CN211121080U - Two-axis motion platform for biomedical detection - Google Patents
Two-axis motion platform for biomedical detection Download PDFInfo
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- CN211121080U CN211121080U CN202020008250.0U CN202020008250U CN211121080U CN 211121080 U CN211121080 U CN 211121080U CN 202020008250 U CN202020008250 U CN 202020008250U CN 211121080 U CN211121080 U CN 211121080U
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Abstract
The utility model discloses a two-axis motion platform for biomedical detection, which comprises a lower bottom plate, a middle connecting plate, an upper object loading plate, a transverse moving driving mechanism and a longitudinal moving driving mechanism, wherein the middle connecting plate is longitudinally matched on the lower bottom plate in a sliding way; the upper loading plate is transversely matched on the middle connecting plate in a sliding manner; the transverse moving driving mechanism comprises a transverse magnetic plate fixed on the loading plate and a first linear motor coil fixed on the middle connecting plate and matched with the transverse magnetic plate, and when the first linear motor coil is electrified, an interaction force is generated between the first linear motor coil and the transverse magnetic plate to push the transverse magnetic plate and the loading plate to move along the transverse direction; the longitudinal movement driving mechanism comprises a longitudinal magnetic plate fixed on the middle connecting plate and a second linear motor coil fixed on the lower bottom plate and matched with the longitudinal magnetic plate. The utility model discloses can drive the slide above that well and move in horizontal and vertical, the running accuracy is high.
Description
Technical Field
The utility model relates to a diaxon motion platform for bio-medical detection.
Background
The common motion platform is generally built by a module, has low precision, cannot meet the requirements of biomedical detection, has large overall dimension, is not suitable for the small and exquisite requirements of the biomedical field, does not move stably, and has high noise during operation.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a diaxon motion platform for bio-medical detection, it can drive the slide on it well and move in horizontal and vertical, and the running accuracy is high.
In order to solve the technical problem, the technical scheme of the utility model is that: a two-axis motion platform for biomedical testing, comprising:
a lower base plate;
the middle connecting plate is longitudinally and slidably matched on the lower bottom plate;
the upper carrying plate is transversely matched on the middle connecting plate in a sliding manner;
the transverse moving driving mechanism comprises a transverse magnetic plate fixed on the loading plate and a first linear motor coil fixed on the middle connecting plate and matched with the transverse magnetic plate, and when the first linear motor coil is electrified, an interaction force is generated between the first linear motor coil and the transverse magnetic plate to push the transverse magnetic plate and the loading plate to move along the transverse direction;
and the longitudinal movement driving mechanism comprises a longitudinal magnetic plate fixed on the intermediate connecting plate and a second linear motor coil fixed on the lower bottom plate and matched with the longitudinal magnetic plate, and when the second linear motor coil is electrified, the second linear motor coil and the longitudinal magnetic plate generate interaction to push the longitudinal magnetic plate and the intermediate connecting plate to move longitudinally.
Further, in order to facilitate the sliding fit of the intermediate connecting plate on the lower base plate, the intermediate connecting plate is slidably fitted on the lower base plate through a longitudinal cross ball guide assembly, the longitudinal cross ball guide assembly comprises two longitudinal cross ball guides coupled with each other, one longitudinal cross ball guide is fixed on the lower base plate, and the other longitudinal cross ball guide is fixed on the intermediate connecting plate.
And/or in order to facilitate the sliding fit of the loading plate on the intermediate connecting plate, the loading plate is slidably fitted on the intermediate connecting plate through a transverse cross ball guide assembly, the transverse cross ball guide assembly comprises two transverse cross ball guides which are mutually coupled, one transverse cross ball guide is fixed on the intermediate connecting plate, and the other transverse cross ball guide is fixed on the loading plate.
Further in order to facilitate reading the lateral movement distance of the upper loading plate and/or in order to facilitate reading the longitudinal movement distance of the middle connecting plate, the two-axis motion platform for biomedical detection further comprises:
the first grating scale system is used for reading the transverse moving distance of the upper loading plate and comprises a first grating scale which is fixed on the upper loading plate to move along with the upper loading plate and is parallel to the transverse direction and a first grating scale reading head which is fixed on the middle connecting plate and is used for reading scales on the first grating scale;
and/or a second grating ruler system for reading the longitudinal movement distance of the intermediate connecting plate, wherein the second grating ruler system comprises a second grating ruler which is fixed on the intermediate connecting plate to move along with the intermediate connecting plate and is parallel to the longitudinal direction, and a second grating ruler reading head which is fixed on the lower base plate and is used for reading scales on the second grating ruler.
Further in order to conveniently limit the transverse moving stroke of the upper loading plate and/or conveniently limit the longitudinal moving stroke of the middle connecting plate, the two-axis motion platform for biomedical detection further comprises:
the first limiting assembly is arranged between the middle connecting plate and the upper loading plate and is used for limiting the transverse moving stroke of the upper loading plate;
and/or a second limiting assembly which is arranged between the lower bottom plate and the middle connecting plate and is used for limiting the longitudinal movement stroke of the middle connecting plate.
The first limiting assembly comprises at least one first limiting seat fixed on the middle connecting plate and a first limiting stop fixed on the upper carrying plate and used for being abutted against the first limiting seat to limit the movement of the upper carrying plate in the process of moving along with the upper carrying plate;
and/or provide a specific structure of second spacing subassembly, the spacing subassembly of second includes the spacing seat of at least one second of fixing on the lower plate and fixes on the intermediate junction board, and be used for the second spacing backstop that moves with the spacing seat butt of second in order to restrict the spacing seat of second and remove its in-process along with the intermediate junction board.
Further to prevent wire clutter, a two-axis motion platform for biomedical testing, comprising:
the drag chain is used for tightening the connecting wire of the first linear motor coil and/or the connecting wire of the second linear motor coil and is fixed on the middle connecting plate;
and the drag chain bottom plate is used for guiding the movement of the drag chain and is fixed on the lower bottom plate.
After the technical scheme is adopted, the upper loading plate is driven to move transversely through the matching of the first linear motor coil and the transverse magnetic plate, the middle connecting plate is driven to drive the upper loading plate to move longitudinally through the matching of the second linear motor coil and the longitudinal magnetic plate, the operation precision is relatively high, the requirement of biomedical detection is met, and the utility model has the advantages of compact size, small size and exquisite size, and occupies a lot of less space than a platform with a common motor; the utility model discloses the noise is little, and the motion is steady, is applicable to the medical industry.
Drawings
FIG. 1 is a schematic structural view of a two-axis motion platform for biomedical detection according to the present invention;
FIG. 2 is a schematic structural view of the two-axis motion platform for biomedical detection according to the present invention with the lower base plate, the middle connecting plate, and the upper object plate separated;
fig. 3 is a schematic structural view of the upper carrier plate of the present invention;
FIG. 4 is a schematic structural view of the intermediate connection plate of the present invention;
fig. 5 is a schematic structural view of the lower plate of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 5, a two-axis motion platform for biomedical detection comprises:
a lower base plate 1;
the middle connecting plate 2 is longitudinally and slidably matched on the lower bottom plate 1;
the upper loading plate 3 is transversely matched on the middle connecting plate 2 in a sliding manner;
the transverse moving driving mechanism comprises a transverse magnetic plate 61 fixed on the upper loading plate 3 and a first linear motor coil 62 fixed on the middle connecting plate 2 and matched with the transverse magnetic plate 61, and when the first linear motor coil 62 is electrified, an interaction force is generated between the first linear motor coil 62 and the transverse magnetic plate 61 to push the transverse magnetic plate 61 and the upper loading plate 3 to move along the transverse direction;
and the longitudinal movement driving mechanism comprises a longitudinal magnetic plate 71 fixed on the intermediate connecting plate 2 and a second linear motor coil 72 fixed on the lower base plate 1 and matched with the longitudinal magnetic plate 71, and when the second linear motor coil 72 is electrified, the second linear motor coil 72 and the longitudinal magnetic plate 71 generate interaction to push the longitudinal magnetic plate 71 and the intermediate connecting plate 2 to move longitudinally.
Specifically, through the cooperation of the first linear motor coil 62 and the transverse magnetic plate 61, the upper loading plate 3 is driven to move transversely, and through the cooperation of the second linear motor coil 72 and the longitudinal magnetic plate 71, the middle connecting plate 2 is driven to drive the upper loading plate 3 to move longitudinally, so that the operation precision is relatively high, the requirement of biomedical detection is met, and the utility model has the advantages of compact size, small size and exquisite size, and occupies a lot of less space than a common platform with a motor; the utility model discloses the noise is little, and the motion is steady, is applicable to the medical industry.
As shown in fig. 2 and 5, in order to facilitate the sliding fit of the intermediate connection plate 2 on the lower plate 1, the intermediate connection plate 2 is slidably fitted on the lower plate 1 by a longitudinal cross ball guide assembly including two longitudinal cross ball guides 4 coupled to each other, one longitudinal cross ball guide 4 is fixed on the lower plate 1, and the other longitudinal cross ball guide 4 is fixed on the intermediate connection plate 2.
As shown in fig. 2 and 4, in order to facilitate the slide-fitting of the upper load plate 3 on the intermediate connection plate 2, the upper load plate 3 is slide-fitted on the intermediate connection plate 2 by a lateral cross ball guide assembly including two lateral cross ball guides 5 coupled to each other, one lateral cross ball guide 5 is fixed on the intermediate connection plate 2, and the other lateral cross ball guide 5 is fixed on the upper load plate 3.
As shown in fig. 2 and 4, in order to facilitate reading of the lateral movement distance of the upper loading plate 3, the two-axis motion platform for biomedical detection further includes:
the first grating scale system is used for reading the transverse moving distance of the upper loading plate 3 and comprises a first grating scale 81 which is fixed on the upper loading plate 3 to move along with the upper loading plate 3 and is parallel to the transverse direction and a first grating scale reading head 82 which is fixed on the intermediate connecting plate 2 and is used for reading the scale on the first grating scale 81;
as shown in fig. 2 and 5, in order to facilitate reading of the longitudinal movement distance of the intermediate connecting plate 2, the second grating 83 system for reading the longitudinal movement distance of the intermediate connecting plate 2 includes a second grating 83 fixed on the intermediate connecting plate 2 to move with the intermediate connecting plate 2 and parallel to the longitudinal direction, and a second grating reading head 84 fixed on the lower base plate 1 and used for reading the scale on the second grating 83.
In this embodiment, the first grating scale 81 and the second grating scale 83 are both RGSZ 20-renika grating scales.
As shown in fig. 2, 4 and 5, in order to limit the lateral movement stroke of the upper loading plate 3 and/or limit the longitudinal movement stroke of the middle connecting plate 2, the two-axis motion platform for biomedical detection further comprises:
the first limiting assembly is arranged between the middle connecting plate 2 and the upper loading plate 3 and is used for limiting the transverse moving stroke of the upper loading plate 3;
and/or a second limit component which is arranged between the lower bottom plate 1 and the middle connecting plate 2 and is used for limiting the longitudinal movement stroke of the middle connecting plate 2.
As shown in fig. 2, 4 and 5, the first limiting assembly includes at least one first limiting seat 91 fixed on the middle connecting plate 2 and a first limiting stopper 92 fixed on the upper carrier plate 3 and used for abutting against the first limiting seat 91 to limit the movement of the upper carrier plate 3 in the process that the first limiting seat moves along with the upper carrier plate 3;
and/or the second limiting component comprises at least one second limiting seat 93 fixed on the lower bottom plate 1 and a second limiting stop 94 fixed on the middle connecting plate 2 and used for abutting against the second limiting seat 93 to limit the movement of the second limiting seat 93 in the process that the second limiting seat moves along with the middle connecting plate 2.
As shown in fig. 1, 2, 4, and 5, in order to prevent wire clutter, the two-axis motion platform for biomedical testing further comprises:
a drag chain 101 for tightening the connecting wire of the first linear motor coil 62 and/or the connecting wire of the second linear motor coil 72, wherein the drag chain 101 is fixed on the intermediate connecting plate 2;
and a drag chain base plate 102 for guiding the movement of the drag chain 101, wherein the drag chain base plate 102 is fixed on the lower base plate 1.
In this embodiment, the drag chain 101 also tightens the connection lines of the first grating scale read head 82 and the connection lines of the second grating scale read head 84.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (7)
1. A two-axis motion platform for biomedical detection is characterized in that,
it includes:
a lower floor (1);
the middle connecting plate (2) is longitudinally and slidably matched on the lower bottom plate (1);
the upper loading plate (3) is transversely matched on the middle connecting plate (2) in a sliding manner;
the transverse moving driving mechanism comprises a transverse magnetic plate (61) fixed on the upper loading plate (3) and a first linear motor coil (62) fixed on the middle connecting plate (2) and matched with the transverse magnetic plate (61), and when the first linear motor coil (62) is electrified, an interaction force is generated between the first linear motor coil (62) and the transverse magnetic plate (61) to push the transverse magnetic plate (61) and the upper loading plate (3) to move along the transverse direction;
the longitudinal movement driving mechanism comprises a longitudinal magnetic plate (71) fixed on the middle connecting plate (2) and a second linear motor coil (72) fixed on the lower base plate (1) and matched with the longitudinal magnetic plate (71), and when the second linear motor coil (72) is electrified, the second linear motor coil (72) and the longitudinal magnetic plate (71) generate interaction to push the longitudinal magnetic plate (71) and the middle connecting plate (2) to move longitudinally.
2. The two-axis motion platform for biomedical detection according to claim 1,
the middle connecting plate (2) is matched on the lower bottom plate (1) in a sliding mode through a longitudinal crossed ball bearing guide rail assembly, the longitudinal crossed ball bearing guide rail assembly comprises two longitudinal crossed ball bearing guide rails (4) which are mutually coupled, one longitudinal crossed ball bearing guide rail (4) is fixed on the lower bottom plate (1), and the other longitudinal crossed ball bearing guide rail (4) is fixed on the middle connecting plate (2);
and/or the loading plate (3) is matched on the middle connecting plate (2) in a sliding way through a transverse cross ball guide rail assembly, the transverse cross ball guide rail assembly comprises two transverse cross ball guide rails (5) which are coupled with each other, one transverse cross ball guide rail (5) is fixed on the middle connecting plate (2), and the other transverse cross ball guide rail (5) is fixed on the loading plate (3).
3. The two-axis motion platform for biomedical detection according to claim 1,
further comprising:
the first grating scale system is used for reading the transverse moving distance of the upper loading plate (3), and comprises a first grating scale (81) which is fixed on the upper loading plate (3) to move along with the upper loading plate (3) and is parallel to the transverse direction and a first grating scale reading head (82) which is fixed on the intermediate connecting plate (2) and is used for reading scales on the first grating scale (81).
4. The two-axis motion platform for biomedical detection according to claim 1,
further comprising:
and the second grating ruler (83) system is used for reading the longitudinal movement distance of the intermediate connecting plate (2), and comprises a second grating ruler (83) which is fixed on the intermediate connecting plate (2) to move along with the intermediate connecting plate (2) and is parallel to the longitudinal direction and a second grating ruler reading head (84) which is fixed on the lower base plate (1) and is used for reading scales on the second grating ruler (83).
5. The two-axis motion platform for biomedical detection according to claim 1,
further comprising:
the first limiting assembly is arranged between the middle connecting plate (2) and the upper loading plate (3) and is used for limiting the transverse moving stroke of the upper loading plate (3);
and/or a second limiting assembly which is arranged between the lower bottom plate (1) and the middle connecting plate (2) and is used for limiting the longitudinal moving stroke of the middle connecting plate (2).
6. The two-axis motion platform for biomedical detection according to claim 5,
the first limiting assembly comprises at least one first limiting seat (91) fixed on the middle connecting plate (2) and a first limiting stop block (92) fixed on the upper carrying plate (3) and used for being abutted against the first limiting seat (91) to limit the movement of the upper carrying plate (3) in the process that the first limiting seat moves along with the upper carrying plate (3);
and/or the second limiting assembly comprises at least one second limiting seat (93) fixed on the lower base plate (1) and a second limiting stop block (94) fixed on the middle connecting plate (2) and used for being abutted against the second limiting seat (93) to limit the movement of the second limiting seat (93) in the process of moving along with the middle connecting plate (2).
7. The two-axis motion platform for biomedical detection according to claim 3,
further comprising:
the drag chain (101) is used for tightening the connecting line of the first linear motor coil (62) and/or the connecting line of the second linear motor coil (72), and the drag chain (101) is fixed on the middle connecting plate (2);
a drag chain bottom plate (102) for guiding the movement of the drag chain (101), the drag chain bottom plate (102) being fixed on the lower bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020008250.0U CN211121080U (en) | 2020-01-04 | 2020-01-04 | Two-axis motion platform for biomedical detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020008250.0U CN211121080U (en) | 2020-01-04 | 2020-01-04 | Two-axis motion platform for biomedical detection |
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| Publication Number | Publication Date |
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| CN211121080U true CN211121080U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020008250.0U Active CN211121080U (en) | 2020-01-04 | 2020-01-04 | Two-axis motion platform for biomedical detection |
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| CN (1) | CN211121080U (en) |
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- 2020-01-04 CN CN202020008250.0U patent/CN211121080U/en active Active
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