CN210789248U - Integrally-moving mechanical main shaft relative to sliding sleeve - Google Patents
Integrally-moving mechanical main shaft relative to sliding sleeve Download PDFInfo
- Publication number
- CN210789248U CN210789248U CN201921109269.8U CN201921109269U CN210789248U CN 210789248 U CN210789248 U CN 210789248U CN 201921109269 U CN201921109269 U CN 201921109269U CN 210789248 U CN210789248 U CN 210789248U
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- spindle
- motor
- movable sleeve
- mounting seat
- 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.)
- Active
Links
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to an integral movable mechanical main shaft relative to a sliding sleeve, which comprises a sliding sleeve, a rotating shaft, a mounting seat, an axial motor, a main shaft motor and a movable sleeve, wherein the axial motor and the main shaft motor are arranged on the mounting seat and are positioned on the same side of the mounting seat, and the movable sleeve is positioned on the other side of 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 in linkage connection with a screw rod, and the screw rod is arranged in parallel with the rotating shaft; a nut pair is arranged on the sliding sleeve, 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 link the mounting seat, and the mounting seat links the axial motor, the movable sleeve and the spindle motor on the mounting seat to move along the axial direction of the movable sleeve; the spindle motor is used for driving the rotating shaft to rotate. The utility model discloses realize that the mount pad and the axial motor, movable sleeve and the whole linkage of spindle motor on it do benefit to the higher of the rotational speed design of rotation axis.
Description
Technical Field
The utility model belongs to the technical field of the parts machining, concretely relates to for sliding sleeve moving as a whole formula machinery main shaft.
Background
The mechanical main shaft is mainly applied to the field of numerical control machine tools, integrates a machine tool main shaft and a main shaft motor into a whole, and pushes high-speed machining to a new era together with a linear motor technology and a high-speed cutter technology. Most of the existing axial driving motors of the mechanical main shaft are fixed, and on the premise of ensuring the stability of the whole structure 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 influenced.
SUMMERY OF THE UTILITY MODEL
Based on the above-mentioned not enough that exists among the prior art, the utility model provides a for sliding sleeve moving as a whole formula machinery main shaft.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
a mechanical main shaft capable of moving integrally relative to a sliding sleeve 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 in linkage connection with a screw rod, and the screw rod is arranged in parallel with the rotating shaft; a nut pair is arranged on the sliding sleeve, 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 link the mounting seat, and the mounting seat links the axial motor, the movable sleeve and the spindle motor on the mounting seat to move along the axial direction 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.
Preferably, the transmission mechanism includes a first transmission wheel, a second transmission wheel and a transmission belt, the first transmission wheel is mounted on the rotation shaft, the second transmission wheel is mounted on the output shaft of the spindle motor, and the transmission belt is wound between the first transmission wheel and the second transmission wheel.
Preferably, the first driving wheel and the second driving wheel are herringbone wheels, and correspondingly, the driving belt is a herringbone belt.
Preferably, the diameter ratio of the first transmission wheel to the second transmission wheel is 1: (1-3).
As a preferred 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 the preferred scheme, be equipped with the sealing washer between the inner wall at sliding sleeve both ends and the outer wall of movable sleeve.
Preferably, the sleeve wall of the sliding sleeve is provided with an airtight passage distributed along the axial direction of the sliding sleeve, and an outlet of the airtight passage is positioned between the two sealing rings.
Preferably, 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 an airtight channel distributed along the axial direction of the movable sleeve, and an outlet of the airtight channel is positioned on the inner side of the sealing ring.
Compared with the prior art, the utility model, beneficial effect is:
the utility model discloses a for sliding sleeve moving as a whole formula machinery main shaft, realize that the mount pad and the last axial motor, movable sleeve and the whole linkage of spindle motor are favorable to the higher of the rotational speed design of rotation axis, and move more stably, compact structure.
Drawings
Fig. 1 is a schematic sectional structure view of a mechanical spindle integrally moving with respect to a sliding sleeve according to an embodiment of the present invention;
fig. 2 is another schematic sectional view of the spindle of the present invention integrally moving with respect to the sliding sleeve;
fig. 3 is a schematic sectional structure view of a sliding sleeve of the mechanical spindle integrally moving with respect to the sliding sleeve according to an embodiment of the present invention;
fig. 4 is an enlarged view of a cross-sectional structure of a tool bit end of the mechanical spindle integrally moving with respect to the sliding sleeve according to the embodiment of the present invention;
fig. 5 is a schematic perspective view of the mechanical spindle integrally moving with respect to the sliding sleeve according to the embodiment of the present invention;
fig. 6 is a side view of the machine spindle of the embodiment of the present invention integrally moving with respect to the sliding sleeve;
fig. 7 is a schematic structural diagram of a transmission mechanism of the mechanical spindle integrally moving with respect to the sliding sleeve according to the embodiment of the present invention;
fig. 8 is a schematic structural diagram of a herringbone wheel of the mechanical spindle which is integrally movable relative to the sliding sleeve according to the embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
As shown in fig. 1-8, the mechanical spindle integrally movable with respect to a sliding sleeve according to the embodiment of the present invention includes a mounting base 1, a 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 installed at the lower right side of the installation base 1, the axial motor 6 is installed at the upper right side of the installation base 1, the movable sleeve 3 is installed at a position on the installation base 1 close to the axial motor 6, and the movable sleeve 3 is located at the left side of the installation base 1; specifically, the right-hand member and the mount pad 1 fixed connection of activity sleeve 3, activity sleeve 3 run through the inside of sliding sleeve 2, and activity sleeve 3 coaxial arrangement is in sliding sleeve 2 promptly, and activity sleeve 3 can follow the axial activity of sliding sleeve 2. As shown in fig. 2, a sealing ring a is arranged between the inner wall of the left end and the outer wall of the movable sleeve 3, so that the cutting tool is prevented from cutting chips into a gap between the movable sleeve 3 and the sliding sleeve 2. In addition, as shown in fig. 2 and 3, the sleeve wall of the sliding sleeve 2 has an airtight passage b distributed along the axial direction thereof, and the outlet of the airtight passage b is located 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, thereby realizing airtight sealing and being in sealing fit with the sealing rings, and further improving the sealing performance.
The rotating shaft 4 of the embodiment of the utility model 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 mounted 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, i.e. the rotating shaft 4 can freely rotate relative to the movable sleeve 3. As shown in fig. 4, a seal ring c is provided between the outer wall of the tool bit end of the rotating shaft 4 and the inner wall of the movable sleeve 3, so as to prevent chips from entering a gap between the rotating shaft 4 and the movable sleeve 3 during cutting. In addition, the cylinder wall of the movable sleeve 3 is provided with an airtight channel d distributed along the axial direction of the movable sleeve, and the outlet of the airtight channel d is positioned on the inner side of the sealing ring c, so that the double sealing effect of sealing and air-tight superposition of the sealing ring is realized.
The utility model discloses spindle motor 5 is used for driving rotation axis 4 and rotates, and spindle motor 5 is located movable sleeve 3's below, realizes the linkage through drive mechanism 7 between spindle motor 5 and the rotation axis 4. 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, the first transmission wheel 71 is installed at the right end of the rotating shaft 4, that is, the first transmission wheel 71 is located at the right side of the mounting base 1, the second transmission wheel 72 is installed at the output shaft of the spindle motor 5, the first transmission wheel 71 and the second transmission wheel 72 are located on the same vertical plane and perpendicular to the axial direction of the rotating shaft; the transmission belt 73 is wound 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 transmission wheel 71 and the second transmission wheel 72 are preferably herringbone wheels, and accordingly, the transmission belt 73 is a herringbone belt, so that the transmission torque 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 a rotating shaft; in addition, the first transmission wheel 71 and the second transmission wheel 72 can be exchanged, so that the transmission ratio can be switched.
As shown in fig. 1 and 5, an output shaft of an axial motor 6 according to an embodiment of the present invention is linked with a lead screw 9, specifically, the output shaft of the axial motor 6 is in transmission connection with the lead screw 9 through a coupling 10, the lead screw 9 is parallel to a rotating shaft 4, and the straightness of the axial operation of the rotating shaft is ensured; the free end of lead screw 9 runs through mount pad 1 to the left side of mount pad, and extends to the position department of sliding sleeve 2, and fixed mounting has the vice 12 of nut on the sliding sleeve 2, and vice 12 of nut and lead screw 9 screw-thread fit. Because the sliding sleeve 2 is fixedly installed, when the axial motor 6 is driven, a motor shaft of the axial motor is linked with the lead screw, the lead screw is matched with the nut pair to be linked with the installation seat to move axially, and the installation seat is linked with the axial motor, the movable sleeve and the spindle motor on the installation seat to move axially along the movable sleeve.
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; guide rail 8 extends to right and installs on mount pad 1, and mount pad 1 has the slide that matches with guide rail 8 for 1 axial activity of mount pad cooperates in guide rail 8, guarantees overall structure's stability and the straightness accuracy of axial activity. Wherein the guide rail 8 is located between the first transmission wheel 71 and the second transmission wheel 72.
The utility model discloses a for sliding sleeve moving as a whole formula machinery main shaft, realize that the mount pad and the last axial motor, movable sleeve and the whole linkage of spindle motor are favorable to the higher of the rotational speed design of rotation axis, and move more stably, compact structure.
The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.
Claims (10)
1. The mechanical spindle is integrally movable relative to the sliding sleeve and is characterized by comprising the sliding sleeve, a rotating shaft, a mounting seat, an axial motor, a spindle motor and a movable sleeve, wherein the axial motor, the spindle 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 in linkage connection with a screw rod, and the screw rod is arranged in parallel with the rotating shaft; a nut pair is arranged on the sliding sleeve, 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 link the mounting seat, and the mounting seat links the axial motor, the movable sleeve and the spindle motor on the mounting seat to move along the axial direction of the movable sleeve; the spindle motor is used for driving the rotating shaft to rotate.
2. The mechanical spindle of claim 1, wherein the spindle motor is coupled to the rotating shaft via a transmission mechanism.
3. The spindle of claim 2, wherein the transmission mechanism comprises a first transmission wheel, a second transmission wheel, and a transmission belt, the first transmission wheel is mounted on the rotating shaft, the second transmission wheel is mounted on the output shaft of the spindle motor, and the transmission belt is wound between the first transmission wheel and the second transmission wheel.
4. The spindle of claim 3, wherein the first and second drive wheels are herringbone wheels, and correspondingly, the drive belt is a herringbone belt.
5. A spindle for machines which is mobile integrally with respect to a sliding sleeve, according to claim 3 or 4, characterized in that the diameter ratio of the first transmission wheel to the second transmission wheel is 1: 1 to 1: 3.
6. the spindle of claim 1, wherein the sliding sleeve has a guide rail, and the guide rail is parallel to the rotation axis; the mounting seat is provided with a slideway matched with the guide rail.
7. The spindle of claim 1, wherein a seal ring is disposed between the inner wall of each end of the sliding sleeve and the outer wall of the movable sleeve.
8. A machine spindle that is mobile in one piece with respect to a sliding sleeve according to claim 7, characterized in that the sleeve wall of the sliding sleeve has an airtight passage distributed along its axial direction, the outlet of the airtight passage being located between the two sealing rings.
9. The spindle of claim 1, wherein a seal ring is disposed between an outer wall of the tool bit end of the rotating shaft and an inner wall of the movable sleeve.
10. A machine spindle that is mobile in one piece with respect to a sliding sleeve according to claim 9, characterized in that the wall of said movable sleeve has airtight passages distributed axially along it, the outlets of said airtight passages being located inside the sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109269.8U CN210789248U (en) | 2019-07-16 | 2019-07-16 | Integrally-moving mechanical main shaft relative to sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109269.8U CN210789248U (en) | 2019-07-16 | 2019-07-16 | Integrally-moving mechanical main shaft relative to sliding sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210789248U true CN210789248U (en) | 2020-06-19 |
Family
ID=71237461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921109269.8U Active CN210789248U (en) | 2019-07-16 | 2019-07-16 | Integrally-moving mechanical main shaft relative to sliding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210789248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355387A (en) * | 2019-07-16 | 2019-10-22 | 朗快智能科技（杭州）有限公司 | One kind is relative to sliding sleeve integral movable type mechanical main shaft |
-
2019
- 2019-07-16 CN CN201921109269.8U patent/CN210789248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355387A (en) * | 2019-07-16 | 2019-10-22 | 朗快智能科技（杭州）有限公司 | One kind is relative to sliding sleeve integral movable type mechanical main shaft |
| CN110355387B (en) * | 2019-07-16 | 2024-05-24 | 朗快智能科技（杭州）有限公司 | Mechanical main shaft capable of moving integrally relative to sliding sleeve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216656359U (en) | Flange type spindle bearing external electric spindle | |
| CN210789248U (en) | Integrally-moving mechanical main shaft relative to sliding sleeve | |
| CN204308215U (en) | A kind of supporting construction of main shaft swivel joint | |
| CN202607380U (en) | Rotary ball screw mechanism for Z-directional feeding of nuts for numerical control machine tool | |
| CN110355387B (en) | Mechanical main shaft capable of moving integrally relative to sliding sleeve | |
| CN210789249U (en) | High-speed feeding electric spindle | |
| CN216730370U (en) | Front-mounted pneumatic chuck | |
| CN202388319U (en) | Speed feedback mechanism of worktable of vertical type lathe | |
| CN205464454U (en) | Radial automatic feeding device of facing head | |
| CN209206621U (en) | Milling machine of digital-control spiral conical gear workpiece box | |
| CN201089099Y (en) | Clamping actuating device for grinding disc type components | |
| CN204584743U (en) | Multifunctional swing mechanism | |
| CN204052994U (en) | A kind of deep hole drilling and boring machine with planet-cycloid reducer | |
| CN210254425U (en) | Water wave cutter holder | |
| CN202861869U (en) | Friction wheel traction transmission cycloid machining device | |
| CN110355386B (en) | High-speed feeding electric spindle | |
| CN203210114U (en) | High-precision multistation combined dividing apparatus with W-directional feeding | |
| CN217018854U (en) | Synchronous constant-speed device for motion of clamping guide piece on saw blade of numerical control disc saw milling machine | |
| CN205520485U (en) | Big moment of torsion torque motors directly drives workstation | |
| CN205780238U (en) | A kind of anti abrasive double crosslinking gear shaft | |
| CN111408975B (en) | Double-spindle mechanism | |
| CN109746746A (en) | A kind of machine tool chief axis transmission component and the planer-type milling machine using the transmission component | |
| CN204148512U (en) | A kind of Large diameter rotary numerical control horizontal brake disc special plane | |
| CN211727625U (en) | Single servo vertical drilling machine | |
| CN218461040U (en) | Multi-shaft machine tool part cutting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |