CN211259367U - Ball linear guide rail with easily replaced rollers - Google Patents

Abstract

The utility model provides an easily trade ball linear guide of roller, includes concave piece, both ends and external intercommunication around concave piece top reaches, the mounting panel is installed to the both ends inner wall about the concave piece, mounting panel right-hand member symmetry fixed mounting has first backup pad and second backup pad, first backup pad internally mounted has primary shaft, second backup pad top secondary bearing, the utility model discloses profitable effect is: the utility model discloses simple structure, it is easy and simple to handle, can be when the slider roller loss alone with changing single roller, avoided the higher problem of cost that whole group changes and bring, practiced thrift the cost to can oil alone single roller, make the wear rate of roller descend, can also adjust the distance between the roller to the guide rail of different widths, so that adapt to different occasion needs, avoided the vexation of preparing a plurality of sliders, simple high efficiency, convenient and fast, the practicality is strong.

Description

Ball linear guide rail with easily replaced rollers

Technical Field

The utility model relates to a linear guide technical field especially relates to an easily trade ball linear guide of roller.

Background

At present, the linear guide rail is used for supporting and guiding a moving component to perform reciprocating linear motion in a given direction. Like the linear guide mainly is used on the mechanical structure that the precision requirement is higher, need not intermediate medium between the mobile element of linear guide and the fixed component, but use the rolling steel ball, in the actual production, because the roller is inconvenient in the installation, the phenomenon of taking off the pearl appears easily, in the use of producing simultaneously, the whole wearing and tearing of slider is often less, and the roller is the wearing parts, it is serious to abrade, the slip fault appears, need often to change, and the single roller that appears damages just has to be changed whole group of rollers, and the cost is higher, and to the oiling of roller also inhomogeneous, this is one of the reasons that leads to the roller to be damaged easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide an easily trade ball linear guide of roller, can be when the slider roller loss with trading single roller alone to can oil alone single roller, can also adjust the distance between the roller to the guide rail of different width, so that adapt to different occasion needs, simple high-efficient, convenient and fast, the practicality is strong.

The utility model provides a technical scheme that its technical problem adopted: the ball linear guide rail with the easily replaced rollers comprises a concave block, the top and the front and rear ends of the concave block are communicated with the outside, the inner walls of the left end and the right end of the concave block are provided with mounting plates, the right end of the mounting plate is symmetrically and fixedly provided with a first supporting plate and a second supporting plate, a first bearing is arranged in the first supporting plate, a second bearing is arranged on the top of the second supporting plate, a rotating column which penetrates through the first bearing and is connected with the second bearing key is arranged above the first supporting plate, the rotating column is connected with the first bearing key, the outer side of the rotating column is connected with a ball in a sliding way, a lifting groove with the top communicated with the outside is arranged in the rotating column, the interior of the lifting groove is connected with a second sliding column in a sliding way, the inner wall of the ball is provided with mounting grooves in an array way, the inside sliding connection of mounting groove has the card post that passes the lift groove and rather than sliding connection, card post and mounting groove inner wall fixed mounting have the spring that is used for the card post that resets. This arrangement allows for efficient removal and quick replacement of worn balls.

For further improvement, the outer side of the rotating column is rotatably connected with a first fixing plate positioned above the first supporting plate, and the first fixing plate and the first supporting plate are fixedly installed through a third screw. This structure can fix the rotating column, prevents because of vibrations dislocation.

Further perfect, both ends inner wall is equipped with logical groove about the spill piece, it is equipped with the circulation piece to lead to inslot portion, the circulation piece outside is equipped with the circulation groove, through first screwed connection between spill piece and the logical groove, first screw is located circulation piece middle part, circulation groove top inner wall and bottom inner wall are equipped with the sliding tray respectively, the inside array sliding connection of sliding tray has the slip post, slip post and mounting panel fixed connection. The structure can enable the balls to revolve around the circulating block, and abrasion is reduced.

Further perfect, sliding column one end array fixed mounting has the regulation section of thick bamboo, regulation section of thick bamboo internally mounted has the cylinder, regulation section of thick bamboo outside sliding connection has the telescopic cylinder with mounting panel fixed connection, cylinder output shaft extends to inside the telescopic cylinder, telescopic cylinder top is equipped with the dead lever that passes telescopic cylinder top, cylinder output shaft, telescopic cylinder bottom in proper order and threaded connection with it. The structure can adjust the distance between the ball and the guide rail so as to be suitable for guide rails of different models.

Further perfect, the circulation groove is close to first screw one end inner wall and is equipped with the roll groove, the slip post is close to first screw one end fixed mounting has first connecting block, first connecting block one end swing joint have with the supplementary ball of roll groove meshing. The structure can play a role in assisting sliding.

Further perfecting, spill piece bottom inner wall is equipped with the array and is equipped with the concave groove, concave box has been placed to concave inslot portion, both ends inner wall fixed mounting has the fixed axle about concave box, the fixed axle outside is rotated and is connected with the roller that the top extends to concave piece inner wall bottom top. This structure can support the guide rail bottom for the guide rail is more firm.

Further perfect, mounting panel one end installation fixed mounting has an oil box, the oil box is close ball one end and external intercommunication, the inside fixed mounting of oil box has the sponge with the ball laminating, the oil box top is equipped with the oil pipe that advances who passes oil box and mounting panel. This structure can in time oil to the ball.

The utility model discloses profitable effect is: the utility model discloses simple structure, it is easy and simple to handle, can be when the slider roller loss alone with changing single roller, avoided the higher problem of cost that whole group changes and bring, practiced thrift the cost to can oil alone single roller, make the wear rate of roller descend, can also adjust the distance between the roller to the guide rail of different widths, so that adapt to different occasion needs, avoided the vexation of preparing a plurality of sliders, simple high efficiency, convenient and fast, the practicality is strong.

Drawings

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

FIG. 2 is an enlarged view A of a portion of FIG. 1;

fig. 3 is a left side view of the concave block and the circulation block of the present invention;

fig. 4 is a top view of the middle circulation block of the present invention.

Description of reference numerals: concave block 1, circulating block 2, circulating groove 3, rolling groove 4, sliding column 5, adjusting cylinder 6, auxiliary ball 7, through groove 8, first screw 9, first connecting block 10, cylinder 11, concave groove 12, roller 13, fixing shaft 14, concave box 15, fixing rod 16, telescopic cylinder 18, mounting plate 19, oil box 20, oil inlet pipe 21, fixing plate 22, third screw 23, second sliding column 24, first bearing 25, first supporting plate 26, ball 27, clamping column 28, mounting groove 29, sliding groove 30, rotating column 31, second supporting plate 32, second bearing 33, lifting groove 34, spring 35 and sponge 36.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

with reference to figures 1, 2, 3, 4: the ball linear guide rail easy to replace rollers comprises a concave block 1, wherein the top and the front and rear ends of the concave block 1 are communicated with the outside, mounting plates 19 are mounted on the inner walls of the left and right ends of the concave block 1, a first supporting plate 26 and a second supporting plate 32 are symmetrically and fixedly mounted at the right end of the mounting plate 19, a first bearing 25 is mounted inside the first supporting plate 26, a second bearing 33 is mounted on the top of the second supporting plate 32, a rotating column 31 which penetrates through the first bearing 25 and then is in key connection with the second bearing 33 is arranged above the first supporting plate 26, the rotating column 31 is in key connection with the first bearing 25, balls 27 are slidably connected to the outer side of the rotating column 31, a lifting groove 34 with the top communicated with the outside is arranged inside the rotating column 31, a second sliding column 24 is slidably connected inside the lifting groove 34, a mounting groove 29 is arranged on the inner wall array of the balls 27, and a clamping column 28, card post 28 and mounting groove 29 inner wall fixed mounting have a spring 35 that is used for the card post 28 that resets, it is connected with the first fixed plate 22 that is located first backup pad 26 top to rotate the post 31 outside, first fixed plate 22 passes through third screw 23 fixed mounting with first backup pad 26. When the ball 27 is removed, the sliding column 24 is inserted into the lifting groove 34, the sliding column 34 presses the clamping column 28 to retract into the mounting groove 29, the rotating column 31 is connected with the first fixing plate 22 in a threaded manner, the rotating column 31 is screwed to separate the bottom of the rotating column 31 from the second bearing 33, the ball 27 is removed, and a new ball is mounted.

With reference to figures 1, 2, 3, 4: the inner walls of the left end and the right end of the concave block 1 are provided with through grooves 8, a circulating block 2 is arranged in each through groove 8, a circulating groove 3 is arranged on the outer side of each circulating block 2, the concave block 1 is connected with the through grooves 8 through a first screw 9, the first screw 9 is positioned in the middle of the circulating block 2, the inner walls of the top and the bottom of each circulating groove 3 are respectively provided with a sliding groove 30, the inner part of each sliding groove 30 is connected with a sliding column 5 in an array sliding mode, each sliding column 5 is fixedly connected with a mounting plate 19, the inner wall of the circulating groove 3, which is close to one end of the first screw 9, is provided with a rolling groove 4, one end of each sliding column 5, which is close to one end of the first screw 9, is fixedly provided with a first connecting block 10, one end of each first connecting block 10 is movably connected with an auxiliary ball 7 meshed with the rolling groove, the outer side of the adjusting cylinder 6 is slidably connected with a telescopic cylinder 18 fixedly connected with a mounting plate 19, the output shaft of the air cylinder 11 extends into the telescopic cylinder 18, and a fixing rod 16 sequentially penetrating through the top of the telescopic cylinder 18, the output shaft of the air cylinder 11 and the bottom of the telescopic cylinder 18 and in threaded connection with the telescopic cylinder 18 is arranged above the telescopic cylinder 18. The adjustment of the extension of the adjustment cylinder 6 can be adapted to the different widths of the slide blocks and, when the slide blocks slide, the balls 27 are driven to move along the circulation grooves 3, dispersing the friction force to which the balls 27 are subjected.

With reference to figures 1, 2, 3, 4: the inner wall of concave block 1 bottom is equipped with the array and is equipped with concave groove 12, the inside fixed mounting in concave groove 12 has concave box 15, both ends inner wall fixed mounting has fixed axle 14 about concave box 15, the fixed axle 14 outside is rotated and is connected with the roller 13 that the top extends to concave block 1 inner wall bottom top, concave box 15 passes through second screw 17 and concave groove 12 detachable connection. The contact of the top of the roller 13 with the bottom of the slide bears the weight of the slide and reduces the friction force generated during sliding, and the roller 13 with different diameters can be replaced by replacing the concave box 15 in the concave groove 12.

With reference to figures 1, 2: 19 one end installation fixed mounting of mounting panel has oil box 20, oil box 20 is close ball 27 one end and external intercommunication, the inside fixed mounting of oil box 20 has the sponge 36 with the laminating of ball 27, the oil box top is equipped with the oil pipe 21 that advances that passes oil box 20 and mounting panel 19. The sponge 36 is attached to the surface of the ball 27, and the ball 27 can draw oil in the sponge 36 when rotating.

When the roller mounting device is used, a guide rail is placed on the top of the roller 13, the extending length of the air cylinder 11 is adjusted according to the specification of the guide rail, when the roller needs to be replaced, the third screw 23 is detached, the second sliding column 24 is pressed down to drive the clamping column 28 to retract into the mounting groove 29, the rotating column 31 is lifted up again, the roller 27 is detached, the mounting is carried out in the reverse direction according to the steps, the sponge 36 is always attached to the surface of the roller 27 to paint uniform lubricating oil on the roller 27 when the roller 27 rotates, and when the guide rail slides, the roller 27 can revolve along the circulating groove 3 in addition to self-transmission, so that the roller 27 is uniformly worn.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (6)

1. The utility model provides an easy ball linear guide who trades roller, includes concave piece (1), characterized by: the top and the front and back ends of the concave block (1) are communicated with the outside, mounting plates (19) are mounted on the inner walls of the left end and the right end of the concave block (1), a first supporting plate (26) and a second supporting plate (32) are symmetrically and fixedly mounted at the right end of the mounting plates (19), a first bearing (25) is mounted inside the first supporting plate (26), a second bearing (33) is mounted at the top of the second supporting plate (32), a rotating column (31) which penetrates through the first bearing (25) and is connected with the second bearing (33) in a key mode is arranged above the first supporting plate (26), the rotating column (31) is connected with the first bearing (25) in a key mode, balls (27) are slidably connected to the outer side of the rotating column (31), a lifting groove (34) with the top communicated with the outside is formed inside the rotating column (31), and a second sliding column (24) is, ball (27) inner wall array is equipped with mounting groove (29), the inside sliding connection of mounting groove (29) has card post (28) that pass lift groove (34) and rather than sliding connection, card post (28) and mounting groove (29) inner wall fixed mounting have spring (35) that are used for restoring to the throne card post (28).

2. The roller change easy ball linear guide of claim 1, wherein: the outer side of the rotating column (31) is rotatably connected with a first fixing plate (22) located above the first supporting plate (26), and the first fixing plate (22) and the first supporting plate (26) are fixedly installed through a third screw (23).

3. The roller change easy ball linear guide of claim 1, wherein: both ends inner wall is equipped with logical groove (8) about concave block (1), it is equipped with circulation piece (2) to lead to groove (8) inside, circulation piece (2) outside is equipped with circulation groove (3), concave block (1) and lead to be connected through first screw (9) between groove (8), first screw (9) are located circulation piece (2) middle part, circulation groove (3) top inner wall and bottom inner wall are equipped with sliding tray (30) respectively, sliding tray (30) inside array sliding connection has slip post (5), slip post (5) and mounting panel (19) fixed connection.

4. The roller change easy ball linear guide of claim 3, wherein: sliding column (5) one end array fixed mounting has a regulation section of thick bamboo (6), regulation section of thick bamboo (6) internally mounted has cylinder (11), regulation section of thick bamboo (6) outside sliding connection have with mounting panel (19) fixed connection's telescopic cylinder (18), cylinder (11) output shaft extends to telescopic cylinder (18) inside, telescopic cylinder (18) top is equipped with and passes telescopic cylinder (18) top, cylinder (11) output shaft, telescopic cylinder (18) bottom in proper order and threaded connection's dead lever (16) with it.

5. The roller change easy ball linear guide of claim 3, wherein: circulation groove (3) are close to first screw (9) one end inner wall and are equipped with roll groove (4), sliding column (5) are close to first screw (9) one end fixed mounting have first connecting block (10), first connecting block (10) one end swing joint have with roll groove (4) engaged supplementary ball (7).

6. The roller change easy ball linear guide of claim 1, wherein: concave piece (1) bottom inner wall is equipped with the array and is equipped with concave groove (12), concave box (15) have been placed to concave groove (12) inside, both ends inner wall fixed mounting has fixed axle (14) about concave box (15), the roller (13) that the top extended to concave piece (1) inner wall bottom top is rotated to be connected with in the fixed axle (14) outside.

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