CN212775172U

CN212775172U - High-precision linear guide rail

Info

Publication number: CN212775172U
Application number: CN202021731485.9U
Authority: CN
Inventors: 纪根赢
Original assignee: Zhejiang Jinbo Bearing Manufacturing Co ltd
Current assignee: Zhejiang Jinborui Precision Machinery Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-03-23
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to a high-precision linear guide rail, which comprises a sliding block, a guide rail, two mounting grooves respectively arranged at the left end and the right end of the outer wall of the sliding block, a sealing shell is arranged at the outer side of the left end and the right end of the sliding block, one end of the sealing shell is inserted in the mounting groove, a lubricating cavity is formed between the inner wall of the sealing shell and the outer wall of the sliding block, a sealing sleeve is communicated on the inner side wall of the sealing shell, oil absorption pads are arranged on the outer side walls at the left end and the right end of the sliding block, the top of the sliding block is connected with a mounting plate through a shock absorption column, a sealing device is arranged on the inner wall of the sealing sleeve, lubricating liquid stored in the lubricating cavity is soaked into the oil absorption pads, the whole oil absorption pads are slowly permeated through holes in the oil absorption pads and are coated on the outer wall of the guide rail, through the sealing device arranged in the sealing sleeve, dust can be prevented from entering between the sliding block and the sliding groove.

Description

High-precision linear guide rail

Technical Field

The utility model relates to a guide rail equipment technical field especially relates to a high accuracy linear guide.

Background

In the prior art, linear guide rails (linear guides) can be divided into: the roller linear guide rail, the cylindrical linear guide rail and the ball linear guide rail are used for supporting and guiding a moving part to do reciprocating linear motion in a given direction. The linear motion guide rail can be divided into a sliding friction guide rail, a rolling friction guide rail, an elastic friction guide rail, a fluid friction guide rail and the like according to the properties of the massage eraser, and is a device capable of bearing, fixing and guiding a moving device or equipment and reducing the friction of the moving device or equipment, but the traditional linear guide rail does not have the function of long-time automatic lubrication, so that a worker needs to lubricate the moving device or equipment frequently, the traditional linear guide rail is unreasonable in structure, so that the lubrication is inconvenient, the worker is very troublesome in operation when lubricating, the existing linear guide rail is poor in damping effect, when the moving device or equipment slides along the extension direction of the linear guide rail, the vibration generated by the moving device or equipment is directly transmitted into the linear guide rail, under the influence of the vibration for a long time, the matching precision between the moving device or equipment and the linear guide rail can be influenced, so that the precision of the moving device or equipment when sliding along the extension direction, moreover, because the conventional linear guide rail has a poor sealing effect, dust is easily introduced between the moving device or equipment and the linear guide rail, and the friction force generated when the moving device or equipment slides along the extending direction of the linear guide rail is increased, so that the loss of the moving device or equipment and the linear guide rail is increased, and the matching precision between the moving device or equipment and the linear guide rail is finally affected, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a lubricated effectual, have shock-absorbing function and sealed effectual high accuracy linear guide.

The technical scheme of the utility model is realized like this: the utility model provides a high accuracy linear guide, including the bottom be provided with the spout the smooth sliding connection in the spout has the guide rail, both ends all are equipped with lubricating arrangement, its characterized in that are used for lubricating about the slider: the lubricating device comprises two mounting grooves which are respectively arranged at the left end and the right end of the outer wall of the sliding block, the outer sides of the left end and the right end of the sliding block are respectively provided with a sealing shell, one end of the sealing shell is inserted in the mounting groove, a lubricating cavity is formed between the inner wall of the sealing shell and the outer wall of the sliding block, the inner side wall of the sealing shell is communicated with a sealing sleeve matched with the outer wall of the sliding block, the outer side walls of the left end and the right end of the sliding block are both provided with an oil absorption pad, the center of the oil suction pad is provided with a lubricating gap which is abutted with the outer wall of the guide rail, one end of the sealing sleeve, which is far away from the sealing shell, is abutted with one side of the oil suction pad, which is far away from the sliding block, a mounting plate is horizontally arranged above the sliding block, a plurality of mounting blind holes are uniformly arranged at intervals on the top of the sliding block, the damping device is characterized in that a damping column is inserted into the mounting blind hole, one end, far away from the mounting blind hole, of the damping column is fixedly connected with the bottom of the mounting plate, and a sealing device used for sealing is arranged on the inner wall of the sealing sleeve.

By adopting the technical scheme, in daily use and installation, an operator injects lubricating liquid into the lubricating cavity, one end of the sealing shell is inserted into the installation groove, so that the lubricating cavity forms a closed space, the lubricating liquid stored in the lubricating cavity infiltrates into the oil absorption pad, the whole oil absorption pad slowly infiltrates through holes in the oil absorption pad, the lubricating oil is smeared on the outer wall of the guide rail through the lubricating gap abutted between the oil absorption pad and the outer wall of the guide rail, the outer wall of the guide rail is continuously lubricated, the lubricating oil can be evenly and slowly smeared on the outer wall of the guide rail through the oil absorption pad, the effective lubricating time and the lubricating effect of the lubricating oil in the lubricating cavity on the outer wall of the guide rail are improved, during use, the equipment is installed on the installation plate, the vibration generated during the operation of the equipment is transmitted into the shock absorption column through the installation plate, and the vibration transmitted to the installation, avoid receiving the influence of vibrations for a long time between slider and the guide rail, the phenomenon that leads to the cooperation precision between slider and the guide rail to reduce takes place, insert the shock attenuation post and establish in the installation blind hole, can make the combination between shock attenuation post and the slider inseparabler, prevent that the shock attenuation post from under the effect of vibrations, the one end of keeping away from the mounting panel drops from the slider top, the phenomenon that leads to the shock attenuation post can't play the support mounting panel and absorb vibrations takes place, through the sealing device who sets up on the sealing sleeve inner wall, can avoid lubricating oil to leak outside the guide rail from the lubricated intracavity, also can prevent that the dust from getting into between slider and the guide rail, through such a mode, avoid getting into between slider and the guide rail because of the dust, and lead to the friction aggravation between slider and the guide rail, the phenomenon that makes the slider and the life that has arrived shorten takes place, compare with prior art, Service life and cooperation precision.

The utility model discloses further set up to: sealing device establishes in proper order including setting up spacing lug, the mutual butt of a plurality of head and the tail that keep away from sealed shell one end at the sealed sleeve inner wall and establish in sealed sleeve and longitudinal section is the sealing washer of L shape, the one end that sealed sleeve was kept away from to the sealing washer is provided with the lip and with slider outer wall butt, one side that the slider was kept away from to the sealed shell is provided with the baffle, the baffle center be provided with the opening of guide rail outer wall looks adaptation.

By adopting the technical scheme, in daily use, a gap between the inner wall of the sealing sleeve and the outer wall of the sliding block can be sealed by the sealing ring arranged in the sealing sleeve, and in such a way, the phenomenon that the friction between the sliding block and the guide rail is intensified and the service life of the sliding block is shortened due to the fact that dust enters the gap between the sliding block and the guide rail is avoided, the lip arranged at one end of the sealing ring, which is far away from the sealing sleeve, can deform under the pressure action of the sealing sleeve, so that the lip is tightly attached to the outer wall of the sliding block, the higher the pressure is, the tighter the lip is tightly attached to the outer wall of the sliding block, and after the sealing lip is worn, certain automatic compensation capability is achieved, and by the way, the sealing effect between the sealing ring sub-body and the outer wall of the sliding block is improved, improve the sealed effect of sealing washer, can be with the sealing washer restriction in sealed sleeve through setting up spacing lug and the baffle in the sealing washer left and right sides, avoid because of the slider removes, make the sealing washer from the interior roll-off of sealed sleeve, and lead to the sealing washer to lose the phenomenon emergence sealed to sealed sleeve inner wall and slider outer wall, compare with prior art, the utility model provides the accuracy of high product.

The utility model discloses further set up to: all be provided with the screw hole on the both ends lateral wall about the slider, the sealed shell is provided with the screw outward, the one end of screw passes baffle, sealed shell lateral wall, lubricated chamber and oil absorption pad in proper order after passing through threaded connection with the screw hole.

Through adopting above-mentioned technical scheme, in daily use, through the screw with mounting panel, sealed shell and inhale oil pad and slider fixed connection, can improve the compactness that combines between slider and mounting panel, sealed shell and the oil pad, can also make the convenient dismantlement of staff and change each spare part, through such mode, improved the practicality of product.

The utility model discloses further set up to: the lubricating pipe communicated with the lubricating cavity is arranged on the outer wall of the top of the sealing shell, an external thread is arranged on the outer wall of the lubricating pipe, and one end, far away from the sealing shell, of the lubricating pipe is connected with a blocking cover through a thread.

Through adopting above-mentioned technical scheme, in daily use, the staff can be through lubricated pipe to lubricated intracavity injection lubricating liquid to form inclosed space through the blanking cover messenger lubricated pipe and lubricated intracavity, prevent that the lubricating liquid in lubricated intracavity from flowing through lubricated pipe, through such mode, make the operation that the staff adds lubricating oil toward lubricated intracavity become very simple and convenient.

The utility model discloses further set up to: and the outer wall of the guide rail is provided with a wear-resisting plate.

Through adopting above-mentioned technical scheme, in daily use, the antifriction plate of setting on the guide rail outer wall can make the coefficient of wear resistance of guide rail outer wall increase, avoids because of the friction that slider and guide rail outer wall take place, and the phenomenon that leads to the cooperation precision between guide rail outer wall and the slider to descend takes place.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

Fig. 2 is a schematic sectional view taken along the direction a-a in fig. 1.

Fig. 3 is a schematic view of a part of the enlarged structure at B in fig. 1.

The labels in the figures are:

1-sliding groove, 2-sliding block, 3-guide rail, 4-mounting groove, 5-sealing shell, 6-lubricating cavity, 7-sealing sleeve, 8-oil absorption pad, 9-lubricating gap, 10-mounting plate, 11-mounting blind hole, 12-shock absorption column, 13-limiting lug, 14-sealing ring, 15-lip, 16-baffle, 17-opening, 18-threaded hole, 19-screw, 20-lubricating tube, 21-blocking cover and 22-wear-resisting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model discloses a high accuracy linear guide, be provided with spout 1 slider 2 including the bottom horizontal sliding connection has guide rail 3 in the spout 1, both ends all are equipped with the lubricating arrangement who is used for lubricating about slider 2 the utility model discloses in the concrete embodiment: the lubricating device comprises two mounting grooves 4 respectively arranged at the left end and the right end of the outer wall of the sliding block 2, sealing shells 5 are respectively arranged at the outer sides of the left end and the right end of the sliding block 2, one end of each sealing shell 5 is inserted into the corresponding mounting groove 4, a lubricating cavity 6 is formed between the inner wall of each sealing shell 5 and the outer wall of the sliding block 2, a sealing sleeve 7 matched with the outer wall of the sliding block 2 is communicated on the inner side wall of each sealing shell 5, oil absorption pads 8 are respectively arranged on the outer side walls of the left end and the right end of the sliding block 2, an oil absorption notch 9 abutted against the outer wall of the guide rail 3 is arranged in the center of each oil absorption pad 8, one end of each sealing sleeve 7, far away from the corresponding sealing shell 5, is abutted against one side of each oil absorption pad 8, far away from the sliding block 2, a mounting plate 10 is horizontally arranged above the sliding block 2, a, and a sealing device for sealing is arranged on the inner wall of the sealing sleeve 7.

By adopting the technical scheme, in daily use and installation, an operator injects lubricating liquid into the lubricating cavity 6, one end of the sealing shell 5 is inserted into the installation groove 4, so that the lubricating cavity 6 forms a closed space, the lubricating liquid stored in the lubricating cavity 6 is soaked into the oil absorption pad 8, the whole oil absorption pad 8 is slowly permeated through holes in the oil absorption pad 8, the lubricating oil is smeared on the outer wall of the guide rail 3 through the lubricating gap 9 formed by the abutting of the oil absorption pad 8 and the outer wall of the guide rail 3 and is continuously lubricated on the outer wall of the guide rail 3, the lubricating oil can be uniformly and slowly smeared on the outer wall of the guide rail 3 through the oil absorption pad 8, the effective time and the lubricating effect of the lubricating oil in the lubricating cavity 6 on the outer wall of the guide rail 3 are improved, when the device is used, the device is installed on the installation plate 10, the vibration generated during the operation of the device is transmitted to the, the shock absorber 12 absorbs the shock transmitted to the mounting plate 10 when the equipment operates, so that the phenomenon that the matching precision between the slider 2 and the guide rail 3 is reduced due to the influence of the shock between the slider 2 and the guide rail 3 for a long time is avoided, the shock absorber 12 is inserted into the mounting blind hole 11, the combination between the shock absorber 12 and the slider 2 is tighter, the phenomenon that one end, far away from the mounting plate 10, of the shock absorber 12 falls off from the top of the slider 2 under the action of the shock and the shock absorber 12 cannot support the mounting plate 10 and absorb the shock is avoided, the lubricating oil can be prevented from leaking out of the guide rail 3 from the lubricating cavity 6 and dust can be prevented from entering between the slider 2 and the guide rail 3 by the sealing device arranged on the inner wall of the sealing sleeve 7, and the friction between the slider 2 and the guide rail 3 is also prevented from being intensified due to the dust entering between the slider 2 and the guide rail 3, make slider 2 and the phenomenon that the life that has arrived shortens take place, compare with prior art, the utility model provides high practicality, life and the cooperation precision of product.

In the embodiment of the present invention: the sealing device comprises a limiting lug 13 arranged on the inner wall of the sealing sleeve 7 and far away from one end of the sealing shell 5, and a plurality of sealing rings 14 which are abutted end to end and are sequentially sleeved in the sealing sleeve 7, wherein the longitudinal sections of the sealing rings are L-shaped, one ends of the sealing rings 14 far away from the sealing sleeve 7 are provided with lips 15 and abutted against the outer wall of the sliding block 2, one side of the sealing shell 5 far away from the sliding block 2 is provided with a baffle 16, and the center of the baffle 16 is provided with an opening 17 matched with the outer wall of the guide rail 3.

By adopting the technical scheme, in daily use, a gap between the inner wall of the sealing sleeve 7 and the outer wall of the sliding block 2 can be sealed by the sealing ring 14 arranged in the sealing sleeve 7, and in such a way, the phenomenon that the service life of the sliding block 2 and the service life of the sliding block is shortened due to the fact that the friction between the sliding block 2 and the guide rail 3 is aggravated because dust enters between the sliding block 2 and the guide rail 3 is avoided, the lip 15 arranged at one end, far away from the sealing sleeve 7, of the sealing ring 14 deforms under the pressure action of the sealing sleeve 7, the lip 15 is tightly attached to the outer wall of the sliding block 2 with higher pressure, and the sealing lip 15 has certain automatic compensation capacity after being worn, the sealing effect between the sealing ring body 14 and the outer wall of the sliding block 2 is improved by such a way, the plurality of sealing rings 14 are mutually and sequentially sleeved in, can improve the sealed effect of sealing washer 14 through the sealed mode of multistage, can limit sealing washer 14 in sealed sleeve 7 through setting up spacing lug 13 and the baffle 16 in the 14 left and right sides of sealing washer, avoid removing because of slider 2, make sealing washer 14 from the interior roll-off of sealed sleeve 7, and lead to sealing washer 14 to lose and take place sealed 7 inner walls of sealed sleeve and the sealed phenomenon of 2 outer walls of slider, compare with prior art, the utility model provides the accuracy of product is improved.

In the embodiment of the present invention: threaded holes 18 are formed in the side walls of the left end and the right end of the sliding block 2, screws 19 are arranged outside the sealing shell 5, and one end of each screw 19 penetrates through the baffle 16, the outer side wall of the sealing shell 5, the lubricating cavity 6 and the oil suction pad 8 in sequence and then is connected with the threaded hole 18 through threads.

Through adopting above-mentioned technical scheme, in daily use, through screw 19 with mounting panel 10, seal shell 5 and inhale oil pad 8 and slider 2 fixed connection, can improve the compactness that combines between slider 2 and mounting panel 10, seal shell 5 and the oil pad 8, can also make the convenient dismantlement of staff and change each spare part, through such mode, improved the practicality of product.

In the embodiment of the present invention: the lubricating pipe 20 communicated with the lubricating cavity 6 is arranged on the outer wall of the top of the sealing shell 5, an external thread is arranged on the outer wall of the lubricating pipe 20, and one end, far away from the sealing shell 5, of the lubricating pipe 20 is connected with a blocking cover 21 through a thread.

Through adopting above-mentioned technical scheme, in daily use, the staff can be through lubricated pipe 20 to the interior lubricated liquid of injecting of lubricated chamber 6 to make lubricated pipe 20 and lubricated intracavity formation inclosed space through blanking cover 21, prevent that the lubricated liquid in lubricated chamber 6 from flowing out through lubricated pipe 20, through such mode, make the staff toward the operation of adding lubricating oil in lubricated chamber 6 become very simple and convenient.

In the embodiment of the present invention: the outer wall of the guide rail 3 is provided with a wear plate 22.

Through adopting above-mentioned technical scheme, in daily use, the antifriction plate 22 of setting on the guide rail 3 outer wall can make the coefficient of wear resistance of guide rail 3 outer wall increase, avoids because of the friction that slider 2 and 3 outer walls of guide rail take place, and the phenomenon that leads to the cooperation precision between 3 outer walls of guide rail and the slider 2 to descend takes place.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high accuracy linear guide, is provided with slider (2) of spout (1) including the bottom spout (1) plain smooth sliding connection has guide rail (3) in spout (1), both ends all are equipped with lubricating arrangement who is used for lubricating, its characterized in that about slider (2): the lubricating device comprises two mounting grooves (4) which are respectively arranged at the left end and the right end of the outer wall of the sliding block (2), sealing shells (5) are respectively arranged at the outer sides of the left end and the right end of the sliding block (2), one end of each sealing shell (5) is inserted into each mounting groove (4), a lubricating cavity (6) is formed between the inner wall of each sealing shell (5) and the outer wall of the sliding block (2), a sealing sleeve (7) matched with the outer wall of the sliding block (2) is communicated on the inner side wall of each sealing shell (5), oil absorption pads (8) are respectively arranged on the outer side walls of the left end and the right end of the sliding block (2), a lubricating gap (9) abutted against the outer wall of the guide rail (3) is arranged in the center of each oil absorption pad (8), one end, far away from the sealing shell (5), of each sealing sleeve (7) is abutted against one side, the slider (2) top is provided with a plurality of installation blind holes (11) at even interval, it is equipped with shock attenuation post (12) to insert in installation blind hole (11), the one end and mounting panel (10) bottom fixed connection of installation blind hole (11) are kept away from in shock attenuation post (12), be provided with on the inner wall of sealing sleeve (7) and be used for sealed sealing device.

2. A high precision linear guide rail according to claim 1, characterized in that: sealing device establishes in proper order including setting up spacing lug (13), a plurality of end to end mutual butt that keep away from sealed shell (5) one end at sealed sleeve (7) inner wall and establish sealed sleeve (7) and longitudinal section is sealing washer (14) of L shape, the one end that sealed sleeve (7) were kept away from in sealed washer (14) is provided with lip (15) and with slider (2) outer wall butt, one side that slider (2) were kept away from in sealed shell (5) is provided with baffle (16), baffle (16) center is provided with opening (17) with guide rail (3) outer wall looks adaptation.

3. A high precision linear guide rail according to claim 2, characterized in that: threaded holes (18) are formed in the side walls of the left end and the right end of the sliding block (2), screws (19) are arranged outside the sealing shell (5), and one ends of the screws (19) penetrate through the baffle (16), the outer side wall of the sealing shell (5), the lubricating cavity (6) and the oil absorption pad (8) in sequence and then are connected with the threaded holes (18) through threads.

4. A high precision linear guide according to claim 3, characterized in that: be provided with on sealed shell (5) top outer wall with lubricated pipe (20) of lubricated chamber (6) intercommunication, be provided with the external screw thread on the outer wall of lubricated pipe (20), the one end of keeping away from sealed shell (5) in lubricated pipe (20) has blanking cover (21) through threaded connection.

5. A high precision linear guide rail according to claim 4, characterized in that: and the outer wall of the guide rail (3) is provided with a wear-resisting plate (22).