CN101038021A - Self-lubricating ball screw - Google Patents
Self-lubricating ball screw Download PDFInfo
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- CN101038021A CN101038021A CN 200610064866 CN200610064866A CN101038021A CN 101038021 A CN101038021 A CN 101038021A CN 200610064866 CN200610064866 CN 200610064866 CN 200610064866 A CN200610064866 A CN 200610064866A CN 101038021 A CN101038021 A CN 101038021A
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- nut
- lubrication unit
- storage space
- reserve tank
- fuel reserve
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Abstract
The invention is a self-lubricating type ball screw, which is mainly comprised of a screw cap, a screw, at least one lubricating unit and one external oil storage tank. The lubricating unit is assembled and positioned inside the screw cap, one end of which exposes a contact screw, another end of the lubricating unit is connected with the oil storage tank, and the lubricating unit absorbs lubricating oil in the oil storage tank, a screw passing allowable quick-dismantling opening is provided on one side of the oil storage tank. The oil storage tank of the invention can be replaced momentarily, and arrangement for original scrapers on ends of the screw cap will not be affected by the lubricating unit, space for oil storage tank can be saved more effectively, product design is also simplified and maintaining efficiency is improved.
Description
Technical field
The present invention is a kind of ball screw, be meant a kind of self-lubricating ball screw especially, it can change fuel reserve tank at any time, and lubrication unit can not influence the configuration of nut two ends scraping brushing device originally, more can effectively save space, the product specification of fuel reserve tank and maintain efficient with lifting.
Background technique
Because linear transmitting assemblies product is more and more extensive in the utilization scope of modern industry, various linear transmitting assemblies products have entered within human lives, processing factory and the high technology equipment, for example widely: linear slide rail, ball screw or the like; Among the particularly general large-scale precision facility big and small different ball screws or linear slide rail system are installed more, though the development of linear transmitting assemblies technology is very rapid, but the consumption user still needs technology constantly to promote, therefore also produce many problems still leaved for development, particularly stable at many needs, quiet high-accuracy manufacturing industry facility field is more continuous that the improved voice of research and development is arranged, and adds the research and development improvement again so the some techno peasant's point poles of present linear transmitting assemblies are treated the personage.
At present general ball screw lubrication system all is as shown in Figure 1, outer spiral shell at each screw rod 10 is provided with nut 11, and be equipped with scraping brushing device 111 in nut 11 2 side edge, and be synchronized with that spiral shell is provided with two externally connected type fuel tanks 12 on the screw rod 10, two fuel tanks 12 connect respectively and are located at this nut 11 2 sides, and in fuel tank 12, use the lubricated part 121 that contains lubricant oil to abut against contact screw rod 10, and produce lubrication effect; Aforementioned existing product is subjected to the underlying cause influence and causes it impracticable:
One, because nut 11 2 side edge are equipped with scraping brushing device 111, and two fuel tanks, 12 positions are outside scraping brushing device 111, well imagine, should lubricated part 121 abutting against basic most being stopped by scraping brushing device 111 of lubricant oil that contact screw rod 10 coated strikes off, and causes the problem of lubricated uncertain, invalid accumulation oil plant and oil plant waste;
They are two years old, during aforementioned existing practice, the running use of this screw rod 10 can cause the consumption of lube stock in the fuel tank 12, after oil plant uses, the user must be with 10 whole of screw rods by pulling down on the board, could allow fuel tank 12 break away from and change another new fuel tank 12, and must do assembling again more again and proofread and correct, time-consuming effort does not again very meet the requirement of maintenance efficient.
So the demand that solves foregoing problems is along with the exploitation utilization of linear transmission ball screw is more and more universal and urgent gradually, the production maintenance is easy, the good ball screw of lubrication effect more becomes production firm's most important selling point when competition, therefore, how to develop the ball screw that more meets user's demand and become the industry emphasis in when research and development.
Nowadays industry active service product has a kind of U. S. Patent case of the following explanation of technology of improvement:
Existing product U. S. Patent US 6 as Fig. 2-A, 364,058 B1 number, after wherein nut 13 is installed on screw rod 15 with fuel tank 14 phase screw locks, external side brim at fuel tank 14 sets scraping brushing device 16 in addition, this scraping brushing device 16 is by a pedestal 161, one scrapes brush ring 162 and a capping 163 combines and sees also Fig. 2-B, be positioned at outside lube stock that outermost scraping brushing device 16 can prevent fuel tank 14 is barred from by accident, but, aforementioned ball screw system is screw lock nut 13 one by one, two fuel tanks 14 and two side scraping brushing devices 16, not only complex structure, installation is difficult for, and scraping brushing device 16 assemblies are many, the cost height.
In order effectively to solve aforementioned issues associated, research and development technology and experience that creator of the present invention was accumulated in linear transmitting assemblies field based on the past, can not influence scraping brushing device configuration originally, save the space of fuel reserve tank and can promote the self-lubricating ball screw that maintains efficient from need not too much to assemble the market demand angle assistant of maintenance process, develop finally lubrication unit.
Summary of the invention
First purpose of the present invention provides a kind of self-lubricating ball screw that scraping brushing device disposes originally, lubrication effect is good of can avoiding influencing.
For reaching above-mentioned purpose, the present invention assembles this lubrication unit and is positioned within the nut, and the one end exposes the contact screw rod, and this lubrication unit holds in addition and fuel reserve tank joins, and allows lubrication unit absorb the interior lubricant oil of fuel reserve tank; Allow lubrication unit can not influence the configuration of nut two ends scraping brushing device originally by this, can prevent that also lubrication effect is subjected to scraping brushing device and offsets, more can effectively save space, simplification product specification and the assembly cost of fuel reserve tank.
Another object of the present invention provides a kind of simple in structure, easy self-lubricating ball screw of installation.
The present invention has an external fuel reserve tank, and this fuel reserve tank one side offers allows that quick detach that screw rod passes through holds mouthful, and the one side is adopted fit design with nut; By this, the present invention can directly utilize quick detach to hold mouth and dodge screw rod and allow fuel reserve tank change fast, can simplify in the past structure and installing/dismounting operating efficiency really, so the present invention is a kind of self-lubricating ball screw that meets market demands really.
The technology of relevant this case invention by reaching above-mentioned purpose, being adopted, means and other effect, now after enumerating several preferred embodiments and cooperating first embodiment explanation of Fig. 3, Fig. 4 and Fig. 5, believe purpose, feature and other advantage of this case invention, go deep into and concrete understanding when getting one thus.
Self-lubricating ball screw of the present invention mainly comprises a screw rod 20, a nut 30, two lubrication units 40 and two external fuel reserve tanks 50; These nut 30 utilization screws 31 are engaged on the screw rod 20, wherein:
This nut 30, in nut 30, offer a shallow storage space 32, and the corresponding screw rod 20 of these shallow storage space 32 1 ends is provided with opening port 321, shallow storage space 32 the other ends are then outwards offered one and are absorbed mouthfuls 322 to prolong screw rod 20 axial in nut 30 sides, and there is system to establish a locating slot 33 at corresponding mouthful 322 places that absorb of nut 30, offer wiper containing groove 34 in nut 30 ends in addition, and the opening port 321 relative wiper containing grooves 34 of shallow storage space 32 are positioned at inboard of nut 30;
This lubrication unit 40, embedding compel to be positioned in the shallow storage space 32 of this nut 30, and these lubrication unit 40 1 ends are provided with protuberance 41, and this protuberance 41 stretches out the opening port 321 of this shallow storage space 32, and protuberance 4
1 corresponding this screw rod 20 of contact, in addition 40 pairs of this lubrication units should shallow storage space 32 absorption mouth 322 places be manufactured with an absorbent portion 42;
This fuel reserve tank 50, lube stock is housed in it, and fuel reserve tank 50 is positioned at nut 30 sides, the protrusion bell and spigot joint 51 of this fuel reserve tank 50 utilizations one output lube stock wears in the locating slot 33 that is positioned at these nut 30 corresponding absorption mouthful 322 places, and this protrusion bell and spigot joint 51 is resisted against the absorbent portion 42 of this lubrication unit 40, other makes fuel reserve tank 50 be horseshoe type at the quick detach appearance mouth 52 that these fuel reserve tank 50 1 sides offer the screw rod 20 of dodging, and this quick detach appearance mouth 52 allows that screw rod 20 radially passes through;
Two scraping brushing devices 60, embedding are compeled to be positioned in the wiper containing groove 34 of these nut 30 ends;
The above is the correlation position and the general introduction thereof of each associated component of the present invention.
Aforesaid shallow storage space 32 can be the open elongated slot of a side, or partly imbeds the undercut of nut 30, only need locate 40 energy designing requirements according to the invention of lubrication unit, states clearly at this in advance.Using the present invention to produce effect is: space, simplification product specification and the assembly cost that more can effectively save fuel reserve tank.
The present invention can directly utilize quick detach to hold mouth and dodge screw rod and allow fuel reserve tank change fast, can simplify in the past structure and installing/dismounting operating efficiency really
Description of drawings
Fig. 1 is a prior art basic comprising schematic representation.
Another prior art three-dimensional exploded view of Fig. 2-A.
Another prior art wiper product structural upright exploded view of Fig. 2-B.
Fig. 3 first embodiment's assembled sectional view.
Fig. 4 first embodiment's fuel tank exploded perspective view.
Fig. 5 first embodiment's nut and lubrication unit three-dimensional combination figure.
Fig. 6 second embodiment's lubrication unit, nut and screw rod sectional view.
Fig. 7 the 3rd embodiment's exploded perspective view.
Fig. 8 the 3rd embodiment's assembled sectional view.
Fig. 9 the 4th embodiment's assembled sectional view.
Figure 10 the 5th embodiment's assembled sectional view.
Symbol description
" prior art "
Screw rod 10 nuts 11
Scraping brushing device 111 fuel tanks 12
Lubricated part 121
Screw rod 15 scraping brushing devices 16
Capping 163
" the present invention "
Screw rod 20
Shallow storage space 32 opening ports 321
Quick detach holds mouth 52
Scraping brushing device 60
Circular groove A1 is through hole A2 radially
Axial aperture A3 annular lubrication unit A4
Conducting subassembly A5 absorbent portion B1
Embodiment
Clearly demonstrate the first embodiment of the present invention for asking, below all assemblies of explanation first embodiment, action change, and operate explanation at Fig. 3, Fig. 4 in advance and describe:
Because offering quick detach, fuel reserve tank 50 1 sides of the present invention hold mouth 52, and this quick detach holds mouth 52 and allows that screw rod 20 radially passes through, so user of the present invention changes the easy to operate of fuel reserve tank 50, the user only need allow and extract in the locating slot 33 of protrusion bell and spigot joint 51 by this nut 30 of fuel reserve tank 50, directly upwards mention fuel reserve tank 50 again, can utilize quick detach to hold mouthfuls 52 screw rods 20 of dodging and finish very easy replacing, dismantling operation; On the other hand, it is opposite with aforementioned process that the present invention installs the operating process of fuel reserve tank 50, but the usefulness of easy operation exists equally.
In addition, though 60 embeddings of the present invention's two scraping brushing devices are compeled to be positioned in the wiper containing groove 34 of these nut 30 ends, but because the opening port 321 relative wiper containing grooves 34 of the shallow storage space 32 of nut 30 are positioned at nut 30 inboards, and allow the protuberance 41 of this lubrication unit 40 stretch out opening port 321 contact screw rods 20, the present invention can make externally connected type fuel reserve tank 50 mats protrude bell and spigot joint 51 output lube stocks and give this lubrication unit 40, utilizes lubrication unit 40 to export lube stocks by interior leap scraping brushing device 60 to protuberance 41 again; Though so quick disassembled externally connected type fuel reserve tank 50 is adopted in design of the present invention, can use simple nut 30 end scraping brushing devices 60 equally, the defective that scraping brushing device 60 removes brand-new lube stock can not take place.
See also the present invention second embodiment shown in Figure 6 again, the structure of second embodiment of the invention is as follows:
This lubrication unit 40 be provided with two protuberances 41, use the two teeth designs that cooperate this screw rod 20, more effective transmission effect of reaching lube stock, two protuberances 41 touch two adjacent alveolus of screw rod 20 or the alveolus more than two teeth simultaneously.
The third embodiment of the present invention then is described, below explanation please refer to Fig. 7, shown in Figure 8 carrying out:
The shallow storage space 32 of this nut 30 is directly to make a circular groove A1, radially through hole A2 and an axial aperture A3 form, this circular groove A1 connects radially through hole A2, this through hole A2 this axial aperture of conducting A3 then radially, and the mat aforementioned arrangements allows circular groove A1 become opening port, this axial aperture A3 then to be become and absorb mouthful;
In regular turn an annular lubrication unit A4 and a scraping brushing device 60 are inserted circular groove A1 location, this radially inserts a conducting subassembly A5 in the through hole A2, and conducting subassembly A5 one end in contact should annular lubrication unit A4, and the protrusion bell and spigot joint 51 of this fuel reserve tank 50 utilizations one output lube stock wears the absorption mouth that is positioned at this nut 30 and is this axial aperture A3, and conducting subassembly A5 passes to annular lubrication unit A4 with the lube stock derivation in this lubrication unit 40, provides lube stock by the corresponding screw rod 20 of annular lubrication unit A4 again;
Because being the relative scraping brushing device 60 of this circular groove A1, the opening port of shallow storage space 32 is positioned at inboard of nut 30; So an embodiment can adopt quick disassembled externally connected type fuel reserve tank 50 equally, the defective that scraping brushing device 60 removes brand-new lube stock can not take place too.
See also the 4th embodiment shown in Figure 9 again, allow the protuberance 41 of this lubrication unit 40 stretch out the opening port 321 contact screw rods 20 of this shallow storage space 32, make an outstanding absorbent portion B1 at an end of this lubrication unit 40 in addition, this absorbent portion B1 can outwards be exposed to this nut 30 sides, and the mode of locating when fuel reserve tank 50 is positioned nut 30 sides for example: embedding is compeled, is spirally connected or the like, and this outstanding absorbent portion B1 can stretch in this fuel reserve tank 50 and draw lube stock.
At last, see also the 5th embodiment shown in Figure 10, the simplest mode of execution of the 5th embodiment the present invention, it can produce the surcharge that reduces cost outside the script effect, so be one of preferable enforcement of the present invention:
This nut 30, in nut 30, offer a shallow storage space 32, and the corresponding screw rod 20 of these shallow storage space 32 1 ends is provided with opening port 321, shallow storage space 32 the other ends are then outwards offered one and are absorbed mouthfuls 322 to prolong screw rod 20 axial in nut 30 sides, and outside shallow storage space 32 1 side direction, be manufactured with radially through hole C1, and it is inboard that the corresponding opening port 321 relative wiper containing grooves 34 of the radially through hole C1 of shallow storage space 32 are positioned at nut 30, and these nut 30 corresponding absorption mouthful 322 places are provided with and lead to the radially locating slot 33 of through hole C1 in addition;
This lubrication unit C2 is shaft-like, and embedding compels to be positioned in the radially through hole C1 of shallow storage space 32 of this nut 30, and this lubrication unit C2 one end is provided with the opening port 321 that protuberance C21 stretches out this shallow storage space 32, and protuberance 41 corresponding these screw rods 20 of contact;
This fuel reserve tank 50, lube stock is housed in it, and fuel reserve tank 50 is positioned at nut 30 sides, the protrusion bell and spigot joint 51 of this fuel reserve tank 50 utilizations one output lube stock wears in the locating slot 33 that is positioned at these nut 30 corresponding absorption mouthful 322 places, and because locating slot 33 leads to radially through hole C1, this protrusion bell and spigot joint 51 is resisted against this lubrication unit C2 and reaches lubricated the absorption;
Present embodiment uses radially that through hole C1 can put this shaft-like lubrication unit C2 of people simply fast, effectively simplifies product assembling and assembly cost, is a preferable enforcement aspect really.
This creation major function is the fuel reserve tank design that is used in the formula of can changing at any time, when fuel reserve tank is fixed in the end of nut, fuel reserve tank can conduct the lubrication unit in the contact contact nut, and the lube stock in the fuel reserve tank is conducted to lubrication unit and then lubricated screw rod in the nut.
In addition, the aforementioned placement space can be that the invalid alveolus collocation that no steel ball passes through in the utilization nut is made, consolidate invention and can utilize invalid alveolus on its nut, make shallow storage space to insert the effective alveolus on the directly lubricated screw rod of a lubrication unit in the invalid alveolus on the nut also corresponding to the characteristic of the effective alveolus on the screw rod.
In sum, the innovation structure design of this case comprises a nut, a screw rod, at least one lubrication unit and at least one external fuel reserve tank, this lubrication unit assembling is positioned within the nut, the one end exposes the contact screw rod, and this lubrication unit end in addition joins with fuel reserve tank, and allow lubrication unit absorb the interior lubricant oil of fuel reserve tank, and this fuel reserve tank one side offers the quick detach appearance mouth of allowing that screw rod passes through; The mat quick detach holds mouthful can change fuel reserve tank at any time, and lubrication unit can cross over scraping brushing device and carry out oil suction, and can not influence the configuration of nut two ends scraping brushing device originally, more can effectively save fuel reserve tank the space, simplify product specification and promote maintenance efficient; So the present invention has the utilizability of linear transmitting assemblies industry should be unquestionable, in addition, the feature technology of being exposed in this case embodiment, before application, also do not see all publications, also be not disclosed use, had the fact of effect enhancement as mentioned above, novelty of the present invention and progressive have all met patent statute, the whence proposes the application of patent of invention in accordance with the law, requests and gives examination and grant quasi patent early, and the true feeling moral just.
Claims (6)
1. self-lubricating ball screw, it mainly includes, and a screw rod, is screwed on the nut on the screw rod, at least one lubrication unit and at least one fuel reserve tank; It is characterized in that: this nut, offer a shallow storage space within it, and the corresponding screw rod of this shallow storage space one end is provided with opening port, and shallow storage space is outwards offered one in pane in addition and is absorbed mouthful;
This lubrication unit, be positioned in the shallow storage space of this nut, and this lubrication unit one end is provided with protuberance, and this protuberance is stretched on the opening port and the contact screw rod of this shallow storage space, in addition at this lubrication unit absorption mouth place that should shallow storage space is manufactured with an absorbent portion;
This fuel reserve tank, lube stock is housed in it, and fuel reserve tank is positioned at the nut side, the lube stock of this fuel reserve tank contacts the absorbent portion of this lubrication unit and outwards exports, offer the quick detach appearance mouth of the screw rod of dodging in addition in this fuel reserve tank one side, and this quick detach appearance mouth allows that screw rod radially passes through.
2. self-lubricating ball screw according to claim 1, it is characterized in that: this nut absorbs mouthful place's side burr in correspondence and establishes a locating slot, offer the wiper containing groove at the nut side in addition, and the relative wiper containing groove of the opening port of shallow storage space is positioned at inboard of nut;
The protrusion bell and spigot joint of this fuel reserve tank utilization one output lube stock wears in the locating slot that is positioned at the corresponding absorption of this nut mouthful place, and this protrusion bell and spigot joint is resisted against the absorbent portion of this lubrication unit;
At least one scraping brushing device, embedding compel to be positioned in the wiper containing groove of this nut side.
3. self-lubricating ball screw according to claim 1, it is characterized in that: the absorbent portion of this lubrication unit is made into standing shape, and this absorbent portion outwards is exposed to this pane, and the interior lube stock of drawing of this fuel reserve tank should outstanding absorbent portion be stretched into season in the fuel reserve tank location.
4. self-lubricating ball screw according to claim 1, it is characterized in that: the shallow storage space of this nut, and this shallow storage space is linked by a circular groove, at least one radially through hole and at least one axial aperture, this circular groove connects radially through hole, this through hole this axial aperture of conducting then radially, and the mat aforementioned arrangements allows circular groove become opening port, this axial aperture then to be become and absorb mouthful;
This lubrication unit is an annular;
Other comprises a scraping brushing device and a conducting subassembly, in regular turn an annular lubrication unit and a scraping brushing device are inserted the circular groove location, radially then insert this conducting subassembly in the through hole at this, and conducting subassembly one end in contact should the annular lubrication unit, and this fuel reserve tank utilization one protrusion bell and spigot joint wears the absorption mouth that is positioned at this nut, and this conducting subassembly is held in addition then the lube stock in this lubrication unit to be derived and passed to annular lubrication unit.
5. self-lubricating ball screw according to claim 2, it is characterized in that: the shallow storage space of this nut outwards is manufactured with radially through hole, and it is inboard that the relative wiper containing groove of the corresponding opening port of the radially through hole of shallow storage space is positioned at nut, and the corresponding absorption of this a nut mouthful place is provided with and leads to the radially locating slot of through hole in addition;
This lubrication unit is shaft-like, and embedding is compeled to be positioned in the radially through hole of shallow storage space of this nut;
The protrusion bell and spigot joint of this fuel reserve tank utilization one output lube stock wears in the locating slot that is positioned at this nut, and because locating slot leads to radially through hole, this protrusion bell and spigot joint is resisted against this lubrication unit and reaches lubricated the absorption.
6. according to claim 1,2,3,4 or 5 described self-lubricating ball screws, it is characterized in that: this lubrication unit is provided with plural protuberance, to cooperate the plural tooth of this screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610064866 CN101038021A (en) | 2006-03-16 | 2006-03-16 | Self-lubricating ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610064866 CN101038021A (en) | 2006-03-16 | 2006-03-16 | Self-lubricating ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101038021A true CN101038021A (en) | 2007-09-19 |
Family
ID=38889107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610064866 Pending CN101038021A (en) | 2006-03-16 | 2006-03-16 | Self-lubricating ball screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101038021A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718301B (en) * | 2008-10-09 | 2012-02-29 | 全球滚珠科技股份有限公司 | Ball screw rod device |
| TWI385318B (en) * | 2010-10-07 | 2013-02-11 | Hiwin Tech Corp | Lubrication apparatus for ball screw |
| CN106113309A (en) * | 2016-08-18 | 2016-11-16 | 四川远星橡胶有限责任公司 | A kind of banbury with feeding device |
| CN106641206A (en) * | 2015-11-02 | 2017-05-10 | 上银科技股份有限公司 | Transmission assembly with self-lubricating device |
| CN106838180A (en) * | 2015-11-12 | 2017-06-13 | 罗伯特·博世有限公司 | Actuator with the elastic element for volume balance |
-
2006
- 2006-03-16 CN CN 200610064866 patent/CN101038021A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718301B (en) * | 2008-10-09 | 2012-02-29 | 全球滚珠科技股份有限公司 | Ball screw rod device |
| TWI385318B (en) * | 2010-10-07 | 2013-02-11 | Hiwin Tech Corp | Lubrication apparatus for ball screw |
| CN106641206A (en) * | 2015-11-02 | 2017-05-10 | 上银科技股份有限公司 | Transmission assembly with self-lubricating device |
| CN106641206B (en) * | 2015-11-02 | 2019-06-07 | 上银科技股份有限公司 | With the transmission component from profit device |
| CN106838180A (en) * | 2015-11-12 | 2017-06-13 | 罗伯特·博世有限公司 | Actuator with the elastic element for volume balance |
| CN106838180B (en) * | 2015-11-12 | 2020-09-15 | 罗伯特·博世有限公司 | Actuator with elastic element for volume compensation |
| CN106113309A (en) * | 2016-08-18 | 2016-11-16 | 四川远星橡胶有限责任公司 | A kind of banbury with feeding device |
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