CN218935180U

CN218935180U - Ball screw assembly

Info

Publication number: CN218935180U
Application number: CN202222291994.XU
Authority: CN
Inventors: 王重亮
Original assignee: Shenzhen Yixinsheng Technology Co ltd
Current assignee: Shenzhen Yixinsheng Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-04-28
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a ball screw assembly, which comprises a ball screw assembly, wherein the ball screw assembly comprises a screw and a screw sleeve, both ends of the screw sleeve are provided with packaging assemblies, each packaging assembly comprises a sealing plate and a base, the inner side of the screw sleeve is provided with a rolling assembly, each rolling assembly comprises a spiral groove and a ball, the top of the inner side of the screw sleeve is provided with a lubricating assembly, the lubricating assembly comprises an oil cavity and a guide groove, the inner side of the screw sleeve is provided with a ball guide assembly, the ball guide assembly can lubricate the ball through lubricating oil, collect chips generated by working abrasion, ensure transmission efficiency, improve the service life of equipment, keep the guide plate tightly attached to the inner wall of the spiral groove on the screw by utilizing the tensile force of a spring after the guide plate is worn, ensure that the balls stably move in the spiral groove and the guide groove, ensure the smoothness of the work of the equipment, and the ball guide assembly is suitable for converting the rotation movement of the equipment into linear movement.

Description

Ball screw assembly

Technical Field

The utility model relates to the technical field of ball screw equipment, in particular to a ball screw assembly.

Background

The ball screw is a transmission mechanism commonly used for mechanical equipment, can convert the rotary motion of the equipment into linear motion, the existing ball screw equipment basically has the advantages of firm product quality, high transmission speed, high transmission efficiency, high motion conversion stability, long service life and the like, can meet the use requirement of converting the rotary motion of the case equipment into linear motion, however, for the existing ball screw equipment, on one hand, when the ball rolls in the screw and the wire sleeve, fragments are easily generated due to abrasion between the ball and the screw and the wire sleeve, so that the rolling resistance of the ball is increased, the transmission efficiency is reduced, and on the other hand, when the ball is guided into the wire sleeve from the screw and the wire sleeve, the guide mechanism is easy to generate gaps due to long-time abrasion, so that the movement of the ball is easy to be blocked, the condition that the ball is blocked, and the smoothness of the equipment is reduced.

Therefore, how to design a ball screw assembly is a current problem to be solved.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a ball screw assembly so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ball screw assembly, includes ball screw assembly, ball screw assembly includes lead screw and silk cover, encapsulation subassembly is installed at the both ends of silk cover, encapsulation subassembly includes shrouding and base, rolling element is installed to the inboard of silk cover, rolling element includes helicoidal groove and ball, lubrication assembly is installed at the inboard top of silk cover, lubrication assembly includes oil pocket and guide slot, the bottom of the inboard of silk cover is provided with edulcoration group, the edulcoration subassembly includes deposition chamber and baffle, ball guide assembly is installed to the inboard of silk cover, ball guide assembly includes baffle and spring.

Further, the sealing plate is arranged at one end of the screw sleeve through a bolt, the base is arranged at the other end of the screw sleeve through a bolt, and the screw sleeve, the sealing plate and the base are all sleeved on the outer side of the screw rod.

Further, the screw grooves are respectively formed in the inner wall of the screw sleeve formed in the outer side of the screw rod, the guide grooves are formed in the inner side of the screw sleeve, two ends of each guide groove are communicated with the screw grooves, the balls are clamped on the screw sleeve and the inner side of the screw grooves formed in the screw rod, and the balls are uniformly distributed on the screw grooves and the inner side of the guide grooves.

Further, the oil cavity and the deposition cavity are respectively arranged at the top and the bottom of the inner side of the silk sleeve, screw openings are respectively arranged at the top and the bottom of the silk sleeve, the oil cavity and the deposition cavity are communicated with the outer side of the silk sleeve through the screw openings, and a clamping plug is clamped at the inner side of the screw openings.

Further, two sides of the bottom of the oil cavity are communicated with the inner side of the spiral groove through a through pipe, and two sides of the top of the deposition cavity are communicated with the bottom of the guide groove through connecting pipes.

The baffle is welded on the inner wall of the deposition cavity, the baffle is uniformly distributed on the inner side of the deposition cavity, sealing blocks are adhered to the inner sides of the sealing plates and the base, and the inner sides of the sealing blocks are clamped on the inner sides of the spiral grooves.

Further, a clamping groove is formed in the inner side of the wire sleeve, and one end of the guide plate is installed on the inner side of the clamping groove through the rotating shaft.

Further, the other end of the guide plate is clamped at the outer side of the spiral groove on the screw rod, one side of the guide plate is clamped on the inner wall of the guide groove, and the other side of the guide plate is connected with the inner wall of the clamping groove through a spring.

The beneficial effects are that: 1. this ball screw subassembly owing to be provided with lead screw, silk cover, shrouding, base, helicoidal groove, guide slot, ball, oil pocket, deposit chamber, card stopper, baffle, sealing piece, connecting tube, baffle and siphunculus, can be when the work, effectively utilize the lubricating oil of oil pocket in to the rolling work of ball to lubricate the operation, and then very big reduction ball and lead screw and silk cover's friction to can collect the piece that the work wearing and tearing produced, avoid piece to increase the rolling resistance of ball, ensure transmission efficiency, and improve the life of equipment.

2. The ball screw assembly is provided with the screw rod, the screw sleeve, the sealing plate, the base, the screw groove, the guide groove, the ball, the oil cavity, the deposition cavity, the clamping plug, the baffle, the sealing block, the connecting pipe, the guide plate, the spring and the through pipe, when in operation, the ball is guided into the guide groove from the screw groove through the guide plate, the ball is guided into the screw groove through the guide plate again through the tail end of the guide groove, the rolling friction of the ball between the screw rod and the screw sleeve is utilized to replace the sliding friction between the screw rod and the screw sleeve, after the friction between the guide plate and the screw rod is worn, the inner wall of the screw groove on the guide plate and the guide rod are kept tightly attached by effectively utilizing the tensile force of the spring, the ball is ensured to move stably in the screw groove and the guide groove, and the smoothness of operation of equipment is ensured.

3. The ball screw assembly is reasonable in design, efficient and convenient in use, and suitable for converting rotary movement of equipment into linear movement.

Drawings

FIG. 1 is a schematic view of a ball screw assembly according to the present utility model;

FIG. 2 is a cross-sectional view of a ball screw assembly according to the present utility model;

FIG. 3 is a side cross-sectional view of a ball screw assembly according to the present utility model;

in the figure: 1. a screw rod; 2. a silk sleeve; 3. a sealing plate; 4. a base; 5. a screw groove; 6. a guide groove; 7. a ball; 8. an oil chamber; 9. a deposition chamber; 10. a blocking plug; 11. a baffle; 12. a sealing block; 13. a connecting pipe; 14. a guide plate; 15. a spring; 16. a through pipe.

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.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the ball screw assembly comprises a ball screw assembly, the ball screw assembly comprises a screw 1 and a screw sleeve 2, the two ends of the screw sleeve 2 are provided with packaging assemblies, each packaging assembly comprises a sealing plate 3 and a base 4, the inner side of the screw sleeve 2 is provided with a rolling assembly, each rolling assembly comprises a screw groove 5 and balls 7, the top of the inner side of the screw sleeve 2 is provided with a lubricating assembly, the lubricating assembly comprises an oil cavity 8 and a guide groove 6, the bottom of the inner side of the screw sleeve 2 is provided with a impurity removing group, the impurity removing assembly comprises a deposition cavity 9 and a baffle 11, the inner side of the screw sleeve 2 is provided with a ball guide assembly, each ball guide assembly comprises a guide plate 14 and a spring 15, each sealing plate 3 is arranged at one end of the screw sleeve 2 through a bolt, each base 4 is arranged at the other end of the screw sleeve 2 through a bolt, each screw sleeve 2, each sealing plate 3 and each base 4 are sleeved at the outer side of the screw 1, the screw grooves 5 are respectively arranged on the inner wall of the screw sleeve 2 arranged on the outer side of the screw rod 1, the guide groove 6 is arranged on the inner side of the screw sleeve 2, two ends of the guide groove 6 are communicated with the screw grooves 5, the balls 7 are clamped on the inner sides of the screw sleeve 2 and the screw rod 1, the balls 7 are uniformly distributed on the inner sides of the screw grooves 5 and the guide groove 6, the inner side of the screw sleeve 2 is provided with clamping grooves, one end of the guide plate 14 is arranged on the inner side of the clamping grooves through a rotating shaft, the other end of the guide plate 14 is clamped on the outer side of the screw groove 5 on the screw rod 1, one side of the guide plate 14 is clamped on the inner wall of the guide groove 6, the other side of the guide plate 14 is connected with the inner wall of the clamping grooves through a spring 15, and in operation, the transmission equipment drives the screw rod 1 to rotate so that the balls 7 roll in the screw grooves 5 between the screw rod 1 and the screw sleeve 2, the ball 7 is led into the guide groove 6 from the screw groove 5 through the guide plate 14, the ball 7 is led into the screw groove 5 through the guide plate 14 again at the tail end of the guide groove 6, the rolling friction of the ball 7 between the screw rod 1 and the screw sleeve 2 is used for replacing the sliding friction between the screw rod 1 and the screw sleeve 2, further the friction force is effectively reduced, the transmission efficiency is improved, after the guide plate 14 and the screw rod 1 are worn due to friction, the guide plate 14 and the inner wall of the screw groove 5 on the screw rod 1 can be kept tightly attached by effectively utilizing the tensile force of the spring 15, the ball 7 is ensured to move stably in the screw groove 5 and the guide groove 6, and the smoothness of the work of equipment is ensured.

In the embodiment, the oil cavity 8 and the deposition cavity 9 are respectively arranged at the top and the bottom of the inner side of the screw sleeve 2, screw openings are respectively arranged at the top and the bottom of the screw sleeve 2, the oil cavity 8 and the deposition cavity 9 are communicated with the outer side of the screw sleeve 2 through the screw openings, a clamping plug 10 is clamped at the inner side of the screw openings, two sides of the bottom of the oil cavity 8 are communicated with the inner side of the screw groove 5 through a through pipe 16, two sides of the top of the deposition cavity 9 are communicated with the bottom of the guide groove 6 through a connecting pipe 13, a baffle 11 is welded on the inner wall of the deposition cavity 9, the baffle 11 is uniformly distributed at the inner side of the deposition cavity 9, sealing blocks 12 are adhered to the inner sides of the sealing plate 3 and the base 4, the inner sides of the sealing blocks 12 are clamped at the inner side of the screw groove 5, when the device works, the clamping plug 10 at the top of the screw sleeve 2 is opened, lubricating oil is injected into the oil cavity 8, the lubricating oil flows into the spiral groove 5 through the through pipe 16, the rolling balls 7 are lubricated, abrasion of the rolling balls 7 and the inner walls of the spiral groove 5 in the screw rod 1 and the screw sleeve 2 is greatly reduced, when a small amount of scraps are generated during long-time rolling operation of the rolling balls 7, the rolling balls 7 roll to drive the lubricating oil to flow along with the rolling balls 7, after the lubricating oil is driven into the guide groove 6 by the rolling balls 7, the lubricating oil flows into the deposition cavity 9 through the connecting pipe 13, the scraps are settled at the bottom of the deposition cavity 9 under the blocking of the baffle 11, and the lubricating oil flows back to the inner side of the guide groove 6 through the connecting pipe 13, so that the scraps are prevented from increasing rolling resistance of the rolling balls 7, transmission efficiency is ensured, and the service life of the device is prolonged.

When the ball screw assembly works, the clamping plug 10 at the top of the screw sleeve 2 is opened, lubricating oil is injected into the oil cavity 8, the lubricating oil flows into the spiral groove 5 through the through pipe 16, the ball 7 is lubricated, abrasion of the ball 7 and the inner wall of the spiral groove 5 in the screw 1 and the screw sleeve 2 is greatly reduced, when a small amount of chips are generated in long-time rolling work of the ball 7, the ball 7 rolls to drive the lubricating oil to flow along with the ball 7, after the lubricating oil is driven into the guide groove 6 by the ball 7, the lubricating oil flows into the deposition cavity 9 through the connecting pipe 13, the chips are settled at the bottom of the deposition cavity 9 under the blocking of the baffle 11, the lubricating oil flows back to the inner side of the guide groove 6 through the connecting pipe 13, the rolling resistance of the chips is avoided, the transmission efficiency is ensured, the service life of the transmission equipment is prolonged, the transmission equipment drives the screw 1 to rotate, the ball 7 rolls in the spiral groove 5 between the screw 1 and the screw sleeve 2, the ball 7 is guided into the guide groove 6 through the guide plate 14, the ball 7 is guided into the spiral groove 5 through the guide groove 6 again through the guide plate 14, the tail end of the guide plate 6, the ball 7 is guided into the spiral groove 5 through the guide groove 14, the friction is effectively improved, the friction force between the ball 7 and the spiral groove 1 is effectively kept smooth by the spiral groove 1 and the spiral groove 2, the friction force is effectively reduced, the friction force is effectively improved between the spiral groove 1 and the spiral groove is kept by the spiral groove 1, the friction force is smoothly and the spiral groove 1 is smoothly and the friction between the spiral groove 1 and the spiral groove is well and the spiral groove 1 and the inside the spiral groove 2, and the friction is well and the friction between the friction 1 and the inside is well.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a ball screw assembly, includes ball screw assembly, ball screw assembly includes lead screw (1) and silk cover (2), packaging assembly is installed at the both ends of silk cover (2), packaging assembly includes shrouding (3) and base (4), rolling assembly is installed to the inboard of silk cover (2), rolling assembly includes helicoidal groove (5) and ball (7), its characterized in that: the lubricating assembly is installed at the top of the inboard of silk cover (2), lubricating assembly includes oil pocket (8) and guide slot (6), the bottom of the inboard of silk cover (2) is provided with edulcoration subassembly, the edulcoration subassembly includes deposit chamber (9) and baffle (11), ball direction subassembly is installed to the inboard of silk cover (2), ball direction subassembly includes baffle (14) and spring (15).

2. A ball screw assembly according to claim 1, wherein: the sealing plate (3) is arranged at one end of the screw sleeve (2) through a bolt, the base (4) is arranged at the other end of the screw sleeve (2) through a bolt, and the screw sleeve (2), the sealing plate (3) and the base (4) are all sleeved on the outer side of the screw rod (1).

3. A ball screw assembly according to claim 2, wherein: the screw grooves (5) are respectively formed in the inner wall of the screw sleeve (2) at the outer side of the screw rod (1), the guide grooves (6) are formed in the inner side of the screw sleeve (2), two ends of each guide groove (6) are communicated with the screw grooves (5), the balls (7) are clamped on the screw sleeve (2) and the inner side of the screw grooves (5) on the screw rod (1), and the balls (7) are uniformly distributed on the inner sides of the screw grooves (5) and the guide grooves (6).

4. A ball screw assembly according to claim 3, wherein: the oil cavity (8) and the deposition cavity (9) are respectively arranged at the top and the bottom of the inner side of the silk sleeve (2), screw openings are respectively arranged at the top and the bottom of the silk sleeve (2), the oil cavity (8) and the deposition cavity (9) are communicated with the outer side of the silk sleeve (2) through the screw openings, and a clamping plug (10) is clamped at the inner side of the screw openings.

5. A ball screw assembly according to claim 4, wherein: the two sides of the bottom of the oil cavity (8) are communicated with the inner side of the spiral groove (5) through a through pipe (16), and the two sides of the top of the deposition cavity (9) are communicated with the bottom of the guide groove (6) through a connecting pipe (13).

6. A ball screw assembly according to claim 5, wherein: the baffle (11) is welded on the inner wall of the deposition cavity (9), the baffle (11) is uniformly distributed on the inner side of the deposition cavity (9), sealing blocks (12) are adhered to the inner sides of the sealing plate (3) and the base (4), and the inner sides of the sealing blocks (12) are clamped on the inner sides of the spiral grooves (5).

7. A ball screw assembly according to claim 6, wherein: the inner side of the wire sleeve (2) is provided with a clamping groove, and one end of the guide plate (14) is arranged at the inner side of the clamping groove through a rotating shaft.

8. A ball screw assembly according to claim 7, wherein: the other end of the guide plate (14) is clamped at the outer side of the spiral groove (5) on the screw rod (1), one side of the guide plate (14) is clamped on the inner wall of the guide groove (6), and the other side of the guide plate (14) is connected with the inner wall of the clamping groove through a spring (15).