CN207715547U - A kind of long-life the linear guide - Google Patents
A kind of long-life the linear guide Download PDFInfo
- Publication number
- CN207715547U CN207715547U CN201721577767.6U CN201721577767U CN207715547U CN 207715547 U CN207715547 U CN 207715547U CN 201721577767 U CN201721577767 U CN 201721577767U CN 207715547 U CN207715547 U CN 207715547U
- Authority
- CN
- China
- Prior art keywords
- ball
- metallic plate
- semi arch
- guide rail
- sliding block
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of long-life the linear guides,It includes guide rail,Sliding block and ball screw,Ball screw includes screw rod and nut,The both ends of screw rod are installed on by bearing on guide rail,Nut is fixedly connected with a slide block,The both sides of the lower end of sliding block are respectively equipped with the ball-recirculation road of horizontal annular,A circle ball is provided in ball-recirculation road,Sliding block includes the support base at middle part and two oil sealing end blocks for being installed on support base both ends,Ball-recirculation road includes out the side straight way in the side of support base,It opens in the interior straight way in support base and the semi arch bend in two oil sealing end blocks,The ball for being recycled to side straight way is protruded from the both sides of sliding block respectively,And it is contacted with the medial surface of the two side of guide rail,The preceding semi arch metallic plate for being fixed with correspondence and later half circular arc metallic plate are inlayed in semi arch bend,It is respectively equipped with arc groove in preceding semi arch metallic plate and the facing cambered surface of later half circular arc metallic plate.The utility model use cost is low.
Description
Technical field
The utility model is related to a kind of long-life the linear guides.
Background technology
The linear guide is that pure rolling is done in ring raceway using ball as carrier, and straight line is done to greatly reduce sliding block
The resistance of movement, and kinematic accuracy is high, is the main product used in current automation equipment.
And existing the linear guide is in use, due to the continuous circulating rolling of ball, to the plastics at sliding block both ends
The serious wear of oil sealing end cap results in the need for frequently replacing plastics oil sealing end cap, increases workload and use cost.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of long-life the linear guide that use cost is low.
Above-mentioned technical problem is solved, the technical solution adopted in the utility model is as follows：
A kind of long-life the linear guide, including guide rail, sliding block and ball screw, ball screw include the installation that cooperates
The both ends of screw rod and nut, screw rod are installed on by bearing on guide rail, and nut is fixedly connected with a slide block, and the two of the lower end of sliding block
Side is respectively equipped with the ball-recirculation road of horizontal annular, and a circle ball is provided in ball-recirculation road, and sliding block includes middle part
Support base and two oil sealing end blocks for being installed on support base both ends, ball-recirculation road includes out straight in the side of the side of support base
Road is opened in the interior straight way in support base and the semi arch bend in two oil sealing end blocks, and the ball of side straight way is recycled to
It protrudes from the both sides of sliding block, and is contacted with the medial surface of the two side of guide rail respectively, inlayed in semi arch bend before being fixed with
Corresponding preceding semi arch metallic plate and later half circular arc metallic plate afterwards, preceding semi arch metallic plate and later half circular arc metallic plate are facing
Arc groove is respectively equipped in cambered surface, the front and rear part spherical surface for the ball being recycled in semi arch bend is contacted with arc groove,
To be rolled between semi arch metallic plate and later half circular arc metallic plate before ball is limited in.
Further, one end positioned at oil sealing end block side of preceding semi arch metallic plate is equipped with ball guide part, and ball is led
It is prominent to portion from the side of oil sealing end block.
Further, oil sealing end block includes upper mounting blocks and lower installation board, and the lower face of upper mounting blocks is provided with upper half circular arc
Slot, the upper surface of lower installation board are equipped with lower half arc groove, have and are used on the bottom surface of upper half arc groove and lower half arc groove
The mounting groove of semi arch metallic plate and later half circular arc metallic plate before fixed, preceding semi arch metallic plate and later half circular arc metallic plate it is upper
Following be correspondingly embedded in respectively is installed in mounting groove.
Further, the side of side straight way is opening, and the medial surface of the two side of guide rail corresponds to ball outstanding and is equipped with
The protrusion of sliding slot, ball outstanding is contacted with sliding slot, and the ball for being recycled to side straight way is limited to side straight way and sliding slot
Between.
Further, horizontal plastic column, the both ends of plastic column are equipped between adjacent two ball in ball-recirculation road
Face is respectively equipped with the spherical concave surface with the sphere-contact of ball.
Further, the upper surface of the both sides of guide rail are respectively fixed with the vertical sealing plate for improving safety.
Further, it is equipped with motor mount and the shaft coupling for being connect with motor in one end of guide rail.With it is existing
There is technology to compare, the utility model has the advantages that：
The utility model inlays the preceding semi arch metallic plate and later half circular arc gold of fixed correspondence in semi arch bend
Belong to plate so that ball be in semi arch bend inside turn with forward and backward semi arch metallic plate friction, wear replace when only need more
Forward and backward semi arch metallic plate is changed, and since forward and backward semi arch metallic plate is individual widget, it is preferable that quality can be used
Special anti abrasive metal be made, cost will not increase very much, but can largely extend oil sealing end cap use the longevity
Life reduces maintenance cost.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is one of the guide rail of the utility model and the scheme of installation of sliding block；
Fig. 3 is the two of the guide rail of the utility model and the scheme of installation of sliding block；
Fig. 4 is the stereoscopic schematic diagram of the sliding block of the utility model；
Fig. 5 is one of explosive view of sliding block of the utility model；
Fig. 6 is the two of the explosive view of the sliding block of the utility model；
Fig. 7 is the structural schematic diagram of the preceding semi arch metallic plate and later half circular arc metallic plate of the utility model；
Fig. 8 is the side view of the sliding block of the utility model；
Fig. 9 is the sectional view at A-A in Fig. 8；
Figure 10 is the structural schematic diagram of the plastic column of the utility model；
Figure 11 is the stereoscopic schematic diagram of the support base of the utility model.
Specific implementation mode
A kind of long-life the linear guide as shown in Figure 1, Figure 2 and Figure 3 comprising guide rail 3, sliding block 2 and ball screw 1,
It is equipped with motor mount 4 in one end of guide rail and the shaft coupling 5 for being connect with motor, ball screw 1 includes mutually matched
The both ends of screw rod 12 and nut 11, screw rod 12 are installed on by bearing 7 on guide rail 3, and one end of screw rod 12 is connect with shaft coupling 5,
Nut 11 is fixedly connected with sliding block 2, is run on guides 3 with movable slider 2 by ball screw 1.
As shown in Fig. 3 to Figure 11, the ball-recirculation road of horizontal annular is respectively equipped in the both sides of the lower end of sliding block 2
10, a circle ball 9 is provided in ball-recirculation road 10, the size in ball-recirculation road 10 is corresponding to 9 size of ball, and sliding block 2 wraps
It includes the support base 23 at middle part and is installed on two oil sealing end blocks at support base both ends, ball-recirculation road 10 includes opening in support base 23
Side side straight way 103, open in the interior straight way 102 in support base 23 and the semi arch bend in two oil sealing end blocks
101, side straight way 103, interior straight way 102 and two halves circular arc curve 101 are interconnected to form an annular, are led in the high-speed straight-line
When rail is run, the circulating rolling in ball-recirculation road 10 of ball 9.Interior straight way 102 is to open in the through-hole in support base 23, and side is straight
The side in road 103 is opening, and the size of opening is more than the diameter of ball 9, and the ball 9 for being recycled to side straight way 103 is limited to side
Between side straight way 103 and sliding slot 31,
As shown in Figs. 5 to 7, oil sealing end block includes upper mounting blocks 21 and lower installation board 22, and the lower face of upper mounting blocks 21 is opened
There are upper half arc groove 211, the upper surface of lower installation board 22 to be equipped with lower half arc groove 221, upper half arc groove 211 and lower half arc groove
About 221 are correspondingly formed semi arch bend 101.The preceding semi arch metallic plate of correspondence is fixed in semi arch bend 101
301 and later half circular arc metallic plate 302, the present embodiment share four groups of forward and backward semi arch metallic plates, upper half arc groove 211 and lower half
The mounting groove 222 for semi arch metallic plate before fixation and later half circular arc metallic plate is had on the bottom surface of arc groove 221, it is preceding
Upper following be correspondingly embedded in respectively of semi arch metallic plate and later half circular arc metallic plate is installed in mounting groove 222.Preceding semi arch gold
Belong to and be respectively equipped with arc groove 304 in plate 301 and the facing cambered surface of later half circular arc metallic plate 302, is recycled to semi arch bend
The front and rear part spherical surface of ball in 101 is contacted with arc groove 304, to which ball is limited in preceding semi arch metallic plate 301
It is rolled between later half circular arc metallic plate 302 so that ball is and forward and backward semi arch metallic plate in semi arch bend inside turn
Friction only needs to change forward and backward semi arch metallic plate when wearing replacement, and since forward and backward semi arch metallic plate is independent
Widget, the preferable special anti abrasive metal of quality can be used and be made, in addition to forward and backward semi arch metal in oil sealing end block
Plate, remaining is made of plastics.
One end positioned at oil sealing end block side of preceding semi arch metallic plate 301 is equipped with ball guide part 303, ball guide part
303 protrude from the side of oil sealing end block, and during the linear guide use, ball guides under the action of ball guide part 303
Roll into or guide and roll out semi arch bend so that ball between side straight way and semi arch bend by when be unlikely to detach
It goes.It is provided with the filling passage 200 for adding lubricating oil in 102 side of interior straight way, filling passage 200 is close to interior straight way 102
Side is connected to by gap with interior straight way 102.
It is both provided with horizontal plastic column 8 between two adjacent balls 9 in ball-recirculation road 10, as shown in Figures 9 and 10,
The both ends of the surface of plastic column 8 are respectively equipped with the spherical concave surface 81 with the sphere-contact of two balls, and the size of spherical concave surface 81 is less than rolling
The size of the half of the spherical surface of pearl 9, plastic column 8 are made of wear-resistant plastic.The utility model at runtime, ball 9 and plastic column 8
Contact avoids phase mutual friction between two adjacent balls 9, and ball-recirculation road 10 is added as oil groove in spherical concave surface 81
In lubricating oil will between spherical concave surface 81 and ball 9 formed a larger area oil film.
The ball 9 for being recycled to sliding block both sides is protruded from the both sides of sliding block 2 respectively, and the medial surface of the two side of guide rail 3 corresponds to
Both sides ball outstanding is equipped with sliding slot 31, and the protrusion of ball 9 outstanding is contacted with sliding slot 31 so that sliding block 2, which is limited in, leads
On rail 3.Vertical sealing plate 6 is respectively fixed in the upper end of the both sides of guide rail 3, sealing plate 6 improves safety, avoid from
Side touches the sliding block of high-speed cruising.
Above-described embodiment of the utility model is not the restriction to scope of protection of the utility model, the reality of the utility model
It is without being limited thereto to apply mode, all this kind the above according to the present utility model, according to the ordinary technical knowledge of this field and used
With means, under the premise of not departing from the utility model above-mentioned basic fundamental thought, the utility model above structure is made its
The modification, replacement or change of its diversified forms, shall fall within the scope of the present invention.
Claims (7)
1. a kind of long-life the linear guide, it is characterised in that：Including guide rail, sliding block and ball screw, the ball screw includes
Cooperate the screw rod and nut installed, and the both ends of the screw rod are installed on by bearing on guide rail, and the nut is solid with sliding block
Fixed connection, the both sides of the lower end of the sliding block are respectively equipped with the ball-recirculation road of horizontal annular, in the ball-recirculation road
In be provided with a circle ball, the sliding block includes the support base at middle part and two oil sealing ends for being installed on the support base both ends
Block, the ball-recirculation road include out the side straight way in the side of the support base, open in the interior straight way in the support base
With the semi arch bend in described two oil sealing end blocks, the ball of the side straight way is recycled to respectively from the cunning
The both sides of block protrude, and are contacted with the medial surface of the two side of guide rail, and it is right before and after being fixed with to be inlayed in the semi arch bend
The preceding semi arch metallic plate and later half circular arc metallic plate answered, the preceding semi arch metallic plate and later half circular arc metallic plate are facing
Arc groove is respectively equipped in cambered surface, front and rear part spherical surface and the arc for being recycled to the ball in the semi arch bend are recessed
Slot contacts, and is rolled to which the ball to be limited between the preceding semi arch metallic plate and later half circular arc metallic plate.
2. long-life the linear guide according to claim 1, it is characterised in that：The preceding semi arch metallic plate is located at institute
The one end for stating oil sealing end block side is equipped with ball guide part, and the ball guide part is protruded from the side of the oil sealing end block.
3. long-life the linear guide according to claim 2, it is characterised in that：The oil sealing end block include upper mounting blocks and
The lower face of lower installation board, the upper mounting blocks is provided with upper half arc groove, and the upper surface of the lower installation board is equipped with lower half circular arc
It is had on the bottom surface of slot, the upper half arc groove and lower half arc groove for fixing the preceding semi arch metallic plate and later half
The upper of the mounting groove of circular arc metallic plate, the preceding semi arch metallic plate and later half circular arc metallic plate is correspondingly embedded in installation respectively below
In the mounting groove.
4. long-life the linear guide according to claim 3, it is characterised in that：The side of the side straight way is opening,
The medial surface of the two side of the guide rail correspond to the ball outstanding be equipped with sliding slot, the protrusion of the ball outstanding with
The sliding slot contact, the ball for being recycled to the side straight way are limited between the side straight way and sliding slot.
5. long-life the linear guide according to claim 4, it is characterised in that：Adjacent two rolling in the ball-recirculation road
Horizontal plastic column is equipped between pearl, the both ends of the surface of the plastic column are respectively equipped with the spherical shape with the sphere-contact of the ball
Concave surface.
6. the long-life the linear guide according to claim 1 to 5 any one, it is characterised in that：The both sides of the guide rail
The upper surface of be respectively fixed with improve safety vertical sealing plate.
7. long-life the linear guide according to claim 6, it is characterised in that：Pacify equipped with motor in one end of the guide rail
Fill seat and the shaft coupling for being connect with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721577767.6U CN207715547U (en) | 2017-11-22 | 2017-11-22 | A kind of long-life the linear guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721577767.6U CN207715547U (en) | 2017-11-22 | 2017-11-22 | A kind of long-life the linear guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715547U true CN207715547U (en) | 2018-08-10 |
Family
ID=63061917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721577767.6U Expired - Fee Related CN207715547U (en) | 2017-11-22 | 2017-11-22 | A kind of long-life the linear guide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715547U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139848A (en) * | 2018-08-31 | 2019-01-04 | 江门市天功自动化科技有限公司 | A kind of novel slide carriage structure and its processing technology |
| CN110408927A (en) * | 2019-08-30 | 2019-11-05 | 成都青石激光科技有限公司 | A kind of laser cladding apparatus and its operating method for bearing shell |
-
2017
- 2017-11-22 CN CN201721577767.6U patent/CN207715547U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139848A (en) * | 2018-08-31 | 2019-01-04 | 江门市天功自动化科技有限公司 | A kind of novel slide carriage structure and its processing technology |
| CN110408927A (en) * | 2019-08-30 | 2019-11-05 | 成都青石激光科技有限公司 | A kind of laser cladding apparatus and its operating method for bearing shell |
| CN110408927B (en) * | 2019-08-30 | 2021-04-30 | 成都青石激光科技有限公司 | Laser cladding device for bearing bush and operation method thereof |
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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: 20180810 Termination date: 20201122 |