CN110425262A - A kind of circulator and the ball wire bar pair comprising it - Google Patents
A kind of circulator and the ball wire bar pair comprising it Download PDFInfo
- Publication number
- CN110425262A CN110425262A CN201910819667.7A CN201910819667A CN110425262A CN 110425262 A CN110425262 A CN 110425262A CN 201910819667 A CN201910819667 A CN 201910819667A CN 110425262 A CN110425262 A CN 110425262A
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- Prior art keywords
- ontology
- sections
- section
- circulator
- hole
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Links
- 239000011324 bead Substances 0.000 claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
Classifications
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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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
-
- 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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
-
- 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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses a kind of circulators, including ontology, it is provided in ontology and goes back to the hole of bead for what ball passed through, the bottom of ontology is provided with flange part, one end of flange part is provided with back first opening in the hole of bead, the side of ontology is provided with back second opening in the hole of bead, the side of ontology is additionally provided with cut-off rule, ontology is divided into the first noumenon and the second ontology along cut-off rule, and cut-off rule includes back L section where the shaft section in the hole of bead, and the N section of M section and the stepped ramp type that with M section is connected that extends downwardly perpendicular with L sections.Circulator of the invention and the ball wire bar pair comprising it, not only requirement on machining accuracy is lower, but also assembly is simple and reliable, improves the service life of structure, while reducing the difficulty of processing of nut, improves processing efficiency.
Description
Technical field
The present invention relates to technical field of mechanical transmission more particularly to a kind of circulator and include its ball wire bar pair.
Background technique
Ball wire bar pair can convert rotational motion into linear motion, and can be realized accurate feeding control, because
This is widely applied in mechanical transmission fields.The circulator of ball wire bar pair is divided into outer circulation and interior according to the difference of endless form
Circulation.
Outer circulation is that ball returns to feed screw nut by the helicla flute of nut outer surfaces or intubation after cyclic process
Between reenter circulation.The shortcomings that outer circulation ball screw assembly, is that raceway seam crossing is difficult to be made smooth, influences ball road
Stationarity, and the fabrication cycles portion on nut is needed, the difficulty of processing of nut is improved, because there is cooperation in circulation position,
Mismachining tolerance will synchronize amplification.
Interior circulation realizes ball-recirculation using circulator, and on nut, each circulation loop has circulator radially installed
The channel of a part causes screw rod entirety load-carrying reduction there are vacant, and multiple circulation loops are needed under heavily loaded occasion, are followed
There can be unloaded channel between loop back path and circulation loop, cause the length of nut to increase, the phase relation of multiple circulators
It needs to guarantee, therefore difficulty of processing is higher.
Therefore, it is necessary to research and develop, a kind of requirement on machining accuracy is lower, assembles simple and reliable circulator and ball wire bar pair.
Summary of the invention
For overcome the deficiencies in the prior art, it one of the objects of the present invention is to provide a kind of circulator, not only processes
Required precision is lower, and assembly is simple and reliable, improves the service life of structure.
The second object of the present invention is to provide a kind of ball wire bar pair comprising above-mentioned circulator, and which reduce nuts
Difficulty of processing, improve processing efficiency.
An object of the present invention adopts the following technical scheme that realization:
A kind of circulator, including ontology are provided in ontology and go back to the hole of bead for what ball passed through, and the bottom of ontology is provided with
Flange part, one end of flange part are provided with back first opening in the hole of bead, and the side of ontology is provided with back second opening in the hole of bead, this
The side of body is additionally provided with cut-off rule, and ontology is divided into the first noumenon and the second ontology along cut-off rule, and cut-off rule includes go back to the hole of bead
Shaft section where L section, and the N section of M section and the stepped ramp type that with M section is connected that extends downwardly perpendicular with L sections.
Further, include the P section parallel with M sections and connect M sections and P sections of O section for N sections.
Further, the angle between O sections and M sections is 80~100 °.Preferably, the angle between O sections and M sections be 80 °,
85 °, 90 °, 95 ° or 100 °.
Further, the linkage section of L sections, M sections, O sections formation " Qian " fonts, the first noumenon is provided with recessed at linkage section
Slot, the second ontology are provided with the boss matched with groove at linkage section.
Further, groove and boss are interference fitted.
Further, the side of the first noumenon is provided with card slot, and the side of the second ontology is provided with to be matched with card slot
Flange.
Further, the outer peripheral surface of flange is provided at least one notch, and the inner peripheral surface of card slot is provided with to match with notch
The wedge angle of conjunction.
Further, card slot and flange are interference fitted.
The second object of the present invention adopts the following technical scheme that realization:
A kind of ball wire bar pair, including screw rod, nut and ball, nut are radially arranged there are two mounting hole, pacify
Dress is provided with above-mentioned circulator in hole.
Further, circulator is fixed on nut by two screws.
Compared with prior art, the beneficial effects of the present invention are:
The hole of bead is gone back to for what ball passed through by being arranged in ontology, the bottom of ontology is arranged flange part, and the one of flange part
End is provided with back first opening in the hole of bead, and the side of ontology is provided with back second opening in the hole of bead, and the side of ontology is additionally provided with
Cut-off rule, ontology are divided into the first noumenon and the second ontology along cut-off rule, and cut-off rule includes back the L where the shaft section in the hole of bead
Section, and the technological means of the N section of M section and the stepped ramp type that with M section is connected that extends downwardly perpendicular with L sections, by circulator
It is divided into two parts processing, reduces difficulty of processing；Because when ball is by going back to the hole of bead because of centrifugal force or gravity, meeting and Hui Zhukong
Upper surface or following table face contact, the L section of cut-off rule is set to back to the shaft section in the hole of bead so that ball when passing through will not with point
It is contacted at secant, the machining accuracy at cut-off rule will not influence the operation of ball, reduce the requirement to machining accuracy；L sections and M
Section is perpendicular, i.e. L sections tangent with second opening in time hole of bead, can be to second when ball is run by first the second opening of opening
Opening causes to impact, and L sections tangent with the second opening, can effectively improve the integral strength of structure, and buffering is rushed because of ball
The damage to structure is hit, whole service life is improved；By the way that the N section of stepped ramp type is arranged, limit is played to the second ontology
Effect is assembled simple and reliable.
Radially it is arranged by nut there are two mounting hole, the technology hand of above-mentioned circulator is provided in mounting hole
Section, so that not needing fabrication cycles portion on nut, circulation portions are to go back to the hole of bead on circulator, to reduce the difficult processing of nut
Degree and mismatch error, improve processing efficiency.
Detailed description of the invention
Fig. 1 is the perspective view of the circulator of the embodiment of the present invention；
Fig. 2 is the perspective view in another direction of the circulator of the embodiment of the present invention；
Fig. 3 is the stereogram exploded view of the circulator of the embodiment of the present invention；
Fig. 4 is the main view of the circulator of the embodiment of the present invention；
Fig. 5 is the rearview of the circulator of the embodiment of the present invention；
Fig. 6 is the perspective view of the ball wire bar pair of the embodiment of the present invention；
Fig. 7 is the perspective view of the nut of the embodiment of the present invention.
In figure: 100, ontology；10, Hui Zhukong；20, flange part；30, the first opening；40, the second opening；50, cut-off rule；
51, L sections；52, M sections；53, O sections；54, P sections；60, the first noumenon；61, groove；62, card slot；621, wedge angle；70, the second ontology；
71, boss；72, flange；721, notch；200, screw rod；300, nut；310, mounting hole；400, screw.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Circulator as shown in Figs. 1-5, including ontology 100 are provided in ontology 100 and to pass through for ball (not shown)
The hole of bead 10 is gone back to, the bottom of ontology 100 is provided with flange part 20, and one end of flange part 20 is provided with back first opening in the hole of bead 10
30, the side of ontology 100 is provided with back second opening 40 in the hole of bead 10, and the side of ontology 100 is additionally provided with cut-off rule 50, ontology
100 are divided into the first noumenon 60 and the second ontology 70 along cut-off rule 50, and cut-off rule 50 includes back the L where the shaft section in the hole of bead 10
Section 51, N section (not shown) perpendicular with L section 51 and the M section 52 extended downwardly and the stepped ramp type being connected with M section 52.
By the way that circulator is divided into two parts processing, difficulty of processing is reduced, part is allowed to have certain mismachining tolerance；Cause
Because of centrifugal force or gravity when ball is by going back to the hole of bead 10, can will divide with the upper surface or following table face contact for going back to the hole of bead 10
The L section 51 of line 50 is set to back the shaft section in the hole of bead 10 so that ball when passing through will not with contacted at cut-off rule 50, cut-off rule 50
The machining accuracy at place will not influence the operation of ball, reduce the requirement to machining accuracy；L section 51 and M section 52 is perpendicular, i.e. L
Section 51 and the second opening 40 for going back to the hole of bead 10 are tangent, when ball is by 30 second 40 operation of opening of the first opening, can hold second
It causes to impact at mouth 40, and L section 51 and the second opening 40 are tangent, can effectively improve the integral strength of structure, buffering is because of rolling
Pearl impacts the damage to structure, improves whole service life；By the way that the N section of stepped ramp type is arranged, the second ontology 70 is played
The effect of limit is assembled simple and reliable.
As preferred embodiment, as shown in Figure 2 and Figure 4, N sections include the P section 54 parallel with M section 52, Yi Jilian
Connect the O section 53 of M section 52 and P section 54.P section 54 is parallel with M section 52, further improves the integral strength of structure, buffering is because of rolling
Pearl impacts the damage to structure, improves whole service life.
As preferred embodiment, the angle between O section 53 and M section 52 is 80~100 °.In the present embodiment, O section 53
Angle between M section 52 is 90 °.In other embodiments, the angle between O section 53 and M section 52 may be 80 °, 85 °,
Other numerical value such as 95 °, 100 °.
As preferred embodiment, L section 51, M section 52, O section 53 form the linkage section of " Qian " font, as shown in figure 3, the
One ontology 60 is arranged fluted 61 at linkage section, and the second ontology 70 is provided with the boss matched with groove 61 at linkage section
71.It is matched by groove 61 with boss 71, so that the first noumenon 60 is mutually clamped with the second ontology 70, the second ontology 70 is played
Position-limiting action vertically and horizontally.Preferably, groove 61 and boss 71 are interference fitted, so that the first noumenon 60 and the
Two ontologies 70 do not need other fasteners, assemble simpler.
As preferred embodiment, as shown in figure 3, the side of the first noumenon 60 is provided with card slot 62, the second ontology 70
Side be provided with the flange 72 matched with card slot 62.It is matched by card slot 62 with flange 72, to the side of the second ontology 70
Play position-limiting action in face.Preferably, card slot 62 and flange 72 are interference fitted, so that the fixation of the first noumenon 60 and the second ontology 70
It is relatively reliable, it assembles simpler.
As preferred embodiment, as shown in figure 3, the outer peripheral surface of flange 72 is provided at least one notch 721, card slot
62 inner peripheral surface is provided with the wedge angle 621 matched with notch 721.By setting notch 721 and wedge angle 621, first is increased
Limit between ontology 60 and the second ontology 70 prevents from leading to the rolling between the first noumenon 60 and the second ontology 70 because of mismachining tolerance
It is dynamic.Preferably, the quantity of notch 721 is one, under the premise of guaranteeing limit, reduces difficulty of processing.
As shown in Figure 6 and Figure 7, the embodiment of the present invention also provide a kind of ball wire bar pair, including screw rod 200, nut 300 with
And ball (not shown), nut 300 are radially arranged there are two mounting hole 310, are provided with above-mentioned circulation in mounting hole 310
Device.Preferably, circulator is fixed on nut 300 by two screws 400.
By the way that circulator radially loading assigned in the technological means in the mounting hole 310 of nut 300, is reduced nut 300
Outer diameter improves the bearing capacity of screw rod 200 under same volume, in the case where load-carrying is constant, can reduce ball screw
200 secondary volumes, save installation space, and structure is simple, easy to assembly, and fabrication cycles portion is not needed on nut 300, recycle
Portion is to go back to the hole of bead 10 on circulator, to reduce the difficulty of processing and mismatch error of nut 300, improves processing effect
Rate.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of circulator, including ontology, it is characterised in that: be provided in the ontology and go back to the hole of bead, institute for what ball passed through
The bottom for stating ontology is provided with flange part, and one end of the flange part is provided with first opening for going back to the hole of bead, the ontology
Side be provided with second opening for going back to the hole of bead, the side of the ontology is additionally provided with cut-off rule, and the ontology is described in
Cut-off rule is divided into the first noumenon and the second ontology, and the cut-off rule includes the L section and institute where the shaft section for going back to the hole of bead
State the L sections of N sections of M section and the stepped ramp type being connected with described M sections that are perpendicular and extending downwardly.
2. circulator as described in claim 1, it is characterised in that: described N sections include the P section parallel with described M sections and
Connect described M sections and P sections of the O section.
3. circulator as claimed in claim 2, it is characterised in that: described O sections and it is M sections described between angle be 80~
100°。
4. circulator as claimed in claim 2, it is characterised in that: L sections described, described M sections, described O sections of formation " Qian " font
Linkage section, the first noumenon is arranged fluted at the linkage section, and second ontology is arranged at the linkage section
There is the boss matched with the groove.
5. circulator as claimed in claim 4, it is characterised in that: the groove and the boss are interference fitted.
6. circulator as described in claim 1, it is characterised in that: the side of the first noumenon is provided with card slot, and described
The side of two ontologies is provided with the flange matched with the card slot.
7. circulator as claimed in claim 6, it is characterised in that: the outer peripheral surface of the flange is provided at least one notch,
The inner peripheral surface of the card slot is provided with the wedge angle matched with the notch.
8. circulator as claimed in claim 6, it is characterised in that: the card slot and the flange are interference fitted.
9. a kind of ball wire bar pair, including screw rod, nut and ball, it is characterised in that: the nut is radially provided with
Two mounting holes, the mounting hole is interior to be arranged just like the described in any item circulators of claim 1-8.
10. ball wire bar pair as claimed in claim 9, it is characterised in that: the circulator is fixed on institute by two screws
It states on nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819667.7A CN110425262A (en) | 2019-08-31 | 2019-08-31 | A kind of circulator and the ball wire bar pair comprising it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819667.7A CN110425262A (en) | 2019-08-31 | 2019-08-31 | A kind of circulator and the ball wire bar pair comprising it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110425262A true CN110425262A (en) | 2019-11-08 |
Family
ID=68418380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910819667.7A Pending CN110425262A (en) | 2019-08-31 | 2019-08-31 | A kind of circulator and the ball wire bar pair comprising it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110425262A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3168571U (en) * | 2011-04-07 | 2011-06-16 | 上銀科技股▲分▼有限公司 | External circulation ball screw |
| CN203214794U (en) * | 2013-02-28 | 2013-09-25 | 大準实业有限公司 | End cover circulation type ball screw and circulators |
| CN105960549A (en) * | 2014-02-13 | 2016-09-21 | Thk株式会社 | Ball screw device |
| CN207687284U (en) * | 2017-12-25 | 2018-08-03 | 昇翰科技（深圳）有限公司 | A kind of superelevation helical pitch screw pair circulator guide frame |
| CN207750463U (en) * | 2018-01-25 | 2018-08-21 | 丽水市杰祥科技有限公司 | A kind of feed screw nut pair |
| CN210371880U (en) * | 2019-08-31 | 2020-04-21 | 深圳盛世电梯有限公司 | Circulator and ball screw pair comprising same |
-
2019
- 2019-08-31 CN CN201910819667.7A patent/CN110425262A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3168571U (en) * | 2011-04-07 | 2011-06-16 | 上銀科技股▲分▼有限公司 | External circulation ball screw |
| CN203214794U (en) * | 2013-02-28 | 2013-09-25 | 大準实业有限公司 | End cover circulation type ball screw and circulators |
| CN105960549A (en) * | 2014-02-13 | 2016-09-21 | Thk株式会社 | Ball screw device |
| CN207687284U (en) * | 2017-12-25 | 2018-08-03 | 昇翰科技（深圳）有限公司 | A kind of superelevation helical pitch screw pair circulator guide frame |
| CN207750463U (en) * | 2018-01-25 | 2018-08-21 | 丽水市杰祥科技有限公司 | A kind of feed screw nut pair |
| CN210371880U (en) * | 2019-08-31 | 2020-04-21 | 深圳盛世电梯有限公司 | Circulator and ball screw pair comprising same |
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