CN208503294U - A kind of high-accuracy shaft coupling - Google Patents
A kind of high-accuracy shaft coupling Download PDFInfo
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- CN208503294U CN208503294U CN201821116852.7U CN201821116852U CN208503294U CN 208503294 U CN208503294 U CN 208503294U CN 201821116852 U CN201821116852 U CN 201821116852U CN 208503294 U CN208503294 U CN 208503294U
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- bellows
- spindle nose
- female connector
- shaft coupling
- positioning table
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Abstract
A kind of high-accuracy shaft coupling, belongs to shaft coupling technical field.It is characterized by comprising to female connector (6) and bellows (5), female connector (6) and bellows (5) are coaxially disposed, the diameter for being greater than middle part to the diameter of the outer end of female connector (6) forms positioning table (601), bellows (5) is coaxially set in docking set (6) outside, the side of bellows (5) is located on positioning table (601) and is fixedly connected with positioning table (601), to female connector (6) and bellows (5) clearance fit.This high-accuracy shaft coupling realizes the compensation to two revolving mebers by the elasticity of bellows, bellows has certain elasticity, allowing two revolving mebers, there are certain angles, certain compensation has been carried out to the transmission between revolving meber well, it avoids causing two revolving mebers not coaxial due to installation error and influencing transmission, and two revolving mebers or equipment is damaged.
Description
Technical field
A kind of high-accuracy shaft coupling, belongs to shaft coupling technical field.
Background technique
Shaft coupling refers to two axis of connection or axis and revolving meber, turns round together in passing movement and dynamic process, normal
In the case of a kind of device for not disengaging.But it is difficult to ensure that two connected axis are completely in coaxial state when due to installation,
Therefore shaft coupling also plays a part of that two axis will be compensated, and makes when occurring not coaxial to avoid two axis to axis or equipment
The problem of at damage, in order to reach compensating action, the connection precision of present shaft coupling is poor, meeting when in automation equipment
Cause automation equipment operating accuracy poor, influence the working performance of automation equipment, which also limits the uses of shaft coupling.
Summary of the invention
Technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide a kind of by bellows
Elasticity realizes the compensation of two revolving mebers, the high-accuracy shaft coupling of high transmission accuracy.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the high-accuracy shaft coupling, it is characterised in that:
Including being coaxially disposed to female connector and bellows to female connector and bellows, the diameter at middle part is greater than to the diameter of the outer end of female connector
Positioning table is formed, bellows is coaxially set in outside docking set, and the side of bellows is located on positioning table and fixes with positioning table
Connection, to female connector and bellows clearance fit.
It preferably, further include the connection ring being coaxially set in outside docking set, connection ring is coaxially set in outside docking set, ripple
Pipe be arranged between connection ring and positioning table, connection ring is fixedly connected with bellows, connection ring with dock cover clearance fit.
Preferably, the inner wall of the connection ring is the arc of middle part convex.
Preferably, it is provided with the mounting groove of middle part indent around the inner wall of the connection ring, is equipped in mounting groove poly-
The inner wall of tetrafluoroethene ring, polytetrafluoroethylene ring, polytetrafluoroethylene ring fits with to female connector.
Preferably, described is metal material to female connector and bellows.
Preferably, the positioning table side adjacent with bellows is provided with positioning table boss, and bellows is close to positioning
The internal diameter that the internal diameter of platform one end is greater than the other end forms stepped hole, and positioning table boss is protruded into bellows and is located in bellows
The shoulder in hole.
Compared with prior art, beneficial effect possessed by the utility model is:
1, this high-accuracy shaft coupling realizes the compensation to two revolving mebers by the elasticity of bellows, and bellows has certain
Elasticity, allowing two revolving mebers, there are certain angles, have carried out certain compensation to the transmission between revolving meber well, have avoided
Transmission is influenced since installation error causes two revolving mebers not coaxial, and two revolving mebers or equipment are damaged.
2, docking puts on and is arranged with connection ring, and connection ring covers clearance fit with docking, and makes between female connector and carbon fiber pipe
Offset angle increase, connection ring inner wall be middle part indent arc, enable the axis of connection ring with to female connector axis exist
Certain angle avoids that female connector is collided when not coaxial with connection ring and damaged.
3, the inner wall of connection ring is provided with polytetrafluoroethylene ring, improves connection ring and to the wear-resisting property between female connector,
And will not be damaged due to connection ring with to not coaxial between female connector, connection ring can by polytetrafluoroethylene ring always with it is right
Female connector is kept in contact.
Detailed description of the invention
Fig. 1 is the main view schematic cross-sectional view of shaft coupling.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Fig. 3 is the main view schematic cross-sectional view of carbon fiber composite drive shafts.
Fig. 4 is the partial enlarged view in Fig. 3 at B.
Fig. 5 is the partial enlarged view in Fig. 3 at C.
Fig. 6 is the cooperation schematic diagram for winding axis and the first spindle nose and the second spindle nose.
Fig. 7 is the partial enlarged view in Fig. 6 at D.
In figure: 1, the first spindle nose 101, docking section 102, the first spindle nose protrusion 2, carbon fiber pipe 3, the second spindle nose
301, the second spindle nose protrusion 302, easy fault trough 4, connection ring 401, mounting groove 5, bellows 6, to female connector 601, positioning table
7, lock sleeve 8, polytetrafluoroethylene ring 9, winding axis 901, wound portion.
Specific embodiment
Fig. 1 ~ 7 are the most preferred embodiments of the utility model, and 1 ~ 7 pair of the utility model is done furtherly with reference to the accompanying drawing
It is bright.
A kind of high-accuracy shaft coupling, including to female connector 6 and bellows 5, female connector 6 and bellows 5 are coaxially disposed, docking
The diameter that the diameter of the outer end of set 6 is greater than middle part forms positioning table 601, and bellows 5 is coaxially set in outside docking set 6, bellows 5
Side be located on positioning table 601 and be fixedly connected with positioning table 601, to female connector 6 and 5 clearance fit of bellows.This is high-precision
Close shaft coupling realizes the compensation to two revolving mebers by the elasticity of bellows 5, and bellows 5 has certain elasticity, allows twice
Turning part, there are certain angles, have carried out certain compensation to the transmission between revolving meber well, have avoided due to installation error
Lead to that two revolving mebers are not coaxial and influence transmission, and two revolving mebers or equipment are damaged.
The utility model is described further combined with specific embodiments below, however persons familiar with the art should
Solution, is to preferably explain here in connection with the detailed description that attached drawing provides, the structure of the utility model has necessarily had exceeded
These embodiments of limit, and for some equivalents or common approach, it is no longer described in detail herein, but still fall within this
The protection scope of application.
It is specific: as shown in Figure 1 and 2: it is cylindrical shape to female connector 6, the shape of left end is greater than to the outer diameter of the right end of female connector 6,
To form positioning table 601 in the right end to female connector 6.Bellows 5 is coaxially set in outside docking set 6, and the right side of bellows 5 is fixed
Position on positioning table 601, bellows 5 with to 6 clearance fit of female connector.Connection ring 4 is also coaxially set on docking set 6, and is connected
The left side of bellows 5 is arranged in ring 4.The right end and positioning table 601 of bellows 5 weld, and the left end of bellows 5 and connection ring 4 are welded
It connects, to realize the assembling of shaft coupling.The inner wall of connection ring 4 with to 6 clearance fit of female connector, and due to bellows 5 have one
Fixed elasticity, can output shaft to motor and transmission shaft carry out certain compensation, and then can allow for the output of motor
There are certain angles for the axis of the axis of axis and transmission shaft, eliminate the influence of installation error bring.To in 6 left end of female connector
Diameter is greater than the internal diameter of right end, to reduce the weight to female connector 6, and then reduces the inertia to female connector 6.To female connector 6, ripple
Pipe 5 and connection ring 4 are metal material, preferably stainless steel material.
The inner wall of connection ring 4 is the arc of middle part evagination, and the mounting groove of middle part indent is provided with around the inner wall of connection ring 4
401, polytetrafluoroethylene ring 8 is installed in mounting groove 401, the inner wall of polytetrafluoroethylene ring 8 fits with the outer wall to female connector 6,
So as to guarantee connection ring 4 with to female connector 6 be coaxially disposed, polytetrafluoroethylene ring 8 also improve connection ring 4 with to female connector 6 it
Between wear-resisting property, and allow connection ring 4 and relative motion to occur between female connector 6.
The both ends internal diameter of bellows 5 is all larger than middle part internal diameter, to form stepped hole, connection ring 4 at the both ends of bellows 5
Right side be wholely set connection ring boss, connection ring boss protrudes into 5 left end of bellows and is located in 5 inner hole left end of bellows
Shoulder, to be positioned to connection ring 4 and bellows 5.The left side of positioning table 601 has been wholely set positioning table boss, fixed
Position platform convex platform protrudes into bellows right end and is located in the shoulder of 5 inner hole right end of bellows, while positioning table 601 and bellows 5
Right side fitting, to be positioned to positioning table 601 and bellows 5.The assembling of shaft coupling is facilitated, and can be guaranteed
Connection ring 4 and relative displacement is occurred by the elasticity of bellows 5 to female connector 6, guarantees the connection ring 4 of shaft coupling and right after unloading
Female connector 6 can reset, and improve the service life of shaft coupling.
As shown in Fig. 3 ~ 5: the utility model additionally provides a kind of carbon fiber composite drive shafts, including carbon fiber pipe 2, symmetrical
First spindle nose 1 and the second spindle nose 3 and above-mentioned shaft coupling, the first spindle nose 1 and the second spindle nose at 2 both ends of carbon fiber pipe are set
3 be the cylinder being coaxially disposed with carbon fiber pipe 2, and it is corresponding that the first spindle nose 1 and the second spindle nose 3 are separately positioned on carbon fiber pipe 2
In one end, the first spindle nose 1 and the second spindle nose 3 are fixedly connected with carbon fiber pipe 2, and the first spindle nose 1 and the second spindle nose 3 are metal
The outer end of material, the first spindle nose 1 or the second spindle nose 3 is coaxially installed with shaft coupling.The carbon fiber pipe 2 of this carbon fiber composite drive shafts
Both ends are provided with the first spindle nose 1 and the second spindle nose 3 of metal material, guarantee the connection for being motor output shaft and execution unit
Intensity, carbon fibre materials density is small, and light weight in the case where same volume, inertia is small, carries the quick of transmission shaft for motor
Start and stop create condition, and ensure that high using the operating accuracy of the automation equipment of the transmission shaft.
The left side of connection ring 4 is provided with dock of the outer diameter less than the outer diameter at middle part, and the outer diameter of dock is slightly smaller than second
The internal diameter of spindle nose 3, when installation, dock protrudes into the right end of the second spindle nose 3, and the second spindle nose 3 is welded with connection ring 4.
To lock sleeve 7 is coaxially installed in female connector 6, the preferred hydraulic lock of lock sleeve 7 is fixed, so as to guarantee that motor is defeated
Shaft with it is coaxially connected to female connector 6.
First spindle nose 1 is cylindrical shape, and the first spindle nose 1 is the taper that outer diameter is gradually reduced from left to right, so as to eliminate
Stress is concentrated, and the intensity of the first spindle nose 1 is improved, and the right end of the first spindle nose 1 is arc-shaped, avoids causing to damage to carbon fiber pipe 2
It is bad.Second spindle nose 3 is also cylindrical shape, and the second spindle nose 3 is the taper that outer diameter is gradually reduced from right to left, can eliminate stress collection
In, the intensity of the second spindle nose 3 is improved, the left end of the second spindle nose 3 is arc-shaped, avoids damaging carbon fiber pipe 2.First
Spindle nose 1 and the second spindle nose 3 are stainless steel material, and the first spindle nose 1 and the second spindle nose 3 are coaxially disposed with carbon fiber pipe 2, the
One spindle nose 1 is arranged in 2 left end of carbon fiber pipe and is fixedly connected with carbon fiber pipe 2, and the second spindle nose 3 is also disposed at carbon fiber pipe 2
It is interior, and the right end of the second spindle nose 3 stretches out carbon fiber pipe 2, the second spindle nose 3 is fixedly connected with carbon fiber pipe 2.First spindle nose 1 and
Two spindle noses 3 are metal material, preferably stainless steel material.
The outer wall of first spindle nose 1 is arranged at intervals with multiple the first spindle nose protrusions 102 outwardly, 102 edges of the first spindle nose protrusion
First spindle nose 1 is arranged radially, and the length of the first spindle nose protrusion 102 is less than the wall thickness of carbon fiber pipe 2, the first spindle nose protrusion 102
It is protruded by the inner wall of carbon fiber pipe 2 in the tube wall of carbon fiber pipe 2, to guarantee that the first spindle nose 1 is fixedly connected simultaneously with carbon fiber pipe 2
It keeps rotating synchronously.
Second spindle nose, 3 outer wall is arranged at intervals with multiple the second spindle nose protrusions 301 outwardly, and the second spindle nose protrusion 301 is along
Two spindle noses 3 are arranged radially, and the length of the second spindle nose protrusion 301 is less than the wall thickness of carbon fiber pipe 2, the second spindle nose protrusion 301 by
The inner wall of carbon fiber pipe 2 protrudes into the tube wall of carbon fiber pipe 2, to guarantee that the second spindle nose 3 is fixedly connected and protects with carbon fiber pipe 2
Hold synchronous rotation.
The left end of first spindle nose 1 is provided with the docking section 101 that diameter is less than right end diameter, and docking section 101 is and first axle
The cylindrical shape of first 1 coaxial arrangement, docking section 101 is wholely set with the first spindle nose 1.Docking section with execution unit for docking.It is right
Lock sleeve 7 is provided in socket part 101, in the present embodiment, lock sleeve 7 is that hydraulic lock is fixed, so as to guarantee and driving section
Part is coaxially connected, and transmission is accurate.The left end of first spindle nose 1 also can connect shaft coupling.
The right end of second spindle nose 3 stretches out carbon fiber pipe 2, and the left end of the second spindle nose 3 is connected with shaft coupling, and the second spindle nose 3 is logical
It crosses shaft coupling to be connected with the output shaft of motor, the second spindle nose 3 can either be made to be connected with the output shaft of motor, additionally it is possible to biography
It is compensated between moving axis and motor output shaft, avoids damaging electronic since the output shaft of transmission shaft and motor is not coaxial
Machine or transmission shaft.
As shown in Fig. 6 ~ 7: a kind of processing method of above-mentioned carbon fiber composite drive shafts, it is characterised in that: including as follows
Step:
Step 1), vehicle system the first spindle nose 1 and the second spindle nose 3, in 1 the first spindle nose of external welding protrusion 102 of the first spindle nose,
Two spindle noses, 3 the second spindle nose of external welding protrusion 301；
The first spindle nose of vehicle system 1, and in 1 the first spindle nose of external welding protrusion 102 of the first spindle nose, the second spindle nose of vehicle system 3, and
Two spindle noses, 3 the second spindle nose of external welding protrusion 301.It is less than the limiting stand of left end internal diameter in the right end vehicle internal diameter to the second spindle nose 3,
The 3 inner wall vehicle internal diameter of the second spindle nose on the left of limiting stand is greater than the easy fault trough 302 of left end internal diameter simultaneously.
First spindle nose 1 and the second spindle nose 3 are respectively sleeved at winding 9 both ends of axis, in the first spindle nose 1 and second by step 2
The outer coating viscosity glue agent of spindle nose 3, and coating release agent on the winding axis 9 between the first spindle nose 1 and the second spindle nose 3；
Winding axis 9 is horizontally disposed shaft, and winding axis 9 is connected with the motor for driving its rotation, and the middle part for winding axis 9 is straight
Diameter be greater than both ends diameter, formed wound portion 901, the diameter of wound portion 901 be equal to or slightly less than 1 right end of the first spindle nose internal diameter and
The diameter of the internal diameter of second spindle nose, 3 left end, winding 9 end of axis is equal to or slightly less than the internal diameter of docking section 101.
First spindle nose 1 is set on winding axis 9 by left end, and the docking section 101 of the first spindle nose 1 is arranged in left side, the
The right side inner wall of one spindle nose 1 is bonded with 901 left end face of wound portion.Second spindle nose 3 is set in winding by the right end of winding axis 9
On axis 9, and the limiting stand of the second spindle nose 3 is arranged on right side, and the limiting section of the second spindle nose 3 is bonded with the right side of wound portion 901, protects
The propeller shaft length produced is demonstrate,proved to meet the requirements.Coating release agent on winding axis 9 between the first spindle nose 1 and the second spindle nose 3, from
And the carbon fiber pipe that will be wound 2 is facilitated to remove.
Step 3), the winding axis 9 outside the first spindle nose 1, outside the second spindle nose 3 and between the first spindle nose 1 and the second spindle nose 3
Upper winding carbon fiber plate, often coating viscosity glue agent between two layers adjacent of carbon fiber plate, forms transmission shaft；
In the outer wall coating viscosity glue agent of the first spindle nose 1 and the second spindle nose 3, then the first spindle nose 1 is outer, the second spindle nose 3 it is outer with
And carbon fiber plate is wound on the first winding axis 9 between spindle nose 1 and the second spindle nose 3, per adjacent per two layers adjacent of carbon fiber
Smear adhesive between dimension sheet material, form transmission shaft, the number of plies of the carbon fiber of winding according to the diameter of required transmission shaft come
It determines.
Step 4) separates transmission shaft with winding axis 9 after adhesive solidification.
After band adhesive solidification, second spindle nose 3 is cut off from the easy fault trough 302 of the second spindle nose 3, by the second spindle nose 3
Limiting section is removed, and transmission shaft is moved to the left and is separated with winding axis 9, the processing of transmission shaft is completed.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is all without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Matter any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the guarantor of technical solutions of the utility model
Protect range.
Claims (6)
1. a kind of high-accuracy shaft coupling, it is characterised in that: including to female connector (6) and bellows (5), to female connector (6) and ripple
(5) coaxial arrangement is managed, the diameter for being greater than middle part to the diameter of the outer end of female connector (6) forms positioning table (601), and bellows (5) is same
Axle sleeve is located to female connector (6) outside, and the side of bellows (5), which is located on positioning table (601) and fixes with positioning table (601), to be connected
It connects, to female connector (6) and bellows (5) clearance fit.
2. high-accuracy shaft coupling according to claim 1, it is characterised in that: further include coaxially being set in docking set (6) outside
Connection ring (4), connection ring (4) coaxially is set in docking set (6) outside, bellows (5) be arranged in connection ring (4) and positioning table
(601) between, connection ring (4) is fixedly connected with bellows (5), connection ring (4) with to female connector (6) clearance fit.
3. high-accuracy shaft coupling according to claim 2, it is characterised in that: the inner wall of the connection ring (4) is middle part
The arc of convex.
4. high-accuracy shaft coupling according to claim 3, it is characterised in that: the inner wall around the connection ring (4) is set
It is equipped with the mounting groove (401) of middle part indent, is equipped with polytetrafluoroethylene ring (8) in mounting groove (401), polytetrafluoroethylene ring (8),
The inner wall of polytetrafluoroethylene ring (8) fits with to female connector (6).
5. high-accuracy shaft coupling according to claim 1, it is characterised in that: described equal to female connector (6) and bellows (5)
For metal material.
6. high-accuracy shaft coupling according to claim 1, it is characterised in that: the positioning table (601) and bellows (5)
Adjacent side is provided with positioning table boss, and bellows (5) is greater than the internal diameter of the other end close to the internal diameter of positioning table (601) one end
Stepped hole is formed, positioning table boss protrudes into bellows (5) and is located in the shoulder of bellows (5) inner hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821116852.7U CN208503294U (en) | 2018-07-16 | 2018-07-16 | A kind of high-accuracy shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821116852.7U CN208503294U (en) | 2018-07-16 | 2018-07-16 | A kind of high-accuracy shaft coupling |
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| Publication Number | Publication Date |
|---|---|
| CN208503294U true CN208503294U (en) | 2019-02-15 |
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ID=65284636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821116852.7U Active CN208503294U (en) | 2018-07-16 | 2018-07-16 | A kind of high-accuracy shaft coupling |
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| Country | Link |
|---|---|
| CN (1) | CN208503294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059167A (en) * | 2019-12-26 | 2020-04-24 | 鲁东大学 | Axial member elastic coupling |
-
2018
- 2018-07-16 CN CN201821116852.7U patent/CN208503294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059167A (en) * | 2019-12-26 | 2020-04-24 | 鲁东大学 | Axial member elastic coupling |
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