CN220850620U - Ball screw with adjusting structure - Google Patents
Ball screw with adjusting structure Download PDFInfo
- Publication number
- CN220850620U CN220850620U CN202322781024.2U CN202322781024U CN220850620U CN 220850620 U CN220850620 U CN 220850620U CN 202322781024 U CN202322781024 U CN 202322781024U CN 220850620 U CN220850620 U CN 220850620U
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- ball
- oil
- screw
- blocking
- connecting column
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- 239000003921 oil Substances 0.000 claims abstract description 58
- 230000000903 blocking effect Effects 0.000 claims abstract description 46
- 238000005461 lubrication Methods 0.000 claims abstract description 12
- 239000010687 lubricating oil Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a ball screw with an adjusting structure, which comprises a screw rod, wherein a nut seat is sleeved on the screw rod, an oil cavity is formed in one end of the nut seat, an adjusting component is arranged in the oil cavity, and the adjusting component comprises: the blocking piece is arranged at the oil outlet hole of the oil cavity, a gap is reserved between the blocking piece and the oil outlet hole, and in lubrication, lubricating oil is discharged through the gap between the oil outlet hole and the blocking piece; the limiting piece is propped against the blocking piece and arranged at the upper end and the lower end of the blocking piece, the blocking piece comprises a blocking ball, and a ball hole passing through the center of the blocking ball is formed in the blocking ball; through the adjusting part of design, can adjust the play oil volume of lubricating oil according to ball screw rotational speed, satisfy different user demands, overall structure is simple simultaneously, conveniently adjusts and production preparation, has higher practicality and popularization, has perfected the not enough in use of current structure ball screw.
Description
Technical Field
The utility model belongs to the technical field of ball screws, and particularly relates to a ball screw with an adjusting structure.
Background
The ball screw is a transmission element most commonly used on tool machines and precision machines, and has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and simultaneously has the characteristics of high precision, reversibility and high efficiency. Ball screws are widely used in various industrial equipment and precision instruments due to their small frictional resistance.
The prior ball screw is required to ensure normal use through lubrication during operation, a lubrication ball screw and a ball screw assembly are disclosed in an publication No. CN208764263U, intermittent slow entering of lubricating oil into a lubrication cavity can be realized through the designed lubrication assembly, but the lubrication structure in the patent can not adjust the lubrication quantity of the lubricating oil according to the rotation speed of the ball screw in use, so that friction force can be increased between the screw and the ball during long-time high-load operation, or the rotation speed is low, the waste phenomenon is caused by large oil output, and the lubrication structure is fixed in the space of improvement in actual use.
Disclosure of utility model
The utility model aims to provide a ball screw with an adjusting structure, which solves the problem that the conventional ball screw provided in the background art cannot adjust the output lubricating oil amount according to the rotating speed.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take adjusting structure ball screw, includes the lead screw, the cover is equipped with the nut seat on the lead screw, the oil pocket has been seted up to the inside one end of nut seat be provided with adjusting part in the oil pocket, this adjusting part includes:
The blocking piece is arranged at the oil outlet hole of the oil cavity, a gap is reserved between the blocking piece and the oil outlet hole, and in lubrication, lubricating oil is discharged through the gap between the oil outlet hole and the blocking piece;
and the limiting piece is propped against the blocking piece and is arranged at the upper end and the lower end of the blocking piece.
Preferably, the blocking member comprises a blocking ball, a ball hole passing through the center of the blocking ball is formed in the blocking ball, a connecting column is inserted into the ball hole, and the limiting member is arranged on the connecting column.
Preferably, the limiting part comprises a spring and a clamp spring which are sleeved on the connecting column, the clamp spring is fixed at the bottom of the connecting column and supports the blocking ball, and the bottom end of the connecting column abuts against the top of the blocking ball.
Preferably, the top end of the connecting column is welded on the inner top end face of the oil cavity, the bottom end of the connecting column penetrates through the oil outlet hole of the oil cavity, and the bottom of the connecting column is not contacted with the screw rod.
Preferably, the outer surface of one end of the nut seat is provided with oil filling holes, the oil filling holes are communicated with the oil cavity, and the oil filling holes and the oil outlet holes of the oil cavity are staggered.
Preferably, a screw hole is formed in one end of the screw rod, a stud is fixed to the other end of the screw rod, and the stud on one screw rod is in threaded connection with the screw hole on the other screw rod.
Preferably, a positioning ring groove is formed in the end face of the stud towards the direction of the screw rod, and the total length of the positioning ring groove and the stud is equal to the depth of the inner side of the screw hole.
Compared with the prior art, the utility model has the beneficial effects that:
Through the adjusting part of design, can adjust the play oil volume of lubricating oil according to ball screw rotational speed, satisfy different user demands, overall structure is simple simultaneously, conveniently adjusts and production preparation, has higher practicality and popularization, has perfected the not enough in use of current structure ball screw.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of a lubrication assembly of the present utility model;
FIG. 3 is an enlarged schematic view of area A of FIG. 2 in accordance with the present utility model;
FIG. 4 is an elevation view of a stud of the present utility model.
In the figure: 100. a nut seat; 100a, oil filling holes; 100b, an oil cavity; 101. a blocking ball; 101a, ball holes; 102. a connecting column; 103. clamping springs; 104. a spring; 200. a screw rod; 200a, screw holes; 201. a stud; 201a, a positioning ring groove.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a take adjusting structure ball screw, includes lead screw 200, and the cover is equipped with along self translation's nut seat 100 on the lead screw 200, and oil pocket 100b has been seted up to the inside one end of nut seat 100, is provided with adjusting part in oil pocket 100b, and this adjusting part includes:
A blocking member provided at an oil outlet hole position of the oil chamber 100b with a gap therebetween, and in lubrication, lubricating oil is discharged through the gap between the oil outlet hole and the blocking member;
And the limiting piece is propped against the blocking piece, the position of the blocking piece is adjusted through the limiting piece, so that the gap between the blocking piece and the oil outlet of the oil cavity 100b is enlarged, lubricating oil with different amounts is discharged, and the limiting piece is arranged at the positions of the upper end and the lower end of the blocking piece.
In this embodiment, preferably, the blocking member includes a blocking ball 101, a ball hole 101a passing through the center of the blocking ball 101 is formed in the blocking ball 101, a connecting column 102 is inserted into the ball hole 101a, the blocking ball 101 can slide along the connecting column 102 to realize position adjustment, thereby completing adjustment of the distance between the blocking ball 101 and the oil outlet hole of the oil cavity 100b, as shown in the position H in fig. 3, the H represents the gap width, wherein the minimum gap is 0.3mm, and the limiting member is disposed on the connecting column 102.
In this embodiment, preferably, the limiting member includes a spring 104 and a snap spring 103 sleeved on the connecting column 102, where the snap spring 103 is fixed at the bottom of the connecting column 102 and supports the blocking ball 101, the connecting column 102 is always in a compressed shape and generates a rebound force, the bottom end of the connecting column 102 is propped against the top of the blocking ball 101 through the rebound force, and limiting of the position of the blocking ball 101 is realized through the snap spring 103 and the connecting column 102, so that quantitative lubricating oil is discharged from the H position.
In this embodiment, preferably, the top end of the connecting column 102 is welded on the top end surface of the inner portion of the oil cavity 100b, and the bottom end of the connecting column 102 penetrates through the oil outlet of the oil cavity 100b, so that the installation of the clamp spring 103 is facilitated, the operation is more convenient, the bottom of the connecting column 102 is not contacted with the screw rod 200, and the normal transmission of the screw rod 200 is prevented from being affected.
In this embodiment, preferably, the outer surface of one end of the nut seat 100 is provided with the oil filling hole 100a, the oil filling hole 100a is communicated with the oil cavity 100b, and the oil filling hole 100a and the oil outlet hole of the oil cavity 100b are staggered.
In this embodiment, preferably, a screw hole 200a is formed at one end of the screw rod 200, a stud 201 is fixed at the other end of the screw rod, and the stud 201 on one screw rod 200 is in threaded connection with the screw hole 200a on the other screw rod 200, so that the length of the screw rod 200 can be changed according to the actual use requirement, and the stability after installation can be ensured.
In this embodiment, preferably, the end surface of the stud 201 facing the direction of the screw rod 200 is provided with a positioning ring groove 201a, so that when the stud 201 is not needed, the stud 201 can be cut at fixed points, the total length of the positioning ring groove 201a and the stud 201 is equal to the depth of the inner side of the screw hole 200a, and the positioning ring groove 201a is ensured to be hidden and connected in the screw hole 200a in the process of connecting two screw rods 200.
Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a take adjusting structure ball screw, includes lead screw (200), the cover is equipped with nut seat (100) on lead screw (200), oil pocket (100 b) have been seted up to the inside one end of nut seat (100), its characterized in that: an adjustment assembly is disposed within the oil chamber (100 b), the adjustment assembly comprising:
A blocking member provided at an oil outlet hole position of the oil chamber (100 b) with a gap therebetween, and in lubrication, lubricating oil is discharged through the gap between the oil outlet hole and the blocking member;
and the limiting piece is propped against the blocking piece and is arranged at the upper end and the lower end of the blocking piece.
2. A ball screw with an adjustment structure according to claim 1, wherein: the blocking piece comprises a blocking ball (101), a ball hole (101 a) passing through the center of the blocking ball (101) is formed in the blocking ball, a connecting column (102) is inserted into the ball hole (101 a), and the limiting piece is arranged on the connecting column (102).
3. A ball screw with an adjustment structure according to claim 2, wherein: the limiting part comprises a spring (104) and a clamp spring (103) which are sleeved on the connecting column (102), the clamp spring (103) is fixed at the bottom of the connecting column (102) and supports the blocking ball (101), and the bottom end of the connecting column (102) abuts against the top of the blocking ball (101).
4. A ball screw with an adjustment structure according to claim 2, wherein: the top end of the connecting column (102) is welded on the inner top end face of the oil cavity (100 b), the bottom end of the connecting column (102) penetrates through the oil outlet hole of the oil cavity (100 b), and the bottom of the connecting column (102) is not contacted with the screw rod (200).
5. A ball screw with an adjustment mechanism as defined in claim 4, wherein: the nut seat (100) is characterized in that an oil filling hole (100 a) is formed in the outer surface of one end of the nut seat (100), the oil filling hole (100 a) is communicated with the oil cavity (100 b), and the oil filling hole (100 a) and the oil outlet hole of the oil cavity (100 b) are arranged in a staggered mode.
6. A ball screw with an adjustment structure according to claim 1, wherein: screw holes (200 a) are formed in one end of each screw rod (200), a stud (201) is fixed to the other end of each screw rod, and the stud (201) on one screw rod (200) is in threaded connection with the screw hole (200 a) on the other screw rod (200).
7. The ball screw with adjustment structure according to claim 6, wherein: and a positioning ring groove (201 a) is formed in the end face of the stud (201) facing the direction of the screw rod (200), and the total length of the positioning ring groove (201 a) and the stud (201) is equal to the depth of the inner side of the screw hole (200 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322781024.2U CN220850620U (en) | 2023-10-17 | 2023-10-17 | Ball screw with adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322781024.2U CN220850620U (en) | 2023-10-17 | 2023-10-17 | Ball screw with adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850620U true CN220850620U (en) | 2024-04-26 |
Family
ID=90787003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322781024.2U Active CN220850620U (en) | 2023-10-17 | 2023-10-17 | Ball screw with adjusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850620U (en) |
-
2023
- 2023-10-17 CN CN202322781024.2U patent/CN220850620U/en active Active
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