CN110081079A - Straight-line guide rail slide block and linear motion guidance device with it - Google Patents
Straight-line guide rail slide block and linear motion guidance device with it Download PDFInfo
- Publication number
- CN110081079A CN110081079A CN201910280722.XA CN201910280722A CN110081079A CN 110081079 A CN110081079 A CN 110081079A CN 201910280722 A CN201910280722 A CN 201910280722A CN 110081079 A CN110081079 A CN 110081079A
- Authority
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- China
- Prior art keywords
- ball
- straight
- guide rail
- slide block
- rail slide
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
- F16C29/0609—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the ends of the bearing body or carriage where the rolling elements change direction, e.g. end caps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
- F16C29/0611—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the return passages, i.e. the passages where the rolling elements do not carry load
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
- F16C29/0669—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the main body of the U-shaped carriage is an assembly of at least three major parts, e.g. an assembly of a top plate with two separate legs attached thereto in the form of bearing shoes
- F16C29/0671—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the main body of the U-shaped carriage is an assembly of at least three major parts, e.g. an assembly of a top plate with two separate legs attached thereto in the form of bearing shoes with balls
Abstract
The present invention relates to a kind of straight-line guide rail slide block and with its linear motion guidance device.Straight-line guide rail slide block includes: slider body, slider body has the medial surface towards linear guide and the lateral surface away from linear guide, the first ball orbit slot is formed on medial surface, first ball orbit slot can cooperate with the second ball orbit slot being arranged in linear guide to form ball load channel, third ball orbit slot is formed on outer side, it is equipped with first for preventing ball from falling from third ball orbit slot on outer side and blocks component, third ball orbit slot and first block component and cooperatively form ball backward channel；Outer circulation device, outer circulation device is two and is mounted on the both ends of slider body, is equipped with ball transition passage in outer circulation device, ball load channel is connected with ball backward channel by ball transition passage, to form ball circulation passages；Ball, ball are multiple and are arranged in ball circulation passages.
Description
Technical field
The invention belongs to moving guide rail technical fields, and in particular to a kind of straight-line guide rail slide block and the linear motion with it
Guide device.
Background technique
Linear motion guidance device is commonly used in industrial automation, its effect is guidance object along preset
Straight path is moved.The sliding block that linear motion guidance device generally includes linear guide and is mounted in linear guide.Quilt
The object of guidance is connect with sliding block, to move along a straight line under the guidance of sliding block along guide rail.
Existing sliding block generally includes slider body and the outer circulation device positioned at the both ends of slider body, in slider body face
It is equipped with the first ball orbit slot rolled for ball to the side of linear guide, correspondingly, is equipped in linear guide along length
The second ball orbit slot compatible with ball that direction extends, the first ball orbit slot and the second ball orbit slot cooperatively form
Ball load channel.In addition, on slider body be equipped with through its rear and front end ball backward channel, ball load channel and
Ball backward channel is by the ball transition passage connection on setting outer circulation device, to form ball circulation passages.In ball
The multiple close arrangements of setting and the identical ball of size in circulation canal.Slider body passes through the rolling in ball load channel
Pearl contacts with linear guide, and ball moves ahead as the movement of sliding block rolls in ball circulation passages.
For the sliding block of above structure, ball backward channel is formed generally by the mode of hole machined, due to by work
Skill limitation, it is difficult to the ball channel for penetrating through to the other end and meeting required precision is directly processed in one end of slider body, because
This usually distinguishes deep hole processing at the both ends of slider body, and the deep hole connection to both ends forms ball backward channel.However, this
There is also certain drawbacks for kind processing method, such as are difficult to ensure the concentricity of the deep hole at both ends, will when concentricity is bad
Ball moving is set to be obstructed, to generate substandard products.
Summary of the invention
The purpose of the present invention is at least solving one of above-mentioned problems of the prior art, a kind of straight line is proposed thus
The ball circulation passages of guide rail slide block, the straight-line guide rail slide block are easy to process and can guarantee higher machining accuracy.
The invention also provides a kind of linear motion guidance devices with above-mentioned straight-line guide rail slide block.
Straight-line guide rail slide block according to an embodiment of the present invention, comprising: slider body, the slider body have towards straight line
The medial surface of guide rail and lateral surface away from the linear guide, are formed with the first ball orbit slot, institute on the medial surface
Stating the first ball orbit slot can cooperate with the second ball orbit slot being arranged in the linear guide to form ball load
Channel is formed with third ball orbit slot on the lateral surface, is equipped on the lateral surface for preventing ball from described
First fallen in third ball orbit slot blocks component, and the third ball orbit slot and described first block component cooperation shape
At ball backward channel；Outer circulation device, the outer circulation device is two and is mounted on the both ends of the slider body, described to follow outside
Ball transition passage is equipped in ring device, the ball load channel and the ball backward channel pass through the ball transition passage
Connection, to form ball circulation passages；Ball, the ball are multiple and are arranged in the ball circulation passages.
Straight-line guide rail slide block according to an embodiment of the present invention, by the third ball rail being provided on the lateral surface of slider body
Road slot forms ball backward channel, relative to the mode of deep hole machining, is recessed at and is easier to realize in technique, be also easier to guarantee
Precision, so original structure in the form of deep hole is replaced by third ball orbit slot on the lateral surface for being provided with slider body
At ball backward channel, it is upper more convenient in processing, also more can guarantee machining accuracy, thus avoid because process it is bad due to generate
Substandard products.In addition, original slide block structure opens up deep hole on slider body, the intensity of slider body itself can be caused more tight
The destruction of weight, the embodiment of the present invention replace original deep hole to slot on the lateral surface of slider body, can also obviously mention
The intensity of high slider body.
In addition, straight-line guide rail slide block according to an embodiment of the present invention, can also have following additional technical characteristic:
In some embodiments of the invention, the first ball orbit slot is four and is oppositely arranged at two-by-two described
On the medial surface of slider body, the third ball orbit slot is four, described in each third ball orbit slot and one
First ball orbit slot is corresponding.
In some embodiments of the invention, described first component is blocked as baffle, be formed with the 4th on the baffle
Ball orbit slot, the 4th ball orbit slot and the third ball orbit slot cooperate to form ball backward channel.
In some embodiments of the invention, the top surface of the slider body be equipped with for be guided what object was connect
Mounting hole.
It in some embodiments of the invention, further include the ball distance ring of chain-type, the ball distance ring head and the tail phase
Ground connection is arranged in the ball circulation passages, and the holding unit being separated from each other is formed on the ball distance ring, described
Ball is arranged in correspondingly in the holding unit, and the ball being capable of part protrusion and difference from the holding unit
It leans with the first ball orbit slot and the second ball orbit slot.
In some embodiments of the invention, the ball distance ring includes: the first holding member, and described first keeps structure
Part is multiple and is alternatively arranged that first holding member of adjacent two can limit a ball from both ends；It is soft
Property connector, pass through two flexible connection bodies connections per two adjacent the first holding members；Second holding member,
Second holding member is respectively provided in the middle part of each described flexible connection body, two positioned opposite second keep structure
Part can limit one ball from other both ends.
In some embodiments of the invention, first holding member is maintainance block, is formed on the maintainance block
The arc groove to fit with the outer surface of the ball, the arc groove on two adjacent maintainance blocks are in opposite cloth
It sets, is limited with the opposite both ends to the ball.
In some embodiments of the invention, the flexible connection body is connecting band.
In some embodiments of the invention, second holding member is retaining ring flexible.
Linear motion guidance device according to an embodiment of the present invention, including linear guide and be mounted in the linear guide
Straight-line guide rail slide block, the straight-line guide rail slide block be any of the above-described embodiment straight-line guide rail slide block.
Linear motion guidance device according to an embodiment of the present invention, straight-line guide rail slide block therein is to be provided with slider body
Lateral surface on third ball orbit slot formed ball backward channel, to substitute original ball constituted in the form of deep hole
Backward channel, in processing more aspect, also more can guarantee machining accuracy, thus avoid because process it is bad due to generate substandard products, separately
Outside, the slider body in the straight-line guide rail slide block also has better structural strength.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the linear motion guidance device of the embodiment of the present invention；
Fig. 2 is that the structural schematic diagram of the straight-line guide rail slide block of the embodiment of the present invention (is omitted first and blocks component and second
Block component)；
Fig. 3 is that the structural schematic diagram of the slider body of the embodiment of the present invention (is equipped with first and blocks component and second and block
Component)；
Fig. 4 is the schematic side view of the slider body of the embodiment of the present invention；
Fig. 5 is the ball of the embodiment of the present invention and the structural schematic diagram of ball distance ring；
Fig. 6 is the ball of the embodiment of the present invention and the schematic front view of ball distance ring；
Fig. 7 is the ball of the embodiment of the present invention and the schematic top plan view of ball distance ring.
Respectively label is expressed as follows in attached drawing:
100: straight-line guide rail slide block；
10: slider body, 101: the first ball orbit slots, 103: third ball orbit slot, 105: mounting hole, 110: the second
Block component；
20: outer circulation device；
30: ball；
40: ball distance ring, 401: the first holding members, 402: flexible connection body, 403: the second holding members；
Block component, 501: the four ball orbit slots at 50: the first；
200: linear guide, 201: the second ball orbit slots.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention into
Row limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described "
Can also indicate to include plural form.The terms "include", "comprise", " containing " and " having " are inclusives, and therefore
It indicates the presence of stated feature, step, operations, elements, and/or components, but presence or addition one or more is not precluded
A other feature, step, operation, component, assembly unit, and/or their combination.Method and step, process, the Yi Jicao of described in the text
It is not interpreted as that them is necessarily required to execute with described or explanation particular order, executes sequence unless explicitly stated otherwise.Also answer
The step of working as understanding, can be used additionally or alternatively.
Although can be described in the text using term first, second, third, etc. multiple element, component, region, layer and/
Or section, still, these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be only
For a component, assembly unit, region, layer or section are distinguished with another region, layer or section.Unless context clearly refers to
Out, do not implied that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text sequence or
Person's order.Therefore, first element discussed below, component, region, layer or section are in the introduction for not departing from example embodiment
In the case of can be referred to as second element, component, region, layer or section.
For ease of description, an element as illustrated in the diagram can be described use space relativeness term in the text
Either feature is relative to another element or the relationship of feature, these relativeness terms are, for example, " inside ", " outside ", " interior
Side ", " outside ", " following ", " lower section ", " above ", " top " etc..This spatial correlation term is intended to include removing to retouch in figure
The different direction of device in use or operation except the orientation drawn.For example, being retouched if the device in figure is overturn
State for " below other elements or feature " either the element " below other elements or feature " will then be orientated "
Above other elements or feature " either " above other elements or feature ".Therefore, exemplary term " in ... lower section " can
To include in orientation upper and under.In addition device can be oriented and (be rotated by 90 ° or in other directions) and used herein
Spatial correlation descriptor correspondingly explains.
As shown in Figures 1 to 4, straight-line guide rail slide block 100 according to an embodiment of the present invention, including slider body 10, follow outside
Ring device 20 and ball 30.Wherein, slider body 10 is with the medial surface towards linear guide 200 and away from linear guide 200
Lateral surface, is formed with the first ball orbit slot 101 on the medial surface, and the first ball orbit slot 101 can be with setting straight
The second ball orbit slot 201 on line guide rail 200 cooperates to form ball load channel, and the is formed on the lateral surface
Three ball orbit slots 103 are equipped with first for preventing that ball from falling from third ball orbit slot 103 on the lateral surface
Component 50 is blocked, third ball orbit slot 103 and first block component 50 and cooperatively form ball backward channel.Outer circulation device 20
For two and the both ends of slider body 10 are mounted on, are equipped with ball transition passage, ball load channel and rolling in outer circulation device 20
Pearl backward channel is connected by ball transition passage, to form ball circulation passages.Ball 30 is multiple and is arranged in ball
In circulation canal.
The straight-line guide rail slide block 100 of the embodiment of the present invention, the third ball on lateral surface by being provided with slider body 10
Track groove 103 forms ball backward channel, relative to the mode of deep hole machining, is recessed at and is easier to realize in technique, be also easier to
In guarantee precision, so with the third ball orbit slot 103 being provided on the lateral surface of slider body 10 replace it is original with
The ball backward channel that the form of deep hole is constituted, it is upper more convenient in processing, it also more can guarantee machining accuracy, to avoid because adding
Work is bad and generates substandard products.In addition, original slide block structure opens up deep hole on slider body 10, it can be to slider body 10 itself
Intensity cause more serious destruction, the embodiment of the present invention is original to replace to slot on the lateral surface of slider body 10
Deep hole can also significantly improve the intensity of slider body 10.
In some embodiments of the invention, the first ball orbit slot 101 is four and is oppositely arranged at sliding block two-by-two
On the medial surface of main body 10, correspondingly, third ball orbit slot 103 is four, each third ball orbit slot 103 and one article the
One ball orbit slot 101 is corresponding, so that the ball circulation passages being eventually formed on slider body 10 are four.When first
Ball orbit slot 101 be four when and it is positioned opposite two-by-two when, slider body 10 can tively firm with linear guide phase
Cooperation, and it is possible to keep the left and right Mass Distribution for linear guide of slider body 10 uniform, to avoid because of quality
It is unevenly distributed and causes the unbalance stress of slider body 10, to extend straight-line guide rail slide block 100 and linear motion guidance device
Service life.
In some embodiments of the invention, first component 50 is blocked as baffle, the 4th ball rail is formed on baffle
Road slot 501, the 4th ball orbit slot 501 cooperate with third ball orbit slot 103 to form ball backward channel, the 4th ball rail
Road slot 501 can play position-limiting action to ball 30, to be conducive to the construction of ball backward channel.
In some embodiments of the invention, it is equipped in the inside of slider body 10 for preventing ball from the first ball rail
Second fallen in road slot 101 blocks component 110, even if second block the setting of component 110 so that straight-line guide rail slide block 100 with
Linear guide 200 is detached from, and ball 30 will not be fallen down.
Further, it second blocks component 110 and can be baffle or baffle.In some embodiments of the invention, in cunning
The top surface of block main body 10 be equipped with for the mounting hole 105 that is guided object and connect, specifically, being guided object can be by tight
Firmware (such as bolt) is connect with mounting hole 105, and installation and disassembly are more convenient.
In some embodiments of the invention, as shown in Fig. 1, Fig. 5 to Fig. 7, straight-line guide rail slide block 100 further includes chain
The ball distance ring 40 of formula, ball distance ring 40 are arranged in ball circulation passages end to end, shape on ball distance ring 40
At there is the holding unit being separated from each other, ball 30 is arranged in holding unit correspondingly, and ball 30 can be partially from guarantor
It holds and protrudes in unit and lean respectively with the first ball orbit slot 101 and the second ball orbit slot, ball distance ring 40 is set
Ball 30 can be spaced from each other by setting, to avoid mutually collision and friction during scrolling between ball 30, so as to subtract
Noise is run less, the speed of service is improved and increases the service life of ball 30, in addition, ball distance ring 40 can be by dispersion
Ball 30 is arranged in an entirety, it is also possible that the operation of ball 30 is without fluctuation, to improve the smooth degree of operation.
In some embodiments of the invention, ball distance ring 40 includes: the first holding member 401, flexible connection body 402
With the second holding member 403, wherein the first holding member 401 is multiple and is alternatively arranged, two adjacent the first holding members
401 can limit a ball 30 from both ends, be connected by two flexibilities per two adjacent the first holding members 401
Junctor 402 connects, and is respectively provided with second holding member 403, two opposite cloth at the middle part of each flexible connection body 402
The second holding member 403 set can limit a ball 30 from other both ends.The ball distance ring 40 can be from four
A position limits ball 30, has biggish contact area with ball 30, therefore can be better maintained ball 30,
In addition, the ball distance ring 40 compared to traditional retainer increases two restraining positions, (traditional retainer is only in ball
Both ends limited), therefore can suitably reduce the size of the first holding member 401 positioned at both ends, be protected to avoid first
Component 401 is held to be in contact in 30 operational process of ball with the side wall of ball circulation passages and generate friction (traditional holding
Device is relatively large sized, and Chang Huiyu ball circulation passages rub).
Further, the first holding member 401 is maintainance block, is formed on maintainance block and is affixed with the outer surface of ball 30
The arc groove of conjunction, arc groove on two adjacent maintainance blocks are limited with the opposite both ends to ball 30 in positioned opposite
Position.
Further, flexible connection body 402 is connecting band, specifically can be, for example, nylon tape.
Further, the second holding member 403 is retaining ring flexible, can preferably be bonded with ball 30, also have
There is relatively large contact area.
In some embodiments of the invention, ball distance ring 40 uses nylon material, and nylon has good summation
Can, be embodied in the following aspects: (1) intensity and toughness with higher make ball distance ring 40 in the rolling kept
It will not be broken and follow the string in the case where 30 rotation of pearl and revolution；(2) there is good heat resistance, protect ball
Holder 40 will not follow the string in the case where being in hot environment brought by 30 high-speed motion of ball and toughness, is able to maintain original
Mechanical property；(3) there is good wear resistance, generate ball distance ring 40 will not in 30 high speed rotation of ball very big
Abrasion；(4) there is good chemical resistance, allow ball distance ring 40 that straight-line guide rail slide block 100 is followed to apply
Under the adverse circumstances such as chemical plant, pharmaceutical factory (straight-line guide rail slide block 100 work under above-mentioned environment need to have special coating to prevent
Only corrode)；(5) there is good self-lubrication, and coefficient of friction is low, the main function of ball distance ring 40 is by ball 30
It equably wrapping up inside it, provides holding and lubricating function for it, nylon material has very strong oil resistant and oil storage capacity, in
A large amount of greases can be adsorbed in portion's hole flushing, and adequately lubrication can be provided for a long time for ball 30；(6) easy to process and plastic
Property it is strong, be adapted to ball distance ring 40 complicated shape and structure, and can adapt to special processing method, be not susceptible to shape
Become, consequently facilitating the installation of later period ball 30.
Linear motion guidance device according to an embodiment of the present invention including linear guide and is mounted on straight in linear guide
Line guide rail slide block 100, straight-line guide rail slide block 100 are the straight-line guide rail slide block 100 in any of the above-described embodiment.
Linear motion guidance device according to an embodiment of the present invention, straight-line guide rail slide block 100 therein is to be provided with sliding block
Third ball orbit slot 103 on the lateral surface of main body 10 forms ball backward channel, to substitute original in the form of deep hole
The ball backward channel of composition, in processing more aspect, also more can guarantee machining accuracy, thus avoid because process it is bad due to produce
Raw substandard products, in addition, the slider body 10 in the straight-line guide rail slide block 100 also has better structural strength.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (10)
1. a kind of straight-line guide rail slide block characterized by comprising
Slider body, the slider body have the medial surface towards linear guide and the lateral surface away from the linear guide,
The first ball orbit slot is formed on the medial surface, the first ball orbit slot can be with setting in the linear guide
On the second ball orbit slot cooperate to form ball load channel, third ball orbit slot is formed on the lateral surface,
It is equipped with first for preventing that ball from falling from the third ball orbit slot on the lateral surface and blocks component, described the
Three ball orbit slots and described first block component and cooperatively form ball backward channel；
Outer circulation device, the outer circulation device is two and is mounted on the both ends of the slider body, is equipped in the outer circulation device
Ball transition passage, the ball load channel and the ball backward channel are connected by the ball transition passage, thus
Form ball circulation passages；
Ball, the ball are multiple and are arranged in the ball circulation passages.
2. straight-line guide rail slide block according to claim 1, which is characterized in that the first ball orbit slot is four and two
Two are oppositely arranged on the medial surface of the slider body, and the third ball orbit slot is four, each third rolling
Pearl track groove is corresponding with the first ball orbit slot.
3. straight-line guide rail slide block according to claim 2, which is characterized in that described first blocks component for baffle, in institute
It states and is formed with the 4th ball orbit slot on baffle, the 4th ball orbit slot cooperates with the third ball orbit slot to be formed
Ball backward channel.
4. straight-line guide rail slide block according to claim 1, which is characterized in that be equipped with and be used in the top surface of the slider body
With the mounting hole for being guided object and connecting.
5. straight-line guide rail slide block according to any one of claims 1 to 4, which is characterized in that further include the ball of chain-type
Retainer, the ball distance ring are arranged in end to end in the ball circulation passages, are formed on the ball distance ring
There is the holding unit being separated from each other, the ball is arranged in correspondingly in the holding unit, and the ball being capable of portion
Divide and protrudes from the holding unit and lean respectively with the first ball orbit slot and the second ball orbit slot.
6. straight-line guide rail slide block according to claim 5, which is characterized in that the ball distance ring includes:
First holding member, first holding member are multiple and are alternatively arranged, first holding member of adjacent two
One ball can be limited from both ends；
Flexible connection body passes through two flexible connection body connections per two adjacent the first holding members；
Second holding member, is respectively provided with second holding member in the middle part of each described flexible connection body, and two
Second holding member positioned opposite can limit one ball from other both ends.
7. straight-line guide rail slide block according to claim 6, which is characterized in that first holding member is maintainance block,
The arc groove to fit with the outer surface of the ball, the institute on two adjacent maintainance blocks are formed on the maintainance block
Arc groove is stated in positioned opposite, is limited with the opposite both ends to the ball.
8. straight-line guide rail slide block according to claim 6 or 7, which is characterized in that the flexible connection body is connecting band.
9. straight-line guide rail slide block according to claim 6 or 7, which is characterized in that second holding member is flexible
Retaining ring.
10. a kind of linear motion guidance device, which is characterized in that including linear guide and be mounted on straight in the linear guide
Line guide rail slide block, the straight-line guide rail slide block are the straight-line guide rail slide block according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910280722.XA CN110081079A (en) | 2019-04-09 | 2019-04-09 | Straight-line guide rail slide block and linear motion guidance device with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910280722.XA CN110081079A (en) | 2019-04-09 | 2019-04-09 | Straight-line guide rail slide block and linear motion guidance device with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081079A true CN110081079A (en) | 2019-08-02 |
Family
ID=67414700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910280722.XA Pending CN110081079A (en) | 2019-04-09 | 2019-04-09 | Straight-line guide rail slide block and linear motion guidance device with it |
Country Status (1)
| Country | Link |
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| CN (1) | CN110081079A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623158A (en) * | 2022-03-29 | 2022-06-14 | 浙江成飞自动化设备有限公司 | Linear guide rail slider |
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| CN100432493C (en) * | 2004-07-30 | 2008-11-12 | 谢夫勒两合公司 | Ball screw |
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| CN114623158A (en) * | 2022-03-29 | 2022-06-14 | 浙江成飞自动化设备有限公司 | Linear guide rail slider |
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Application publication date: 20190802 |