CN220396392U

CN220396392U - Low-abrasion ball screw travel limiter

Info

Publication number: CN220396392U
Application number: CN202321662496.XU
Authority: CN
Inventors: 花世勇; 谢素华; 朱从建
Original assignee: Jiangsu Sutong Automation Co ltd
Current assignee: Jiangsu Sutong Automation Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2024-01-26
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses a low-abrasion ball screw stroke limiter, which relates to the technical field of limiters and comprises a supporting frame, an underframe, a screw, a limiting block and a screw nut, wherein one end of the screw is connected with a motor, the screw nut is arranged on the screw, the underframe is arranged below the screw, a chute is arranged at the top of the underframe, oil tanks are arranged at the two ends of the chute, an oil filling hole is arranged at the top of the oil tank, a cover is arranged on the oil filling hole, an oil tank is arranged in the oil tank, an oil outlet is arranged at one side of the bottom of the oil tank, a U-shaped rod is arranged below the oil outlet, and a rod cap is arranged at the top of one side of the bottom of the U-shaped rod.

Description

Low-abrasion ball screw travel limiter

Technical Field

The utility model relates to the technical field of limiters, in particular to a low-abrasion ball screw travel limiter.

Background

The ball screw is the most commonly used transmission element on tool machinery and precision machinery, and the main function of the ball screw is to convert rotary motion into linear motion or torque into axial repeated acting force, meanwhile, the ball screw has the characteristics of high precision, reversibility and high efficiency, and the ball and the rollaway nest are worn by the prior art, so that the precision and the service life of the screw are affected, so that a low-wear ball screw travel limiter is needed, and the prior low-wear ball screw travel limiter has some defects, such as:

if the technical scheme is that when the ball screw travel limiter is used, an operator rotates a disc according to the distance required to move, so that a screw rotates, two limiting blocks move to change the distance between the two limiting blocks, then a motor is turned on, the screw rotates, balls on an arc plate roll in a rolling way on the screw, a sleeve moves, when the sleeve moves to a corresponding position, a limiting rod slides to a second sliding groove and a sliding block moves to a groove of the limiting block, the limiting rod rises, the sleeve is jacked up upwards, friction between balls and the rolling way on the screw is reduced until the balls leave the rolling way on the screw, when the sleeve is required to move reversely, the motor is turned off, the disc can be rotated, the limiting block moves to the limiting groove, the balls on the arc plate contact with the rolling way on the screw, and the motor is turned on to reversely move the sleeve.

The technical scheme has the following problems:

the ball screw travel limiter is not provided with a device for automatically adding lubricating oil to the sliding groove and the sliding block, so that the abrasion between the sliding groove and the sliding block is large when the ball screw travel limiter is used, the service life of parts is shortened, and the production cost is increased;

in addition, this ball travel limiter does not set up self-cleaning device for part between slider and the spout is difficult to wash, and manual cleaning takes time hard and is difficult to the sanitization, makes this ball travel limiter the convenience comparatively low when using.

We have therefore proposed a low wear ball screw travel limiter to solve the problems set out above.

Disclosure of Invention

The utility model aims to provide a low-abrasion ball screw travel limiter, which solves the problems that the ball screw travel limiter in the current market proposed by the background technology has no automatic lubrication device and cannot be automatically cleaned.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ball travel limiter of low wearing and tearing, includes support frame, chassis, lead screw, stopper and lead screw nut, the one end of lead screw links to each other with the motor, and is provided with the lead screw nut on the lead screw, the below of lead screw nut is provided with the water tank, and the inside of water tank is provided with the basin, and the both sides of basin are provided with water inlet and delivery port respectively, water inlet and delivery port all are provided with the lid, and the below symmetry of basin is provided with two pipelines, and the inside of pipeline is provided with the water pump, the below and the shower nozzle intercommunication of spray tube;

the below of lead screw is provided with the chassis, and the top of chassis is provided with the spout to the both ends of spout are provided with the oil tank, the top of oil tank is provided with the oil filler point, and is provided with the lid on the oil filler point, and the inside of oil tank is provided with the oil tank, one side of oil tank bottom is provided with the oil-out, and the below of oil-out is provided with the U type pole, and the top of U type pole bottom one side is provided with the pole cap, be provided with the hole groove on the oil tank, and the U type pole passes from the hole groove to the outside of hole groove is provided with the reset plate, be provided with the spring between pole cap and the reset plate.

By adopting the technical scheme, the low-abrasion ball screw travel limiter reduces abrasion between the sliding groove and the sliding block when in use, prolongs the service life of parts, reduces production cost, and meanwhile, the automatic cleaning device is arranged, so that the part between the sliding block and the sliding groove is easy to clean, and the production efficiency is improved.

As the preferable technical scheme of the utility model, two thread grooves are formed in the outer side of the water tank bottom spray pipe, a sliding block is arranged below the water tank, and the water tank is connected with the sliding block through the thread grooves and the screw.

By adopting the technical scheme, the water tank and the sliding block can be more conveniently connected and detached.

As the preferable technical scheme of the utility model, a sliding groove is arranged in the underframe, and the sliding block and the sliding groove are of a sliding structure.

By adopting the technical scheme, the sliding block can be conveniently moved.

As the preferable technical scheme of the utility model, the lower part of the oil outlet is tightly attached to the U-shaped rod.

By adopting the technical scheme, the lubricating oil can be blocked to prevent waste.

As a preferable technical scheme of the utility model, a funnel is arranged below the underframe, and a drain pipe is arranged at the bottom of the funnel.

By adopting the technical scheme, the cleaned wastewater can be discharged more easily.

As a preferable technical scheme of the utility model, a fixing plate is arranged below the motor.

The motor can be fixed by adopting the technical scheme.

Compared with the prior art, the utility model has the beneficial effects that:

1. the low-wear ball screw travel limiter is provided with a device for automatically adding lubricating oil to the sliding groove and the sliding block, so that the low-wear ball screw travel limiter reduces the wear between the sliding groove and the sliding block during use, prolongs the service life of parts and reduces the production cost;

2. this ball travel limiter of low wearing and tearing is provided with self-cleaning device for part between slider and the spout is by the sanitization easily, has promoted the convenience of this ball travel limiter of low wearing and tearing when using, has improved production efficiency.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at B;

FIG. 4 is a schematic side view of a slide chute of the present utility model;

fig. 5 is a schematic top view of the sliding chute of the present utility model.

In the figure: 1. a support frame; 2. a chassis; 3. a screw rod; 4. a limiting block; 5. a lead screw nut; 6. a slide block; 7. a chute; 8. a funnel; 9. a drain pipe; 10. a fixing plate; 11. a motor; 12. a water tank; 13. a water tank; 14. a water inlet; 15. a water outlet; 16. a pipe; 17. a spray head; 18. a thread groove; 19. a screw; 20. a cover; 21. an oil filling hole; 22. an oil tank; 23. an oil outlet; 24. a pole cap; 25. a U-shaped rod; 26. a spring; 27. a reset plate; 28. a hole groove; 29. and an oil tank.

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.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a ball travel limiter of low wearing and tearing, includes support frame 1, chassis 2, lead screw 3, stopper 4 and lead screw nut 5, and the one end of lead screw 3 links to each other with motor 11, and the below of motor 11 is provided with fixed plate 10, and is provided with lead screw nut 5 on the lead screw 3, the below of lead screw nut 5 is provided with water tank 12, the outside of water tank 12 bottom pipeline 16 is provided with two screw grooves 18, and the below of water tank 12 is provided with slider 6, the inside of chassis 2 is provided with spout 7, and slider 6 and spout 7 are sliding structure, and water tank 12 and slider 6 pass through screw groove 18 and screw 19 to be linked to each other, and the inside of water tank 12 is provided with basin 13, and both sides of basin 13 are provided with water inlet 14 and delivery port 15 respectively, water inlet 14 and delivery port 15 all are provided with lid 20, and the below of basin 13 is provided with two pipelines 16 symmetrically, and the inside of pipeline 16 is provided with the water pump, the below of pipeline 16 communicates with shower nozzle 17.

The lower part of the screw rod 3 is provided with a bottom frame 2, the lower part of the bottom frame 2 is provided with a funnel 8, the bottom of the funnel 8 is provided with a drain pipe 9, the top of the bottom frame 2 is provided with a chute 7, two ends of the chute 7 are provided with an oil tank 29, the top end of the oil tank 29 is provided with an oil filling hole 21, the oil filling hole 21 is provided with a cover 20, the inside of the oil tank 29 is provided with an oil tank 22, one side of the bottom of the oil tank 22 is provided with an oil outlet 23, the lower part of the oil outlet 23 is provided with a U-shaped rod 25, the lower part of the oil outlet 23 is tightly attached to the U-shaped rod 25, the top end of one side of the bottom of the U-shaped rod 25 is provided with a rod cap 24, the oil tank 29 is provided with a hole 28, the U-shaped rod 25 passes through the hole 28, the outer side of the hole 28 is provided with a reset plate 27, a spring 26 is arranged between the rod cap 24 and the reset plate 27, firstly, the cover 20 on the oil tank 29 is opened, lubricating oil is injected into the oil tank 22 from the oil injection hole 21, then the motor 11 is started, the screw 3 is rotated, the screw nut 5 is driven to move, the slide block 6 is driven to slide in the sliding groove 7 by the movement of the screw nut 5, when the slide block 6 slides to the two ends of the sliding groove 7, the rod cap 24 on the oil tank 29 is triggered, the spring 26 is pressed inwards by the rod cap 24, the part of the U-shaped rod 25 connected with the oil outlet 23 is moved away, the lubricating oil in the oil tank 22 flows out of the oil outlet 23 onto the slide block 6 and the sliding groove 7, the lubricating oil outlet 23 is plugged again by the spring 26 when the slide block 6 is moved away, the rod cap 24 and the U-shaped rod 25 are reset, the body is cleaned after the use, the cover 20 of the water inlet 14 on the water tank 12 is opened, water is injected into the water tank 13, the water in the water tank 13 is sprayed out of the spray head 17 by the water pump through the pipeline 16, the slide 6 and the chute 7 are cleaned, and the cleaned water flows into the funnel 8 and is discharged from the drain pipe 9.

Working principle: when the low-wear ball screw travel limiter is used, firstly, the cover 20 on the oil tank 29 is opened, lubricating oil is injected into the oil tank 22 from the oil injection hole 21, then the motor 11 is started, so that the screw 3 rotates, the screw nut 5 is driven to move, the movement of the screw nut 5 drives the sliding block 6 to slide in the sliding groove 7, when the sliding block 6 slides to two ends of the sliding groove 7, the rod cap 24 on the oil tank 29 is triggered, the rod cap 24 presses the spring 26 inwards, the part, connected with the oil outlet 23, of the U-shaped rod 25 is moved away, so that the lubricating oil in the oil tank 22 flows out of the oil outlet 23 to the sliding block 6 and the sliding groove 7 for lubricating, and when the sliding block 6 is moved away, the spring 26 drives the rod cap 24 and the U-shaped rod 25 to reset, so that the oil outlet 23 is plugged again;

after the use, the machine body is cleaned, the cover 20 of the water inlet 14 on the water tank 12 is opened, water is injected into the water tank 13, the water pump enables the water in the water tank 13 to be sprayed out from the spray head 17 through the pipeline 16, the sliding block 6 and the sliding groove 7 are cleaned, the cleaned water flows into the funnel 8, and the water is discharged from the drain pipe 9.

To complete a series of work, and what is not described in detail in this specification is prior art that is well known to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The low-abrasion ball screw travel limiter is characterized by comprising a supporting frame (1), a bottom frame (2), a screw (3), a limiting block (4) and a screw nut (5);

one end of the screw rod (3) is connected with the motor (11), a screw rod nut (5) is arranged on the screw rod (3), a water tank (12) is arranged below the screw rod nut (5), a water tank (13) is arranged inside the water tank (12), a water inlet (14) and a water outlet (15) are respectively arranged on two sides of the water tank (13), a cover (20) is arranged on each of the water inlet (14) and the water outlet (15), two pipelines (16) are symmetrically arranged below the water tank (13), a water pump is arranged inside the pipeline (16), and the lower part of the pipeline (16) is communicated with a spray head (17);

the below of lead screw (3) is provided with chassis (2), and the top of chassis (2) is provided with spout (7) to the both ends of spout (7) are provided with oil tank (29), the top of oil tank (29) is provided with oil filler point (21), and is provided with lid (20) on oil filler point (21) to the inside of oil tank (29) is provided with oil tank (22), one side of oil tank (22) bottom is provided with oil-out (23), and the below of oil-out (23) is provided with U type pole (25), and the top of U type pole (25) bottom one side is provided with pole cap (24), be provided with hole groove (28) on oil tank (29), and U type pole (25) pass from hole groove (28), and the outside of hole groove (28) is provided with reset plate (27), be provided with spring (26) between pole cap (24) and reset plate (27).

2. The low-wear ball screw stroke limiter according to claim 1, wherein two thread grooves (18) are provided on the outer side of the bottom pipe (16) of the water tank (12), a slider (6) is provided below the water tank (12), and the water tank (12) and the slider (6) are connected to each other through the thread grooves (18) and a screw (19).

3. The low-wear ball screw travel limiter according to claim 1, characterized in that the inside of the chassis (2) is provided with a sliding groove (7), and the slider (6) and the sliding groove (7) are of a sliding structure.

4. The low-wear ball screw travel limiter according to claim 1, characterized in that the lower part of the oil outlet (23) is closely fitted with a U-shaped rod (25).

5. The low-wear ball screw travel limiter according to claim 1, characterized in that a funnel (8) is provided below the chassis (2), and that a drain pipe (9) is provided at the bottom of the funnel (8).

6. The low-wear ball screw travel limiter according to claim 1, characterized in that a fixed plate (10) is provided below the motor (11).