CN212413024U - Linear motor driving platform and machining device - Google Patents
Linear motor driving platform and machining device Download PDFInfo
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- CN212413024U CN212413024U CN202020783887.7U CN202020783887U CN212413024U CN 212413024 U CN212413024 U CN 212413024U CN 202020783887 U CN202020783887 U CN 202020783887U CN 212413024 U CN212413024 U CN 212413024U
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Abstract
The utility model provides a linear electric motor drive platform and processingequipment, linear electric motor drive platform includes the yoke hypoplastron, yoke curb plate, yoke upper plate, moves the daughter board, position feedback system, tow chain, linear electric motor active cell and linear electric motor stator row, and yoke upper plate and yoke hypoplastron are relative from top to bottom, the yoke curb plate is connected between yoke upper plate and the yoke hypoplastron, and linear electric motor stator row sets up between yoke upper plate and the yoke hypoplastron, active cell board sliding connection is in on the yoke upper plate, the linear electric motor active cell is fixed move on the daughter board, the one end of tow chain is fixed move on the daughter board, the other end is fixed on the yoke hypoplastron. The utility model discloses a linear electric motor drive platform, linear electric motor active cell and linear electric motor stator row contactless operation each other can not produce friction and wearing and tearing, and long-term operation can not influence the system precision, is applicable to the work occasion that has the requirement to the cleanliness factor.
Description
Technical Field
The utility model relates to a 3C automated processing field especially relates to a linear electric motor drive platform and processingequipment.
Background
The motor-driven mobile platform module is small in size and small in limitation on equipment size due to the small size of the module, and is widely applied to 3C automatic assembly equipment, photoelectric equipment, a plug-in machine, a laminating machine and the like.
The precision of a traditional motor-driven mobile platform module can only be 10um grade, the requirement of high-precision equipment cannot be met, and the speed and the acceleration are limited to some extent, so that the traditional motor-driven mobile platform module is not suitable for the application occasion with high precision and high processing efficiency. The common standard linear motor shaft has larger overall dimension, can not directly replace a motor driving mobile platform module, and needs to design an internal mechanism and change the overall dimension of equipment. In addition, the precision screw rod in the motor-driven moving platform module can generate abrasion after long-term operation, the precision is reduced, and the motor-driven moving platform module is not suitable for occasions with dust-free requirements. Therefore, a compact linear motor platform needs to be designed and developed to meet the above requirements.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the technical problems that a precision screw rod of a traditional motor-driven moving platform module is abraded after long-term operation and precision is reduced are solved, and the linear motor driving platform and the machining device are provided.
The utility model provides a linear motor driving platform, which comprises a magnetic yoke lower plate, a magnetic yoke side plate, a magnetic yoke upper plate, a movable sub-plate, a position feedback system, a drag chain, a linear motor rotor and a linear motor stator row; the upper magnet yoke plate and the lower magnet yoke plate are opposite up and down, the side magnet yoke plate is connected between the upper magnet yoke plate and the lower magnet yoke plate, and the linear motor stator row is arranged between the upper magnet yoke plate and the lower magnet yoke plate; the movable plate is connected to the upper plate of the magnetic yoke in a sliding mode, the linear motor rotor is fixed to the movable plate, one end of the drag chain is fixed to the movable plate, and the other end of the drag chain is fixed to the lower plate of the magnetic yoke; and the position feedback system is used for detecting the displacement of the linear motor rotor.
Optionally, the two linear motor stator rows are arranged in an up-down opposite manner, the upper linear motor stator row is fixed on the lower surface of the upper magnetic yoke plate, and the lower linear motor stator row is fixed on the upper surface of the lower magnetic yoke plate.
Optionally, the linear motor driving platform further comprises a guide rail and a guide rail slider, the guide rail is fixed on the upper surface of the upper plate of the magnetic yoke, the guide rail slider is slidably connected to the guide rail, and the rotor plate is fixed on the guide rail slider.
Optionally, the position feedback system includes a grating ruler and a grating reading head; the upper surface of the magnet yoke upper plate is provided with a low precise trimming surface and a high-precision trimming surface with the height larger than the low precise trimming surface, the grating ruler is attached to the high-precision trimming surface, and the grating reading head is fixed on the moving plate.
Optionally, the guide rail is fixed to the low finishing surface.
Optionally, the linear motor driving platform further comprises a reading head fixing block, the reading head fixing block is fixed on the moving plate, and the grating reading head is fixed on the reading head fixing block.
Optionally, the linear motor driving platform further comprises a drag chain connecting plate and a drag chain supporting plate, the drag chain connecting plate is fixed to the side face of the movable daughter board, one end of the drag chain is fixed to the drag chain connecting plate, the drag chain supporting plate is fixed to the magnetic yoke lower plate, and the other end of the drag chain is fixed to the drag chain supporting plate.
Optionally, the linear motor driving platform further includes a first anti-collision seat and a second anti-collision seat, the first anti-collision seat is fixed between the first end of the upper magnetic yoke plate and the first end of the lower magnetic yoke plate, and the second anti-collision seat is fixed between the second end of the upper magnetic yoke plate and the second end of the lower magnetic yoke plate.
Optionally, linear electric motor drive platform still includes that first dominant force is glued and second dominant force is glued, first dominant force is glued and is fixed first anticollision seat orientation one side of linear electric motor active cell, second dominant force is glued and is fixed second anticollision seat orientation one side of linear electric motor active cell.
The utility model also provides a processingequipment, include linear electric motor drive platform.
According to the utility model discloses linear electric motor drive platform and processingequipment, yoke upper plate and yoke hypoplastron are relative from top to bottom, the yoke curb plate is connected between yoke upper plate and the yoke hypoplastron, the linear electric motor stator row sets up between yoke upper plate and the yoke hypoplastron, move daughter board sliding connection be in on the yoke upper plate, the linear electric motor active cell is fixed move on the daughter board, the one end of tow chain is fixed move on the daughter board, the other end of tow chain is fixed on the yoke hypoplastron. Therefore, the linear motor rotor and the linear motor stator row operate in a non-contact mode, friction and abrasion cannot be generated, system accuracy cannot be influenced after long-term operation, and the linear motor rotor and the linear motor stator row are suitable for working occasions with requirements on cleanliness.
In addition, such setting mode can guarantee that linear motor drive platform's whole length and width size can be about 60mm, if use the linear motor of small-size to move the stator, whole linear motor drive platform's size can be littleer, can provide a small compact linear motor platform in the aspect of the size.
In addition, position feedback system includes grating chi and grating reading head, is used for detecting linear electric motor active cell's displacement, grating chi signal feedback system's position precision about 1um, the promotion that belongs to an order of magnitude in the 10um level of traditional motor drive moving platform module of comparing.
Drawings
Fig. 1 is an overall perspective view of a linear motor driving platform according to an embodiment of the present invention;
fig. 2 is an assembly perspective view of a linear motor driving platform according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. the device comprises a magnetic yoke lower plate 2, a magnetic yoke side plate 3, a magnetic yoke upper plate 4, a rotor plate 5, a position feedback system 5-1, a grating ruler 5-2, a grating reading head 6, a drag chain 7, a linear motor rotor 8, a linear motor stator row 9, a guide rail 10, a guide rail slide block 11, a reading head fixing block 12, a drag chain connecting plate 13, a drag chain supporting plate 14, a first anti-collision seat 15, a second anti-collision plate 16, first high-performance rubber 17, second high-performance rubber
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the utility model discloses a linear electric motor drive platform of embodiment, including yoke hypoplastron 1, yoke curb plate 2, yoke upper plate 3, active cell board 4, position feedback system 5, tow chain, linear electric motor active cell 7 and linear electric motor stator row 8, the reference numeral that can not observe in fig. 1 can combine fig. 2 to see out, yoke upper plate 3 and yoke hypoplastron 1 are relative from top to bottom, yoke curb plate 2 is connected between yoke upper plate 3 and yoke hypoplastron 1, linear electric motor stator row 8 sets up between yoke upper plate 3 and the yoke hypoplastron 1, move daughter board 4 sliding connection on yoke upper plate 3, linear electric motor active cell 7 is fixed move on daughter board 4. The arrangement mode forms a structure of coupling drive of the rotor and the stator of the linear motor drive platform, and when the linear motor runs, the linear motor stator row 8 drives the linear motor rotor 7 to reciprocate due to electromagnetic reaction. One end of the drag chain 6 is fixed on the rotor plate 4, the other end of the drag chain 6 is fixed on the magnet yoke lower plate 1, and the drag chain 6 can perform corresponding following movement and automatic return along with the operation of the rotor plate 4. And the position feedback system 5 is used for detecting the displacement of the linear motor rotor 7.
In one embodiment, the two linear motor stator rows 8 are disposed to be opposite to each other in the up-down direction, the upper one of the linear motor stator rows 8 is fixed to the lower surface of the yoke upper plate 3, and the lower one of the linear motor stator rows 8 is fixed to the upper surface of the yoke lower plate 1. The whole length and width of the linear motor driving platform obtained according to the structure and the arrangement mode can be about 60mm, and if a small-sized linear motor moving stator is used, the whole size can be smaller, so that the replacement of a traditional motor driving moving platform module in the aspect of size is completely feasible.
In an embodiment, the linear motor driving platform further includes a guide rail 9 and a guide rail slider 10, the guide rail 9 is fixed on the upper surface of the yoke upper plate 3, the guide rail slider 10 is slidably connected to the guide rail 9, and the rotor plate 4 is fixed on the guide rail slider 10. According to this arrangement, the rotor plate 4 can smoothly reciprocate on the rail slider 10 along the rail 9.
In one embodiment, as shown in fig. 2, the position feedback system 5 includes a grating ruler 5-1 and a grating reading head 5-2; the upper surface of the magnet yoke upper plate 3 is provided with a low fine trimming surface and a high-precision trimming surface with the height larger than the low fine trimming surface, the grating ruler 5-1 is attached to the high-precision trimming surface, and the grating reading head 5-2 is fixed on the moving plate 4. According to the arrangement mode, the high-precision trimming and low-precision trimming structure is reasonable in arrangement, and the grating ruler 5-1 and the grating reading head 5-2 are matched with each other to form a measuring system with high position measurement precision, so that the position precision of the position feedback system 5 can be guaranteed to be about 1 um.
In one embodiment, the guide rail 4 is fixed to the low profile. Such an arrangement prevents interference between the guide rail 4 and the structure provided on the high-precision finishing surface.
In an embodiment, as shown in fig. 2, the linear motor driving platform further includes a reading head fixing block 11, the reading head fixing block 11 is fixed on the moving plate 4, and the grating reading head 5-2 is fixed on the reading head fixing block 11.
In an embodiment, the linear motor driving platform further includes a drag chain connecting plate 12 and a drag chain supporting plate 13, the drag chain connecting plate 12 is fixed to a side surface of the movable fender 4, one end of the drag chain 6 is fixed to the drag chain connecting plate 12, the drag chain supporting plate 13 is fixed to the magnetic yoke lower plate 1, and the other end of the drag chain 6 is fixed to the drag chain supporting plate 13. Therefore, the drag chain 6 with two fixed ends can reciprocate and return along with the motion of the rotor plate 4.
In an embodiment, the linear motor driving platform further includes a first anti-collision seat 14 and a second anti-collision seat 15, the first anti-collision seat 14 is fixed between the first end of the upper yoke plate 3 and the first end of the lower yoke plate 1, and the second anti-collision seat 15 is fixed between the second end of the upper yoke plate 3 and the second end of the lower yoke plate 1.
In an embodiment, the linear motor driving platform further includes a first high-performance adhesive 16 and a second high-performance adhesive 17, the first high-performance adhesive 16 is fixed on one side of the first anti-collision seat 14 facing the linear motor rotor 7, and the second high-performance adhesive 17 is fixed on one side of the second anti-collision seat 15 facing the linear motor rotor 7. Because the setting of first and second anticollision seat to and the first and second friction rubber that sets up on it can make the daughter board 4 produce the buffering in the extreme position of operation well, guaranteed linear electric motor drive platform's even running.
Additionally, the utility model also provides a processingequipment, including the linear electric motor drive platform of above-mentioned embodiment.
The utility model discloses linear electric motor drive platform at the during operation, the inside electromagnetic induction who produces of linear electric motor can make 8 drive linear electric motor active cells 7 of linear electric motor stator row carry out the back and forth movement, and 7 rows of drive linear electric motor active cells move daughter board 4 and also carry out reciprocating motion simultaneously, and the one end of tow chain 6 is fixed move on the daughter board 4, the other end of tow chain 6 is fixed on the yoke hypoplastron 1, corresponding follow motion and self return can be carried out along with the operation that moves daughter board 4 to tow chain 6. Therefore, the linear motor rotor 7 and the linear motor stator row 8 run in a non-contact mode, friction and abrasion cannot be generated, system accuracy cannot be influenced after long-term running, and the linear motor rotor and stator row are suitable for working occasions with requirements on cleanliness.
In addition, such setting mode can guarantee that linear motor drive platform's whole length and width size can be about 60mm, if use the linear motor of small-size to move the stator, whole linear motor drive platform's size can be littleer, can provide a small compact linear motor platform in the aspect of the size.
In addition, grating reading head 5-2 can cooperate grating chi 5-1 to constitute the position feedback system that position measurement accuracy is high to can guarantee that position feedback system's position accuracy is about 1um, compare in the promotion that 10um level of traditional motor drive moving platform module belongs to an order of magnitude.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. Such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A linear motor driving platform is characterized by comprising a magnetic yoke lower plate, a magnetic yoke side plate, a magnetic yoke upper plate, a movable plate, a position feedback system, a drag chain, a linear motor rotor and a linear motor stator row;
the upper magnet yoke plate and the lower magnet yoke plate are opposite up and down, the side magnet yoke plate is connected between the upper magnet yoke plate and the lower magnet yoke plate, and the linear motor stator row is arranged between the upper magnet yoke plate and the lower magnet yoke plate;
the movable plate is connected to the upper plate of the magnetic yoke in a sliding mode, the linear motor rotor is fixed to the movable plate, one end of the drag chain is fixed to the movable plate, and the other end of the drag chain is fixed to the lower plate of the magnetic yoke;
and the position feedback system is used for detecting the displacement of the linear motor rotor.
2. The linear motor driving platform as claimed in claim 1, wherein the linear motor stator rows are provided in two opposite upper and lower directions, an upper one of the linear motor stator rows being fixed to a lower surface of the yoke upper plate, and a lower one of the linear motor stator rows being fixed to an upper surface of the yoke lower plate.
3. The linear motor drive platform of claim 1, further comprising a guide rail fixed to an upper surface of the upper plate of the yoke, and a guide rail slider slidably coupled to the guide rail, the rotor plate being fixed to the guide rail slider.
4. The linear motor drive platform of claim 3, wherein the position feedback system comprises a grating scale and a grating reading head;
the upper surface of the magnet yoke upper plate is provided with a low precise trimming surface and a high-precision trimming surface with the height larger than the low precise trimming surface, the grating ruler is attached to the high-precision trimming surface, and the grating reading head is fixed on the moving plate.
5. The linear motor drive platform of claim 4 wherein the guide rails are fixed to the low profile.
6. The linear motor drive platform of claim 4, further comprising a read head fixing block, wherein the read head fixing block is fixed on the moving plate, and the grating read head is fixed on the read head fixing block.
7. The linear motor driving platform according to claim 1, further comprising a drag chain connecting plate and a drag chain supporting plate, wherein the drag chain connecting plate is fixed to a side surface of the movable fender, one end of the drag chain is fixed to the drag chain connecting plate, the drag chain supporting plate is fixed to the yoke lower plate, and the other end of the drag chain is fixed to the drag chain supporting plate.
8. The linear motor drive platform of claim 1 further comprising a first bump stop secured between the first end of the yoke upper plate and the first end of the yoke lower plate and a second bump stop secured between the second end of the yoke upper plate and the second end of the yoke lower plate.
9. The linear motor driving platform of claim 8, further comprising a first high-power adhesive and a second high-power adhesive, wherein the first high-power adhesive is fixed on a side of the first anti-collision base facing the linear motor rotor, and the second high-power adhesive is fixed on a side of the second anti-collision base facing the linear motor rotor.
10. A processing apparatus comprising a linear motor driven platform as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020783887.7U CN212413024U (en) | 2020-05-12 | 2020-05-12 | Linear motor driving platform and machining device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020783887.7U CN212413024U (en) | 2020-05-12 | 2020-05-12 | Linear motor driving platform and machining device |
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| CN212413024U true CN212413024U (en) | 2021-01-26 |
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| CN202020783887.7U Active CN212413024U (en) | 2020-05-12 | 2020-05-12 | Linear motor driving platform and machining device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130699A1 (en) * | 2022-01-04 | 2023-07-13 | 深圳市魔舞科技有限公司 | Reciprocating mechanism capable of driving synchronous belt by forward and reverse rotation of motor |
-
2020
- 2020-05-12 CN CN202020783887.7U patent/CN212413024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130699A1 (en) * | 2022-01-04 | 2023-07-13 | 深圳市魔舞科技有限公司 | Reciprocating mechanism capable of driving synchronous belt by forward and reverse rotation of motor |
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