CN219336965U

CN219336965U - Novel ball reverser

Info

Publication number: CN219336965U
Application number: CN202320926213.1U
Authority: CN
Inventors: 何欢
Original assignee: Changzhou Xinxing Precision Rolling Element Co ltd
Current assignee: Changzhou Xinxing Precision Rolling Element Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-07-14
Anticipated expiration: 2033-04-23

Abstract

The utility model provides a novel ball screw reverser. The novel ball screw reverser comprises: a screw rod; the nut is internally connected with the outside of the screw rod in a threaded manner, a groove is formed in the top of the nut, a reverser is formed in the top of the nut, a plurality of balls are arranged in the reverser, two springs are fixedly connected to two sides of the nut, two dampers are fixedly connected to two sides of the nut, and one side of each damper is fixedly connected with a shell; lubricating oil is absorbed by cleaning cotton through an oil hole, screw rod movement is started, screw rod threads are connected with a nut, the nut moves horizontally, the nut moves to drive two side shells to move through a damper, the cleaning cotton in a hollow circle is driven to move left and right, the screw rod is cleaned, threads of the screw rod are cleaned, and the problem that dust is easy to produce at the thread of the screw rod to damage balls in a reverser when the nut moves is solved.

Description

Novel ball reverser

Technical Field

The utility model relates to the field of reversers, in particular to a novel ball screw reverser.

Background

Ball screw is widely used in machine tools, and the ball circulation modes include circulation guide pipes, circulators and end covers. The pre-pressing mode includes positioning pre-pressing (double nut mode and position pre-pressing mode) and constant pressure pre-pressing. The reverser in the ball screw is used for connecting two ends of the ball circulation in the ball screw pair nut, so that each circulation loop is closed circulation, and the reverser does infinite circulation movement between the ball screw pair nut and the screw.

Through retrieving, national patent publication number CN216430424U discloses a novel ball screw reverser, including the lead screw, the lead screw outside is provided with the sleeve, the nut has been cup jointed to the sleeve outside, still includes: the reverser is of a hollow structure, a plurality of balls are rotatably connected in the reverser, and the reverser is arranged on the sleeve; the fixed block is positioned in the sleeve and used for fixing the reverser; the buffer piece, the gomphosis has a plurality of buffer piece with the reverser butt in the fixed block, has produced spring and butt piece in the buffer piece for offset the impact between reverser and the fixed block, thereby can not produce the advantage of noise.

The following disadvantages exist in the above scheme: according to the scheme, in the actual use process, dust is generated at the thread of the screw rod when the device is used for a long time, the dust is not erased, and the dust can damage balls in the reverser when the nut moves, so that the damage to the device caused by the service life of the balls is reduced.

Accordingly, there is a need for a novel ball screw inverter that solves the above-described problems.

Disclosure of Invention

The utility model provides a novel ball screw reverser, which solves the problem that dust is easy to generate at the thread of a screw to damage balls in the reverser when a nut moves.

In order to solve the above technical problems, the present utility model provides a novel ball screw inverter, comprising: a screw rod;

the nut, the inside threaded connection of nut is in the outside of lead screw, the recess has been seted up at the top of nut, the reverser has been seted up at the top of nut, the inside of reverser is provided with a plurality of ball, two fixedly connected with springs in both sides of nut, two dampers of both sides fixedly connected with of nut, one side fixedly connected with shell of attenuator, the inside of shell is provided with washs cotton, the oilhole has been seted up at the top of shell, the top threaded connection of oilhole has the second bolt.

Preferably, two threaded holes are formed in the top of the groove, and a fixing block is arranged at the top of the groove.

Preferably, the top of the fixed block is provided with a through hole, and the back of the fixed block is provided with a clamping groove.

Preferably, two first bolts are arranged at the top of the fixed block, and sliding grooves are fixedly connected to two sides of the fixed block.

Preferably, the two sides of the groove are fixedly connected with positioning blocks, and noise reduction cotton is arranged on one side of the two adjacent shells.

Preferably, both sides of the two shells are provided with hollow circles, and the diameter of each hollow circle is larger than that of the screw rod.

Preferably, the shell is made of rubber.

Compared with the related art, the novel ball screw reverser provided by the utility model has the following beneficial effects:

the utility model provides a novel ball screw reverser, which is characterized in that an oil hole is opened by upwards unscrewing a second bolt at the top of a shell, lubricating oil is poured into the oil hole and absorbed by cleaning cotton through the oil hole, a screw rod is started to move, and the screw rod is in threaded connection with a nut, so that the nut moves in a left-right translation mode, the nut moves to drive the shells at two sides to move through a damper, and the cleaning cotton in a hollow circle is driven to move left and right so as to wipe the screw rod left and right, the thread of the screw rod is cleaned, and the problem that dust is easy to generate at the thread of the screw rod to damage balls in the reverser when the nut moves is solved.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of a novel ball screw inverter according to the present utility model;

FIG. 2 is a schematic front view of the nut of FIG. 1;

FIG. 3 is a right side schematic view of the housing shown in FIG. 1;

FIG. 4 is a schematic elevational view of the steering gear of FIG. 1;

FIG. 5 is a schematic front view of the fixing block shown in FIG. 1;

fig. 6 is an enlarged schematic view of the portion a shown in fig. 1.

Reference numerals in the drawings: 1. the device comprises a screw rod, 2, a nut, 3, a reverser, 4, a ball, 5, a spring, 6, a damper, 7, a shell, 8, cleaning cotton, 9, an oil hole, 10, a second bolt, 11, a groove, 12, a threaded hole, 13, a fixed block, 14, a through hole, 15, a clamping groove, 16, a first bolt, 17, a chute, 18, a positioning block, 19, noise reduction cotton, 20 and a hollow circle.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a novel ball screw inverter according to the present utility model; FIG. 2 is a schematic front view of the nut of FIG. 1; FIG. 3 is a right side schematic view of the housing shown in FIG. 1; FIG. 4 is a schematic elevational view of the steering gear of FIG. 1; FIG. 5 is a schematic front view of the fixing block shown in FIG. 1; fig. 6 is an enlarged schematic view of the portion a shown in fig. 1. The novel ball screw reverser comprises: a screw 1;

the nut 2, the inside threaded connection of nut 2 is in the outside of lead screw 1, recess 11 has been seted up at the top of nut 2, reverser 3's inside is provided with a plurality of ball 4, two springs 5 of both sides fixedly connected with of nut 2, two dampers 6 of both sides fixedly connected with of nut 2, one side fixedly connected with shell 7 of damper 6, the inside of shell 7 is provided with washs cotton 8, oilhole 9 has been seted up at the top of shell 7, the top threaded connection of oilhole 9 has second bolt 10.

The nut 2 is mutually matched with the screw 1, the balls 4 in the reverser 3 are mutually adjacent, the spring 5 and the damper 6 are arranged so as to prevent two sides from directly colliding with planes of some devices when the adjusting nut 2 is arranged, the spring 5 is sleeved outside the damper 6, threads on the outer side of the screw 1 are cleaned by arranging cleaning cotton 8, oil holes 9 are arranged so as to supplement lubricating oil in the oil holes 9, the supplemented lubricating oil is absorbed by the cleaning cotton 8, the threads of the screw 1 can be lubricated, the second bolt 10 is mutually matched with the oil holes 9, the second bolt 10 is arranged so as to block the oil holes 9, lubrication is prevented from being thrown out, and the cleaning cotton 8 is positioned on one side of the hollow circle 20.

Two threaded holes 12 are formed in the top of the groove 11, and a fixing block 13 is arranged on the top of the groove 11.

The reverser 3 is stabilized by providing a fixed block 13.

The top of the fixed block 13 is provided with a through hole 14, and the back of the fixed block 13 is provided with a clamping groove 15.

The fixed block clamping groove 15 is matched with the outer side of the reverser 3.

Two first bolts 16 are arranged at the top of the fixed block 13, and sliding grooves 17 are fixedly connected to two sides of the fixed block 13.

The first bolt 16 is matched with the threaded hole 12, and the first bolt 16 is connected in the threaded hole 12 through the through hole 14 in a threaded manner so as to fix the fixed block 13

The two sides of the groove 11 are fixedly connected with positioning blocks 18, and noise reduction cotton 19 is arranged on one side of the two adjacent shells 7.

The locating block 18 is matched with the chute 17, the locating block 18 is inserted into the fixing block 13 through the chute 17, the fixing block 13 is convenient to fix, and noise generated when one side of the shell 7 impacts a plane when the nut 2 slides left and right is reduced through the arrangement of the noise reduction cotton 19.

Both sides of the two shells 7 are provided with hollow circles 20, and the diameter of each hollow circle 20 is larger than that of a screw rod.

The shell 7 is made of rubber.

The working principle of the novel ball screw reverser provided by the utility model is as follows:

when the screw 1 is cleaned, the oil hole 9 is opened by screwing the second bolt 10 at the top of the shell 7 upwards, lubricating oil is poured into the oil hole 9 and absorbed by the cleaning cotton 8 through the oil hole 9, the screw 1 is started to move, the screw 1 is in threaded connection with the nut 2, the nut 2 moves horizontally, the nut 2 moves to drive the shells 7 at two sides to move through the damper 6, and the cleaning cotton 8 in the hollow circle 20 is driven to move horizontally to wipe the screw 1 left and right, so that threads of the screw 1 are cleaned.

the second bolt 10 at the top of the shell 7 is unscrewed upwards to open the oil hole 9, lubricating oil is poured into the oil hole 9 and absorbed by the cleaning cotton 8 through the oil hole 9, the screw rod 1 is started to move, the screw rod 1 is in threaded connection with the nut 2, the nut 2 is horizontally moved left and right, the nut 2 moves to drive the shells 7 at two sides to move through the damper 6, the cleaning cotton 8 in the hollow circle 20 is driven to move left and right so as to wipe the screw rod 1 left and right, the thread of the screw rod 1 is cleaned, and the problem that dust is damaged to the ball 4 in the reverser 3 when dust is easily generated at the thread of the screw rod 1 to cause the movement of the nut 2 is solved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A novel ball screw reverser, comprising: a screw rod;

2. The novel ball screw reverser according to claim 1, wherein two threaded holes are formed in the top of the groove, and a fixing block is arranged on the top of the groove.

3. The novel ball screw reverser according to claim 2, wherein the top of the fixed block is provided with a through hole, and the back of the fixed block is provided with a clamping groove.

4. The novel ball screw reverser according to claim 2, wherein two first bolts are arranged at the top of the fixed block, and sliding grooves are fixedly connected to two sides of the fixed block.

5. The novel ball screw reverser according to claim 1, wherein positioning blocks are fixedly connected to two sides of the groove, and noise reduction cotton is arranged on one side of the two shells adjacent to each other.

6. The novel ball screw reverser according to claim 1, wherein both sides of both the housings are provided with hollow circles, and the diameter of the hollow circles is larger than that of the screw.

7. The novel ball screw inverter of claim 1, wherein the housing is made of rubber.