CN209550626U - A kind of principal-axis pull rod structure - Google Patents
A kind of principal-axis pull rod structure Download PDFInfo
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- CN209550626U CN209550626U CN201920123861.7U CN201920123861U CN209550626U CN 209550626 U CN209550626 U CN 209550626U CN 201920123861 U CN201920123861 U CN 201920123861U CN 209550626 U CN209550626 U CN 209550626U
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- pull rod
- ball
- shackle
- shackle member
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Abstract
The utility model discloses a kind of principal-axis pull rod structures, including pull rod and shackle member, one end of the pull rod is connected with the nut for connecting with power mechanism, the other end of the pull rod and one end of shackle member connect, the other end of the shackle member is equipped with the shackle passageway for connecting knife handle, ball hole is distributed in the shackle member in a ring on the outer wall of shackle passageway one end, and the ball hole is connected to shackle passageway, and ball is equipped in the ball hole.The utility model, which is used, is arranged ball hole in shackle passageway, and is clamped by the ball in ball hole to knife handle, improves the machining accuracy of cutter so that the stability of cutter is more preferable instead of the mode that conventionally employed claw carries out clamping.
Description
Technical field
The utility model relates to numerical control machine tool clamp technical fields, more particularly to a kind of principal-axis pull rod structure.
Background technique
In milling machine, pull rod is one of spindle unit, is mainly used for fastening milling chuck, plays the role of hanging tight, prevent
Cutterhead and milling chuck are thrown away when processing part.
China Patent No. is that the utility model of CN202174250U discloses a kind of principal-axis pull rod structure comprising pull rod,
Claw and disk spring, one end and pull rod lower end of the claw are clamped, the other end clamp-on tool blind rivet of claw, disk spring
It is sleeved on pull rod, the pull rod threaded upper ends are connected with nut, card slot are equipped in the outside of nut on the pull rod, in card slot
Equipped with snap ring, pull rod drives claw to move up under the action of butterfly spring elastic force, and claw one end accompanies cutter blind rivet, from
And realize main spindle broach, and in main shaft tool changing, pull rod under the effect of external force, compresses butterfly spring, and drive claw to move down,
Make claw loosening cutter blind rivet, completes main shaft tool changing, but the pull rod is clamped cutter using the folding tension of claw,
Meeting is so that the discontinuity equalization on cutter influences the machining accuracy of cutter so that the stability of cutter is poor.
Utility model content
In order to overcome the shortcomings of the prior art, the utility model provides a kind of stress equalization, and stability is good and energy
Enough improve the principal-axis pull rod structure of tool sharpening precision.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of principal-axis pull rod structure, including pull rod
And shackle member, one end of the pull rod are connected with the nut for connecting with power mechanism, the other end of the pull rod and clamping
One end of part connects, and the other end of the shackle member is equipped with the shackle passageway for connecting knife handle, and the shackle member is close to clamping
Ball hole is distributed on the outer wall of one end of the channel in a ring, the ball hole is connected to shackle passageway, is equipped in the ball hole
Ball.
Preferably, the ball hole is equipped with 4~8.
Preferably, the ball hole is equipped with 6, and 6 ball holes are distributed in shackle member close to card in a ring
It connects on the outer wall of one end of the channel.
Preferably, the diameter of the ball is greater than the diameter of ball hole.
Preferably, venthole is equipped on the two sides outer wall of the shackle member, the venthole is located at ball hole
Rear, the venthole is connected to shackle passageway.
Preferably, one end that the nut is connect with pull rod be equipped with internal screw thread, the pull rod close to nut one
End is equipped with the external screw thread matched with internal screw thread.
Preferably, the end of one end that the nut is connect with pull rod is equipped with the first fixation hole, on the pull rod
Equipped with the second fixation hole matched with the first fixation hole.
Preferably, the middle part of the nut is equipped with knife pin hole, and the knife pin hole with power mechanism for connecting.
Compared with prior art, the utility model has the beneficial effects that in the threaded one end attaching nut of pull rod, and in spiral shell
Female middle part is equipped with the knife pin for connecting with power mechanism, connects shackle member in the other end of pull rod, one end of knife handle is protruded into
Into the shackle passageway of shackle member, when pull rod under external force, drive shackle member move upwards so that the ball in shackle member
One end of knife handle is blocked by the ball in ball hole, when pull rod under external force, drive shackle member move downward so that card
Ball on fitting unclamps the clamping to one end of knife handle, due to being distributed in shackle passageway using rolling ring shape, so that knife handle one
The stress equalization at end improves cutter so that the stability of cutter is more preferable instead of the mode that conventionally employed claw carries out clamping
Machining accuracy.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram in main spindle broach structure installation main shafts.
Fig. 2 is the schematic diagram of principal-axis pull rod structure in embodiment 1.
Fig. 3 is the connection schematic diagram of pull rod and nut in principal-axis pull rod structure in embodiment 1.
Fig. 4 is the schematic diagram of principal-axis pull rod structure in embodiment 2.
1- main shaft；2- principal-axis pull rod structure；201- nut；202- knife pin hole；The first fixation hole of 203-；204- pull rod；
205- shackle member；206- venthole；207- ball hole；208- shackle passageway；209- external screw thread；3- knife handle.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Embodiment 1
Please refer to Fig. 1-3, which is installed to inside main shaft comprising pull rod 204, shackle member 205 and
For with the nut 201 that is connected by power, be equipped with knife pin hole 202 at the middle part of nut 201, knife pin passes through knife pin hole 202, so that spiral shell
Mother 201 connect with power mechanism, internal screw thread (not shown) is equipped in one end of nut 201, in pull rod 204 close to nut 201
One end is equipped with the external screw thread 209 matched with internal screw thread (not shown), and nut 201 passes through internal screw thread (not shown) and external screw thread
209 mutual cooperation is connected to one end of pull rod 204, and it is solid to be equipped with first in the end of one end that nut 201 is connect with pull rod 204
Determine hole 203, the second fixation hole (not shown) matched with the first fixation hole 203 is equipped on pull rod 204, screw is each passed through
First fixation hole 203 and the second fixation hole (not shown), further ensure that nut 201 is fixed on strongerly on pull rod 204,
It avoids loosening during the work time, influences to process；One end of shackle member 205 and the other end integrally connected of pull rod 204, In
The other end of shackle member 205 is equipped with the shackle passageway 208 for connecting knife handle 3, in shackle member 205 close to shackle passageway 208 1
4 ball holes 207 are distributed on the outer wall at end in a ring, ball hole 207 is connected to shackle passageway 208, is equipped in ball hole 207
Ball, the diameter of ball are greater than the diameter of ball hole 207, and knife handle 3 extend into shackle passageway 208 and is clamped, in shackle member
Venthole 206 is equipped on 205 two sides outer wall, venthole 206 is located at the rear of ball hole 207, and venthole 206 and clamping are logical
Road 208 is connected to, and the impurity that gas can be cleaned effectively in shackle passageway 208 is passed through in venthole 206.
The present embodiment the utility model has the advantages that pull rod 204 threaded one end attaching nut 201, and set at the middle part of nut 201
There is the knife pin hole 202 for connecting with power mechanism, connects shackle member 205 in the other end of pull rod 204, one end of knife handle 3 is stretched
Enter into the shackle passageway 208 of shackle member 205, when pull rod 204 under external force, drive shackle member 205 move upwards so that
Ball in shackle member 205 is blocked one end of knife handle 3 by the ball in ball hole 207, when pull rod 204 under external force,
Shackle member 205 is driven to move downward, so that the ball in shackle member 205 unclamps the clamping to one end of knife handle 3, due to ball hole
207 are equipped with 4, and annular spread is in shackle member 205, so that the stress equalization of 3 one end of knife handle, instead of conventionally employed claw
The mode for carrying out clamping improves the machining accuracy of cutter so that the stability of cutter is more preferable.
Embodiment 2
Please refer to Fig. 1-4, which is installed to inside main shaft comprising pull rod 204, shackle member 205 and
For with the nut 201 that is connected by power, be equipped with knife pin hole 202 at the middle part of nut 201, knife pin passes through knife pin hole 202, so that spiral shell
Mother 201 connect with power mechanism, internal screw thread (not shown) is equipped in one end of nut 201, in pull rod 204 close to nut 201
One end is equipped with the external screw thread 209 matched with internal screw thread (not shown), and nut 201 passes through internal screw thread (not shown) and external screw thread
209 mutual cooperation is connected to one end of pull rod 204, and it is solid to be equipped with first in the end of one end that nut 201 is connect with pull rod 204
Determine hole 203, the second fixation hole (not shown) matched with the first fixation hole 203 is equipped on pull rod 204, screw is each passed through
First fixation hole 203 and the second fixation hole (not shown), further ensure that nut 201 is fixed on strongerly on pull rod 204,
It avoids loosening during the work time, influences to process；One end of shackle member 205 and the other end integrally connected of pull rod 204, In
The other end of shackle member 205 is equipped with the shackle passageway 208 for connecting knife handle 3, in shackle member 205 close to shackle passageway 208 1
6 ball holes 207 are distributed on the outer wall at end in a ring, ball hole 207 is connected to shackle passageway 208, is equipped in ball hole 207
Ball, the diameter of ball are greater than the diameter of ball hole 207, and knife handle 3 extend into shackle passageway 208 and is clamped, in shackle member
Venthole 206 is equipped on 205 two sides outer wall, venthole 206 is located at the rear of ball hole 207, and venthole 206 and clamping are logical
Road 208 is connected to, and the impurity that gas can be cleaned effectively in shackle passageway 208 is passed through in venthole 206.
The present embodiment the utility model has the advantages that pull rod 204 threaded one end attaching nut 201, and set at the middle part of nut 201
There is the knife pin hole 202 for connecting with power mechanism, connects shackle member 205 in the other end of pull rod 204, one end of knife handle 3 is stretched
Enter into the shackle passageway 208 of shackle member 205, when pull rod 204 under external force, drive shackle member 205 move upwards so that
Ball in shackle member 205 is blocked one end of knife handle by the ball in ball hole 207, when pull rod 204 under external force, band
Dynamic shackle member 205 moves downward, so that the ball in shackle member 205 unclamps the clamping to one end of knife handle 3, due to ball hole
207 are equipped with 6, and annular spread further increases the contact of the various pieces to 3 one end of knife handle, make in shackle member 205
The stress for obtaining 3 one end of knife handle is more balanced, the mode of clamping is carried out instead of conventionally employed claw, so that the stability of cutter is more
It is good, improve the machining accuracy of cutter.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (8)
1. a kind of principal-axis pull rod structure, it is characterised in that: including pull rod and shackle member, one end of the pull rod be connected with for
The nut of power mechanism connection, the other end of the pull rod and one end of shackle member connect, and the other end of the shackle member is equipped with
For connecting the shackle passageway of knife handle, ball hole is distributed on the outer wall of shackle passageway one end in the shackle member in a ring,
The ball hole is connected to shackle passageway, and ball is equipped in the ball hole.
2. principal-axis pull rod structure according to claim 1, it is characterised in that: the ball hole is equipped with 4~8.
3. principal-axis pull rod structure according to claim 2, it is characterised in that: the ball hole is equipped with 6,6 rollings
The hole of bead is distributed in shackle member on the outer wall of shackle passageway one end in a ring.
4. principal-axis pull rod structure according to claim 3, it is characterised in that: the diameter of the ball is greater than the straight of ball hole
Diameter.
5. principal-axis pull rod structure according to claim 1, it is characterised in that: be equipped on the two sides outer wall of the shackle member
Venthole, the venthole are located at the rear of ball hole, and the venthole is connected to shackle passageway.
6. principal-axis pull rod structure according to claim 1, it is characterised in that: one end that the nut is connect with pull rod is equipped with
Internal screw thread, the pull rod are equipped with the external screw thread matched with internal screw thread close to one end of nut.
7. principal-axis pull rod structure according to claim 5, it is characterised in that: the end of one end that the nut is connect with pull rod
Portion is equipped with the first fixation hole, and the pull rod is equipped with the second fixation hole matched with the first fixation hole.
8. principal-axis pull rod structure according to claim 6, it is characterised in that: the middle part of the nut is equipped with knife pin hole, institute
Knife pin hole is stated for connecting with power mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123861.7U CN209550626U (en) | 2019-01-24 | 2019-01-24 | A kind of principal-axis pull rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123861.7U CN209550626U (en) | 2019-01-24 | 2019-01-24 | A kind of principal-axis pull rod structure |
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| Publication Number | Publication Date |
|---|---|
| CN209550626U true CN209550626U (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920123861.7U Active CN209550626U (en) | 2019-01-24 | 2019-01-24 | A kind of principal-axis pull rod structure |
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| CN (1) | CN209550626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622999A (en) * | 2019-01-24 | 2019-04-16 | 广州市祈丰机电科技有限公司 | A kind of principal-axis pull rod structure |
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2019
- 2019-01-24 CN CN201920123861.7U patent/CN209550626U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622999A (en) * | 2019-01-24 | 2019-04-16 | 广州市祈丰机电科技有限公司 | A kind of principal-axis pull rod structure |
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