CN219145223U - Linear power module and equipment - Google Patents

Abstract

The utility model discloses a linear power module and equipment, comprising: the fixed seat comprises a front fixed seat, a middle fixed seat and a rear fixed seat, wherein the middle fixed seat is arranged between the front fixed seat and the rear fixed seat, the fixed seat defines a first rotor floating space and a second rotor floating space which are distributed back to back on the front side and the rear side of the middle fixed seat, at least one of the front fixed seat and the middle fixed seat is provided with a first stator, and at least one of the rear fixed seat and the middle fixed seat is provided with a second stator; the first rotor support is arranged in the first rotor floating space and is provided with a first rotor, and the first rotor and the first stator form a first linear power unit; the second rotor support is arranged in the second rotor floating space and is provided with a second rotor, and the second rotor and the second stator form a second linear power unit. The integrated multiple sub-units can cooperatively complete multiple same-direction movement processes, and the structure is compact and the volume is small.

Description

Linear power module and equipment

Technical Field

The utility model is used in the field of processing equipment, and particularly relates to a linear power module and equipment.

Background

Along with the development of industrial modernization and intellectualization, the novel linear power module is innovated in various fields, the requirements on the motor module are continuously improved, and the linear module has the advantages of light weight, small volume, large thrust, high precision, low energy consumption and convenient installation, and has wide application prospect in the mechanical industry. The novel linear power module is generally applied to a part doing linear motion, the linear motion of a small novel linear power module with small stroke, low running speed and acceleration in a limited space is very suitable, and the novel linear power module is applied to the application fields such as mobile application in measurement and medicine industries, patch marking of 3C equipment, circuit printing of a photovoltaic panel, industrial micro-assembly and the like. For the mechanical industry, modularization is the mainstream direction of future industry development, and the market demand for linear modules is on the rise. Especially in recent years, the development of new energy industry is rapid, and a plurality of manufacturers strive for entering, so that the novel linear power module with high efficiency of light assets becomes the preferred production and processing equipment of large and small manufacturers.

At present, the linear module has only one movement module in one direction, one movement process is completed, and the driving requirement of multi-action in the same direction cannot be met.

The motion mode of the linear module at the present stage is mainly position and speed control, and the acting force on the workpiece can not be accurately controlled.

The linear motion module at the present stage needs high precision, small volume and light weight. The existing equipment has the advantages of large space, high cost, light weight, small volume, small thrust and single movement process when meeting the precision.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a linear power module and equipment, which integrate a plurality of sub-units, and the plurality of sub-units can cooperatively complete a plurality of same-direction movement processes, and have the advantages of compact structure and small volume.

The technical scheme adopted for solving the technical problems is as follows:

in a first aspect, a linear power module includes:

the fixed seat comprises a front fixed seat, a middle fixed seat and a rear fixed seat, wherein the front fixed seat, the middle fixed seat and the rear fixed seat are connected to form an integrated structure, the middle fixed seat is arranged between the front fixed seat and the rear fixed seat, a first rotor floating space and a second rotor floating space which are distributed back to back are limited on the front side and the rear side of the middle fixed seat by the fixed seat, a first stator is arranged on at least one of the front fixed seat and the middle fixed seat, and a second stator is arranged on at least one of the rear fixed seat and the middle fixed seat;

the first rotor support is arranged in the first rotor floating space and is provided with a first rotor, and the first rotor and the first stator form a first linear power unit;

the second rotor support is arranged in the second rotor floating space, the second rotor support is provided with a second rotor, and the second rotor and the second stator form a second linear power unit.

With reference to the first aspect, in certain implementation manners of the first aspect, the first stator includes a first magnet disposed on the front fixing seat and/or the middle fixing seat, and the second stator includes a second magnet disposed on the rear fixing seat and/or the middle fixing seat.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the first mover support is provided with a first open slot, the mover copper wire winding of the first linear power unit is fixed in the open slot of the first mover support by using pouring sealant to form a first mover, the second mover support is provided with a second open slot, and the mover copper wire winding of the second linear power unit is fixed in the open slot of the second mover support by using pouring sealant to form a second mover.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, a rotor copper wire winding of the first linear power unit is led out from a top end of the first rotor support and is connected to the first driver, and a rotor copper wire winding of the second linear power unit is led out from a top end of the second rotor support and is connected to the second driver.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, the first mover support is provided with a first grid ruler, the front fixing seat is provided with a first mounting groove, and a first encoder matched with the first grid ruler to read position information of the first mover support is arranged in the first mounting groove; the second runner support is provided with a second grating ruler, the rear fixing seat is provided with a second mounting groove, and a second encoder matched with the second grating ruler to read the position information of the second runner support is arranged in the second mounting groove.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, two side edges of the front fixing seat extend to a back side to form a first flange, the first flange is abutted with the middle fixing seat, and defines the first rotor floating space between the front fixing seat and the middle fixing seat, two side edges of the rear fixing seat extend to a front side to form a second flange, and the second flange is abutted with the middle fixing seat, and defines the second rotor floating space between the rear fixing seat and the middle fixing seat.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, two side edges of the first rotor support are mounted to the first flange through a first cross roller guide rail, and two side edges of the second rotor support are mounted to the second flange through a second cross roller guide rail.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the method further includes:

the elastic component is arranged on the fixed seat and used for driving the first rotor support and the second rotor support to reset to an initial position.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, the fixed seat is provided with a limiting block that defines a movement limit position of the first rotor support and the second rotor support.

In a second aspect, an apparatus includes a linear power module according to any implementation of the first aspect.

One of the above technical solutions has at least one of the following advantages or beneficial effects: according to the technical scheme, the first linear power unit is formed by the first rotor and the first stator, the second linear power unit is formed by the second rotor and the second stator, the first linear power unit and the second linear power unit are distributed back to back, the first rotor of the first linear power unit and the second rotor of the second linear power unit are respectively in linear displacement in magnetic fields provided by the respective stators, the multiple rotor units are integrated, the multiple rotor units can be separately controlled and can cooperatively complete multiple same-direction movement processes, and the whole linear power module is compact in structure, small in size and light in weight, and can realize a complex linear movement mode in a small space and under a light weight.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a linear power module according to an embodiment of the present utility model;

FIG. 2 is an exploded view of one embodiment of the structure shown in FIG. 1;

FIG. 3 is a bottom view of the structure of one embodiment shown in FIG. 1;

fig. 4 is a side view of the structure of one embodiment shown in fig. 1.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

The reference direction coordinate system of the embodiment of the present utility model is shown in fig. 2, and the embodiment of the present utility model is described below with reference to the directions shown in fig. 2.

The embodiment of the utility model provides a linear power module which is used for linear motion of multi-action in the same direction, such as printing of a photovoltaic panel.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, the linear power module comprises a fixed seat, a first rotor support 1 and a second rotor support 2, wherein the fixed seat comprises a front fixed seat 3, a middle fixed seat 4 and a rear fixed seat 5, the front fixed seat 3, the middle fixed seat 4 and the rear fixed seat 5 are connected to form an integrated structure, the middle fixed seat 4 is arranged between the front fixed seat 3 and the rear fixed seat 5, the front fixed seat 3 is arranged on the front side of the middle fixed seat 4, the rear fixed seat 5 is arranged on the rear side of the middle fixed seat 4, a first rotor floating space and a second rotor floating space which are distributed back to back are limited on the front side and the rear side of the middle fixed seat 4 by the fixed seat, at least one of the front fixed seat 3 and the middle fixed seat 4 is provided with a first stator 6, the first stator 6 is used for generating a magnetic field for driving the first rotor, at least one of the rear fixed seat 5 and the middle fixed seat 4 is provided with a second stator 7, and the second stator 7 is used for generating a magnetic field for driving the second rotor.

The first rotor support 1 is arranged in a first rotor floating space and can move along a straight line in the first rotor floating space, the first rotor support 1 is provided with a first rotor, the first rotor and the first stator 6 form a first straight line power unit, counter electromotive force is generated in the first rotor after the power is applied, and the counter electromotive force interacts with a stator magnetic field to push the first rotor support 1 to move along a floating direction.

The second rotor support 2 is arranged in a second rotor floating space and can linearly move in a first rotor floating space, the second rotor support 2 is provided with a second rotor, the second rotor and the second stator 7 form a second linear power unit, counter electromotive force is generated in the second rotor after the second rotor is electrified, and the counter electromotive force interacts with a stator magnetic field to push the second rotor support 2 to linearly move along a floating direction.

After the first linear power unit and the second linear power unit are electrified, the first rotor support 1 and the second rotor support 2 do linear motion under the action of electromagnetic force, so that a plurality of same-direction motion processes are realized.

According to the technical scheme, a first linear power unit is formed by the first rotor and the first stator 6, a second linear power unit is formed by the second rotor and the second stator 7, the first linear power unit and the second linear power unit are distributed back to back, the first rotor of the first linear power unit and the second rotor of the second linear power unit are respectively linearly displaced in magnetic fields provided by the respective stators, the multiple rotor units are integrated, the multiple rotor units can be separately controlled and can cooperatively complete multiple same-direction movement processes, and the whole linear power module is compact in structure, small in size and light in weight, and can realize a complex linear movement mode in a small space and under a light weight.

In some embodiments, referring to fig. 2, the first stator 6 includes a first magnet disposed on the front fixing base 3 and/or the middle fixing base 4, the first magnet is connected to an inner side surface of the front fixing base 3 and/or a surface of the middle fixing base 4 by means of adhesion or the like, and the second stator 7 includes a second magnet disposed on the rear fixing base 5 and/or the middle fixing base 4, the second magnet is connected to an inner side surface of the rear fixing base 5 and/or a surface of the middle fixing base 4 by means of adhesion or the like.

It is understood that the first stator 6 and the second stator 7 may also be formed by means of exciting coils or the like.

Referring to fig. 2, a first rotor support 1 is provided with a first open slot 8, and a rotor copper wire winding of a first linear power unit is fixed in the open slot of the first rotor support 1 by pouring sealant to form a first rotor, and induced electromotive force is generated after the current is supplied. The second rotor support 2 is provided with a second open groove 9, and a rotor copper wire winding of the second linear power unit is fixed in the open groove of the second rotor support 2 by pouring sealant to form a second rotor, and induced electromotive force is generated after the current is supplied.

Further, referring to fig. 1 and 2, a rotor copper wire winding of the first linear power unit is led out from the top end of the first rotor support 1, is connected with a first driver, and is provided with a power supply by the first driver. The rotor copper wire winding of the second linear power unit is led out from the top end of the second rotor bracket 2, is connected with a second driver and is provided with a power supply by the second driver. The first linear power unit and the second linear power unit are controlled by independent drivers respectively, so that a complex linear motion mode is realized.

Referring to fig. 1 and 2, in some embodiments, the first mover support 1 is provided with a first grating ruler 10, the front fixing seat 3 is provided with a first mounting groove 11, a first encoder 12 matched with the first grating ruler 10 to read the position information of the first mover support 1 is arranged in the first mounting groove 11, and the first encoder 12 is close to the first grating ruler 10 and is provided with a certain interval for reading the instant position signal of the first mover support 1 in real time; the second runner bracket 2 is provided with a second grating ruler 13, the rear fixing seat 5 is provided with a second mounting groove 14, a second encoder 15 which is matched with the second grating ruler 13 to read the position information of the second runner bracket 2 is arranged in the second mounting groove 14, and the second encoder 15 is close to the second grating ruler 13 and is provided with a certain interval for reading the instant position signal of the second runner bracket 2 in real time. And when the encoder approaches the grating ruler, acquiring position information of the grating ruler, and sending the information to a driver, wherein the driver drives the motor to move through a position control mode.

In some embodiments, referring to fig. 2 and 3, the two side edges of the front fixing base 3 extend to the back side to form a first flange 16, the first flange 16 abuts against the middle fixing base 4 and defines a first mover floating space between the front fixing base 3 and the middle fixing base 4, the two side edges of the rear fixing base 5 extend to the front side to form a second flange 17, and the second flange 17 abuts against the middle fixing base 4 and defines a second mover floating space between the rear fixing base 5 and the middle fixing base 4.

Further, both side edges of the first mover frame 1 are mounted to the first flange 16 through first cross roller guides 18, the first cross roller guides 18 are limited to only the vertical movement freedom of the first mover frame 1, and both side edges of the second mover frame 2 are mounted to the second flange 17 through second cross roller guides 19. The second cross roller guide 19 is limited to only the vertical freedom of movement of the second sub-mount 2. The crossed roller guide rail can be arranged in the same plane, occupies smaller space, can bear loads in all directions, and realizes high-precision and stable linear motion.

In some embodiments, referring to fig. 1, 2 and 3, the linear power module further includes an elastic assembly 20, where the elastic assembly 20 is mounted on the fixed base, and the elastic assembly 20 is used to drive the first and second sub-frames 1 and 2 to return to the initial positions.

When the first linear power unit is not electrified, the first rotor is balanced under the combined action of the elastic force provided by the elastic component 20 and the gravity of the rotor, and stays at the initial position of the motor. After the power is on, the first rotor starts to move downwards, and stops moving when the first rotor reaches a set position, and the first rotor just contacts with the lower working table surface and has no pressure, at the moment, rated current is applied to the motor, and the rotor generates rated downward pressure on the working table surface. And after the pressing time reaches the set working time, reducing the working current, and gradually reducing the pressing force until the pressing force is zero with the pressure of the working table surface. Continuing to reduce the current or applying the reverse current, the motor mover moves upward. Repeated motion is carried out for a plurality of times, so that repeated operation of the first linear power unit is realized. When the motor is suddenly powered off, the motor current is zero, and the first mover carriage 1 automatically stops at the initial position under the restoring force of the elastic assembly 20.

When the first rotor reaches a set position, a certain downward pressure F needs to be maintained, and the magnitude of the downward pressure F is controlled by a current loop of the first driver. The first linear power unit has a stable force constant, the thrust magnitude and the driving current are in a linear relation, and when the first driver outputs the specified current I, the first rotor of the first linear power unit can output the specified downward pressure F. The first linear power unit is generally applied to industrial equipment with small thrust, fast speed response and high position accuracy, and the thrust range is mostly within tens of newtons. The maximum thrust of the first linear power unit can reach 200N, and the maximum downward pressure exceeds 150N, so that a new application scene is provided for high-speed, high-efficiency, high-precision and high-thrust automation equipment.

In some embodiments, referring to fig. 1 and 2, the fixed base is provided with a stopper 21 defining the movement limit position of the first mover carriage 1 and the second mover carriage 2.

The embodiment of the utility model also provides equipment, which comprises the linear power module in any embodiment. In the printing equipment of the photovoltaic panel, the first rotor support 1 is connected with the scraper knife head, the second rotor support 2 is connected with the ink knife head, so that the whole volume of the scraper knife head assembly is reduced, the cost of mechanism manufacturing is saved, and the working speed is improved.

In the description of the present specification, reference to the terms "example," "embodiment," or "some embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The present utility model is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and these equivalent modifications or substitutions are intended to be included in the scope of the present utility model as defined in the claims.

Claims (10)

1. A linear power module, comprising:

the fixed seat comprises a front fixed seat, a middle fixed seat and a rear fixed seat, wherein the front fixed seat, the middle fixed seat and the rear fixed seat are connected to form an integrated structure, the middle fixed seat is arranged between the front fixed seat and the rear fixed seat, a first rotor floating space and a second rotor floating space which are distributed back to back are limited on the front side and the rear side of the middle fixed seat by the fixed seat, a first stator is arranged on at least one of the front fixed seat and the middle fixed seat, and a second stator is arranged on at least one of the rear fixed seat and the middle fixed seat;

the first rotor support is arranged in the first rotor floating space and is provided with a first rotor, and the first rotor and the first stator form a first linear power unit;

the second rotor support is arranged in the second rotor floating space, the second rotor support is provided with a second rotor, and the second rotor and the second stator form a second linear power unit.

2. The linear power module of claim 1, wherein the first stator comprises a first magnet disposed on the front mount and/or the middle mount, and the second stator comprises a second magnet disposed on the rear mount and/or the middle mount.

3. The linear power module according to claim 1, wherein the first runner bracket is provided with a first open slot, the runner copper wire winding of the first linear power unit is fixed in the open slot of the first runner bracket by pouring sealant to form a first runner, the second runner bracket is provided with a second open slot, and the runner copper wire winding of the second linear power unit is fixed in the open slot of the second runner bracket by pouring sealant to form a second runner.

4. A linear power module according to claim 3, wherein the mover copper wire winding of the first linear power unit is led out from the top end of the first mover support and connected to the first driver, and the mover copper wire winding of the second linear power unit is led out from the top end of the second mover support and connected to the second driver.

5. The linear power module according to claim 1, wherein the first mover support is provided with a first grating ruler, the front fixing seat is provided with a first mounting groove, and a first encoder matched with the first grating ruler to read the position information of the first mover support is arranged in the first mounting groove; the second runner support is provided with a second grating ruler, the rear fixing seat is provided with a second mounting groove, and a second encoder matched with the second grating ruler to read the position information of the second runner support is arranged in the second mounting groove.

6. The linear power module of claim 1, wherein the two side edges of the front mount extend to the back side to form a first flange, the first flange abuts the middle mount and defines the first mover floating space between the front mount and the middle mount, the two side edges of the rear mount extend to the front side to form a second flange, the second flange abuts the middle mount and defines the second mover floating space between the rear mount and the middle mount.

7. The linear power module of claim 6, wherein the two side edges of the first mover carriage are mounted to the first flange by a first cross roller rail and the two side edges of the second mover carriage are mounted to the second flange by a second cross roller rail.

8. The linear power module of claim 1, further comprising:

the elastic component is arranged on the fixed seat and used for driving the first rotor support and the second rotor support to reset to an initial position.

9. The linear power module of claim 8, wherein the fixed seat is provided with a stopper defining a movement limit position of the first and second mover brackets.

10. An apparatus comprising the linear power module of any one of claims 1-9.

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