure spindle mandrel cooling mechanism.
Background
The hydrostatic spindle is widely used in various industries, being a sliding bearing that uses a pressure pump to forcibly pump a pressure lubricant into a small gap between the bearing and the shaft. When the existing static pressure spindle adopts VG10 oil and the spindle runs at a high speed, the spindle core shaft of the spindle heats, the higher the rotating speed is, the more serious the spindle heats, the spindle heats to cause the spindle to extend thermally, and therefore the dimensional stability of part machining is affected.
Disclosure of Invention
The utility model aims to solve the technical problems that: overcomes the defects in the prior art and provides a mandrel cooling mechanism of a static pressure main shaft.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a static pressure main shaft dabber cooling mechanism, includes main shaft dabber, cooling dabber and oil feed dabber, main shaft dabber and cooling dabber all have the through-hole that both ends link up, cooling dabber is installed on the through-hole inner wall of main shaft dabber, oil feed dabber passes through the screw connection in the one end of main shaft dabber, and in the part stretches into the through-hole of cooling dabber, the one end that oil feed dabber stretched into cooling dabber is equipped with the sealing washer, and the oil feed casing is installed to the other end of oil feed dabber, the oil feed casing has the mounting hole of cover at oil feed dabber, the both ends border of mounting hole is provided with deep groove ball bearing, the inboard of deep groove ball bearing is equipped with the skeleton oil blanket, and oil feed casing outer wall middle part has along radial extension overflow pipe that forms.
Further, a circle of flange edges are arranged on the oil inlet mandrel close to the joint of the oil inlet mandrel and the cooling mandrel.
Still further, the both ends of main shaft dabber are equipped with front end housing and rear end cap respectively, the inboard of oil feed dabber flange limit has set gradually first step face and second step face, first step face is higher than the second step face, and first step face cooperates with the inside wall of front end housing, the second step face cooperates with the through-hole inner wall of cooling dabber.
Further, a belt pulley is arranged on the outer side of the flange edge on the oil inlet mandrel through a tensioning sleeve.
Furthermore, a front end bearing sleeve and a rear end bearing sleeve are respectively arranged on the spindle near the front end cover and the rear end cover, the front end bearing sleeve is formed by tightly matching a first inner sleeve and a first outer sleeve, and the rear end bearing sleeve is formed by tightly matching a second inner sleeve and a second outer sleeve.
Further, the first inner sleeve and the second inner sleeve are provided with cooling channels near the outer side wall.
Furthermore, a locking sleeve is arranged between the front end bearing sleeve and the rear end bearing sleeve on the spindle core shaft.
Further, a spiral cooling pipeline is arranged on the cooling mandrel close to the outer side wall.
The beneficial effects of the utility model are as follows: the spindle bearing cooling and the mandrel cooling are combined, so that the flow of static pressure cooling oil is reduced; the spindle core shaft is cooled, so that the running and the temperature rise of the spindle are reduced, the thermal extension of the spindle core shaft is reduced, and the influence caused by the thermal deformation of the spindle core shaft is reduced; the structural size of the spindle is not affected by the static pressure spindle mandrel cooling mechanism, and the spindle is replaced at will.
Drawings
The utility model will be further described with reference to the drawings and embodiments.
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. the novel oil-cooling type hydraulic oil well pipe comprises an oil inlet mandrel, a deep groove ball bearing, an oil inlet shell, a belt pulley, a framework oil seal, an overflow pipe, an expansion sleeve, a cooling mandrel, a main shaft mandrel, a sealing ring, a front end cover, a rear end cover, a first inner sleeve, a first outer sleeve, a second inner sleeve, a second outer sleeve, a locking sleeve, 1-1 flange edges, 1-2 first step surfaces, 1-3 second step surfaces and 8-1 cooling pipelines.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.
As shown in fig. 1, the static pressure spindle mandrel cooling mechanism comprises a spindle mandrel 9, a cooling mandrel 8 and an oil inlet mandrel 1, wherein the spindle mandrel 9 and the cooling mandrel 8 are respectively provided with through holes with two ends being communicated, the cooling mandrel 8 is installed on the inner wall of the through hole of the spindle mandrel 1, the oil inlet mandrel 1 is connected with one end of the spindle mandrel 9 through screws, part of the oil inlet mandrel extends into the through hole of the cooling mandrel 8, a sealing ring 10 is arranged at one end of the oil inlet mandrel 1 extending into the cooling mandrel 8, an oil inlet shell 3 is installed at the other end of the oil inlet mandrel 1, the oil inlet shell 3 is provided with an installation hole sleeved on the oil inlet mandrel 1, deep groove ball bearings 2 are arranged at the edges of the two ends of the installation hole, a framework oil seal 5 is arranged on the inner side of the deep groove ball bearings 2, and an overflow pipe 6 formed by extending along the radial direction is arranged in the middle of the outer wall of the oil inlet shell 3.
Specifically, a circle of flange edges 1-1 are arranged on the oil inlet mandrel 1 near the joint with the cooling mandrel 8. The two ends of the main shaft mandrel 9 are respectively provided with a front end cover 11 and a rear end cover 12, the inner side of a flange edge 1-1 on the oil inlet mandrel 1 is sequentially provided with a first step surface 1-2 and a second step surface 1-3, the first step surface 1-2 is higher than the second step surface 1-3, the first step surface 1-2 is matched with the inner side wall of the front end cover 10, and the second step surface 1-3 is matched with the inner wall of a through hole of the cooling mandrel 8. The outer side of the flange edge 1-1 on the oil inlet mandrel 1 is provided with a belt pulley 4 through a tension sleeve 7. The cooling mandrel 8 is provided with a spiral cooling pipe 8-1 near the outer side wall.
The spindle core 9 is provided with a front end bearing sleeve and a rear end bearing sleeve near the front end cover 11 and the rear end cover 12 respectively, the front end bearing sleeve is formed by tightly matching a first inner sleeve 13 and a first outer sleeve 14, and the rear end bearing sleeve is formed by tightly matching a second inner sleeve 15 and a second outer sleeve 16. Wherein the first inner sleeve 12 and the second inner sleeve 13 are provided with cooling channels near the outer side wall. A locking sleeve 17 is arranged between the front end bearing sleeve and the rear end bearing sleeve on the spindle mandrel 9.
The oil inlet shell 3 is supported on the oil inlet mandrel 1 through the front and rear deep groove ball bearings 2, and a framework oil seal 5 is arranged on the inner side of the deep groove ball bearings 2, so that overflowed static pressure oil can flow back to an oil tank through an overflow pipe 6 to play a role in sealing; the oil inlet mandrel 1 is connected with the cooling mandrel 8, a sealing ring 10 is arranged at the joint, the cooling mandrel 8 penetrates through the spindle mandrel 9, cooling static pressure oil enters the oil inlet shell 3 during operation, a small part of oil flows into an oil return tank of the overflow pipe 6 through a throttling gap, most of the cooling oil firstly enters the oil inlet mandrel 1, and then the spindle mandrel 9 is cooled through a cooling pipeline 8-1 of the cooling mandrel 8, so that running and temperature rise of the spindle mandrel 9 are reduced, the whole spindle bearing is cooled, and the flow of the static pressure cooling oil is reduced.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a static pressure main shaft dabber cooling mechanism which characterized in that: including main shaft dabber, cooling dabber and oil feed dabber, main shaft dabber and cooling dabber all have the through-hole that both ends link up, cooling dabber is installed on the through-hole inner wall of main shaft dabber, the oil feed dabber passes through the one end of screw connection at main shaft dabber, and in the part stretches into the through-hole of cooling dabber, the one end that the oil feed dabber stretched into cooling dabber is equipped with the sealing washer, and the oil feed casing is installed to the other end of oil feed dabber, the oil feed casing has the mounting hole of cover at oil feed dabber, the both ends border of mounting hole is provided with deep groove ball bearing, the inboard of deep groove ball bearing is equipped with the skeleton oil blanket, and oil feed casing outer wall middle part has along radial extension overflow pipe that forms.
2. The hydrostatic spindle arbor cooling mechanism according to claim 1, wherein: and a circle of flange edges are arranged on the oil inlet mandrel near the joint of the oil inlet mandrel and the cooling mandrel.
3. The hydrostatic spindle arbor cooling mechanism according to claim 2, wherein: the two ends of the main shaft core shaft are respectively provided with a front end cover and a rear end cover, the inner side of the flange edge on the oil inlet core shaft is sequentially provided with a first step surface and a second step surface, the first step surface is higher than the second step surface, the first step surface is matched with the inner side wall of the front end cover, and the second step surface is matched with the inner wall of the through hole of the cooling core shaft.
4. The hydrostatic spindle arbor cooling mechanism according to claim 2, wherein: the outside of the flange edge on the oil inlet mandrel is provided with a belt pulley through a tensioning sleeve.
5. The hydrostatic spindle arbor cooling mechanism according to claim 2, wherein: the spindle is characterized in that a front end bearing sleeve and a rear end bearing sleeve are respectively arranged on the spindle near the front end cover and the rear end cover, the front end bearing sleeve is formed by tightly matching a first inner sleeve and a first outer sleeve, and the rear end bearing sleeve is formed by tightly matching a second inner sleeve and a second outer sleeve.
6. The hydrostatic spindle arbor cooling mechanism according to claim 5, wherein: the first inner sleeve and the second inner sleeve are provided with cooling channels close to the outer side wall.
7. The hydrostatic spindle arbor cooling mechanism according to claim 2, wherein: a locking sleeve is arranged between the front end bearing sleeve and the rear end bearing sleeve on the spindle core shaft.
8. The hydrostatic spindle arbor cooling mechanism according to claim 1, wherein: and a spiral cooling pipeline is arranged on the cooling mandrel close to the outer side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223527186.5U CN219101889U (en) | 2022-12-28 | 2022-12-28 | Spindle cooling mechanism for static pressure spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223527186.5U CN219101889U (en) | 2022-12-28 | 2022-12-28 | Spindle cooling mechanism for static pressure spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219101889U true CN219101889U (en) | 2023-05-30 |
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ID=86461188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223527186.5U Active CN219101889U (en) | 2022-12-28 | 2022-12-28 | Spindle cooling mechanism for static pressure spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219101889U (en) |
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2022
- 2022-12-28 CN CN202223527186.5U patent/CN219101889U/en active Active
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