CN212918647U - Long-stroke screw rod elastic supporting device - Google Patents
Long-stroke screw rod elastic supporting device Download PDFInfo
- Publication number
- CN212918647U CN212918647U CN202021986948.6U CN202021986948U CN212918647U CN 212918647 U CN212918647 U CN 212918647U CN 202021986948 U CN202021986948 U CN 202021986948U CN 212918647 U CN212918647 U CN 212918647U
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- Prior art keywords
- plate
- backup pad
- long
- threaded column
- fly leaf
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- 230000007246 mechanism Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the digit control machine tool technique and specifically relates to a long stroke lead screw elastic support device, comprising a base plate, the upper end of bottom plate is connected with telescopic cylinder, and telescopic cylinder's upper end is connected with the fly leaf, and the upper end of fly leaf is connected with the chute frame, and the equal slidable in both sides of chute frame is connected with the slider, and the equal rotatable connecting rod that is connected with in upper end of every slider, the equal rotatable fixed block that is connected with in upper end of every connecting rod is connected with the first spring of a plurality of between two connecting rods, and the upper end of backup pad is connected with the. The utility model discloses a promote the fly leaf after telescopic cylinder starts and move in vertical direction, the fly leaf removes and drives the backup pad and remove to change the height of backup pad, after the backup pad received vibrations, elastic component produced the vibrations that elasticity reduced the backup pad and received, first spring is stretched to produce elasticity simultaneously, and the shock attenuation is effectual.
Description
Technical Field
The utility model relates to a digit control machine tool technical field especially relates to a long stroke lead screw elastic support device.
Background
At present, a large amount of screw rod transmission is used in the existing machine tool, two ends of a screw rod are supported by a bearing and a bearing seat, the stroke of a moving part of a large machine tool is usually very large, a screw rod nut makes transverse reciprocating motion on a long screw rod, and the phenomenon that the middle part is seriously sagged due to the dead weight of the screw rod and the like frequently occurs due to the overlong stroke of the screw rod, so that the phenomenon that the screw rod shakes in the machining process is caused. The existing elastic supporting device is a fixing mechanism, the supporting height cannot be adjusted, and meanwhile, the damping effect of the elastic supporting device is poor, so that the rotation of the screw rod is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the supporting height existing in the prior art can not be adjusted, and simultaneously the elastic supporting device has the defect of poor damping effect, and the provided long-stroke screw rod elastic supporting device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an elastic supporting device of a long-stroke screw rod is designed, which comprises a bottom plate, wherein the upper end of the bottom plate is connected with a telescopic cylinder, the upper end of the telescopic cylinder is connected with a movable plate, both sides of the upper end of the bottom plate are connected with guide mechanisms, each guide mechanism penetrates through the movable plate, the upper end of the movable plate is connected with a chute frame, the two sides of the chute frame are connected with sliding blocks in a sliding way, the upper end of each sliding block is connected with a connecting rod in a rotatable way, each connecting rod is connected in an inclined way, the upper end of each connecting rod is connected with a fixed block in a rotatable way, a plurality of first springs are connected between the two connecting rods, the upper end of fixed block is connected with the backup pad, the upper end of backup pad is connected with the connecting plate, the bottom of backup pad is connected with a plurality of elastic component, every elastic component all runs through the fly leaf.
Preferably, mounting holes are formed in the two sides of the bottom plate.
Preferably, the guiding mechanism comprises a guide plate, the bottom end of the guide plate is connected with the bottom plate, the upper end of the guide plate penetrates through the movable plate, and the upper end of the guide plate is connected with a limiting block.
Preferably, the support plate and the connecting plate are of an integral structure.
Preferably, the elastic component comprises a threaded column, the upper end of the threaded column is connected with the supporting plate, the bottom end of the threaded column penetrates through the movable plate, the bottom end of the threaded column is connected with a fixing nut, the upper end of the threaded column is connected with a second spring, the second spring is located on the outer side of the threaded column, and one end of the second spring is connected with the movable plate.
The utility model provides a pair of long stroke lead screw elastic support device, beneficial effect lies in:
promote the fly leaf and move in vertical direction after starting through telescopic cylinder, in the fly leaf motion process, the deflector carries out spacing direction to the fly leaf, make the fly leaf steadily remove, the fly leaf removes and drives the backup pad and removes, thereby change the height of backup pad, receive vibrations at the backup pad after, elastic component produces elasticity and reduces the vibrations that the backup pad received, the connecting rod removes to both sides simultaneously, first spring is stretched and is produced elasticity, reduce the trend that the connecting rod removed, thereby reduce the vibrations that the backup pad received, the shock attenuation is effectual.
Drawings
Fig. 1 is a schematic structural view of a long-stroke screw rod elastic supporting device provided by the present invention;
fig. 2 is a schematic front view of the elastic support device for a long-stroke screw rod according to the present invention;
fig. 3 is a schematic view of a connection structure between a connection rod and a fixed block in the long-stroke screw elastic supporting device provided by the utility model.
In the figure: the device comprises a bottom plate 1, a mounting hole 2, a telescopic cylinder 3, a movable plate 4, a guide plate 5, a limiting block 6, a chute frame 7, a sliding block 8, a connecting rod 9, a fixing block 10, a supporting plate 11, a connecting plate 12, a first spring 13, a threaded column 14, a fixing nut 15 and a second spring 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-3, a long stroke lead screw elastic support device, including bottom plate 1, mounting hole 2 has all been seted up to the both sides of bottom plate 1, mounting hole 2 is through bolt fastening bottom plate 1, the upper end of bottom plate 1 is connected with telescopic cylinder 3, telescopic cylinder 3 starts the height of back regulation fly leaf 4, telescopic cylinder 3's upper end is connected with fly leaf 4, the upper end both sides of bottom plate 1 all are connected with guiding mechanism, every guiding mechanism all runs through fly leaf 4, guiding mechanism includes deflector 5, bottom plate 1 is connected to the bottom of deflector 5, the upper end of deflector 5 runs through fly leaf 4, the upper end of deflector 5 is connected with stopper 6, stopper 6 makes fly leaf 4 can not separate with deflector 5.
The upper end of the movable plate 4 is connected with a chute frame 7, the two sides of the chute frame 7 are slidably connected with sliders 8, the upper end of each slider 8 is rotatably connected with a connecting rod 9, each connecting rod 9 is obliquely connected, the upper end of each connecting rod 9 is rotatably connected with a fixed block 10, a plurality of first springs 13 are connected between the two connecting rods 9, the upper end of the fixed block 10 is connected with a supporting plate 11, the upper end of the supporting plate 11 is connected with a connecting plate 12, the connecting plate 12 is used for connecting an external lead screw, the supporting plate 11 and the connecting plate 12 are of an integral structure, the bottom end of the supporting plate 11 is connected with a plurality of elastic components, the elastic components generate elasticity after being pressed, the vibration received by the supporting plate 11 is reduced, each elastic component penetrates through the movable plate 4, the movable plate 4 is pushed to move in the vertical direction after the telescopic, make fly leaf 4 steady movement, fly leaf 4 removes and drives backup pad 11 and remove to change the height of backup pad 11, receive vibrations back at backup pad 11, elastic component produces elasticity and reduces the vibrations that backup pad 11 received, and connecting rod 9 moves to both sides simultaneously, and first spring 13 is stretched and is produced elasticity, reduces the trend that connecting rod 9 removed, thereby reduces the vibrations that backup pad 11 received.
Example 2
Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the elastic component includes a threaded column 14, the upper end of the threaded column 14 is connected to the support plate 11, the bottom end of the threaded column 14 runs through the movable plate 4, the bottom end of the threaded column 14 is connected to a fixing nut 15, the upper end of the threaded column 14 is connected to a second spring 16, the second spring 16 is located outside the threaded column 14, one end of the second spring 16 is connected to the movable plate 4, the support plate 11 is vibrated to press the second spring 16 when moving downward, the second spring 16 is pressed to generate elastic force, and the movement tendency of the support plate 11 is reduced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The long-stroke lead screw elastic supporting device comprises a bottom plate (1) and is characterized in that a telescopic cylinder (3) is connected to the upper end of the bottom plate (1), a movable plate (4) is connected to the upper end of the telescopic cylinder (3), guide mechanisms are connected to two sides of the upper end of the bottom plate (1), each guide mechanism penetrates through the movable plate (4), a chute frame (7) is connected to the upper end of the movable plate (4), sliders (8) are slidably connected to two sides of the chute frame (7), a connecting rod (9) is rotatably connected to the upper end of each slider (8), each connecting rod (9) is obliquely connected, a fixed block (10) is rotatably connected to the upper end of each connecting rod (9), and a plurality of first springs (13) are connected between the two connecting rods (9), the upper end of fixed block (10) is connected with backup pad (11), the upper end of backup pad (11) is connected with connecting plate (12), the bottom of backup pad (11) is connected with a plurality of elastic component, every elastic component all runs through fly leaf (4).
2. The elastic support device for the long-stroke screw rod according to claim 1, wherein the two sides of the bottom plate (1) are provided with mounting holes (2).
3. The long-stroke screw rod elastic supporting device according to claim 1, wherein the guiding mechanism comprises a guiding plate (5), the bottom end of the guiding plate (5) is connected with the bottom plate (1), the upper end of the guiding plate (5) penetrates through the movable plate (4), and the upper end of the guiding plate (5) is connected with a limiting block (6).
4. A long-stroke screw elastic support device according to claim 1, characterized in that the support plate (11) and the connecting plate (12) are of an integral structure.
5. The long-stroke screw elastic support device according to claim 1, wherein the elastic assembly comprises a threaded column (14), the upper end of the threaded column (14) is connected with the support plate (11), the bottom end of the threaded column (14) penetrates through the movable plate (4), the bottom end of the threaded column (14) is connected with a fixed nut (15), the upper end of the threaded column (14) is connected with a second spring (16), the second spring (16) is located on the outer side of the threaded column (14), and one end of the second spring (16) is connected with the movable plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021986948.6U CN212918647U (en) | 2020-09-12 | 2020-09-12 | Long-stroke screw rod elastic supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021986948.6U CN212918647U (en) | 2020-09-12 | 2020-09-12 | Long-stroke screw rod elastic supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212918647U true CN212918647U (en) | 2021-04-09 |
Family
ID=75305547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021986948.6U Expired - Fee Related CN212918647U (en) | 2020-09-12 | 2020-09-12 | Long-stroke screw rod elastic supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212918647U (en) |
-
2020
- 2020-09-12 CN CN202021986948.6U patent/CN212918647U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |