CN207246349U - A kind of lead screw pair with bearing pairing structure - Google Patents
A kind of lead screw pair with bearing pairing structure Download PDFInfo
- Publication number
- CN207246349U CN207246349U CN201721088917.7U CN201721088917U CN207246349U CN 207246349 U CN207246349 U CN 207246349U CN 201721088917 U CN201721088917 U CN 201721088917U CN 207246349 U CN207246349 U CN 207246349U
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- China
- Prior art keywords
- bearing
- lead screw
- screw pair
- pairing
- motor
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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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- 230000008878 coupling Effects 0.000 claims abstract description 24
- 238000010168 coupling process Methods 0.000 claims abstract description 24
- 238000005859 coupling reaction Methods 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Transmission Devices (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a kind of lead screw pair with bearing pairing structure, including motor, the side of the motor is provided with shaft coupling, the one end of the shaft coupling away from motor is provided with lead screw pair, the middle-end of the lead screw pair is arranged with nut, one end of the lead screw pair is arranged with the first pairing bearing, the first pairing bearing is installed in first bearing seat, the one end of the lead screw pair away from the first pairing bearing is arranged with the second pairing bearing, and the second pairing bearing is installed in second bearing seat.The utility model has the lead screw pair of bearing pairing structure, motor drives lead screw pair to rotate by shaft coupling, one end of lead screw pair is arranged with the first pairing bearing, the other end of lead screw pair is arranged with the second pairing bearing, by being equipped with pairing bearing support structure at the both ends of lead screw pair, when lead screw pair rotates, it can be very good to ensure rotating accuracy, the stability and precision of lead screw pair load-bearing can be effectively improved by pre-stretching.
Description
Technical field
Lead screw pair field is the utility model is related to, is specially a kind of lead screw pair with bearing pairing structure.
Background technology
Lead screw pair is by leading screw and two, nut is supporting forms, and is that precision highest is also the most frequently used in current gearing
Transmission device, lead screw pair is that rotary motion is converted into linear motion, or by most conjunction that transform linear motion is rotary motion
The product of reason, in use, only one end supports one end to match to existing lead screw pair, it is impossible to improves lead screw pair well and holds
The stability and precision of weight.
Utility model content
The purpose of this utility model is to provide a kind of lead screw pair with bearing pairing structure, it is good and smart to possess stability
The advantages of high is spent, solves the problems of the prior art.
To achieve the above object, the utility model provides following technical solution：A kind of leading screw with bearing pairing structure
Pair, including motor, the side of the motor are provided with shaft coupling, and the output shaft of the motor extends to the inside of shaft coupling, institute
To state the one end of shaft coupling away from motor and lead screw pair is installed, the middle-end of the lead screw pair is arranged with nut, and the one of the lead screw pair
End cap is equipped with the first pairing bearing, and the first pairing bearing is installed in first bearing seat, and the first bearing seat is away from spiral shell
Female one end is provided with clutch shaft bearing capping, and oil filler point is offered in the clutch shaft bearing capping, and the clutch shaft bearing capping is logical
Cross screw to be fixedly connected with first bearing seat, the one end of the lead screw pair away from the first pairing bearing is arranged with the second pairing axis
Hold, the second pairing bearing is installed in second bearing seat, and the one end of the second bearing seat away from nut is provided with second
Bearing covers, and the second bearing capping is fixedly connected by screw with second bearing seat.
Preferably, the motor drives lead screw pair to rotate by shaft coupling.
Preferably, the lead screw pair extends to the inside of shaft coupling close to one end of shaft coupling.
Preferably, the first pairing bearing is identical with the model of the second pairing bearing.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model has the lead screw pair of bearing pairing structure, and motor drives lead screw pair to rotate by shaft coupling, leading screw
Secondary one end is arranged with the first pairing bearing, and the other end of lead screw pair is arranged with the second pairing bearing, by the two of lead screw pair
End is equipped with pairing bearing support structure, when lead screw pair rotates, can be very good to ensure rotating accuracy, can be with by being pre-stretched
The effective stability and precision for improving lead screw pair load-bearing.
Brief description of the drawings
Fig. 1 is the sectional view of the utility model.
In figure：1 motor, 2 shaft couplings, 3 lead screw pair, 31 nuts, 32 first pairing bearings, 33 second pairing bearings, 4 first
Bearing block, the capping of 41 clutch shaft bearings, the capping of 411 oil filler points, 5 second bearing seats, 51 second bearings.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of lead screw pair with bearing pairing structure, including motor 1, the side of motor 1 are provided with connection
Axis device 2, motor 1 drive lead screw pair 3 to rotate by shaft coupling 2, and motor 1 is connected with lead screw pair 3 by shaft coupling 2,1 work of motor
Make, 1 output shaft of motor rotates so that lead screw pair 3 also rotates therewith, and the output shaft of motor 1 extends to the inside of shaft coupling 2, connection
The one end of axis device 2 away from motor 1 is provided with lead screw pair 3, and lead screw pair 3 is extended in shaft coupling 2 close to one end of shaft coupling 2
Portion, the middle-end of lead screw pair 3 are arranged with nut 31, and one end of lead screw pair 3 is arranged with the first pairing bearing 32, the first pairing bearing 32
Play the role of supporting lead screw pair 3, reduce the friction coefficient in 3 motion process of lead screw pair, and ensure 3 rotating accuracy of lead screw pair,
First pairing bearing 32 is installed in first bearing seat 4, and first bearing seat 4 plays the role of the pairing bearing 32 of support first, the
One one end of bearing block 4 away from nut 31 is provided with clutch shaft bearing capping 41, and oil filler point is offered in clutch shaft bearing capping 41
411, oil filler point 411 plays the role of oiling, ensures lubricity, and clutch shaft bearing capping 41 is solid by screw and first bearing seat 4
Fixed connection, the one end of lead screw pair 3 away from the first pairing bearing 32 are arranged with the second pairing bearing 33, and the second pairing bearing 33 plays
The effect of lead screw pair 3 is supported, reduces the friction coefficient in 3 motion process of lead screw pair, and ensures 3 rotating accuracy of lead screw pair, first
It is identical with the model of the second pairing bearing 33 to match bearing 32, one end of lead screw pair 3 is arranged with the first pairing bearing 32, lead screw pair
3 other end is arranged with the second pairing bearing 33, by being equipped with pairing bearing support structure at the both ends of lead screw pair 3, passes through
Pre-stretching can effectively improve the stability and precision of 3 load-bearing of lead screw pair, and the second pairing bearing 33 is installed on second bearing seat 5
On, the one end of second bearing seat 5 away from nut 31 is provided with second bearing capping 51, and second bearing capping 51 passes through screw and the
Two bearing bracket 5 is fixedly connected, and the utility model has the lead screw pair of bearing pairing structure, and motor 1 drives leading screw by shaft coupling 2
Pair 3 rotates, and one end of lead screw pair 3 is arranged with the first pairing bearing 32, and the other end of lead screw pair 3 is arranged with the second pairing bearing
33, by being equipped with pairing bearing support structure at the both ends of lead screw pair 3, when lead screw pair 3 rotates, can be very good to ensure back
Turn precision, the stability and precision of 3 load-bearing of lead screw pair can be effectively improved by pre-stretching.
In summary：The utility model has the lead screw pair of bearing pairing structure, and motor 1 drives leading screw by shaft coupling 2
Pair 3 rotates, and one end of lead screw pair 3 is arranged with the first pairing bearing 32, and the other end of lead screw pair 3 is arranged with the second pairing bearing
33, by being equipped with pairing bearing support structure at the both ends of lead screw pair 3, when lead screw pair 3 rotates, can be very good to ensure back
Turn precision, the stability and precision of 3 load-bearing of lead screw pair can be effectively improved by pre-stretching.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of lead screw pair with bearing pairing structure, including motor (1), it is characterised in that：The side of the motor (1) is set
Shaft coupling (2) is equipped with, the output shaft of the motor (1) extends to the inside of shaft coupling (2), and the shaft coupling (2) is away from motor
(1) one end is provided with lead screw pair (3), and the middle-end of the lead screw pair (3) is arranged with nut (31), and the one of the lead screw pair (3)
End cap is equipped with the first pairing bearing (32), and the first pairing bearing (32) is installed in first bearing seat (4), the first axle
The one end of bearing (4) away from nut (31) is provided with clutch shaft bearing capping (41), is offered on the clutch shaft bearing capping (41)
Oil filler point (411), the clutch shaft bearing capping (41) are fixedly connected by screw with first bearing seat (4), the lead screw pair (3)
One end away from the first pairing bearing (32) is arranged with the second pairing bearing (33), and the second pairing bearing (33) is installed on the
On two bearing bracket (5), the one end of the second bearing seat (5) away from nut (31) is provided with second bearing capping (51), described
Second bearing capping (51) is fixedly connected by screw with second bearing seat (5).
A kind of 2. lead screw pair with bearing pairing structure according to claim 1, it is characterised in that：The motor (1)
Lead screw pair (3) is driven to rotate by shaft coupling (2).
A kind of 3. lead screw pair with bearing pairing structure according to claim 1, it is characterised in that：The lead screw pair
(3) inside of shaft coupling (2) is extended to close to one end of shaft coupling (2).
A kind of 4. lead screw pair with bearing pairing structure according to claim 1, it is characterised in that：First pairing
Bearing (32) is identical with the model of the second pairing bearing (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721088917.7U CN207246349U (en) | 2017-08-28 | 2017-08-28 | A kind of lead screw pair with bearing pairing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721088917.7U CN207246349U (en) | 2017-08-28 | 2017-08-28 | A kind of lead screw pair with bearing pairing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246349U true CN207246349U (en) | 2018-04-17 |
Family
ID=61883536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721088917.7U Expired - Fee Related CN207246349U (en) | 2017-08-28 | 2017-08-28 | A kind of lead screw pair with bearing pairing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207246349U (en) |
-
2017
- 2017-08-28 CN CN201721088917.7U patent/CN207246349U/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 |
Granted publication date: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |