CN110355387B - Mechanical main shaft capable of moving integrally relative to sliding sleeve - Google Patents
Mechanical main shaft capable of moving integrally relative to sliding sleeve Download PDFInfo
- Publication number
- CN110355387B CN110355387B CN201910639771.8A CN201910639771A CN110355387B CN 110355387 B CN110355387 B CN 110355387B CN 201910639771 A CN201910639771 A CN 201910639771A CN 110355387 B CN110355387 B CN 110355387B
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- sliding sleeve
- motor
- mounting seat
- movable
- sleeve
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- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 20
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000007547 defect Effects 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to an integral movable mechanical main shaft relative to a sliding sleeve, which comprises the sliding sleeve, a rotating shaft, a mounting seat, an axial motor, a main shaft motor and a movable sleeve, wherein the axial motor, the main shaft motor and the movable sleeve are arranged on the mounting seat; the rotating shaft is coaxially arranged in the movable sleeve, the movable sleeve is coaxially arranged in the sliding sleeve, and the movable sleeve can move along the axial direction of the sliding sleeve; an output shaft of the axial motor is connected with a screw rod in a linkage way, and the screw rod is arranged in parallel with the rotating shaft; the sliding sleeve is provided with a nut pair, and the free end of the screw rod penetrates through the mounting seat to be in threaded fit with the nut pair; the axial motor is driven to be linked with the mounting seat, and the mounting seat is linked with the axial motor, the movable sleeve and the spindle motor which are arranged on the mounting seat along the axial movement of the movable sleeve; the spindle motor is used for driving the rotating shaft to rotate. The invention realizes the integral linkage of the mounting seat and the axial motor, the movable sleeve and the spindle motor on the mounting seat, and is beneficial to the higher design of the rotating speed of the rotating shaft.
Description
Technical Field
The invention belongs to the technical field of part machining, and particularly relates to an integrally movable mechanical main shaft relative to a sliding sleeve.
Background
The mechanical main shaft is mainly applied to the field of numerical control machine tools, and a novel technology integrating the main shaft of the machine tool with a main shaft motor is used for pushing high-speed processing to a new era together with a linear motor technology and a high-speed cutter technology. The axial driving motor of the existing mechanical main shaft is mostly fixed, and on the premise of guaranteeing the overall structural stability of the mechanical main shaft, the rotating speed of the mechanical main shaft is easily limited, so that the machining efficiency of the mechanical main shaft is affected.
Disclosure of Invention
Based on the defects in the prior art, the invention provides a mechanical main shaft which is integrally movable relative to a sliding sleeve.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the utility model provides a relative sliding sleeve whole movable type mechanical main shaft, includes sliding sleeve, rotation axis, mount pad, locates axial motor, main shaft motor and the movable sleeve on the mount pad, and axial motor and main shaft motor are located the same side of mount pad, and the movable sleeve is located the opposite side of mount pad; the rotating shaft is coaxially arranged in the movable sleeve, the movable sleeve is coaxially arranged in the sliding sleeve, and the movable sleeve can move along the axial direction of the sliding sleeve; an output shaft of the axial motor is connected with a screw rod in a linkage way, and the screw rod is arranged in parallel with the rotating shaft; the sliding sleeve is provided with a nut pair, and the free end of the screw rod penetrates through the mounting seat to be in threaded fit with the nut pair; the axial motor is driven to be linked with the mounting seat, and the mounting seat is linked with the axial motor, the movable sleeve and the spindle motor which are arranged on the mounting seat along the axial movement of the movable sleeve; the spindle motor is used for driving the rotating shaft to rotate.
Preferably, the spindle motor and the rotating shaft are linked through a transmission mechanism.
As a preferable scheme, the transmission mechanism comprises a first transmission wheel, a second transmission wheel and a transmission belt, wherein the first transmission wheel is arranged on the rotating shaft, the second transmission wheel is arranged on the output shaft of the spindle motor, and the transmission belt winds between the first transmission wheel and the second transmission wheel.
As an optimal scheme, the first driving wheel and the second driving wheel are both herringbone wheels, and correspondingly, the driving belt is a herringbone belt.
As a preferable scheme, the diameter ratio of the first driving wheel to the second driving wheel is 1: (1-3).
As a preferable scheme, the sliding sleeve is provided with a guide rail which is arranged in parallel with the rotating shaft; the mounting seat is provided with a slideway matched with the guide rail.
As a preferable scheme, a sealing ring is arranged between the inner walls at the two ends of the sliding sleeve and the outer wall of the movable sleeve.
Preferably, the sleeve wall of the sliding sleeve is provided with airtight channels distributed along the axial direction of the sliding sleeve, and the outlet of the airtight channels is positioned between the two sealing rings.
As a preferable scheme, a sealing ring is arranged between the outer wall of the cutter head end of the rotating shaft and the inner wall of the movable sleeve.
Preferably, the wall of the movable sleeve is provided with airtight channels distributed along the axial direction of the movable sleeve, and the outlets of the airtight channels are positioned on the inner side of the sealing ring.
Compared with the prior art, the invention has the beneficial effects that:
The mechanical main shaft integrally moving relative to the sliding sleeve realizes the integral linkage of the mounting seat and the axial motor, the movable sleeve and the main shaft motor on the mounting seat, is beneficial to higher rotation speed design of the rotating shaft, and has more stable operation and compact structure.
Drawings
FIG. 1 is a schematic cross-sectional view of a mechanical spindle integrally movable relative to a sliding sleeve in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of another cross-sectional structure of a mechanical spindle integrally movable relative to a sliding sleeve according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a sliding sleeve of an embodiment of the present invention with respect to a mechanical spindle that is integrally movable with the sliding sleeve;
FIG. 4 is an enlarged cross-sectional view of the tip end of the mechanical spindle being integrally moved relative to the sliding sleeve in accordance with an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a mechanical spindle integrally movable relative to a sliding sleeve according to an embodiment of the present invention;
FIG. 6 is a side view of an integral mobile mechanical spindle relative to a sliding sleeve according to an embodiment of the present invention;
FIG. 7 is a schematic illustration of the transmission mechanism of the integral mobile mechanical spindle relative to the sliding sleeve according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a propeller wheel of an embodiment of the present invention that is integrally movable relative to a sliding sleeve.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
As shown in fig. 1 to 8, the mechanical spindle which is integrally moved relative to the sliding sleeve and comprises a mounting seat 1, the sliding sleeve 2, a movable sleeve 3, a rotating shaft 4, a spindle motor 5, an axial motor 6, a transmission mechanism 7 and a guide rail 8; as shown in fig. 1, the spindle motor 5 is mounted on the lower right side of the mounting seat 1, the axial motor 6 is mounted on the upper right side of the mounting seat 1, the movable sleeve 3 is mounted on the mounting seat 1 at a position close to the axial motor 6, and the movable sleeve 3 is positioned on the left side of the mounting seat 1; specifically, the right end of the movable sleeve 3 is fixedly connected with the mounting seat 1, the movable sleeve 3 penetrates through the sliding sleeve 2, namely, the movable sleeve 3 is coaxially mounted in the sliding sleeve 2, and the movable sleeve 3 can move along the axial direction of the sliding sleeve 2. As shown in fig. 2, sealing rings a are arranged between the inner walls of the left and right ends of the sliding sleeve 2 and the outer wall of the movable sleeve 3, so that scraps are prevented from entering a gap between the sliding sleeve 2 and the movable sleeve 3 during cutting of a cutter. In addition, as shown in fig. 2 and 3, the sleeve wall of the sliding sleeve 2 is provided with airtight channels b distributed along the axial direction of the sliding sleeve, and the outlets of the airtight channels b are positioned between the two sealing rings a, so that the gap between the sliding sleeve 2 and the movable sleeve 3 is in a negative pressure state, the airtight sealing is realized, and the sliding sleeve is matched with the sealing rings in a sealing way, so that the sealing performance is better.
The rotary shaft 4 of the embodiment of the invention is coaxially arranged in the movable sleeve 3 and extends to the right side of the mounting seat 1; specifically, the rotating shaft 4 is installed in the movable sleeve 3 through a bearing, so that the axial linkage of the rotating shaft 4 and the movable sleeve 3 is realized, and the rotation of the rotating shaft 4 is independent of the movable sleeve 3, namely, the rotating shaft 4 can rotate freely relative to the movable sleeve 3. As shown in fig. 4, a sealing ring c is disposed between the outer wall of the cutter end of the rotary shaft 4 and the inner wall of the movable sleeve 3, so as to prevent chips from entering the gap between the rotary shaft 4 and the movable sleeve 3 during cutting of the cutter. In addition, the cylinder wall of the movable sleeve 3 is provided with an airtight channel d which is distributed along the axial direction of the cylinder wall, and an outlet of the airtight channel d is positioned at the inner side of the sealing ring c, so that the double sealing effect of sealing and air sealing superposition of the sealing ring is realized.
The spindle motor 5 is used for driving the rotating shaft 4 to rotate, the spindle motor 5 is positioned below the movable sleeve 3, and linkage is realized between the spindle motor 5 and the rotating shaft 4 through the transmission mechanism 7. Specifically, as shown in fig. 6 and 7, the transmission mechanism 7 includes a first transmission wheel 71, a second transmission wheel 72 and a transmission belt 73, wherein the first transmission wheel 71 is mounted at the right end of the rotating shaft 4, that is, the first transmission wheel 71 is positioned at the right side of the mounting seat 1, the second transmission wheel 72 is mounted at the output shaft of the spindle motor 5, and the first transmission wheel 71 and the second transmission wheel 72 are positioned on the same vertical plane and are perpendicular to the axial direction of the rotating shaft; the transmission belt 73 passes through the space between the first transmission wheel 71 and the second transmission wheel 72, and the first transmission wheel 71 and the second transmission wheel 72 are linked. As shown in fig. 8, the first driving wheel 71 and the second driving wheel 72 are preferably herringbone wheels, and accordingly, the driving belt 73 is a herringbone belt, so that the transmission moment is large and the noise is low; the diameter ratio of the first transmission wheel 71 to the second transmission wheel 72 is 1: (1-3) meeting the rotating speed requirement of the rotating shaft; in addition, the first driving wheel 71 and the second driving wheel 72 can be exchanged to realize the switching of the transmission ratio.
As shown in fig. 1 and 5, the output shaft of the axial motor 6 is connected with a screw rod 9 in a linkage manner, specifically, the output shaft of the axial motor 6 is connected with the screw rod 9 in a transmission manner through a coupler 10, and the screw rod 9 is arranged in parallel with the rotating shaft 4, so that the straightness of the axial running of the rotating shaft is ensured; the free end of the screw rod 9 penetrates through the mounting seat 1 to the left side of the mounting seat and extends to the position of the sliding sleeve 2, a nut pair 12 is fixedly mounted on the sliding sleeve 2, and the nut pair 12 is in threaded fit with the screw rod 9. Because sliding sleeve 2 fixed mounting, when axial motor 6 drives, axial motor's motor shaft linkage lead screw, lead screw and nut pair cooperation linkage mount pad axial activity, the axial motor on the mount pad linkage, movable sleeve and main shaft motor follow movable sleeve's axial activity.
In order to further improve the stability of the whole structure, a guide rail 8 is fixedly arranged on the sliding sleeve 2, and the guide rail 8 is arranged in parallel with the rotating shaft 4; the guide rail 8 extends rightwards to be installed on the installation seat 1, and the installation seat 1 is provided with a slideway matched with the guide rail 8, so that the installation seat 1 is axially movably matched with the guide rail 8, and the stability of the whole structure and the straightness of axial movement are ensured. Wherein the guide rail 8 is located between the first drive wheel 71 and the second drive wheel 72.
The mechanical main shaft integrally moving relative to the sliding sleeve realizes the integral linkage of the mounting seat and the axial motor, the movable sleeve and the main shaft motor on the mounting seat, is beneficial to higher rotation speed design of the rotating shaft, and has more stable operation and compact structure.
The foregoing is only illustrative of the preferred embodiments and principles of the present invention, and changes in specific embodiments will occur to those skilled in the art upon consideration of the teachings provided herein, and such changes are intended to be included within the scope of the invention as defined by the claims.
Claims (8)
1. The mechanical main shaft is characterized by comprising a sliding sleeve, a rotating shaft, a mounting seat, an axial motor, a main shaft motor and a movable sleeve, wherein the axial motor, the main shaft motor and the movable sleeve are arranged on the mounting seat; the rotating shaft is coaxially arranged in the movable sleeve, the movable sleeve is coaxially arranged in the sliding sleeve, and the movable sleeve can move along the axial direction of the sliding sleeve; an output shaft of the axial motor is connected with a screw rod in a linkage way, and the screw rod is arranged in parallel with the rotating shaft; the sliding sleeve is provided with a nut pair, and the free end of the screw rod penetrates through the mounting seat to be in threaded fit with the nut pair; the axial motor is driven to be linked with the mounting seat, and the mounting seat is linked with the axial motor, the movable sleeve and the spindle motor which are arranged on the mounting seat along the axial movement of the movable sleeve; the spindle motor is used for driving the rotating shaft to rotate;
The spindle motor is in linkage with the rotating shaft through a transmission mechanism;
and a sealing ring is arranged between the inner walls at the two ends of the sliding sleeve and the outer wall of the movable sleeve.
2. The mechanical spindle of claim 1, wherein the drive mechanism comprises a first drive wheel mounted to the rotating shaft, a second drive wheel mounted to an output shaft of the spindle motor, and a drive belt wound between the first drive wheel and the second drive wheel.
3. The mechanical spindle of claim 2, wherein the first and second drive wheels are herringbone wheels and the drive belt is a herringbone belt.
4. A mechanical spindle which is integrally movable relative to a sliding sleeve according to claim 2 or claim 3, wherein the ratio of the diameters of the first and second transmission wheels is 1: (1-3).
5. The mechanical spindle of claim 1, wherein the sliding sleeve is provided with a guide rail, and the guide rail is arranged in parallel with the rotating shaft; the mounting seat is provided with a slideway matched with the guide rail.
6. A mechanical spindle movable in its entirety relative to a sliding sleeve according to claim 1, wherein the sleeve wall of the sliding sleeve has airtight channels distributed along its axial direction, the outlet of which is located between two sealing rings.
7. A mechanical spindle movable in its entirety relative to a sliding sleeve according to claim 1, wherein a sealing ring is provided between the outer wall of the cutter end of the rotating shaft and the inner wall of the movable sleeve.
8. A mechanical spindle which is movable in its entirety with respect to a sliding sleeve according to claim 7, characterized in that the wall of the movable sleeve has airtight channels distributed along its axial direction, the outlets of which are located inside the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639771.8A CN110355387B (en) | 2019-07-16 | 2019-07-16 | Mechanical main shaft capable of moving integrally relative to sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639771.8A CN110355387B (en) | 2019-07-16 | 2019-07-16 | Mechanical main shaft capable of moving integrally relative to sliding sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110355387A CN110355387A (en) | 2019-10-22 |
| CN110355387B true CN110355387B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910639771.8A Active CN110355387B (en) | 2019-07-16 | 2019-07-16 | Mechanical main shaft capable of moving integrally relative to sliding sleeve |
Country Status (1)
| Country | Link |
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| CN (1) | CN110355387B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04115804A (en) * | 1990-09-04 | 1992-04-16 | Tsugami Corp | Lathe |
| CN104070400A (en) * | 2014-06-24 | 2014-10-01 | 杭州贝克机械有限公司 | Vertical and horizontal four-shaft linkage machining device of straight servo spindle head |
| TW201628766A (en) * | 2015-02-13 | 2016-08-16 | Skybridge Ind Co Ltd | Straight movement type static pressure servo dynamic power main shaft head and work method thereof |
| CN206169729U (en) * | 2016-08-31 | 2017-05-17 | 浙江双正机床有限公司 | Power head |
| CN106807993A (en) * | 2015-11-30 | 2017-06-09 | 湖南衡泰机械科技有限公司 | A kind of planer-type carving and milling machine |
| CN207616204U (en) * | 2017-12-26 | 2018-07-17 | 朗快智能科技（杭州）有限公司 | A kind of axially driving power head |
| CN108326607A (en) * | 2018-04-04 | 2018-07-27 | 肇庆金工机械有限公司 | Servo linear guide rail power head |
| CN207787723U (en) * | 2018-01-16 | 2018-08-31 | 朗快智能科技（杭州）有限公司 | One kind can axially driving and rotatable main shaft |
| CN207971433U (en) * | 2018-01-16 | 2018-10-16 | 朗快智能科技（杭州）有限公司 | One kind can axially driving and rotatable electro spindle |
| CN208467860U (en) * | 2018-07-17 | 2019-02-05 | 浙江景耀数控科技有限公司 | A kind of telescopic bore of sliding sleeve attacks power head |
| CN210789248U (en) * | 2019-07-16 | 2020-06-19 | 朗快智能科技（杭州）有限公司 | Integrally-moving mechanical main shaft relative to sliding sleeve |
-
2019
- 2019-07-16 CN CN201910639771.8A patent/CN110355387B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04115804A (en) * | 1990-09-04 | 1992-04-16 | Tsugami Corp | Lathe |
| CN104070400A (en) * | 2014-06-24 | 2014-10-01 | 杭州贝克机械有限公司 | Vertical and horizontal four-shaft linkage machining device of straight servo spindle head |
| TW201628766A (en) * | 2015-02-13 | 2016-08-16 | Skybridge Ind Co Ltd | Straight movement type static pressure servo dynamic power main shaft head and work method thereof |
| CN106807993A (en) * | 2015-11-30 | 2017-06-09 | 湖南衡泰机械科技有限公司 | A kind of planer-type carving and milling machine |
| CN206169729U (en) * | 2016-08-31 | 2017-05-17 | 浙江双正机床有限公司 | Power head |
| CN207616204U (en) * | 2017-12-26 | 2018-07-17 | 朗快智能科技（杭州）有限公司 | A kind of axially driving power head |
| CN207787723U (en) * | 2018-01-16 | 2018-08-31 | 朗快智能科技（杭州）有限公司 | One kind can axially driving and rotatable main shaft |
| CN207971433U (en) * | 2018-01-16 | 2018-10-16 | 朗快智能科技（杭州）有限公司 | One kind can axially driving and rotatable electro spindle |
| CN108326607A (en) * | 2018-04-04 | 2018-07-27 | 肇庆金工机械有限公司 | Servo linear guide rail power head |
| CN208467860U (en) * | 2018-07-17 | 2019-02-05 | 浙江景耀数控科技有限公司 | A kind of telescopic bore of sliding sleeve attacks power head |
| CN210789248U (en) * | 2019-07-16 | 2020-06-19 | 朗快智能科技（杭州）有限公司 | Integrally-moving mechanical main shaft relative to sliding sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110355387A (en) | 2019-10-22 |
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Address after: 311100 No.9, Hengyi street, Linping street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: LANGKUAI INTELLIGENT TECHNOLOGY (HANGZHOU) Co.,Ltd. Address before: 311100, No. 3, Tai Mo Road, Yuhang economic and Technological Development Zone, Yuhang District, Zhejiang, Hangzhou, 2, 502C-33 Applicant before: LANGKUAI INTELLIGENT TECHNOLOGY (HANGZHOU) Co.,Ltd. |
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