CN218613032U - Small-size longmen ball screw rod supporting mechanism - Google Patents
Small-size longmen ball screw rod supporting mechanism Download PDFInfo
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- CN218613032U CN218613032U CN202122991334.8U CN202122991334U CN218613032U CN 218613032 U CN218613032 U CN 218613032U CN 202122991334 U CN202122991334 U CN 202122991334U CN 218613032 U CN218613032 U CN 218613032U
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- ball screw
- rigid coupling
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Abstract
The utility model provides a small-size longmen ball screw supporting mechanism, relate to strutting arrangement technical field, include along lead screw axial direction set up side by side in a plurality of bracket of its below, rotate side by side on the bracket and install two supports and change the roller, the axis of supporting and changeing the roller and the axis parallel arrangement of lead screw, and through two regional support regions of supporting between the roller, the bracket is through dodging the subassembly and along vertical slidable mounting on the mount pad, the both ends of bracket still respectively vertical rigid coupling have the bracing piece, the rigid coupling has the slide bar between two bracing pieces, respectively downward rigid coupling has the guide-in pole on the outer wall of keeping away from mutually of two bracing pieces. The utility model provides a device among the conventional art realize supporting the lead screw through the fixed supporting seat that sets up, but because the setting of supporting seat, the removal stroke of the workstation of restriction can't realize dodging the workstation, has reduced work efficiency's problem.
Description
Technical Field
The utility model relates to a strutting arrangement technical field, concretely relates to small-size longmen ball screw rod supporting mechanism.
Background
For a machine tool with large stroke such as a gantry machining center, if a ball screw of a horizontal shaft is not supported by the screw, when the length of the screw is larger than or equal to 4 meters, the screw is influenced by factors such as temperature and gravity, the middle part of the screw has large natural sag, and when the machine tool works in such a state, the ball screw rotates at high speed to generate large vibration, so that the transmission precision and the service life of the ball screw are directly influenced, and the overall performance of the machine tool is also influenced.
The technical scheme includes that the device comprises two linear guide rails which are parallel to a lead screw and are arranged below the lead screw, sliding blocks which can slide along the linear guide rails are respectively matched on the linear guide rails, stop blocks which stop the sliding blocks are respectively fixed at the opposite ends of the two linear guide rails, a lead screw supporting portion which supports the lead screw is fixed on each sliding block, a nut seat is fixed on a lead screw nut, a permanent magnet A is fixed on each nut seat, each nut seat is located between the two sliding blocks, a permanent magnet B is respectively fixed on each sliding block, and the different poles of the permanent magnets A and the different poles of the permanent magnets B are opposite when the nut seats move to the positions above the sliding blocks.
The prior device gradually exposes the defects of the technology along with the use, and mainly shows the following aspects:
the device realizes supporting the lead screw through setting up the fixed supporting seat that sets up, but because the setting of supporting seat, the removal stroke of the workstation of restriction can't realize dodging the workstation, has reduced work efficiency.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a small-size longmen ball screw rod supporting mechanism for the device of solving among the conventional art realizes supporting the lead screw through the fixed supporting seat that sets up, but because the setting of supporting seat, the removal stroke of the workstation of restriction can't realize dodging the workstation, has reduced work efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a small-size longmen ball screw rod supporting mechanism, includes along the lead screw axial direction set up in its below a plurality of bracket side by side, rotate side by side on the bracket and install two and support and change the roller, support the axis of changeing the roller with the axis parallel arrangement of lead screw, and through two support and change regional support area between the roller, the bracket is through dodging the subassembly and along vertical slidable mounting on the mount pad, the both ends of bracket still vertical rigid coupling respectively have the bracing piece, and the rigid coupling has the slide bar between two bracing pieces, two the leading-in pole of respectively downward rigid coupling on the outer wall of keeping away from mutually of bracing piece.
As an optimized scheme, the avoiding assembly comprises a supporting plate connected with the bracket, vertically arranged sliding columns are fixedly connected below the supporting plate in parallel, and the sliding columns are slidably mounted on the mounting seat.
As an optimized scheme, a pressure spring is sleeved on the sliding column, and two ends of the pressure spring respectively abut against the supporting plate and the mounting seat.
As an optimized scheme, the lower end part of the sliding column penetrates through the mounting seat to extend to the lower part, and is fixedly connected with a limiting plate.
As an optimized scheme, the mounting seat is further provided with fixing bolts in parallel.
The bracket comprises a box shell, an opening is arranged at the upper end of the box shell, two supporting rotary rollers are rotatably arranged in the box shell, and the peripheral wall of the supporting rotary roller above the supporting rotary roller is higher than the opening of the box shell.
As an optimized proposal, the opposite end surfaces of the supporting rotary rollers arranged on the box shell are also provided with V-shaped avoiding grooves communicated with the openings.
Compared with the prior art, the beneficial effects of the utility model are that:
the screw rod is supported by the plurality of brackets arranged in parallel along the extension direction of the screw rod, the drooping amount of the screw rod due to self weight is reduced, the support rollers arranged on the brackets are in friction and abutting against the screw rod, and the abrasion to the screw rod is reduced;
the guide rod is arranged, so that when the workbench slides along the lead screw, the workbench is abutted against the inclined guide rod, the bracket is pressed downwards, and the bracket vertically moves downwards on the mounting seat by virtue of the sliding column to avoid the workbench; after the workstation crossed this position, the bracket was reset by the effort of pressure spring, continued to be in support state to the lead screw.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the ingress rod of the present invention.
In the figure: 1-a lead screw; 2-a bracket; 3-supporting the roller; 4-V-shaped avoidance grooves; 5-a support plate; 6-a sliding column; 7-a pressure spring; 8-a mounting seat; 9-a limiting plate; 10-fixing the bolt; 11-a lead-in rod; 12-a slide bar; 13-the work bench.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and fig. 2, the small gantry ball screw supporting mechanism includes a plurality of brackets 2 arranged below the screw rod 1 in parallel along the axial direction thereof, two supporting rollers 3 are mounted on the brackets 2 in parallel, the axes of the supporting rollers 3 are parallel to the axis of the screw rod 1, and the two supporting rollers support the region between the rollers 3, the brackets 2 are mounted on the mounting base 8 in a vertical sliding manner by avoiding the assembly, supporting rods are respectively and vertically fixedly connected to the two ends of the brackets 2, sliding rods 12 are fixedly connected between the two supporting rods, and guide rods 11 are respectively and fixedly connected to the outer walls of the two supporting rods far away from each other in a downward direction.
The two guide-in rods 11 enable the workbench 13 to move back and forth when sliding back and forth, and after the workbench 13 abuts against the guide-in rods 11, the workbench slides to the other guide-in rod 11 along the sliding rod 12 to be guided out.
Dodge the subassembly and include backup pad 5 with the bracket 2 is connected, and the below of backup pad 5 is parallel the rigid coupling and has the slip post 6 of vertical setting, and slip post 6 slidable mounting is on mount pad 8.
The supporting plate 5 and the bracket 2 are fixed through bolts.
The sliding column 6 is sleeved with a pressure spring 7, and two ends of the pressure spring 7 are respectively propped against the supporting plate 5 and the mounting seat 8.
The lower end of the sliding column 6 passes through the mounting seat 8 to extend to the lower part and is fixedly connected with a limiting plate 9.
The mounting base 8 is also provided with a fixing bolt 10 in parallel, and the mounting base 8 is fixed on the frame through the fixing bolt 10.
The opposite end surface of the box shell mounting support roller 3 is also provided with a V-shaped avoiding groove 4 communicated with the opening.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. The utility model provides a small-size longmen ball screw rod supporting mechanism which characterized in that: include along lead screw (1) axial direction set up side by side in a plurality of bracket (2) of its below, rotate on bracket (2) side by side and install two supports and change roller (3), support the axis of changeing roller (3) with the axis parallel arrangement of lead screw (1), and through two support and change regional support area between roller (3), bracket (2) are installed on mount pad (8) along vertical slidable mounting through dodging the subassembly, the both ends of bracket (2) still vertical rigid coupling respectively have the bracing piece, and the rigid coupling has slide bar (12) between two bracing pieces, two respectively on the outer wall of keeping away from mutually of bracing piece downwards the rigid coupling have leading-in pole (11).
2. The small gantry ball screw support mechanism according to claim 1, wherein: dodge the subassembly include with backup pad (5) that bracket (2) are connected, the below of backup pad (5) is the rigid coupling side by side has vertical slip post (6) that set up, slip post (6) slidable mounting in on mount pad (8).
3. The small gantry ball screw support mechanism of claim 2, wherein: the sliding column (6) is sleeved with a pressure spring (7), and two ends of the pressure spring (7) respectively abut against the supporting plate (5) and the mounting seat (8).
4. The small gantry ball screw support mechanism of claim 3, wherein: the lower end part of the sliding column (6) penetrates through the mounting seat (8) to extend to the lower part and is fixedly connected with a limiting plate (9).
5. The small gantry ball screw support mechanism of claim 4, wherein: and the mounting seat (8) is also provided with a fixing bolt (10) in parallel.
6. The small gantry ball screw support mechanism of claim 1, wherein: the bracket (2) comprises a box shell, an opening is formed in the upper end of the box shell, the two supporting rotary rollers (3) are rotatably arranged inside the box shell, and the peripheral wall of the supporting rotary rollers (3) above the supporting rotary rollers is higher than the opening of the box shell.
7. The small gantry ball screw support mechanism of claim 6, wherein: and the opposite end surfaces of the supporting rotary rollers (3) arranged on the box shell are also provided with V-shaped avoiding grooves (4) communicated with the openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122991334.8U CN218613032U (en) | 2021-12-01 | 2021-12-01 | Small-size longmen ball screw rod supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122991334.8U CN218613032U (en) | 2021-12-01 | 2021-12-01 | Small-size longmen ball screw rod supporting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218613032U true CN218613032U (en) | 2023-03-14 |
Family
ID=85421245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122991334.8U Active CN218613032U (en) | 2021-12-01 | 2021-12-01 | Small-size longmen ball screw rod supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218613032U (en) |
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2021
- 2021-12-01 CN CN202122991334.8U patent/CN218613032U/en active Active
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