CN220382919U - Novel 14# closed loop magnetic braiding stepping motor - Google Patents
Novel 14# closed loop magnetic braiding stepping motor Download PDFInfo
- Publication number
- CN220382919U CN220382919U CN202322028904.2U CN202322028904U CN220382919U CN 220382919 U CN220382919 U CN 220382919U CN 202322028904 U CN202322028904 U CN 202322028904U CN 220382919 U CN220382919 U CN 220382919U
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- China
- Prior art keywords
- magnetism
- magnetic
- braiding
- motor shaft
- motor
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- 238000009954 braiding Methods 0.000 title claims abstract description 26
- 230000005389 magnetism Effects 0.000 claims abstract description 40
- 239000011324 bead Substances 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000006698 induction Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Abstract
The utility model discloses a novel 14# closed-loop magnetic braiding stepping motor, which comprises a motor shaft, a magnetic bead disc, a magnet, a back cover plate, a magnetic braiding seat and a magnetic braiding plate; the left end of the motor shaft is a working end, the right end of the motor shaft is provided with a round hole for inserting a magnetic bead disc, the left end of the magnetic bead disc is a cylinder I matched with the round hole of the motor shaft, the right end of the motor shaft is a cylinder II with the diameter larger than that of the cylinder I, and the inside of the cylinder II is provided with a cylindrical groove for placing a cylindrical magnet; the magnetic bead plate right-hand member installation magnetism is compiled the subassembly, and magnetism marshalling spare is including magnetism and is compiled base and magnetism and is compiled the board, and magnetism is compiled the board and is installed at magnetism and is compiled the base, and magnetism is compiled the base setting and is at the right-hand member of motor, and the backplate is installed on magnetism and is compiled the board right side, fixes on magnetism and compiles the base, and it is fixed to compile the board to magnetism. The utility model ensures that the original motor structure is unchanged, increases magnetic braiding, simplifies the production process, improves the production efficiency, saves the production time, reduces the manufacturing cost and ensures that the product has more competitiveness.
Description
Technical Field
The utility model discloses a novel 14# closed-loop magnetic braiding stepping motor, and belongs to the technical field of stepping motors.
Background
Because the machine body structure of the 14# motor is smaller, the space is compact, only the 14# open-loop stepping motor is available in the market, the future miniature stepping motor will become trend, the 14# closed-loop stepping motor needs to be researched and developed, and the closed-loop scheme adopts two feedback modes of light splitting braiding and magnetic braiding: 1. according to the scheme of the optical encoder, a motor rotating shaft drives a reticle code wheel to rotate, a luminous source is actively excited, and through the rotation of a 'code wheel reticle', the bright and dark conversion of luminous flux occurs behind the code wheel to output an electric signal; 2. according to the scheme of the magnetic encoder, a motor rotating shaft drives a permanent magnet magnetic field to rotate, and a magneto-electric induction sensor receives the change of the peak valley of the magnetic field and outputs an electric signal. Because the No. 14 motor is compact in structure and narrow in space, the magnetic braiding and optical braiding comparison has: few devices, little environmental impact, strong anti-interference capability and the like, and the 14# motor is suitable for adopting a magnetic braiding feedback scheme.
Because the magnetic braiding motor is required to run by magnetic field induction, the motor must be provided with induction magnetic beads, and the traditional magnetic bead installation mode of the stepping motor mainly comprises the following steps: a groove turning mode and a magnetic bead disk mode at the tail end of the rotating shaft. The groove turning mode at the tail end of the rotating shaft has the advantages that the outer diameter of the step rotating shaft is larger than the outer diameter of the magnetic beads, the structural design of the original motor can be changed, the large inner hole bearing is replaced, the structure is complex, and the production process cost of the motor is increased.
Disclosure of Invention
In order to solve the problems, the utility model discloses a novel 14# closed-loop hybrid stepping motor, which adopts a T-shaped magnetic bead disk magnetic braiding scheme to press a magnetic bead disk into a rear rotating shaft hole.
The technical scheme of the utility model is as follows:
a novel 14# closed-loop magnetic braiding stepping motor comprises a motor shaft, a magnetic bead disc, a magnet, a back cover plate, a magnetic braiding seat and a magnetic braiding plate;
the left end of the motor shaft is a working end, the right end of the motor shaft is provided with a round hole for inserting a magnetic bead disc, the magnetic bead disc is of an integrated structure, the left end of the motor shaft is a cylinder I matched with the round hole of the motor shaft, the right end of the motor shaft is a cylinder II with the diameter larger than that of the cylinder I, the inside of the cylinder II is provided with a cylindrical groove for placing a cylindrical magnet to form a magnetic field;
the magnetic bead plate right-hand member installation magnetism marshalling spare, magnetism marshalling spare includes magnetism and compiles base and magnetism and placards, and magnetism placards are installed at magnetism placards base, and magnetism placards base set up the right-hand member at the motor, the backplate is installed on magnetism placards right side, fixes on magnetism placards base, fixes magnetism placards. Preferably, the diameter of the round hole formed in the right end of the motor shaft is 2mm, and the depth is more than 5 mm.
Preferably, each side of the magnetic bead disk is rounded, and the side in the corresponding circular hole in the motor shaft is rounded.
The beneficial effects of the utility model are as follows:
under the condition that the structure of the existing motor is unchanged, a round hole is formed in the rear output shaft of the motor, the magnetic bead disc adopts a T-shaped cross section structure, and the magnetic bead disc is pressed into the round hole of the rear output shaft. The utility model ensures that the original motor structure is unchanged, increases magnetic braiding, simplifies the production process, improves the production efficiency, saves the production time, reduces the manufacturing cost and ensures that the product has more competitiveness.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a schematic diagram of the structure of a magnetic bead disk;
fig. 3 is a schematic structural view of the rotating shaft.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
As shown in FIG. 1, the novel 14# closed-loop magnetic braiding stepping motor comprises a motor shaft 1, a magnetic bead disk 2, a magnet 3, a rear end cover 4, a magnetic braiding seat 5 and a magnetic braiding plate 6;
as shown in fig. 3, the left end of the motor shaft 1 is a working end, the right end is provided with a round hole 1-1 for inserting a magnetic bead disc 2, as shown in fig. 2, the magnetic bead disc 2 is of an integrated structure, the left end is a cylinder I2-1 matched with the round hole of the motor shaft, the right end is a cylinder II 2-2 with the diameter larger than that of the cylinder I2-1, the inside of the cylinder II 2-2 is provided with a cylindrical groove 2-3 for placing a cylindrical magnet 3 so as to form a magnetic field;
the right end installation magnetism marshalling spare of magnetic bead dish 2, magnetism marshalling spare includes magnetism and compiles base 5 and magnetism and plains board 6, and magnetism plains board 6 is installed and is plaited base 5 at magnetism, and magnetism plains base 5 setting is at the right-hand member of motor, backplate 4 is installed on magnetism plains board 6 right side, fixes on magnetism plains base 5, fixes magnetism plains board.
Preferably, the diameter of the circular hole 1-1 formed at the right end of the motor shaft 1 is 2mm, and the depth is more than 5 mm.
Preferably, each side of the magnetic bead disk 2 is rounded, and the corresponding side in the circular hole in the motor shaft 1 is rounded.
According to the scheme provided by the utility model, the magnetic beads can be installed under the condition of not occupying 2 of the internal space of the motor, and the motor rotating shaft also does not need to be modified, so that the universality of the motor structure is greatly ensured, and the 14# is updated from an open-loop scheme to a closed-loop scheme, and only a magnetic grouping piece with the thickness of 13mm is directly added on the original motor. The manufacturing process has the advantages of improving the production efficiency, reducing the production cost of the motor and improving the competitiveness of the product.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (3)
1. A novel 14# closed-loop magnetic braiding stepping motor is characterized by comprising a motor shaft, a magnetic bead disc, a magnet, a back cover plate, a magnetic braiding seat and a magnetic braiding plate;
the left end of the motor shaft is a working end, the right end of the motor shaft is provided with a round hole for inserting a magnetic bead disc, the magnetic bead disc is of an integrated structure, the left end of the motor shaft is a cylinder I matched with the round hole of the motor shaft, the right end of the motor shaft is a cylinder II with the diameter larger than that of the cylinder I, the inside of the cylinder II is provided with a cylindrical groove for placing a cylindrical magnet to form a magnetic field;
the magnetic bead plate right-hand member installation magnetism marshalling spare, magnetism marshalling spare includes magnetism and compiles base and magnetism and placards, and magnetism placards are installed at magnetism placards base, and magnetism placards base set up the right-hand member at the motor, the backplate is installed on magnetism placards right side, fixes on magnetism placards base, fixes magnetism placards.
2. The novel 14# closed-loop magnetic braiding stepper motor according to claim 1, wherein the diameter of the round hole formed in the right end of the motor shaft is 2mm, and the depth is more than 5 mm.
3. The novel 14# closed-loop magnetic braiding stepper motor of claim 1, wherein each edge of the magnetic bead disk is rounded, and the edge in the corresponding circular hole in the motor shaft is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322028904.2U CN220382919U (en) | 2023-07-31 | 2023-07-31 | Novel 14# closed loop magnetic braiding stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322028904.2U CN220382919U (en) | 2023-07-31 | 2023-07-31 | Novel 14# closed loop magnetic braiding stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220382919U true CN220382919U (en) | 2024-01-23 |
Family
ID=89569613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322028904.2U Active CN220382919U (en) | 2023-07-31 | 2023-07-31 | Novel 14# closed loop magnetic braiding stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220382919U (en) |
-
2023
- 2023-07-31 CN CN202322028904.2U patent/CN220382919U/en active Active
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