CN219436841U - Linear motor with stroke extension - Google Patents
Linear motor with stroke extension Download PDFInfo
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- CN219436841U CN219436841U CN202320775214.0U CN202320775214U CN219436841U CN 219436841 U CN219436841 U CN 219436841U CN 202320775214 U CN202320775214 U CN 202320775214U CN 219436841 U CN219436841 U CN 219436841U
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- extension
- driving
- sliding seat
- base
- linear
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Abstract
The utility model relates to the technical field of linear transmission, in particular to a linear motor with stroke extension, which comprises a base, a linear guide rail and a stator group which are arranged on the surface of the base, a sliding seat which is slidably arranged on the linear guide rail, a rotor group which is arranged on the sliding seat and is used for being matched with the stator group, a first extension driving element which is arranged on the sliding seat, and a second extension driving element which is arranged on the base and is used for being matched with the first extension driving element, wherein the linear guide rail is arranged on the surface of the base; the linear guide rail is provided with an extension section, and the first extension driving element is used for being matched with the second extension driving element so that the sliding seat slides on the extension section. The utility model solves the problem that the stroke of the conventional linear motor module is limited during linear transmission, is suitable for environments such as limited equipment space, insufficient formation of the linear motor and the like, and can prolong the stroke of linear transmission.
Description
Technical Field
The utility model relates to the technical field of linear transmission, in particular to a linear motor with stroke extension.
Background
The linear motor is a driver which directly converts electric energy into mechanical energy of linear motion, and compared with a traditional driver, the linear motor can realize linear driving without a transmission structure, and has the advantages of simple structure, small loss, high precision and high efficiency.
In the conventional linear motor, the linear transmission stroke is limited in the linear transmission process. In the linear transmission process, some positions with limited space cannot be extended, so that the stroke is limited, and the transmission use is affected.
Disclosure of Invention
In order to solve the problems, the utility model provides the linear motor with the extension of the travel, which solves the problem that the travel of the conventional linear motor module is limited during linear transmission, is suitable for environments such as limited equipment space, insufficient formation of the linear motor and the like, and can prolong the travel of the linear transmission.
The technical scheme adopted by the utility model is as follows: a linear motor with stroke extension comprises a base, a linear guide rail and a stator set which are arranged on the surface of the base, a sliding seat which is slidably arranged on the linear guide rail, a rotor set which is arranged on the sliding seat and is used for being matched with the stator set, a first extension driving element which is arranged on the sliding seat, and a second extension driving element which is arranged on the base and is used for being matched with the first extension driving element; the linear guide rail is provided with an extension section, and the first extension driving element is used for being matched with the second extension driving element so that the sliding seat slides on the extension section.
According to the scheme, the induction magnetic grating ruler is arranged on one side of the base, and the sliding seat is provided with a magnetic grating induction sheet corresponding to the induction magnetic grating ruler.
According to the technical scheme, the grating sensor is arranged on one surface of the base, which is far away from the induction magnetic grating ruler, and the grating sensor sheet is arranged on the sliding seat corresponding to the grating sensor.
The further improvement to above-mentioned scheme does, the one end that the extension was kept away from to the base is equipped with the terminal surface baffle, the fixing base is installed to the terminal surface baffle, the fixing base is used for fixed linear guide, the blotter is installed towards the sliding seat one side to the fixing base.
The technical scheme is further improved in that the two groups of the linear guide rails are arranged, the two groups of the linear guide rails are arranged on two sides of the surface of the base, and the stator group is arranged between the two groups of the linear guide rails; the rotor group is arranged on the lower surface of the sliding seat, and one surface of the rotor group faces the stator group.
In a further development of the above-described embodiment, the extension is integrally formed on the linear guide rail.
The further improvement of the scheme is that the first extension driving element comprises a connecting seat and a driving rack arranged on the connecting seat, the second extension driving element comprises a supporting frame, a driving motor arranged on the supporting frame and a driving gear connected to the driving motor, and the driving gear is meshed with the driving rack.
A further improvement of the scheme is that the direction of the driving rack towards the driving gear is provided with a guiding inclined plane.
The technical scheme is further improved in that the connecting seat is provided with a connecting shaft, one end of the connecting shaft is connected with the driving rack, and a buffer spring is arranged between the connecting shaft and the driving rack.
The driving motor is a direct current motor.
The beneficial effects of the utility model are as follows:
compared with the conventional linear motor, the linear motor has the advantages that the stator group and the rotor group are matched to drive the sliding seat to slide along the linear guide rail, when the sliding seat slides to the extension section, the first extension driving element is matched with the second extension driving element to drive the sliding seat to slide at the extension section, so that an extension transmission stroke is formed, the problem that the conventional linear motor module is limited in stroke during linear transmission is solved, the linear motor is suitable for environments such as limited equipment space, insufficient linear motor formation and the like, and the linear transmission stroke can be prolonged.
In the process of extension driving, the first extension driving element comprises a connecting seat and a driving rack arranged on the connecting seat, the second extension driving element comprises a supporting frame, a driving motor arranged on the supporting frame and a driving gear connected with the driving motor, and the driving gear is meshed with the driving rack; specifically, when the sliding seat slides to be close to the extension section, the driving rack is meshed with the driving gear, and then the driving gear rotates under the action of the driving motor, so that the driving rack drives the sliding seat to slide on the extension section to form extension driving.
Drawings
FIG. 1 is a schematic perspective view of a linear motor with stroke extension according to the present utility model;
FIG. 2 is a schematic perspective view of the linear motor of FIG. 1 with extended stroke at another view angle;
FIG. 3 is a schematic view of a portion of the linear motor with stroke extension of FIG. 1;
fig. 4 is a schematic view of the linear motor with stroke extension in fig. 1 in use.
Reference numerals illustrate: the magnetic grating sensor comprises a base 1, a magnetic grating ruler 11, a grating sensor 12, an end baffle 13, a fixed seat 14, a buffer pad 141, a linear guide rail 2, an extension section 21, a stator group 3, a sliding seat 4, a magnetic grating sensing piece 41, a grating sensing piece 42, a rotor group 5, a first extension driving element 6, a connecting seat 61, a connecting shaft 611, a driving rack 62, a guiding inclined surface 621, a second extension driving element 7, a supporting frame 71, a driving motor 72 and a driving gear 73.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 1 to 4, in one embodiment of the present utility model, there is provided a linear motor with stroke extension, provided with a base 1, a linear guide rail 2 and a stator assembly 3 mounted on a surface of the base 1, a slide block 4 slidably mounted on the linear guide rail 2, a mover assembly 5 mounted on the slide block 4 and adapted to be engaged with the stator assembly 3, a first extension driving member 6 mounted on the slide block 4, and a second extension driving member 7 mounted on the base 1 and adapted to be engaged with the first extension driving member 6; the linear guide rail 2 is provided with an extension 21, and the first extension drive element 6 is adapted to cooperate with the second extension drive element 7 such that the slide mount 4 slides on the extension 21.
An induction magnetic grating ruler 11 is arranged on one side of the base 1, a magnetic grating induction sheet 41 is arranged on the sliding seat 4 corresponding to the induction magnetic grating ruler 11, and further improvement is that a grating sensor 12 is arranged on one surface of the base 1 far away from the induction magnetic grating ruler 11, and a grating induction sheet 42 is arranged on the sliding seat 4 corresponding to the grating sensor 12; in this embodiment, the magnetic grating ruler 11 is used for sensing the size data to read the travel during the extension transmission, and the grating sensor 12 is used for light sensing to sense the position of the sliding seat 4.
The base 1 is kept away from the one end of extension 21 and is equipped with terminal surface baffle 13, the fixing base 14 is installed to terminal surface baffle 13, fixing base 14 is used for fixed linear guide 2, the blotter 141 is installed towards sliding seat 4 one side to fixing base 14, sets up terminal surface baffle 13 and fixing base 14 and is used for buffering spacing to the terminal surface, conveniently carries out the transmission buffering to sliding seat 4.
The linear guide rails 2 are provided with two groups, the two groups of the linear guide rails 2 are arranged on two sides of the surface of the base 1, and the stator group 3 is arranged between the two groups of the linear guide rails 2; the mover group 5 is installed on the lower surface of the sliding seat 4, one surface of the mover group 5 faces the stator group 3, in this embodiment, two groups of linear guide rails 2 are adopted for linear transmission, and the transmission precision is high and the stability is good.
The extension section 21 is integrally formed on the linear guide rail 2, and adopts an integrally formed structure, so that the structure precision is high, and the extension transmission stability is good.
During the extension driving, the first extension driving element 6 includes a connection seat 61 and a driving rack 62 mounted on the connection seat 61, and the second extension driving element 7 includes a support 71, a driving motor 72 mounted on the support 71, and a driving gear 73 connected to the driving motor 72, and the driving gear 73 is engaged with the driving rack 62; specifically, when the sliding seat 4 slides to approach the extension section 21, the driving rack 62 is meshed with the driving gear 73, and then the driving gear 73 rotates under the action of the driving motor 72, so that the driving rack 62 drives the sliding seat 4 to slide on the extension section 21 to form extension driving.
The connecting seat 61 is provided with a connecting shaft 611, one end of the connecting shaft 611 is connected with the driving rack 62, a buffer spring (not shown in the figure) is arranged between the connecting shaft 611 and the driving rack 62, the connecting shaft 611 and the buffer spring (not shown in the figure) are provided for playing a role in buffering when the gears are matched, the buffer clearance is 0.2-0.6 mm, a certain movable space is also provided while stable driving is ensured, and the two teeth are more stable when engaged.
The driving rack 62 is provided with a guiding inclined surface 621 towards the driving gear 73, and in this embodiment, the guiding inclined surface 621 is used for guiding the driving rack 62 when matching with the driving gear 73, so that the driving rack 62 is convenient to fit when matching with the driving gear 73.
The drive motor 72 is a direct current motor which is rotatable when not energized, that is, when not energized before the drive gear 73 and the drive rack 62 are engaged, and when prolonged drive is required after engagement, energized drive is performed.
According to the utility model, the stator group 3 and the rotor group 5 are matched to drive the sliding seat 4 to slide along the linear guide rail 2, when the sliding seat slides to the extension section 21, the first extension driving element 6 is matched with the second extension driving element 7 to drive the sliding seat 4 to slide on the extension section 21, so that an extension transmission stroke is formed, the problem that the conventional linear motor module is limited in stroke during linear transmission is solved, the linear motor module is suitable for environments such as limited equipment space, insufficient linear motor formation and the like, and the linear transmission stroke can be prolonged.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A linear motor with stroke extension is characterized in that: the linear guide rail and stator assembly comprises a base, a linear guide rail and stator assembly arranged on the surface of the base, a sliding seat slidably arranged on the linear guide rail, a rotor assembly arranged on the sliding seat and used for being matched with the stator assembly, a first extension driving element arranged on the sliding seat, and a second extension driving element arranged on the base and used for being matched with the first extension driving element; the linear guide rail is provided with an extension section, and the first extension driving element is used for being matched with the second extension driving element so that the sliding seat slides on the extension section.
2. The linear motor with stroke extension as recited in claim 1, wherein: an induction magnetic grating ruler is arranged on one side of the base, and a magnetic grating induction sheet is arranged on the sliding seat corresponding to the induction magnetic grating ruler.
3. The linear motor with stroke extension as recited in claim 2, wherein: the grating sensor is installed on one surface of the base, which is far away from the induction magnetic grating ruler, and the grating sensing piece is installed on the sliding seat corresponding to the grating sensor.
4. The linear motor with stroke extension as recited in claim 1, wherein: the base is kept away from the one end of extension and is equipped with the terminal surface baffle, the fixing base is installed to the terminal surface baffle, the fixing base is used for fixed linear guide, the blotter is installed towards the sliding seat one side to the fixing base.
5. The linear motor with stroke extension as recited in claim 1, wherein: the linear guide rails are provided with two groups, the two groups of linear guide rails are arranged on two sides of the surface of the base, and the stator group is arranged between the two groups of linear guide rails; the rotor group is arranged on the lower surface of the sliding seat, and one surface of the rotor group faces the stator group.
6. The linear motor with stroke extension as recited in claim 1, wherein: the extension section is formed on the linear guide rail through an integral molding.
7. The linear motor with stroke extension as recited in claim 1, wherein: the first extension driving element comprises a connecting seat and a driving rack arranged on the connecting seat, the second extension driving element comprises a supporting frame, a driving motor arranged on the supporting frame and a driving gear connected to the driving motor, and the driving gear is meshed with the driving rack.
8. The linear motor with stroke extension as recited in claim 7, wherein: the direction of the driving rack towards the driving gear is provided with a guiding inclined plane.
9. The linear motor with stroke extension as recited in claim 7, wherein: the connecting seat is provided with a connecting shaft, one end of the connecting shaft is connected with the driving rack, and a buffer spring is arranged between the connecting shaft and the driving rack.
10. The linear motor with stroke extension as recited in claim 7, wherein: the driving motor is a direct current motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320775214.0U CN219436841U (en) | 2023-04-10 | 2023-04-10 | Linear motor with stroke extension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320775214.0U CN219436841U (en) | 2023-04-10 | 2023-04-10 | Linear motor with stroke extension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219436841U true CN219436841U (en) | 2023-07-28 |
Family
ID=87341742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320775214.0U Active CN219436841U (en) | 2023-04-10 | 2023-04-10 | Linear motor with stroke extension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219436841U (en) |
-
2023
- 2023-04-10 CN CN202320775214.0U patent/CN219436841U/en active Active
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