CN212094496U - Phase self-locking boring sleeve - Google Patents
Phase self-locking boring sleeve Download PDFInfo
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- CN212094496U CN212094496U CN202020689324.1U CN202020689324U CN212094496U CN 212094496 U CN212094496 U CN 212094496U CN 202020689324 U CN202020689324 U CN 202020689324U CN 212094496 U CN212094496 U CN 212094496U
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- inner ring
- boring
- boring sleeve
- sleeve
- outer ring
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Abstract
The utility model discloses a phase place is from locking boring cover belongs to machining equipment technical field. The inner ring supporting piece is connected with the bearing inner ring b and the boring sleeve inner ring respectively, a boring sleeve key groove is formed in the boring sleeve inner ring, a phase pin penetrates through the boring sleeve inner ring, one end of a spring is connected with the inner ring supporting piece, the other end of the spring is connected with the phase pin, a positioning insertion block is arranged at the top of the phase pin side, and a positioning opening matched with the positioning insertion block in size is formed in the outer ring supporting piece. The beneficial effects are that: after the boring tool is withdrawn, the spring pushes the phase pin to extend out of the inner ring of the boring sleeve, and the positioning insert block of the phase pin is inserted into the positioning notch, so that the inner ring of the boring sleeve is positioned and cannot rotate, the phase of the key groove of the boring sleeve on the inner ring of the boring sleeve is locked and matched with the phase of the tool feeding, and the normal tool feeding of the boring tool is ensured.
Description
Technical Field
The utility model relates to a phase place is from locking boring cover belongs to machining equipment technical field.
Background
Due to the length of the boring cutter, when the boring cutter works, a boring sleeve needs to be arranged at the end part to support the boring cutter in an auxiliary mode so that the boring cutter can work normally, and the boring machining precision is guaranteed. In order to avoid abrasion of the boring cutter, the inner ring of the boring sleeve and the boring cutter bar rotate synchronously, and in order to achieve the purpose, a key groove is usually arranged on the boring sleeve, and after the boring cutter is fed, a cutter key on the boring sleeve enters the key groove, so that the inner ring of the boring sleeve is driven to rotate. The boring cutter is fed in the same posture every time, so that the position of a key groove on the inner ring of the boring sleeve is ensured to be unchanged so as to be matched with the feeding posture of the boring cutter. When the boring cutter is separated from the boring sleeve, the rotation of the inner ring of the boring sleeve is not controlled, and the position of the key slot can change the phase position due to the rotation of the inner ring of the boring sleeve, so that the normal feed of the boring cutter is influenced.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model aims at providing a phase place is from locking boring cover, after the boring cutter moves back, keyway phase place locking guarantees that next feed process can go on smoothly.
The technical scheme of the utility model is that: a bearing outer ring a and a bearing outer ring b are fixedly connected in a boring sleeve outer ring, an outer ring supporting piece is connected between the bearing outer ring a and the bearing outer ring b, the outer ring supporting piece is fixedly connected with the boring sleeve outer ring, a bearing inner ring a and a bearing inner ring b are respectively connected with a boring sleeve inner ring, the bearing inner ring b and the boring sleeve inner ring are respectively connected with an inner ring supporting piece, a boring sleeve key groove is formed in the boring sleeve inner ring, a phase pin penetrates through the boring sleeve inner ring, one end of a spring is connected with the inner ring supporting piece, the other end of the spring is connected with the phase pin, a positioning insertion block is arranged at the top of the phase pin side, and a positioning opening matched with the positioning insertion block in size.
The outer ring supporting piece is connected with the outer ring of the boring sleeve through a fixing screw.
The bearing inner ring a is rotatably connected with the bearing outer ring a through a ball a, and the bearing inner ring b is rotatably connected with the bearing outer ring b through a ball b.
The outer ring of the boring sleeve is fixed on the mounting seat.
The side surface of the bearing inner ring a is in contact with a boss a of the boring sleeve inner ring, one side surface of the end part of the inner ring support member is in contact with the side surface of the bearing inner ring b, and the other side surface of the end part of the inner ring support member is in contact with a boss b of the boring sleeve inner ring.
The utility model has the advantages that: after the boring tool is withdrawn, the spring pushes the phase pin to extend out of the inner ring of the boring sleeve, and the positioning insert block of the phase pin is inserted into the positioning notch, so that the inner ring of the boring sleeve is positioned and cannot rotate, the phase of the key groove of the boring sleeve on the inner ring of the boring sleeve is locked and matched with the phase of the tool feeding, and the normal tool feeding of the boring tool is ensured.
Drawings
FIG. 1 is an overall view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the outer race support;
figure 4 is a cross-sectional view of the outer race support.
The reference numbers in the figures are as follows: 1. the boring sleeve comprises a boring sleeve outer ring 2.1, bearing outer rings a and 2.2, bearing outer rings b and 3.1, bearing inner rings a and 3.2, bearing inner rings b and 4, a boring sleeve inner ring 4.1, bosses a and 4.2, bosses b and 5, a boring sleeve key groove 6, phase pins 7, springs and 8, positioning insertion blocks 9, positioning notches 10, fixing screws 11.1, balls a and 11.2, balls b and 12, a mounting seat 13, an inner ring supporting piece 14 and an outer ring supporting piece.
Detailed Description
The invention will be further explained with reference to the accompanying drawings 1-4:
a bearing outer ring a2.1 and a bearing outer ring b2.2 are fixedly connected in a boring sleeve outer ring 1, an outer ring supporting piece 12 is connected between the bearing outer ring a2.1 and the bearing outer ring b2.2, so that the bearing outer ring a2.1 and the bearing outer ring b2.2 cannot move in a string mode, the outer ring supporting piece 12 is fixedly connected with the boring sleeve outer ring 1, a boring sleeve inner ring 4 is respectively connected with a bearing inner ring a3.1 and a bearing inner ring b3.2, an inner ring supporting piece 13 is respectively connected with the bearing inner ring b3.2 and the boring sleeve inner ring 4, a boring sleeve key groove 5 is formed in the boring sleeve inner ring 4, a phase pin 6 penetrates through the boring sleeve inner ring 4, one end of a spring 7 is connected with the supporting piece 13, the other end of the spring 7 is connected with the phase pin 6, a positioning insertion block 8 is arranged at the top of the side of the phase pin 6, and a positioning notch 9 matched with the positioning. The outer ring support 12 is connected with the boring sleeve outer ring 1 through a fixing screw 10. The bearing inner ring a3.1 is rotationally connected with the bearing outer ring a2.1 through a ball a11.1, and the bearing inner ring b3.2 is rotationally connected with the bearing outer ring b2.2 through a ball b 11.2. The outer ring 1 of the boring sleeve is fixed on the mounting seat 12. The side surface of the bearing inner ring a3.1 is contacted with a boss a4.1 of the boring sleeve inner ring 4, one side surface of the end part of the inner ring support 13 is contacted with the side surface of the bearing inner ring b3.2, and the other side surface of the end part of the inner ring support 13 is contacted with a boss b4.2 of the boring sleeve inner ring 4, so that the bearing inner ring a3.1 and the bearing inner ring b3.2 cannot move in a crossing manner.
The utility model discloses the working process is as follows:
when the boring cutter works, the end part of the phase pin is abutted against the cutter bar, the positioning insert block 8 is in a separated state from the positioning gap 9 on the outer ring support member 14 under the driving of the phase pin 6, and the boring cutter drives the inner ring 4 of the boring sleeve, the inner ring a3.1 of the bearing, the inner ring b3.2 of the bearing and the inner ring support member 13 to synchronously rotate; after the boring cutter is operated, the boring cutter stops rotating, the phase position of each time of stopping of the boring cutter is consistent, in the state, the positioning opening 9 on the outer ring support piece 14 is opposite to the positioning insert block 8, in the cutter withdrawing process, after the boring cutter is separated from the phase pin 6, the phase pin 6 is pushed towards the direction of the boring sleeve key groove 5 under the action of the spring 7, the positioning insert block 8 on the phase pin 6 enters the positioning opening 9, the phase pin 6 cannot rotate due to the fact that the outer ring support piece 14 is fixed, and therefore the boring sleeve inner ring 4 and the boring sleeve key groove 5 cannot rotate, the phase position of the boring sleeve key groove 5 is locked, the cutter feeding and cutter withdrawing postures of the boring cutter are the same, the locked phase position can be matched with the boring cutter when the boring cutter feeds again, and normal cutter feeding of the boring cutter is guaranteed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A phase self-locking boring sleeve is characterized in that a bearing outer ring a (2.1) and a bearing outer ring b (2.2) are fixedly connected in a boring sleeve outer ring (1), an outer ring support member (14) is connected between the bearing outer ring a (2.1) and the bearing outer ring b (2.2), the outer ring support piece (14) is fixedly connected with the boring sleeve outer ring (1), the boring sleeve inner ring (4) is respectively connected with the bearing inner ring a (3.1) and the bearing inner ring b (3.2), the inner ring support piece (13) is respectively connected with the bearing inner ring b (3.2) and the boring sleeve inner ring (4), the boring sleeve inner ring (4) is provided with a boring sleeve key groove (5), the phase pin (6) penetrates through the boring sleeve inner ring (4), one end of the spring (7) is connected with the inner ring supporting piece (13), the other end of the spring (7) is connected with the phase pin (6), the top of the side of the phase pin (6) is provided with a positioning insertion block (8), and the outer ring supporting piece (14) is provided with a positioning opening (9) matched with the positioning insertion block (8) in size.
2. The phase self-locking boring sleeve according to claim 1, characterized in that the outer ring support (14) is connected to the boring sleeve outer ring (1) by means of a fixing screw (10).
3. The phase self-locking boring sleeve according to claim 1, characterized in that the bearing inner ring a (3.1) is rotationally connected with the bearing outer ring a (2.1) through balls a (11.1), and the bearing inner ring b (3.2) is rotationally connected with the bearing outer ring b (2.2) through balls b (11.2).
4. The phase self-locking boring sleeve according to claim 1, characterized in that the outer ring (1) of the boring sleeve is fixed on a mounting seat (12).
5. The phase self-locking boring sleeve as claimed in claim 1, characterized in that the side surface of the bearing inner ring a (3.1) is in contact with the boss a (4.1) of the boring sleeve inner ring (4), one side surface of the end of the inner ring support (13) is in contact with the side surface of the bearing inner ring b (3.2), and the other side surface of the end of the inner ring support (13) is in contact with the boss b (4.2) of the boring sleeve inner ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020689324.1U CN212094496U (en) | 2020-04-29 | 2020-04-29 | Phase self-locking boring sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020689324.1U CN212094496U (en) | 2020-04-29 | 2020-04-29 | Phase self-locking boring sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212094496U true CN212094496U (en) | 2020-12-08 |
Family
ID=73617933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020689324.1U Active CN212094496U (en) | 2020-04-29 | 2020-04-29 | Phase self-locking boring sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212094496U (en) |
-
2020
- 2020-04-29 CN CN202020689324.1U patent/CN212094496U/en active Active
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