CN211314853U - Wear-resisting slider with double-arc reverser - Google Patents
Wear-resisting slider with double-arc reverser Download PDFInfo
- Publication number
- CN211314853U CN211314853U CN201921542498.9U CN201921542498U CN211314853U CN 211314853 U CN211314853 U CN 211314853U CN 201921542498 U CN201921542498 U CN 201921542498U CN 211314853 U CN211314853 U CN 211314853U
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- Prior art keywords
- arc
- ball
- returning rolling
- shaped steering
- reverser
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- 238000005096 rolling process Methods 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005457 optimization Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a wear-resisting slide block with double-arc reverser, which comprises a slide block main body, a reverser, a dustproof sheet and a steel ball, wherein the reverser comprises a shell and a cover body, the upper part of the shell is symmetrically provided with a pair of first ball returning rolling grooves, the lower part of the shell is symmetrically provided with a pair of second ball returning rolling grooves, the top walls of the first ball returning rolling grooves and the second ball returning rolling grooves are respectively provided with a first arc-shaped steering belt, the bottom wall is respectively provided with a second arc-shaped steering belt which is symmetrical to the first arc-shaped steering belt, the steel ball is simultaneously rolled and butted with the first arc-shaped steering belt and the second arc-shaped steering belt, the steel ball is butted on the first arc-shaped steering belt to form an upper butting point, the upper butting point on the second arc-shaped steering belt is butted, a gap is arranged between the steel ball and the side wall of the first ball returning rolling groove or the side wall of the second ball returning groove far away from the axis, the double-arc-shaped steering, the device has the advantages of low noise, high precision, stable motion, good synchronism, long durability and the like.
Description
Technical Field
The utility model relates to a linear guide slider processing technology field especially relates to a wear-resisting slider with bi-arc reverser.
Background
Along with the continuous progress of science and technology, intelligent, precision machining plays more and more important effect, for example mechanical structure that precision requirements such as large-scale lathe, bender, laser-beam welding machine, manipulator are high all can use linear guide in the processing product process. The linear guide rail mainly comprises a sliding block and a guide rail, wherein the sliding block moves on the guide rail, supports and guides the moving part and makes reciprocating linear motion according to a given direction.
The reverser on the slide block is used for stably changing the movement of the steel ball coming out of the loaded track of the slide block main body by 180 degrees, and the direction change is completed by a ball returning rolling groove in the reverser. Generally, in the process of changing the direction, the contact between a single steel ball and the ball returning rolling groove is single-point contact, namely, the steel ball forms an arc-shaped movement track in the ball returning rolling groove through a plurality of single points, the plurality of steel balls all realize steering along the arc-shaped movement track, long-time friction can cause the ball returning rolling groove to be abraded on the movement track, and then noise is generated, the steel balls are not stably operated, and the like, so that the normal use of the sliding block is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wear-resisting slider with biarc reverser, the double circular arc steering band of design in the ball rolling groove returns, and the contact angle between steel ball and the slider is more in the same direction as smooth, has advantages such as low noise, high accuracy, motion stationary, synchronism are good, the durability is long.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a wear-resisting slider with biarc reverser, includes slider main part, a pair of reverser, a pair of dustproof piece and a plurality of steel ball, the reverser includes casing and lid, the symmetry of casing upper portion is equipped with a pair of first ball rolling groove of returning, and its lower part symmetry is equipped with a pair of second ball rolling groove of returning, the roof of first ball rolling groove of returning and second ball rolling groove all is equipped with first arc and turns to the area, and the diapire of the two all is equipped with the second arc that turns to with first arc and turns to the symmetrical area and turn to the area, the steel ball rolls the butt simultaneously with first arc and turns to area and second arc and takes, and this steel ball butt forms the butt point on first arc turns to the area, and it turns to take the butt to form down the butt point on the second arc, the steel ball returns the ball rolling groove or the second and has the space between the lateral wall of keeping away from axis one side.
As a further optimization, the upper part of the cover body is provided with a pair of first through holes communicated with the first ball returning rolling grooves, and the lower part of the cover body is provided with a pair of second through holes communicated with the second ball returning rolling grooves.
As a further optimization, a first limiting boss is arranged on the periphery of one side, away from the first ball returning rolling groove, of the first through hole, a first slot is formed in the slider body, and the first limiting boss is inserted into the first slot.
As a further optimization, a second limiting boss is arranged on the side, away from the second ball returning rolling groove, of the second through hole, a second slot is formed in the slider body, and the second limiting boss is inserted into the second slot.
As a further optimization, a plurality of first locking holes are formed in the shell, second locking holes matched with the first locking holes are formed in the cover body, and the shell and the cover body are fixedly connected through locking bolts which sequentially penetrate through the first locking holes and the second locking holes.
As a further optimization, the locking bolt sequentially penetrates through the dustproof sheet and the reverser and then is locked on the sliding block main body.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the steel ball is respectively abutted with the first arc-shaped steering belt and the second arc-shaped steering belt in the ball returning rolling groove to form an upper contact point and a lower contact point, and the steel ball rotates reversely on a track formed by the continuous upper contact point and the continuous lower contact point, so that compared with the traditional one-point contact of the steel ball and the ball returning rolling groove, the wear resistance of the ball returning rolling groove is improved, the running smoothness is improved, and the noise is reduced; the service life of the reverser is prolonged;
2. the limiting boss is accurately inserted into the slider main body, so that the steel ball can smoothly and accurately run between the slider main body and the reverser, and the running precision is high.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a connection structure diagram of the dust-proof sheet and the reverser of the present invention.
Fig. 3 is a structural diagram of the housing of the present invention.
Fig. 4 is a view of the bottom of the housing of the present invention.
Fig. 5 is a schematic view of a single steel ball in the housing according to the present invention.
Fig. 6 is an enlarged view of a portion a in fig. 5.
In the drawings, 1. a slider main body; 2. an inverter; 3. a dust-proof sheet; 4. locking the bolt; 5. a steel ball; 21. a housing; 22. a cover body; 211. a first ball returning rolling groove; 212. a second ball returning rolling groove; 213. a first locking hole; 221. a first through hole; 222. a second through hole; 223. a second locking hole; 2111. a first arcuate steering band; 2112. a second arcuate steering band; 2211. a first limit boss; 2221. a second limit boss; 210a, an upper abutting point; 210b, a lower abutting point; 210c. voids.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 6, a wear-resistant slider with a double-arc reverser comprises a slider body 1, a pair of reversers 2, a pair of dust-proof sheets 3 and a plurality of steel balls 5, wherein the reversers 2 comprise a shell 21 and a cover 22, a pair of first ball-returning rolling grooves 211 are symmetrically arranged at the upper part of the shell 21, the lower part of the first ball returning groove is symmetrically provided with a pair of second ball returning grooves 212, the top walls of the first ball returning grooves 211 and the second ball returning grooves 212 are both provided with a first arc-shaped turning belt 2111, and the bottom walls of the two are provided with a second arc-shaped steering belt 2112 symmetrical to the first arc-shaped steering belt 2111, the steel ball 5 is simultaneously in rolling contact with the first arc-shaped steering belt 2111 and the second arc-shaped steering belt 2112, the steel ball 5 abuts on the first arc-shaped turn belt 2111 to form an upper abutment point 210a, the lower contact point 210b is formed by the contact of the second arc-shaped turning belt 2112, and a gap 210c is formed between the steel ball 5 and the side wall of the first ball returning groove 211 or the second ball returning groove 212 on the side far from the axis.
Set up first arc respectively through roof and the diapire in returning the pearl slot and turn to area and second arc to turn to the area, make and roll to the steel ball that returns the pearl slot and form the butt point on first arc turns to the area, form butt point down on the second arc turns to and takes, the steel ball is when going on backward in returning the pearl slot, form continuous last butt point and continuous lower butt point, the steel ball is along last butt point orbit and lower butt point orbit operation, compare in the tradition at the orbit that returns the operation orbit that a contact point formed in the pearl slot, can ensure that the steel ball moves more steadily, the operation precision is high, can reduce the noise, simultaneously, can reduce the wearing and tearing on the orbit, make the steel ball with return the contact between the pearl slot more smooth.
The upper part of the cover 22 is provided with a pair of first through holes 221 communicated with the first ball returning rolling groove 211, and the lower part is provided with a pair of second through holes 222 communicated with the second ball returning rolling groove 212; a first limiting boss 2211 is arranged on the periphery of one side, away from the first ball returning rolling groove 211, of the first through hole 221, a first slot is formed in the slider body 1, and the first limiting boss 2211 is inserted into the first slot; the second through hole 222 is provided with a second limiting boss 2221 on the side of the second through hole 222 away from the second ball-returning rolling groove 212, the slider body 1 is provided with a second slot, and the second limiting boss 2221 is inserted into the second slot.
The reverser is accurately installed on the sliding block main body through the first limiting boss and the second limiting boss, so that the steel ball can smoothly and accurately run in the sliding block main body and the ball returning rolling groove, and the steel ball can stably run.
A plurality of first locking holes 213 are formed in the housing 21, a second locking hole 223 matched with the first locking holes 213 is formed in the cover 22, and the housing 21 and the cover 22 are fixedly connected through a locking bolt 4 which sequentially penetrates through the first locking holes 213 and the second locking hole 223.
The locking bolt 4 passes through the dustproof sheet 3 and the reverser 2 in sequence and then is locked on the sliding block main body 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A wear-resistant sliding block with double-arc reverser comprises a sliding block main body (1), a pair of reversers (2), a pair of dust-proof sheets (3) and a plurality of steel balls (5), and is characterized in that the reversers (2) comprise a shell (21) and a cover body (22), a pair of first ball returning rolling grooves (211) are symmetrically arranged at the upper part of the shell (21), a pair of second ball returning rolling grooves (212) are symmetrically arranged at the lower part of the shell, the top walls of the first ball returning rolling grooves (211) and the second ball returning rolling grooves (212) are respectively provided with a first arc-shaped steering belt (2111), the bottom walls of the first ball returning rolling grooves and the second ball returning rolling grooves are respectively provided with a second arc-shaped steering belt (2112) which is symmetrical to the first arc-shaped steering belt (2111), the steel balls (5) roll and abut against the first arc-shaped steering belt (2111) and the second arc-shaped steering belt (2112) at the same time, and the steel balls (5) abut against the first arc-shaped, the steel ball (5) is abutted against a second arc-shaped steering belt (2112) to form a lower abutting point (210b), and a gap (210c) is formed between the steel ball (5) and the side wall of one side, far away from the axis, of the first ball returning rolling groove (211) or the second ball returning rolling groove (212).
2. The wear-resistant slider with double circular arc reverser according to claim 1, wherein the cover body (22) is provided at the upper part with a pair of first through holes (221) communicating with the first ball-returning rolling grooves (211) and at the lower part with a pair of second through holes (222) communicating with the second ball-returning rolling grooves (212).
3. The wear-resistant slider with the double circular arc reverser according to claim 2, wherein the first through hole (221) is provided with a first limit boss (2211) on the periphery of the side away from the first ball-returning rolling groove (211), the slider body (1) is provided with a first slot, and the first limit boss (2211) is inserted into the first slot.
4. The wear-resistant slider with the double circular arc reverser according to claim 2, wherein the second through hole (222) is provided with a second limit boss (2221) on the side far away from the second ball-returning rolling groove (212), the slider body (1) is provided with a second slot, and the second limit boss (2221) is inserted into the second slot.
5. The wear-resistant sliding block with the double-circular-arc reverser according to claim 1, wherein the shell (21) is provided with a plurality of first locking holes (213), the cover body (22) is provided with second locking holes (223) matched with the first locking holes (213), and the shell (21) and the cover body (22) are fixedly connected through locking bolts (4) sequentially penetrating through the first locking holes (213) and the second locking holes (223).
6. The wear-resistant slider with a double-arc reverser according to claim 5, characterized in that the locking bolt (4) is locked on the slider body (1) after passing through the dust-proof sheet (3) and the reverser (2) in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921542498.9U CN211314853U (en) | 2019-09-17 | 2019-09-17 | Wear-resisting slider with double-arc reverser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921542498.9U CN211314853U (en) | 2019-09-17 | 2019-09-17 | Wear-resisting slider with double-arc reverser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314853U true CN211314853U (en) | 2020-08-21 |
Family
ID=72064729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921542498.9U Expired - Fee Related CN211314853U (en) | 2019-09-17 | 2019-09-17 | Wear-resisting slider with double-arc reverser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314853U (en) |
-
2019
- 2019-09-17 CN CN201921542498.9U patent/CN211314853U/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: 20200821 |