CN220890975U - Overlength lead screw module with supporting device - Google Patents
Overlength lead screw module with supporting device Download PDFInfo
- Publication number
- CN220890975U CN220890975U CN202322921915.3U CN202322921915U CN220890975U CN 220890975 U CN220890975 U CN 220890975U CN 202322921915 U CN202322921915 U CN 202322921915U CN 220890975 U CN220890975 U CN 220890975U
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- sliding
- sliding support
- support block
- ball screw
- module
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- 238000009434 installation Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model relates to the field of machinery, in particular to a screw rod module. The utility model provides a possess strutting arrangement's overlength lead screw module, includes the lead screw module body, and the lead screw module body includes module installation casing, is equipped with ball screw in the module installation casing, is equipped with ball nut on the ball screw, and the bottom of module installation casing is equipped with the slide rail, is equipped with sliding support piece on the slide rail, sliding support piece and slide rail sliding connection are equipped with the supporting groove on the sliding support piece, and the top of supporting groove is equipped with the upper cover. The utility model has simple structure and stable operation, the ball screw can be divided into a plurality of parts by the sliding rail and the sliding supporting blocks through the matching work of the sliding rail and the sliding supporting blocks, the length-diameter ratio of the ball screw is ensured to be in an effective range, the downwarping of the ball screw is overcome, the realization of the high-speed movement of the ultra-long ball screw is facilitated, and the utility model has the advantages of high speed, large travel, large load, low noise and the like.
Description
Technical Field
The utility model relates to the field of machinery, in particular to a screw rod module.
Background
Most of precision screw rod modules are driven by adopting ball screws, the precision can reach +/-0.01 mm, but the use of the ball screws is limited to a certain extent, and the ball screws belong to long shaft type parts and are limited by the ratio of the shaft length to the shaft diameter, namely the length-diameter ratio, particularly when the ratio of the length of the ball screws to the diameter is more than 80: when 1, can cause ball screw self downwarping great for the lead screw module can take place great shake under the circumstances of operation, influence the functioning speed and the load capacity of lead screw module, cause the lead screw module to be unable normal use.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of utility model
The utility model aims to provide an ultra-long screw rod module with a supporting device so as to solve at least one technical problem.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides an overlength lead screw module that possesses strutting arrangement, includes the lead screw module body, the lead screw module body includes the motor cover, sets up the module installation casing in the motor cover left side, be equipped with servo motor in the motor cover, be equipped with ball screw in the module installation casing, servo motor's pivot with link to each other through the shaft coupling between the ball screw, be equipped with ball nut on the ball screw, its characterized in that, the bottom of module installation casing is equipped with the same slide rail of ball screw length direction;
The sliding support block is connected with the sliding rail in a sliding way, a support groove for bearing the ball screw is formed in the sliding support block, and an upper cover for limiting the ball screw is arranged above the support groove;
The sliding support blocks comprise a first sliding support block, a second sliding support block, a third sliding support block and a fourth sliding support block, wherein the first sliding support block, the second sliding support block, the third sliding support block and the fourth sliding support block are sequentially arranged from left to right, the first sliding support block is connected with the third sliding support block through a first steel wire, and the second sliding support block is connected with the fourth sliding support block through a second steel wire.
The depth of the supporting groove gradually increases from two sides to the middle.
The longitudinal section of the upper cover is arc-shaped. One side part of the upper cover is fixed to the sliding support block through a first bolt, the other side part of the upper cover is fixed to the sliding support block through a second bolt, and a long-strip-shaped bolt hole used for penetrating through the second bolt is formed in the upper cover.
Both side parts of the first steel wire are bent and are respectively pressed and fixed on the first sliding supporting block and the third sliding supporting block through screws;
both sides of the second steel wire are bent, and are respectively pressed and fixed on the second sliding supporting block and the fourth sliding supporting block through screws.
The sliding rail is provided with a sliding groove, and the lower part of the sliding support block is provided with a bulge matched with the sliding groove.
The utility model provides the ultra-long screw rod module with the supporting device, which has the advantages of simple structure, stable operation, high speed, large travel, large load, low noise and the like, and the plurality of sliding supporting blocks can divide the ball screw rod into a plurality of parts through the cooperation of the sliding rail, the length-diameter ratio of the ball screw rod is ensured to be in an effective range, the deflection of the ball screw rod is overcome, and the ultra-long screw rod module is beneficial to realizing the high-speed movement of the ultra-long ball screw rod.
Drawings
FIG. 1 is a schematic cross-sectional view of a portion of the structure of the present utility model;
FIG. 2 is a top view of a portion of the structure of the present utility model;
FIG. 3 is a schematic view of a portion of a first sliding support block according to the present utility model;
FIG. 4 is a partial structural bottom view of the first sliding support block of the present utility model;
FIG. 5 is a side view of a portion of the structure at a first sliding support block of the present utility model;
Fig. 6 is a schematic longitudinal section of a part of the structure of the present utility model.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
As shown in fig. 1 to 6, an ultra-long screw module with a supporting device comprises a screw module body, wherein the screw module body comprises a motor cover 1 and a module installation shell 15 arranged on the left side of the motor cover 1, a servo motor 2 is arranged in the motor cover 1, a ball screw 6 is arranged in the module installation shell 15, a rotating shaft of the servo motor 2 is connected with the ball screw 6 through a coupler 4, a ball nut 7 is arranged on the ball screw 6, and a sliding rail 10 which is the same as the ball screw 6 in length direction is arranged at the bottom of the module installation shell 15; the sliding rail 10 is provided with a sliding support block which is in sliding connection with the sliding rail 10, the sliding support block is provided with a support groove 18 for bearing the ball screw 6, and an upper cover 19 for limiting the ball screw 6 is arranged above the support groove 18; the sliding support blocks comprise a first sliding support block 11, a second sliding support block 12, a third sliding support block 13 and a fourth sliding support block 14, wherein the first sliding support block 11, the second sliding support block 12, the third sliding support block 13 and the fourth sliding support block 14 are sequentially arranged from left to right, the first sliding support block 11 is connected with the third sliding support block 13 through a first steel wire 16, and the second sliding support block 12 is connected with the fourth sliding support block 14 through a second steel wire. The utility model provides the ultra-long screw rod module with the supporting device, which has the advantages of simple structure and stable operation, the ball screw rod 6 can be divided into a plurality of parts by the sliding rail 10 and the sliding supporting blocks through the cooperation of the sliding rail 10 and the sliding supporting blocks, the length-diameter ratio of the ball screw rod 6 is ensured to be in an effective range, the deflection of the ball screw rod 6 is overcome, the realization of the high-speed movement of the ultra-long ball screw rod 6 is facilitated, and the ultra-long screw rod module has the advantages of high speed, large stroke, large load, low noise and the like.
In order to ensure the operation effect of the screw rod module, a motor mounting plate 3 is arranged in the motor cover 1, and the servo motor 2 is fixed on the motor mounting plate 3. A fixed end supporting plate is arranged in the module installation shell 15 close to the coupler 4, a first installation hole is formed in the fixed end supporting plate, and a first bearing 5 connected with the ball screw 6 is arranged at the first installation hole; the rear cover plate 8 is arranged at the tail part of the module installation shell 15, a second installation hole is arranged on the rear cover plate 8, and a second bearing 9 connected with the ball screw 6 is arranged at the second installation hole.
The depth of the support groove 18 increases gradually from both sides to the middle so that the support groove 18 is V-shaped to carry the ball screw 6.
The longitudinal section of the upper cover 19 is arc-shaped. One side part of the upper cover 19 is fixed on the sliding support block through a first bolt, the other side part of the upper cover 19 is fixed on the sliding support block through a second bolt, a bolt hole 17 which penetrates through the second bolt and is in a strip shape is formed in the upper cover 19, the position of the second bolt screwed in the bolt hole 17 is adjusted, the adjustment of the interval between the upper cover 19 and the sliding support block is achieved, and then the ball screw 6 with different diameters can be adapted.
Both side parts of the first steel wire 16 are bent, and are respectively pressed and fastened on the first sliding supporting block 11 and the third sliding supporting block 13 through screws; both side parts of the second steel wire are bent and respectively pressed and fastened on the second sliding support block 12 and the fourth sliding support block 14 through screws so that the first sliding support block 11 and the third sliding support block 13 are connected through the first steel wire 16, and the second sliding support block 12 and the fourth sliding support block 14 are connected through the second steel wire.
The sliding rail 10 is provided with a sliding groove, and the lower part of the sliding support block is provided with a protrusion matched with the sliding groove so as to realize the sliding connection between the sliding support block and the sliding rail 10. In order to conveniently arrange the first steel wire 16 or the second steel wire, the bottom of the chute is provided with a strip-shaped groove for placing the first steel wire 16 or the second steel wire.
When the design is used, four sliding support blocks are arranged in the module installation shell 15 and used for supporting the ball screw 6 in the module installation shell 15, so as to prevent the ball screw 6 from being scratched; the supporting groove 18 on the sliding supporting block adopts a V-shaped structure design, has a certain adjusting effect on the outer diameters of the ball screw 6 in different ranges, the first sliding supporting block 11 in the four sliding supporting blocks is linked with the third sliding supporting block 13, the second sliding supporting block 12 is linked with the fourth sliding supporting block 14 so as to be convenient for carrying out repeated movement together with the ball nut 7 on the ball screw 6, and the ultra-long ball screw 6 is divided into a plurality of parts so as to be convenient for controlling the length-diameter ratio of the ball screw 6 of each part to be in an effective range; when the ball nut 7 runs in the direction of the servo motor 2, the ball nut runs until touching the second sliding support block 12, so that the second sliding support block 12 and the fourth sliding support block 14 move along with the nut, until the second sliding support block 12 and the first sliding support block 11 contact, the four sliding support blocks run along with the nut in the direction of the servo motor 2 at the same time, until the limit position of the servo motor 2 in the screw rod module stops, and vice versa, when the ball nut 7 runs in the opposite direction of the motor, the ball nut firstly contacts the third sliding support block 13, the third sliding support block 13 and the first sliding support block 11 run first until contacting the fourth sliding support block 14, the four sliding support blocks run to the other limit position of the screw rod module at the same time, so that the four sliding support blocks run repeatedly along with the ball nut 7 in the screw rod module, and the four sliding support blocks move along with the sliding table outside the mounting shell 15 of the module, the ball screw rod 6 is always ensured to be in an effective range in the length-diameter ratio between the two sliding support blocks, for example, the length-diameter ratio can be ensured to be smaller than 60:1, and the screw rod can be lifted, and the screw rod can have the effect of reducing the load and the screw rod can be lifted; the distance between the sliding support blocks can be adjusted by adjusting the length of the first steel wire 16 or the second steel wire, and the smaller the diameter, the smaller the length-diameter ratio of the ball screw 6 is, for example: the aspect ratio required by the ball screw 6 with the diameter below 12mm is about 40:1, and the smaller the distance between the two sliding supporting blocks is required; conversely, the larger the diameter the larger the aspect ratio required for the ball screw 6, e.g., the larger the distance between the two sliding support blocks required, the larger the aspect ratio required for the ball screw 6 with a diameter of 80mm or more, e.g., the aspect ratio required for the ball screw 6 with a diameter of about 80:1; the aspect ratio required for a ball screw 6 with a diameter of between 12mm and 80mm is guaranteed to be around 60:1.
Finally, it should be noted that: the present utility model is not limited to the preferred embodiments, but can be modified or substituted for some of the technical features described in the above embodiments by those skilled in the art, although the present utility model has been described in detail with reference to the above embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides an overlength lead screw module that possesses strutting arrangement, includes the lead screw module body, the lead screw module body includes the motor cover, sets up the module installation casing in the motor cover left side, be equipped with servo motor in the motor cover, be equipped with ball screw in the module installation casing, servo motor's pivot with link to each other through the shaft coupling between the ball screw, be equipped with ball nut on the ball screw, its characterized in that, the bottom of module installation casing is equipped with the same slide rail of ball screw length direction;
The sliding support block is connected with the sliding rail in a sliding way, a support groove for bearing the ball screw is formed in the sliding support block, and an upper cover for limiting the ball screw is arranged above the support groove;
The sliding support blocks comprise a first sliding support block, a second sliding support block, a third sliding support block and a fourth sliding support block, wherein the first sliding support block, the second sliding support block, the third sliding support block and the fourth sliding support block are sequentially arranged from left to right, the first sliding support block is connected with the third sliding support block through a first steel wire, and the second sliding support block is connected with the fourth sliding support block through a second steel wire.
2. An ultra-long screw module having a supporting device as claimed in claim 1, wherein the depth of the supporting groove is gradually increased from both sides to the middle.
3. An ultra-long lead screw module with a supporting device as claimed in claim 1, wherein the longitudinal section of the upper cover is arc-shaped.
4. An ultra-long screw module having a supporting device according to claim 1 or 3, wherein one side portion of the upper cover is fixed to the sliding support block by a first bolt, the other side portion of the upper cover is fixed to the sliding support block by a second bolt, and the upper cover is provided with a bolt hole penetrating the second bolt and having a long strip shape.
5. The ultra-long screw module with the supporting device according to claim 1, wherein both side parts of the first steel wire are bent and respectively pressed and fixed on the first sliding supporting block and the third sliding supporting block through screws;
both sides of the second steel wire are bent, and are respectively pressed and fixed on the second sliding supporting block and the fourth sliding supporting block through screws.
6. An ultra-long screw module with a supporting device as claimed in claim 1, wherein the sliding rail is provided with a sliding groove, and the lower part of the sliding supporting block is provided with a protrusion matched with the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322921915.3U CN220890975U (en) | 2023-10-30 | 2023-10-30 | Overlength lead screw module with supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322921915.3U CN220890975U (en) | 2023-10-30 | 2023-10-30 | Overlength lead screw module with supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890975U true CN220890975U (en) | 2024-05-03 |
Family
ID=90836388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322921915.3U Active CN220890975U (en) | 2023-10-30 | 2023-10-30 | Overlength lead screw module with supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890975U (en) |
-
2023
- 2023-10-30 CN CN202322921915.3U patent/CN220890975U/en active Active
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| GR01 | Patent grant |