CN210889748U

CN210889748U - Linear guide with dustproof structure and self-lubricating structure

Info

Publication number: CN210889748U
Application number: CN201921694490.4U
Authority: CN
Inventors: 陈阳
Original assignee: Tianjin Xinda Technology Co ltd
Current assignee: Tianjin Xinda Technology Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-30
Anticipated expiration: 2029-10-10

Abstract

The utility model relates to a linear guide with dustproof construction and self-lubricating structure belongs to linear guide's technical field, and it includes the guide rail and with guide rail sliding connection's slider, be provided with the raceway in the slider, be provided with the ball in the raceway, the slider is provided with the glib talker along the one end of self slip direction, has seted up the oiling passageway with the glib talker intercommunication in the slider, oiling passageway and raceway intercommunication, slider along the one end fixedly connected with batch oil tank of self slip direction, batch oil tank and glib talker intercommunication, the utility model has the effect that can reduce lubricating oil and add the frequency.

Description

Linear guide with dustproof structure and self-lubricating structure

Technical Field

The utility model belongs to the technical field of linear guide's technique and specifically relates to a linear guide with dustproof construction and self-lubricating structure is related to.

Background

At present, linear guides are used to support and guide moving parts to reciprocate linearly in a given direction.

The existing Chinese patent with reference to publication number CN101476592B discloses a linear guide rail, which comprises a guide rail and a slider, wherein the guide rail comprises a guide rail body, at least one of two sides of the guide rail body is provided with an outwardly convex arc-shaped guide track, the slider comprises a slider base arranged on the guide rail, a slider inner core and a retainer, the slider inner core is arranged in the slider base and corresponds to one side of the guide track, the slider inner core is fixed on the slider base, at least one annular roller path surrounding the periphery of the outer side of the slider inner core is formed between the slider inner core and the retainer, a plurality of balls are arranged in the annular roller path, the annular roller path at least comprises a parallel edge parallel to the guide track, and the plurality of balls in the parallel edge of the annular roller path are tightly attached to the guide track.

The above prior art solutions have the following drawbacks: the ball rolls and needs to add lubricating oil to lubricate the ball, and the rolling smoothness of the ball is guaranteed in labor protection, and the lubricating oil stored between the balls is less, so that the frequency of adding the lubricating oil is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can reduce lubricating oil and add a linear guide with dustproof construction and self-lubricating structure of frequency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a linear guide with dustproof construction and self-lubricating structure, includes the guide rail and with guide rail sliding connection's slider, be provided with the raceway in the slider, be provided with the ball in the raceway, the slider is provided with the glib talker along the one end of self slip direction, offers the oiling passageway with the glib intercommunication in the slider, oiling passageway and raceway intercommunication, slider along the one end fixedly connected with batch oil tank of self slip direction, batch oil tank and glib intercommunication.

By adopting the technical scheme, the oil storage tank is communicated with the raceway through the oil filling nozzle and the oil filling channel, so that lubricating oil in the oil storage tank can enter the oil filling channel through the oil filling nozzle and then enter the raceway along the oil filling channel in the sliding process of the sliding block, a self-lubricating effect is provided for balls in the raceway, the sliding smoothness of the sliding block is improved, and the abrasion of the sliding block in the sliding process is reduced; compared with the method that only the lubricating oil is stored between the balls, the oil storage tank greatly expands the storage volume of the lubricating oil, so that the lubricating oil does not need to be injected into the oil filling hole for a long time, after the lubricating oil in the oil storage tank is used, the oil storage tank is replaced or the lubricating oil is added into the oil storage tank, and the effect of reducing the adding frequency of the lubricating oil is achieved.

The utility model discloses further set up to: the oil storage tank is provided with an oil filling hole for filling lubricating oil into the oil storage tank, and an oil filling cover is inserted at the oil filling hole.

By adopting the technical scheme, when the price of lubricating oil needs to be adjusted in the oil storage tank, the oil injection cover is opened, the lubricating oil can be injected into the oil storage tank through the oil injection hole, the oil storage tank does not need to be detached or replaced, and after the fomentata finishes, the oil injection cover is covered, so that the lubricating oil can be conveniently added into the oil storage tank.

The utility model discloses further set up to: the oiling mouth includes oiling drum, spring and pressure pearl, oiling drum and slider fixed connection and with oiling passageway intercommunication, the axis of oiling drum is parallel with the moving direction of slider, the one end that the slider was kept away from to the oiling drum is the throat form, presses the pearl to be located the inside that slider one end was kept away from to the oiling drum, fixedly connected with mounting in the oiling drum, the spring is located the oiling drum, and is located the mounting and press between the pearl.

Through adopting above-mentioned technical scheme, when the batch oil tank is installed on the slider, the batch oil tank will press the pearl to the direction pressure that is close to the slider, it drives the spring and is compressed to press the pearl to remove, it removes to press the pearl, make and press the space to appear between the inner wall of pearl and oiling drum, then flow into in the oiling drum from the clearance of pressing pearl and oiling drum inner wall from the lubricating oil that the batch oil tank flows out, then further flow into in the oiling passageway, when the batch oil tank is pulled down, the compressed spring will press the pearl to remove to the direction of keeping away from the slider, press the pearl to support tightly with the inner wall of oiling drum, the oil nipple seals, avoided the dust to get into in the oiling passageway and then get into the raceway from the oil nipple, the lubricating oil in the oiling passageway has also.

The utility model discloses further set up to: the oil storage tank is opposite to the oil injection nozzle, an oil outlet communicated with the inside of the oil storage tank is formed in the position, opposite to the oil injection nozzle, of the oil storage tank, a compression column is fixedly connected to the oil outlet, and the compression column is opposite to a compression bead.

Through adopting above-mentioned technical scheme, when installing the batch oil tank on the slider, make the oil-out just to pressing the pearl, then be close to the batch oil tank the slider, when batch oil tank and slider butt, the compression leg will push down in the oiling drum of impressing, make the tender oiling drum that can flow into of lubricating oil in the batch oil tank in.

The utility model discloses further set up to: the sliding block is fixedly connected with at least one layer of scraping blade along the two ends of the sliding direction of the sliding block, and the scraping blade is positioned between the sliding block and the oil storage tank.

Through adopting above-mentioned technical scheme, the doctor-bar can strike off the impurity such as dust of adhesion on the guide rail, makes most dust can not do the adhesion on the guide rail to dust etc. get into in the inside raceway of slider and frictional force grow when making the ball roll when having avoided the slider to move on the guide rail, has guaranteed the smooth and easy nature that the slider removed.

The utility model discloses further set up to: the scraping blade comprises a hard scraping plate and a soft scraping plate, and the hard scraping plate is positioned on one side of the soft scraping plate close to the sliding block.

Through adopting above-mentioned technical scheme, harder stereoplasm scraper blade of texture can be with harder and with the stronger greasy dirt of guide rail adhesive force, impurity such as iron fillings are scraped off, and softer soft scraper blade of texture can scrape comparatively tiny dust etc. attached to on the guide rail and remove, the stereoplasm scraper blade and the soft scraper blade combination of two kinds of different characteristics, impurity on having guaranteed the guide rail can be strikeed off to make foreign matters such as iron fillings, dust be difficult for getting into inside the slider, avoided influencing linear guide's precision and life because of the foreign matter invasion.

The utility model discloses further set up to: and a support plate is bonded on one side of the soft scraper close to the slide block.

Through adopting above-mentioned technical scheme, the backup pad plays the supporting role to soft scraper blade, makes soft scraper blade be difficult for producing the deformation and extrudeing the guide rail, has guaranteed that slider and the gliding frictional force of guide rail are less, makes the gliding smooth and easy nature of slider better.

The utility model discloses further set up to: the edge of the supporting plate is positioned on the inner side of the edge of the soft scraper, and the edge of the supporting plate is coated by the edge of the soft scraper.

Through adopting above-mentioned technical scheme, make the area of contact of soft scraper blade and deflector roll great to what can be better strikes off the dust etc. outside the guide rail totally, guaranteed the clearance effect of soft scraper blade to the guide rail.

To sum up, the utility model discloses a beneficial technological effect does:

by arranging the oil storage tank, the sliding smoothness of the sliding block is improved, the abrasion of the sliding block in the sliding process is reduced, the storage volume of the lubricating oil of the sliding block is expanded, and the adding frequency of the lubricating oil is reduced;

by arranging the scraping sheet, foreign matters such as scrap iron and dust can be effectively prevented from entering the inside of the sliding block, so that the influence on the precision and the service life of the linear guide rail due to the invasion of the foreign matters is avoided;

through setting up the backup pad, make soft scraper blade be difficult for producing the deformation and extrude the guide rail, guaranteed that slider and the gliding frictional force of guide rail are less, make the gliding smooth and easy nature of slider better.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram of an exploded structure of the oil reservoir and the slider;

FIG. 3 is an enlarged partial schematic view of a cross-section through the axis of the oiling barrel of FIG. 2;

FIG. 4 is an enlarged partial schematic view of section A-A of FIG. 3;

FIG. 5 is a schematic structural view of the oil storage port;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a schematic view of the structure of a soft scraper.

In the figure, 1, guide rail; 11. a slider; 12. a raceway; 13. a ball bearing; 14. an oil injection channel; 2. an oil injection nozzle; 21. an oiling cylinder; 211. a fixing member; 22. a spring; 23. pressing the beads; 3. an oil storage tank; 31. an oil filler hole; 311. an oil injection cover; 32. an oil outlet; 33. pressing the column; 4. scraping a blade; 41. a hard scraper; 42. a soft scraper; 421. and a support plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Refer to fig. 1 and fig. 2, for the utility model discloses a linear guide 1 with dustproof construction and self-lubricating structure, including guide rail 1 and with 1 sliding connection's of guide rail slider 11, be provided with raceway 12 (refer to fig. 4) in the slider 11, be provided with ball 13 in the raceway 12, slider 11 is provided with glib talker 2 along the one end of self slip direction, set up in the slider 11 with the oiling passageway 14 of glib talker 2 intercommunication, oiling passageway 14 and raceway 12 intercommunication, slider 11 is along the one end fixedly connected with batch oil tank 3 of self slip direction, batch oil tank 3 and glib talker 2 intercommunication, slider 11 is along the at least one deck doctor-bar 4 of each fixedly connected with in the both ends of self slip direction, doctor-bar 4 is located between slider 11 and batch oil tank 3. Ball 13 can the ball 13 provide the effect of self-lubricating, improves slider 11's smooth and easy nature of sliding to reduce the wearing and tearing that slider 11 received at the slip in-process, and various dust on doctor-bar 4 strikes off guide rail 1, effectively avoids foreign matter such as iron fillings, dust to get into inside slider 11, influences linear guide 1's precision and life because of the foreign matter invasion.

Referring to fig. 3 and 5, the oil filling nozzle 2 includes an oil filling cylinder 21, a spring 22 and a pressing bead 23, the oil filling cylinder 21 is fixedly connected with the slider 11 and is communicated with the oil filling passage 14, an axis of the oil filling cylinder 21 is parallel to a moving direction of the slider 11, an end of the oil filling cylinder 21 away from the slider 11 is in a necking shape, the pressing bead 23 is located inside an end of the oil filling cylinder 21 away from the slider 11, a fixing member 211 is fixedly connected inside the oil filling cylinder 21, the fixing member 211 is in a cross shape, the fixing member 211 is perpendicular to the axis of the oil filling cylinder 21, the spring 22 is located inside the oil filling cylinder 21 and is located between the fixing member 211 and the pressing bead 23, the spring 22 is fixedly connected with the fixing member 211, the fixing member 211 is in a shape such that the fixing member 211 plays a role of fixedly supporting the spring 22 and does not block the oil filling cylinder 21, so that the lubricating oil can still circulate inside the oil filling cylinder 21, an oil outlet, the oil outlet 32 extends in a necking shape from the position facing the oil filling cylinder 21 to the direction far away from the oil filling cylinder 21 and then horizontally extends, the end part of the oil outlet 32 far away from the oil filling cylinder 21 is fixedly connected with a compression leg 33, the compression leg 33 faces the compression bead 23, the length direction of the compression leg 33 is collinear with the axis of the oil filling cylinder 21, the oil outlet 32 is fixedly connected with a fixing part 211 (refer to fig. 6), and the fixing part 211 is fixedly connected with the compression leg 33. Oil storage tank 3 offers the oil filler point 31 that is used for injecting lubricating oil into oil storage tank 3, and oil filler point 31 department is inserted and is equipped with oiling lid 311, and oiling lid 311 can be stopped up oil filler point 31, and when avoiding not using oil filler point 31, lubricating oil flows out from oil filler point 31, and when oiling in oil storage tank 3, extract oiling lid 311, can be to the oiling in the oiling box, make the oiling comparatively convenient.

Referring to fig. 2 and 7, a screw rod is disposed between the wiper 4 and the slider 11, the screw rod penetrates through the wiper 4 and is in threaded connection with the slider 11, the wiper 4 includes a hard scraper 41 and a soft scraper 42, the hard scraper 41 is a metal scraper, the soft scraper 42 is made of rubber, the hard scraper 41 is located on one side of the soft scraper 42 close to the slider 11, a support plate 421 is bonded on one side of the soft scraper 42 close to the slider 11, the edge of the support plate 421 is located on the inner side of the edge of the soft scraper 42, the edge of the soft scraper 42 covers the edge of the supporting plate 421, the supporting plate 421 supports the soft scraper 42, so that the soft scraper 42 is not easy to deform and extrude the guide rail 1, the sliding smoothness of the slider 11 is better, the soft scraper 42 scrapes off dust and the like on the guide rail 1, the ball 13 is protected from dust and the sliding smoothness of the slider 11 is not affected.

The implementation principle of the embodiment is as follows: when the slider 11 slides on the guide rail 1, the slider 11 drives the hard scraper 41 and the soft scraper 42 to move together, the hard scraper 41 with hard texture can scrape off impurities such as oil stains, iron chips and the like which are hard and have strong adhesive force with the guide rail 1, the soft scraper 42 with soft texture can scrape off tiny dust and the like attached to the guide rail 1, the hard scraper 41 and the soft scraper 42 with two different characteristics are combined, the scraping effect of the impurities on the guide rail 1 is ensured to be good, the iron chips, the dust and other foreign matters are not easy to enter the slider 11, and the influence on the precision and the service life of the linear guide rail 1 due to the invasion of the foreign matters is avoided.

Meanwhile, the pressing column 33 presses the pressing ball 23 to a direction close to the slider 11, so that a gap is formed between the pressing ball 23 and the oil injection cylinder 21, and therefore lubricating oil can flow out of the oil outlet 32, flow into the oil injection cylinder 21 from the gap between the pressing ball 23 and the oil injection cylinder 21, and then flow into the roller path 12 through the oil injection channel 14 to lubricate the ball 13, so that the sliding smoothness of the slider 11 is improved, the abrasion of the slider 11 in the sliding process is reduced, the lubricating oil storage amount in the slider 11 is increased by the oil storage tank 3, the lubricating oil can not be injected for a long time, and the injection frequency of the lubricating oil is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a linear guide (1) with dustproof construction and self-lubricating structure, includes guide rail (1) and slider (11) with guide rail (1) sliding connection, is provided with raceway (12) in slider (11), is provided with ball (13) in raceway (12), its characterized in that: slider (11) are provided with oil filler point (2) along the one end of self slip direction, offer in slider (11) oiling passageway (14) with oil filler point (2) intercommunication, oiling passageway (14) and raceway (12) intercommunication, slider (11) along the one end fixedly connected with batch oil tank (3) of self slip direction, batch oil tank (3) and oil filler point (2) intercommunication.

2. Linear guide (1) with dustproof and self-lubricating structure according to claim 1, characterized in that: an oil filling hole (31) used for injecting lubricating oil into the oil storage tank (3) is formed in the oil storage tank (3), and an oil filling cover (311) is inserted at the oil filling hole (31).

3. Linear guide (1) with dustproof and self-lubricating structure according to claim 1, characterized in that: oiling mouth (2) are including oiling drum (21), spring (22) and pressure pearl (23), oiling drum (21) and slider (11) fixed connection and with oiling passageway (14) intercommunication, the axis of oiling drum (21) is parallel with the moving direction of slider (11), the one end that slider (11) were kept away from in oiling drum (21) is the throat form, press pearl (23) to be located oiling drum (21) and keep away from the inside of slider (11) one end, fixedly connected with mounting (211) in oiling drum (21), spring (22) are located oiling drum (21), and be located mounting (211) and press between pearl (23).

4. Linear guide (1) with dust-proof and self-lubricating structures according to claim 3, characterized in that: an oil outlet (32) communicated with the inside of the oil storage tank (3) is formed in the position, right opposite to the oil injection nozzle (2), of the oil storage tank (3), a compression column (33) is fixedly connected to the position of the oil outlet (32), and the compression column (33) is right opposite to the compression bead (23).

5. Linear guide (1) with dustproof and self-lubricating structure according to claim 1, characterized in that: the sliding block (11) is fixedly connected with at least one layer of scraping blade (4) along two ends of the sliding direction of the sliding block, and the scraping blade (4) is located between the sliding block (11) and the oil storage tank (3).

6. Linear guide (1) with dust-proof and self-lubricating structures according to claim 5, characterized in that: the scraping blade (4) comprises a hard scraping blade (41) and a soft scraping blade (42), and the hard scraping blade (41) is positioned on one side, close to the sliding block (11), of the soft scraping blade (42).

7. The linear guide (1) with dustproof structure and self-lubricating structure according to claim 6, wherein: and a support plate (421) is adhered to one side of the soft scraper (42) close to the slide block (11).

8. The linear guide (1) with dustproof structure and self-lubricating structure according to claim 7, wherein: the edge of the supporting plate (421) is positioned at the inner side of the edge of the soft scraper (42), and the edge of the soft scraper (42) covers the edge of the supporting plate (421).