CN214500652U - Multi-degree-of-freedom rapid adjusting mechanism - Google Patents
Multi-degree-of-freedom rapid adjusting mechanism Download PDFInfo
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- CN214500652U CN214500652U CN202120588866.4U CN202120588866U CN214500652U CN 214500652 U CN214500652 U CN 214500652U CN 202120588866 U CN202120588866 U CN 202120588866U CN 214500652 U CN214500652 U CN 214500652U
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Abstract
The invention relates to a multi-degree-of-freedom rapid adjusting mechanism which can be widely applied to adjustment work of various instruments and equipment of adjusting platforms of laboratories and lathes. The utility model aims at solving the technical problems that the prior multi-degree-of-freedom adjusting mechanism has small adjusting range, high cost, is difficult to bear heavier load and is not convenient to refit. The two-dimensional translation of the mechanism selects two mutually perpendicular linear guide rail unit constraints and two groups of adjusting units to be fixed in a traction manner, the adjusting range is large, the moving precision is high, the cost is low, and the adjustment is convenient. Nuts of the three second fixing bolts are positioned in the three step holes and are used for micro-translation of the supporting plate; the tail ends of the rod parts of the three second adjusting bolts are in contact with the second translation transfer plate, the four-degree-of-freedom movement of the supporting plate is achieved, the six-degree-of-freedom adjustment is achieved through the two-dimensional translation, and the large load can be borne. The device is convenient to refit and can realize quick expansion.
Description
Technical Field
The invention relates to a multi-degree-of-freedom rapid adjusting mechanism which can be widely applied to adjustment work of various instruments and equipment such as laboratories, lathe adjusting platforms and the like.
Background
With the rapid development of science and technology, in order to realize the rapid pose adjustment of laboratory instruments and factory lathe accessories, the adjustment of various instruments and lathe accessories with multiple degrees of freedom needs to be rapidly realized. Various lead screw guide rails and gear mechanisms are conventionally used in the industry for adjusting the position and posture of the platform load, and the adjusting mechanism is small in adjusting range, expensive and inconvenient to modify. Such an adjustment mechanism is sometimes required to be able to withstand a heavy load, and therefore a multiple degree of freedom adjustment mechanism that has a large adjustment range, is low in cost, is easy to retrofit, and is able to withstand a heavy load is desired.
Disclosure of Invention
The utility model aims at solving the technical problem that the existing multi-degree-of-freedom adjusting mechanism has small adjusting range, high cost, is not convenient to modify and is difficult to bear heavier load, and providing the multi-degree-of-freedom quick adjusting mechanism.
In order to solve the technical problem, the utility model provides a technical solution as follows:
a multi-degree-of-freedom rapid adjusting mechanism is characterized in that: the device comprises a bottom plate, a first translation transfer plate, a second translation transfer plate and a support plate which are sequentially stacked from bottom to top, a first linear guide rail unit arranged between the bottom plate and the first translation transfer plate, a second linear guide rail unit arranged between the first translation transfer plate and the second translation transfer plate, two first adjusting units arranged on the side faces of the bottom plate and the first translation transfer plate, and two second adjusting units arranged on the side faces of the first translation transfer plate and the second translation transfer plate;
the size of the bottom plate, the first translation transfer plate and the second translation transfer plate is gradually reduced; the supporting plate is connected with the second translation adapter plate and used for installing the adapter plate of the target to be adjusted;
the first linear guide rail unit comprises a first guide rail and a first sliding block which is arranged on the first guide rail in a sliding mode, the first guide rail is fixedly connected to the upper surface of the base plate, and the first sliding block is fixedly connected to the lower surface of the first translation transfer connecting plate; the connecting line of the two first adjusting units is parallel to the first guide rail;
the second linear guide rail unit comprises a second guide rail and a second sliding block which is arranged on the second guide rail in a sliding mode, the second guide rail is fixedly connected to the upper surface of the first translation and transfer plate, and the second sliding block is fixedly connected to the lower surface of the second translation and transfer plate; the connecting line of the two second adjusting units is parallel to the second guide rail;
the first guide rail is perpendicular to the second guide rail.
Furthermore, the first adjusting unit and the second adjusting unit have the same structure and respectively comprise an adjusting plate, a first fixing bolt and a first adjusting bolt;
the adjusting plate of the first adjusting unit is arranged on the side surfaces of the bottom plate and the first translation transfer plate, the lower part of the adjusting plate is connected with the bottom plate through a first fixing bolt, and the upper part of the adjusting plate is butted against the first translation transfer plate from two sides through a first adjusting bolt;
the adjusting plate of the second adjusting unit is arranged on the side surfaces of the first translation transfer connecting plate and the second translation transfer connecting plate, the lower portion of the adjusting plate is connected with the first translation transfer connecting plate through a first fixing bolt, and the upper portion of the adjusting plate is butted against the second translation transfer connecting plate from two sides through a first adjusting bolt.
Furthermore, three second fixing bolts distributed in a three-point mode are arranged on the second translation and transfer connecting plate; three through holes corresponding to the three second fixing bolts are formed in the supporting plate, the three through holes are small at the lower part and large at the upper part, the small-end hole diameter of the step hole is larger than the outer diameter of a screw rod of the second fixing bolt and smaller than the outer diameter of a nut of the second fixing bolt, the large-end hole diameter of the step hole is larger than the outer diameter of the nut of the second fixing bolt, and the nuts of the three second fixing bolts are positioned in the large-end holes of the three step holes and used for micro-translation of the supporting plate;
three second adjusting bolts distributed in a three-point mode are arranged on the supporting plate, and the tail ends of the rod parts of the three second adjusting bolts are in contact with the second translation and transfer plate and are used for pitching, azimuth, rotation and one-dimensional translation movement of the supporting plate;
the three second fixing bolts and the three second adjusting bolts are distributed in a crossed mode.
Furthermore, the second translation and connection plate is provided with three movement grooves, the three movement grooves correspond to the three second adjusting bolts in position and are larger than the outer diameters of the screws of the second adjusting bolts in size, and the movement grooves are used for movement of the second adjusting bolts.
Furthermore, a stainless steel sheet is arranged in the moving groove.
Furthermore, lubricating oil is arranged in the moving groove.
Further, the first linear guide rail units are multiple, and multiple first guide rails in the multiple first linear guide rail units are parallel to each other;
the second linear guide rail unit is provided with a plurality of second linear guide rails, and the plurality of second linear guide rails in the plurality of second linear guide rail units are parallel to each other.
Furthermore, an external connection mounting hole is formed in the bottom plate and used for being connected with an external supporting platform.
The utility model discloses compare the beneficial effect that prior art has:
1. the utility model provides an among the multi freedom quick adjustment mechanism, through selecting for use two mutually perpendicular's linear guide unit restraint and two sets of adjustment unit to pull fixedly, realize the two dimension translation, the control range is big, and the removal precision is high, and is with low costs, adjusts the facility.
2. The utility model provides an among the multi freedom quick adjustment mechanism, three second fixing bolt's nut is located threely in the through-hole for the micro-translation of backup pad, three second adjusting bolt's pole portion end contact second translation transfer board for the rotation of backup pad, it is three second fixing bolt and three second adjusting bolt cross distribution realizes the adjustment of four degrees of freedom, combines two-dimensional translation, reaches three-dimensional translation and adds the quick adjustment of every single move, position, rotation six degrees of freedom altogether, and can bear great load.
3. The utility model provides a multi freedom quick adjustment mechanism according to the needs of concrete application scene, the adjustment of all strokes all can be through the size adjustment of change guide rail size and adjusting bolt, and the repacking of being convenient for can realize quick extension.
Drawings
FIG. 1 is a schematic structural view of the multi-degree of freedom rapid adjustment mechanism of the present invention;
FIG. 2 is a schematic structural view of a bottom plate of the multi-degree-of-freedom rapid adjustment mechanism of the present invention;
fig. 3 is a schematic structural view of the first translation and transfer plate of the multi-degree-of-freedom rapid adjustment mechanism of the present invention;
fig. 4 is a schematic structural view of the second translation and transfer plate of the multi-degree-of-freedom rapid adjustment mechanism of the present invention;
FIG. 5 is a schematic structural view of the supporting plate and the adapter plate of the multi-degree-of-freedom rapid adjustment mechanism of the present invention;
FIG. 6 is a schematic structural view of an adjusting plate of the multi-degree of freedom rapid adjustment mechanism of the present invention;
description of reference numerals:
the device comprises a base plate 1, a first translation and transfer plate 2, a second translation and transfer plate 3, a support plate 4, a first linear guide rail unit 5, a second linear guide rail unit 6, a first adjusting unit 7, a second adjusting unit 8, an adapter plate 9, an adjusting plate 10, a first fixing bolt 11, a first adjusting bolt 12, a second adjusting bolt 13, a through hole 14, a second adjusting bolt 15 and a moving groove 16.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
In order to realize the rapid pose adjustment of laboratory instruments and lathe accessories, the invention provides a multi-degree-of-freedom rapid adjusting mechanism which comprises a bottom plate 1 and a first translation transfer plate 2 which are sequentially stacked from bottom to top, a second translation and transfer board 3 and a support plate 4, a first linear guide rail unit 5 disposed between the bottom plate 1 and the first translation and transfer board 2 (i.e., the first translation and transfer board 2 is connected to the bottom plate 1 through the first linear guide rail unit 5), a second linear guide rail unit 6 disposed between the first translation and transfer board 2 and the second translation and transfer board 3 (i.e., the second translation and transfer board 3 is connected to the first translation and transfer board 2 through the second linear guide rail unit 6), two first adjusting units 7 disposed on the side surfaces of the bottom plate 1 and the first translation and transfer board 2, and two second adjusting units 8 disposed on the side surfaces of the first translation and transfer board 2 and the second translation and transfer board 3; the sizes of the bottom plate 1, the first translation and transfer plate 2 and the second translation and transfer plate 3 are gradually reduced; the supporting plate 4 is connected with the second translation adapter plate 3, the supporting plate 4 is used for installing a target to be adjusted, the target to be adjusted is installed on the supporting plate 4 through the adapter plate 9 matched with the target to be adjusted, the installation mode of the adapter plate 9 on the supporting plate 4 is determined according to the form of the adapter plate 9, for example, an installation mode of an installation groove or a bolt installation mode and the like, and the installation mode of the installation groove is adopted in the embodiment. The bottom plate 1 is provided with an external connection mounting hole for connecting an external supporting platform to realize external connection. The first linear guide rail unit 5 comprises a first guide rail and a first sliding block which is arranged on the first guide rail in a sliding mode, the first guide rail is fixedly connected to the upper surface of the base plate 1, and the first sliding block is fixedly connected to the lower surface of the first translation and transfer plate 2; the connecting line of the two first adjusting units 7 is parallel to the first guide rail. The second linear guide rail unit 6 comprises a second guide rail and a second sliding block which is arranged on the second guide rail in a sliding manner, the second guide rail is fixedly connected to the upper surface of the first translation and transfer board 2, and the second sliding block is fixedly connected to the lower surface of the second translation and transfer board 3; the line of the two second adjusting units 8 is parallel to the second guide rail. The first guide rail in the first linear guide unit 5 is perpendicular to the second guide rail in the second linear guide unit 6. The first linear guide rail units 5 are multiple, and multiple first guide rails in the multiple first linear guide rail units 5 are parallel to each other; the second linear guide unit 6 is provided in plurality, and a plurality of second guide rails of the plurality of second linear guide units 6 are parallel to each other.
The first adjusting unit 7 and the second adjusting unit 8 have the same structure, and each include an adjusting plate 10, two first fixing bolts 11 and a first adjusting bolt 12, and the two first fixing bolts 11 and the first adjusting bolt 12 are mounted on the adjusting plate 10 in a three-point manner. The adjusting plate 10 of the first adjusting unit 7 is disposed on the side surfaces of the bottom plate 1 and the first translation and transfer plate 2, the lower portion of the adjusting plate is connected with the bottom plate 1 through the first fixing bolt 11, and the upper portion of the adjusting plate is butted against the first translation and transfer plate 2 from two sides through the first adjusting bolt 12, that is, the side surface of the first translation and transfer plate 2 can be butted against by adjusting the first adjusting bolt 12 and is constrained by the first linear guide rail unit 5, so that one-dimensional translation movement of the first translation and transfer plate 2 on the first guide rail fixedly connected with the bottom plate 1 is realized. The adjusting plate 10 of the second adjusting unit 8 is disposed on the side surfaces of the first translation transfer plate 2 and the second translation transfer plate 3, the lower portion of the adjusting plate is connected with the first translation transfer plate 2 through the first fixing bolt 11, the upper portion of the adjusting plate is butted against the second translation transfer plate 3 from two sides through the first adjusting bolt 12, the side surface of the second translation transfer plate 3 can be butted against through adjusting the first adjusting bolt 12, and the second translation transfer plate is restrained by the second linear guide rail unit 6, so that one-dimensional translation movement of the second translation transfer plate 3 on a second guide rail fixedly connected with the first translation transfer plate 2 is realized.
The second translation and transfer connecting plate 2 is provided with three second fixing bolts 13 distributed in a three-point mode; three through holes 14 corresponding to the three second fixing bolts 13 are formed in the supporting plate 4, the three through holes 14 are small at the lower part and large at the upper part, the small-end hole diameter of each step hole is larger than the outer diameter of a screw rod of each second fixing bolt 13 and smaller than the outer diameter of a nut of each second fixing bolt 13, the large-end hole diameter of each step hole is larger than the outer diameter of the nut of each second fixing bolt 13, and the nuts of the three second fixing bolts 13 are positioned in the large-end holes of the three step holes and used for micro-translation of the supporting plate 4; three second adjusting bolts 15 distributed in a three-point mode are arranged on the supporting plate 4, the tail ends of the rod parts of the three second adjusting bolts 15 are in contact with the second translation and conversion plate 3, the second translation and conversion plate is used for pitching, azimuth, rotation and one-dimensional translation movement of the supporting plate 4, and four degrees of freedom are provided; the three second fixing bolts 13 and the three second adjusting bolts 15 are distributed in a crossed manner.
The second translation transfer plate 3 is provided with three movement grooves 16, and the three movement grooves 16 correspond to the three second adjusting bolts 15 in position and are larger than the outer diameter of the screw of the second adjusting bolt 15 in size, and are used for movement of the second adjusting bolt 15. The stainless steel sheet is arranged in the moving groove 16, and lubricating oil is arranged in the moving groove 16 to realize stable adjustment.
In the multi-degree-of-freedom rapid adjusting mechanism, the bottom plate 1 is used for connecting an external supporting platform, a target to be adjusted can realize two-dimensional motion through the space two-dimensional adjustment of the multi-degree-of-freedom rapid adjusting mechanism, and the six-degree-of-freedom adjustment of the target to be adjusted is finally realized by combining pitching, azimuth, rotation and one-dimensional translation motion.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and it is obvious for a person skilled in the art to modify the specific technical solutions described in the foregoing embodiments or to equally replace some technical features of the embodiments, and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions protected by the present invention.
Claims (8)
1. A multi-degree-of-freedom rapid adjusting mechanism is characterized in that: the device comprises a bottom plate (1), a first translation and transfer plate (2), a second translation and transfer plate (3) and a support plate (4) which are sequentially stacked from bottom to top, a first linear guide rail unit (5) arranged between the bottom plate (1) and the first translation and transfer plate (2), a second linear guide rail unit (6) arranged between the first translation and transfer plate (2) and the second translation and transfer plate (3), two first adjusting units (7) arranged on the side surfaces of the bottom plate (1) and the first translation and transfer plate (2), and two second adjusting units (8) arranged on the side surfaces of the first translation and transfer plate (2) and the second translation and transfer plate (3);
the sizes of the bottom plate (1), the first translation and transfer plate (2) and the second translation and transfer plate (3) are gradually reduced; the supporting plate (4) is connected with the second translation adapter plate (3), and the supporting plate (4) is used for installing an adapter plate (9) of the target to be adjusted;
the first linear guide rail unit (5) comprises a first guide rail and a first sliding block which is arranged on the first guide rail in a sliding mode, the first guide rail is fixedly connected to the upper surface of the base plate (1), and the first sliding block is fixedly connected to the lower surface of the first translation and transfer plate (2); the connecting line of the two first adjusting units (7) is parallel to the first guide rail;
the second linear guide rail unit (6) comprises a second guide rail and a second sliding block which is arranged on the second guide rail in a sliding mode, the second guide rail is fixedly connected to the upper surface of the first translation and transfer plate (2), and the second sliding block is fixedly connected to the lower surface of the second translation and transfer plate (3); the connecting line of the two second adjusting units (8) is parallel to the second guide rail;
the first guide rail is perpendicular to the second guide rail.
2. The multiple degree of freedom rapid adjustment mechanism of claim 1, characterized in that:
the first adjusting unit (7) and the second adjusting unit (8) are identical in structure and respectively comprise an adjusting plate (10), a first fixing bolt (11) and a first adjusting bolt (12);
the adjusting plate (10) of the first adjusting unit (7) is arranged on the side surfaces of the bottom plate (1) and the first translation and transfer plate (2), the lower part of the adjusting plate is connected with the bottom plate (1) through a first fixing bolt (11), and the upper part of the adjusting plate is butted against the first translation and transfer plate (2) from two sides through a first adjusting bolt (12);
the adjusting plate (10) of the second adjusting unit (8) is arranged on the side surfaces of the first translation transfer connecting plate (2) and the second translation transfer connecting plate (3), the lower portion of the adjusting plate is connected with the first translation transfer connecting plate (2) through a first fixing bolt (11), and the upper portion of the adjusting plate is butted against the second translation transfer connecting plate (3) from two sides through a first adjusting bolt (12).
3. The multiple degree of freedom rapid adjustment mechanism of claim 2, characterized in that:
three second fixing bolts (13) distributed in a three-point mode are arranged on the second translation transfer connecting plate (3); three through holes (14) corresponding to the three second fixing bolts (13) are formed in the supporting plate (4), the three through holes (14) are small at the lower part and large at the upper part, the small-end hole diameter of each step hole is larger than the outer diameter of a screw rod of each second fixing bolt (13) and smaller than the outer diameter of a nut of each second fixing bolt (13), the large-end hole diameter of each step hole is larger than the outer diameter of the nut of each second fixing bolt (13), and the nuts of the three second fixing bolts (13) are located in the large-end holes of the three step holes and used for micro-translation of the supporting plate (4);
three second adjusting bolts (15) distributed in a three-point mode are arranged on the supporting plate (4), and the tail ends of the rod parts of the three second adjusting bolts (15) are in contact with the second translation and transfer plate (3) and are used for pitching, azimuth, rotation and one-dimensional translation movement of the supporting plate (4);
the three second fixing bolts (13) and the three second adjusting bolts (15) are distributed in a crossed mode.
4. The multiple degree of freedom rapid adjustment mechanism of claim 3, characterized in that:
and the second translation transfer plate (3) is provided with three movement grooves (16), and the three movement grooves (16) correspond to the three second adjusting bolts (15) in position and are larger than the outer diameter of the screw rod of the second adjusting bolt (15) in size, and are used for the movement of the second adjusting bolt (15).
5. The multiple degree of freedom rapid adjustment mechanism of claim 4, characterized in that:
a stainless steel sheet is arranged in the moving groove (16).
6. The multiple degree of freedom rapid adjustment mechanism of claim 5, characterized in that:
lubricating oil is arranged in the moving groove (16).
7. The multiple degree of freedom rapid adjustment mechanism of any one of claims 1 to 6, characterized in that:
the number of the first linear guide rail units (5) is multiple, and a plurality of first guide rails in the plurality of first linear guide rail units (5) are parallel to each other;
the number of the second linear guide rail units (6) is multiple, and multiple second guide rails in the multiple second linear guide rail units (6) are parallel to each other.
8. The multiple degree of freedom rapid adjustment mechanism of claim 7, wherein:
the bottom plate (1) is provided with an external connection mounting hole for connecting an external support platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120588866.4U CN214500652U (en) | 2021-03-23 | 2021-03-23 | Multi-degree-of-freedom rapid adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120588866.4U CN214500652U (en) | 2021-03-23 | 2021-03-23 | Multi-degree-of-freedom rapid adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214500652U true CN214500652U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120588866.4U Active CN214500652U (en) | 2021-03-23 | 2021-03-23 | Multi-degree-of-freedom rapid adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214500652U (en) |
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2021
- 2021-03-23 CN CN202120588866.4U patent/CN214500652U/en active Active
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