CN215469508U

CN215469508U - Linear guide with precision adjusting function

Info

Publication number: CN215469508U
Application number: CN202120831728.4U
Authority: CN
Inventors: 梅杰
Original assignee: Zhejiang Zhicheng Bearing Co ltd
Current assignee: Zhejiang Zhicheng Bearing Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2022-01-11
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a linear guide rail with a precision adjusting function in the field of linear guide rails, which comprises a supporting table, wherein a rail groove is formed in the upper surface of the supporting table, a movable slider is clamped in the rail groove, a threaded long rod is connected to the inner part of the movable slider in a threaded manner, the right end of the threaded long rod is rotatably connected with the inner wall of the rail groove, the left end of the threaded long rod penetrates through the inner wall of the rail groove and extends to the outer part of the rail groove, and the outer surface of the threaded long rod is rotatably connected with the left side surface of the supporting table. Drive the third pinion through rotating the third rotary rod and rotate, the third pinion drives the rotation of third adjusting gear, third adjusting gear drives the rotation of second pinion, the second pinion drives the rotation of second adjusting gear, the effect of track ejector pad through the slow promotion centre gripping object of removal clamp splice has been reached, traditional linear guide has only been solved and has only been played the guide effect, when processing some high accuracy work pieces, be difficult to accomplish the problem of precision adjustment.

Description

Linear guide with precision adjusting function

Technical Field

The utility model relates to the field of linear guide rails, in particular to a linear guide rail with a precision adjusting function.

Background

Along with the development of science and technology, equipment is more and more advanced, and people now have higher and higher requirements for the accuracy of equipment position, and linear guide's use is more and more.

Along with the development of science and technology, traditional linear guide only plays the guide effect, when processing some high accuracy work pieces, is difficult to accomplish the problem of precision adjustment. Accordingly, those skilled in the art have provided a linear guide having a precision adjustment function to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a linear guide rail with a precision adjustment function, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

as a further scheme of the utility model: the track groove is formed in the upper surface of the supporting table, the movable sliding block is clamped in the track groove, the threaded long rod is connected to the inner portion of the movable sliding block in a threaded mode, the right end of the threaded long rod is connected with the inner wall of the track groove in a rotating mode, the left end of the threaded long rod penetrates through the inner wall of the track groove and extends to the outer portion of the track groove, the outer surface of the threaded long rod is connected with the left side face of the supporting table in a rotating mode, a hand crank is fixedly connected to the left end of the threaded long rod, a first adjusting gear is arranged on the left side face of the supporting table, the threaded long rod penetrates through a first adjusting gear, the first adjusting gear is fixedly connected with the threaded long rod, a first small gear is meshed with the first small gear, a second adjusting gear is fixedly connected to the left side face of the first small gear, and a first rotary rod is arranged on the left side face of the supporting table, the right end of the first rotary rod penetrates through a second adjusting gear and a first pinion in sequence and is connected with a left side face of the supporting table in a rotating mode, the second adjusting gear is meshed with a second pinion, a second rotary rod is arranged on the left side face of the supporting table, a second pinion and a third adjusting gear penetrate through the second rotary rod in sequence, the second rotary rod is connected with the left side face of the supporting table in a rotating mode, a third pinion is meshed with the third adjusting gear, a third rotary rod is arranged on the left side face of the supporting table and penetrates through the third pinion and is connected with the left side face of the supporting table in a rotating mode, the upper surface of the movable sliding block is fixedly connected with a rail pushing block, a positioning block is fixedly connected with the left side face of the rail pushing block, a sliding rail groove is formed in the right side face of the rail pushing block, and two movable clamping blocks are clamped inside the sliding rail groove, the front of brace table has been seted up joint rail groove, just the inside joint in joint rail groove has the removal supporting shoe, the last fixed surface of removing the supporting shoe is connected with L type supporting shoe, the upper surface that the L type supporting shoe is close to the one end of locating piece is seted up flutedly, the diapire rotates in the recess and is connected with the bracing piece, the outer fixed surface of bracing piece is connected with fourth pinion and pointer, the one end that the L type supporting shoe is close to the locating piece is provided with the precision measurement pole.

As a still further scheme of the utility model: a conical block is arranged at one end, close to the positioning block, of the precision detection rod, a telescopic spring is arranged between the conical block and the precision detection rod, and a circular blocking piece is arranged at one end, far away from the conical block, of the precision detection rod; the conical block that sets up contacts with the locating piece to prevent that expanding spring from droing, the precision measurement pole of being convenient for after the shrink quick reset, circular separation blade prevents that the precision measurement pole from droing from L type supporting shoe.

As a still further scheme of the utility model: the outer surface of the precision detection rod is provided with teeth, the fourth pinion is meshed with the precision detection rod, the precision detection rod penetrates through the L-shaped supporting block and extends to the outside of the L-shaped supporting block, and the precision detection rod is connected with the L-shaped supporting block in a sliding mode; the tooth that precision detection pole one side set up drives the fourth pinion rotation when precision detection pole is flexible to make the fourth pinion drive the bracing piece and rotate, make the bracing piece drive the pointer and slide on the calibrated scale, the precision of seeing out the regulation that can be more clear.

As a still further scheme of the utility model: the front surface of the movable supporting block is provided with a threaded short rod, the threaded short rod penetrates through the movable supporting block, and the threaded short rod is rotatably connected with the movable supporting block; when the screw short rod is rotated, the screw short rod penetrates through the movable supporting block to be contacted with the inner wall of the clamping rail groove, so that the screw short rod jacks up the movable supporting block, the movable supporting block is pressed against the inner wall of the clamping rail groove, and the screw short rod is screwed to play a role in quickly fixing the movable supporting block.

As a still further scheme of the utility model: each movable clamping block is in threaded connection with a bidirectional threaded rod, two ends of the bidirectional threaded rod penetrate through the sliding rail groove and extend to the outside of the sliding rail groove, the outer surface of the bidirectional threaded rod is rotatably connected with the inside of the sliding rail groove, and two ends of the bidirectional threaded rod are provided with rotary torsion blocks; when the rotating block is screwed to drive the bidirectional threaded rod to rotate, the threads on the outer surfaces of the two ends of the bidirectional threaded rod can push the two movable clamping blocks to simultaneously move towards the same point or move in opposite directions, so that the effects of rapidly clamping an object and disassembling the object are achieved.

As a still further scheme of the utility model: the upper surface of the L-shaped supporting block is provided with a dial, the supporting rod sequentially penetrates through the fourth pinion, the dial and the pointer, and the supporting rod is rotatably connected with the dial; the dial upper surface is provided with the precision that can adjust, and when the pointer rotated, the precision number that can observe constantly adjusted had brought the convenience for the staff.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the third rotary rod is rotated to drive the third pinion to rotate, the third pinion drives the third adjusting gear to rotate, the third adjusting gear drives the second pinion to rotate, the second pinion drives the second adjusting gear to rotate, the second adjusting gear drives the first pinion to rotate, the diameter value of the first pinion is smaller than that of the second pinion, the first pinion drives the first adjusting gear to rotate, the first adjusting gear drives the threaded long rod to rotate, the threaded long rod pushes the track push block to move through the movable sliding block, the effect that the track push block slowly pushes a clamped object through the movable clamping block is achieved, and the problem that the traditional linear guide only plays a guiding role and precision adjustment is difficult to achieve when some high-precision workpieces are processed is solved.

2. According to the utility model, the supporting block is moved to a required position in a sliding manner, the threaded short rod is screwed for fixing, the movable supporting block drives the L-shaped supporting block to be fixed, then the precision detection rod is contacted with the positioning block, when the rail pushing block slowly pushes a clamped object through the movable clamping block, the positioning block drives the positioning block to move, the positioning block pushes the precision detection rod to stretch, the precision detection rod drives the fourth pinion to rotate through the teeth, the fourth pinion drives the pointer to rotate through the supporting rod, and the pointer rotates on the dial, so that the adjusted precision can be quickly checked.

Drawings

FIG. 1 is a schematic overall three-dimensional view of the structure of the present invention;

FIG. 2 is a schematic top view of a linear guide having a precision adjustment function according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 of the linear guide having the precision adjustment function according to the present invention;

FIG. 4 is an enlarged schematic view of a portion B of the structure of the linear guide having the precision adjustment function according to the present invention;

fig. 5 is a schematic front view of the structure of the linear guide rail having the precision adjustment function according to the present invention.

In the figure: 1. a support table; 2. a threaded long rod; 3. c, shaking the hand; 4. a first adjusting gear; 5. a first pinion gear; 6. a second adjusting gear; 7. a first rotating rod; 8. a second pinion gear; 9. a second rotating rod; 10. a third adjusting gear; 11. a third pinion gear; 12. a third rotating rod; 13. moving the slide block; 14. a rail push block; 15. positioning blocks; 16. moving the clamping block; 17. a bidirectional threaded rod; 18. moving the supporting block; 19. a threaded stub; 20. an L-shaped support block; 21. a precision detection lever; 22. a tension spring; 23. a fourth pinion gear; 24. a support bar; 25. a pointer; 26. a dial scale; 27. a groove; 28. and clamping the rail groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the present invention, a linear guide rail with a precision adjustment function includes a support table 1, a rail groove is formed on an upper surface of the support table 1, a movable slider 13 is clamped inside the rail groove, a threaded long rod 2 is screwed inside the movable slider 13, a right end of the threaded long rod 2 is rotatably connected to an inner wall of the rail groove, a left end of the threaded long rod 2 penetrates through the inner wall of the rail groove and extends to an outer portion of the rail groove, an outer surface of the threaded long rod 2 is rotatably connected to a left side surface of the support table 1, a handle 3 is fixedly connected to the left end of the threaded long rod 2, a first adjustment gear 4 is disposed on the left side surface of the support table 1, the threaded long rod 2 penetrates through the first adjustment gear 4, the first adjustment gear 4 is fixedly connected to the threaded long rod 2, a first small gear 5 is engaged with the first small gear 4, and a second adjustment gear 6 is fixedly connected to the left side surface of the first small gear 5, a first rotating rod 7 is arranged on the left side surface of the supporting platform 1, the right end of the first rotating rod 7 sequentially penetrates through a second adjusting gear 6 and a first pinion 5 and is rotatably connected with the left side surface of the supporting platform 1, the second adjusting gear 6 is meshed with a second pinion 8, a second rotating rod 9 is arranged on the left side surface of the supporting platform 1, the second rotating rod 9 sequentially penetrates through a second pinion 8 and a third adjusting gear 10, the second rotating rod 9 is rotatably connected with the left side surface of the supporting platform 1, the third adjusting gear 10 is meshed with a third pinion 11, a third rotating rod 12 is arranged on the left side surface of the supporting platform 1, the third rotating rod 12 penetrates through the third pinion 11 and is rotatably connected with the left side surface of the supporting platform 1, a track pushing block 14 is fixedly connected with the upper surface of a moving slide block 13, a positioning block 15 is fixedly connected with the left side surface of the track pushing block 14, and a slide rail groove is formed in the right side surface of the track pushing block 14, two movable clamping blocks 16 are clamped in the sliding rail groove, each movable clamping block 16 is in threaded connection with a bidirectional threaded rod 17, two ends of each bidirectional threaded rod 17 penetrate through the sliding rail groove and extend to the outside of the sliding rail groove, the outer surface of each bidirectional threaded rod 17 is rotatably connected with the inside of the sliding rail groove, two ends of each bidirectional threaded rod 17 are provided with a rotary knob, when the rotary knob is screwed to drive the bidirectional threaded rods 17 to rotate, threads on the outer surfaces of two ends of each bidirectional threaded rod 17 can push the two movable clamping blocks 16 to simultaneously move towards the same point or move oppositely, so that the effects of quickly clamping an object and disassembling the object are achieved, the front side of the supporting table 1 is provided with a clamping rail groove 28, the inside of the clamping rail groove 28 is clamped with a movable supporting block 18, the front side of the movable supporting block 18 is provided with a threaded short rod 19, the threaded short rod 19 penetrates through the movable supporting block 18, and the threaded short rod 19 is rotatably connected with the movable supporting block 18, when the screw short rod 19 is rotated, the screw short rod 19 passes through the movable supporting block 18 to contact with the inner wall of the clamping rail groove 28, so that the screw short rod 19 jacks up the movable supporting block 18, the movable supporting block 18 is tightly pressed against the inner wall of the clamping rail groove 28, therefore, when the screw short rod 19 is screwed, the function of quickly fixing the movable supporting block 18 is achieved, the upper surface of the movable supporting block 18 is fixedly connected with the L-shaped supporting block 20, the upper surface of the L-shaped supporting block 20 is provided with a dial 26, the supporting rod 24 sequentially penetrates through the fourth pinion 23, the dial 26 and the pointer 25, the supporting rod 24 is rotatably connected with the dial 26, the upper surface of the dial 26 is provided with adjustable precision, when the pointer 25 rotates, the adjusted precision can be observed constantly, convenience is brought to a worker, the upper surface of one end, close to the positioning block 15, of the L-shaped supporting block 20 is provided with a groove 27, the inner bottom wall of the groove 27 is rotatably connected with the supporting rod 24, a fourth pinion 23 and a pointer 25 are fixedly connected to the outer surface of the support rod 24, a precision detection rod 21 is arranged at one end of the L-shaped support block 20 close to the positioning block 15, a tapered block is arranged at one end of the precision detection rod 21 close to the positioning block 15, a telescopic spring 22 is arranged between the tapered block and the precision detection rod 21, a circular catch is arranged at one end of the precision detection rod 21 far away from the tapered block, the tapered block is in contact with the positioning block 15 and prevents the telescopic spring 22 from falling off, so as to facilitate rapid return after contraction of the precision detection rod 21, the circular catch prevents the precision detection rod 21 from falling off from the L-shaped support block 20, the fourth pinion 23 is meshed with the precision detection rod 21, the precision detection rod 21 penetrates through the L-shaped support block 20 and extends to the outside of the L-shaped support block 20, the precision detection rod 21 is slidably connected with the L-shaped support block 20, and teeth arranged at one side of the precision detection rod 21 drive the fourth pinion 23 to rotate when the precision detection rod 21 expands and contracts, therefore, the fourth pinion 23 drives the support rod 24 to rotate, the support rod 24 drives the pointer 25 to slide on the dial plate 26, and the adjustment precision can be clearly and clearly seen.

The working principle of the utility model is as follows: the third pinion 11 is driven to rotate by rotating the third rotating rod 12, the third pinion 11 drives the third adjusting gear 10 to rotate, the third adjusting gear 10 drives the second pinion 8 to rotate, the second pinion 8 drives the second adjusting gear 6 to rotate, the second adjusting gear 6 drives the first pinion 5 to rotate, the diameter value of the first pinion 5 is smaller than that of the second pinion 8, the first pinion 5 drives the first adjusting gear 4 to rotate, the first adjusting gear 4 drives the threaded long rod 2 to rotate, the threaded long rod 2 pushes the track push block 14 to move through the movable sliding block 13, the effect that the track push block 14 slowly pushes clamped objects through the movable clamping block 16 is achieved, the problem that the traditional linear guide rail only plays a guiding role and is difficult to achieve precision adjustment when processing some high-precision workpieces is solved, the threaded short rod 19 is screwed to fix by sliding the movable supporting block 18 to a required position, after the movable supporting block 18 drives the L-shaped supporting block 20 to be fixed, the precision detecting rod 21 is in contact with the positioning block 15, when the rail pushing block 14 slowly pushes a clamped object through the movable clamping block 16, the positioning block 15 is driven to move, the positioning block 15 pushes the precision detecting rod 21 to stretch, the precision detecting rod 21 drives the fourth pinion 23 to rotate through the teeth, the fourth pinion 23 drives the pointer 25 to rotate through the supporting rod 24, the pointer 25 is made to rotate on the dial 26, and therefore the adjusting precision can be quickly checked.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a linear guide with precision adjustment function, includes brace table (1), its characterized in that: the upper surface of the supporting table (1) is provided with a track groove, a movable sliding block (13) is clamped in the track groove, the inner thread of the movable sliding block (13) is connected with a threaded long rod (2), the right end of the threaded long rod (2) is rotatably connected with the inner wall of the track groove, the left end of the threaded long rod (2) penetrates through the inner wall of the track groove and extends to the outside of the track groove, the outer surface of the threaded long rod (2) is rotatably connected with the left side surface of the supporting table (1), the left end of the threaded long rod (2) is fixedly connected with a hand crank (3), the left side surface of the supporting table (1) is provided with a first adjusting gear (4), the threaded long rod (2) penetrates through the first adjusting gear (4), the first adjusting gear (4) is fixedly connected with the threaded long rod (2), the first adjusting gear (4) is meshed with a first small gear (5), the left side face of first pinion (5) fixedly connected with second adjusting gear (6), the left side face of brace table (1) is provided with first rotary rod (7), the right-hand member of first rotary rod (7) runs through second adjusting gear (6) and first pinion (5) in proper order and is connected with the left side face rotation of brace table (1), second adjusting gear (6) meshing has second pinion (8), the left side face of brace table (1) is provided with second rotary rod (9), second rotary rod (9) has run through second pinion (8) and third adjusting gear (10) in proper order, just second rotary rod (9) is connected with the left side face rotation of brace table (1), third adjusting gear (10) meshing has third pinion (11), the left side face of brace table (1) is provided with third rotary rod (12), the third rotating rod (12) penetrates through the third pinion (11) and is rotatably connected with the left side face of the support table (1), the upper surface of the movable sliding block (13) is fixedly connected with a track pushing block (14), the left side face of the track pushing block (14) is fixedly connected with a positioning block (15), the right side face of the track pushing block (14) is provided with a sliding track groove, two movable clamping blocks (16) are clamped in the sliding track groove, the front face of the support table (1) is provided with a clamping track groove (28), the movable supporting block (18) is clamped in the clamping track groove (28), the upper surface of the movable supporting block (18) is fixedly connected with an L-shaped supporting block (20), the upper surface of one end, close to the positioning block (15), of the L-shaped supporting block (20) is provided with a groove (27), the inner bottom wall of the groove (27) is rotatably connected with a supporting rod (24), the outer surface of the supporting rod (24) is fixedly connected with a fourth pinion (23) and a pointer (25), and one end, close to the positioning block (15), of the L-shaped supporting block (20) is provided with a precision detection rod (21).

2. The linear guide rail with the precision adjusting function according to claim 1, characterized in that: the one end that precision measurement pole (21) are close to locating piece (15) is provided with the toper piece, be provided with expanding spring (22) between toper piece and precision measurement pole (21), the one end that the toper piece was kept away from in precision measurement pole (21) is provided with circular separation blade.

3. The linear guide rail with the precision adjusting function according to claim 2, characterized in that: the outer surface of the precision detection rod (21) is provided with teeth, the fourth pinion (23) is meshed with the precision detection rod (21), the precision detection rod (21) penetrates through the L-shaped supporting block (20) and extends to the outside of the L-shaped supporting block (20), and the precision detection rod (21) is connected with the L-shaped supporting block (20) in a sliding mode.

4. The linear guide rail with the precision adjusting function according to claim 1, characterized in that: the front surface of the movable supporting block (18) is provided with a threaded short rod (19), the threaded short rod (19) penetrates through the movable supporting block (18), and the threaded short rod (19) is rotatably connected with the movable supporting block (18).

5. The linear guide rail with the precision adjusting function according to claim 1, characterized in that: every remove clamp splice (16) threaded connection has two-way threaded rod (17), the outside that the slide rail groove was run through and extended to the slide rail groove in the both ends of two-way threaded rod (17), just the inside in slide rail groove is connected in the surface rotation of two-way threaded rod (17), the both ends of two-way threaded rod (17) are provided with the rotation and turn round the piece.

6. The linear guide rail with the precision adjusting function according to claim 1, characterized in that: the upper surface of L type supporting shoe (20) is provided with calibrated scale (26), bracing piece (24) run through fourth pinion (23), calibrated scale (26) and pointer (25) in proper order, just bracing piece (24) rotate and connect calibrated scale (26).