CN213411262U - Screw differential auxiliary supporting device - Google Patents
Screw differential auxiliary supporting device Download PDFInfo
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- CN213411262U CN213411262U CN202022260412.2U CN202022260412U CN213411262U CN 213411262 U CN213411262 U CN 213411262U CN 202022260412 U CN202022260412 U CN 202022260412U CN 213411262 U CN213411262 U CN 213411262U
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- screw
- belt
- lead screw
- sliding support
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Abstract
The utility model discloses a lead screw differential auxiliary stay device, include: base, lead screw, sliding support seat and belt, be provided with the screw on the lead screw, two sliding support seat covers establish on the lead screw and lie in the screw both sides, are provided with the connecting rod between two sliding support seats, one side of sliding support seat is provided with the belt pulley respectively, the belt sets up on two sliding support seat's belt pulley, be provided with the first fixed block that is connected with the belt on the base, be provided with the second fixed block that corresponds with the screw on the belt, the screw directly links to each other and synchronous motion with the second fixed block indirectly, and simultaneously, sliding support seat is differential removal under the belt effect. In this way, lead screw differential auxiliary supporting device, carry out the support of lead screw through the sliding support seat to adopt the belt to carry out the differential removal of sliding support seat, can ensure driven stability, can not additionally prolong the length of lead screw again.
Description
Technical Field
The utility model relates to a mechanical transmission equipment field especially relates to a screw differential auxiliary stay device.
Background
The screw transmission has high precision and wide application range, but is not suitable for long-stroke transmission because of no better auxiliary supporting structure. At present, most long-stroke transmission structures abandon a lead screw transmission scheme, and a linear motor with higher cost or a gear rack structure with lower precision is selected.
In order to realize the long-stroke transmission of the screw rod, an auxiliary supporting component can be additionally arranged to improve the stability of the screw rod, and the auxiliary supporting component is divided into a movable auxiliary supporting component and a fixed auxiliary supporting component. The part of the screw transmission structure with the movable auxiliary supporting component completes the following movement of the auxiliary supporting component through the impact of the movable component on the auxiliary supporting component, so that the impact problem exists, the service life is reduced, and the length of a screw needs to be prolonged or the moving stroke of a nut needs to be limited when the auxiliary supporting component is fixed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a lead screw differential auxiliary stay device, promotes transmission stability, avoids additionally prolonging the length of lead screw.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a lead screw differential auxiliary supporting device, including: base, lead screw, slip supporting seat and belt, the lead screw sets up on the base, be provided with the screw on the lead screw, two slip supporting seat cover establish on the lead screw and lie in the screw both sides, are provided with the connecting rod between two slip supporting seats, one side of slip supporting seat is provided with the belt pulley respectively, the belt sets up on the belt pulley of two slip supporting seats, be provided with the first fixed block that is connected with the belt on the base, be provided with the second fixed block that corresponds with the screw on the belt, the screw directly links to each other and synchronous motion with the second fixed block indirectly, and simultaneously, the slip supporting seat is differential removal under the belt effect.
In a preferred embodiment of the present invention, the base is provided with a fixed support seat at both ends of the screw, and the sliding support seat and the fixed support seat are respectively provided with a bearing corresponding to the screw.
In a preferred embodiment of the present invention, the base is provided with a guide rail located below the sliding support seat, and the bottom of the sliding support seat is provided with a slider located on the guide rail.
In a preferred embodiment of the present invention, the belt is a synchronous belt, and the belt pulley is a synchronous pulley.
In a preferred embodiment of the present invention, the moving speed of the sliding support seat is half of the moving speed of the nut.
In a preferred embodiment of the present invention, when the sliding support moves to be close to the fixed support of the corresponding end, the nut is close to the corresponding sliding support but does not contact the fixed support.
The utility model has the advantages that: the utility model provides a lead screw differential auxiliary stay device carries out the support of lead screw through the sliding support seat to adopt the belt to carry out the differential removal of sliding support seat, can ensure driven stability, can not additionally prolong the length of lead screw again, be favorable to promoting the safe rotational speed of lead screw, thereby promote the work efficiency of moving part, be applicable to lathe and other needs driven equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of the screw differential auxiliary supporting device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention includes:
the screw differential auxiliary supporting device shown in fig. 1 comprises: base 11, lead screw 3, sliding support seat 1 and belt 9, lead screw 3 sets up on base 11, is provided with the fixed bolster 10 that is located lead screw 3 both ends on the base 11, supports lead screw 3's rotation. The screw rod 3 is provided with a nut 12, the nut 12 is driven to move by the rotation of the screw rod 3, and the nut 12 is usually connected with a moving part and can drive the reciprocating linear motion of the moving part.
In this embodiment, two sliding support seats 1 are sleeved on the lead screw 3 and located on two sides of the nut 12, and bearings 7 corresponding to the lead screw 3 are respectively arranged in the sliding support seats 1 and the fixed support seat 10 to support the lead screw 3 in a rotating rolling manner, so that the lead screw 3 is prevented from deforming due to self weight, and the safe rotating speed and the working stability of the lead screw 3 are improved.
A connecting rod 8 is arranged between the two sliding supporting seats 1, so that the two sliding supporting seats 1 move synchronously. In this embodiment, the base 11 is provided with a guide rail 4 located below the sliding support seat 1, and the bottom of the sliding support seat 1 is provided with a slider located on the guide rail 4, so as to avoid the sliding support seat 1 from shaking.
One side of the sliding support seat 1 is respectively provided with a belt pulley 2, and a belt 9 is arranged on the belt pulleys 2 of the two sliding support seats 1 to perform linkage of the two sliding support seats 1. In this embodiment, the belt 9 is a synchronous belt, and the belt pulley 2 is a synchronous belt pulley, so as to avoid the slipping problem.
As shown in fig. 1, a first fixing block 6 connected to the belt 9 is disposed on the base 11, and the first fixing block 6 may be clamped at a lower portion of the belt 9. Be provided with the second fixed block 5 that corresponds with screw 12 on the belt 9, second fixed block 5 adopts the screw centre gripping on belt 9 upper portion, in this embodiment, screw 12 links to each other and synchronous motion with second fixed block 5 directly or indirectly, and simultaneously, sliding support 1 is made differential movement under the effect of belt 9, and sliding support 1's moving speed is half of screw 12 moving speed, this kind of differential motion, when making sliding support 1 remove and be close to the fixed bolster 10 that corresponds the end, screw 12 is close to and corresponds sliding support 1 but contactless, the striking problem has been avoided, the noise of operation has been reduced.
In this embodiment, the nut 12 may be directly connected and fixed to the second fixing block 5, or indirectly connected to the second fixing block 5 through a moving member mounted on the nut 12, so that the nut 12 and the second fixing block 5 move in synchronization.
To sum up, the utility model provides a lead screw differential auxiliary supporting device through the cooperation of belt and sliding support seat for sliding support seat carries out the differential auxiliary supporting of lead screw, has promoted the operating stability, has avoided the striking problem, need not to carry out the extra extension of lead screw again, reduces the space that the installation occupy.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.
Claims (6)
1. The utility model provides a lead screw differential auxiliary stay device which characterized in that includes: base, lead screw, slip supporting seat and belt, the lead screw sets up on the base, be provided with the screw on the lead screw, two slip supporting seat cover establish on the lead screw and lie in the screw both sides, are provided with the connecting rod between two slip supporting seats, one side of slip supporting seat is provided with the belt pulley respectively, the belt sets up on the belt pulley of two slip supporting seats, be provided with the first fixed block that is connected with the belt on the base, be provided with the second fixed block that corresponds with the screw on the belt, the screw directly links to each other and synchronous motion with the second fixed block indirectly, and simultaneously, the slip supporting seat is differential removal under the belt effect.
2. The screw differential auxiliary supporting device as claimed in claim 1, wherein the base is provided with a fixed supporting seat at two ends of the screw, and the sliding supporting seat and the fixed supporting seat are respectively provided with a bearing corresponding to the screw.
3. The screw differential auxiliary supporting device as claimed in claim 1, wherein the base is provided with a guide rail below the slide support base, and the bottom of the slide support base is provided with a slide block on the guide rail.
4. The lead screw differential auxiliary support device of claim 1, wherein the belt is a synchronous belt and the pulley is a synchronous pulley.
5. The screw differential auxiliary support device according to claim 1, wherein the moving speed of the slide bearing is half of the moving speed of the nut.
6. The screw differential auxiliary supporting device as claimed in claim 2, wherein the nut is close to but not in contact with the corresponding slide bearing when the slide bearing moves to be close to the fixed bearing at the corresponding end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022260412.2U CN213411262U (en) | 2020-10-13 | 2020-10-13 | Screw differential auxiliary supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022260412.2U CN213411262U (en) | 2020-10-13 | 2020-10-13 | Screw differential auxiliary supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213411262U true CN213411262U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022260412.2U Active CN213411262U (en) | 2020-10-13 | 2020-10-13 | Screw differential auxiliary supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213411262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226572A (en) * | 2023-09-22 | 2023-12-15 | 安徽新诺精工股份有限公司 | Long stroke transmission middle supporting structure of numerically-controlled machine tool ball screw |
-
2020
- 2020-10-13 CN CN202022260412.2U patent/CN213411262U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226572A (en) * | 2023-09-22 | 2023-12-15 | 安徽新诺精工股份有限公司 | Long stroke transmission middle supporting structure of numerically-controlled machine tool ball screw |
| CN117226572B (en) * | 2023-09-22 | 2024-04-30 | 安徽卓朴智能装备股份有限公司 | Long stroke transmission middle supporting structure of numerically-controlled machine tool ball screw |
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