A screw rod lubrication structure

By designing a screw lubrication structure including sliding frame, load frame, extrusion column and sponge material auxiliary block, the problem of difficult to maintain the lubrication state between the screw and the nut in the screw is solved, effective lubrication effect is achieved, and the service life of the screw is extended.

CN222702533UActive Publication Date: 2025-04-01KUNSHAN MEIJIFU PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202420948704.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-04-01
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

When using a screw, since the screw often needs to be exposed, the lubricating state between the screw and the nut is difficult to maintain, and the accuracy is easily reduced due to wear.

Method used

A screw lubricating structure is designed, including a screw body, a sliding frame, an adjustment device and an auxiliary device. Through the sliding connection between the sliding frame and the bearing frame, the lubricant is poured into the bearing frame, and then through the sliding of the extrusion column and the limit column, the lubricant is soaked in the auxiliary block made of sponge material, and the arc surface of the screw is lubricated through the ball.

Benefits of technology

Effectively and conveniently maintain the lubricating state of the screw, avoiding the reduction of accuracy due to wear, and enable the screw to operate normally for a long time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of screw rod lubrication, and in particular to a screw rod lubrication structure. It comprises a screw rod body, the arc surface of which is installed with a sliding frame, the surface of which is installed with a lubricant; an adjusting device, which is installed on the surface of the sliding frame, and the adjusting device comprises a bearing frame, the surface of which is slidably connected to the arc surface of the sliding frame, and the bottom surface of the bearing frame is fixedly connected with three extrusion columns, the arc surfaces of the three extrusion columns are all slidably connected to a limiting column, the bottom end of the limiting column is slidably connected with a ball, the arc surface of the ball is slidably connected to a thread on the screw rod body, the inner wall of the limiting column is fixedly connected with an auxiliary block, the auxiliary block is a sponge block, and the arc surface of the extrusion column is covered with a spring. The screw rod lubrication structure provided by the utility model has the advantage of convenient and quick lubrication of the screw rod.
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Description

Technical Field

[0001] The utility model relates to the technical field of screw rod lubrication, in particular to a screw rod lubrication structure. Background Art

[0002] The lead screw is a commonly used transmission element, mainly including a screw and a nut. The nut can achieve linear motion by rotating the screw. The lead screw is the most commonly used transmission element in tool machinery and precision machinery, and is more common in daily life.

[0003] Prior art includes a utility model with a publication number of CN218856353U. This patent discloses a screw with a self-lubricating structure for a machine tool. The patent includes a screw body, the screw body includes a rod body, the outer surface of the rod body is connected to a first connecting sleeve, and the outer surface of the first connecting sleeve is connected to a first baffle, the outer surface of the first baffle is connected to a feeding assembly, and the inside of the rod body is connected to a lubrication assembly; the feeding assembly includes a first covering sheet, a first pad, a first support rod, a first sliding seat and a first spring, the inside of the rod body is connected to a first covering sheet, and the bottom surface of the first covering sheet is connected to a first support rod. The screw with a self-lubricating structure for a machine tool can effectively and conveniently add an appropriate amount of oil to the outer surface of the rod body by setting a feeding assembly, thereby reducing the waste of oil, and the device can effectively and conveniently lubricate the rod body from the inside to the outside by setting a lubrication assembly, thereby increasing the lubrication effect.

[0004] The inventors have found in daily life that, in the process of operating the screw, since the screw on the screw often needs to be exposed, in order to ensure the normal operation of the screw, the screw and the nut need to maintain effective lubrication to avoid the problem of reduced accuracy due to wear.

[0005] Therefore, it is necessary to provide a new screw lubrication structure to solve the above technical problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a screw rod lubrication structure.

[0007] The utility model provides a screw rod lubrication structure comprising: a screw rod body, a sliding frame is installed on the arc surface of the screw rod body, and a lubricant is installed on the surface of the sliding frame; an adjusting device, the adjusting device is installed on the surface of the sliding frame, the adjusting device comprises a bearing frame, the surface of the bearing frame is slidably connected to the arc surface of the sliding frame, three extrusion columns are fixedly connected to the bottom surface of the bearing frame, the arc surfaces of the three extrusion columns are all slidably connected to a limiting column, a ball is slidably connected to the bottom end of the limiting column, the arc surface of the ball is slidably connected to a thread on the screw rod body, an auxiliary block is fixedly connected to the inner wall of the limiting column, the auxiliary block is a sponge block, the arc surface of the extrusion column is sleeved with a spring, and the two ends of the spring are respectively fixedly connected to the limiting column and the bearing frame; an auxiliary device, the auxiliary device is installed on the arc surface of the sliding frame.

[0008] The effect achieved by the above-mentioned components is: during the operation and use of the lead screw, since the screw on the lead screw often needs to be exposed, in order to ensure the normal operation of the lead screw, the screw and the nut need to maintain an effective lubrication state to avoid reduced accuracy due to wear. At this time, in order to facilitate the lubrication of the arc surface of the lead screw, the lubricant is poured into the bearing frame through a bearing frame slidably connected to the sliding frame, and then the lubricating liquid soaks the auxiliary block made of sponge material through the sliding between the bearing frame and the extrusion column and the limit column, and the auxiliary block applies lubricant to the ball on the limit column, and the tension generated by the upper spring of the extrusion column can effectively allow the extrusion column to squeeze the auxiliary block in the limit column, and then the arc surface of the lead screw body is lubricated through the ball, so that the lead screw body can be effectively and conveniently operated for a long time.

[0009] Preferably, the sliding frame is slidably connected to a connecting plate on the arc surface on one side away from the supporting frame, and two tension springs are fixedly connected to the bottom surface of the connecting plate. One end of the two tension springs is fixedly connected to a scraper, and the surface of the scraper is in contact with the arc surface of the screw rod body.

[0010] The effect achieved by the above components is: during the process of lubricating the arc surface of the entire screw body, the tension generated by the tension spring on the connecting plate squeezes the position of the scraper, thereby effectively allowing the scraper to clean the dirt on the screw body for better lubrication.

[0011] Preferably, a telescopic rod is slidably connected to the inner wall of the tension spring, and two ends of the telescopic rod are respectively fixedly connected to the scraper plate and the connecting plate.

[0012] The effect achieved by the above components is: in the process of operating the tension spring, in order to prevent the tension spring from being deformed, the telescopic rod on the inner wall of the tension spring is used for effective protection operation.

[0013] Preferably, the scraper has an arc-shaped cross section, and the cross-sectional dimensions of the scraper are matched with the dimensions of the thread groove on the arc surface of the screw body.

[0014] The effect achieved by the above components is that the scraper with an arc-shaped cross-section can conveniently and effectively clean the stains on the screw body, thereby facilitating the operation of the screw body.

[0015] Preferably, the auxiliary device includes a support frame, the bottom end of the support frame is fixedly connected to the arc surface of the sliding frame, a rotating shaft is threaded through both sides of the arc surface of the support frame, one end of the rotating shaft abuts against the surface of the lubricant, the upper end of the lubricant is fixedly connected to a connecting pipe, one end of the connecting pipe is fixedly connected to a sealing ring, and the arc surface of the sealing ring is slidably connected to the side wall of the supporting frame.

[0016] The effect achieved by the above components is: when operating and using the lubricant on the sliding frame, in order to facilitate the fixing and limiting of the lubricant, the support frame on the sliding frame is fixed, and then the lubricant is squeezed and fixed by the rotating shaft with threads on the support frame, and then the lubricating liquid in the lubricant is transported to the bearing frame through the connecting pipe for lubrication operation of the screw rod.

[0017] Preferably, a protective pad is rotatably connected to one end of the rotating shaft close to the lubricant, and the surface of the protective pad abuts against the surface of the lubricant.

[0018] The effect achieved by the above components is that when the rotating shaft is used to squeeze and limit the entire lubricant, the protective pad on the rotating shaft can effectively provide operational protection to avoid excessive squeezing.

[0019] Preferably, the arc surface of the rotating shaft is provided with a plurality of friction grooves, and the plurality of friction grooves are evenly distributed on the arc surface of the rotating shaft.

[0020] The effect achieved by the above components is that when the rotating shaft is rotated, the friction can be increased through the friction groove, so that the rotating shaft can be operated and used effectively and conveniently.

[0021] Compared with the related art, the screw rod lubrication structure provided by the utility model has the following beneficial effects:

[0022] The utility model provides a screw rod lubrication structure. During the operation and use of the screw rod, since the screw rod on the screw rod often needs to be exposed, in order to ensure the normal operation of the screw rod, an effective lubrication state needs to be maintained between the screw rod and the nut to avoid reduction of accuracy due to wear. At this time, the circular arc surface of the screw rod is lubricated by operating the adjusting device, and the lubricant is poured into the bearing frame through a bearing frame slidably connected to the sliding frame, and then the lubricating liquid soaks the auxiliary block made of sponge material through sliding between the bearing frame and the extrusion column and the limit column, and the auxiliary block is used to apply the lubricant to the ball on the limit column, and the tension generated by the upper spring of the extrusion column can effectively allow the extrusion column to squeeze the auxiliary block in the limit column, and then the circular arc surface of the screw rod body is lubricated through the ball, so that the screw rod body can be effectively and conveniently operated and used for a long time.

[0023] When operating and using the lubricant on the sliding frame, in order to facilitate the fixing and limiting of the lubricant, the auxiliary device is operated to achieve the fixing and limiting of the lubricant. At this time, the support frame on the sliding frame is fixed, and the lubricant is squeezed and fixed by the rotating shaft of the thread on the support frame, and the lubricating liquid in the lubricant is transported to the bearing frame through the connecting pipe to perform the lubrication operation of the screw rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A structural schematic diagram of a screw rod lubrication structure provided by the utility model;

[0025] Figure 2 for Figure 1 The structural schematic diagram of the regulating device shown;

[0026] Figure 3 for Figure 1 A partial structural schematic diagram of the regulating device shown;

[0027] Figure 4 for Figure 3 A schematic diagram of a partial disassembled structure of the regulating device shown;

[0028] Figure 5 for Figure 1 Schematic diagram of the structure of the auxiliary device shown.

[0029] Numbers in the figure: 1. screw body; 2. sliding frame; 3. lubricant; 4. adjusting device; 401. bearing frame; 402. connecting plate; 403. limiting column; 404. ball; 405. extrusion column; 406. spring; 407. telescopic rod; 408. tension spring; 409. scraper; 410. auxiliary block; 5. auxiliary device; 51. supporting frame; 52. rotating shaft; 53. connecting pipe; 54. friction groove; 55. protective pad; 56. sealing ring. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0031] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0032] See also Figures 1 to 5 A screw rod lubrication structure provided by an embodiment of the utility model includes: a screw rod body 1, a sliding frame 2 is installed on the arc surface of the screw rod body 1, and a lubricant 3 is installed on the surface of the sliding frame 2; an adjusting device 4, the adjusting device 4 is installed on the surface of the sliding frame 2, and an auxiliary device 5, the auxiliary device 5 is installed on the arc surface of the sliding frame 2.

[0033] In the embodiments of the present invention, please refer to Figure 2 , Figure 3 and Figure 4 The adjusting device 4 includes a bearing frame 401, the surface of the bearing frame 401 is slidably connected to the arc surface of the sliding frame 2, the bottom surface of the bearing frame 401 is fixedly connected with three extrusion columns 405, the arc surfaces of the three extrusion columns 405 are all slidably connected to the limiting column 403, the bottom end of the limiting column 403 is slidably connected with a ball 404, the arc surface of the ball 404 is slidably connected to the thread on the screw body 1, the inner wall of the limiting column 403 is fixedly connected with an auxiliary block 410, the auxiliary block 410 is a sponge block, the arc surface of the extrusion column 405 is sleeved with a spring 406, and the two ends of the spring 406 are respectively connected to the limiting column 403 and The carrying frame 401 is fixedly connected, and the arc surface of the sliding frame 2 on one side away from the carrying frame 401 is slidably connected with a connecting plate 402. Two tension springs 408 are fixedly connected to the bottom surface of the connecting plate 402. One end of the two tension springs 408 is fixedly connected with a scraper 409. The surface of the scraper 409 is in contact with the arc surface of the screw body 1. The inner wall of the tension spring 408 is slidably connected with a telescopic rod 407. The two ends of the telescopic rod 407 are respectively fixedly connected with the scraper 409 and the connecting plate 402. The cross section of the scraper 409 is arc-shaped, and the cross-sectional size of the scraper 409 is adapted to the size of the thread groove on the arc surface of the screw body 1.

[0034] In the embodiments of the present invention, please refer to Figure 5The auxiliary device 5 includes a support frame 51, the bottom end of the support frame 51 is fixedly connected to the arc surface of the sliding frame 2, and a rotating shaft 52 is threaded through both sides of the arc surface of the support frame 51, one end of the rotating shaft 52 abuts against the surface of the lubricant 3, and a connecting pipe 53 is fixedly connected to the upper end of the lubricant 3, and a sealing ring 56 is fixedly connected to one end of the connecting pipe 53, and the arc surface of the sealing ring 56 is slidably connected to the side wall of the bearing frame 401. A protective pad 55 is rotatably connected to one end of the rotating shaft 52 close to the lubricant 3, and the surface of the protective pad 55 abuts against the surface of the lubricant 3. A plurality of friction grooves 54 are opened on the arc surface of the rotating shaft 52, and the plurality of friction grooves 54 are evenly distributed on the arc surface of the rotating shaft 52;

[0035] The working principle of a screw lubrication structure provided by the utility model is as follows: in the process of operating the screw, since the screw on the screw often needs to be exposed, in order to ensure the normal operation of the screw, the screw and the nut need to maintain an effective lubrication state to avoid reducing the accuracy due to wear. At this time, in order to facilitate the lubrication of the arc surface of the screw, a lubricant 3 is poured into the bearing frame 401 through a bearing frame 401 slidably connected to the sliding frame 2, and then the lubricant is soaked in the auxiliary sponge material through the sliding between the bearing frame 401 and the extrusion column 405 and the limit column 403. The auxiliary block 410 is used to apply lubricant 3 to the ball 404 on the limit column 403, and the tension generated by the upper spring 406 of the extrusion column 405 can effectively allow the extrusion column 405 to squeeze the auxiliary block 410 in the limit column 403, and then lubricate the arc surface of the screw body 1 through the ball 404, so that the screw body 1 can be effectively and conveniently operated for a long time. In the process of lubricating the arc surface of the entire screw body 1, the position of the scraper 409 is squeezed by the tension generated by the tension spring 408 on the connecting plate 402 , so that the scraper 409 can effectively clean the dirt on the screw body 1, which is convenient for better lubrication. In the process of operating the tension spring 408, in order to prevent the tension spring 408 from deforming, the telescopic rod 407 on the inner wall of the tension spring 408 is used for effective protection operation. The scraper 409 with an arc-shaped cross section can conveniently and effectively clean the dirt on the screw body 1, thereby facilitating the operation of the screw body 1. By operating the adjusting device 4, the arc surface of the screw is lubricated, and the bearing frame 401 slidably connected to the sliding frame 2 is used. , pour the lubricant 3 into the bearing frame 401, and then slide between the bearing frame 401, the extrusion column 405 and the limit column 403 to allow the lubricant to soak the sponge auxiliary block 410, and allow the auxiliary block 410 to apply the lubricant 3 to the ball 404 on the limit column 403, and the tension generated by the upper spring 406 of the extrusion column 405 can effectively allow the extrusion column 405 to squeeze the auxiliary block 410 in the limit column 403, and then lubricate the arc surface of the screw body 1 through the ball 404, so that the screw body 1 can be effectively and conveniently operated for a long time.

[0036] When the lubricant 3 on the sliding frame 2 is operated and used, in order to facilitate the fixing and limiting of the lubricant 3, the support frame 51 on the sliding frame 2 is fixed, and the lubricant 3 is squeezed and fixed by the rotating shaft 52 on the support frame 51, and the lubricant in the lubricant 3 is transported to the bearing frame 401 through the connecting pipe 53 to lubricate the screw rod. When the entire lubricant 3 is squeezed and limited by the rotating shaft 52, the protective pad 55 on the rotating shaft 52 can effectively perform operation protection to avoid excessive squeezing. When the rotating shaft 52 is rotated, the friction can be increased by the friction groove 54, so that the rotating shaft 52 can be effectively and conveniently operated and used. By operating the auxiliary device 5, the lubricant 3 is fixed and limited. At this time, the support frame 51 on the sliding frame 2 is fixed, and the lubricant 3 is squeezed and fixed by the rotating shaft 52 on the support frame 51. The lubricant 3 is then transported to the bearing frame 401 through the connecting pipe 53 to lubricate the screw rod.

[0037] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A screw rod lubrication structure, characterized in that: include: A screw rod body (1), a sliding frame (2) being installed on the arc surface of the screw rod body (1), and a lubricant (3) being installed on the surface of the sliding frame (2); An adjusting device (4), wherein the adjusting device (4) is mounted on the surface of the sliding frame (2), and the adjusting device (4) comprises a bearing frame (401), wherein the surface of the bearing frame (401) is slidably connected to the arc surface of the sliding frame (2), wherein the bottom surface of the bearing frame (401) is fixedly connected with three extrusion columns (405), wherein the arc surfaces of the three extrusion columns (405) are all slidably connected to a limiting column (403), wherein the bottom end of the limiting column (403) is slidably connected with a ball (404), wherein the arc surface of the ball (404) is slidably connected to a thread on the screw body (1), wherein the inner wall of the limiting column (403) is fixedly connected with an auxiliary block (410), wherein the auxiliary block (410) is a sponge block, wherein the arc surface of the extrusion column (405) is sleeved with a spring (406), wherein the two ends of the spring (406) are respectively fixedly connected to the limiting column (403) and the bearing frame (401); An auxiliary device (5), wherein the auxiliary device (5) is installed on the arc surface of the sliding frame (2).

2. A screw rod lubrication structure according to claim 1, characterized in that: The sliding frame (2) is slidably connected to a connecting plate (402) on a circular arc surface on one side away from the supporting frame (401); two tension springs (408) are fixedly connected to the bottom surface of the connecting plate (402); one end of the two tension springs (408) is fixedly connected to a scraper (409); the surface of the scraper (409) is in contact with the circular arc surface of the screw rod body (1).

3. A screw rod lubrication structure according to claim 2, characterized in that: The inner wall of the tension spring (408) is slidably connected to a telescopic rod (407), and two ends of the telescopic rod (407) are fixedly connected to the scraper (409) and the connecting plate (402) respectively.

4. A screw rod lubrication structure according to claim 2, characterized in that: The scraper (409) has an arc-shaped cross section, and the cross-sectional dimensions of the scraper (409) are compatible with the dimensions of the thread groove on the arc surface of the screw rod body (1).

5. A screw rod lubrication structure according to claim 1, characterized in that: The auxiliary device (5) comprises a support frame (51), the bottom end of the support frame (51) is fixedly connected to the arc surface of the sliding frame (2), a rotating shaft (52) is threadedly penetrated on both sides of the arc surface of the support frame (51), one end of the rotating shaft (52) is in contact with the surface of the lubricant (3), the upper end of the lubricant (3) is fixedly connected to a connecting pipe (53), one end of the connecting pipe (53) is fixedly connected to a sealing ring (56), and the arc surface of the sealing ring (56) is slidably connected to the side wall of the supporting frame (401).

6. A screw rod lubrication structure according to claim 5, characterized in that: One end of the rotating shaft (52) close to the lubricant (3) is rotatably connected to a protective pad (55), and the surface of the protective pad (55) abuts against the surface of the lubricant (3).

7. A screw rod lubrication structure according to claim 5, characterized in that: The arc surface of the rotating shaft (52) is provided with a plurality of friction grooves (54), and the plurality of friction grooves (54) are evenly distributed on the arc surface of the rotating shaft (52).