CN105431646B - Flanged pin linear motion bearing - Google Patents
Flanged pin linear motion bearing Download PDFInfo
- Publication number
- CN105431646B CN105431646B CN201480044693.2A CN201480044693A CN105431646B CN 105431646 B CN105431646 B CN 105431646B CN 201480044693 A CN201480044693 A CN 201480044693A CN 105431646 B CN105431646 B CN 105431646B
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- CN
- China
- Prior art keywords
- linear motion
- outer barrel
- flange
- motion bearing
- flanged pin
- Prior art date
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- 238000005096 rolling process Methods 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 37
- 229920005989 resin Polymers 0.000 claims abstract description 36
- 239000011347 resin Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000007769 metal material Substances 0.000 claims abstract description 13
- 238000007711 solidification Methods 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 3
- 239000007924 injection Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000005755 formation reaction Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000007788 roughening Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 abstract description 4
- 230000002093 peripheral Effects 0.000 abstract description 4
- 230000003014 reinforcing Effects 0.000 description 6
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229920000069 poly(p-phenylene sulfide) Polymers 0.000 description 4
- 229920002530 poly[4-(4-benzoylphenoxy)phenol] polymer Polymers 0.000 description 4
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 241000222712 Kinetoplastida Species 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 229920002866 paraformaldehyde Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000011528 polyamide (building material) Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Abstract
The present invention provides a kind of flanged pin linear motion bearing being easy to make.Has flange to the peripheral cyclic of outer barrel of the flanged pin linear motion bearing in linear motion bearing, aforesaid rectilinear motion bearings include the outer barrel being made of metal material, the tubular rolling element retainer for the inside for being embedded in outer barrel and the multiple rolling elements for being held in tubular rolling element retainer, it is characterized in that, the flange is is equipped with mold, liquid resin material is injected the mold and then the liquid resin material solidification of injection is made to be formed flange around the outer barrel in linear motion bearing.
Description
Technical field
The present invention relates to a kind of around the outer barrel of linear motion bearing is configured with the flanged pin straight line of cricoid flange
Motion bearings.
Background technology
Linear motion bearing（Linear bearing）It is inserted into the axis body of the bearing for bearing and makes along with by along the axis body
The driving force axially applied and the axis body that generates are in rectilinear direction（It is i.e. axial）On the machine components that are possibly realized of smooth sliding,
Various mechanical devices are assembled to use.
Linear motion bearing is usually protected by the rolling element of the outer barrel of metal material, the tubular for the inside for being embedded in outer barrel
Holder（Spherical bearing retainer）And it is held in multiple rolling elements of tubular rolling element retainer（Spherical bearing）It constitutes.
Axis body is inserted into the inside of the tubular rolling element retainer, is partly projected to the inner circumferential side of tubular rolling element retainer
Multiple rolling element bearings.Therefore, if applying axial driving force on axis body, with the driving force, smoothly in straight line side
Upward movement becomes possible.
In order to make linear motion bearing be become easy to the assembling of various mechanical devices, it is also commonly used in linear motion axis
The flanged pin linear motion bearing of the flange of metal material is provided with around the outer barrel held.The flanged pin linear motion bearing
Usually manufactured by following methods：The outer barrel for being provided integrally with flange in advance is made, the tubular of multiple rolling elements will be remain
Rolling element retainer is embedded in the flanged pin outer barrel.In addition, when carrying out the insertion of the tubular rolling element retainer, using will be advance
The method that the tubular rolling element retainer of multiple rolling elements is embedded in flanged pin outer barrel is maintained, or first protects tubular rolling element
The method that holder is partially embedded into flanged pin outer barrel and then rolling element is embedded in the tubular rolling element retainer.
The flanged pin linear motion bearing generally utilized in the past is as described above, using advance integrally formed metal material
The flanged pin outer barrel of system.But the integrally formed method cost of flanged pin outer barrel metal material is higher, therefore as industry
Preparation method can not be said to be advantageous.Particularly, there are following problems：A large amount of outer barrels are being manufactured as same shape and the shape of flange or attached
If in the case of the different flanged pin outer barrel in position, needing the mold of corresponding each flange shape or installation position.
In patent document 1, it records in flanged pin linear ball bearing（That is flanged pin linear motion bearing）Manufacture
In utilizable following methods invention：Prepare outer barrel, with outer barrel in addition independently made of resin material system flange, will
The resin material system flange is fixed on around outer barrel, to obtain flanged pin linear ball bearing.Moreover, recorded in the document
In invention, there is the record of following methods：Pawl for engaging with outer barrel is formed on resin material system flange, using the pawl will before
It states resin material system flange and is fixed on the outer barrel for being provided with pawl insertion hole.In addition, in the publication, seperated it is made by advance
Flange when being fixed on outer barrel, technology as a comparison records together with attached drawing using screwing in or the fixing means of soldering being said
It is bright.
Patent document 1：Japanese Unexamined Patent Publication 9-291936 bulletins.
Flanged pin linear motion bearing described in Patent Document 1 can on this point have using following methods to manufacture
：Resin material system flange insertion outer barrel made of advance seperated ground is made into flanged pin outer barrel.But it is convex in order to realize
Practical fixation of the edge to outer barrel needs to form pawl and pawl on flange and outer barrel in advance and is inserted into hole, therefore, as flanged pin outside
The industrial making method of cylinder, it cannot be said that be centainly advantageous method.
Invention content
The flanged pin outer barrel advantageously made with capable of industrializing therefore, the purpose of the present invention is to provide a kind of use it is straight
Line motion bearings.
The present invention provides a kind of flanged pin linear motion bearing, and the flanged pin linear motion bearing is in linear motion bearing
Has to the peripheral cyclic of outer barrel flange, aforesaid rectilinear motion bearings include the outer barrel being made of metal material, are embedded in outside
The tubular rolling element retainer of the inside of cylinder and the multiple rolling elements for being held in tubular rolling element retainer, which is characterized in that
The flange is by being equipped with mold around the outer barrel of linear motion bearing, liquid resin material being injected to the mold, so
The flange for making the liquid resin material solidification of injection afterwards and being formed.
Preferably, the surface region of the formation flange of the outer barrel of flanged pin linear motion bearing of the invention is by rough surface
Change is handled, or is applied with cementitious material in the surface region.
Furthermore it is preferred that surface region shape of the flanged pin linear motion bearing of the present invention in the formation flange of its outer barrel
At the slot for having one or more quantity extended in a circumferential direction.
In addition, the present invention also provides a kind of manufacturing methods of flanged pin linear motion bearing comprising：In linear motion axis
The process of mold is configured around the outer barrel being made of metal material held, liquid resin material is injected to the work of the mold
Sequence forms the work of resin material system flange by making to be injected the liquid resin material solidification of mold around the outer barrel
Sequence and the tubular rolling element retainer for keeping multiple rolling elements is embedded in the outer barrel for being formed with flange inside process, lead to
It crosses and utilizes this method, the flanged pin linear motion bearing of the aforementioned present invention is manufactured in easy method with capable of industrializing.Here,
" process that the tubular rolling element retainer for keeping multiple rolling elements is embedded in the inside for the outer barrel for foring flange " can be
Either one or two of following processes：The tubular rolling element retainer for maintaining multiple rolling elements in advance is embedded in and forms the outer of flange
Cylinder process or tubular rolling element retainer is first partially embedded into flanged pin outer barrel and then rolling element is embedded in the cylinder
The process of shape rolling element retainer.
The flanged pin linear motion bearing of the present invention is to apply mobility by the surface of the outer barrel in linear motion bearing
Resin material simultaneously makes it cure and manufactured flanged pin linear motion bearing, therefore the inner peripheral surface on the surface and flange of outer barrel is tight
Patch property is high, even if being inserted into other fixed mechanisms such as hole without using pawl and pawl（Engaging mechanism）, the bond strength of outer barrel and flange
For it is common using purpose in not will produce the sufficient level of special problem.In addition, particularly, if the formation of outer barrel is convex
The surface region of edge is surface roughened processing, or is applied with cementitious material in the surface region, then bond strength is got higher.
In addition, the surface region in the formation flange of outer barrel is formed with the quantity of one or more extended in a circumferential direction
In the case of slot, the bond strength further increased can be expected.
Description of the drawings
Fig. 1 shows stereogram, upward view and the side views of the configuration example of the flanged pin linear motion bearing of the present invention.
Fig. 2 indicates the sectional view of flanged pin linear motion bearing shown in FIG. 1.
Fig. 3 indicates stereogram, upward view and the side view of the other structures example of the flanged pin linear motion bearing of the present invention
Figure.
Fig. 4 indicates stereogram, upward view and the side view of the other structures example of the flanged pin linear motion bearing of the present invention
Figure.
Specific implementation mode
First, the representative embodiment of the flanged pin linear motion bearing of the present invention is illustrated with reference to attached drawing.
In fig. 1 it is shown that the stereogram of the configuration example of the flanged pin linear motion bearing 10 of the present invention（a）, upward view
（b）And side view（c）.In flanged pin linear motion bearing 10 shown in Fig. 1, the end in the side of linear motion bearing 11
Band reinforcing rib flange 12 is formed in portion.Linear motion bearing 11 can use the straight of the general structure with linear motion bearing
Line motion bearings, that is, including outer barrel, the inside for being embedded in outer barrel tubular rolling element retainer and be held in tubular rolling
Multiple rolling elements of kinetoplast retainer.As linear motion bearing, it is known to the linear motion bearing of Infinite Cyclic type and non-nothing
The linear motion bearing for limiting circular form, can using any one.In addition, being formed as close to linear motion bearing in flange
In the case of the end face of the side of outer barrel, as shown in Figure 1, it is desirable to which outer barrel end face and the end face of flange are in the same plane.In addition,
It also wants to outer barrel end face to protrude than flange end face, that is, flange does not connect with outer barrel end face, but slightly by the center side of nearly outer barrel comes
It is formed.By such structure, there is the installation of various mechanical devices and linear motion bearing（Assembling）Contraposition become easy
Advantage.
In the linear motion bearing of Infinite Cyclic type, rolling element circulating slot is formed on tubular rolling element retainer,
Multiple rolling elements are stored in the rolling element circulating slot.The loopy moving of multiple rolling elements of bearing axis body becomes possible as a result,.Cause
This, to the displacement distance of the axis body of bearing there is no limit.
In the linear motion bearing of non-infinite circular form, being formed on the wall body of tubular rolling element retainer respectively will rolling
Multiple through-holes that kinetoplast rotatably can be stored and be kept store rolling element in each through-hole respectively.Bearing axis body is multiple as a result,
Rolling element just can in the axial direction move together with tubular rolling element retainer.The displacement distance of axis body is normally constrained in axis
Tubular rolling element retainer is not from the open-ended distance outstanding of outer barrel when body moves.
The example of axis body as linear motion bearing bearing, for example there are sections for circular axis body or on circumferential surface
Has the axis body of a plurality of straight-line groove of compartment of terrain configuration circumferentially spaced from one another（It is referred to as splined shaft）.As axis body,
Hollow axis body can be used.
Outer barrel is for example by with steel（Such as stainless steel）It is formed for the metal material of representative.In addition, for example, in flanged pin straight line
Motion bearings in water or in the environment of high temperature by use in the case of, can also outer barrel be formed by ceramic material.
Tubular rolling element retainer is for example formed by metal material or resin material.As the example of resin material, citing
There are polyacetal resin, polyphenylene sulfide（PPS）Resin, polyamide and polyether-ether-ketone（PEEK）Resin.
Tubular rolling element retainer for example can be by various forming processes（Such as injection molding method, compression forming method or
Note type method etc.）Resin material above-mentioned is shaped to make.
Rolling element is for example by with steel（Such as stainless steel）It is formed for the metal material of representative.In addition, for example, straight in flanged pin
Line motion bearings in water or in the environment of high temperature by use in the case of, can also rolling element be formed by ceramic material.
As the example of rolling element, for example there are spheres（Ball）And roller（It is circular cylinder perpendicular to the section of central shaft
Body）.
On linear motion bearing, for example, tubular rolling element retainer is deviate from from outer barrel in order to prevent（It falls off）, can also
Has snap ring（Retaining ring）.In addition, as preventing tubular rolling element retainer from deviating from from outer barrel（It falls off）Method, instead of above-mentioned
The method for configuring snap ring, can use other methods.
Band reinforcing rib flange can be formed by well known resin material.As resin material, it is preferred to use thermoplastic resin
Fat material or various hardening resin materials, particularly preferably use thermoplastic resin material.
As the example of thermoplastic resin, for example there are polyacetal resin, polyphenylene sulfides（PPS）Resin, polyamide and
Polyether-ether-ketone（PEEK）Resin.
The flanged pin linear motion bearing of the present invention shown in FIG. 1 can for example be made using including the method for following processes
It makes：The process of mold is configured around the outer barrel of linear motion bearing being made of metal material, by liquid resin material
It injects the process of the mold, form resin around the outer barrel by making to be injected the liquid resin material solidification of mold
The process of material flange and the tubular rolling element retainer for keeping multiple rolling elements is embedded in the outer barrel for being formed with flange
Internal process.Here, " the tubular rolling element retainer for keeping multiple rolling elements is embedded in the outer barrel for being formed with flange
The process in portion " can be either one or two of following processes：The tubular rolling element retainer insertion of multiple rolling elements will be maintained in advance
To the outer barrel for foring flange process or first by tubular rolling element retainer be partially embedded into flanged pin outer barrel then will
The process that rolling element is embedded in the tubular rolling element retainer.In addition, as liquid resin material used herein, generally
Use the thermosetting resin raw material that its own is liquid（Monomer composition）, thermoplastic resin material in molten condition.
The sectional view of the flanged pin linear motion bearing 10 of Fig. 1 is shown in FIG. 2.The flanged pin of Fig. 2 moves along a straight line
The linear motion bearing 11 of bearing 10 include outer barrel 13, be embedded in outer barrel inside tubular rolling element retainer 14 and by
Multiple rolling elements 15 of tubular rolling element retainer are held in, and then are had for preventing tubular rolling element retainer 14 from outer barrel
13 abjections（It falls off）Snap ring（Retaining ring）16.In addition, the surface of the outer barrel 13 in linear motion bearing 11（Peripheral surface）Set
It is equipped in the region 17 of flange, is formed with multiple slots extended in a circumferential direction.The slot is in situ around the region（in
situ）The fixation of the high bond strength of the resin material system flange 12 of setting is effective.In addition it is also possible to be somebody's turn to do in setting
The region of flange implements surface roughening treatment instead of slot, or can also be, in the region with the methods of coat apply it is viscous
Connecing property material.Installation when being provided on flange 12 for flanged pin linear motion bearing to be assembled to various mechanical devices
Mounting hole（Through-hole）18.
Fig. 3 is the deformation of the linear motion bearing shown in FIG. 1 for being provided with the flange with reinforcing rib, in addition to moving along a straight line
On the outer barrel of bearing as flange be provided with without reinforcing rib flange this point other than, construction having the same.Fig. 3's（a）、
（b）、（c）It is same as in figure 1, indicate the stereogram of the configuration example of flanged pin linear motion bearing 10（a）, upward view（b）And side view
Figure（c）.
Fig. 4 is the deformation of the linear motion bearing shown in FIG. 1 for being provided with the flange with reinforcing rib, indicates that band reinforcing rib is convex
The installation position of edge is located at the flanged pin linear motion bearing of the type of the central portion of outer barrel.Fig. 4's（a）、（b）、（c）Also with figure
As 1, the stereogram of the configuration example of flanged pin linear motion bearing 10 is indicated（a）, upward view（b）And side view（c）.
Reference sign
10 flanged pin linear motion bearings；11 linear motion bearings；12 flanges；13 outer barrels；14 tubular rolling element retainers；
15 rolling elements（Ball）；16 snap rings；17 flange forming regions；18 mounting holes.
Claims (4)
1. a kind of flanged pin linear motion bearing has cricoid flange around the outer barrel of linear motion bearing, aforementioned straight
Line motion bearings include the outer barrel being made of metal material, the tubular rolling element retainer for the inside for being embedded in outer barrel and by
It is held in multiple rolling elements of tubular rolling element retainer, which is characterized in that
In the surface region of the outfit flange of the outer barrel of the linear motion bearing, any one of following processing is implemented：Shape
At the slot of one or more quantity extended in a circumferential direction, surface roughening treatment, apply cementitious material,
The flange is the flange formed in the following manner：It is equipped with mold around the outer barrel of linear motion bearing, will be flowed
Property resin material injects the mold, then makes the liquid resin material solidification of injection and forms flange.
2. flanged pin linear motion bearing as described in claim 1, which is characterized in that in the formation flange of linear motion bearing
The processing implemented of surface region be formed in the slots of the more than two quantity extended on circumferencial direction.
3. a kind of manufacturing method of flanged pin linear bearing, which is characterized in that
Including following process：
The process that mold is configured around the outer barrel of linear motion bearing being made of metal material, wherein the outer barrel of preparation
Any one of following processing is implemented in the surface region for forming flange：Form one or two extended in a circumferential direction
The slot of a above quantity, applies cementitious material at surface roughening treatment；
Liquid resin material is injected to the process of the mold；
Resin material system flange is formed around the outer barrel by making to be injected the liquid resin material solidification of mold
Process；And
The process that the tubular rolling element retainer for keeping multiple rolling elements is embedded in the inside for the outer barrel for foring flange.
4. the manufacturing method of flanged pin linear motion bearing as claimed in claim 3, which is characterized in that in linear motion axis
The processing that the surface region of the formation flange held is implemented is formed in the slot of the more than two quantity extended on circumferencial direction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013165371 | 2013-08-08 | ||
| JP2013-165371 | 2013-08-08 | ||
| PCT/JP2014/071021 WO2015020198A1 (en) | 2013-08-08 | 2014-08-08 | Linear-motion bearing with flange attached |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105431646A CN105431646A (en) | 2016-03-23 |
| CN105431646B true CN105431646B (en) | 2018-08-31 |
Family
ID=
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2650932Y (en) * | 2003-09-28 | 2004-10-27 | 银泰科技股份有限公司 | Internal circulating ball screw |
| CN1807933A (en) * | 2005-01-19 | 2006-07-26 | 李茂碷 | High speed muting structure for ball screw |
| CN101806348A (en) * | 2009-02-13 | 2010-08-18 | 株式会社捷太格特 | Ball-screw apparatus and electrically powered steering apparatus using same |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2650932Y (en) * | 2003-09-28 | 2004-10-27 | 银泰科技股份有限公司 | Internal circulating ball screw |
| CN1807933A (en) * | 2005-01-19 | 2006-07-26 | 李茂碷 | High speed muting structure for ball screw |
| CN101806348A (en) * | 2009-02-13 | 2010-08-18 | 株式会社捷太格特 | Ball-screw apparatus and electrically powered steering apparatus using same |
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| PB01 | Publication | ||
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