CN206326025U - A kind of keyway guide column sleeve - Google Patents
A kind of keyway guide column sleeve Download PDFInfo
- Publication number
- CN206326025U CN206326025U CN201621448816.1U CN201621448816U CN206326025U CN 206326025 U CN206326025 U CN 206326025U CN 201621448816 U CN201621448816 U CN 201621448816U CN 206326025 U CN206326025 U CN 206326025U
- Authority
- CN
- China
- Prior art keywords
- bushing
- ball
- keyway
- guide
- guide pin
- 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
Links
Abstract
The utility model discloses a kind of keyway guide column sleeve, including guide pillar, bushing and guide pin bushing；Bushing, which is arranged, to be installed on guide pillar, and guide pin bushing is sheathed on bushing；There is symmetrical sliding keyway the both sides of guide pillar are axially arranged；The engaging key being adapted to sliding keyway is provided with bushing inwall；The ball retainer for the circular arc being coaxially disposed with bushing is embedded with bushing inwall, axially arranged single row ball retaining hole is provided with ball retainer；Ball retaining hole is located on the inwall directly over bushing, and ball is provided with ball retaining hole；It is axially arranged on guide pillar to have the ball grooves being adapted to ball.The utility model is rational in infrastructure, using sliding keyway, substantially increase its linearity and precision, ball grooves are set simultaneously, realize interference blind-mate between guide pillar and bushing, precision of the present utility model is further increased, and is circumferentially rotated between the cooperation of keyway and ball grooves limitation bushing and guide pillar, stationarity of the present utility model is improved.
Description
Technical field
The utility model is related to precision die manufacture field, more particularly to a kind of keyway guide column sleeve.
Background technology
Guide pillar is to be used to be applied in combination with component in mould to ensure mould accurately to position carry out activity guiding mould row
The director element of journey, generally coordinates with guide pin bushing.In commercial process, slender type guide pillar can be usually used as guide
For machine driving position or sliding position, and slender type guide pillar is often present that linearity is high, the low problem of precision.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of keyway guide column sleeve, using keyway and ball engagement
Mode, solve the problem of traditional elongate type guide pillar linearity is not high, precision is low.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：A kind of keyway guide column sleeve, including guide pillar, bushing
And guide pin bushing；The bushing, which is arranged, to be installed on the guide pillar, and the guide pin bushing is sheathed on the bushing；In the both sides of the guide pillar
It is axially arranged to have symmetrical sliding keyway；The engaging key being adapted to the sliding keyway is provided with the bushing inwall；Institute
The ball retainer that bushing inwall is embedded with the circular arc being coaxially disposed with the bushing is stated, is set on the ball retainer
There is axially arranged single row ball retaining hole；The ball retaining hole is located on the inwall directly over the bushing, the ball
Ball is installed in retaining hole；It is axially arranged on the guide pillar to have the ball grooves being adapted to the ball.
It is preferred that, the length of the bushing is 5-45cm.
It is preferred that, the two ends of the bushing engage fixed, axial phase between the limitation guide pin bushing and bushing with the guide pin bushing
To motion.
As a kind of preferred scheme of the present utility model, the guide pin bushing inwall is provided with positioning spline, in the bushing
Outer wall be provided with the positioning spline coordinate positioning key；The guide pin bushing inwall is provided with annular groove, the annular groove
Snap ring is inside installed, the snap ring protrudes the annular groove；The snap ring and positioning spline limit the bushing and make relative guide pin bushing
Axial movement.
As further improvement of the utility model, the axial alignment through the guide pin bushing is provided with the guide pin bushing
Hole.
As further improvement of the utility model, laser aligning transmitter is separately installed with the guide pillar two ends and is swashed
Light alignment receiver.
As further improvement of the utility model, the guide pin bushing is made up of bearing steel.
By above-mentioned technical proposal, the beneficial effect of technical solutions of the utility model is：The utility model is rational in infrastructure, adopts
With sliding keyway, substantially increase linearity of the present utility model and precision, while set ball grooves, realize guide pillar and bushing it
Between interference blind-mate, further increase precision of the present utility model, and the cooperation of keyway and ball grooves limitation bushing with
Circumferentially rotated between guide pillar, improve stationarity of the present utility model.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sectional view of the present utility model.
Numeral and the corresponding component title represented by letter in figure：
1. the guide pin bushing of 2. bushing of guide pillar 3.
4. sliding keyway 5. engages the ball retainer of key 6.
7. the alignment hole of 8. positioning key of ball 9..
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Embodiment
With reference to Fig. 1, Fig. 2, the utility model discloses a kind of 1 set of keyway guide pillar, leptosomatic guide pillar 1 is mainly used in.
The utility model mainly includes guide pillar 1, bushing 2 and guide pin bushing 3；Bushing 2, which is arranged, to be installed on guide pillar 1, and guide pin bushing 3 is sheathed on bushing 2
On, guide pin bushing 3 can be made up of bearing steel, and the length of bushing 2 is preferably 5-45cm, can play certain supporting role to guide pillar 1.Lining
Set 2 and guide pin bushing 3 axially move with respect to guide pillar 1；Axial restraint between bushing 2 and guide pin bushing 3, limits or does not limit bushing 2 with leading
Axial rotation is carried out between set 3.The ball retainer 6 for the circular arc being coaxially disposed with bushing 2 is embedded with the inwall of bushing 2,
Axially arranged single row ball retaining hole is provided with ball retainer 6；Ball retaining hole is located at the inwall directly over bushing 2
On, ball 7 is installed in ball retaining hole；It is axially arranged on guide pillar 1 to have the ball grooves being adapted to ball 7.The two of guide pillar 1
Side axle is to being provided with symmetrical sliding keyway 4；The engaging key 5 being adapted to sliding keyway 4 is provided with the inwall of bushing 2.This practicality
Between new guide pin bushing 3 and bushing 2 based on rolling friction, supplemented by sliding friction, guide pillar 1 is realized in the cooperation of ball 7 and ball grooves
The interference blind-mate between bushing 2, on the one hand reduces abrasion, improves service life of the present utility model, on the other hand carries
High precision of the present utility model；Engage key 5 and sliding keyway 4, on the one hand play raising linearity of the present utility model and precision
Effect, on the other hand prevent circumferential rotation, improve stability of the present utility model, and prevent that ball 7 from taking off groove, together
When certain supporting role is also played to guide pillar 1.
A variety of connected modes can be used between bushing 2 and guide pin bushing 3, are such as threadedly coupled, be connected together conventional connection side
Formula all may be used.The utility model is preferably the two ends of bushing 2 and guide pin bushing 3 engages fixed, axial direction between limitation guide pin bushing 3 and bushing 2
Relative motion.Can be specifically that the inwall of guide pin bushing 3 is provided with positioning spline, is provided with and positioning spline in the outer wall of bushing 2
The positioning key 8 of cooperation；It is provided with the inwall of guide pin bushing 3 in annular groove, annular groove and snap ring is installed, snap ring protrudes annular groove；Snap ring
The axial movement that bushing 2 makees relative guide pin bushing 3 is limited with positioning spline.
In order to be further ensured that linearity of the present utility model, the school through guide pin bushing 3 of axial direction can be set on guide pin bushing 3
Straight hole 9.Meanwhile, it is separately installed with laser aligning transmitter and laser aligning receiver at the two ends of guide pillar 1.Laser aligning transmitter
Launch laser and pass through alignment hole 9, to examine the linearity of motion.
By above-mentioned specific embodiment, the beneficial effects of the utility model are：The utility model is rational in infrastructure, is rubbed with rolling
Based on wiping, supplemented by sliding friction, interference blind-mate, one between guide pillar 1 and bushing 2 are realized in the cooperation of ball 7 and ball grooves
Aspect reduces abrasion, improves service life of the present utility model, on the other hand improves precision of the present utility model；Engage key 5 with
Sliding keyway 4, on the one hand plays a part of improving linearity of the present utility model and precision, on the other hand prevents circumferential
Rotate, improve stability of the present utility model, and prevent that ball 7 from taking off groove, while also playing certain Zhi Chengzuo to guide pillar 1
With.The utility model linearity is good, high precision, uses small, long service life of wearing and tearing.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (7)
1. a kind of keyway guide column sleeve, it is characterised in that including guide pillar, bushing and guide pin bushing；The bushing, which is arranged, is installed on described lead
On post, the guide pin bushing is sheathed on the bushing；There is symmetrical sliding keyway the both sides of the guide pillar are axially arranged；The lining
The engaging key being adapted to the sliding keyway is provided with set inwall；It is embedded with and is coaxially set with the bushing in the bushing inwall
The ball retainer for the circular arc put, is provided with axially arranged single row ball retaining hole on the ball retainer；It is described
Ball retaining hole is located on the inwall directly over the bushing, and ball is provided with the ball retaining hole；On the guide pillar
It is axially arranged to have the ball grooves being adapted to the ball.
2. keyway guide column sleeve according to claim 1, it is characterised in that the length of the bushing is 5-45cm.
3. keyway guide column sleeve according to claim 1, it is characterised in that the two ends of the bushing engage solid with the guide pin bushing
If limiting moving axially relative between the guide pin bushing and bushing.
4. keyway guide column sleeve according to claim 1, it is characterised in that the guide pin bushing inwall is provided with positioning spline,
The positioning key coordinated with the positioning spline is provided with the outer wall of the bushing；The guide pin bushing inwall is provided with annular groove,
Snap ring is installed, the snap ring protrudes the annular groove in the annular groove；The snap ring and positioning spline limit the bushing
Do the axial movement of relative guide pin bushing.
5. keyway guide column sleeve according to claim 1, it is characterised in that be provided with the guide pin bushing and axial run through institute
State the alignment hole of guide pin bushing.
6. keyway guide column sleeve according to claim 5, it is characterised in that be separately installed with laser school at the guide pillar two ends
Straight hair emitter and laser aligning receiver.
7. keyway guide column sleeve according to claim 5, it is characterised in that the guide pin bushing is made up of bearing steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448816.1U CN206326025U (en) | 2016-12-27 | 2016-12-27 | A kind of keyway guide column sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448816.1U CN206326025U (en) | 2016-12-27 | 2016-12-27 | A kind of keyway guide column sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206326025U true CN206326025U (en) | 2017-07-14 |
Family
ID=59292598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621448816.1U Expired - Fee Related CN206326025U (en) | 2016-12-27 | 2016-12-27 | A kind of keyway guide column sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206326025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442669A (en) * | 2017-09-12 | 2017-12-08 | 芜湖博康新材料技术有限公司 | A kind of diel guide-localization mechanism |
-
2016
- 2016-12-27 CN CN201621448816.1U patent/CN206326025U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442669A (en) * | 2017-09-12 | 2017-12-08 | 芜湖博康新材料技术有限公司 | A kind of diel guide-localization mechanism |
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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: 20170714 Termination date: 20211227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |