CN208445414U - A kind of servo motor shaft - Google Patents
A kind of servo motor shaft Download PDFInfo
- Publication number
- CN208445414U CN208445414U CN201821086011.6U CN201821086011U CN208445414U CN 208445414 U CN208445414 U CN 208445414U CN 201821086011 U CN201821086011 U CN 201821086011U CN 208445414 U CN208445414 U CN 208445414U
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- CN
- China
- Prior art keywords
- shaft part
- shaft
- section
- servo motor
- offers
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- 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.)
- Expired - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of servo motor shafts, including shaft ontology, the shaft ontology includes sequentially connected first shaft part from left to right, second shaft part, third shaft part, shaft shoulder section, 4th shaft part, 5th shaft part and the 6th shaft part, first shaft part, second shaft part, third shaft part and the diameter dimension of shaft shoulder section are sequentially increased setting, the shaft shoulder section, 4th shaft part, the diameter dimension of 5th shaft part and the 6th shaft part is sequentially reduced setting, the first keyway is offered in the first shaft part outer circumferential walls, the end face outside center of first shaft part offers the first centre bore, the end face outside center of 6th shaft part offers the second centre bore, 4th shaft part is provided with boss section far from the end face of shaft shoulder section.The utility model reasonable structural arrangement is beneficial to the raising of integral strength, reduces the damage to assembly bearing, and the dynamic balance performance of intermediate shaft part is preferable, and servo motor is suitble to use.
Description
Technical field
The utility model relates to machine shaft technical field, specially a kind of servo motor shaft.
Background technique
Motor (being commonly called as " motor ") refers to a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction,
Motor shaft is one of important component, and performance directly affects the performance of entire motor, it is the master in modern industry system
Driving part is wanted, the rotor of existing servo motor is made of motor shaft, magnetic shoe and rotor cap.Rotor cap generally pass through key with
Keyway on machine shaft is coupled, so that the dynamic balance performance of machine shaft reduces；In addition, existing servo motor shaft
Structure design it is not reasonable, assemble use process in motor bearings is caused compared with macrolesion, thus generate noise and vibration or
Cause equipment fault lamp problem.
Utility model content
The purpose of this utility model is to provide a kind of servo motor shafts, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of servo motor shaft, including shaft sheet
Body, the shaft ontology include sequentially connected first shaft part, the second shaft part, third shaft part, shaft shoulder section, the 4th axis from left to right
Section, the 5th shaft part, the 6th shaft part and the 7th shaft part, first shaft part, the second shaft part, third shaft part and shaft shoulder section it is straight
Diameter size is sequentially increased setting, the shaft shoulder section, the 4th shaft part, the 5th shaft part, the 6th shaft part and the 7th shaft part diameter ruler
It is very little to be sequentially reduced setting, the first keyway is offered in the first shaft part outer circumferential walls, the end face outside center of the first shaft part is opened
Equipped with the first centre bore, the end face outside center of the 6th shaft part offers the second centre bore, and the 4th shaft part is far from axis
The end face of shoulder section is provided with boss section, and the 4th shaft part end face distribution on the outside of boss section is provided with multiple fixed pin holes, fixed pin
Hole is uniformly distributed around the central axis of the 4th shaft part.
Preferably, first shaft part and the second shaft part junction offer First Transition groove milling, the second shaft part and third
Shaft part junction offers the second transition groove milling, and third shaft part and shaft shoulder section junction offer third transition groove milling, boss section
The 4th transition groove milling is offered with the 5th shaft part junction.
Preferably, second shaft part is high-frequency therapeutic treatment shaft part, and hardness HRC48-58, through hardening depth is 0.5-1.5mm.
Preferably, the outer circumferential walls of the 7th shaft part offer the installation annular groove for fixing heat-dissipating impeller.
Preferably, the outboard end of the first shaft part is run through in the end of first keyway.
Preferably, first centre bore from outside to inside successively by the first circular cone chamfering section, First Transition circular hole portion and
In first hole section form, second centre bore from outside to inside successively by the second circular cone chamfering section, the second transition circular hole portion and
Hole section forms in second.
Compared with prior art, the utility model has the beneficial effects that shaft ontology is thick in centre, is tapered to both ends
Multi-diameter shaft segment structure, reasonable structural arrangement is beneficial to the raising of integral strength, facilitates the installation of various components；Most of axis
Transition groove milling is offered between section, each shaft part is precisely processed convenient for lathe tools, is conducive to improve shaft ontology
Machining accuracy；Keyway is not opened up on 4th shaft part, but rotor is installed by the fixed retaining ring component of fixed pin holes, is had
Conducive to the dynamic balance performance for improving intermediate shaft part；Second shaft part is high-frequency therapeutic treatment shaft part, and hardness HRC48-58 is with higher
Intensity and impact resistance advantageously reduce the damage for assembling bearing herein.The utility model reasonable structural arrangement is beneficial to whole
The raising of body intensity reduces the damage to assembly bearing, and the dynamic balance performance of intermediate shaft part is preferable, and servo motor is suitble to use.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of servo motor shaft；
Fig. 2 is a kind of side structure schematic diagram of servo motor shaft；
Fig. 3 is a kind of structural schematic diagram of the 4th shaft part and the 5th shaft part part section in servo motor shaft；
Fig. 4 is the structural schematic diagram amplified at F in a kind of servo motor shaft；
Fig. 5 is a kind of structural schematic diagram of the first shaft part part section in servo motor shaft.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of servo motor shaft as shown in Fig. 1~5, including shaft ontology, the shaft ontology
Including sequentially connected first shaft part 1 from left to right, the second shaft part 2, third shaft part 3, shaft shoulder section 4, the 4th shaft part 5, the 5th axis
Section the 6, the 6th shaft part 7 and the 7th shaft part 8, first shaft part 1, the second shaft part 2, third shaft part 3 and shaft shoulder section 4 diameter
Size is sequentially increased setting, the shaft shoulder section 4, the 4th shaft part 5, the 5th shaft part 6, the 6th shaft part 7 and the 7th shaft part 8 diameter
Size is sequentially reduced setting, offers the first keyway 9 in 1 outer circumferential walls of the first shaft part, in the end face outside of the first shaft part 1
The heart offers the first centre bore, and the end face outside center of the 6th shaft part 7 offers the second centre bore, the 4th shaft part 5
End face far from shaft shoulder section 4 is provided with boss section 19, and 5 end face of the 4th shaft part distribution in 19 outside of boss section is provided with multiple fixations
Pin hole 20, fixed pin holes 20 are uniformly distributed around the central axis of the 4th shaft part 5.
Wherein, first shaft part 1 and 2 junction of the second shaft part offer First Transition groove milling 10, and the second shaft part 2 is separate
The end of third shaft part 3 is provided with conical section 11, and the second shaft part 2 offers the second transition groove milling 12 with 3 junction of third shaft part,
Third shaft part 3 and 4 junction of shaft shoulder section offer third transition groove milling 13, and boss section 19 is offered with 6 junction of the 5th shaft part
4th transition groove milling 14；Second shaft part 2 is high-frequency therapeutic treatment shaft part, and hardness HRC48-58, through hardening depth is 0.5-1.5mm；
The outer circumferential walls of 7th shaft part 8 offer the installation annular groove 15 for fixing heat-dissipating impeller；The end of first keyway 9
Through the outboard end of the first shaft part 1；First centre bore is from outside to inside successively by the first circular cone chamfering section 18, First Transition circle
Hole section 16 forms in hole section 17 and first, and second centre bore is from outside to inside successively by the second circular cone chamfering section, the second mistake
Hole section in circular hole portion and second is crossed to form.First circular cone chamfering section 18 and the equal 60 degree of chamferings of the second circular cone chamfering section.
The multi-diameter shaft segment structure that shaft ontology is thick in centre, is tapered to both ends, reasonable structural arrangement are beneficial to whole
The raising of intensity facilitates the installation of various components；Transition groove milling is offered between most of shaft part, convenient for lathe tools to each
A shaft part is precisely processed, and the machining accuracy for improving shaft ontology is conducive to；Keyway is not opened up on 4th shaft part 5, and
It is that rotor is installed by the fixed retaining ring component of fixed pin holes 20, is conducive to the dynamic balance performance for improving intermediate shaft part；Second axis
Section 2 is high-frequency therapeutic treatment shaft part, hardness HRC48-58, intensity with higher and impact resistance, advantageously reduces and fills herein
Damage with bearing.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of servo motor shaft, including shaft ontology, it is characterised in that: the shaft ontology includes successively connecting from left to right
The first shaft part, the second shaft part, third shaft part, shaft shoulder section, the 4th shaft part, the 5th shaft part, the 6th shaft part and the 7th shaft part connect,
First shaft part, the second shaft part, third shaft part and shaft shoulder section diameter dimension be sequentially increased setting, the shaft shoulder section,
Four shaft parts, the 5th shaft part, the 6th shaft part and the 7th shaft part diameter dimension be sequentially reduced setting, outside the first shaft part circumference
The first keyway is offered on wall, the end face outside center of the first shaft part offers the first centre bore, the outside of the 6th shaft part
End face center offers the second centre bore, and the 4th shaft part is provided with boss section, boss section outside far from the end face of shaft shoulder section
The distribution of the 4th shaft part end face be provided with multiple fixed pin holes, fixed pin holes are uniformly distributed around the central axis of the 4th shaft part.
2. a kind of servo motor shaft according to claim 1, it is characterised in that: first shaft part and the second shaft part connect
The place of connecing offers First Transition groove milling, and the second shaft part and third shaft part junction offer the second transition groove milling, third shaft part with
Shaft shoulder section junction offers third transition groove milling, and the five shaft part junction boss Duan Yu offers the 4th transition groove milling.
3. a kind of servo motor shaft according to claim 1, it is characterised in that: second shaft part is high-frequency therapeutic treatment axis
Section, hardness HRC48-58, through hardening depth are 0.5-1.5mm.
4. a kind of servo motor shaft according to claim 1, it is characterised in that: the outer circumferential walls of the 7th shaft part are opened
Equipped with the installation annular groove for fixing heat-dissipating impeller.
5. a kind of servo motor shaft according to claim 1, it is characterised in that: the end of first keyway is through the
The outboard end of one shaft part.
6. a kind of servo motor shaft according to claim 1, it is characterised in that: first centre bore from outside to inside according to
It is secondary to be made of hole section in the first circular cone chamfering section, First Transition circular hole portion and first, second centre bore from outside to inside according to
It is secondary to be made of hole section in the second circular cone chamfering section, the second transition circular hole portion and second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821086011.6U CN208445414U (en) | 2018-07-10 | 2018-07-10 | A kind of servo motor shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821086011.6U CN208445414U (en) | 2018-07-10 | 2018-07-10 | A kind of servo motor shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208445414U true CN208445414U (en) | 2019-01-29 |
Family
ID=65087741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821086011.6U Expired - Fee Related CN208445414U (en) | 2018-07-10 | 2018-07-10 | A kind of servo motor shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208445414U (en) |
-
2018
- 2018-07-10 CN CN201821086011.6U patent/CN208445414U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |