CN219413430U - High-precision integrated left-right rotation linear module - Google Patents

Abstract

The utility model belongs to the technical field of high-precision linear module positioning, in particular to a high-precision integrated left-right rotation linear module which comprises a guide rail, wherein a motor base and a bearing seat are respectively and fixedly arranged at two ends of the guide rail, a pair of angle contact ball bearings are fixedly arranged in the motor base, a pair of deep groove ball bearings are fixedly arranged in the bearing seat, and a ball screw is rotatably arranged between the angle contact ball bearings and the deep groove ball bearings. The utility model can realize the same-direction and opposite-direction movement of the two slide block nuts through the ball screw, and has the advantages of good positioning precision, high reliability, simple integral structure, low cost, high automation degree, convenient operation, compact structure of the linear module, small occupied space and capability of meeting various installation modes.

Description

High-precision integrated left-right rotation linear module

Technical Field

The utility model relates to the technical field of high-precision linear module positioning, in particular to a high-precision integrated left-right-handed linear module.

Background

The linear module is a universal transmission element in automatic equipment, and the working principle of the linear module is that the linear module is a modularized product which realizes repeated linear motion by using a ball screw (or a synchronous belt) and a linear guide rail as main power. The linear module driven by the ball screw mainly comprises a guide rail, the ball screw, a sliding block nut, a motor seat, a bearing seat, a sliding block reverser, a nut reverser, an adapter plate, a shield, a bearing and the like. The linear module has been used in various kinds of automation equipment due to its fast moving speed and high repeated positioning accuracy.

In recent years, automation equipment is developed at a high speed, new requirements are put forward on an automation production line, the automation production line puts forward requirements on a robot end actuating mechanism (manipulator) such as light weight, small size, high rigidity, long service life and the like, and the traditional linear module cannot meet market requirements, so that a high-precision and integrated left-right rotation linear module is put forward to solve the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a high-precision integrated left-right rotation linear module, and solves the problem that the quality, the volume, the precision and the like of the traditional linear module in the prior art are difficult to meet the market demand.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a high accuracy, integration left and right sides spiral linear module, includes the guide rail, the both ends of guide rail are fixed mounting respectively has motor cabinet and bearing frame, the inside fixed mounting of motor cabinet has a pair of angle contact ball bearing, the inside fixed mounting of bearing frame has a pair of deep groove ball bearing, rotate between angle contact ball bearing and the deep groove ball bearing and install ball, ball's surface is provided with left and right sides ball screw, and left and right sides ball screw is symmetrical about the guide rail center, and the symmetry is 0.03mm, left slider nut and right slider nut are installed respectively to the ball both sides, left slider nut and right slider nut's inner wall is provided with left nut and right nut returner respectively, the equal fixed mounting of both ends of left slider nut and right slider nut has slider returner, be provided with the steel ball between left slider nut and right slider nut and the slider returner, the equal fixed mounting of upper surface of left slider nut and right slider nut has the keysets.

Further, the section of the guide rail is U-shaped groove, straight channels are formed in the inner walls of the two sides of the guide rail, and the straight channels are formed in the two side walls of the left slider nut and the right slider nut and can linearly move in the guide rail through the steel balls.

Further, bearing covers and locking nuts are respectively arranged on two sides of the angular contact ball bearing, the locking nuts are fixed on the inner side wall of the motor base, the bearing covers are fixedly arranged at one end, facing the bearing seat, of the motor base, and the bearing covers and the locking nuts are sleeved outside the ball screw.

Further, one side of the bearing seat far away from the angular contact ball bearing is provided with a shaft check ring, one end of the ball screw far away from the angular contact ball bearing is provided with a clamping groove, the shaft check ring is sleeved on the clamping groove of the ball screw, and one side wall of the shaft check ring is in butt joint with the side face of the deep groove ball bearing.

Further, the top of the opposite side wall of motor cabinet and bearing frame is fixed mounting has the guard shield, the keysets is U type cross-section and is U type groove form, and its both sides inner wall is laminated with the side of guard shield, the upper end of keysets all extends the top of guard shield.

(III) beneficial effects

Compared with the prior art, the utility model provides a high-precision integrated left-right rotation linear module, which has the following beneficial effects:

according to the utility model, through arranging the guide rail, the motor base, the ball screw, the angular contact ball bearing, the deep groove ball bearing, the slider reversing device, the left slider nut, the right slider nut, the bearing seat and the nut reversing device, the two slider nuts can move in the same direction and in opposite directions through the ball screw, the positioning precision is good, the reliability is high, the whole structure is simple, the cost is low, the automation degree is high, the operation is very convenient, meanwhile, the linear module is compact in structure, the occupied space is small, and multiple installation modes can be met in practice.

Drawings

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

FIG. 2 is an expanded view of the three-dimensional structure of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the present utility model;

fig. 4 is a schematic view of the structure of the left slider nut and the right slider nut of the present utility model.

In the figure: 1. a guide rail; 2. a motor base; 3. a ball screw; 4. a lock nut; 5. angular contact ball bearings; 6. a bearing gland; 7. a slider reverser; 8. a left slider nut; 9. an adapter plate; 10. a shield; 11. a right slider nut; 12. deep groove ball bearings; 13. a bearing seat; 14. a retainer ring for the shaft; 15. a left nut reverser; 16. the right nut is returned to the device.

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.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the high-precision integrated left-right rotation linear module provided by the embodiment of the utility model comprises a guide rail 1, wherein a motor base 2 and a bearing base 13 are fixedly arranged at two ends of the guide rail 1 respectively, a pair of angle contact ball bearings 5 are fixedly arranged in the motor base 2, a pair of deep groove ball bearings 12 are arranged in the bearing base 13, a ball screw 3 is rotatably arranged between the angle contact ball bearings 5 and the deep groove ball bearings 12, left-right rotation ball threads are arranged on the surface of the ball screw 3, the left-right rotation ball threads are symmetrical about the center of the guide rail 1, the symmetry degree is 0.03mm, a left slider nut 8 and a right slider nut 11 are respectively arranged at two sides of the ball screw 3, a left nut return 15 and a right nut return 16 are respectively arranged on inner walls of the left slider nut 8 and the right slider nut 11, a slider return 7 is fixedly arranged at two ends of the left slider nut 8 and the right slider nut 11 respectively, a steel ball is arranged between the left slider nut 8 and the right slider return 11 and the slider return 7, and the upper surface 9 of the left slider nut 8 and the right slider nut 11 are fixedly arranged; in summary, through the left nut reverser 15, the right nut reverser 16 and the steel balls, the left slider nut 8 and the right slider nut 11 can do rotary motion on the ball screw 3, or the ball screw 3 and the left slider nut and the right slider nut do relative linear motion, the left slider nut 8 and the right slider nut 11 can be linearly moved in the U-shaped groove of the guide rail 1 through the slider reverser 7 and the steel balls, the two slider nuts can move in the same direction and in the opposite direction through the ball screw 3, the positioning precision is good, the reliability is high, the whole structure is simple, the cost is low, the automation degree is high, the operation is very convenient, meanwhile, the linear module has compact structure and small occupied space, and various mounting modes can be met.

As shown in fig. 2, in some embodiments, the section of the guide rail 1 is in a U-shaped groove shape, and both side walls of the guide rail are provided with straight channels, and both side walls of the left slider nut 8 and the right slider nut 11 are also provided with straight channels, so that the two slider nuts move in the guide rail 1 linearly through the steel balls, and the movement is stable and free from tremors.

As shown in fig. 2 and 3, in some embodiments, a bearing cover 6 and a lock nut 4 are respectively arranged on two sides of the angular contact ball bearing 5, the lock nut 4 is fixed on the inner side wall of the motor base 2, the bearing cover 6 is fixedly arranged at one end of the motor base 2 facing to the bearing base 13, and the bearing cover 6 and the lock nut 4 are both sleeved outside the ball screw 3; a ball screw 3 with accessories such as a sliding block nut and the like mounted thereon is arranged above a guide rail 1, one end of the ball screw is arranged on the inner side of a motor base 2 and is supported by a pair of angle contact ball bearings 5, and the ball screw is tightly fixed by a bearing gland 6 and a locking nut 4.

As shown in fig. 3, in some embodiments, a shaft retainer ring 14 is disposed on a side of the bearing seat 13 away from the angular ball bearing 5, a clamping groove is disposed on an end of the ball screw 3 away from the angular ball bearing 5, the shaft retainer ring 14 is sleeved on the clamping groove of the ball screw 3, and a side wall of the shaft retainer ring is abutted against a side surface of the deep groove ball bearing 12; the ball screw 3 with the accessories such as the sliding block nut and the like is arranged above the guide rail 1, the other end of the ball screw is arranged in a bearing seat 13 and is supported by a pair of deep groove ball bearings 12, and the ball screw is limited by a check ring 14 for a shaft.

As shown in fig. 1, 2 and 3, in some embodiments, a shroud 10 is fixedly installed at the top end of one side wall opposite to the motor base 2 and the bearing seat 13, the adapter plate 9 is in a U-shaped groove shape in cross section, inner walls at two sides of the adapter plate are attached to the side surfaces of the shroud 10, and the upper ends of the adapter plate 9 extend above the shroud 10; the arrangement of the shield 10 can not only prevent the module from having foreign matters and impurities falling into the circulation of the ball screw 3 under severe environment, thereby influencing the operation precision, but also prolonging the service life of the linear module.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a high accuracy, integration left and right sides spiral linear module, includes guide rail (1), its characterized in that: the novel steel ball reversing device is characterized in that the two ends of the guide rail (1) are fixedly provided with a motor base (2) and a bearing seat (13) respectively, a pair of angle contact ball bearings (5) are fixedly arranged in the motor base (2), a pair of deep groove ball bearings (12) are fixedly arranged in the bearing seat (13), a ball screw (3) is rotatably arranged between the angle contact ball bearings (5) and the deep groove ball bearings (12), the surface of the ball screw (3) is provided with left-right rotary ball threads, the left-right rotary ball threads are symmetrical about the center of the guide rail (1) and have symmetry of 0.03mm, the two sides of the ball screw (3) are respectively provided with a left slider nut (8) and a right slider nut (11), the inner walls of the left slider nut (8) and the right slider nut (11) are respectively provided with a left nut reversing device (15) and a right nut reversing device (16), the two ends of the left slider nut (8) and the right slider nut (11) are fixedly provided with a slider reversing device (7), and the left slider nut (8), the right slider nut (11) and the right slider nut (7) are fixedly provided with a steel ball reversing plate (9).

2. The high-precision integrated left-right handed linear module according to claim 1, wherein: the section of the guide rail (1) is U-shaped groove-shaped, straight channels are formed in the inner walls of the two sides of the guide rail, and the straight channels are formed in the two side walls of the left slider nut (8) and the right slider nut (11) and can linearly move in the guide rail (1) through steel balls.

3. The high-precision integrated left-right handed linear module according to claim 1, wherein: the bearing cover is characterized in that bearing covers (6) and locking nuts (4) are respectively arranged on two sides of the angular contact ball bearing (5), the locking nuts (4) are fixed on the inner side wall of the motor base (2), the bearing covers (6) are fixedly arranged at one end, facing the bearing base (13), of the motor base (2), and the bearing covers (6) and the locking nuts (4) are sleeved outside the ball screw (3).

4. The high-precision integrated left-right handed linear module according to claim 1, wherein: one side of the bearing seat (13) far away from the angular contact ball bearing (5) is provided with a shaft retainer ring (14), one end of the ball screw (3) far away from the angular contact ball bearing (5) is provided with a clamping groove, the shaft retainer ring (14) is sleeved on the clamping groove of the ball screw (3), and one side wall of the shaft retainer ring is in butt joint with the side face of the deep groove ball bearing (12).

5. The high-precision integrated left-right handed linear module according to claim 1, wherein: the motor cabinet is characterized in that a shield (10) is fixedly arranged at the top end of one side wall opposite to the motor cabinet (2) and the bearing seat (13), the adapter plate (9) is U-shaped in cross section and is in a U-shaped groove shape, the inner walls of the two sides of the adapter plate are attached to the side faces of the shield (10), and the upper ends of the adapter plate (9) extend to the upper portion of the shield (10).