Self-lubricating ball screw with long service life

Abstract

The utility model discloses a self-lubricating ball screw with long service life, which relates to the field of ball screws and comprises a screw body, a movable slider is sleeved in the middle of the outer side of the screw body, an oil storage tank is sleeved at one end of the outer side of the movable slider, and a lubricating mechanism of the self-lubricating ball screw is arranged at one end of the movable slider. The lubricating mechanism comprises an oil storage ring, one side of the oil storage ring is connected with one side of an oil storage tank, oil inlets are formed in one side of the oil storage ring in an annular array mode, oil outlets are formed in one side of the oil storage tank in an annular array mode, and the oil outlets communicate with the oil inlets in a one-to-one correspondence mode. By means of the lubricating mechanism, the movable sliding block on the lead screw body can drive the lubricating mechanism to lubricate the lead screw body in the moving process, so that the lead screw body is lubricated in time, and the situation that the lead screw body lacks lubricating grease, the lead screw body is abraded to a certain degree in the using process of the movable sliding block, and the subsequent normal using condition is affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of ball screws, in particular to a self-lubricating long-life ball screw. Background Art

[0002] Ball screw is an ideal product for converting rotary motion into linear motion, or converting linear motion into rotary motion. It is mainly composed of a screw, a nut and a ball. It is a further extension and development of the ball screw. Ball screws are widely used in various industrial equipment and precision instruments.

[0003] The patent number is a ball screw, which includes a screw shaft, a nut, a reverser and two scrapers; a plurality of balls arranged in sequence are arranged between the grooves provided in the nut and the screw shaft; the two scrapers are made of polyethylene material, and the two scrapers are respectively arranged in the two ports of the nut; thereby, the two scrapers are used to form a sealing ring between the two ends of the nut and the screw shaft, which effectively prevents oil leakage and prevents dust and rust from entering, thereby ensuring the stability and reliability of the transmission of the utility model, improving the performance of the product, and bringing convenience to users. At the same time, the scraper made of polyethylene material has the advantages of wear resistance, oil resistance, and no deformation, which prolongs the service life of the product; the patent is applicable to spark machines, fine hole machines, lathes, milling machines, machining center machinery, carton equipment, general machinery, general machinery, special machinery and other working mother machines, and is widely used. During use, the ball screw cannot be self-lubricated, which will cause certain wear to the ball screw.

[0004] When the ball screw lacks internal grease during long-term use, it cannot be lubricated in time, which causes certain wear to the ball screw during use and affects its normal use in the subsequent process. Utility Model Content

[0005] The utility model aims to provide a self-lubricating long-life ball screw to solve the problem in the background art that the ball screw cannot be lubricated in time, which causes certain wear to the ball screw during use.

[0006] To achieve the above object, the utility model provides the following technical solution: a self-lubricating long-life ball screw, comprising a screw body, a moving slider is sleeved on the middle part of the outer side of the screw body, and an oil storage tank is sleeved on one end of the outer side of the moving slider;

[0007] One end of the movable slider is provided with a lubricating mechanism of a self-lubricating ball screw, and the lubricating mechanism includes an oil storage ring, one side of the oil storage ring is connected to one side of an oil storage tank, one side of the oil storage ring is provided with an oil inlet in a circular array, one side of the oil storage tank is provided with an oil outlet in a circular array, and the oil outlet is connected to the oil inlet in a one-to-one correspondence;

[0008] The other end of the movable slider is provided with a cleaning mechanism for cleaning the ball screw, and the cleaning mechanism comprises an upper assembly semi-ring, and a fixed clamping column is arranged in an array along the arc of the upper assembly semi-ring on the inner side of the upper assembly semi-ring.

[0009] Furthermore, a sealing ring plate is installed on the inner side of the oil storage ring, and the sealing ring plate is sleeved on one end of the outer side of the screw rod body with the oil storage ring. Balls are nested in an array of patterns on the screw rod body on one side of the sealing ring plate, and the balls are in contact with the screw rod body.

[0010] Furthermore, a lower assembly half ring is assembled below the upper assembly half ring, an upper mounting half ring is assembled inside the upper assembly half ring, and an array of snap-in holes are provided on the outer side of the upper mounting half ring along the arc of the upper mounting half ring, and the fixed clamping columns of the upper mounting half ring are snapped into the snap-in holes of the upper mounting half ring one by one.

[0011] Furthermore, a lower mounting half ring is assembled on the inner side of the lower assembly half ring, and a fixed clamping column is provided on the inner side of the lower assembly half ring in an array along the arc of the lower assembly half ring, and a clamping hole is provided on the outer side of the lower mounting half ring in an array along the arc of the lower mounting half ring, and the fixed clamping columns of the lower assembly half ring are inserted into the clamping holes of the lower mounting half ring one by one.

[0012] Furthermore, both ends of the top of the lower mounting semi-ring are provided with limit holes in an array, both ends of the bottom of the upper mounting semi-ring are provided with limit columns in an array, and the limit columns are inserted into the limit holes one by one, and a cleaning brush is installed at one end of the inner side of the lower mounting semi-ring and the upper mounting semi-ring, and a cleaning sponge is installed at the other end of the inner side of the lower mounting semi-ring and the upper mounting semi-ring, and the cleaning sponge and the cleaning brush are in contact with the screw body.

[0013] Furthermore, assembly ear plates are provided above and below both ends of one side of the oil storage tank, and the assembly ear plates are distributed correspondingly in pairs, and bidirectional screws are installed between the corresponding assembly ear plates, and the two bidirectional screws are respectively located at both ends of one side of the oil storage tank, one side of the upper assembly half ring is connected to one side of the upper fixing ring, and one side of the lower assembly half ring is connected to one side of the lower fixing ring.

[0014] Furthermore, both ends of the top of the lower fixed ring and both ends of the bottom of the upper fixed ring are connected to movable plates, and movable turntables are opened on the tops of the movable plates. The two movable plates of the upper fixed ring are respectively sleeved above the middle part of the outer side of the two bidirectional screws through the movable turntables, and the two movable plates of the lower fixed ring are respectively sleeved below the middle part of the outer side of the two bidirectional screws through the movable turntables.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The moving slider on the screw body can be lubricated by the lubrication mechanism during the movement, so that the screw body can be lubricated in time to prevent the screw body from lacking grease and causing certain wear to the screw body during use, thereby affecting its normal use in the subsequent sequence.

[0017] 2. The oil storage ring will rotate and move with the moving slider, and the balls on the sealing ring plate of the oil storage ring will rotate and move, evenly applying the grease in the oil storage ring to various parts of the screw body, lubricating the screw body, preventing wear and increasing the service life of the screw body.

[0018] 3. The grease in the oil storage ring is evenly spread by the revolution and rotation of the ball on the screw body, thereby improving the utilization rate of the grease and preventing excess grease from dripping during the application process and polluting the surrounding environment.

[0019] 4. The cleaning mechanism can be used to clean the dust and other impurities on the surface of the screw body, preventing dust and other impurities from entering the ball nut, effectively increasing the service life of the ball screw.

[0020] 5. At the same time, before using the lubrication mechanism, use a cleaning brush and a cleaning sponge to clean the screw body to prevent the grease from coming into contact with dust and forming oil stains and dirt that are difficult to clean on the screw body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the oil storage tank of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the oil storage ring of the utility model;

[0024] Figure 4 This is a schematic diagram of the upper assembled semi-ring three-dimensional structure of the utility model;

[0025] Figure 5 This is a schematic diagram of the lower assembly semi-ring three-dimensional structure of the utility model;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the upper fixing ring of the utility model.

[0027] In the figure: 1. screw body; 2. movable slider; 3. oil storage tank; 4. oil storage ring; 5. oil inlet; 6. oil outlet; 7. upper assembly half ring; 8. fixed clamping column; 9. sealing ring plate; 10. ball; 11. lower assembly half ring; 12. upper installation half ring; 13. clamping hole; 14. lower installation half ring; 15. limiting hole; 16. limiting column; 17. cleaning brush; 18. cleaning sponge; 19. assembly ear plate; 20. bidirectional screw; 21. upper fixing ring; 22. lower fixing ring; 23. movable plate; 24. movable swivel. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 6 The utility model provides the following technical solution: a self-lubricating long-life ball screw, comprising a screw body 1, a moving slider 2 is sleeved on the middle part of the outer side of the screw body 1, and an oil storage tank 3 is sleeved on one end of the outer side of the moving slider 2;

[0030] Embodiment 1: Figure 1-Figure 3 As shown, the device designs a lubrication mechanism to self-lubricate the screw body 1, thereby increasing the service life of the screw body 1, as follows:

[0031] One end of the movable slider 2 is provided with a lubricating mechanism of a self-lubricating ball screw, and the lubricating mechanism includes an oil storage ring 4, one side of the oil storage ring 4 is connected to one side of the oil storage tank 3, one side of the oil storage ring 4 is provided with an oil inlet 5 in a ring array, one side of the oil storage tank 3 is provided with an oil outlet 6 in a ring array, and the oil outlet 6 is connected to the oil inlet 5 in a one-to-one correspondence, a sealing ring plate 9 is installed on the inner side of the oil storage ring 4, and the sealing ring plate 9 is sleeved on one end of the outer side of the screw body 1 with the oil storage ring 4, and a ball 10 is nested in an array of patterns on the wire rod body 1 on one side of the sealing ring plate 9, and the ball 10 is in contact with the wire rod body 1;

[0032] The grease of the oil storage ring 4 is evenly spread by the ball 10 in contact with the wire extension rod body 1, and the grease in the oil storage tank 3 enters the oil storage ring 4 from the connected oil outlet 6 and oil inlet 5 to provide sufficient grease for it.

[0033] Embodiment 2: Figure 4-Figure 5 As shown, the device utilizes a cleaning mechanism to keep the screw body 1 clean and increase its service life, as follows:

[0034] The other end of the movable slider 2 is provided with a cleaning mechanism for cleaning the ball screw, the cleaning mechanism comprising an upper assembly semi-ring 7, a fixed clamping column 8 is arranged in an array along the arc of the upper assembly semi-ring 7 on the inner side of the upper assembly semi-ring 7, a lower assembly semi-ring 11 is correspondingly assembled below the upper assembly semi-ring 7, an upper mounting semi-ring 12 is assembled on the inner side of the upper assembly semi-ring 7, a clamping hole 13 is opened on the outer side of the upper mounting semi-ring 12 along the arc of the upper mounting semi-ring 12, and the fixed clamping columns 8 of the upper mounting semi-ring 12 are clamped into the clamping holes 13 of the upper mounting semi-ring 12 one by one;

[0035] A lower mounting semi-ring 14 is assembled on the inner side of the lower assembly semi-ring 11, and a fixed clamping column 8 is arranged in an array on the inner side of the lower assembly semi-ring 11 along the curvature of the lower assembly semi-ring 11, and a clamping hole 13 is arranged in an array on the outer side of the lower mounting semi-ring 14 along the curvature of the lower mounting semi-ring 14, and the fixed clamping column 8 of the lower assembly semi-ring 11 is clamped into the clamping hole 13 of the lower mounting semi-ring 14 one by one, and both ends of the top of the lower mounting semi-ring 14 are provided with limiting holes 15 in an array, and both ends of the bottom of the upper mounting semi-ring 12 are provided with limiting columns 16 in an array, and the limiting columns 16 are clamped into the limiting holes 15 one by one, and one end of the inner side of the lower mounting semi-ring 14 and the upper mounting semi-ring 12 is installed with a cleaning brush 17, and the other end of the inner side of the lower mounting semi-ring 14 and the upper mounting semi-ring 12 is installed with a cleaning sponge 18, and the cleaning sponge 18 and the cleaning brush 17 are in contact with the screw body 1;

[0036] The cleaning sponge 18 and the cleaning brush 17 clean the screw body 1 as the moving slider 2 moves on the moving slider 2 to prevent dust, oil stains, etc. from affecting the movement of the moving slider 2 and damaging the moving slider 2.

[0037] Embodiment 3: Figure 4 , Figure 5 and Figure 6 As shown, the device utilizes an upper fixing ring 21 to facilitate the disassembly and replacement of the cleaning sponge 18 and the cleaning brush 17, so that the cleaning mechanism maintains the cleaning performance, as follows:

[0038] Assembly ear plates 19 are provided above and below both ends of one side of the oil storage tank 3, and the assembly ear plates 19 are distributed in pairs, and bidirectional screws 20 are installed between the two corresponding assembly ear plates 19, and the two bidirectional screws 20 are respectively located at both ends of one side of the oil storage tank 3, one side of the upper assembly half ring 7 is connected to one side of the upper fixing ring 21, and one side of the lower assembly half ring 11 is connected to one side of the lower fixing ring 22;

[0039] Both ends of the top of the lower fixed ring 22 and both ends of the bottom of the upper fixed ring 21 are connected with movable plates 23, and the tops of the movable plates 23 are provided with movable turning ports 24. The two movable plates 23 of the upper fixed ring 21 are respectively sleeved above the middle of the outer sides of the two bidirectional screws 20 through the movable turning ports 24, and the two movable plates 23 of the lower fixed ring 22 are respectively sleeved below the middle of the outer sides of the two bidirectional screws 20 through the movable turning ports 24;

[0040] Rotate the two bidirectional screws 20, and the moving turn 24 of the moving plate 23 cooperates with the bidirectional screws 20 to separate the lower fixing ring 22 and the upper fixing ring 21, so that the lower fixing ring 22 and the upper fixing ring 21 move to loosen the fixation of the upper assembly half ring 7 and the lower assembly half ring 11, and at the same time, the fixed clamping column 8 leaves the clamping hole 13, and the lower installation half ring 14 and the upper installation half ring 12 are separated from the screw body 1 with the cleaning sponge 18 and the cleaning brush 17 for replacement.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-lubricating long-life ball screw, comprising a screw body (1), a moving slider (2) sleeved on the middle of the outer side of the screw body (1), and an oil storage tank (3) sleeved on one end of the outer side of the moving slider (2); It is characterized in that A lubricating mechanism for a self-lubricating ball screw is provided at one end of the movable slider (2), the lubricating mechanism comprising an oil storage ring (4), one side of the oil storage ring (4) is connected to one side of an oil storage tank (3), one side of the oil storage ring (4) is provided with oil inlets (5) in a circular array, one side of the oil storage tank (3) is provided with oil outlets (6) in a circular array, and the oil outlets (6) are connected to the oil inlets (5) in a one-to-one correspondence; The other end of the movable slider (2) is provided with a cleaning mechanism for cleaning the ball screw, the cleaning mechanism comprising an upper assembly half ring (7), and a fixed clamping column (8) is arranged in an array along the arc of the upper assembly half ring (7) on the inner side of the upper assembly half ring (7).

2. A self-lubricating long-life ball screw according to claim 1, characterized in that: A sealing ring plate (9) is installed on the inner side of the oil storage ring (4), and the sealing ring plate (9) is sleeved on one end of the outer side of the screw rod body (1) along with the oil storage ring (4). Ball bearings (10) are embedded in a pattern array on the screw rod body (1) on one side of the sealing ring plate (9), and the balls (10) are in contact with the screw rod body (1).

3. A self-lubricating long-life ball screw according to claim 1, characterized in that: A lower assembly semi-ring (11) is correspondingly assembled below the upper assembly semi-ring (7), an upper mounting semi-ring (12) is assembled inside the upper assembly semi-ring (7), and an array of snap-in holes (13) are provided on the outer side of the upper mounting semi-ring (12) along the arc of the upper mounting semi-ring (12), and the fixed clamping columns (8) of the upper mounting semi-ring (12) are snapped into the snap-in holes (13) of the upper mounting semi-ring (12) one by one.

4. A self-lubricating long-life ball screw according to claim 3, characterized in that: A lower mounting half ring (14) is assembled on the inner side of the lower assembly half ring (11); a fixed clamping column (8) is arranged on the inner side of the lower assembly half ring (11) in an array manner along the arc of the lower assembly half ring (11); a clamping hole (13) is opened on the outer side of the lower mounting half ring (14) in an array manner along the arc of the lower mounting half ring (14); and the fixed clamping columns (8) of the lower assembly half ring (11) are clamped into the clamping holes (13) of the lower mounting half ring (14) one by one.

5. A self-lubricating long-life ball screw according to claim 4, characterized in that: Both ends of the top of the lower mounting semi-ring (14) are provided with limiting holes (15) in an array, and both ends of the bottom of the upper mounting semi-ring (12) are provided with limiting posts (16) in an array, and the limiting posts (16) are inserted into the limiting holes (15) one by one, and one end of the inner side of the lower mounting semi-ring (14) and the upper mounting semi-ring (12) is provided with a cleaning brush (17), and the other end of the inner side of the lower mounting semi-ring (14) and the upper mounting semi-ring (12) is provided with a cleaning sponge (18), and the cleaning sponge (18) and the cleaning brush (17) are both in contact with the screw body (1).

6. A self-lubricating long-life ball screw according to claim 5, characterized in that: Assembly ear plates (19) are provided above and below both ends of one side of the oil storage tank (3), and the assembly ear plates (19) are distributed in pairs, and bidirectional screw rods (20) are installed between the two corresponding assembly ear plates (19). The two bidirectional screw rods (20) are respectively located at the two ends of one side of the oil storage tank (3), one side of the upper assembly half ring (7) is connected to one side of the upper fixing ring (21), and one side of the lower assembly half ring (11) is connected to one side of the lower fixing ring (22).

7. A self-lubricating long-life ball screw according to claim 6, characterized in that: Both ends of the top of the lower fixed ring (22) and both ends of the bottom of the upper fixed ring (21) are connected with movable plates (23), and the tops of the movable plates (23) are provided with movable turning ports (24). The two movable plates (23) of the upper fixed ring (21) are respectively sleeved above the middle parts of the outer sides of the two bidirectional screw rods (20) through the movable turning ports (24), and the two movable plates (23) of the lower fixed ring (22) are respectively sleeved below the middle parts of the outer sides of the two bidirectional screw rods (20) through the movable turning ports (24).

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