CN217440725U

CN217440725U - Trapezoidal lead screw with grease lubrication

Info

Publication number: CN217440725U
Application number: CN202221695114.9U
Authority: CN
Inventors: 韩侯; 孙松心; 祁椿
Original assignee: A & T Precision Machinery Co ltd
Current assignee: Aiante (Changzhou) Precision Machinery Co.,Ltd.
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-16
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a trapezoid lead screw with grease lubrication, relating to the technical field of lead screws; the utility model comprises the following steps; including the lead screw, the lead screw outside is provided with the nut, and the nut both ends are provided with clearance mechanism, clearance mechanism is including cleaning the unit, the guide unit, the screens unit, spacing unit, spring and pressing unit, and the nut both ends set up and clean the unit, the one end of cleaning the unit and keeping away from the lead screw sets up the guide unit, and the one end of cleaning the unit and being close to the lead screw sets up the screens unit, screens unit both sides set up spacing unit, and the one end that the screens unit was kept away from to spacing unit slides in the nut, one side that the guide unit was kept away from to the screens unit links firmly the spring, and the one end that the screens unit was kept away from to the spring links firmly on the nut, one side middle-end that the springs was kept away from to the screens unit sets up pressing unit, through setting up clearance mechanism, when making the lead screw need clear up, can clear up the clearance between the screw thread on the lead screw fast, the clearance efficiency is promoted, clean time is reduced.

Description

Trapezoidal lead screw with grease lubrication

Technical Field

The utility model relates to a lead screw technical field specifically is a trapezoidal lead screw with fat is lubricated.

Background

The screw rod is a device combined by the screw rod and the nut, and can change the rotary motion into the linear motion.

During the use process of the screw rod, the nut is screwed on the outer side of the screw rod and is connected with the screw rod in a threaded engagement mode through the nut, when the screw rod rotates, the nut moves linearly through the threaded engagement, grease lubrication is usually used as a lubricating agent during the use process of the screw rod, the grease lubricating agent is smeared on the screw rod, then the nut is screwed on the outer side of the screw rod, the screw rod is rotated, and after the nut moves on the screw rod, the lubricating agent is evenly smeared on the screw rod and the nut.

When the lead screw does not operate, particles such as dust in the air easily drop in a thread gap of the lead screw at the moment, if the particles such as dust are not cleaned, the lead screw is directly started, when the nut and the lead screw move, the blockage or the increased abrasion are easily caused by the particles such as dust, the traditional cleaning mode is usually manually cleaned by workers, and through a handheld cleaning cloth and other modes, the cleaning efficiency is slow, the omission cleaning is easily caused, so that the subsequent operation of the lead screw is damaged.

SUMMERY OF THE UTILITY MODEL

The problem that a screw rod in a screw rod is inconvenient to clean quickly is solved; an object of the utility model is to provide a trapezoidal lead screw with fat is lubricated.

In order to solve the technical problem, the utility model adopts the following technical scheme: including the lead screw, the lead screw outside is provided with the nut, and the nut both ends are provided with clearance mechanism, clearance mechanism is including cleaning the unit, the guide unit, the screens unit, spacing unit, spring and pressing unit, and the nut both ends set up and clean the unit, the one end of cleaning the unit and keeping away from the lead screw sets up the guide unit, and the one end of cleaning the unit and being close to the lead screw sets up the screens unit, screens unit both sides set up spacing unit, and the one end that the screens unit was kept away from to spacing unit slides in the nut, one side that the guide unit was kept away from to the screens unit links firmly the spring, and the one end that the screens unit was kept away from to the spring links firmly on the nut, one side middle-end that the spring was kept away from to the screens unit sets up and presses the unit.

Preferably, the two groups of cleaning units are symmetrically arranged at two ends of the nut, and one end of each cleaning unit inserted into the nut is provided with a 45-degree chamfer.

Preferably, the cleaning unit comprises a fixed plate and a hairbrush, the fixed plate is inserted into the two ends of the nut, the hairbrush is fixedly connected to one side of the fixed plate close to the lead screw, one end of the hairbrush far away from the fixed plate is attached to the lead screw, the guiding unit comprises a roller and a limiting rod, the roller is inserted into one end of the fixed plate inserted into the nut, the limiting rod is inserted into the roller, two sides of the limiting rod are fixedly connected to the fixed plate, the clamping unit comprises a clamping block and a push plate, the clamping block is inserted into one end of the fixed plate close to the lead screw, one side of the clamping block far away from the fixed plate is fixedly connected to the push plate, the middle end of one side of the push plate close to the lead screw is fixedly connected to a spring, the limiting unit comprises a limiting block and a ball, two sides of the clamping unit are fixedly connected to the limiting block, one end of the limiting block far away from the clamping unit is slid into the nut, the ball is inserted into the limiting block, one side of the ball far away from the limiting block is attached to the nut, and the pressing unit comprises a push rod and a rubber button, and one side of the push plate, which is far away from the spring, is fixedly connected with the push rod, one end of the push rod, which is far away from the push plate, is fixedly connected in the rubber button, and one side of the rubber button, which is close to the nut, is fixedly connected on the nut.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. through setting up clearance mechanism, when making the lead screw need clear up, earlier clean the unit and insert under the assistance of guide unit and establish in the nut, clean the unit and insert extrusion screens unit when establishing, the screens unit moves compression spring under spacing unit's assistance, after cleaning the unit installation, the spring promotes the screens unit and pops out to insert and establishes in cleaning the unit, it is spacing to cleaning the unit, make the lead screw rotate afterwards, the nut drives through the meshing with the lead screw and cleans the unit and remove this moment, clean the in-process that the unit removed and clear up the lead screw outside, when making the lead screw need clear up, can clear up the space between the screw thread on the lead screw fast, the cleaning efficiency is promoted, clean up time is shortened.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the front view cross-sectional structure of the nut of the present invention.

Fig. 3 is a schematic structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: 1. a screw rod; 2. a nut; 3. a fixing plate; 4. a brush; 5. a roller; 6. a limiting rod; 7. a clamping block; 8. pushing the plate; 9. a limiting block; 10. a ball bearing; 11. a spring; 12. a push rod; 13. a rubber button.

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.

The first embodiment is as follows: as shown in fig. 1-3, the utility model provides a trapezoidal lead screw with grease lubrication, including

lead screw

1, 1 outside of lead screw is provided with

nut

2, and 2 both ends of nut are provided with clearance mechanism, clearance mechanism is including cleaning the unit, the guide unit, the screens unit, spacing unit, spring 11 and pressing unit, and 2 both ends of nut set up and clean the unit, the one end that the lead screw 1 was kept away from to the unit that cleans sets up the guide unit, and clean the one end that the unit is close to lead screw 1 and set up the screens unit, screens unit both sides set up spacing unit, and the one end that the screens unit was kept away from to spacing unit slides in nut 2, one side that the guide unit was kept away from to the screens unit links firmly spring 11, and the one end that the screens unit was kept away from to spring 11 links firmly on nut 2, one side middle-end that springs 11 was kept away from to the screens unit sets up pressing unit.

When in work; make lead screw 1 when needing to clear up, insert earlier and establish in nut 2 in the guide unit's is supplementary to clean the unit, clean the unit and insert and extrude the screens unit when establishing, the screens unit removes compression spring 11 under spacing unit's assistance, after cleaning the unit installation, spring 11 promotes the screens unit and pops out to insert and establishes in cleaning the unit, it is spacing to cleaning the unit, make lead screw 1 rotate afterwards, nut 2 drives through the meshing with lead screw 1 this moment and cleans the unit and remove, clean the in-process that the unit removed and clear up the lead screw 1 outside, through setting up clearance mechanism, when making lead screw 1 need clear up, can clear up the space between the screw thread on the lead screw 1 fast, the clearance efficiency is promoted, reduce clean time.

Through adopting above-mentioned technical scheme, two sets of units of cleaning symmetry set up at nut 2 both ends, and clean the unit and insert the one end of establishing in nut 2 and offer 45 chamfers.

When in work; the cleaning units are inserted into the nuts 2 under the assistance of the guide units, the two groups of cleaning units are arranged, the outer sides of the screw rods 1 are convenient to clean, one ends of the cleaning units inserted into the nuts 2 are provided with 45-degree chamfers, and the cleaning units are convenient to insert into the nuts 2.

Through adopting above-mentioned technical scheme, clean the unit and include fixed plate 3 and

brush

4, and 2 inside inserting in both ends of nut establish fixed plate 3, and fixed plate 3 links firmly brush 4 near one side of lead screw 1, and brush 4 keeps away from the one end laminating lead screw 1 of fixed plate 3.

When in work; inside 3 drive the brush 4 with the fixed plate and insert and establish 2 nuts, through setting up fixed plate 3 and brush 4, be convenient for clean the 1 outside of lead screw.

Through adopting above-mentioned technical scheme, the guide unit includes gyro wheel 5 and gag lever post 6, and fixed plate 3 inserts and establish gyro wheel 5 inside inserting of one end in

nut

2, and 5 inside inserting of gyro wheel establish

gag lever post

6, and 6 both sides of gag lever post link firmly on fixed plate 3.

When in work; when the fixing plate 3 is inserted into the nut 2, the roller 5 and the limiting rod 6 are driven to be synchronously inserted, the roller 5 is attached to the nut 2 to roll under the limiting action of the limiting rod 6, and the roller 5 and the limiting rod 6 are arranged, so that the fixing plate 3 is assisted to be inserted.

Through adopting above-mentioned technical scheme, the screens unit includes fixture block 7 and push pedal 8, and fixed plate 3 is close to the inside one end of lead screw 1 and inserts and establish fixture block 7, and one side that fixed plate 3 was kept away from to fixture block 7 links firmly push pedal 8, and push pedal 8 links firmly spring 11 near one side middle-end of lead screw 1.

When in work; when the fixing plate 3 is inserted, the clamping block 7 is extruded, the clamping block 7 drives the push plate 8 to move the compression spring 11, and the fixing plate 3 is conveniently clamped and fixed by arranging the clamping block 7 and the push plate 8.

Through adopting above-mentioned technical scheme, the spacing unit includes stopper 9 and ball 10, and screens unit both sides link firmly stopper 9, and the one end that the screens unit was kept away from to stopper 9 slides in nut 2, and stopper 9 is inside inserts and establishes ball 10, and ball 10 keeps away from one side laminating nut 2 of stopper 9.

When in work; the fixture block 7 and the push plate 8 are driven to synchronously move when moving, the ball 10 is attached to the nut 2 to roll under the limiting of the limiting block 9, and the fixture block 7 and the push plate 8 are convenient to move in an auxiliary mode by arranging the limiting block 9 and the ball 10.

Through adopting above-mentioned technical scheme, press the unit and include push rod 12 and rubber button 13, and push pedal 8 keeps away from one side of spring 11 and links firmly push rod 12, and push rod 12 keeps away from the one end of push pedal 8 and links firmly in rubber button 13, and one side that rubber button 13 is close to nut 2 links firmly on nut 2.

When in work; pressing rubber button 13 makes rubber button 13 promote push rod 12 extrusion push pedal 8, through setting up push rod 12 and rubber button 13, is convenient for promote push pedal 8, makes push pedal 8 pull fixture block 7 out of fixed plate 3.

The working principle is as follows: when the outer side of the screw rod 1 needs to be cleaned, the fixing plate 3 is inserted into the nut 2 under the guidance of the roller 5 and the limiting rod 6, the fixing plate 3 extrudes the fixture block 7 when inserted, the fixture block 7 moves to compress the spring 11 under the limiting of the limiting block 9 and the ball 10, then the fixing plate 3 is continuously pushed, after the insertion of the fixing plate 3 is finished, the spring 11 reversely pushes the fixture block 7 and the push plate 8, the fixture block 7 is movably inserted into the fixing plate 3, the fixing plate 3 is limited, then the screw rod 1 rotates, the nut 2 moves by being engaged with the screw thread of the screw rod 1, the fixing plate 3 and the hairbrush 4 are synchronously driven to move when the nut 2 moves, the hairbrush 4 cleans the thread clearance of the screw rod 1 in the moving process, after the cleaning is finished, the rubber buttons 13 on the two sides are pressed, the rubber buttons 13 push the push rod 12 pushes the push plate 8, the push plate 8 drives the fixture block 7 to compress the spring 11 after being pushed, at this time, the fixture block 7 is pulled out of the fixing plate 3 by the push plate 8, and then the fixing plate 3 is pulled to pull the fixing plate 3 out of the nut 2.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A trapezoidal lead screw with grease lubrication comprises a lead screw (1) and is characterized in that: the utility model discloses a lead screw, including lead screw (1), screw rod (1), nut (2), cleaning mechanism, cleaning unit, guide unit, screens unit, spacing unit, spring (11), and nut (2) both ends are provided with cleaning mechanism, cleaning mechanism is including cleaning unit, guide unit, screens unit, spacing unit, spring (11) and pressing the unit, and nut (2) both ends set up cleaning the unit, the one end of cleaning the unit and keeping away from lead screw (1) sets up guide unit, and the one end that the unit is close to lead screw (1) that cleans sets up screens unit, screens unit both sides set up spacing unit, and the one end that spacing unit kept away from the screens unit slides in nut (2), one side that guide unit was kept away from to the screens unit links firmly spring (11), and spring (11) one end of keeping away from the screens unit links firmly on nut (2), one side middle-end setting that spring (11) were kept away from to the screens unit presses the unit.

2. The trapezoidal screw with grease lubrication according to claim 1, wherein two groups of cleaning units are symmetrically arranged at two ends of the nut (2), and one end of the cleaning unit inserted in the nut (2) is provided with a 45-degree chamfer.

3. The trapezoidal lead screw with grease lubrication according to claim 1, wherein the cleaning unit comprises a fixing plate (3) and a brush (4), the fixing plate (3) is inserted into two ends of the nut (2), the brush (4) is fixedly connected to one side of the fixing plate (3) close to the lead screw (1), and one end of the brush (4) far away from the fixing plate (3) is attached to the lead screw (1).

4. The trapezoidal lead screw with grease lubrication according to claim 1, wherein the guiding unit comprises a roller (5) and a limiting rod (6), the roller (5) is inserted into one end of the fixing plate (3) inserted into the nut (2), the limiting rod (6) is inserted into the roller (5), and two sides of the limiting rod (6) are fixedly connected to the fixing plate (3).

5. The trapezoidal lead screw with grease lubrication according to claim 1, wherein the clamping unit comprises a clamping block (7) and a push plate (8), the clamping block (7) is inserted inside one end of the fixing plate (3) close to the lead screw (1), one side of the clamping block (7) far away from the fixing plate (3) is fixedly connected with the push plate (8), and one side middle end of the push plate (8) close to the lead screw (1) is fixedly connected with the spring (11).

6. The trapezoidal screw with grease lubrication according to claim 1, wherein the limiting unit comprises a limiting block (9) and balls (10), the limiting block (9) is fixedly connected to two sides of the clamping unit, one end of the limiting block (9) far away from the clamping unit slides in the nut (2), the balls (10) are inserted into the limiting block (9), and one side of the balls (10) far away from the limiting block (9) is attached to the nut (2).

7. The trapezoidal lead screw with grease lubrication according to claim 1, wherein the pressing unit comprises a push rod (12) and a rubber button (13), and one side of the push plate (8) far away from the spring (11) is fixedly connected with the push rod (12), one end of the push rod (12) far away from the push plate (8) is fixedly connected in the rubber button (13), and one side of the rubber button (13) close to the nut (2) is fixedly connected on the nut (2).