CN208858770U - A kind of straight line screw rod guide rail - Google Patents
A kind of straight line screw rod guide rail Download PDFInfo
- Publication number
- CN208858770U CN208858770U CN201820974754.0U CN201820974754U CN208858770U CN 208858770 U CN208858770 U CN 208858770U CN 201820974754 U CN201820974754 U CN 201820974754U CN 208858770 U CN208858770 U CN 208858770U
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- CN
- China
- Prior art keywords
- guide rail
- sliding block
- screw rod
- straight line
- bearing roller
- 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.)
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- Transmission Devices (AREA)
Abstract
The utility model belongs to the technical field of straight line screw rod guide rail, it is related to a kind of straight line screw rod guide rail with bearing roller, including guide rail and the screw rod being arranged in guide rail, one end of the guide rail is provided with servo motor, the side opposite with servo motor is provided with positioning bearing, one end of the screw rod is connected by shaft coupling with servo motor, the other end is set in positioning bearing, feed screw nut is arranged on the screw rod, lateral guide rod is respectively arranged in the guide rail front and rear inner side walls, the upper surface of the guide rail is provided with the first sliding block, first sliding block is fixedly connected by nut bushing with feed screw nut, the lower end of first sliding block is connected with bearing roller by pin shaft, the bearing roller is slidably installed on guide rod.Straight line screw rod guide rail provided by the utility model reduces frictional force when sliding block movement, reduces mechanicalness noise, improves the fluency and precision of linear movement, extend service life.
Description
Technical field
The utility model belongs to the technical field of straight line screw rod guide rail, is related to a kind of straight line screw rod with bearing roller and leads
Rail.
Background technique
Straight line screw rod guide rail is a kind of common drive mechanism of machinery field, generally includes guide rail and is arranged in guide rail
Screw rod is arranged feed screw nut on screw rod, is rotated by motor drives screw mandrel, and the rotation of screw rod drives feed screw nut to be moved forward and backward,
To convert linear motion for rotary motion.It is slided again by the sliding block being fixed on nut, drives functor linear movement.
Straight line screw rod guide rail in the prior art has that frictional force is excessive when sliding block sliding in use, and rubs
Power crosses ambassador's mechanicalness noise and becomes larger, and influences the fluency and precision of linear movement, also aggravates mechanical abrasion and shortens mechanical
Service life.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of straight line screw rod guide rails, when reducing sliding block movement
Frictional force, reduce mechanicalness noise, improve the fluency and precision of linear movement, extend service life.
In order to solve the above technical problems, the purpose of this utility model is achieved by following technical proposals:
A kind of straight line screw rod guide rail, including guide rail and the screw rod being arranged in guide rail, one end of the guide rail, which is provided with, to be watched
Motor is taken, the side opposite with servo motor is provided with positioning bearing, and one end of the screw rod passes through shaft coupling and servo motor
It is connected, the other end is set in positioning bearing, and feed screw nut is arranged on the screw rod, is distinguished in the guide rail front and rear inner side walls
It is provided with lateral guide rod, the upper surface of the guide rail is provided with the first sliding block, and first sliding block passes through nut bushing and silk
Stem nut is fixedly connected, and the lower end of first sliding block is connected with bearing roller by pin shaft, and the bearing roller, which is slidably installed in, leads
On bar.
The upper surface of above-mentioned guide rail is additionally provided with the second sliding block, and the lower end of second sliding block is connected with bearing by pin shaft
Idler wheel, the bearing roller are slidably installed on guide rod, and first sliding block and the second sliding block are fixed on functor jointly.The function
Energy part is by the first sliding block and the linear movement of the second sliding block to realize its function.
Bearing roller on above-mentioned first sliding block and the second sliding block respectively has two pairs, each pair of to be slidably installed in the guide rod of front and back two respectively
On.
Above-mentioned bearing roller is each pair of to be shifted to install.
Dust excluder is provided on above-mentioned guide rail.
The both ends of above-mentioned guide rail are provided with the dust-proof pressing plate of fixed dust excluder.
The outer end of above-mentioned first sliding block and the second sliding block is provided with dust-proof guide block, and dust-proof guide block is convenient for the first sliding block and second
Sliding of the sliding block on dust excluder.
Compared to the prior art the utility model, has the following beneficial effects:
The sliding friction of sliding block is converted to rolling friction by bearing roller by the utility model, is existed to reduce sliding block
Frictional force when mobile, reduces mechanicalness noise when sliding, improves the fluency and precision of sliding block linear movement, extends
Mechanical service life.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the inside top figure of the utility model；
Fig. 3 is the connection figure of the utility model bearing roller；
Fig. 4 is the perspective view of the utility model sliding block；
Appended drawing reference: 1, guide rail；2, screw rod；3, servo motor；4, bearing is positioned；5, shaft coupling；6, feed screw nut；7, it leads
Bar；8, the first sliding block；9, pin shaft；10, bearing roller；11, the second sliding block；12, dust excluder；13, dust-proof pressing plate；14, dust-proof to lead
Block.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1-4:
A kind of straight line screw rod guide rail, including guide rail 1 and the screw rod 2 being arranged in guide rail 1, one end setting of the guide rail 1
Have servo motor 3, the side opposite with servo motor 3 is provided with positioning bearing 4, one end of the screw rod 2 by shaft coupling 5 with
Servo motor 3 is connected, and the other end is set in positioning bearing 4, feed screw nut 6 is arranged on the screw rod 2, before the guide rail 1
Lateral guide rod 7 is respectively arranged on inner sidewall afterwards, the upper surface of the guide rail 1 is provided with the first sliding block 8, first sliding block
8 are fixedly connected by nut bushing with feed screw nut 6, and the lower end of first sliding block 8 is connected with bearing roller by pin shaft 9
10, the bearing roller 10 is slidably installed on guide rod 7.
When work, servo motor 3 drives screw rod 2 to rotate, and the rotation of screw rod 2 is so that feed screw nut 6 is moved forward and backward, thus band
Dynamic the first sliding block 8 being fixed on feed screw nut 6 is moved forward and backward, and the first sliding block 8 drives functor to complete feature operation.
The upper surface of above-mentioned guide rail 1 is additionally provided with the second sliding block 11, and the lower end of second sliding block 11 is connected by pin shaft 9
There is bearing roller 10, the bearing roller 10 is slidably installed on guide rod 7, and first sliding block 8 and the second sliding block 11 are fixed on jointly
On functor.The functor is by the first sliding block 8 and the linear movement of the second sliding block 11 to realize its function.First sliding block, 8 He
The double-slider setting of second sliding block 11 improves the stability and rigidity of straight line screw rod guide rail, by adjusting the first sliding block 8 and the
The distance between two sliding blocks 11, can also be adapted to various sizes of functor.
Specific comparative diagram 3, the bearing roller 10 on above-mentioned first sliding block 8 and the second sliding block 11 respectively have two pairs, each pair of difference
It is slidably installed on the guide rod 7 of front and back two.
Above-mentioned bearing roller 10 is each pair of to be shifted to install.
Above-mentioned setting further improves the stability and rigidity of straight line screw rod guide rail
Dust excluder 12 is provided on above-mentioned guide rail 1, dust excluder 12 runs through entire guide rail 1, and dust excluder 12 and guide rail 1 are led
The baffle that rail 1 or so is held forms the space of a relative closure, avoids dust and enters 1 inside of guide rail and influence straight line silk
The precision and service life of rod guide.
The both ends of above-mentioned guide rail 1 are provided with the dust-proof pressing plate 13 of fixed dust excluder 12.
The outer end of above-mentioned first sliding block 8 and the second sliding block 11 is provided with dust-proof guide block 14, and dust-proof guide block 14 is sliding convenient for first
The sliding of block 8 and the second sliding block 11 on dust excluder 12.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (7)
1. a kind of straight line screw rod guide rail, the screw rod (2) including guide rail (1) and setting in guide rail (1), the one of the guide rail (1)
End is provided with servo motor (3), and opposite side, which is provided with, with servo motor (3) positions bearing (4), and the one of the screw rod (2)
End is connected by shaft coupling (5) with servo motor (3), and the other end is set in positioning bearing (4), is arranged on the screw rod (2)
There are feed screw nut (6), which is characterized in that be provided with lateral guide rod (7) on the inner sidewall of the guide rail (1), the guide rail (1)
On be provided with the first sliding block (8), first sliding block (8) is fixedly connected by nut bushing with feed screw nut (6), described first
The lower end of sliding block (8) is connected with bearing roller (10) by pin shaft (9), and the bearing roller (10) is slidably installed on guide rod (7).
2. straight line screw rod guide rail according to claim 1, which is characterized in that it is sliding to be additionally provided with second on the guide rail (1)
Block (11), the lower end of second sliding block (11) are connected with bearing roller (10) by pin shaft (9), first sliding block (8) and
Second sliding block (11) is fixed on functor jointly.
3. straight line screw rod guide rail according to claim 2, which is characterized in that first sliding block (8) and the second sliding block
(11) bearing roller (10) on respectively has two pairs.
4. straight line screw rod guide rail according to claim 3, which is characterized in that each pair of bearing roller (10) shifts to install.
5. straight line screw rod guide rail according to claim 1, which is characterized in that be provided with dust excluder on the guide rail (1)
(12)。
6. straight line screw rod guide rail according to claim 5, which is characterized in that the both ends of the guide rail (1) are provided with fixation
The dust-proof pressing plate (13) of dust excluder (12).
7. straight line screw rod guide rail according to claim 2, which is characterized in that first sliding block (8) and the second sliding block
(11) outer end is provided with dust-proof guide block (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820974754.0U CN208858770U (en) | 2018-06-23 | 2018-06-23 | A kind of straight line screw rod guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820974754.0U CN208858770U (en) | 2018-06-23 | 2018-06-23 | A kind of straight line screw rod guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858770U true CN208858770U (en) | 2019-05-14 |
Family
ID=66411894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820974754.0U Active CN208858770U (en) | 2018-06-23 | 2018-06-23 | A kind of straight line screw rod guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208858770U (en) |
-
2018
- 2018-06-23 CN CN201820974754.0U patent/CN208858770U/en active Active
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