CN217814830U - High-precision ball type lead screw lifter - Google Patents
High-precision ball type lead screw lifter Download PDFInfo
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- CN217814830U CN217814830U CN202221976355.0U CN202221976355U CN217814830U CN 217814830 U CN217814830 U CN 217814830U CN 202221976355 U CN202221976355 U CN 202221976355U CN 217814830 U CN217814830 U CN 217814830U
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Abstract
The utility model relates to a lift technical field's a high-accuracy ball formula lead screw lift, including the organism shell, the middle part of organism shell inner chamber is from last to rotating respectively down and being connected with ball pair and worm wheel, and the slide has been seted up to ball pair inner chamber surface, and ball pair inner chamber middle part is equipped with ball, rolls between ball spout and the slide and has many steel balls, and many steel ball surface swing joint have the steel ball support. The steel ball support can limit the steel balls, prevents the steel balls from jumping easily, causes abnormal abrasion of the steel balls, prevents the damage of the elevator, greatly improves the precision of the elevator, and the upper limit block and the lower limit block which are arranged can fix the steel ball support, prevents the steel balls from jumping due to irregular deviation.
Description
Technical Field
The utility model relates to a lift technical field especially relates to a high-accuracy ball formula lead screw lift.
Background
The granted publication number cn201820356295.x is a high-speed screw rod elevator, which comprises an elevator body, a worm body and a side mounting seat, wherein the elevator body is fixedly connected with the worm body, a ball screw and a worm wheel are arranged in the elevator body, the ball screw penetrates through the elevator body and penetrates through a rotating shaft of the worm wheel in the elevator body, a worm is arranged in the worm body, the worm penetrates through the worm body, the worm is meshed with the worm wheel, and the side mounting seat is arranged on one side, away from the worm body, of the elevator body; the upper side and the lower side of the elevator body are symmetrically provided with side mounting seats, however, a high-precision ball type screw rod elevator on the market still has various defects and cannot meet the production requirement.
When the existing ball screw elevator is used, the balls arranged inside the existing ball screw elevator are not provided with related limiting devices, when the ball screw works, the balls are easy to bounce, abnormal abrasion of the balls is caused, the elevator is damaged, and the accuracy of the elevator is reduced.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model discloses in order to solve and to provide a high accuracy ball formula lead screw lift in the above-mentioned background art, the ball takes place to beat easily, leads to the ball to wear and tear unusually to lead to the lift to damage, reduced the purpose of the precision of lift.
The technical scheme of the utility model is that:
the utility model provides a high-accuracy ball formula lead screw lift, includes the organism shell, the middle part of organism shell inner chamber is from last to rotating respectively down and being connected with ball vice and worm wheel, the slide has been seted up to ball vice inner chamber surface, ball vice inner chamber middle part is equipped with ball, it has many steel balls, many to roll between ball spout and the slide the steel ball surface swing joint has the steel ball support.
The working principle of the technical scheme is as follows:
the worm rotates through the worm wheel to drive the ball screw pair to rotate in the machine body shell, the upper limiting block and the lower limiting block drive the steel ball support and the steel balls to roll in the ball screw chute, the arranged steel ball support can limit the steel balls, the steel balls are prevented from jumping easily, and the upper limiting block and the lower limiting block can fix the steel ball support.
In a further technical scheme, one end of the inner surface of the slide way is fixedly connected with an upper limiting block, and the other end of the inner surface of the slide way is fixedly connected with a lower limiting block.
The upper limiting block and the lower limiting block can fix two ends of the steel ball support, and prevent the steel ball from jumping and causing abrasion due to irregular deviation of the steel ball support during working, so that the precision of the elevator is reduced.
In a further technical scheme, two ends of the steel ball support are respectively clamped with the upper limiting block and the lower limiting block, the steel ball support is in a bar shape, a plurality of through holes are formed in the surface of the bar shape, and the steel balls are located on the inner surface of the through holes.
The steel ball support that sets up can restrict the steel ball, prevents that the steel ball from taking place to beat easily, leads to the abnormal wear of steel ball, prevents that the lift from damaging, has improved the precision of lift greatly.
In a further technical scheme, one side of the machine body shell is rotatably connected with a worm, and the worm is meshed with the worm wheel.
The power source is connected with the worm, the worm rotates to drive the worm wheel to rotate, and the worm wheel drives the ball screw pair to rotate in the machine shell.
In a further technical scheme, one end of the worm is fixedly connected with a bearing inner ring, an oil seal is fixedly inserted into the far end of the worm, and the outer surface of the bearing inner ring and the outer surface of the oil seal are fixedly connected with the machine shell.
The oil blanket that sets up prevents that casing fluid from leaking, leads to the inside lack of oil of device, causes wearing and tearing, and the bearing that sets up can make the more smooth of worm rotation.
In a further technical scheme, an opening at the upper end of the ball screw pair is fixedly connected with a thrust bearing, an opening at the upper end of the machine shell is provided with a guide sleeve, and the ball screw penetrates through an inner ring and the guide sleeve of the thrust bearing.
The thrust bearing is used for bearing axial and radial combined loads mainly comprising axial loads, the bearing is low in friction factor, high in rotating speed and capable of aligning, the guide sleeve is arranged to ensure that no side force is applied to the ball screw, and the running direction of the guide device must be the same as the moving direction of the ball screw.
The utility model has the advantages that:
1. the plurality of steel balls are limited by the arranged steel ball support, so that the steel balls are prevented from jumping when rolling to cause abnormal abrasion of the steel balls, the elevator is prevented from being damaged, and the precision of the elevator is improved;
2. the steel ball support body is fixed through the upper limit block and the lower limit block, irregular deviation of the steel ball support during working is prevented, steel balls are prevented from jumping, abrasion is caused, and the accuracy of the device is greatly improved.
Drawings
Fig. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the worm gear and worm position of the present invention;
FIG. 3 is a schematic sectional view of the ball screw assembly of the present invention;
fig. 4 is a schematic structural view of the steel ball bracket of the present invention.
Description of reference numerals:
1. a body case; 2. a guide sleeve; 3. a ball screw; 4. a worm; 5. oil sealing; 6. a thrust bearing; 7. a ball screw pair; 8. a worm gear; 9. a bearing; 10. an upper limit block; 11. steel balls; 12. a slideway; 13. a lower limiting block; 14. and (5) a steel ball support.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example 1:
as shown in fig. 1-4, the utility model provides a high-accuracy ball formula lead screw lift, including body shell 1, the middle part of the 1 inner chamber of body shell rotates respectively from last to being connected with ball 7 and worm wheel 8 down, and slide 12 has been seted up to the 7 inner chamber surfaces of ball, and the 7 inner chamber middle parts of ball are equipped with ball 3, and it has many steel balls 11 to roll between 3 spouts of ball and the slide 12, and 11 surperficial swing joints of many steel balls have steel ball support 14.
Specifically, one end of the inner surface of the slide 12 is fixedly connected with an upper limiting block 10, the other end of the inner surface of the slide 12 is fixedly connected with a lower limiting block 13, two ends of a steel ball support 14 are respectively connected with the upper limiting block 10 and the lower limiting block 13 in a clamping manner, the steel ball support 14 is in a bar shape, a plurality of through holes are formed in the surface of the bar shape, steel balls 11 are located on the inner surface of the through holes, one side of the machine body shell 1 is rotatably connected with a worm 4, the worm 4 is meshed with a worm wheel 8, one end of the worm 4 is fixedly connected with an inner ring of a bearing 9, an oil seal 5 is fixedly inserted at the far end of the worm 4, an outer ring of the bearing 9, the outer surface of the oil seal 5 is fixedly connected with the machine body shell 1, an upper end opening of a ball screw pair 7 is fixedly connected with a thrust bearing 6, an upper end opening of the machine body shell 1 is provided with a guide sleeve 2, the ball screw 3 penetrates through the inner ring of the thrust bearing 6 and the guide sleeve 2, and the upper end of the worm wheel 8 is fixedly connected with the lower end of the ball screw pair 7.
The working principle and the beneficial effects of the embodiment are achieved.
The power source is connected with the worm 4, the worm 4 rotates to drive the worm wheel 8 to rotate, the worm wheel 8 drives the ball screw pair 7 to rotate in the machine body shell 1, the ball screw pair 7 drives the steel ball support 14 and the steel ball 11 to roll in a chute of the ball screw 3 through the upper limiting block 10 and the lower limiting block 13, longitudinal displacement of the ball screw 3 is achieved, the steel ball 11 can be limited through the arranged steel ball support 14, the steel ball 11 is prevented from jumping easily, abnormal abrasion of the steel ball 11 is prevented, damage of the elevator is prevented, the precision of the elevator is greatly improved, the upper limiting block 10 and the lower limiting block 13 can fix the steel ball support 14, irregular deviation of the steel ball support is prevented, the steel ball 11 is prevented from jumping, the arranged thrust bearing 6 is used for bearing a shaft with an axial load as a main part and a radial combined load, the friction factor of the bearing is low, the rotating speed is high, the aligning performance is achieved, the arranged guide sleeve 2 is used for guaranteeing that no lateral force is applied to the ball screw 3, the running direction of the guide device must be the same as the moving direction of the ball screw 3, the arranged oil seal 5 is prevented from leaking, oil in the machine body shell 1, oil in the device is prevented, oil shortage in the worm device is caused, and the worm 9 can be more smooth in the rotation, and the worm device, and the rotation of the worm 4 can enable the worm to rotate.
The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. The utility model provides a high accuracy ball formula lead screw lift, includes the organism shell, its characterized in that: the machine body shell is characterized in that the middle of the inner cavity of the machine body shell is respectively and rotatably connected with a ball screw pair and a worm gear from top to bottom, a slide way is formed in the surface of the inner cavity of the ball screw pair, a ball screw is arranged in the middle of the inner cavity of the ball screw pair, a plurality of steel balls roll between a ball screw chute and the slide way, and the surface of each steel ball is movably connected with a steel ball support.
2. A high precision ball screw elevator according to claim 1, characterized in that: one end of the inner surface of the slide is fixedly connected with an upper limiting block, and the other end of the inner surface of the slide is fixedly connected with a lower limiting block.
3. A high precision ball screw elevator according to claim 1, characterized in that: the steel ball support is strip-shaped, a plurality of through holes are formed in the surface of the strip, and the steel balls are located on the inner surface of the through holes.
4. A high precision ball screw elevator according to claim 1, characterized in that: one side of the machine body shell is rotatably connected with a worm, and the worm is meshed with the worm wheel.
5. A high precision ball screw elevator according to claim 4, wherein: one end of the worm is fixedly connected with a bearing inner ring, an oil seal is fixedly inserted into the far end of the worm, and the outer surface of the bearing inner ring and the outer surface of the oil seal are fixedly connected with the engine body shell.
6. A high precision ball screw elevator according to claim 1, characterized in that: the ball screw pair is characterized in that a thrust bearing is fixedly connected to an opening at the upper end of the ball screw pair, a guide sleeve is arranged at an opening at the upper end of the machine body shell, and the ball screw penetrates through an inner ring and the guide sleeve of the thrust bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221976355.0U CN217814830U (en) | 2022-07-29 | 2022-07-29 | High-precision ball type lead screw lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221976355.0U CN217814830U (en) | 2022-07-29 | 2022-07-29 | High-precision ball type lead screw lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217814830U true CN217814830U (en) | 2022-11-15 |
Family
ID=83970999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221976355.0U Active CN217814830U (en) | 2022-07-29 | 2022-07-29 | High-precision ball type lead screw lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217814830U (en) |
-
2022
- 2022-07-29 CN CN202221976355.0U patent/CN217814830U/en active Active
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