CN217558925U

CN217558925U - Flange adjustable ball screw

Info

Publication number: CN217558925U
Application number: CN202220228269.5U
Authority: CN
Inventors: 王衍聪
Original assignee: Lishui Zhongchi Precision Technology Co ltd
Current assignee: Lishui Zhongchi Precision Technology Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-10-11
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a ball screw with adjustable flange, the lead screw comprises a screw rod, be provided with straight nut on the screw rod, straight nut is last to rotate and has been installed first ring flange, the bottom on straight nut surface is provided with the second ring flange that uses with the cooperation of first ring flange, all be provided with complementary unit on first ring flange, second ring flange and the straight nut, three groups of movable tanks have all been seted up on first ring flange and the second ring flange, the utility model discloses utilize complementary unit can be according to the different intervals of screw hole and the different thickness of butt joint article on the different butt joint article, adjust the interval of screw hole on the ball screw flange and the interval between two sets of flanges, improved the regulation effect of ball screw upper flange, simultaneously through setting up draw runner and spacing slide, be convenient for slide the movable block spacing, avoid the movable block to drop when removing to the stability when having improved first ring flange and second ring flange and butt joint article.

Description

Flange adjustable ball screw

Technical Field

The utility model relates to a ball screw technical field especially relates to a ball screw with adjustable flange.

Background

The ball screw is a transmission element which is most commonly used in tool machinery and precision machinery, and is widely applied to various industrial equipment and precision instruments, and a user needs to preset a flange on a straight barrel nut of the ball screw so as to fix an object to be moved.

However, the flanges on the traditional ball screw are mostly fixed and cannot be adjusted, the screw holes cannot be aligned with different butt joint objects according to different distances between the screw holes and different thicknesses of the butt joint objects, the screw holes on the ball screw flanges and the distances between the two sets of flanges are adjusted, and then the ball screw and the objects are easily dislocated during butt joint, and meanwhile, a large distance can be generated, the fixed effect is influenced, the ball screw needs to be updated, the efficiency is greatly influenced, so that the flange-adjustable ball screw is provided, and the problem of the flange-adjustable ball screw is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the flange on traditional ball screw and being fixed unable regulation mostly, can't adjust the interval of screw hole on the ball screw flange and the shortcoming of interval between two sets of flanges according to the different intervals of screw hole on the different butt joint article and the different thickness of butt joint article, and the ball screw with adjustable flange that proposes.

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

the utility model provides a ball screw with adjustable flange, includes the screw rod, be provided with straight nut on the screw rod, rotate on the straight nut and installed first ring flange, the bottom on straight nut surface is provided with the second ring flange that uses with the cooperation of first ring flange, all be provided with complementary unit on first ring flange, second ring flange and the straight nut, three movable grooves of group have all been seted up on first ring flange and the second ring flange.

Preferably, the complementary unit includes the auxiliary bearing, the inner circle fixed connection of auxiliary bearing is on straight section of thick bamboo nut, the outer lane of auxiliary bearing and the inner circle fixed connection of first ring flange, the inner circle fixed connection of second ring flange changes the cover and changes the inner circle of cover and be connected with the surperficial rotation of straight section of thick bamboo nut, swing joint has the movable frame in the activity inslot, it is provided with the movable block to slide in the movable frame, the screw hole has been seted up on the movable block, all set up three fixed slots that use with the activity groove cooperation in first ring flange and the second ring flange, the symmetry slides in the fixed slot and is provided with the movable plate, one side fixed connection that the movable plate is close to the movable frame is on the movable frame, straight section of thick bamboo nut is last to be provided with the bottom laminating of threaded sleeve and threaded sleeve's top and second ring flange.

Preferably, the top and the bottom of the moving block, which are close to one side of the moving plate, are both fixedly connected with a slide bar, and a limiting slide way matched with the slide bar for use is arranged in the moving frame.

Preferably, the bottom of the surface of the straight barrel nut is provided with a plurality of groups of external threads matched with the threaded sleeve for use along the vertical direction.

Preferably, grooves are vertically formed in the periphery of the surface of the threaded sleeve, and the first flange plate and the second flange plate are the same in diameter.

Preferably, three sets of the movable grooves are uniformly distributed on the first flange plate and the second flange plate.

Preferably, the moving plate and the fixing groove are both arc-shaped structures.

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

1. the utility model discloses in, through setting up auxiliary mechanism, under the assistance of auxiliary bearing and commentaries on classics cover, make first ring flange and second ring flange rotate on the straight nut, convenient to use person rotates the screw hole on the movable block and the screw hole on the butt joint article to the nearest coincidence department fast, then the user docks screw pole and the screw hole on the movable block in advance, and under the assistance of movable plate and fixed slot, adjust the position of movable frame, and utilize the screw pole to stimulate the movable block, make it move in the movable frame, until the screw hole on the movable block coincides with the screw hole on the butt joint article, and make the screw pole accurately insert wherein, be convenient for fix first ring flange and butt joint article, utilize threaded connection between threaded sleeve and the straight nut simultaneously, can make threaded sleeve unimpeded rotatory the moving up on the straight nut, thereby can promote second ring flange and commentaries on classics cover and move on the straight nut, be convenient for change the interval between first ring flange and the second ring flange according to the different thickness of butt joint article, later repeated butt joint step, can be convenient for the second ring flange and the ball on the article on the straight nut adjust the interval, the screw pole and the flange according to the different thickness of the different distance on the article;

2. the utility model discloses in, through setting up draw runner and spacing slide, it is spacing to be convenient for slide the movable block, avoids the movable block to drop when removing, has improved the overall stability of movable block to stability when having improved first ring flange and second ring flange and butt joint article butt joint.

The utility model discloses utilize complementary unit can be according to the different intervals of screw hole on the different butt joint article and the different thickness of butt joint article, adjust the interval of screw hole on the ball screw flange and the interval between two sets of flanges, improved the regulation effect of ball screw upper flange.

Drawings

Fig. 1 is a schematic structural view of a flange adjustable ball screw according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a structural bottom view of the flange adjustable ball screw provided by the present invention;

fig. 4 is a structural perspective view of the screw and the straight nut of the present invention;

fig. 5 is a top sectional view of the first flange according to the present invention.

In the figure: 1. a screw; 2. a straight barrel nut; 3. a first flange plate; 4. a second flange plate; 5. a movable groove; 6. an auxiliary mechanism; 601. an auxiliary bearing; 602. a movable frame; 603. moving the plate; 604. fixing grooves; 605. a moving block; 606. a threaded sleeve; 607. rotating the sleeve; 7. a limiting slide way; 8. and (4) a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example one

Referring to fig. 1-5, a ball screw with adjustable flange, including screw rod 1, be provided with straight nut 2 on the screw rod 1, it has installed first ring flange 3 to rotate on the straight nut 2, the bottom on straight nut 2 surface is provided with second ring flange 4 that uses with first ring flange 3 cooperation, first ring flange 3, all be provided with complementary unit 6 on second ring flange 4 and the straight nut 2, all set up three movable grooves 5 of group on first ring flange 3 and the second ring flange 4, complementary unit 6's design, be convenient for according to the different intervals of the screw hole on the different butt joint article and the different thickness of butt joint article, adjust the interval of the screw hole on the ball screw flange and the interval between two sets of flanges, the regulating effect of the flange on the ball screw has been improved.

Example two

Referring to fig. 1-5, the utility model provides a new technical scheme: a flange-adjustable ball screw comprises a screw rod 1, a straight barrel nut 2 is arranged on the screw rod 1, a first flange 3 is rotatably arranged on the straight barrel nut 2, a second flange 4 matched with the first flange 3 for use is arranged at the bottom of the surface of the straight barrel nut 2, auxiliary mechanisms 6 are respectively arranged on the first flange 3, the second flange 4 and the straight barrel nut 2, each auxiliary mechanism 6 comprises an auxiliary bearing 601, the inner ring of the auxiliary bearing 601 is fixedly connected onto the straight barrel nut 2, the outer ring of the auxiliary bearing 601 is fixedly connected with the inner ring of the first flange 3, the inner ring of the second flange 4 is fixedly connected with a rotating sleeve 607, the inner ring of the rotating sleeve 607 is rotatably connected with the surface of the straight barrel nut 2, a movable frame 602 is movably connected in a movable groove 5, a movable block 605 is slidably arranged in the movable frame 602, and a sliding strip 8 is fixedly connected at the top and the bottom of one side of the movable block 605 close to a movable plate 603, the movable frame 602 is internally provided with a limiting slideway 7 matched with the sliding strip 8 for use, so that the movable block 605 can be conveniently limited in a sliding manner, the movable block 605 is prevented from falling off during movement, the overall stability of the movable block 605 is improved, and the stability of the butt joint of the first flange plate 3 and the second flange plate 4 with butt-jointed objects is improved, the movable block 605 is provided with screw holes, three groups of fixed grooves 604 matched with the movable grooves 5 for use are respectively arranged in the first flange plate 3 and the second flange plate 4, a movable plate 603 is symmetrically and slidably arranged in the fixed grooves 604, one side of the movable plate 603 close to the movable frame 602 is fixedly connected on the movable frame 602, the straight barrel nut 2 is provided with a threaded sleeve 606, the top of the threaded sleeve 606 is attached to the bottom of the second flange plate 4, and the bottom of the surface of the straight barrel nut 2 is provided with a plurality of external threads matched with the threaded sleeve 606 in an up-down direction, the design of external screw thread, can assist threaded sleeve 606 and stably rotate on straight barrel nut 2 and move up, movable plate 603 and fixed slot 604 all are the arc structure, can make movable plate 603 rotate in fixed slot 604 internal stability, three groups of movable tanks 5 have all been seted up on first ring flange 3 and the second ring flange 4, three groups of movable tanks 5 evenly distributed on first ring flange 3 and second ring flange 4, the atress is even when can making first ring flange 3 and second ring flange 4 and butt joint article fix, docking stability has been improved, simultaneously the design of complementary unit 6, be convenient for according to the different intervals of screw hole on the different butt joint article and the different thickness of butt joint article, adjust the interval of screw hole on the ball screw flange and the interval between two sets of flanges, the regulating effect of flange on the ball screw has been improved, threaded sleeve 606 surface all vertically has seted up the recess all around, the diameter of first ring flange 3 and second ring flange 4 is the same, the design of recess, the surface friction of threaded sleeve 606 has been improved, the first ring flange 3 and the second ring flange 4 of the same diameter, can make the specification of accessory keep unanimous.

The working principle is as follows: the user rotates the first flange plate 3, can rotate the screw hole on the movable block 605 and the screw hole on the butt joint article to the nearest coincidence department fast, then the user docks screw pole and the screw hole on the movable block 605 in advance, and remove the movable frame 602, the movable frame 602 can drive the movable plate 603 to move in the fixed slot 604 this moment, stabilize the regulation to the position of movable frame 602, and utilize the screw pole to stimulate the movable block 605, make it move in the movable frame 602, until the screw hole on the movable block 605 and the screw hole on the butt joint article coincide, the user rotates the screw pole, insert it in the screw hole on the butt joint article and screw it accurately, thereby fix first flange plate 3 and butt joint article, the user rotates the threaded sleeve 606 simultaneously, utilize the threaded connection between threaded sleeve 606 and the straight nut 2, can make the threaded sleeve 606 move up on the straight nut 2 without hindrance rotation, thereby can promote the second flange plate 4 and the swivel nut 607 to move on the straight nut 2, thereby can change the interval between first flange plate 3 and the second flange plate 4 according to different thickness of butt joint article, until the second flange plate 4 contacts with the butt joint article, can simply adjust the whole butt joint article fast and simple and convenient process.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a ball screw with adjustable flange, includes screw rod (1), its characterized in that, be provided with straight nut (2) on screw rod (1), rotate on straight nut (2) and installed first ring flange (3), the bottom on straight nut (2) surface is provided with second ring flange (4) that use with first ring flange (3) cooperation, all be provided with complementary unit (6) on first ring flange (3), second ring flange (4) and straight nut (2), all seted up three groups of activity groove (5) on first ring flange (3) and second ring flange (4).

2. The flange adjustable ball screw according to claim 1, wherein the auxiliary mechanism (6) comprises an auxiliary bearing (601), an inner ring of the auxiliary bearing (601) is fixedly connected to the straight nut (2), an outer ring of the auxiliary bearing (601) is fixedly connected to an inner ring of the first flange (3), an inner ring of the second flange (4) is fixedly connected to a rotating sleeve (607), an inner ring of the rotating sleeve (607) is rotatably connected to a surface of the straight nut (2), a movable frame (602) is movably connected to the movable groove (5), a movable block (605) is slidably disposed in the movable frame (602), a screw hole is formed in the movable block (605), three groups of fixing grooves (604) matched with the movable groove (5) are formed in the first flange (3) and the second flange (4), a movable plate (603) is symmetrically slidably disposed in the fixing grooves (604), one side of the movable plate (603) close to the movable frame (602) is fixedly connected to the movable frame (602), a threaded sleeve (606) is disposed on the straight nut (2), and a top of the sleeve (606) is attached to a bottom of the second flange (4).

3. The flange adjustable ball screw according to claim 2, wherein the top and the bottom of the moving block (605) near one side of the moving block (603) are both fixedly connected with a slide bar (8), and a limiting slide way (7) matched with the slide bar (8) is arranged in the moving block (602).

4. The flange adjustable ball screw according to claim 1, wherein the bottom of the surface of the straight barrel nut (2) is provided with a plurality of groups of external threads matched with the threaded sleeve (606) along the vertical direction.

5. The ball screw with the adjustable flange according to claim 2, wherein the periphery of the surface of the threaded sleeve (606) is vertically provided with a groove, and the diameters of the first flange plate (3) and the second flange plate (4) are the same.

6. A flange adjustable ball screw according to any one of claims 1-3, characterized in that three sets of said grooves (5) are evenly distributed on the first flange (3) and the second flange (4).

7. The flange adjustable ball screw according to claim 2, wherein the moving plate (603) and the fixing groove (604) are both arc-shaped.