CN110805670B - Ball screw pair - Google Patents
Ball screw pair Download PDFInfo
- Publication number
- CN110805670B CN110805670B CN201910962557.6A CN201910962557A CN110805670B CN 110805670 B CN110805670 B CN 110805670B CN 201910962557 A CN201910962557 A CN 201910962557A CN 110805670 B CN110805670 B CN 110805670B
- Authority
- CN
- China
- Prior art keywords
- filling groove
- extrusion
- lubricating oil
- steel ball
- ball
- 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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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 239000010687 lubricating oil Substances 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 75
- 229920001875 Ebonite Polymers 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003756 stirring 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
- 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
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0409—Features relating to lubrication or cooling or heating characterised by the problem to increase efficiency, e.g. by reducing splash losses
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0417—Heat exchangers adapted or integrated in the gearing
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0497—Screw mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to the technical field of mechanical transmission, in particular to a ball screw pair, which comprises a screw rod and a nut assembly, wherein a spiral groove is spirally formed in the outer wall of the screw rod, and the middle part of the screw rod is rotationally connected with a switching block through a steel ball; a filling groove is formed in the switching block; the filling groove is formed into a circular ring shape, lubricating oil is filled in the filling groove, and liquid flow holes are uniformly formed in the inner wall of the filling groove; the invention is mainly used for solving the problems that in the prior art, the ball screw pair can generate larger friction to the steel balls to cause larger loss, friction force is reduced by manually adding lubricating oil, manpower and material resource consumption in working is greatly improved, and the manual addition is required to be continued after the lubricating oil consumption is over, so that the production work is not easy to carry out.
Description
Technical Field
The invention belongs to the technical field of mechanical transmission, and particularly relates to a ball screw pair.
Background
The ball screw pair is a screw transmission mechanism using balls as rolling elements, and a plurality of balls are interposed between a screw shaft and a screw nut to bear and transmit a load. Compared with a sliding screw pair, the ball screw pair has the advantages of high transmission efficiency, high transmission precision and the like, so that the ball screw pair is widely applied to the fields of machine tools and the like, in the ball screw pair in the prior art, since the screw is in a high-speed rotation state during working, namely, the adapter block is connected with the screw in a high-speed rotation state, namely, larger friction force is generated on steel balls in the adapter block, so that the abrasion degree of the steel balls is rapidly increased, and the friction loss of the steel balls is reduced by manually adding lubricating oil at the present stage, the manual addition mode definitely greatly improves the workload, and meanwhile, the steel balls need to be continuously added after the lubricating oil is completely consumed, so that the production work is extremely unfavorable.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a ball screw pair. The invention is mainly used for solving the problems that in the prior art, the ball screw pair can generate larger friction to the steel balls to cause larger loss, friction force is reduced by manually adding lubricating oil, manpower and material resource consumption in working is greatly improved, and the manual addition is required to be continued after the lubricating oil consumption is over, so that the production work is not easy to carry out.
The technical scheme adopted for solving the technical problems is as follows: the ball screw pair comprises a screw rod and a nut assembly, wherein a spiral groove is spirally formed in the outer wall of the screw rod, and the middle part of the screw rod is rotationally connected with a switching block through a steel ball; a filling groove is formed in the adapter block, and the adapter block belongs to a part of the nut assembly; the filling groove is formed into a circular ring shape, lubricating oil is filled in the filling groove, and liquid flow holes are uniformly formed in the inner wall of the filling groove; when the ball screw pair starts to work, larger friction force can be generated on the steel balls in the adapter block, namely the steel balls can heat the adapter block, the filling groove is formed in the adapter block and is formed into a circular ring shape, lubricating oil is filled in the filling groove, and the inner wall of the filling groove is uniformly provided with the liquid flow holes, so that the lubricating oil in the filling groove is in an active state due to heat transmission during work, and finally the friction force between the balls and the adapter block and the screw rod is reduced through the positions of the liquid flow holes, namely the friction consumption of the balls is reduced, and meanwhile, a certain cooling effect is also achieved inside the adapter block due to higher boiling point of the lubricating oil.
The cross section of the liquid flow hole is in an inverted truncated cone shape, and the inner opening of the liquid flow hole is larger than the outer opening; when lubricating oil enters between the balls through the liquid flow holes, the cross section of the liquid flow holes is in an inverted circular truncated cone shape, and the inner end opening of the liquid flow holes is larger than the outer end opening, so that certain blocking force can be applied when the lubricating oil flows out of the filling grooves, namely, the consumption control of the lubricating oil is greatly enhanced, meanwhile, the steel balls can be kept in a lubricating state all the time, and the protection effect on the steel balls is further improved.
The inside of the steel ball is hollow, and extrusion blocks are symmetrically and slidingly connected in the wall of the steel ball; the inner ends of the extrusion blocks are elastically connected through springs; when the ball is in friction heating during operation, the air in the cavity inside the steel ball is in an active state because the inside of the steel ball is hollow, meanwhile, the inner end of the extrusion block is elastically connected through a spring because of symmetrical sliding connection in the wall of the steel ball, so that the extrusion block is pushed to the outside from time to time due to air pressure when the steel ball rotates during operation, namely, hot air in the ball is released, and lubricating oil outside the ball is stirred to a certain extent through the released hot air, so that the lubricating oil is always in an active state.
The inner wall of the filling groove is uniformly embedded with an extrusion bag; the extrusion bag is arranged between the liquid flow holes, and the inside of the extrusion bag is filled with cooling liquid; when the extrusion piece inside the steel ball slides outwards due to the action of air pressure, the extrusion bag is uniformly embedded and installed on the inner wall of the filling groove, so that the extrusion piece can generate an extrusion effect on the extrusion bag when sliding outwards, meanwhile, the extrusion bag is arranged between the liquid flow holes, and cooling liquid is filled in the extrusion bag, so that the temperature of the steel ball can be quickly reduced when the ball contacts with the extrusion bag, and the temperature stability of the steel ball during working is ensured.
The outer end of the extrusion bag is provided with an expansion port; the expansion port is formed in the inner wall of the filling groove; when the extrusion block in the steel ball works to generate extrusion force to the extrusion bag, the expansion port is formed in the outer end of the extrusion bag, and the expansion port is formed in the inner wall of the filling groove, so that the extrusion bag can expand outwards when subjected to extrusion force, namely, an extrusion effect is achieved on lubricating oil in the filling groove, stable conveying of the lubricating oil to the outer side through the liquid flow hole is ensured, and lubrication effect on the steel ball is ensured.
The extrusion block is made of hard rubber materials; when the extrusion block in the steel ball generates extrusion force to the extrusion bag, the extrusion block is made of hard rubber materials, so that the friction force between the steel ball and the extrusion bag can be greatly increased when the extrusion block is in contact with the extrusion bag, the friction force between the steel ball and the adapter block is indirectly increased, the rotation speed between the adapter block and the screw rod is limited to a certain extent, and the screw rod is prevented from being broken when the adapter block and the screw rod are in a high-speed movement state.
The beneficial effects of the invention are as follows:
1. when the ball screw pair starts to work, larger friction force can be generated on the steel balls in the adapter block, namely the steel balls can heat the adapter block, the filling groove is formed in the adapter block and is formed into a circular ring shape, lubricating oil is filled in the filling groove, and the inner wall of the filling groove is uniformly provided with the liquid flow holes, so that the lubricating oil in the filling groove is in an active state due to heat transmission during work, and finally the friction force between the balls and the adapter block and the screw rod is reduced through the positions of the liquid flow holes, namely the friction consumption of the balls is reduced, and meanwhile, a certain cooling effect is also achieved inside the adapter block due to higher boiling point of the lubricating oil.
2. When lubricating oil enters between the balls through the liquid flow holes, the cross section of the liquid flow holes is in an inverted circular truncated cone shape, and the inner end opening of the liquid flow holes is larger than the outer end opening, so that certain blocking force can be applied when the lubricating oil flows out of the filling grooves, namely, the consumption control of the lubricating oil is greatly enhanced, meanwhile, the steel balls can be kept in a lubricating state all the time, and the protection effect on the steel balls is further improved.
3. When the ball is in friction heating during operation, the air in the cavity inside the steel ball is in an active state because the inside of the steel ball is hollow, meanwhile, the inner end of the extrusion block is elastically connected through a spring because of symmetrical sliding connection in the wall of the steel ball, so that the extrusion block is pushed to the outside from time to time due to air pressure when the steel ball rotates during operation, namely, hot air in the ball is released, and lubricating oil outside the ball is stirred to a certain extent through the released hot air, so that the lubricating oil is always in an active state.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the structure of the transfer block of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
in the figure: screw rod 1, helical groove 11, steel ball 12, extrusion piece 13, nut assembly 2, adapter piece 21, filling groove 22, flow hole 23, extrusion bag 24, inflation mouth 25.
Detailed Description
A ball screw assembly according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1-4, the ball screw assembly comprises a screw rod 1 and a nut assembly 2, wherein a spiral groove 11 is spirally formed in the outer wall of the screw rod 1, and the middle part of the screw rod 1 is rotationally connected with a switching block 21 through a steel ball 12; a filling groove 22 is formed in the adapter block 21, and the adapter block 21 belongs to a part of the nut assembly 2; the filling groove 22 is formed in a circular shape, lubricating oil is filled in the filling groove 22, and liquid holes 23 are uniformly formed in the inner wall of the filling groove 22; when the ball screw pair starts to work, larger friction force can be generated on the steel balls 12 in the adapter block 21, namely, the steel balls 12 can heat the adapter block 21, the filling groove 22 is formed in a circular shape because the filling groove 22 is formed in the adapter block 21, lubricating oil is filled in the filling groove 22, the inner wall of the filling groove 22 is uniformly provided with the liquid flow holes 23, so that the lubricating oil in the filling groove 22 is in an active state due to heat transmission during work, and finally, the lubricating oil enters the positions of the screw rod 1 and the linked steel balls 12 of the adapter block 21 through the liquid flow holes 23, so that friction force between the balls and the adapter block 21 and the screw rod 1 is greatly reduced, namely, friction consumption of the balls is reduced, and meanwhile, a certain cooling effect is also achieved inside the adapter block 21 because the boiling point of the lubricating oil is higher.
The cross section of the liquid flow hole 23 is in an inverted truncated cone shape, and the opening of the inner end of the liquid flow hole 23 is larger than the opening of the outer end; when the lubricating oil enters between the balls through the liquid flow holes 23, the cross section of the liquid flow holes 23 is in an inverted truncated cone shape, and the inner end opening of the liquid flow holes 23 is larger than the outer end opening, so that a certain blocking force can be applied when the lubricating oil flows out of the filling groove 22, namely the consumption control of the lubricating oil is greatly enhanced, meanwhile, the steel balls 12 can be kept in a lubricating state all the time, and the protection effect on the steel balls 12 is further improved.
The inside of the steel ball 12 is hollow, and extrusion blocks 13 are symmetrically and slidingly connected in the wall of the steel ball 12; the inner ends of the extrusion blocks 13 are elastically connected through springs; when the ball is rubbed and warmed up during operation, because the inside of steel ball 12 sets up to hollow form, so the air in the inside cavity of steel ball 12 can be in active state, simultaneously because symmetrical sliding connection has extrusion piece 13 in the wall of steel ball 12, the inner of extrusion piece 13 passes through spring elastic connection, so the steel ball 12 during operation can be at times when rotating because of atmospheric pressure reason promote extrusion piece 13 outside, release inside hot air promptly to play certain stirring effect to outside lubricating oil through the hot air of release, ensure that lubricating oil is in active state all the time.
The inner wall of the filling groove 22 is uniformly embedded and provided with an extrusion bag 24; the squeeze bag 24 is arranged between the liquid flow holes 23, and the interior of the squeeze bag 24 is filled with cooling liquid; when the extrusion block 13 inside the steel ball 12 slides outwards due to the action of air pressure, the extrusion bag 24 is uniformly embedded and installed on the inner wall of the filling groove 22, so that the extrusion block 13 can generate an extrusion action on the extrusion bag 24 when sliding outwards, meanwhile, the extrusion bag 24 is arranged between the liquid flow holes 23, and the inside of the extrusion bag 24 is filled with cooling liquid, so that the temperature of the steel ball 12 can be quickly reduced when the ball is in contact with the extrusion bag 24, and the temperature stability during working is ensured.
The outer end of the extrusion bag 24 is provided with an expansion port 25; the expansion port 25 is formed in the inner wall of the filling groove 22; when the extrusion block 13 in the steel ball 12 produces extrusion force to the extrusion bag 24 in the working process, the expansion port 25 is formed at the outer end of the extrusion bag 24, and the expansion port 25 is formed in the inner wall of the filling groove 22, so that the extrusion bag 24 can expand outwards when receiving extrusion force, namely, the extrusion effect is achieved on lubricating oil in the filling groove 22, stable transmission of the lubricating oil to the outside through the liquid flow hole 23 is ensured, and the lubricating effect on the steel ball 12 is ensured.
The extrusion block 13 is made of a hard rubber material; when the extrusion block 13 in the steel ball 12 generates extrusion force to the extrusion bag 24, the extrusion block 13 is made of hard rubber material, so that friction force between the steel ball 12 and the extrusion bag 24 can be greatly increased when the extrusion block 13 is in contact with the extrusion bag 24, thereby indirectly increasing friction force between the steel ball 12 and the adapter block 21, limiting rotation speed between the adapter block 21 and the screw rod 1, and avoiding breakage of the screw rod 1 caused by high-speed movement between the adapter block 21 and the screw rod 1.
The specific working procedure is as follows:
when the ball screw pair starts to work, larger friction force is generated on the steel balls 12 in the adapter block 21, namely the steel balls 12 can heat the adapter block 21, the filling groove 22 is formed in a circular shape because the filling groove 22 is formed in the adapter block 21, lubricating oil is filled in the filling groove 22, the inner wall of the filling groove 22 is uniformly provided with the liquid flow holes 23, so that the lubricating oil in the filling groove 22 is in an active state due to heat transmission during work, finally enters the positions of the steel balls 12 linked with the screw rod 1 and the adapter block 21 through the liquid flow holes 23, friction force between the balls and the adapter block 21 and the screw rod 1 is greatly reduced, namely friction consumption of the balls is reduced, meanwhile, a certain cooling effect is also achieved inside the adapter block 21 because of higher boiling point of the lubricating oil, when the lubricating oil enters between the balls through the liquid flow holes 23, the cross section of the liquid flow holes 23 is in an inverted shape, and the inner end opening of the liquid flow holes 23 is larger than the outer end opening of the liquid flow holes 23, the lubricating oil can be subjected to a certain blocking force when the lubricating oil flows out of the filling groove 22, namely the lubricating oil consumption control is greatly enhanced, meanwhile, the friction force is kept in a state, and the steel balls are always kept in a protection state, and the steel balls 12 is further improved.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (3)
1. The utility model provides a ball screw pair, includes lead screw (1) and nut assembly (2), its characterized in that: a spiral groove (11) is spirally formed in the outer wall of the screw rod (1), and the middle part of the screw rod (1) is rotationally connected with an adapter block (21) through a steel ball (12); a filling groove (22) is formed in the adapter block (21), and the adapter block (21) belongs to a part of the nut assembly (2); the filling groove (22) is formed into a circular ring shape, lubricating oil is filled in the filling groove (22), and liquid flow holes (23) are uniformly formed in the inner wall of the filling groove (22);
the inside of the steel ball (12) is hollow, and extrusion blocks (13) are symmetrically and slidingly connected in the wall of the steel ball (12); the inner ends of the extrusion blocks (13) are elastically connected through springs;
the inner wall of the filling groove (22) is uniformly embedded with an extrusion bag (24); the extrusion bag (24) is arranged between the liquid flow holes (23), and the inside of the extrusion bag (24) is filled with cooling liquid;
the outer end of the extrusion bag (24) is provided with an expansion port (25); the expansion opening (25) is formed in the inner wall of the filling groove (22);
when the ball is rubbed and heated during working, the inside of the steel ball (12) is hollow, so that the air in the cavity inside the steel ball (12) is in an active state, meanwhile, the inner ends of the extrusion blocks (13) are elastically connected through springs due to the symmetrical sliding connection of the extrusion blocks (13) in the wall of the steel ball (12), so that the extrusion blocks (13) are pushed outwards due to air pressure at intervals when the steel ball (12) rotates during working, namely, the hot air inside the steel ball is released, and the lubricating oil outside the steel ball is stirred to a certain extent through the released hot air;
the squeeze bag (24) expands outwards when being subjected to squeeze force, namely, the squeeze bag plays a role in squeezing the lubricating oil in the filling groove (22) and ensures that the lubricating oil is stably conveyed to the outside through the liquid flow hole (23).
2. A ball screw assembly according to claim 1, wherein: the cross section of the liquid flow hole (23) is in an inverted truncated cone shape, and the inner end opening of the liquid flow hole (23) is larger than the outer end opening.
3. A ball screw assembly according to claim 1, wherein: the extrusion block (13) is made of hard rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910962557.6A CN110805670B (en) | 2019-10-11 | 2019-10-11 | Ball screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910962557.6A CN110805670B (en) | 2019-10-11 | 2019-10-11 | Ball screw pair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110805670A CN110805670A (en) | 2020-02-18 |
| CN110805670B true CN110805670B (en) | 2023-11-21 |
Family
ID=69488247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910962557.6A Active CN110805670B (en) | 2019-10-11 | 2019-10-11 | Ball screw pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110805670B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6247556B1 (en) * | 1999-03-05 | 2001-06-19 | Hiwin Technologies Corp. | Screw bolt, nut and ball bearing assembly |
| CN208221514U (en) * | 2018-05-04 | 2018-12-11 | 东莞希思克传动科技有限公司 | A kind of ball screw of high-efficiency abrasion-proof |
| CN208703047U (en) * | 2018-05-04 | 2019-04-05 | 浙江德尔特自动化科技有限公司 | A kind of ball-screw |
| CN208703048U (en) * | 2018-06-13 | 2019-04-05 | 丽水市浙峰传动机械有限公司 | A kind of ball screw |
| CN208858883U (en) * | 2018-06-12 | 2019-05-14 | 浙江固德轴承制造有限公司 | A kind of ball screw auxiliary structure |
-
2019
- 2019-10-11 CN CN201910962557.6A patent/CN110805670B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6247556B1 (en) * | 1999-03-05 | 2001-06-19 | Hiwin Technologies Corp. | Screw bolt, nut and ball bearing assembly |
| CN208221514U (en) * | 2018-05-04 | 2018-12-11 | 东莞希思克传动科技有限公司 | A kind of ball screw of high-efficiency abrasion-proof |
| CN208703047U (en) * | 2018-05-04 | 2019-04-05 | 浙江德尔特自动化科技有限公司 | A kind of ball-screw |
| CN208858883U (en) * | 2018-06-12 | 2019-05-14 | 浙江固德轴承制造有限公司 | A kind of ball screw auxiliary structure |
| CN208703048U (en) * | 2018-06-13 | 2019-04-05 | 丽水市浙峰传动机械有限公司 | A kind of ball screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110805670A (en) | 2020-02-18 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231025 Address after: Building 5, No. 551, Gaoxin West 1st Road, Fengming Street, Tongxiang City, Jiaxing City, Zhejiang Province, 314500 Applicant after: Jiaxing Meisen Precision Technology Co.,Ltd. Address before: 210000 Room 606, building 10, North Garden, qingheyuan, 69 Zhonghe Road, Hexi Central Business District, Jianye District, Nanjing City, Jiangsu Province Applicant before: Chen Weiguang |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A type of ball screw pair Effective date of registration: 20231227 Granted publication date: 20231121 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jiaxing Tongxiang Branch Pledgor: Jiaxing Meisen Precision Technology Co.,Ltd. Registration number: Y2023980073532 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |