CN220605750U

CN220605750U - Spliced long-stroke linear motor

Info

Publication number: CN220605750U
Application number: CN202321541996.8U
Authority: CN
Inventors: 莫作明; 何宝检; 杨柱; 傅品富
Original assignee: Shenzhen Shunchang Automation Control Technology Co ltd
Current assignee: Shenzhen Shunchang Automation Control Technology Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-03-15
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses a spliced long-stroke linear motor, which comprises a plurality of bases, wherein the bases are provided with stators and sliding rails, the stators and the sliding rails extend to two ends of the bases, splicing mechanisms are arranged at the two ends of the bases, every two adjacent bases are connected end to end through the splicing mechanisms so as to realize the adjacency of the stators and the sliding rails between the adjacent bases, and the spliced long-stroke linear motor also comprises a rotor capable of reciprocating relative to the stators and a moving platform which is in sliding connection with the sliding rails, wherein the moving platform is connected with the rotor.

Description

Spliced long-stroke linear motor

Technical Field

The utility model relates to the technical field of linear motors, in particular to a spliced long-stroke linear motor.

Background

The linear motor is also called as a linear motor, and as the name implies, the linear motor is a motor capable of generating linear motion, the linear motor converts electric energy into mechanical energy of linear motion, and no intermediate transmission conversion device is needed, so that the linear motor has higher linear motion efficiency than a rotary motor formed by the conversion device, and the linear motor and the rotary motor have the same working principle and all act by virtue of electromagnetic force. Structurally, the linear motor can be regarded as a rotary motor formed by cutting and stretching a rotary motor from the middle into a straight line.

At present, the stroke length of the existing linear motor is less than 6 meters, and the driving stroke of the existing linear motor is fixed and is difficult to change once the motor is manufactured, so that when facing working environments requiring different stroke lengths, different linear motors are required to be equipped, the use cost is increased, and the flexibility is poor.

Disclosure of Invention

The utility model aims at solving the technical problems that once the motor is manufactured, the driving stroke of the motor is fixed and is difficult to change, so that when the motor is faced to working environments requiring different stroke lengths, different linear motors are required to be equipped, the use cost is increased, and the flexibility is poor in the prior art, and provides a spliced long-stroke linear motor.

The utility model discloses a spliced long-stroke linear motor, which comprises a plurality of bases, wherein stators and sliding rails are arranged on the bases, the stators and the sliding rails extend to two ends of the bases, splicing mechanisms are arranged at the two ends of the bases, every two adjacent bases are connected end to end through the splicing mechanisms so as to realize the abutting of the stators and the sliding rails between the adjacent bases, the spliced long-stroke linear motor further comprises a rotor capable of reciprocating relative to the stators and a moving platform in sliding connection with the sliding rails, and the moving platform is connected with the rotor.

Further, the splicing mechanism comprises a mounting part and mounting surfaces arranged at two ends of the base, one end of the mounting part is connected with the mounting surface of one base, and the other end of the mounting part is connected with the mounting surface of the other base, so that the connection between the adjacent bases is realized.

Further, the splicing mechanism further comprises a connecting piece, the mounting surface is arranged on two side arms of the base, limiting holes are formed in the side walls, holes are correspondingly formed in the mounting portions, and the connecting piece penetrates into the holes and is fastened in the limiting holes so as to realize the fixed connection between the mounting portions and the mounting surface.

Further, the stator is provided with an accommodating space inside, one side of the accommodating space forms an open groove, the accommodating space is respectively provided with an upper magnet and a lower magnet on the top wall and the bottom wall, and the rotor penetrates into the accommodating space from the open groove to be arranged between the upper magnet and the lower magnet.

Further, the upper magnet and the lower magnet extend to the front and rear ends of the stator.

Further, the movable platform further comprises a fixing piece, one end of the fixing piece is fixedly connected with the mover, and the other end of the fixing piece is fixedly connected with the movable platform.

Further, a sliding connection part is arranged below the mobile platform, and is provided with a sliding groove which is in sliding connection with the sliding rail.

Further, still include reading head, grating chi, U type photoelectric switch and response piece, the reading head sets up in moving platform's one side, and the grating chi corresponds the setting in one side of base, and the response piece sets up in moving platform's opposite side, and U type photoelectric switch corresponds the setting in the opposite side of base.

Further, the base comprises a left end base unit and a right end base unit, the left end base unit is arranged at the leftmost end between the adjacent bases, the right end base unit is arranged at the rightmost end between the adjacent bases, and the end plates are respectively arranged at the left end of the left end base unit and the right end of the right end base unit.

Further, the end plate is provided with a flexible stop at the side facing the moving platform.

Compared with the prior art, the utility model has the following beneficial technical effects: the bases are provided with the splicing mechanisms, so that adjacent bases can be mutually abutted through the splicing mechanisms, and further, the stators and the sliding rails are further arranged on the bases and extend to the two ends of the bases, when the bases are mutually abutted, the stators and the sliding rails on the bases are mutually abutted, so that the mover can be smoothly transited from the stator on one base to the stator on the other base, and the moving platform is driven to smoothly move from the sliding rail on one base to the sliding rail on the other base, so that the moving platform can move between the mutually abutted bases.

Through the structure, an operator can increase or decrease the base according to the requirements so as to flexibly control the stroke length of the linear motor, so that the linear motor is suitable for different application environments.

Drawings

FIG. 1 is a perspective view of a single base (with a mobile platform disposed therein);

FIG. 2 is a partial enlarged view at A;

FIG. 3 is a schematic view of the abutment of 2 bases;

FIG. 4 is a partial enlarged view at B;

fig. 5 is a cross-sectional view of fig. 4.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first," "second," etc. may explicitly or implicitly include one or more features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or a specific connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-5, the long-stroke linear motor capable of being spliced comprises a plurality of bases 1, wherein stators 11 and sliding rails 12 are arranged on the bases 1, the stators 11 and the sliding rails 12 extend to two ends of the bases 1, splicing mechanisms 2 are arranged at two ends of the bases 1, every two adjacent bases 1 are connected end to end through the splicing mechanisms 2 so as to achieve the abutting of the stators 11 and the sliding rails 12 between the adjacent bases 1, the long-stroke linear motor capable of being spliced further comprises a rotor 13 capable of reciprocating relative to the stators and a moving platform 14 in sliding connection with the sliding rails 12, and the moving platform 14 is connected with the rotor 13.

It can be understood that, since the bases 1 of the present utility model are provided with the splicing mechanism 2 so that adjacent bases 1 can be abutted with each other by the splicing mechanism 2, further, since each base 1 is further provided with the stator 11 and the slide rail 12, and the stator 11 and the slide rail 12 extend to two ends of the base 1, when the bases 1 are abutted with each other, the stator 11 and the slide rail 12 on each base 1 are abutted with each other, so that the mover 13 can smoothly transition from the stator 11 on one base 1 to the stator 11 on the other base 1, thereby driving the moving platform 14 to smoothly move from the slide rail 12 on one base 1 to the slide rail 12 on the other base 1, so as to realize the movement of the moving platform 14 between the bases 1 abutted with each other.

Through the structure, an operator can increase or decrease the base 1 according to the requirements so as to flexibly control the stroke length of the linear motor, so that the linear motor is suitable for different application environments, and the linear motor has the beneficial effects of controllable stroke length, flexible operation and high applicability.

Specifically, the splicing mechanism 2 includes a mounting portion 21 and mounting surfaces 22 disposed at two ends of the base 1, one end of the mounting portion 21 is connected with the mounting surface 22 of one base, and the other end is connected with the mounting surface 22 of the other base 1, so as to realize connection between the adjacent bases 1, further, the splicing mechanism 2 further includes a connecting piece 23, the mounting surface 22 is disposed on two side arms of the base 1, and a limiting hole 221 is formed on a side wall, an opening 211 is correspondingly disposed on the mounting portion 21, and the connecting piece penetrates into the opening 211 and is fastened in the limiting hole 221, so as to realize fixed connection between the mounting portion 21 and the mounting surface 22.

In this embodiment, the limiting hole 221 may be threaded, and the connecting member may be a screw, where the screw penetrates into the opening 211 and is screwed into the limiting hole 221, so as to achieve a fixed connection between the mounting portion 21 and the mounting surface 22.

Furthermore, in order to further improve the adjacent stability of the base 1, threaded holes can be additionally formed in two ends of the adjacent base 1 at the adjacent positions respectively, a plurality of connecting plates can be correspondingly arranged, openings matched with the threaded holes are correspondingly formed in two ends of the connecting plates, and screws can penetrate through the openings to be fastened in the threaded holes in a threaded manner so as to further strengthen the connection between the adjacent bases 1.

Further, the stator 11 is provided with an accommodating space 111 inside, an open slot 112 is formed in one side of the stator 11 in the accommodating space 111, an upper magnet 113 and a lower magnet 114 are respectively arranged on the top wall and the bottom wall of the accommodating space 111, the upper magnet 113 and the lower magnet 114 extend to the front end and the tail end of the stator 11, the rotor 13 penetrates into the accommodating space 111 from the open slot 112 to be arranged between the upper magnet 113 and the lower magnet 114, and further, the utility model further comprises a fixing piece 15, one end of the fixing piece 15 is fixedly connected with the rotor 13, and the other end is fixedly connected with the moving platform 14.

Through the above structure arrangement, when the motor is started, the mover 13 is electrified to generate a magnetic field, and reciprocates in the accommodating space 111 under the action of the upper and lower magnets, and the mover 13 in reciprocation drives the moving platform 14 to reciprocate relative to the slide rail 12 through the fixing piece 15.

Further, a sliding connection portion 141 is disposed below the moving platform 14, the sliding connection portion 141 has a sliding groove 142, and the sliding groove 142 is slidably connected with the sliding rail 12, so as to realize sliding connection between the moving platform 14 and the sliding rail 12.

Further, the utility model also comprises a reading head 41, a grating ruler 42, a U-shaped photoelectric switch 43 and an induction piece 44, wherein the reading head 41 is arranged on one side of the mobile platform 14, the grating ruler 42 is correspondingly arranged on one side of the base, the induction piece 44 is arranged on the other side of the mobile platform 14, and the U-shaped photoelectric switch 43 is correspondingly arranged on the other side of the base.

Through the above structure arrangement, the moving platform 14 drives the reading head 41 to move relative to the grating ruler 42 and the sensing piece 44 to move relative to the U-shaped photoelectric switch 43, and when the reading head 41 moves relative to the grating ruler 42 along with the moving platform 14, the reading head 41 can convert a magnetic field signal detected on the grating ruler 42 into an electric signal. After the electric signal is processed by the signal processor, the position information of the mobile platform 14 can be obtained, and when the sensing piece 44 moves along with the mobile platform 14 relative to the U-shaped photoelectric switch 43, the sensing piece 44 can pass through the U-shaped photoelectric switch 43 to detect the motion state of the mobile platform 14.

Further, the present utility model further includes an end plate 51, the base 1 includes a left end base unit 101 and a right end base unit 102, the left end base unit 101 is disposed at a leftmost end between adjacent bases 1, the right end base unit 102 is disposed at a rightmost end between adjacent bases 1, the end plate 51 is disposed at a left end of the left end base unit 101 and a right end of the right end base unit 102, respectively, and further, the end plate 51 is provided with a flexible stopper 52 at a side facing the moving platform 14.

Through the above structure, the end plate 51 can limit and protect the mobile platform 14 to prevent the mobile platform 14 from sliding down on the base 1, and further, when the mobile platform 14 moves to the end plate 51, the mobile platform will first abut against the flexible stop piece 52 to further protect the mobile platform 2.

The above description of one or more embodiments provided in connection with the detailed description is not intended to limit the utility model to the particular form or form disclosed. The method, structure, etc. similar to or identical to those of the present utility model, or some technical deductions or substitutions are made on the premise of the inventive concept, should be regarded as the protection scope of the present utility model.

Claims

1. The utility model provides a long stroke linear electric motor that can splice, includes a plurality of base (1), a serial communication port, be provided with stator (11) and slide rail (12) on base (1), stator (11) and slide rail (12) extend to the both ends of base (1), base (1) are provided with splice mechanism (2) in both ends, every two adjacent base (1) are through splice mechanism (2) end to realize adjacent stator (11) between base (1) and the abutment of slide rail (12), but long stroke linear electric motor that can splice still include relative stator reciprocating motion's active cell (13) and with slide rail (12) sliding connection's moving platform (14), moving platform (14) with active cell (13) are connected.

2. A long travel linear motor capable of being spliced according to claim 1, wherein the splicing mechanism (2) comprises a mounting part (21) and mounting surfaces (22) arranged at two ends of the base (1), one end of the mounting part (21) is connected with the mounting surface (22) of one base, and the other end is connected with the mounting surface (22) of the other base (1) so as to realize connection between adjacent bases (1).

3. The long-stroke linear motor capable of being spliced according to claim 2, wherein the splicing mechanism (2) further comprises a connecting piece (23), the mounting surface (22) is arranged on two side arms of the base (1) and is provided with a limiting hole (221) on the side wall, the mounting part (21) is correspondingly provided with an opening (211), and the connecting piece penetrates into the opening (211) and is fastened in the limiting hole (221) so as to realize the fixed connection of the mounting part (21) and the mounting surface (22).

4. The long-stroke linear motor capable of being spliced according to claim 1, wherein the stator (11) is internally provided with a containing space (111), the containing space (111) forms an open groove (112) at one side of the stator (11), the containing space (111) is respectively provided with an upper magnet (113) and a lower magnet (114) on the top wall and the bottom wall, and the rotor (13) penetrates into the containing space (111) from the open groove (112) so as to be arranged between the upper magnet (113) and the lower magnet (114).

5. A spliced long travel linear motor according to claim 4, characterized in that the upper magnet (113) and lower magnet (114) extend to the end-to-end of the stator (11).

6. The spliced long-stroke linear motor according to claim 1, further comprising a fixing member (15), wherein one end of the fixing member (15) is fixedly connected to the mover (13), and the other end is fixedly connected to the moving platform (14).

7. The spliced long-stroke linear motor according to claim 1, wherein a sliding connection part (141) is arranged below the moving platform (14), the sliding connection part (141) is provided with a sliding groove (142), and the sliding groove (142) is in sliding connection with the sliding rail (12).

8. The long-stroke linear motor capable of being spliced according to claim 1, further comprising a reading head (41), a grating ruler (42), a U-shaped photoelectric switch (43) and an induction piece (44), wherein the reading head (41) is arranged on one side of the mobile platform (14), the grating ruler (42) is correspondingly arranged on one side of the base, the induction piece (44) is arranged on the other side of the mobile platform (14), and the U-shaped photoelectric switch (43) is correspondingly arranged on the other side of the base.

9. The long-stroke linear motor capable of being spliced according to claim 1, further comprising an end plate (51), wherein the base (1) comprises a left end base unit (101) and a right end base unit (102), the left end base unit (101) is arranged at the leftmost end between adjacent bases (1), the right end base unit (102) is arranged at the rightmost end between adjacent bases (1), and the end plate (51) is respectively arranged at the left end of the left end base unit (101) and the right end of the right end base unit (102).

10. A spliced long travel linear motor according to claim 9, characterized in that the end plate (51) is provided with a flexible stop (52) on the side facing the moving platform (14).