CN109622999A - A kind of principal-axis pull rod structure - Google Patents
A kind of principal-axis pull rod structure Download PDFInfo
- Publication number
- CN109622999A CN109622999A CN201910070308.6A CN201910070308A CN109622999A CN 109622999 A CN109622999 A CN 109622999A CN 201910070308 A CN201910070308 A CN 201910070308A CN 109622999 A CN109622999 A CN 109622999A
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- China
- Prior art keywords
- pull rod
- shackle
- ball
- principal
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims 1
- 210000000078 claw Anatomy 0.000 abstract description 11
- 238000003754 machining Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention 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 present invention, 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 present invention 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.
A kind of principal-axis pull rod structure of disclosure of the invention that China Patent No. is CN202174250U 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 suit
On pull rod, the pull rod threaded upper ends are connected with nut, are equipped with card slot in the outside of nut on the pull rod, are equipped in card slot
Snap ring, pull rod drive claw to move up under the action of butterfly spring elastic force, and claw one end accompanies cutter blind rivet, thus real
Existing main spindle broach, in main shaft tool changing, pull rod under the effect of external force, compresses butterfly spring, drives claw to move down, makes card
Pawl loosening cutter blind rivet completes main shaft tool changing, but the pull rod is clamped cutter using the folding tension of claw, can make
The discontinuity equalization obtained on cutter influences the machining accuracy of cutter so that the stability of cutter is poor.
Summary of the invention
In order to overcome the shortcomings of the prior art, the present invention provides a kind of stress equalization, stability is good and can mention
The principal-axis pull rod structure of high tool sharpening precision.
The technical solution adopted by the present invention to solve the technical problems is: a kind of principal-axis pull rod structure, including pull rod and card
Fitting, one end of the pull rod are connected with the nut for connecting with power mechanism, the other end of the pull rod and shackle member
One end connection, the other end of the shackle member are equipped with the shackle passageway for connecting knife handle, and the shackle member is close to shackle passageway
Ball hole is distributed on the outer wall of one end in a ring, the ball hole is connected to shackle passageway, and ball is equipped in the ball hole.
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 beneficial effects of the present invention are: pull rod threaded one end attaching nut, and in nut
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 extend into card
In the shackle passageway of fitting, when pull rod under external force, drive shackle member move upwards so that the ball in shackle member is to knife
One end of handle is blocked by the ball in ball hole, when pull rod under external force, drive shackle member move downward so that shackle member
On ball unclamp the clamping to one end of knife handle, due to being distributed in shackle passageway using rolling ring shape, so that knife handle one end
Stress equalization carries out the mode of clamping instead of conventionally employed claw, so that the stability of cutter is more preferable, improves adding for cutter
Work precision.
Detailed description of the invention
Present invention will be further explained below with reference to the attached 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
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
Fig. 1-3 is please referred to, which is installed to inside main shaft comprising pull rod 204, shackle member 205 and be used for
With the nut 201 being connected by power, it is equipped with knife pin hole 202 at the middle part of nut 201, knife pin passes through knife pin hole 202, so that nut
201 connect with power mechanism, internal screw thread (not shown) are equipped in one end of nut 201, in pull rod 204 close to the one of nut 201
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 be connected to one end of pull rod 204, it is fixed to be equipped with first in the end of one end that nut 201 is connect with pull rod 204
Hole 203, is equipped with the second fixation hole (not shown) for matching with the first fixation hole 203 on pull rod 204, and screw is each passed through the
One fixation hole 203 and the second fixation hole (not shown), further ensure that nut 201 is fixed on strongerly on pull rod 204, keep away
Exempt to loosen during the work time, influences to process；One end of shackle member 205 and the other end integrally connected of pull rod 204, in card
The other end of fitting 205 is equipped with the shackle passageway 208 for connecting knife handle 3, in shackle member 205 close to 208 one end of shackle passageway
Outer wall on 4 ball holes 207 are distributed in a ring, ball hole 207 is connected to shackle passageway 208, and rolling is equipped in ball hole 207
Pearl, 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 205
Two sides outer wall on be equipped with venthole 206, venthole 206 is located at the rear of ball hole 207, venthole 206 and shackle passageway
208 connections, are passed through the impurity that gas can be cleaned effectively in shackle passageway 208 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
Fig. 1-4 is please referred to, which is installed to inside main shaft comprising pull rod 204, shackle member 205 and be used for
With the nut 201 being connected by power, it is equipped with knife pin hole 202 at the middle part of nut 201, knife pin passes through knife pin hole 202, so that nut
201 connect with power mechanism, internal screw thread (not shown) are equipped in one end of nut 201, in pull rod 204 close to the one of nut 201
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 be connected to one end of pull rod 204, it is fixed to be equipped with first in the end of one end that nut 201 is connect with pull rod 204
Hole 203, is equipped with the second fixation hole (not shown) for matching with the first fixation hole 203 on pull rod 204, and screw is each passed through the
One fixation hole 203 and the second fixation hole (not shown), further ensure that nut 201 is fixed on strongerly on pull rod 204, keep away
Exempt to loosen during the work time, influences to process；One end of shackle member 205 and the other end integrally connected of pull rod 204, in card
The other end of fitting 205 is equipped with the shackle passageway 208 for connecting knife handle 3, in shackle member 205 close to 208 one end of shackle passageway
Outer wall on 6 ball holes 207 are distributed in a ring, ball hole 207 is connected to shackle passageway 208, and rolling is equipped in ball hole 207
Pearl, 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 205
Two sides outer wall on be equipped with venthole 206, venthole 206 is located at the rear of ball hole 207, venthole 206 and shackle passageway
208 connections, are passed through the impurity that gas can be cleaned effectively in shackle passageway 208 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.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
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 |
|---|---|---|---|
| CN201910070308.6A CN109622999A (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 |
|---|---|---|---|
| CN201910070308.6A CN109622999A (en) | 2019-01-24 | 2019-01-24 | A kind of principal-axis pull rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109622999A true CN109622999A (en) | 2019-04-16 |
Family
ID=66063637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910070308.6A Pending CN109622999A (en) | 2019-01-24 | 2019-01-24 | A kind of principal-axis pull rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109622999A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2400217Y (en) * | 1999-11-12 | 2000-10-11 | 黄耀德 | Tool easy-to-mount or -change inner callipers cutter sleeve |
| EP1044748A2 (en) * | 1999-04-13 | 2000-10-18 | Fanuc Ltd | Tool clamping mechanism and pull stud |
| CN200991829Y (en) * | 2006-12-30 | 2007-12-19 | 黄山市永丰机电制造有限公司 | Pneumatic cutter-changing mechanism of machine tool |
| JP2009190100A (en) * | 2008-02-13 | 2009-08-27 | Minoru Kanematsu | Tool spindle and chuck spindle with component commonality |
| CN201505731U (en) * | 2009-09-28 | 2010-06-16 | 常州机电职业技术学院 | Tool changeable high-speed spindle |
| CN202174250U (en) * | 2011-06-10 | 2012-03-28 | 上海亚资实业发展有限公司 | Principal-axis pull rod structure |
| CN102493992A (en) * | 2011-12-14 | 2012-06-13 | 重庆大江美利信压铸有限责任公司 | Ventilating type steel ball positioning pin |
| CN105935893A (en) * | 2016-01-19 | 2016-09-14 | 玉环京洲数控机床有限公司 | Tool pulling mechanism for automatic tool changing of machining centre and automatic tool changing method with same |
| CN209550626U (en) * | 2019-01-24 | 2019-10-29 | 广州市祈丰机电科技有限公司 | A main shaft pull rod structure |
-
2019
- 2019-01-24 CN CN201910070308.6A patent/CN109622999A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1044748A2 (en) * | 1999-04-13 | 2000-10-18 | Fanuc Ltd | Tool clamping mechanism and pull stud |
| CN2400217Y (en) * | 1999-11-12 | 2000-10-11 | 黄耀德 | Tool easy-to-mount or -change inner callipers cutter sleeve |
| CN200991829Y (en) * | 2006-12-30 | 2007-12-19 | 黄山市永丰机电制造有限公司 | Pneumatic cutter-changing mechanism of machine tool |
| JP2009190100A (en) * | 2008-02-13 | 2009-08-27 | Minoru Kanematsu | Tool spindle and chuck spindle with component commonality |
| CN201505731U (en) * | 2009-09-28 | 2010-06-16 | 常州机电职业技术学院 | Tool changeable high-speed spindle |
| CN202174250U (en) * | 2011-06-10 | 2012-03-28 | 上海亚资实业发展有限公司 | Principal-axis pull rod structure |
| CN102493992A (en) * | 2011-12-14 | 2012-06-13 | 重庆大江美利信压铸有限责任公司 | Ventilating type steel ball positioning pin |
| CN105935893A (en) * | 2016-01-19 | 2016-09-14 | 玉环京洲数控机床有限公司 | Tool pulling mechanism for automatic tool changing of machining centre and automatic tool changing method with same |
| CN209550626U (en) * | 2019-01-24 | 2019-10-29 | 广州市祈丰机电科技有限公司 | A main shaft pull rod structure |
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