CN117775739A - Wireless magnetic drive track transmission device - Google Patents
Wireless magnetic drive track transmission device Download PDFInfo
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- CN117775739A CN117775739A CN202311766044.0A CN202311766044A CN117775739A CN 117775739 A CN117775739 A CN 117775739A CN 202311766044 A CN202311766044 A CN 202311766044A CN 117775739 A CN117775739 A CN 117775739A
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- guide rail
- base
- driving module
- drive track
- transmission device
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention discloses a wireless magnetic drive track transmission device which comprises a guide device, a stator device, a rotor and at least one rotor, wherein the rotor is arranged on a guide rail, and can move in a translational mode along the direction of the guide rail through a roller wheel which is arranged on the rotor and is matched with the guide rail, the rotor can move independently or be linked, and an electromagnetic element is arranged at a position corresponding to a magnet element. The guide rail is a closed curve, the mover and the materials borne on the mover can circulate on the closed curve along the guide rail, the number of the movers is multiple, the movers can independently move and can also link, the individualized requirements of the operation of the materials on the complex assembly line can be met, and the application range is wide.
Description
Technical Field
The invention relates to the field of conveying equipment, in particular to a wireless magnetic drive track transmission device.
Background
In the existing magnetic drive track transmission system, a moving coil type linear motor is mostly adopted for driving, and the magnetic drive track transmission system mainly comprises a permanent magnet array, a position sensing device and a rotor comprising coils. The current generates a magnetic field through the coil, so that interaction force is generated with the permanent magnet array to move, and the position detection device obtains data such as the position speed of the movement and the like to control the control system, so that the device has higher positioning precision and dynamic response performance.
For example, CN116654628A discloses a magnetic levitation circulation line circulation device, which has the following advantages: 1. through setting up track switching mechanism, with the whole backward flow that can accomplish of the magnetic drive tool of the backward flow transmission mechanism that only has the single channel of needs backward flow on the transmission line of binary channels, need not to correspond the transmission line of binary channels and set up the backward flow line of binary channels, saved the manufacturing cost of equipment, and the spatial layout of the backward flow line of single channel than the backward flow line of binary channels is simpler, and more convenient personnel operate in subsequent maintenance process, consequently, have equipment low in production cost, the convenient advantage of later maintenance. 2. Through setting up first backward flow slide rail and linking the third buffering magnetic drive track, make backward flow track use cost lower slide rail, make the manufacturing cost of circulation device reduce. 3. Through setting up the balancing weight, balanced magnetism drives the gravity after the tool gets into magnetism and drives the elevating platform, then the load that drives magnetism and drive the elevating platform is littleer, need not to dispose the higher lift drive unit of cost of load, reduction in production cost of device.
However, the existing magnetic drive track transmission system is poor in flexibility, each rotor needs to be powered and communicated through a cable, the application range is limited, the track cannot be closed, only simple linear reciprocating motion can be performed, and the efficiency is low.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a wireless magnetic drive track transmission device.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a wireless magnetic drive track transfer device, comprising:
the guide device comprises a base and two parallel guide rails which are arranged on the base and are in a closed curve, and the guide device comprises a straight line section part and an arc section part; the two guide rails are respectively a first guide rail of the outer ring and a second guide rail of the inner ring;
the stator device consists of a straight-line section stator and an arc section stator and comprises a plurality of magnet elements, wherein the magnet elements are arranged between two guide rails and are uniformly distributed on the base at intervals along the two guide rails;
the movable element is arranged on the guide rail, and can move independently or in linkage through a roller wheel arranged on the movable element and matched with the guide rail along the direction of the guide rail, and an electromagnetic element is arranged at a position corresponding to the magnet element.
The guide rail is a closed curve, the mover and the materials borne on the mover can circulate on the closed curve along the guide rail, the number of the movers is multiple, the movers can independently move and can also link, the individualized requirements of the operation of the materials on the complex assembly line can be met, and the application range is wide.
Further, the magnet element is a permanent magnet, and the stator device further comprises a spacer and an electric sliding contact wire;
the base is provided with grooves which are distributed at intervals, and the depth of each groove is equal to the height of the permanent magnet;
the permanent magnets are arranged in the grooves of the base at set intervals through the spacers, and are arranged in parallel with the first guide rail and keep a certain distance.
Further, the stator device further comprises a protective cover plate, and the protective cover plate is fixed on the base and used for shielding and assisting in fixing the permanent magnet.
Further, the base is of a closed annular structure consistent with the guide rail, and the cross section of the base is concave; the stator device also comprises a magnetic grating ruler, wherein the magnetic grating ruler is arranged on the vertical wall surface of the base, is parallel to the first guide rail and the second guide rail and is used for generating magnetic field signals and detecting the position of the rotor; the first guide rail and the second guide rail are respectively arranged on two convex surfaces of the concave shape of the base.
Further, the electric power sliding contact line is arranged on the inner side wall surface of the annular structure of the base, is parallel to the guide rail, and consists of 4 electric power lines, wherein two lines are used for supplying power to the rotor, and the other two lines are used for communicating with the rotor.
Further, the mover comprises a base, a driving module and a current collector, wherein the driving module is fixed on the base and comprises a driving coil and an iron core, and the driving coil is controlled by a driving circuit to generate traveling wave magnetic field to interact with an array formed by the permanent magnets so as to generate driving force; the current collector is fixed on the base through a second connecting piece and is in sliding electric connection with the electric sliding contact wire and used for supplying power and communicating with the rotor 3.
Further, the opposite outer sides of the first guide rail and the second guide rail are provided with guide grooves, and the rollers are horizontally rotatably and adaptively embedded in the grooves.
Buffer rubber pads are also arranged on the front end face and the rear end face of the rotor.
Further, the mover further comprises a position sensor, and the position sensor is fixed on the base through a first connecting piece and corresponds to the position of the magnetic grid ruler.
Further, the position sensor is arranged on a connecting line of the center of the driving module along the track direction and the arc center and is used for detecting the center position of the driving module.
Further, when the driving module is positioned at the straight section part of the guide rail, the central axis of the driving module coincides with the central axis of the array formed by the permanent magnets; when the driving module is positioned at the arc section of the guide rail, the central axis of the driving module is tangent to the central line of the array formed by the permanent magnets, and the tangent point is the central point of the central axis.
Further, in a period of time, when the driving module moves in the straight line section of the guide rail, the displacement distance detected by the position sensor is L1, and the actual displacement distance of the driving module is X1, wherein L1 and X1 are equal; when the driving module moves on the arc section of the guide rail, the displacement distance detected by the position sensor is L2, the actual displacement distance of the driving module is X2, and the calculation formula is as follows:
L2＝R1×θ
X2＝R2×θ
when the straight line section and the circular arc section are used for crossing points, the displacement data L obtained by the position sensor is multiplied by a correction coefficient a, the corrected displacement X is obtained by calculation, and the calculation formula is as follows:
X＝L×a
drawings
FIG. 1 is a schematic diagram of a wireless magnetic drive track transfer apparatus according to the present invention;
FIG. 2 is a schematic view of a straight section portion of a stator assembly;
FIG. 3 is a partial schematic view of a circular segment of a stator assembly;
FIG. 4 is a schematic view of the mover and rail adaptation;
fig. 5 is a schematic diagram of a cross section of a wireless magnetic track.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, a wireless magnetic drive track transmission device includes:
the guide device 1 comprises a base 4 and two parallel and closed curve guide rails arranged on the base 4, wherein the guide device 1 comprises a straight line section part and an arc section part; the two guide rails are respectively a first guide rail 5 of the outer ring and a second guide rail 6 of the inner ring;
the stator device 2 consists of a straight-line section stator and an arc section stator, and comprises a plurality of magnet elements, wherein the magnet elements are arranged between two guide rails and are uniformly distributed on the base 4 at intervals along the two guide rails;
and at least one rotor 3, wherein the rotor 3 is arranged on the guide rail, and can move independently or be linked through a roller 16 which is arranged on the rotor 3 and is matched with the guide rail along the direction of the guide rail, and an electromagnetic element is arranged at a position corresponding to the magnet element.
The guide rail is a closed curve, the mover and the materials borne on the mover can circulate on the closed curve along the guide rail, the number of the movers is multiple, the movers can independently move and can also link, the individualized requirements of the operation of the materials on the complex assembly line can be met, and the application range is wide.
As shown in fig. 2, in some embodiments, the magnet element is a permanent magnet 7, and the stator arrangement further comprises a spacer 11 and an electrical trolley line 10; the permanent magnet 7 can also be replaced by a battery coil, but the permanent magnet is simpler. The electric sliding contact line is a plurality of mutually insulated conductors, part of which is communicated with an external power supply to supply power to the mover, and the other part of which is in signal connection with an external controller and is used for communicating with the mover to control the mover. Through the electric signal transmission mode of the sliding contact, the defect that electric signal connection is carried out by adopting a cable can be overcome (only reciprocating linear motion is possible, otherwise the problem of cable winding is difficult to solve).
In some embodiments the base 4 is provided with grooves arranged at intervals, preferably with a groove depth equal to the height of the permanent magnets 7; the permanent magnets 7 are arranged in the grooves of the base 4 at set intervals by the spacers 11, and the permanent magnets 7 are arranged in parallel with the first guide rail 5 and at a certain distance. Preferably on the centre line between the two guide rails. The arrangement of the grooves can ensure the accuracy and reliability of the array (string) formed by the permanent magnets 7, and the arrangement of the spacers further improves the spacing accuracy and reliability of the array (string) formed by the permanent magnets 7.
In some embodiments, the stator device 2 further includes a protective cover plate 8 made of a non-magnetic material, where the protective cover plate 8 is fixed on the base 4 to shield and assist in fixing the permanent magnets 7, thereby improving the integrity of the appearance of the apparatus and preventing impurities and dust from possibly affecting the permanent magnet array.
In the example of fig. 1-5, the base 4 is a closed annular structure conforming to the guide rail, the cross section of which is concave; the stator device 2 further comprises a magnetic grating ruler 9, wherein the magnetic grating ruler 9 is arranged on the vertical wall surface of the base 4, is parallel to the first guide rail 5 and the second guide rail 6, is used for generating magnetic field signals and detecting the position of the rotor 3, is a standard component, and is not described in detail in the prior art; the first guide rail 5 and the second guide rail 6 are respectively arranged on two concave convex surfaces of the base 4. The concave bottom of the base is provided with the groove along the central axis, the permanent magnet 7 and the spacer 11 are paved in the groove, preferably the upper surface of the permanent magnet is flush with the upper edge of the groove, and then the protective cover plate 8 is paved and fixed at the concave bottom of the base, so that the groove is completely shielded, as shown in fig. 5.
In some embodiments, the electric sliding contact line 10 is arranged on the inner side wall surface of the annular structure of the base 4, is parallel to the guide rail, and consists of 4 electric lines, wherein two lines are used for supplying power to the mover, and the other two lines are used for communicating with the mover.
In the example of fig. 5, the mover 3 includes a base 22, a driving module 13, and a current collector 14 adapted to the power trolley line 10, the driving module 13 is fixed on the base 22, the driving module 13 includes a driving coil 19 and an iron core 20, and the driving coil 19 is controlled by a driving circuit to generate a travelling wave magnetic field to interact with an array formed by the permanent magnets 7 to generate a driving force; the current collector 14 is fixed to the base 22 by a second connector 21, and the current collector 14 is slidably and electrically connected to the power trolley line 10 for supplying power and communicating with the mover 3.
The opposite outer sides of the first guide rail 5 and the second guide rail 6 are provided with guide grooves, and the roller 16 is horizontally rotatably and adaptively embedded in the grooves. The design can make the rotor stably and reliably run on the guide rail, keep stable and the space between the driving module 13 and the permanent magnet 7 stable and accurate, and improve the reliability of the system.
In some embodiments, the front and rear end surfaces of the mover 3 are further provided with cushion rubber pads 18, so that the plurality of movers 3 can be effectively buffered when contacting each other, and hard collision is avoided.
In some embodiments, the mover 3 further comprises a position sensor 12, the position sensor 12 being fixed to the base 22 by a first connection 17, corresponding to the position of the magnetic grid ruler 9. In this way, the position of the mover 3 on the guide rail can be determined in real time effectively and reliably.
In a preferred example, the position sensor 12 is disposed on a line connecting the center of the drive module 13 in the track direction and the arc center 23 for detecting the center position of the drive module 13.
As shown in fig. 4, when the driving module 13 is located at the straight section of the guide rail, the central axis 221 of the driving module 13 coincides with the central axis 71 of the array of permanent magnets 7; when the drive module is positioned on the arc section of the guide rail, the central axis 221 of the drive module 13 is tangent to the central axis 71 of the array formed by the permanent magnets 7, and the tangent point is the central point of the central axis 221.
In a period of time, when the driving module 13 moves in the straight line section of the guide rail, the displacement distance detected by the position sensor 12 is L1, and the actual displacement distance of the driving module 13 is X1, wherein L1 and X1 are equal; when the driving module 13 moves in the arc section of the guide rail, the displacement distance detected by the position sensor 12 is L2, the actual displacement distance of the driving module 13 is X2, and the calculation formula is as follows:
K2＝R1×θ
X2＝R2×θ
when the displacement data L obtained by the position sensor 12 is multiplied by a correction coefficient a at the point of intersection of the straight line segment and the circular arc segment, the corrected displacement X is obtained by calculation, and the calculation formula is as follows:
X＝L×a
the foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (11)
1. A wireless magnetic drive track transfer device, comprising:
the guide device (1), the guide device (1) comprises a base (4) and two parallel and closed curve guide rails arranged on the base (4), wherein the guide rails comprise a straight line section part and an arc section part; the two guide rails are respectively a first guide rail (5) of the outer ring and a second guide rail (6) of the inner ring;
the stator device (2) consists of a straight-line section stator and an arc section stator, and comprises a plurality of magnet elements, wherein the magnet elements are arranged between two guide rails and are uniformly distributed on the base (4) at intervals along the two guide rails;
the movable element (3) is arranged on the guide rail, the movable element (3) can move independently or in linkage through a roller (16) which is arranged on the movable element (3) and is matched with the guide rail in a translational motion along the direction of the guide rail, and an electromagnetic element is arranged at the position corresponding to the magnet element.
2. The wireless magnetic drive track transmission device according to claim 1, characterized in that the magnet element is a permanent magnet (7), the stator device further comprising a spacer (11) and an electrical trolley line (10);
the base (4) is provided with grooves which are distributed at intervals, and the depth of each groove is equal to the height of the permanent magnet (7);
the permanent magnets (7) are arranged in the grooves of the base (4) at set intervals by the spacers (11), and the permanent magnets (7) are arranged in parallel with the first guide rail (5) and keep a certain distance.
3. The wireless magnetic drive track transmission device according to claim 2, wherein the stator device (2) further comprises a protective cover plate (8), the protective cover plate (8) being fixed on the base (4) for shielding and assisting in fixing the permanent magnets (7).
4. The wireless magnetic drive track transmission device according to claim 2, wherein the base (4) has a closed annular structure consistent with the guide rail, and the cross section of the base is concave; the stator device (2) further comprises a magnetic grating ruler (9), wherein the magnetic grating ruler (9) is arranged on the vertical wall surface of the base (4) and is parallel to the first guide rail (5) and the second guide rail (6) and used for generating magnetic field signals and detecting the position of the rotor (3); the first guide rail (5) and the second guide rail (6) are respectively arranged on two concave convex surfaces of the base (4).
5. The wireless magnetic drive track transmission device according to claim 3, wherein the electric power sliding contact line (10) is arranged on the inner side wall surface of the annular structure of the base (4), is parallel to the guide rail, and consists of 4 electric power lines, wherein two lines are used for supplying power to the mover, and the other two lines are used for communicating with the mover.
6. The wireless magnetic drive track transmission device according to claim 5, wherein the mover (3) comprises a base (22), a driving module (13) and a current collector (14), the driving module (13) is fixed on the base (22), the driving module (13) comprises a driving coil (19) and an iron core (20), and the driving circuit controls the driving coil (19) to generate travelling wave magnetic field to interact with an array formed by the permanent magnets (7) so as to generate driving force; the current collector (14) is fixed on the base (22) through a second connecting piece (21), and the current collector (14) is in sliding electric connection with the electric sliding contact line (10) and is used for supplying power and communicating with the rotor 3.
7. The wireless magnetic drive track transmission device according to claim 5, wherein the opposite outer sides of the first guide rail (5) and the second guide rail (6) are provided with guide grooves, and the roller (16) is horizontally rotatably fitted in the grooves.
8. The wireless magnetic drive track transmission device according to claim 5, wherein the mover (3) further comprises a position sensor (12), and the position sensor (12) is fixed on the base (22) through the first connecting piece (17) corresponding to the position of the magnetic grating ruler (9).
9. The wireless magnetic drive track transmission device according to claim 8, wherein the position sensor (12) is disposed on a line connecting a center of the drive module (13) along the track direction and the arc center 23, for detecting a center position of the drive module (13).
10. The wireless magnetic drive track transmission device according to claim 8, wherein when the driving module (13) is located at the straight section part of the guide rail, the central axis of the driving module (13) coincides with the central axis of the array of permanent magnets (7); when the driving module is positioned at the arc section part of the guide rail, the central axis of the driving module (13) is tangent to the central line of the array formed by the permanent magnets (7), and the tangent point is the central axis central point.
11. The wireless magnetic drive track transmission device according to claim 10, wherein, in a period of time, when the driving module (13) moves in a straight line section of the guide rail, the displacement distance detected by the position sensor (12) is L1, and the actual displacement distance of the driving module (13) is X1, L1, X1 are equal; when the driving module (13) moves on the arc section of the guide rail, the displacement distance detected by the position sensor (12) is L2, the actual displacement distance of the driving module (13) is X2, and the calculation formula is as follows:
L2＝R1×θ
X2＝R2×θ
when the displacement data L obtained by the position sensor (12) is multiplied by a correction coefficient a at the point of intersection of the straight line segment and the circular arc segment, the corrected displacement X is obtained by calculation, and the calculation formula is as follows:
X＝L×a
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311766044.0A CN117775739A (en) | 2023-12-21 | 2023-12-21 | Wireless magnetic drive track transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311766044.0A CN117775739A (en) | 2023-12-21 | 2023-12-21 | Wireless magnetic drive track transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117775739A true CN117775739A (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311766044.0A Pending CN117775739A (en) | 2023-12-21 | 2023-12-21 | Wireless magnetic drive track transmission device |
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| Country | Link |
|---|---|
| CN (1) | CN117775739A (en) |
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2023
- 2023-12-21 CN CN202311766044.0A patent/CN117775739A/en active Pending
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