CN102182808B - Spindle drive mechanism with lubrication oil area in seal area - Google Patents
Spindle drive mechanism with lubrication oil area in seal area Download PDFInfo
- Publication number
- CN102182808B CN102182808B CN201010625064.2A CN201010625064A CN102182808B CN 102182808 B CN102182808 B CN 102182808B CN 201010625064 A CN201010625064 A CN 201010625064A CN 102182808 B CN102182808 B CN 102182808B
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- China
- Prior art keywords
- lead
- lubricant oil
- screw
- screw drive
- seal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
- B29C45/661—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould clamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
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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
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H25/2418—Screw seals, wipers, scrapers or the like
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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
- 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
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Transmission Devices (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The spindle drive (1) has a lubrication oil seal (4) that limits a lubrication area (S) and lies at a spindle (2), where the lubrication oil seal is placed at an end of lubrication area. Another lubrication oil seal (5) lies at the spindle. The latter lubrication oil seal is placed at the end of lubrication area. A lubricating oil outlet (6) is arranged between the both lubrication oil seals.
Description
Technical field
The present invention relates to a kind of lead-screw drive mechanism for injection molding machine, comprise a leading screw, feed screw nut, a lubrication district between leading screw and feed screw nut and a seal area.
Background technique
This kind of lead-screw drive mechanism also referred to as ball-screw transmission mechanism, such as, is used for making the elbow-bar mechanism of injection molding machine closed side (matched moulds side) to move.
To this, JP 2003-011196 discloses a kind of lead-screw drive mechanism for injection molding machine injection side.Describe two seal arrangements being arranged in and feed screw nut pointing to leading screw in the publication.Wherein, these two seal arrangements form a seal area separately, form the lubrication district of lead-screw drive mechanism between which.Lubricant oil is entered among the lubrication district between leading screw and feed screw nut by the supply line in feed screw nut.Discharge conduit is equally also arranged among feed screw nut.Although the lubricant oil still flowed out for there is seal oil device, is provided with one for receiving the oil drip pan of the machine oil of drippage below lead-screw drive mechanism.
With in the glossy slip lead-screw drive mechanism of seal arrangement, Problems existing is: because speed and load are very high, although take seal oil measure, lubricant oil also can flow out from lubrication district, and the surrounding environment of injection molding machine of directly making dirty.For preventing this situation, such as, have employed the measure of whole lead-screw drive mechanism sealing cover in addition by prior art is known, but this measure is very complicated and expensive.
Summary of the invention
Therefore the object of the invention is to, a kind of lead-screw drive mechanism be compared with prior art improved is provided.Especially, less lubricant oil should be made to flow out from lead-screw drive mechanism, thus stop lubricant oil to drip from leading screw as far as possible.To provide in addition a kind of in simple, the structure of lead-screw drive mechanism uncomplicated seal oil device, and a kind of clean and be suitable for the lead-screw drive mechanism of cleanroom's application.Again should be able to recycle lubricant oil in addition, and find a kind of measure be fed to by lubricant oil in a simple manner decoupled among oiling agent region.
For this reason, the invention provides a kind of lead-screw drive mechanism for injection molding machine, comprise a leading screw, feed screw nut, a lubrication district between leading screw and feed screw nut and a seal area, it is characterized in that, be provided with in described seal area: one is positioned at lubrication one end, district, forms the border in lubrication district and the first seal oil device be close on leading screw; One is positioned at and lubricates district's same side, is arranged on that side of lubricating district dorsad of the first seal oil device and is close to the second seal oil device on leading screw as described first seal oil device; And a lubricant oil drainage port between described first seal oil device and described second seal oil device; Described feed screw nut rotatably drives, described leading screw is by the translational motion of feed screw nut energy, wherein, described leading screw is connected with the crosshead of an elbow-bar mechanism of the closed side of injection molding machine, and described elbow-bar mechanism makes moveable die clamping plate move relative to an end plate.
According to the present invention, be provided with in seal area: one is positioned at lubrication one end, district, forms lubrication border, district and the first seal oil device be close on leading screw; One is located at and lubricates district's same side, is arranged on that side of lubricating district dorsad of the first seal oil device and is close to the second seal oil device on leading screw as the first seal oil device; And a lubricant oil drainage port between the first seal oil device and the second seal oil device.
Therefore, different from JP 2003-011196, lubricant oil drainage port is not arranged among lubrication district, but among seal area, like this, although the lubricant oil that there is the first seal oil device and still flow out from lubrication district just can be scraped off by the second seal oil device be arranged in thereafter same seal area, and is derived by lubricant oil drainage port.In order to be improved further this, the 3rd and more seal oil device and lubricant oil drainage port can be set in seal area.Thus, adopt the present invention, even if lubricant oil flows out from leading screw after the first seal oil device, still can implement further lubricant oil to be scraped off from leading screw pointedly and derive.
According to a kind of embodiment of the present invention, can specify: be fixed on feed screw nut to major general first seal oil device; Preferably implement flexible program according to another, can specify: also the second seal oil device is arranged on feed screw nut, but it is fixed on feed screw nut relative to the first seal arrangement in that side of lubricating district dorsad.Seal area is preferably placed among the region of sensing elbow-bar mechanism of lead-screw drive mechanism.So just make the first seal oil device towards the lubrication district between leading screw and feed screw nut, and play the second seal oil device that frizing (gear oil) acts on and be arranged among lead screw gear in curved bar side.
If seal oil device is arranged on feed screw nut, then preferably specify: lubricant oil drainage port is the delivery port in feed screw nut.Such as, lubricant oil can drip from this delivery port or flow out among the housing region of encirclement.But also lubricant oil drainage port only can be designed the free space become between the first and second seal oil devices in principle.
Seal oil device is close on leading screw by the slim lubricant film be attached between seal arrangement and leading screw on leading screw.Can prevent from like this producing too large frictional heat because of the friction between the rubber constituent element of seal arrangement and the steel of leading screw.Due to the adhesion between slim lubricant film and leading screw, drippage need not be worried, thus lead-screw drive mechanism outside also need not be worried to make dirty.Therefore for the present invention, equally also can use wording frizing district (Abstreifbereich, Dang You district) and oil wiper (Abstreifer, oil strainer) come alternative wording seal area and seal arrangement, although simultaneously have seal arrangement, also can some outflow of lubrication oil (in a desired manner) slightly.So particularly preferably specify: make the cross-sectional profiles of the conformable region of seal oil device and leading screw suitable, preferably through frizing lug boss.The cross-sectional profiles of leading screw is made up of teeth portion and thread groove portion.
Generally speaking, although can lead-screw drive mechanism of the present invention is used among the zones of different of injection molding machine, preferably this lead-screw drive mechanism be used in the closed side (matched moulds side) of injection molding machine.At this, preferred whole driving mechanism can run in this wise, namely, rotatably drive feed screw nut, and leading screw translational motion can be made by feed screw nut, described leading screw is connected with the crosshead of the elbow-bar mechanism of injection molding machine closed side, and elbow-bar mechanism makes moveable die clamping plate move relative to end plate.
Preferably, can specify: below lead-screw drive mechanism or below its shell, the lubricant oil for corresponding derivation arranges a drip tray.In addition to be on the safe side, a drip tray for lubricant oil can also be set in the below at least partially of leading screw.Thus preferably, drip tray is divided into two-part, wherein second portion and injection molding machine standing part, be particularly connected with end plate, and be at least partially disposed on the below of the first portion of described drip tray, the active part of this first portion and injection molding machine, to be such as connected with the crosshead of elbow-bar mechanism, the lubricant oil that second portion storage is flowed out from first portion.
In order to ensure to realize lubricant oil supply (lubricant oil supply does not rely on and runs independent of feed screw nut and arrange) in a simple manner decoupled, preferably specify: in leading screw, construct the lubricant oil supply line that leads to lubrication district.So just by the feed screw nut supplying lubricating oil rotated, otherwise need not can bring many problems (such as lubricant oil is dished out to the periphery and past external penetration under centrifugal action).At this, for realizing fuel feeding, the front area of leading screw arrange one extend substantially transversely to leading screw axis and pass into lubrication district among supply orifice supply boring in other words.
In order to the lubrication of realizing ideal, avoid producing too large heat simultaneously in lubrication district, preferably can specify: carry out lubricant oil supply according to the temperature measured in lubrication district especially lubricating oil temperature.Such as can utilize and in lubrication district, directly be arranged at sensor among a sheath to infer lubricating oil temperature, and by control system by fresh, send among lubrication district preferably through the lubricant oil of cooling.Or, also can specify: carry out lubricant oil supply according to beat or according to work cycle, or replace this according to beat, the lubricant oil supply carried out according to work cycle, at supply lubricant oil again after certain work cycle number of times.It is also possible for continuing to carry out lubricant oil supply.
Alternatively preferred embodiment, can specify: be arranged on by feed screw nut among the shell be connected with end plate, and this shell has the lubricant oil drainage aperture be connected with lubricant oil discharge conduit.Described shell is preferably direct to be connected with end plate, thus forms such region, that is, the feed screw nut driven by an independent driving device can be rotated in this region.At this, the effect of the discharge conduit set by this embodiment is: on the one hand the lubricant oil of deriving pointedly via two seal oil devices and lubricant oil drainage port designed according to this invention from lubrication district and the lubricant oil needed for being rotated by lubrication feed screw nut are on the other hand derived and as far as possible again recycled from housing region.Can preferably specify in addition: on shell, extend substantially transversely to leading screw axis arrange a cover plate, this cover plate has the break-through aperture for leading screw.At this, described cover plate also can be used as the oil guard device be thrown off due to feed screw nut rotary motion, in case lubricant oil is discharged and injection molding machine of making dirty.At this, described cover plate towards elbow-bar mechanism, and is arranged in after the second seal oil device (i.e. downstream).
In order to prevent loss of lubrication, and maintaining long-acting as far as possible lubrication system, can preferably specify: discharge conduit, also have drip tray, lubricant oil collection container, lubricating pump and supply line to form a lubrication oil circulation loop if desired.Except these parts in lubrication oil circulation loop, lubricating oil filter and lube oil cooler can also be set in supply line region.
A kind of injection molding machine of application protection in addition, it comprises lead-screw drive mechanism as above.
Accompanying drawing explanation
Hereinafter with reference to embodiment shown in the drawings according to for the description of the drawings, other advantages of the present invention and details are explained in detail.Relevant drawings is as follows:
Accompanying drawing 1 lead-screw drive mechanism together with the cross-sectional schematic of end plate and toggle link system,
The Part portions detail drawing of lead-screw drive mechanism shown in accompanying drawing 2 accompanying drawing 1,
Accompanying drawing 3 has the lead-screw drive mechanism of the oiling agent circulation loop of indicative icon,
The schematic diagram of accompanying drawing 4 three seal oil devices,
The schematic diagram of accompanying drawing 5 other than ring type seal arrangement (oil wiper),
Accompanying drawing 6 seal arrangement or there is the view of oil wiper of frizing lug boss, and
The cross sectional representation in seal area or frizing district shown in accompanying drawing 7 accompanying drawing 5.
Embodiment
Attachedly Figure 1 shows that the most sectional view of injection molding machine closed side.Elbow-bar mechanism 9 shown in figure is in outwardly directed position, is thus exactly to be in closed (matched moulds) or injection position.The moveable die clamping plate motion that the leading screw 2 of translational motion drives this elbow-bar mechanism 9 to leave end plate 10 (and return) not draw in figure via crosshead 8.By around the feed screw nut 3 of leading screw axis A rotary actuation, the translational motion of leading screw 2 own can be driven.At this, realize this motion conversion by the rolling element 31 being engaged on ball in the thread groove portion 22 between leading screw 2 teeth portion 21 or roller shape.Owing to there will be frictional heat with this, thus will by being configured in lubricant oil supply line 12 among leading screw 2 to this lubrication district S supplying lubricating oil 7.Lubricant oil 7 preferably through cooling is entered among lubrication district S by lubricant oil supply line 12 and the supply orifice 30 extending substantially transversely to leading screw axis A formation.Flow out from this lubrication district S or from the whole region of lead-screw drive mechanism 1 to prevent lubricant oil 7, on the one hand be provided with a leading screw sleeve 20, be provided with on the other hand according to seal oil device 4 and 5 of the present invention and disposed therein between lubricant oil drainage port 6.As shown in this accompanying drawing 1, when leading screw 2 moves right, by seal oil device 4, most of lubricant oil 7 is remained among lubrication district S.But still have lubricant oil 7 and continue to penetrate into forward among the D of seal area, therefore second seal oil device 5 is had to be close on leading screw 2 there, thus prevent most of lubricant oil 7 from continuing to flow out (being scraped off), and can be discharged by the delivery port 6 in feed screw nut 3.The lubricant oil 7 of discharging therefrom is caught by the shell be fixedly linked with end plate 10 of lead-screw drive mechanism 1, and can be exported via the discharge conduit 15 do not drawn in figure by lubricant oil drainage aperture 14.As shown in this accompanying drawing 1, can arrange a drip tray 11, described drip tray has one and is connected and the first portion 11a slightly tilting or have a down dip with crosshead 8, and has a second portion 11b be arranged on end plate 10.When whole elbow-bar mechanism 9 comprises crosshead 8 and leading screw 2 towards when opening (die sinking) direction namely to left movement, also the first portion 11a of drip tray 11 can be made towards the motion of end plate 10 direction and " passing " this end plate, enter among the region above drip tray 11 second portion 11b.If be configured with drip tray 11, then the discharge conduit 15a of leakage of oil for dripping from shell 13 on right side can be set, because directly can receive leakage of oil in drip tray 11.Storage although there is the discharge conduit 15a on right side, to be on the safe side, still drip tray 11 can be set, so that from shell 13 or the lubricant oil flowing out from leading screw 2 or drip, may prevent injection molding machine of making dirty.
In fig 2, lubrication district S and seal area D is presented as the region separated of lead-screw drive mechanism 1 again, and wherein, lubricant oil drainage port 6 is configured between the first seal oil device 4 and the seal oil device 5 lubricating district dorsad.Two seal oil devices 4 contact with leading screw 2 with its conformable region adapting to leading screw 2 cross-sectional profiles with 5.At this, be engaged in thread groove portion 22 frizing lug boss 32 accurate fit of conformable region.Add the cover plate 16 one with leading screw 2 break-through aperture 17 towards moveable die clamping plate to be subsequently fixed on shell 13.Or, also this cover plate 16 can be directly fixed on end plate 10.
In lead-screw drive mechanism 1, not only lubricate in district S and need lubricant oil 7, and especially in the region of rolling bearing 33, also need lubricant oil in the swivel bearing district of feed screw nut 3.Lubricant oil 7 arrives this region via lubrication district S by going to the connecting passage 26 of rolling bearing 33 from lubricating pipe 12, and forms oil sump 34 there.By two feed screw nut seal arrangements 24, this region is sealed.Because lubricant oil drainage aperture, left side 14b (difference to that indicated in the drawings) designs in side direction and slightly improves in shell 13, therefore stable lubricating oil level can be kept in oil sump 34.Whole feed screw nut 3 can be driven by belt gear 25 in the scope of region 35 by the motor do not drawn in figure.Reference character T represents the sensor for detecting lubricating oil temperature, can be arranged among oil sump 34.
Accompanying drawing 3 further schematically illustrates oiling agent circulation loop K.Wherein, lubricant oil 7 is entered lubrication district S from lubricant collection container 18 by the lubricating pump 19 driven by motor M and the supply line 12 comprising supply boring 30.Can arrange lubricating oil filter 28 and lube oil cooler 29 in supply line 12 region, the lubricating oil temperature such as measured according to sensor T to control it or regulates.Not only derive lubricant oil by the lubricant oil drainage aperture 14a shown in lubricant oil drainage port 6 and right side but also by lubricant oil drainage aperture, the left side 14b at oil sump 34 place subsequently.Have discharge conduit 15a and 15b to turn back to lubricant oil collection container 18 respectively from two lubricant oil drainage aperture 14a and 14b, lubricant oil 7 also can drop onto drip tray 11 from lubricant oil drainage aperture, right side 14a.
Also can find out in this accompanying drawing 3, leading screw 2 is how to enter among the space that surrounded by leading screw sleeve 20 when moving towards opening direction.This can be seen that, the supply boring 30 of supply line 12 is no longer directly passed in lubrication district S.Can control according to this situation or regulate lubricant oil supply, making only could supplying lubricating oil 7 in the position near operating position.In order to be realized the air balance in space in leading screw sleeve 20 by connecting passage 26, be configured with the air supply hole mouth 23 of a band air-strainer 27, thus can according to the position exclusion of leading screw 2 or withdrawing air.
Shown in Figure 4, three seal oil devices 4,5 and 5 ' are in the seal area D how being arranged on feed screw nut 3 stub area and surround leading screw 2 ringwise.A lubricant oil drainage port 6 and 6 ' is respectively had between seal oil device 4 and 5 or 5 and 5 '.Generally speaking, will not be designed in feed screw nut 3 boring by these lubricant oil drainage ports 6 and 6 ', specifically, seal arrangement 5 can be connected by the main region of each lug boss with feed screw nut 3 with 5 ', thus automatically reserves a narrow zone for lubricant oil drainage port 6 between each seal arrangement 4,5 and 5 '.Seal arrangement or oil wiper itself also can be many lip type and monolithic construction, and can have lubricant oil drainage port 6 (with 6 ') between each frizing lip 4,5 (and 5 ').
Attachedly Figure 5 shows that another kind of flexible program of the present invention, wherein, the seal arrangement 4 and 5 of oil wiper form is arranged essentially parallel to or slightly favours leading screw axis A and is close on leading screw 2.Here the connection between oil wiper 4 and 5 and feed screw nut 3 is not drawn.Because feed screw nut 3 repeatedly can rotate around whole leading screw 2 in leading screw 2 translational motion process, therefore these seal arrangements 4 and 5 will scrape off most of lubricant oil 7 from leading screw 2.The sense of rotation of feed screw nut 3 is unimportant, but can be optimized by each seal arrangement for some sense of rotation.Under any circumstance, the first seal oil device 4 towards lubrication district S all can be used to carry out so-calledly striking off roughly to lubricant oil, and other each seal oil device 5 and 5 ' mainly plays meticulous effect of striking off.
Shown in accompanying drawing 6, seal arrangement or oil wiper 4 and 5 have the frizing lug boss 32 be as far as possible accurately coupled among leading screw 2 thread groove portion 22.That is, these frizing lug bosses 32 and the region that is close to therebetween in teeth portion 21 all suitable with the profile of leading screw 2.These frizing lug bosses 32 not only can configure in the non-wraparound oil wiper 4 and 5 shown in accompanying drawing 5, also can configure in the annular lubricant oil sealing device 4,5 (with 5 ') shown in accompanying drawing 1 to 4.These seal oil devices 4,5 (with 5 ') also can have any oblique position relative to leading screw axis A, or be arranged in feed screw nut 3 with this orientation, can such as make each frizing lug boss 32 be engaged to better among thread groove portion 22.Seal oil device 4,5 (with 5 ') according to laminating angle in addition curved configuration, and can correspondingly adapt to leading screw profile.
The attached cross section that Figure 7 shows that feed screw nut 3 and leading screw 2 shown in respective figure 5.At this, as figure, lubricant oil supply line 12 is among feed screw nut 3, is sent among the lubrication district S between feed screw nut 3 and leading screw 2 by lubricant oil 7 from this supply line via supply boring 30.In the D of seal area, two seal oil devices or oil wiper 4 and 5 are arranged/are fixed in nut screw 3.Construct the lubricant oil drainage port 6 (due to drawing aspect, lubricant oil drainage port 6 is not drawn in the accompanying drawing 5 of correspondence) being arranged in feed screw nut 3 between which.
In general should not get rid of following situation, that is, can also have in one end, toggle link side of lead-screw drive mechanism one end of the toggle link dorsad at feed screw nut 3 or lead-screw drive mechanism 1 that seal area of the present invention is set.So just need not use leading screw sleeve 20.
Moreover, also should not get rid of following situation, that is, use according to lead-screw drive mechanism 1 of the present invention in other region of injection molding machine, wherein rotatably drive leading screw 2, to realize the translational motion of feed screw nut 3.Can specify this: the seal oil device 5 (but also can make the first seal oil device 4) at least making to lubricate dorsad district forms a part for lead-screw drive mechanism 1 on shell 13 element separated with feed screw nut 3, and be close on leading screw 2 and play knife-type oil stripping action.If needed, also break-through aperture 17 inner circumference in cover plate 16 can be arranged an auxiliary seal element 5 ' playing knife-type oil stripping action.
Claims (25)
1. for the lead-screw drive mechanism (1) of injection molding machine, comprise a leading screw (2), feed screw nut (3), one be positioned at lubrication district (S) between leading screw (2) and feed screw nut (3) and a seal area (D), it is characterized in that, be provided with in described seal area (D)
-one is positioned at lubrication district (S) one end, forms the border and the first seal oil device (4) be close on leading screw (2) of lubricating district (S),
-one is positioned at and lubricates district (S) same side, is arranged on that side of lubricating district dorsad of the first seal oil device (4) and is close to the second seal oil device (5) on leading screw (2) as described first seal oil device (4), and
-one lubricant oil drainage port (6) be positioned between described first seal oil device (4) and described second seal oil device (5),
Described feed screw nut (3) rotatably drives, described leading screw (2) is by the translational motion of feed screw nut (3) energy, wherein, described leading screw (2) is connected with the crosshead (8) of an elbow-bar mechanism (9) of the closed side of injection molding machine, and described elbow-bar mechanism (9) makes moveable die clamping plate move relative to an end plate (10).
2. lead-screw drive mechanism according to claim 1, is characterized in that, at least described first seal oil device (4) is fixed on described feed screw nut (3).
3. lead-screw drive mechanism according to claim 1 and 2, is characterized in that, the described second seal oil device (5) lubricating district is dorsad arranged on described feed screw nut (3).
4. lead-screw drive mechanism according to claim 3, it is characterized in that at least also having another seal oil device (5 ') to be arranged on described feed screw nut (3) in that side of lubricating district dorsad of described first seal oil device (4) and described second seal oil device (5).
5. lead-screw drive mechanism according to claim 1 and 2, is characterized in that, described lubricant oil drainage port (6) is a delivery port in feed screw nut (3).
6. lead-screw drive mechanism according to claim 1 and 2, is characterized in that, described seal oil device (4,5) surrounds described leading screw (2) ringwise.
7. lead-screw drive mechanism according to claim 1 and 2, is characterized in that, the conformable region of described seal oil device (4,5) and the cross-sectional profiles of described leading screw (2) suitable.
8. lead-screw drive mechanism according to claim 7, is characterized in that, the conformable region of described seal oil device (4,5) is suitable with the cross-sectional profiles of described leading screw (2) by frizing lug boss (32).
9. lead-screw drive mechanism according to claim 4, is characterized in that, the conformable region of described seal oil device (4,5,5 ') and the cross-sectional profiles of described leading screw (2) suitable.
10. lead-screw drive mechanism according to claim 9, is characterized in that, the conformable region of described seal oil device (4,5,5 ') is suitable with the cross-sectional profiles of described leading screw (2) by frizing lug boss (32).
11. lead-screw drive mechanisms according to claim 1 and 2, is characterized in that, are provided with a drip tray for lubricant oil (7) (11) in the below at least partially of leading screw (2).
12. lead-screw drive mechanisms according to claim 11, it is characterized in that, described drip tray (11) is divided into two-part, wherein second portion (11b) is connected with the standing part of injection molding machine, and be at least partially disposed on the below of the first portion (11a) of described drip tray (11), this first portion (11a) is connected with the active part of injection molding machine; Described second portion (11b) receives the lubricant oil (7) flowed out from described first portion (11a).
13. lead-screw drive mechanisms according to claim 12, is characterized in that, the standing part of described injection molding machine is described end plate (10).
14. lead-screw drive mechanisms according to claim 12, is characterized in that, the active part of described injection molding machine is the crosshead (8) of described elbow-bar mechanism (9).
15. lead-screw drive mechanisms according to claim 1 and 2, is characterized in that, are configured with the lubricant oil supply line (12) that leads to lubrication district (S) in described leading screw (2).
16. lead-screw drive mechanisms according to claim 15, is characterized in that, described lubricant oil supply line is that boring is formed.
17. lead-screw drive mechanisms according to claim 1 and 2, is characterized in that, lubricant oil supply is carried out according to beat.
18. lead-screw drive mechanisms according to claim 1 and 2, is characterized in that, lubricant oil supply carries out according to the temperature (T) measured in lubrication district (S).
19. lead-screw drive mechanisms according to claim 18, is characterized in that, lubricant oil supply carries out according to the lubricating oil temperature measured in lubrication district (S).
20. lead-screw drive mechanisms according to claim 1 and 2, it is characterized in that, described feed screw nut (3) is arranged among the shell (13) that is connected with end plate (10), this shell has lubricant oil drainage aperture (14), and described lubricant oil drainage aperture is connected with the discharge conduit (15) of lubricant oil (7).
21. lead-screw drive mechanisms according to claim 20, it is characterized in that, described shell (13) extends substantially transversely to leading screw axis (A) cover plate (16) that has the break-through aperture (17) for described leading screw (2) is set.
22. lead-screw drive mechanisms according to claim 15, it is characterized in that, described feed screw nut (3) is arranged among the shell (13) that is connected with end plate (10), this shell has lubricant oil drainage aperture (14), and described lubricant oil drainage aperture is connected with the discharge conduit (15) of lubricant oil (7).
23. lead-screw drive mechanisms according to claim 22, it is characterized in that, discharge conduit (15), lubricant oil collection container (18), lubricating pump (19) and supply line (12) form a lubrication oil circulation loop (K).
24. lead-screw drive mechanisms according to claim 23, it is characterized in that, be provided with a drip tray for lubricant oil (7) (11) in the below at least partially of leading screw (2), described lubrication oil circulation loop (K) also comprises this drip tray.
25. injection molding machines, is characterized in that the lead-screw drive mechanism (1) comprised according to any one of claim 1 to 24.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA1852/2009A AT509188B1 (en) | 2009-11-23 | 2009-11-23 | SPINDLE DRIVE WITH LUBRICATING OIL RUN IN SEALING AREA |
| ATA1852/2009 | 2009-11-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102182808A CN102182808A (en) | 2011-09-14 |
| CN102182808B true CN102182808B (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010625064.2A Expired - Fee Related CN102182808B (en) | 2009-11-23 | 2010-11-22 | Spindle drive mechanism with lubrication oil area in seal area |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102182808B (en) |
| AT (1) | AT509188B1 (en) |
| DE (1) | DE102010051766B4 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT12643U1 (en) * | 2011-09-23 | 2012-09-15 | Engel Austria Gmbh | SPINDLE DRIVE FOR AN INJECTION MOLDING MACHINE |
| DE102013102841A1 (en) * | 2013-01-24 | 2014-07-24 | C. Rob. Hammerstein Gmbh & Co. Kg | Self-cleaning spindle drive for industrial applications, has lubricant pocket formed at spindle nut, where spindle nut surrounds portion of periphery of threaded spindle, and cleaning element is made of shape-adaptive polymer |
| JP6005556B2 (en) * | 2013-03-07 | 2016-10-12 | 住友重機械工業株式会社 | Injection molding machine |
| AT14594U1 (en) | 2014-09-04 | 2016-02-15 | Engel Austria Gmbh | Closing unit for a molding machine |
| DE102016119581A1 (en) | 2016-10-13 | 2018-04-19 | Arburg Gmbh + Co. Kg | Mold closing unit with thermal management |
| CN107100992B (en) * | 2017-06-06 | 2023-05-16 | 山东大学 | Automatic lubrication high-speed ball screw pair and method |
| CN109386582A (en) * | 2017-08-09 | 2019-02-26 | 大族激光科技产业集团股份有限公司 | A kind of new pattern rolling ball screw rod |
| DE102018216781B4 (en) * | 2018-09-28 | 2020-09-24 | Zf Friedrichshafen Ag | Sealing element, spindle drive and actuator of a steering with spindle drive |
| CN110242716B (en) * | 2019-05-06 | 2022-05-03 | 浙江非攻机械有限公司 | Screw drive |
| CN110170877A (en) * | 2019-05-24 | 2019-08-27 | 黄石百斯特智能科技股份有限公司 | A kind of hollow ball screw with high intensity |
| WO2021056117A1 (en) * | 2019-09-26 | 2021-04-01 | Niigon Machines Ltd. | Injection apparatus and related methods |
| JP7455640B2 (en) * | 2020-03-31 | 2024-03-26 | 住友重機械工業株式会社 | Injection molding machine |
| CN111609104B (en) * | 2020-05-29 | 2021-09-03 | 嘉兴固达金属科技股份有限公司 | Lubricating and oiling structure of screw |
| DE102020118884A1 (en) | 2020-07-16 | 2022-01-20 | Wittmann Battenfeld Gmbh | Plastics processing machines, in particular injection molding machines |
| DE102021204188A1 (en) | 2021-04-27 | 2022-10-27 | Sumitomo (Shi) Demag Plastics Machinery Gmbh | Screw drive with wiper element |
| CN114508570A (en) * | 2022-02-28 | 2022-05-17 | 山东大学 | Lubricated and cooled ball screw device and working method |
| CN115416247B (en) * | 2022-09-01 | 2023-05-30 | 山东优士达智能设备有限公司 | Injection molding machine with die-adjusting centralized lubrication structure |
| CN115366338A (en) * | 2022-09-21 | 2022-11-22 | 博创智能装备股份有限公司 | Motor direct-drive mechanism for injection molding machine injection mechanism |
| CN117404457B (en) * | 2023-12-15 | 2024-02-20 | 常州瑞倍特自动化设备有限公司 | Intelligent electric actuator |
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| JP2003011196A (en) * | 2001-07-03 | 2003-01-15 | Nissei Plastics Ind Co | Lubrication structure of ball screw of motor-driven injection molding machine |
| JP2003083418A (en) * | 2001-09-10 | 2003-03-19 | Nsk Ltd | Ball screw device |
| CN1404979A (en) * | 2001-09-14 | 2003-03-26 | 住友重机械工业株式会社 | Injection device |
| JP2007225033A (en) * | 2006-02-23 | 2007-09-06 | Nsk Ltd | Ball screw |
| CN200961680Y (en) * | 2007-03-08 | 2007-10-17 | 新余钢铁有限责任公司 | Horizontal screw nut lubrication and oil return device |
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| DE1137275B (en) * | 1960-07-14 | 1962-09-27 | Schiess Ag | Device for lubricating threaded spindles |
| CH425361A (en) * | 1965-10-26 | 1966-11-30 | Genevoise Instr Physique | Hydrostatic nut |
| JPH05345339A (en) * | 1992-06-16 | 1993-12-27 | Sodick Co Ltd | Locking device for injection molding machine |
| JP3811650B2 (en) * | 2002-01-29 | 2006-08-23 | 住友重機械工業株式会社 | Lubrication device for injection molding machine |
| DE102004042744B4 (en) | 2004-09-03 | 2014-07-24 | Sumitomo (Shi) Demag Plastics Machinery Gmbh | Closing unit for an injection molding machine |
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2009
- 2009-11-23 AT ATA1852/2009A patent/AT509188B1/en not_active IP Right Cessation
-
2010
- 2010-11-18 DE DE102010051766.6A patent/DE102010051766B4/en active Active
- 2010-11-22 CN CN201010625064.2A patent/CN102182808B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003011196A (en) * | 2001-07-03 | 2003-01-15 | Nissei Plastics Ind Co | Lubrication structure of ball screw of motor-driven injection molding machine |
| JP2003083418A (en) * | 2001-09-10 | 2003-03-19 | Nsk Ltd | Ball screw device |
| CN1404979A (en) * | 2001-09-14 | 2003-03-26 | 住友重机械工业株式会社 | Injection device |
| JP2007225033A (en) * | 2006-02-23 | 2007-09-06 | Nsk Ltd | Ball screw |
| CN200961680Y (en) * | 2007-03-08 | 2007-10-17 | 新余钢铁有限责任公司 | Horizontal screw nut lubrication and oil return device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102182808A (en) | 2011-09-14 |
| DE102010051766A1 (en) | 2011-05-26 |
| AT509188B1 (en) | 2012-12-15 |
| AT509188A1 (en) | 2011-06-15 |
| DE102010051766B4 (en) | 2023-03-09 |
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