CN218267073U

CN218267073U - Planet roller screw rod structure with felt seal

Info

Publication number: CN218267073U
Application number: CN202222167408.0U
Authority: CN
Inventors: 张玉辉; 高向荣; 房妤
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-01-10
Anticipated expiration: 2032-08-17

Abstract

The utility model relates to a planet roller lead screw technical field just discloses a planet roller lead screw structure with felt is sealed, including the shell, the inside activity of shell is provided with the silk body of rod, the right-hand member of shell and the surface cover that is located the silk body of rod are equipped with the apron, the standing groove has been seted up to the internal surface of apron, the inside of standing groove and the surface cover that is located the silk body of rod are equipped with the felt, first draw-in groove has been seted up to the inner wall of standing groove, the inside of first draw-in groove and the one side that is located the felt are provided with the rand, the left end rotation of the silk body of rod is provided with four pivots. The utility model discloses a set up the cooperation of felt, rand and apron isotructure to the internal diameter of felt slightly is less than the internal diameter of apron, just can sweep lead screw somatic part in driven in-process felt like this, thereby can prevent outside dust, tiny clastic entering, and inside lubricating oil can not outwards ooze yet in its sealed transmission, thereby reaches better transmission precision and clean lubrication degree.

Description

Planet roller screw rod structure with felt seal

Technical Field

The utility model relates to a planet roller lead screw technical field specifically is a planet roller lead screw structure with felt is sealed.

Background

A planetary roller screw is a mechanical device that converts rotational motion into linear motion, the way of the transmission force of the planetary roller screw is unusual, around the main threaded screw, a plurality of threaded roller screws are arranged and mounted in a planetary arrangement, thus converting the rotational motion of a motor into linear motion of a screw or nut. The transmission mode of the ball screw is similar to that of a trapezoidal screw and a ball screw, but the difference is that: the planetary screw can bear heavy load for thousands of hours under extremely hard working environment, so that the roller screw becomes an ideal choice for application occasions requiring continuous working.

Felts of the existing planet roller screw on the market are generally fixed by front and rear retainers, and in the transmission process, because other external impurities such as environmental dust, machining chips and the like can be brought into the transmission part along with the rotation of the screw, the thread transmission can be influenced, the transmission precision can be influenced, and even more, the screw is usually blocked, so that the transmission cannot be realized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a planetary roller lead screw structure with felt is sealed has solved the problem that exists among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a planet roller lead screw structure with felt is sealed, includes the shell, the inside activity of shell is provided with the body of silk, the right-hand member of shell and the surface cover that is located the body of silk are equipped with the apron, the standing groove has been seted up to the internal surface of apron, the inside of standing groove and the surface cover that is located the body of silk are equipped with the felt, first draw-in groove has been seted up to the inner wall of standing groove, the inside of first draw-in groove and the one side that is located the felt are provided with the rand, the left end rotation of the body of silk is provided with four pivots, four the left end of pivot all is provided with spacing post, four the surface of pivot is all overlapped and is equipped with the screw thread post.

Preferably, a second clamping groove is formed in the left side of the surface of the screw rod body, and a clamping ring is arranged inside the second clamping groove.

Preferably, the right end of the rotating shaft penetrates through the inside of the second clamping groove and is provided with a ring groove, and the clamping ring is connected with the inner wall of the ring groove in a matched mode.

Preferably, the felt is fixedly mounted inside the cover plate through a collar.

Preferably, the left end of shell is provided with the installation lid, the surface of installation lid is run through and is provided with four second gim peg, and installation lid and shell pass through second gim peg fixed connection.

Preferably, the surface of the cover plate is provided with four first fixing bolts in a penetrating manner, and the cover plate is fixedly connected with the shell through the first fixing bolts.

(III) advantageous effects

The utility model provides a planet roller lead screw structure with felt is sealed possesses following beneficial effect:

(1) The utility model discloses a set up the cooperation of felt, rand and apron isotructure to the internal diameter of felt slightly is less than the internal diameter of apron, just can sweep lead screw somatic part in driven in-process felt like this, thereby can prevent outside dust, tiny clastic entering, and inside lubricating oil can not outwards ooze yet in its sealed transmission, thereby reaches better transmission precision and clean lubrication degree.

(2) The utility model discloses a set up the cooperation of rand, snap ring isotructure to realize that the device only needs to use jump ring pincers just can be with firm allotment such as felt and screw thread post inside the shell when needs are transferred, can improve the efficiency of the device assembly like this greatly, and also be simpler and easier when needs are maintained and are changed spare part.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an assembly view of the collar and felt of the present invention;

fig. 3 is an enlarged view of the area a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a collar; 3. a cover plate; 4. a screw rod body; 5. felt; 6. a threaded post; 7. a rotating shaft; 8. installing a cover; 9. a snap ring; 10. a ring groove; 11. a first securing latch; 12. a second securing latch; 13. a limiting column; 14. a placement groove; 15. a first card slot; 16. and a second card slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a planet roller lead screw structure with felt is sealed, which comprises a housing 1, the inside activity of shell 1 is provided with the lead screw body 4, the right-hand member of shell 1 and the surface cover that is located the lead screw body 4 are equipped with apron 3, standing groove 14 has been seted up to the internal surface of apron 3, standing groove 14's inside and the surface cover that is located the lead screw body 4 are equipped with felt 5, first draw-in groove 15 has been seted up to the inner wall of standing groove 14, the inside of first draw-in groove 15 and the one side that is located felt 5 are provided with rand 2, the left end of lead screw body 4 rotates and is provided with four pivot 7, the left end of four pivot 7 all is provided with spacing post 13, the surface of four pivot 7 all is equipped with threaded post 6, the internal diameter of felt 5 will be less than the internal diameter of apron 3 slightly, just can sweep lead screw body 4 parts at driven in-process like this, in order to prevent outside dust, tiny clastic entering, ensure that lubricating oil can not outwards ooze, reach better transmission precision and clean degree of lubrickly with this.

Further, a second clamping groove 16 is formed in the left side of the surface of the screw rod body 4, and a clamping ring 9 is arranged inside the second clamping groove 16.

Furthermore, the right ends of the four rotating shafts 7 penetrate through the inside of the second clamping groove 16 and are provided with annular grooves 10, and the clamping rings 9 are connected with the inner walls of the annular grooves 10 in a matched mode.

Further, felt 5 is fixedly mounted inside the cover plate 3 by means of a collar 2.

Furthermore, a mounting cover 8 is arranged at the left end of the housing 1, four second fixing bolts 12 penetrate through the surface of the mounting cover 8, and the mounting cover 8 is fixedly connected with the housing 1 through the second fixing bolts 12.

Furthermore, four first fixing bolts 11 penetrate through the surface of the cover plate 3, and the cover plate 3 is fixedly connected with the housing 1 through the first fixing bolts 11.

To sum up, the utility model discloses a work flow: after four rotating shafts 7, threaded columns 6, clamping rings 9 and the like are assembled on the lead screw body 4, the lead screw body 4 is screwed into the shell 1, one felt 5 needs to be placed in the right side cover plate 3, the clamping ring 2 is placed into the first clamping groove 15 by using clamping spring pliers to clamp the felt 5, and when the lead screw body 4 rotates in the shell 1, the lead screw body 4 can be matched with threads on the surfaces of the threaded columns 6 through threads on the inner wall of the shell 1, so that the lead screw body 4 can move in a telescopic manner in the shell 1; because the inner diameter of the felt 5 in the structure is slightly smaller than that of the cover plate 3, the felt can sweep the screw rod body 4 part in the transmission process, thereby preventing external dust and fine debris from entering, and simultaneously sealing the engine oil in the transmission shell 1 from leaking and seeping.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A planetary roller screw structure with felt seal, comprising a housing (1), characterized in that: the utility model discloses a spinning machine, including shell (1), the inside activity of shell (1) is provided with the body of silk rod (4), the right-hand member of shell (1) and the surface cover that is located the body of silk rod (4) are equipped with apron (3), standing groove (14) have been seted up to the internal surface of apron (3), the inside of standing groove (14) and the surface cover that is located the body of silk rod (4) are equipped with felt (5), first draw-in groove (15) have been seted up to the inner wall of standing groove (14), the inside of first draw-in groove (15) and the one side that is located felt (5) are provided with rand (2), the left end rotation of the body of silk rod (4) is provided with four pivot (7), four the left end of pivot (7) all is provided with spacing post (13), four the surface of pivot (7) all is equipped with screw thread post (6).

2. A planetary roller screw structure with felt seal as in claim 1, wherein: a second clamping groove (16) is formed in the left side of the surface of the screw rod body (4), and a clamping ring (9) is arranged inside the second clamping groove (16).

3. A planetary roller screw structure with felt seal according to claim 2, wherein: four the right-hand member of pivot (7) all runs through to the inside of second draw-in groove (16) and seted up annular (10), and snap ring (9) are connected with the inner wall cooperation of annular (10).

4. A planetary roller screw structure with felt seal as in claim 1, wherein: the felt (5) is fixedly arranged inside the cover plate (3) through a clamping ring (2).

5. A planetary roller screw structure with felt seal as in claim 1, wherein: the left end of shell (1) is provided with installation lid (8), the surface of installation lid (8) is run through and is provided with four second gim peg (12), and installation lid (8) and shell (1) are through second gim peg (12) fixed connection.

6. A planetary roller screw structure with felt seal as in claim 1, wherein: the surface of the cover plate (3) is provided with four first fixing bolts (11) in a penetrating mode, and the cover plate (3) is fixedly connected with the shell (1) through the first fixing bolts (11).