CN218678794U - Miniature heavy-load linear motor module - Google Patents

Abstract

A miniature heavy-load linear motor module relates to the technical field of linear motor modules. It includes: the mounting groove comprises two side walls which are positioned at two sides of a notch of the mounting groove and extend along the first direction; the two side plates are respectively arranged on the two side walls; the two stator assemblies are correspondingly arranged on the inner sides of the two side plates respectively; the rotor assembly is movably arranged on the base along the first direction through a sliding fit structure; the load sliding table is mounted on the rotor assembly and can slide along the upper sides of the two side plates; and the two stator assemblies are arranged in a staggered manner. By adopting the technical scheme, the device has the advantage of effectively reducing the tooth socket force.

Description

Miniature heavy-load linear motor module

Technical Field

The utility model relates to a linear electric motor module technical field, concretely relates to miniature heavy load linear electric motor module.

Background

The linear motor module is driven by a coil rotor and a magnet stator through electromagnetic induction, and a linear guide rail is used as a guiding linear motion precision transmission part. The existing flat plate type linear motor module structure is that a stator is flatly paved on a base, a rotor is parallel to the stator, a guide rail is used as a guide, and a magnetic field is generated by electrifying to generate thrust to realize movement. But a strong electromagnetic attraction force exists between the rotor and the stator while thrust is generated, the attraction force (about 5-10 times of the thrust of the motor) is borne on the guide rail, and the attraction force between the rotor and the stator acts on the guide rail, so that the load of the guide rail is increased, the abrasion of the guide rail is accelerated, and the service life of the linear motor module is shortened.

Based on this, the chinese patent application with publication number CN113489280a discloses a micro heavy-load linear motor module, which can solve the above problems; the chinese patent application publication No. CN111564948a discloses a linear motor, which can also solve the above problems.

However, the solutions of the two patent applications have the following problems: the cogging force is too large, the starting resistance of the motor is increased, the motor is unstable in operation, and the efficiency of the motor is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect with not enough, provide a miniature heavy load linear electric motor module, have the advantage that effectively reduces tooth's socket power.

In order to achieve the purpose, the utility model adopts the technical proposal that: a miniature heavy load linear motor module includes:

the mounting groove comprises two side walls which are positioned at two sides of a notch of the mounting groove and extend along the first direction;

the two side plates are respectively arranged on the two side walls;

the two stator assemblies are correspondingly arranged on the inner sides of the two side plates respectively;

the rotor assembly is movably arranged on the base along the first direction through a sliding fit structure; and the number of the first and second groups,

the load sliding table is mounted on the rotor assembly and can slide along the upper sides of the two side plates;

and the two stator assemblies are arranged in a staggered manner.

The utility model discloses further set up, miniature heavy load linear electric motor module still includes: and the steel belts are assembled on the upper sides of the two side plates and used for the sliding of the load sliding tables.

The utility model discloses further set up, the load slip table includes:

the upper sliding table component is positioned on the upper side of the steel belt; and the number of the first and second groups,

the lower sliding table part is arranged on the rotor assembly and is positioned on the lower side of the steel belt;

after the upper sliding table component and the lower sliding table component are assembled, the steel belt is clamped in the middle; the load sliding table slides along the steel belt under the driving of the rotor assembly;

one surface of the lower sliding table component, which is contacted with the steel belt, is arched.

The utility model is further provided with a plurality of mounting holes on the lower sliding table component; and a magnet for adsorbing the steel strip is arranged in the mounting hole.

The utility model discloses further set up, the mounting hole set up respectively in both ends around the slip table spare down.

The utility model discloses further set up, go up the slip table spare with the one side of steel band contact and/or lower slip table spare with the one side of steel band contact is provided with wear pad.

The utility model discloses further set up, the sliding fit structure includes:

the sliding rail is arranged on the base along a first direction; and the number of the first and second groups,

and the sliding block is assembled on the sliding rail in a sliding manner and used for installing the rotor assembly.

The utility model discloses further set up, miniature heavy load linear electric motor module still includes: and the two end covers are respectively assembled at the two ends of the base and used for sealing the left end and the right end of the inner cavity of the miniature heavy-load linear motor module.

The utility model discloses further set up, the inboard of end cover is provided with anticollision piece.

The utility model discloses further set up, install inductor, read head and bars chi on the curb plate.

After the technical scheme is adopted, the utility model discloses beneficial effect does:

1. in the utility model, the linear motor module adopts the form of matching and driving of the two stator components and the rotor component, so that two driving forces are formed on two sides of the rotor component, the driving power of the linear motor module is increased, the overall power density of the linear motor module is further increased, and a better effect is achieved; in addition, through arranging two stator module dislocation, effectively reduce the tooth's socket power to reduce linear electric motor module's starting resistance, still made linear electric motor module operation stable, improved linear electric motor module's efficiency.

2. The utility model discloses in, the one side of gliding platform spare and steel band contact is the hunch form to when load slip table was slided on the steel band, it was less with the area of contact of steel band, reduced the resistance, reduced wearing and tearing, also reduced the noise.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a side view of the present invention with the end cap removed;

fig. 3 is an exploded view of the present invention;

fig. 4 is a top view of the base, the stator assembly and the mover assembly of the present invention;

fig. 5 is an exploded view of the load ramp.

Description of reference numerals: 100. a base; 110. installing a groove; 120. a side wall; 130. an inductor; 140. a read head; 150. a grid ruler; 200. a side plate; 300. a stator assembly; 400. a mover assembly; 500. a load sliding table; 510. an upper sliding table member; 520. a lower sliding table member; 521. mounting holes; 600. a steel belt; 700. a slide rail; 800. a slider; 900. an end cap; 910. an anti-collision member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment as required without making a contribution, but all the embodiments are protected by the patent law within the scope of the claims of the present invention.

The present embodiment relates to a miniature heavy-duty linear motor module, as shown in fig. 1-3, comprising: the sensor comprises a base 100, two side plates 200, two stator assemblies 300, a mover assembly 400, a sliding fit structure, a load sliding table 500, a steel belt 600, an end cover 900, an inductor 130, a reading head 140 and a grating scale 150.

The base 100 is formed with a mounting groove 110 extending along a first direction, and the mounting groove 110 includes two sidewalls 120 located at both sides of a notch of the mounting groove 110 and extending along the first direction. The two side plates 200 are respectively mounted on the two side walls 120. The two stator assemblies 300 are respectively and correspondingly mounted to the inner sides of the two side plates 200. The mover assembly 400 is movably mounted to the base 100 in a first direction by a sliding fit structure. The load sliding unit 500 is mounted on the mover assembly 400 to be slidable along the upper sides of the two side plates 200. The steel belt 600 is mounted on the upper sides of the two side plates 200 for the sliding of the load sliding table 500. The two end caps 900 are respectively assembled at two ends of the base 100, and are used for sealing the left and right ends of the inner cavity of the miniature heavy-load linear motor module.

The linear motor module adopts the form that two stator assemblies 300 and the rotor assembly 400 are matched for driving, so that two driving forces are formed on two sides of the rotor assembly 400, the driving power of the linear motor module is increased, the integral power density of the linear motor module is increased, and the linear motor module has a better effect.

In the present embodiment, as shown in fig. 4, two stator assemblies 300 are arranged in a misaligned arrangement. Through arranging two stator module 300 dislocation, effectively reduce the tooth's socket power to reduce linear electric motor module's starting resistance, still made linear electric motor module operation stable, improved linear electric motor module's efficiency.

As a preferable aspect, as shown in fig. 3 and 5, the load slide 500 includes: an upper slide member 510 and a lower slide member 520. The upper slide unit 510 is located at an upper side of the steel band 600. The lower slide member 520 is mounted on the mover assembly 400 and positioned at a lower side of the steel band 600. After the upper slide unit 510 and the lower slide unit 520 are assembled, the steel band 600 is sandwiched. Under the driving of the mover assembly 400, the load slide 500 slides along the steel strip 600. In the present embodiment, as shown in fig. 5, the surface of the lower slide unit 520 contacting the steel strip 600 is arched, so that when the load slide 500 slides on the steel strip 600, the contact area with the steel strip 600 is small, thereby reducing resistance, wear, and noise. In this embodiment, as shown in fig. 5, the lower sliding table 520 is provided with a plurality of mounting holes 521; the mounting hole 521 is provided with a magnet (not shown) for attracting the steel strip 600. And four mounting holes 521 are provided, and two mounting holes are respectively provided at the front and rear ends of the lower slide unit 520. Through being equipped with a plurality of magnets to lower slip table spare 520 can be more firm adsorb the downside at steel band 600.

In order to further reduce the wear of the load slide 500 after a long time operation, a wear pad (not shown) is provided on a surface of the upper slide 510 contacting the steel strip 600 and/or a surface of the lower slide 520 contacting the steel strip 600.

As a preferable aspect, in the present embodiment, as shown in fig. 2 and 3, the slide-fit structure includes: a slide rail 700 and a slider 800. The slide rail 700 is disposed on the base 100 along a first direction; the slider 800 is slidably mounted on the slide rail 700 and is used for mounting the sub-assembly 400.

As a preferable aspect, as shown in fig. 3, an inner side of the end cap 900 is provided with a crash proof 910. The mover assembly 400 and the slider 800 are prevented from directly colliding with the end cap 900 when sliding.

The sensor 130, the reading head 140 and the grid ruler 150 are installed on the side plate 200, the reading head 140 is a reading and writing module of the control system, and the grid ruler 150 is used for detecting linear displacement or angular displacement.

The working principle of the utility model is as follows: through arranging two stator module 300 dislocation, effectively reduce the tooth's socket power to reduce linear electric motor module's starting resistance, still made linear electric motor module operation stable, improved linear electric motor module's efficiency.

The above description is only for the purpose of illustration and not limitation, and other modifications or equivalent replacements made by those skilled in the art to the technical solution of the present invention should be covered by the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims (10)

1. A miniature heavy load linear motor module includes:

a base (100) formed with a mounting groove (110) extending in a first direction, the mounting groove (110) including two sidewalls (120) located at both sides of a notch of the mounting groove (110) and extending in the first direction;

two side plates (200) respectively mounted on the two side walls (120);

two stator components (300) which are respectively correspondingly arranged at the inner sides of the two side plates (200);

a mover assembly (400) movably mounted to the base (100) in the first direction by a sliding fit structure; and the number of the first and second groups,

the load sliding table (500) is arranged on the rotor assembly (400) and can slide along the upper sides of the two side plates (200);

characterized in that the two stator assemblies (300) are arranged in a staggered manner.

2. The miniature heavy-duty linear motor module of claim 1, further comprising: and the steel belts (600) are assembled on the upper sides of the two side plates (200) and used for the sliding of the load sliding table (500).

3. The miniature heavy-duty linear motor module set according to claim 2, wherein said load slide (500) comprises:

an upper slide unit (510) located on the upper side of the steel strip (600); and the number of the first and second groups,

the lower sliding table piece (520) is arranged on the rotor assembly (400) and is positioned on the lower side of the steel belt (600);

after the upper sliding table component (510) and the lower sliding table component (520) are assembled, the steel belt (600) is clamped in the middle; under the drive of the rotor assembly (400), the load sliding table (500) slides along the steel belt (600);

one surface of the lower sliding table component (520) contacted with the steel belt (600) is arched.

4. The miniature heavy-duty linear motor module set according to claim 3, wherein said lower slide unit (520) is provided with a plurality of mounting holes (521); magnets for attracting the steel strip (600) are arranged in the mounting holes (521).

5. The miniature heavy-duty linear motor module set according to claim 4, wherein said mounting holes (521) are respectively provided at front and rear ends of said lower sliding table member (520).

6. The miniature heavy-duty linear motor module set according to claim 3, wherein one surface of the upper sliding table member (510) contacting the steel strip (600) and/or one surface of the lower sliding table member (520) contacting the steel strip (600) is provided with a wear-resistant sheet.

7. The miniature heavy-duty linear motor module set forth in claim 1, wherein said slip fit arrangement comprises:

a slide rail (700) disposed on the base (100) along a first direction; and (c) a second step of,

and the sliding block (800) is assembled on the sliding rail (700) in a sliding mode and is used for installing the rotor assembly (400).

8. The miniature heavy-duty linear motor module set forth in claim 1, further comprising: and the two end covers (900) are respectively assembled at the two ends of the base (100) and used for sealing the left end and the right end of the inner cavity of the miniature heavy-load linear motor module.

9. The miniature heavy-duty linear motor module set forth in claim 8, wherein an inner side of said end cap (900) is provided with a bumper (910).

10. The miniature heavy-duty linear motor module according to claim 1, wherein the side plate (200) has mounted thereon an inductor (130), a reading head (140), and a grid ruler (150).

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