CN213744564U - Screw rod support bearing cooling mechanism - Google Patents
Screw rod support bearing cooling mechanism Download PDFInfo
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- CN213744564U CN213744564U CN202022470636.6U CN202022470636U CN213744564U CN 213744564 U CN213744564 U CN 213744564U CN 202022470636 U CN202022470636 U CN 202022470636U CN 213744564 U CN213744564 U CN 213744564U
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Abstract
The utility model discloses a lead screw support bearing cooling body, including the lead screw body, the both ends of lead screw body all are equipped with the connection axial region, and the plug bush of connecting axle portion is in the bearing frame body, and the internally mounted of bearing frame body has a plurality of bearings, and the inner circle card of bearing is put on the lateral wall of connecting the axial region, and the shaping has the coolant liquid inlet port on the interior terminal surface of bearing frame body, and the coolant liquid inlet port communicates with each other with the interior cavity of bearing frame body, and the shaping has coolant liquid oil drain hole on the lateral wall of the outer end department of bearing frame body, and the coolant liquid oil drain hole communicates with each other with the interior cavity of bearing frame body. The inner end face of the bearing seat body is provided with the cooling liquid oil inlet hole, the outer end side wall of the bearing seat body is provided with the cooling liquid oil discharge hole, so that the cooling liquid flowing in the bearing seat body is realized, the heat in the bearing is taken away quickly, the lead screw body is prevented from generating heat, the precision of the lead screw body is guaranteed, and the machining precision of a machine tool is improved.
Description
The technical field is as follows:
the utility model relates to a machining equipment technical field, more specifically say and relate to a lead screw support bearing cooling body.
Background art:
the lubrication of the screw rod supporting bearing on the machining center machine is generally performed by grease lubrication, so that a large amount of heat can be generated when the screw rod supporting bearing rotates at a high speed, the heat can be transferred to the screw rod, the screw rod is heated and extended, the original precision of the screw rod is influenced, and the machining precision of the machine tool is reduced. Through the structure of improving the bearing frame, adopt the lubricated problem that just can be fine solution bearing generate heat of cooling lubricating oil.
The utility model has the following contents:
the utility model aims at overcoming prior art's is not enough, provides a lead screw support bearing cooling body, and it sets up the coolant liquid inlet port through the interior terminal surface at the bearing frame body, sets up coolant liquid oil drain hole at the outer end lateral wall of bearing frame body for realize the coolant liquid in the bearing frame body and flow, thereby take away the heat in the bearing fast, prevent that the lead screw body from generating heat, guarantee its precision, and improve the machining precision of lathe.
The utility model provides a technical problem's scheme is:
the utility model provides a lead screw support bearing cooling body, includes the lead screw body, the both ends of lead screw body all are equipped with the connecting shaft portion, and connecting shaft portion plug bush is in the bearing frame body, and the internally mounted of bearing frame body has a plurality of bearings, and the inner circle card of bearing is put on the lateral wall of connecting shaft portion, and the shaping has the coolant liquid inlet port on the interior terminal surface of bearing frame body, and the coolant liquid inlet port communicates with each other with the interior cavity of bearing frame body, and the shaping has coolant liquid oil drain hole on the lateral wall of the outer end department of bearing frame body, and the coolant liquid oil drain hole communicates with each other with the interior cavity of bearing frame body.
The both ends shaping of lead screw body has the transition axial region, and the outer end middle part shaping of transition axial region has the connection axial region, and the diameter of connecting the axial region is less than the transition axial region.
The bearing seat comprises a bearing seat body, an inner cavity is formed in the middle of the outer end of the bearing seat body, an insertion hole is formed in the middle of the inner end face of the inner cavity, the insertion hole extends out of the outer end face of the bearing seat body, a transition shaft portion is inserted in the insertion hole, a connecting shaft portion is inserted in the inner cavity, the outer rings of a plurality of bearings are fixed on the inner side wall of the inner cavity, all the bearings are close to each other, the outer ring end face of the innermost bearing is pressed against the inner end face of the inner cavity, the outer end of the bearing seat body is fixedly connected with an end cover through a bolt, an insertion portion formed in the inner end of the end cover is inserted in the inner cavity and pressed against the outer ring end face of the outermost bearing, and the connecting shaft portion is inserted in a central through hole of the end cover.
And a guide through hole is formed in the side wall of the insertion part and communicated with the cooling liquid oil discharge hole.
The spacer bush and the locking nut are inserted in the central through hole of the end cover, the spacer bush is inserted in the outer end of the connecting shaft portion, an outer threaded portion is formed in the outer end of the connecting shaft portion, the locking nut is in threaded connection with the outer threaded portion, the inner end face of the locking nut is pressed against the outer end face of the spacer bush, and the inner end face of the spacer bush is pressed against the end face of the inner ring of the outermost bearing.
The inner end face of the bearing seat body is fixedly provided with a connector, the connector is communicated with the cooling liquid inlet hole, and a sealing ring is clamped between the connector and the inner end face of the bearing seat body.
An annular groove is formed in the inner side wall of the inner end of the jack, the first oil seal is nested in the annular groove, the outer wall surface of the first oil seal is pressed against the inner side wall of the annular groove, and the inner wall surface of the first oil seal is pressed against the outer side wall of the transition shaft portion.
An outer annular groove is formed in the inner side wall of the outer end of the central through hole of the end cover, the second oil seal is nested in the outer annular groove, the outer side wall of the second oil seal is clamped on the inner side wall of the outer annular groove, and the inner side wall of the second oil seal is pressed against the outer side wall of the spacer sleeve.
And a first sealing ring is clamped between the inner side wall of the spacer sleeve and the outer side wall of the connecting shaft part.
And a second sealing ring is clamped between the outer side wall of the insertion part of the end cover and the inner side wall of the outer end of the inner cavity of the bearing seat body.
The utility model discloses an outstanding effect is:
the inner end face of the bearing seat body is provided with the cooling liquid oil inlet hole, the outer end side wall of the bearing seat body is provided with the cooling liquid oil discharge hole, so that the cooling liquid flowing in the bearing seat body is realized, the heat in the bearing is taken away quickly, the lead screw body is prevented from generating heat, the precision of the lead screw body is guaranteed, and the machining precision of a machine tool is improved.
Description of the drawings:
fig. 1 is a partial structural schematic diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a partial side view of the present invention.
The specific implementation mode is as follows:
an embodiment, see as shown in fig. 1 to 3, a screw rod supporting bearing cooling mechanism, including a screw rod body 10, both ends of the screw rod body 10 are provided with a connecting shaft portion 11, the connecting shaft portion 11 is inserted and sleeved in a bearing seat body 20, a plurality of bearings 21 are installed inside the bearing seat body 20, an inner ring of each bearing 21 is clamped on an outer side wall of the connecting shaft portion 11, a coolant inlet 22 is formed on an inner end surface of the bearing seat body 20, the coolant inlet 22 is communicated with an inner cavity of the bearing seat body 20, a coolant outlet 23 is formed on a side wall of an outer end of the bearing seat body 20, and the coolant outlet 23 is communicated with an inner cavity of the bearing seat body 20.
Further, transition shaft parts 12 are formed at two ends of the lead screw body 10, a connection shaft part 11 is formed in the middle of the outer end of the transition shaft part 12, and the diameter of the connection shaft part 11 is smaller than that of the transition shaft part 12.
Further, an inner cavity is formed in the middle of the outer end of the bearing seat body 20, an insertion hole 24 is formed in the middle of the inner end face of the inner cavity, the insertion hole 24 extends out of the outer end face of the bearing seat body 20, the transition shaft portion 12 is inserted in the insertion hole 24, the connection shaft portion 11 is inserted in the inner cavity, outer rings of the plurality of bearings 21 are fixed on the inner side wall of the inner cavity, all the bearings 21 are abutted against each other, the outer ring end face of the innermost bearing 21 presses against the inner end face of the inner cavity, the outer end of the bearing seat body 20 is fixedly connected with an end cover 30 through a bolt, an insertion portion 31 formed at the inner end of the end cover 30 is inserted in the inner cavity and presses against the outer ring end face of the outermost bearing 21, and the connection shaft portion 11 is inserted in a central through hole of the end cover 30.
Further, a guide through hole 33 is formed on a side wall of the insertion part 31, and the guide through hole 33 is communicated with the coolant drain hole 23.
Further, a spacer 1 and a lock nut 2 are inserted into the central through hole of the end cap 30, the spacer 1 is inserted into the outer end of the connecting shaft portion 11, an outer threaded portion 111 is formed at the outer end of the connecting shaft portion 11, the lock nut 2 is threaded onto the outer threaded portion 111, the inner end surface of the lock nut 2 is pressed against the outer end surface of the spacer 1, and the inner end surface of the spacer 1 is pressed against the inner ring end surface of the outermost bearing 21.
Further, a connector 3 is fixed on the inner end surface of the bearing seat body 20, the connector 3 is communicated with the coolant inlet 22, and a sealing ring is clamped between the connector 3 and the inner end surface of the bearing seat body 20.
Further, an annular groove 241 is formed on the inner side wall of the inner end of the insertion hole 24, the first oil seal 4 is nested in the annular groove 241, the outer wall surface of the first oil seal 4 is pressed against the inner side wall of the annular groove 241, and the inner wall surface of the first oil seal 4 is pressed against the outer side wall of the transition shaft portion 12.
Furthermore, an outer annular groove 34 is formed in the inner side wall of the outer end of the central through hole of the end cover 30, the second oil seal 5 is nested in the outer annular groove 34, the outer side wall of the second oil seal 5 is clamped on the inner side wall of the outer annular groove 34, and the inner side wall of the second oil seal 5 is pressed against the outer side wall of the spacer 1.
Further, the first seal ring 6 is sandwiched between the inner wall of the spacer 1 and the outer wall of the connecting shaft portion 11.
Furthermore, the second sealing ring 7 is clamped between the outer side wall of the insertion part 31 of the end cover 30 and the inner side wall of the outer end of the inner cavity of the bearing seat body 20.
In this embodiment, its cooling fluid passes through in connector 3 gets into coolant liquid inlet port 22, then, get into the interior cavity of bearing frame body 20, all bearings 21 in the interior cavity carry out the cooling lubrication, and carry out the heat transfer rather than, take away bearing 21 and lead screw body 10's heat through cooling fluid and discharge to the coolant liquid backward flow pond from the fluid-discharge tube that leads to on coolant liquid oil drain hole 23 at last, realize circulative cooling and lubrication, guarantee that lead screw body 10 warp for a short time, the precision is high, thereby guarantee that the machining precision is high, the machining effect is good.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (10)
1. The utility model provides a lead screw support bearing cooling body, includes lead screw body (10), its characterized in that: the both ends of lead screw body (10) all are equipped with connection axial region (11), connect axial region (11) plug bush in bearing frame body (20), the internally mounted of bearing frame body (20) has a plurality of bearings (21), the inner circle card of bearing (21) is put on the lateral wall of connecting axial region (11), the shaping has coolant liquid inlet port (22) on the interior terminal surface of bearing frame body (20), coolant liquid inlet port (22) communicates with each other with the interior cavity of bearing frame body (20), the shaping has coolant liquid oil drain hole (23) on the lateral wall of the outer end department of bearing frame body (20), coolant liquid oil drain hole (23) communicate with each other with the interior cavity of bearing frame body (20).
2. The screw support bearing cooling mechanism of claim 1, wherein: the two ends of the screw rod body (10) are formed with transition shaft parts (12), the middle parts of the outer ends of the transition shaft parts (12) are formed with connecting shaft parts (11), and the diameters of the connecting shaft parts (11) are smaller than the transition shaft parts (12).
3. The screw support bearing cooling mechanism of claim 2, wherein: an inner cavity is formed in the middle of the outer end of the bearing seat body (20), a jack (24) is formed in the middle of the inner end face of the inner cavity, the jack (24) extends out of the outer end face of the bearing seat body (20), the transition shaft portion (12) is inserted in the jack (24), the connection shaft portion (11) is inserted in the inner cavity, outer rings of a plurality of bearings (21) are fixed on the inner side wall of the inner cavity, all the bearings (21) are abutted against each other, the end face of the outer ring of the innermost bearing (21) is pressed against the inner end face of the inner cavity, an end cover (30) is fixedly connected to the outer end of the bearing seat body (20) through bolts, an insertion portion (31) formed in the inner end of the end cover (30) is inserted in the inner cavity and pressed against the end face of the outer ring of the outermost bearing (21), and the connection shaft portion (11) is inserted in a central through hole of the end cover (30).
4. A screw support bearing cooling mechanism as claimed in claim 3, wherein: and a guide through hole (33) is formed in the side wall of the insertion part (31), and the guide through hole (33) is communicated with the cooling liquid oil discharge hole (23).
5. A screw support bearing cooling mechanism as claimed in claim 3, wherein: the spacer bush (1) and the locking nut (2) are inserted in the central through hole of the end cover (30), the spacer bush (1) is inserted in the outer end of the connecting shaft part (11), an outer threaded part (111) is formed at the outer end of the connecting shaft part (11), the locking nut (2) is screwed on the outer threaded part (111), the inner end face of the locking nut (2) is pressed against the outer end face of the spacer bush (1), and the inner end face of the spacer bush (1) is pressed against the inner ring end face of the outermost bearing (21).
6. The screw support bearing cooling mechanism of claim 1, wherein: the bearing seat is characterized in that a connector (3) is fixed on the inner end face of the bearing seat body (20), the connector (3) is communicated with a cooling liquid inlet hole (22), and a sealing ring is clamped between the connector (3) and the inner end face of the bearing seat body (20).
7. A screw support bearing cooling mechanism as claimed in claim 3, wherein: an annular groove (241) is formed in the inner end inner side wall of the insertion hole (24), the first oil seal (4) is nested in the annular groove (241), the outer wall surface of the first oil seal (4) is pressed against the inner side wall of the annular groove (241), and the inner wall surface of the first oil seal (4) is pressed against the outer side wall of the transition shaft portion (12).
8. The screw support bearing cooling mechanism of claim 5, wherein: an outer annular groove (34) is formed in the inner side wall of the outer end of the central through hole of the end cover (30), the second oil seal (5) is nested in the outer annular groove (34), the outer side wall of the second oil seal (5) is clamped on the inner side wall of the outer annular groove (34), and the inner side wall of the second oil seal (5) is pressed on the outer side wall of the spacer sleeve (1).
9. The screw support bearing cooling mechanism of claim 5, wherein: a first sealing ring (6) is clamped between the inner side wall of the spacer sleeve (1) and the outer side wall of the connecting shaft part (11).
10. A screw support bearing cooling mechanism as claimed in claim 3, wherein: and a second sealing ring (7) is clamped between the outer side wall of the insertion part (31) of the end cover (30) and the inner side wall of the outer end of the inner cavity of the bearing seat body (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022470636.6U CN213744564U (en) | 2020-10-31 | 2020-10-31 | Screw rod support bearing cooling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022470636.6U CN213744564U (en) | 2020-10-31 | 2020-10-31 | Screw rod support bearing cooling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213744564U true CN213744564U (en) | 2021-07-20 |
Family
ID=76855905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022470636.6U Active CN213744564U (en) | 2020-10-31 | 2020-10-31 | Screw rod support bearing cooling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213744564U (en) |
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2020
- 2020-10-31 CN CN202022470636.6U patent/CN213744564U/en active Active
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