CN103104670A - Entire circular type internal recycling reverser - Google Patents
Entire circular type internal recycling reverser Download PDFInfo
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- CN103104670A CN103104670A CN2013100555617A CN201310055561A CN103104670A CN 103104670 A CN103104670 A CN 103104670A CN 2013100555617 A CN2013100555617 A CN 2013100555617A CN 201310055561 A CN201310055561 A CN 201310055561A CN 103104670 A CN103104670 A CN 103104670A
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- reverser
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Abstract
The invention discloses an entire circular type internal recycling reverser which comprises a cylindrical reverser body and an S-shaped recycling channel. The S-shaped recycling channel is integrated by that the cylindrical reverser body is de-bossed inward. A connecting line is a joint between the S-shaped recycling channel and an upper surface of the cylindrical reverser body, wherein the connecting line is located at two end rolling rails of a nut. Nut recycling mouths which are anastomotic with connecting mouth portion of the nut rolling rails are the two ends of the S-shaped recycling channel. The S-shaped recycling channel is an S-shaped revolving bead space trajectory. The mathematical model of the S-shaped recycling channel is a quintic parabola. Engineering plastics of reinforced fibers can be used by the cylindrical reverser body, and the cylindrical reverser body is produced by an injection moulding craft. The upper portion of the cylindrical reverser extends out to form two assistant locating outer arc portions to increase stability of the reverser. The entire circular type internal recycling reverser is good in recycling trajectory smoothness, high in transmission property, high in production efficiency, low in cost and long in service life.
Description
Technical field
The present invention relates to the crucial driving component of the supporting ball screw pair of a kind of numerical control machine tool, machine tool, standard equipment, relate in particular to the round intrinsic cycle reversing machine of a kind of integral body.
Background technique
The oval type is arranged on the form structure of reverser, and the oval type also must be processed in its reverser hole on ball nut, and just weaker compared with the manufacturability in round reverser hole like this, manufacturing efficiency is low, cost is high and quality also is difficult to control.Also have two semi-circularly, round by bonding composition, but Bond is required high, because many one process costs that bond will increase, and owing to being hit large in motion or bond quality does not pass a test, cause poor reliability.The reverser that steel is also arranged, X, Y, Z space coordinates that its ball flows will be processed with Technique of Three Axis CNC Machines, and efficient is low, cost is high, and quality of processing also is subjected to the impact of equipment, instrument, technological method and personal factor.Powder metallurgy pressing is also arranged, and because fragility is large, fracture appearred in past attempts, poor reliability, and present circumstances is not clear.Also have in addition cold-stamped, its manufacturing efficiency and quality are out of question, but mould and equipment investment are larger.The widely different pearl space tracking of S type has: Linear arc-shaped, sinusoidal curve type, cubic parabola type.But the fluency of the widely different pearl space tracking of these S types is bad generally, and impact force is large, and transmission stability and efficient are low.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, the whole round intrinsic cycle reversing machine that a kind of smooth trajectory is good, the stable drive performance is high is provided, and this whole its manufacturing efficiency of round intrinsic cycle reversing machine is high, cost is low, long service life.
For solving the problems of the technologies described above, the technological scheme that the present invention takes is: the round intrinsic cycle reversing machine of a kind of integral body comprises cylindrical reverser body and S type circulation canal; Described S type circulation canal is caved inward by cylindrical reverser body and is integrally formed, described S type circulation canal and cylindrical reverser body upper surface connection are the connecting line of nut rolling way, the nut circulation port of the two ends of S type circulation canal for matching with the nut rolling way joining part; Be the widely different pearl space tracking of S type in described S type circulation canal, the mathematical model of described widely different pearl space tracking is five parabolas.The present invention and nut orbit link up smoothly, the steel ball space tracking is smooth, make the S type circulation canal of sealing of the rolling of ball in the ball screw auxiliary driving smoothly smooth, guarantee the to-and-fro motion that ball screw pair goes round and begins again, and have advantages of that track smoothness, impact force are little, transmission is sensitive steadily, transmission efficiency is high.
As further improved technical scheme of the present invention, the cross section in the described S type circulation canal direction vertical with the widely different pearl space tracking of S type is single circular cross-section, forms single circular arc type bead returning groove.Simple process.
As further improved technical scheme of the present invention, described cylindrical reverser body adopts the engineering plastics of reinforcing fiber and is processed into by injection molding process.Adopt this material, can process by disposal molding by general injection moulding, manufacturing efficiency is high, is conducive to reduce production costs.
As further improved technical scheme of the present invention, the fusing point of described cylindrical reverser body be 252 ℃, brittle temperature for-30 ℃, heat resisting temperature is 80 ℃-120 ℃ continuously.
As further improved technical scheme of the present invention, described cylindrical reverser body top stretches out, and is formed for carrying out auxiliary positioning with ball nut reverser hole so that cylindrical reverser body is in good condition and be positioned at two auxiliary positioning outer arc sections of S type circulation canal both sides in little unsteady kind; Described auxiliary positioning outer arc section and ball nut endoporus are close to, to increase the stability in the reverser motion.
As further improved technical scheme of the present invention, the lower surface of described auxiliary positioning outer arc section is the auxiliary positioning face, described auxiliary positioning face middle part is formed for locating the convex circular arc with the level and smooth docking of inlet/outlet that guarantees stream ball in ball nut raceway and cylindrical reverser body to lower convexity in the ball nut raceway.The convex circular arc is used for guaranteeing the inlet/outlet automatic smoothing docking of stream ball in ball nut raceway and cylindrical reverser body, ball is rolled sensitive, round and smooth in this whole round intrinsic cycle reversing machine, steadily, has improved the transmission performance of ball screw pair.
As further improved technical scheme of the present invention, the upper surface of described auxiliary positioning outer arc section raises up, and Formation cross-section is the stiffening rib of semicircle arcuation.Stiffening rib is used for strengthening the intensity of this whole round intrinsic cycle reversing machine, improves reliability, extends the working life of ball screw pair.
As further improved technical scheme of the present invention, described cylindrical reverser body top is the cylndrical surface suitable with ball nut reverser hole; The cylndrical surface is comprised of cylindrical side and cylinder bottom surface, and wherein the cylinder bottom surface is arc surface 11.The structure that this integral body is round, its cylndrical surface are conducive to that this whole round intrinsic cycle reversing machine carries out better with ball nut reverser hole, more stable unsteady cooperation.
The present invention and nut thread passage link up smoothly, and the ball space tracking is smooth, make the S type circulation canal of sealing of the rolling of ball in the ball screw auxiliary driving smoothly smooth, guarantee the to-and-fro motion that ball screw pair goes round and begins again.The present invention can process by disposal molding by general injection moulding, and manufacturing efficiency is high, is conducive to reduce production costs.In a word, smooth trajectory of the present invention is good, transmission performance is high, manufacturing efficiency is high, cost is low, long service life.
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Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to structural representation.
Fig. 3 is that the N-N of Fig. 1 is to structural representation.
Fig. 4 is that the B-B of Fig. 1 is to structural representation.
Fig. 5 is that the L-L of Fig. 4 is to structural representation.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
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Embodiment
Embodiment 1
Referring to Fig. 1, Fig. 2 and Fig. 3, this whole round intrinsic cycle reversing machine comprises cylindrical reverser body 1 and S type circulation canal 2; Described S type circulation canal 2 is caved inward by cylindrical reverser body 1 and is integrally formed, described S type circulation canal 2 and cylindrical reverser body 1 upper surface connection is two raceway connecting lines 3 of nut, the nut circulation port 4 of the two ends of S type circulation canal 2 for matching with the nut rolling way joining part; Be the widely different pearl space tracking 5 of S type in described S type circulation canal 2, described widely different pearl space tracking 5 its mathematical models are five parabolas.Referring to Fig. 2, the cross section in the vertical direction of 2 pairs of widely different pearl space trackings 5 of described S type circulation canal is single circular cross-section, forms single circular arc type bead returning groove 6.Described cylindrical reverser body 1 adopts the engineering plastics of reinforcing fiber and is processed into by injection molding process.The fusing point of described cylindrical reverser body 1 be 252 ℃, brittle temperature for-30 ℃, heat resisting temperature is 80 ℃-120 ℃ continuously.Referring to Fig. 1, Fig. 3, Fig. 4 and Fig. 5, described cylindrical reverser body 1 top stretches out, and is configured for carrying out auxiliary positioning with ball nut reverser hole so that cylindrical reverser body 1 is in good condition and be positioned at two auxiliary positioning outer arc sections 7 of S type circulation canal 2 both sides in little floating.The lower surface of described auxiliary positioning outer arc section 7 is auxiliary positioning face 8, described auxiliary positioning face 8 middle parts are formed for to lower convexity the convex circular arc 9 that dock with the inlet/outlet automatic smoothing that guarantees ball nut raceway and the interior stream ball of cylindrical reverser body 1 location in ball nut screw thread raceway.The upper surface of described auxiliary positioning outer arc section 7 raises up, and Formation cross-section is the stiffening rib 10 of semicircle arcuation.The bottom surface of described cylindrical reverser body 1 is the cylndrical surface 11 suitable with ball nut reverser hole; Cylndrical surface 11 is comprised of cylindrical side 12 and cylinder bottom surface 13, and wherein cylinder bottom surface 13 is arc surface, and its cambered surface radius is less than the ball nut radius.
In the present embodiment, employing be the engineering plastics that contain reinforcing fiber, this materials processing Performance Ratio is more satisfactory, can be with the processing of general injection molding process, manufacturing efficiency is high, is conducive to reduce production costs.In actual applications, this material is applied to require the mechanical parts lightweight, that intensity is high in large quantities, as gear, turbine.Be used for making reverser and have more the noise that absorbs ball and impact, the especially suitable supporting advantage of high-speed ball screw pair, meet the matching used technical requirements of ball screw pair fully.This whole round intrinsic cycle reversing machine cost is low, than the cost of machining steel part 3-4 doubly, reduced 1-2 doubly than metallic sintered products, cold-extruded part; Improve the efficiency of assembling of ball screw pair, particularly improved the transmission performances such as the sensitivity of ball screw pair and stationarity.
Claims (8)
1. the round intrinsic cycle reversing machine of integral body, comprise cylindrical reverser body (1) and S type circulation canal (2); Described S type circulation canal (2) is caved inward by cylindrical reverser body (1) and is integrally formed, described S type circulation canal (2) is nut thread raceway connecting line (3) with cylindrical reverser body (1) upper surface connection, the nut circulation port (4) of the two ends of S type circulation canal (2) for matching with the nut rolling way joining part; Be the widely different pearl space tracking of S type (5) in described S type circulation canal (2), the mathematical model of the widely different pearl space tracking of described S type (5) is five parabolas.
2. the round intrinsic cycle reversing machine of integral body according to claim 1 is characterized in that: described S type circulation canal (2) is single circular cross-section along the cross section in the direction vertical with the widely different pearl space tracking of S type (5), forms single circular arc type bead returning groove (6).
3. the round intrinsic cycle reversing machine of integral body according to claim 2 is characterized in that: described cylindrical reverser body (1) adopts the engineering plastics of reinforcing fiber also to be processed into by injection molding process.
4. the round intrinsic cycle reversing machine of integral body according to claim 3 is characterized in that: the fusing point of described cylindrical reverser body (1) be 252 ℃, brittle temperature for-30 ℃, heat resisting temperature is 80 ℃-120 ℃ continuously.
5. according to claim 1 and 2 or 3 or 4 round intrinsic cycle reversing machines of described integral body, it is characterized in that: described cylindrical reverser body (1) top stretches out, be formed for carrying out auxiliary positioning with ball nut reverser hole so that cylindrical reverser body (1) is in good condition and be positioned at two auxiliary positioning outer arc sections (7) of S type circulation canal (2) both sides in little floating, described auxiliary positioning outer arc section (7) is close to the ball nut endoporus, to increase the stability in the reverser motion.
6. the round intrinsic cycle reversing machine of integral body according to claim 5, it is characterized in that: the lower surface of described auxiliary positioning outer arc section (7) is auxiliary positioning face (8), described auxiliary positioning face (8) middle part is formed for locating the convex circular arc (9) with the level and smooth docking of steel ball inlet/outlet that guarantees circulation in ball nut raceway and cylindrical reverser body (1) to lower convexity in the ball nut raceway.
7. the round intrinsic cycle reversing machine of integral body according to claim 6, it is characterized in that: the upper surface of described auxiliary positioning outer arc section (7) raises up, and Formation cross-section is the stiffening rib (10) of semicircle arcuation.
8. the round intrinsic cycle reversing machine of integral body according to claim 7 is characterized in that: the bottom surface of described cylindrical reverser body (1) for suitable cylndrical surface (11), ball nut reverser hole; Cylndrical surface (11) is comprised of cylindrical side (12) and cylinder bottom surface (13), and wherein cylinder bottom surface (13) are arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055561.7A CN103104670B (en) | 2012-09-27 | 2013-02-21 | Overall round intrinsic cycle reversing machine |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220500035.8 | 2012-09-27 | ||
| CN2012205000358 | 2012-09-27 | ||
| CN201220500035 | 2012-09-27 | ||
| CN201310055561.7A CN103104670B (en) | 2012-09-27 | 2013-02-21 | Overall round intrinsic cycle reversing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103104670A true CN103104670A (en) | 2013-05-15 |
| CN103104670B CN103104670B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310055561.7A Active CN103104670B (en) | 2012-09-27 | 2013-02-21 | Overall round intrinsic cycle reversing machine |
| CN 201320080301 Expired - Lifetime CN203146735U (en) | 2012-09-27 | 2013-02-21 | Integrally-circular internal-circulation return device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320080301 Expired - Lifetime CN203146735U (en) | 2012-09-27 | 2013-02-21 | Integrally-circular internal-circulation return device |
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| CN (2) | CN103104670B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019203A (en) * | 2014-06-26 | 2014-09-03 | 北京精密天工滚珠丝杠股份有限公司 | Ball screw pair closing type plastic reverser |
| CN109937316A (en) * | 2016-11-14 | 2019-06-25 | 日本精工株式会社 | Ball-screw |
| CN114263714A (en) * | 2022-01-07 | 2022-04-01 | 天津德科智控股份有限公司 | External circulation reverser for ball nut on electric steering device |
| CN114439894A (en) * | 2022-02-15 | 2022-05-06 | 天津德科智控股份有限公司 | Manufacturing method of end face internal circulation reverser |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104670B (en) * | 2012-09-27 | 2016-08-24 | 王勇卫 | Overall round intrinsic cycle reversing machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603664A (en) * | 2004-11-03 | 2005-04-06 | 于宙 | Axial reversing type ball screw |
| CN101328963A (en) * | 2007-06-22 | 2008-12-24 | 西安凤城精密机械有限公司 | Ball screw pair with quintic parabola ball returning machine |
| JP2009079764A (en) * | 2007-09-14 | 2009-04-16 | Li Jingyu | Backbone type internal circulation ball screw unit |
| CN102022499A (en) * | 2010-11-03 | 2011-04-20 | 大连高金数控集团有限公司 | Three-dimensional high-speed reverser |
| CN201818750U (en) * | 2010-10-08 | 2011-05-04 | 江苏启尖丝杠制造有限公司 | Novel reverser |
| CN201963827U (en) * | 2011-03-15 | 2011-09-07 | 吕元之 | Powder metallurgy reverse unit for ball screw pair of machine tool |
| CN202392064U (en) * | 2011-11-25 | 2012-08-22 | 昇章机械有限公司 | Circulator |
| CN203146735U (en) * | 2012-09-27 | 2013-08-21 | 王勇卫 | Integrally-circular internal-circulation return device |
-
2013
- 2013-02-21 CN CN201310055561.7A patent/CN103104670B/en active Active
- 2013-02-21 CN CN 201320080301 patent/CN203146735U/en not_active Expired - Lifetime
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603664A (en) * | 2004-11-03 | 2005-04-06 | 于宙 | Axial reversing type ball screw |
| CN101328963A (en) * | 2007-06-22 | 2008-12-24 | 西安凤城精密机械有限公司 | Ball screw pair with quintic parabola ball returning machine |
| JP2009079764A (en) * | 2007-09-14 | 2009-04-16 | Li Jingyu | Backbone type internal circulation ball screw unit |
| CN201818750U (en) * | 2010-10-08 | 2011-05-04 | 江苏启尖丝杠制造有限公司 | Novel reverser |
| CN102022499A (en) * | 2010-11-03 | 2011-04-20 | 大连高金数控集团有限公司 | Three-dimensional high-speed reverser |
| CN201963827U (en) * | 2011-03-15 | 2011-09-07 | 吕元之 | Powder metallurgy reverse unit for ball screw pair of machine tool |
| CN202392064U (en) * | 2011-11-25 | 2012-08-22 | 昇章机械有限公司 | Circulator |
| CN203146735U (en) * | 2012-09-27 | 2013-08-21 | 王勇卫 | Integrally-circular internal-circulation return device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019203A (en) * | 2014-06-26 | 2014-09-03 | 北京精密天工滚珠丝杠股份有限公司 | Ball screw pair closing type plastic reverser |
| CN109937316A (en) * | 2016-11-14 | 2019-06-25 | 日本精工株式会社 | Ball-screw |
| CN109937316B (en) * | 2016-11-14 | 2022-09-13 | 日本精工株式会社 | Ball screw |
| CN114263714A (en) * | 2022-01-07 | 2022-04-01 | 天津德科智控股份有限公司 | External circulation reverser for ball nut on electric steering device |
| CN114439894A (en) * | 2022-02-15 | 2022-05-06 | 天津德科智控股份有限公司 | Manufacturing method of end face internal circulation reverser |
| CN114439894B (en) * | 2022-02-15 | 2023-08-29 | 天津德科智控股份有限公司 | Manufacturing method of end surface internal circulation reverser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103104670B (en) | 2016-08-24 |
| CN203146735U (en) | 2013-08-21 |
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Effective date of registration: 20160907 Address after: No. 389 ADA garden Wisteria Garden Road Jianye District of Nanjing City, Changhong Jiangsu province 210000 3 Building No. 9 Room 401 Patentee after: Meng Hao Address before: No. 389 ADA garden Wisteria Garden Road Jianye District of Nanjing City, Changhong Jiangsu province 210000 3 Building No. 9 Room 401 Patentee before: Wang Yongwei Patentee before: Meng Hao |