CN220286934U

CN220286934U - Ball transmission mechanism

Info

Publication number: CN220286934U
Application number: CN202322015503.3U
Authority: CN
Inventors: 白喻文; 周峰柱; 昝清振; 刘明新
Original assignee: Ji'nan An Qiang Intelligent Equipment Co ltd
Current assignee: Ji'nan An Qiang Intelligent Equipment Co ltd
Priority date: 2023-07-29
Filing date: 2023-07-29
Publication date: 2024-01-02
Anticipated expiration: 2033-07-29

Abstract

The utility model relates to the technical field of ball transmission, in particular to a ball transmission mechanism, which comprises the following technical scheme: fixed plate, fixed sleeve and pulley, the fixed plate top both sides weld respectively and have the backup pad, two the backup pad is embedded respectively and is installed the bearing, two bearing inner loop fixed mounting has the lead screw, servo motor is installed to fixed plate one side, fixed sleeve internally mounted has the ball, the fixed sleeve passes through the ball and is connected with the lead screw meshing, two the welding of backup pad opposite side has the gag lever post, the movable hole has been seted up to the fixed sleeve, the gag lever post passes the movable hole, the inside movable hole of fixed sleeve is inside installs the pulley in the equidistance rotation about both ends respectively, fixed sleeve top welding has the connecting plate, the cylinder is installed respectively to connecting plate top both sides. The utility model has the advantages of limiting the fixed sleeve and avoiding the fixed sleeve from shaking when moving.

Description

Ball transmission mechanism

Technical Field

The utility model relates to the technical field of ball transmission, in particular to a ball transmission mechanism.

Background

The ball screw transmission is a mechanical transmission mode, and the transmission of the rotation motion is realized by rolling of the balls on screw threads of the screw.

Publication No.: CN215596330U, a ball spline connection drive mechanism, including the brace table, install the spline housing through spline mount pad and first bearing rotation on the brace table, slidable is provided with the spline shaft in the spline housing, and the spline shaft can not produce rotatablely for the spline housing, realize the installation of spline shaft, one side of brace table is provided with the cylinder, the top of cylinder is rotated with the top of spline shaft through the cooperation of link and second bearing and is connected, the lift of the control spline shaft through the cylinder, the opposite side of brace table is provided with first motor through the motor cabinet, first motor passes through the synchronizing wheel, from driving wheel and hold-in range cooperation drive spline housing rotation, thereby drive the spline shaft and rotate, make the spline shaft can transmit torque, improve the mechanical operation performance of spline shaft, one side of brace table is connected with horizontal migration subassembly, drive the horizontal linear displacement of brace table through ball screw and screw nut's cooperation, thereby realize the horizontal linear displacement of spline shaft.

To sum up, in the prior art CN215596330U, the lead screw nut is limited by the limiting block and the limiting rod, the limiting rod is slidably connected with the limiting block, and a certain gap is formed between the limiting rod and the limiting block, so that when the lead screw nut moves on the ball screw, the lead screw nut can shake by a certain amplitude.

Disclosure of Invention

The utility model aims to provide a ball transmission mechanism, which has the advantages of limiting a fixed sleeve and avoiding shaking when the fixed sleeve moves, and solves the problem that a structure on the ball transmission mechanism is easy to shake when moving.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ball drive mechanism, includes fixed plate, fixed sleeve and pulley, the fixed plate top both sides weld respectively has the backup pad, two the backup pad is embedded respectively and is installed the bearing, two bearing inner ring fixed mounting has the lead screw, servo motor is installed to fixed plate one side, fixed sleeve internally mounted has the ball, the fixed sleeve passes through the ball and is connected with the lead screw meshing, two the welding of backup pad opposite side has the gag lever post, the movable hole has been seted up to the fixed sleeve, the gag lever post passes the movable hole, the inside upper and lower both ends equidistance rotation respectively of movable hole of fixed sleeve is installed the pulley, fixed sleeve top welding has the connecting plate, the cylinder is installed respectively to connecting plate top both sides.

When using a ball drive mechanism among this technical scheme, through the fixed orifices, use instruments such as bolt, install suitable position with the mount, put the connecting plate top with the object, two cylinders promote two fly leaves and do the removal of relative direction, two fly leaves are fixed object centre gripping, servo motor drive gives the connecting rod pole, the connecting rod pole drives the lead screw and rotates, the fixed cover passes through the ball and removes on pivoted lead screw, the fixed cover passes through the connecting plate and drives object movement position, the fixed cover is when removing, remove on the gag lever post through the movable hole, two sets of pulleys in the movable hole slide on the gag lever post, spacing to the fixed cover, take place to rock when preventing the fixed cover to remove.

Preferably, the transmission end of the servo motor is provided with a connecting rod, and one end of the connecting rod, which is away from the servo motor, is welded with the screw rod. The servo motor drives the connecting shaft rod, and the connecting shaft rod drives the screw rod to rotate.

Preferably, the two groups of pulleys are respectively contacted with the upper end and the lower end of the limiting rod. When the fixed sleeve moves, the two groups of pulleys slide on the limiting rod.

Preferably, the bottom of the fixed sleeve is provided with a sliding block, and the bottom of the sliding block is contacted with the top of the fixed plate. The slider provides supporting force for the fixed cover, and the fixed cover is when removing, and the slider slides at fixed plate top.

Preferably, two opposite ends of the cylinder are respectively provided with a movable plate, and two opposite sides of the two movable plates are respectively provided with an anti-slip pad. The two cylinders push the two movable plates to move in opposite directions, the two movable rods clamp and fix the object, and the anti-slip pad increases friction with the object.

Preferably, a distance is left between the bottom of the connecting plate and the tops of the two supporting plates. When the connecting plate moves, the connecting plate cannot interfere with the supporting plate.

Preferably, the bottom of the fixing plate is welded with a fixing frame, the bottom of the fixing frame is provided with fixing holes in a rectangular array, and the fixing holes penetrate through the upper end and the lower end of the fixing frame. The fixing frame is mounted at a proper position through the fixing holes by using tools such as bolts.

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

according to the utility model, the limiting rod, the movable hole and the pulleys are arranged, when the fixed sleeve moves, the movable hole moves on the limiting rod, and the two groups of pulleys in the movable hole slide on the limiting rod to limit the fixed sleeve, so that the fixed sleeve is limited, and the shaking effect of the fixed sleeve during movement is avoided.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is a schematic cross-sectional view of the fixing sleeve of the present utility model.

In the figure: 1. a fixing frame; 2. a fixing plate; 3. a support plate; 4. a bearing; 5. a screw rod; 6. a cylinder; 7. a movable plate; 8. a connecting plate; 9. a fixed sleeve; 10. an anti-slip pad; 11. a connecting rod lever; 12. a servo motor; 13. a limit rod; 14. a slide block; 15. a fixing hole; 16. a movable hole; 17. a ball; 18. and (3) a pulley.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-3, the ball transmission mechanism provided by the utility model comprises a fixed plate 2, a fixed sleeve 9 and pulleys 18, wherein the two sides of the top of the fixed plate 2 are respectively welded with a supporting plate 3, two supporting plates 3 are respectively embedded with bearings 4, screw rods 5 are fixedly arranged in the two bearings 4, a servo motor 12 is arranged at one side of the fixed plate 2, a connecting rod 11 is arranged at the transmission end of the servo motor 12, one end of the connecting rod 11, which is far away from the servo motor 12, is welded with the screw rods 5, a ball 17 is arranged in the fixed sleeve 9, the fixed sleeve 9 is in meshed connection with the screw rods 5 through the ball 17, a limiting rod 13 is welded at one side opposite to the two supporting plates 3, a movable hole 16 is formed in the fixed sleeve 9, the limiting rod 13 penetrates through the movable hole 16, the upper end and the lower end in the movable hole 16 in the fixed sleeve 9 are respectively equidistantly rotatably provided with the pulleys 18, the two groups of the pulleys 18 are respectively contacted with the upper end and the lower end of the limiting rod 13, a sliding block 14 is arranged at the bottom of the fixed sleeve 9, the bottom of the sliding block 14 is contacted with the top of the fixed plate 2, a connecting plate 8 is welded at the top of the fixed sleeve 9, air cylinders 6 are respectively arranged at two sides of the top of the connecting plate 8, the opposite ends of the movable plate 7 are respectively, the two sides of the movable plate 7 are respectively provided with rectangular plates 7 are respectively, two sides 7 are respectively, two fixed to the fixed mount 1 are respectively, two fixed mount 15 are respectively, and the two fixed to the fixed mount 1 are respectively, 15 are respectively and 15 are arranged at opposite sides opposite to the bottom ends of the movable plate 1 and 15 and are respectively, and the fixed to the bottom 1 and 15.

In this embodiment, through fixed orifices 15, use instruments such as bolt, install the mount 1 suitable position, put the connecting plate 8 top with the object, two cylinders 6 promote two fly leaves 7 and do the relative direction remove, two fly leaves 7 are fixed with object centre gripping, servo motor 12 transmission gives the connecting rod pole 11, connecting rod pole 11 drives lead screw 5 and rotates, fixed cover 9 passes through ball 17 and moves on pivoted lead screw 5, fixed cover 9 passes through connecting plate 8 and drives the object and move the position, fixed cover 9 is when moving, move on gag lever post 13 through movable orifice 16, two sets of pulleys 18 in the movable orifice 16 slide on gag lever post 13, carry out spacing to fixed cover 9, prevent that fixed cover 9 from taking place to rock when moving.

Example two

As shown in fig. 1-3, compared with the first embodiment, the ball transmission mechanism of the present utility model further includes: the support plate 3 and the connecting plate 8, the distance is left between the bottom of the connecting plate 8 and the top of the two support plates 3.

In this embodiment, the distance between the bottom of the connection plate 8 and the top of the two support plates 3 prevents the connection plate 8 from interfering with the support plates 3 during movement.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a ball drive mechanism, includes fixed plate (2), fixed cover (9) and pulley (18), its characterized in that: the utility model discloses a motor, including fixed plate (2), fixed sleeve (9), locating lever (13) are welded on both sides of fixed plate (2) top respectively, two backup pad (3) are embedded respectively and are installed bearing (4), two fixed sleeve (9) inside is installed in fixed plate (2) one side has servo motor (12), fixed sleeve (9) are connected with lead screw (5) meshing through ball (17), two backup pad (3) opposite side welding has locating lever (13), movable hole (16) have been seted up to fixed sleeve (9), locating lever (13) pass movable hole (16), both ends are equidistant rotation respectively installs pulley (18) about in movable hole (16) inside fixed sleeve (9), fixed sleeve (9) top welding has connecting plate (8), cylinder (6) are installed respectively to connecting plate (8) top both sides.

2. A ball drive mechanism as defined in claim 1 wherein: the transmission end of the servo motor (12) is provided with a connecting rod (11), and one end of the connecting rod (11) deviating from the servo motor (12) is welded with the screw rod (5).

3. A ball drive mechanism as defined in claim 1 wherein: the two groups of pulleys (18) are respectively contacted with the upper end and the lower end of the limiting rod (13).

4. A ball drive mechanism as defined in claim 1 wherein: the bottom of the fixed sleeve (9) is provided with a sliding block (14), and the bottom of the sliding block (14) is contacted with the top of the fixed plate (2).

5. A ball drive mechanism as defined in claim 1 wherein: the two opposite ends of the air cylinders (6) are respectively provided with a movable plate (7), and the opposite sides of the two movable plates (7) are respectively provided with an anti-slip pad (10).

6. A ball drive mechanism as defined in claim 1 wherein: a distance is reserved between the bottom of the connecting plate (8) and the tops of the two supporting plates (3).

7. A ball drive mechanism as defined in claim 1 wherein: the bottom of the fixing plate (2) is welded with a fixing frame (1), fixing holes (15) are formed in the bottom of the fixing frame (1) in a rectangular array, and the fixing holes (15) penetrate through the upper end and the lower end of the fixing frame (1).