CN219287268U - Linear motor device - Google Patents

Abstract

The utility model discloses a linear motor device, which comprises a linear motor and a dustproof structure, wherein the linear motor comprises a stator and a rotor, and the rotor is connected with the stator in a sliding manner; the dustproof structure comprises a first dustproof piece and a second dustproof piece which are separated from each other; be equipped with the space of dodging that supplies the rotor to remove between first dust guard and the second dust guard, the top of sliding connection department of rotor and stator is located to first dust guard, and the second dust guard includes first dust guard and second dust guard, and first dust guard is connected with the second dust guard, and the space between first dust guard and the second dust guard is covered in the projection of first dust guard on the direction of height of stator, and the projection of first dust guard and first dust guard on the direction of height of stator covers the projection of stator on its direction of height. According to the linear motor device, the first dustproof piece and the second dustproof piece are of split structures which are separated from each other, so that the linear motor device is more convenient to disassemble and higher in maintenance efficiency.

Description

Linear motor device

Technical Field

The utility model relates to the technical field of linear motors, in particular to a linear motor device.

Background

The linear motor is widely applied to industrial production due to the characteristics of simple structure, high motion efficiency, strong adaptability and the like. In current industrial production, in order to avoid material or dust in the production process to drop in the linear electric motor and cause the damage to linear electric motor, can generally adopt dustproof construction to protect linear electric motor, but current dustproof construction is totally closed integral type structure, inconvenient dismantlement, inconvenient maintenance to linear electric motor's inner structure.

Disclosure of Invention

In order to overcome at least one of the defects described in the prior art, the utility model aims to provide a linear motor device, wherein the dustproof structure is a split structure, so that the linear motor device is convenient to disassemble and convenient to maintain the internal structure of the linear motor.

The utility model adopts the technical proposal for solving the technical problems that:

provided is a linear motor device including:

the linear motor comprises a stator and a rotor, and the rotor is connected with the stator in a sliding manner;

a dust-proof structure including a first dust-proof member and a second dust-proof member separated from each other;

wherein, be equipped with the space of dodging that the power supply removed between first dust keeper and the second dust keeper, the top of sliding connection department of rotor and stator is located to first dust keeper, the second dust keeper includes first dust keeper and second dust keeper, first dust keeper is connected with the second dust keeper, the space between first dust keeper and the second dust keeper is covered in the projection of the high direction of stator of first dust keeper and first dust keeper on the direction of height of stator covers the projection of stator on its direction of height.

According to the linear motor device, the first dustproof piece and the second dustproof piece are of the split type structures which are separated from each other, when the inner structure of the linear motor is required to be maintained, the whole dustproof structure is not required to be disassembled, the inner structure of the linear motor can be maintained only by disassembling one dustproof piece, the disassembly is more convenient, and the maintenance efficiency is higher.

In addition, the first dust-proof piece is used for shielding the sliding connection department of active cell and stator, namely the main part of linear electric motor, prevents material or dust from falling into linear electric motor's inside from above, and the projection of first dust-proof part on the direction of height of stator covers the space between first dust-proof piece and the second dust-proof part, and the second dust-proof piece is then used for shielding other clearances of linear electric motor promptly, can prevent material or dust from falling into linear electric motor's inside from the side or above, and dustproof effect is good.

Drawings

Fig. 1 is a schematic structural view of a linear motor device according to the present embodiment;

fig. 2 is a schematic view of the linear motor apparatus according to the present embodiment with the mounting member removed;

fig. 3 is a schematic view of the linear motor apparatus of the present embodiment with the mounting member and the second dust-proof member removed;

fig. 4 is a front view of the linear motor device of the present embodiment;

fig. 5 is a schematic structural view of the mover of the present embodiment;

fig. 6 is a schematic structural view of a first dust-proof member of the present embodiment;

fig. 7 is a schematic structural view of a second dust-proof member of the present embodiment.

Wherein the reference numerals have the following meanings:

1. a stator; 2. a mover; 3. a guide rail; 4. a first dust-proof member; 41. a shielding part; 42. a first stop portion; 43. a flange; 5. a second dust-proof member; 51. a first dust-proof section; 52. a second dust-proof section; 53. a second stop portion; 54. a fixing part; 6. a mounting member; 7. a receiving hole; 8. a receiving groove; 9. and a sliding groove.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements 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.

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 7, the present embodiment discloses a linear motor device mainly mounted on a machine tool for production purposes, and in the present embodiment, the linear motor device is explained by taking mounting on the machine tool as an example, but the linear motor device can be mounted in other places according to actual needs, and the specific mounting position is not limited.

In the present embodiment, the longitudinal direction of the stator 1 is defined as the front-rear direction, the width direction of the stator 1 is defined as the left-right direction, and the height direction of the stator 1 is defined as the up-down direction, these directions being defined only for convenience of description of the relationship between the respective components, and are not to be construed as limiting the present utility model.

As shown in fig. 1 to 4, the linear motor device of the present embodiment includes a linear motor which is substantially the same as the conventional linear motor and mainly includes a stator 1 and a mover 2, and the mover 2 is slidably coupled to the stator 1. Based on the basic principle of the linear motor, the rotor 2 can move along the length direction of the stator 1, namely, the rotor 2 can move back and forth, so that the basic function of the linear motor is realized, specifically, the stator 1 is arranged on a machine tool in a detachable mode, for example, the stator 1 is arranged on the machine tool through bolts, and the stator is convenient to assemble and disassemble and convenient to maintain or replace.

In this embodiment, as shown in fig. 2 to 5, the linear motor further includes a guide rail 3 and a chute 9, where the guide rail 3 and the chute 9 are disposed along the length direction of the stator 1, one of them is disposed on the stator 1, the other is disposed on the mover 2, the mover 2 and the stator 1 are slidably connected through the guide rail 3 and the chute 9, and the guide rail 3 and the chute 9 cooperate to provide limiting and guiding functions for the mover 2, so that the accuracy of movement of the mover 2 is higher, thereby improving the accuracy of the whole linear motor, and further improving the accuracy and production efficiency of the production line.

In this embodiment, as shown in fig. 5, the guide rail 3 is an upward elongated protrusion and is disposed on the stator 1, two ends of the protrusion extend along the front-rear direction, the chute 9 is disposed on the bottom surface of the mover 2, specifically a downward opening groove adapted to the protrusion, and the mover 2 can be slidably connected to the stator 1 through the fit between the groove and the protrusion, so that the guiding effect is good and the sliding is smooth. Specifically, the protrusion may be disposed on the top surface of the stator 1 in an integrally formed manner, or may be disposed on the top surface of the stator 1 in an adhesive manner.

In some other embodiments, the guide rail 3 is a strip-shaped protrusion arranged downward and is arranged on the bottom surface of the rotor 2, the chute 9 is arranged on the top surface of the stator 1, in particular an upward opening groove matched with the protrusion, and the rotor 2 can be connected on the stator 1 in a sliding manner through the matching between the groove and the protrusion, and can also realize a guiding effect. Specifically, the protrusion may be provided on the bottom surface of the mover 2 by integrally forming, or may be provided on the bottom surface of the mover 2 by bonding.

In this embodiment, the number of the guide rails 3 is two, both ends of the two guide rails 3 extend along the front-rear direction, and the two guide rails 3 are arranged at intervals along the left-right direction, specifically, the two guide rails 3 are arranged on the top surface of the stator 1 in parallel, so that the movement of the mover 2 is smoother and more stable.

In some other embodiments, the number of the guide rails 3 is one, specifically, the width of the guide rails 3 is slightly smaller than the width of the mover 2, and it can also provide a good guiding effect, and it is understood that the width of the guide rails 3 is not particularly limited. In some other embodiments, the number of the guide rails 3 may be three or more, and the number of the guide rails 3 is not particularly limited.

As shown in fig. 1 to 7, the linear motor device of this embodiment further includes a dust-proof structure, materials or dust generated during the production process often fall into the linear motor, and the dust-proof structure can prevent the materials or dust from falling into the linear motor, and it can be understood that the dust-proof structure is not only dust-proof, but also can prevent materials, scraps and the like from falling into the linear motor, and can also be extended to prevent foreign matters from entering into the linear motor, so as to prevent the foreign matters from damaging the linear motor, thereby protecting the linear motor, ensuring the normal operation of the linear motor, and improving the service life of the linear motor.

In this embodiment, as shown in fig. 1 to 4, the dustproof structure includes first dustproof piece 4 and second dustproof piece 5 of mutual separation, be equipped with the space of dodging that supplies rotor 2 to remove between first dustproof piece 4 and the second dustproof piece 5, first dustproof piece 4 and second dustproof piece 5 are split type structure of mutual separation, when need maintain linear electric motor's inner structure, need not dismantle whole dustproof construction all, only need dismantle one of them dustproof piece alright maintain linear electric motor's inner structure, dismantle more conveniently, maintenance efficiency is higher.

In this embodiment, the first dust-proof member 4 and the second dust-proof member 5 are not in contact with the mover 2, it can be understood that the dust-proof structure is mounted in a non-contact manner with the linear motor, and the dust-proof structure is mounted on the linear motor in a non-contact manner, and the first dust-proof member 4 and the second dust-proof member 5 in the dust-proof structure are not in contact with the mover 2 and the stator 1, so that mutual abrasion between the mover 2 and the dust-proof structure caused by the mover 2 in the moving process is avoided, and the service life of the linear motor and the dust-proof mechanism is prolonged.

In this embodiment, as shown in fig. 1 to 4, the first dust-proof member 4 penetrates the mover 2 along the length direction of the stator 1, that is, the first dust-proof member 4 penetrates the mover 2 along the front-rear direction, specifically, the whole shape of the first dust-proof member 4 is a long strip-shaped plate, as shown in fig. 5, the mover 2 is provided with a containing hole 7 penetrating the mover 2 along the front-rear direction, the size of the containing hole 7 is larger than that of the first dust-proof member 4, after the first dust-proof member 4 is inserted into the containing hole 7, a gap is reserved between the first dust-proof member 4 and the inner wall of the containing hole 7, so that the first dust-proof member 4 can not contact with the mover 2, thereby realizing non-contact installation.

In this embodiment, as shown in fig. 1, the linear motor device further includes two mounting pieces 6, where the mounting pieces 6 are connected with the first dust-proof piece 4, specifically, the two mounting pieces 6 are connected with the first dust-proof piece 4, and the two mounting pieces 6 are respectively disposed at two ends of the stator 1 along the length direction of the stator 1, that is, the two mounting pieces 6 are respectively disposed at front and rear ends of the stator 1, the two mounting pieces 6 are respectively connected at front and rear ends of the first dust-proof piece 4, and the mounting pieces 6 can provide supporting effect for the first dust-proof piece 4, so that the first dust-proof piece 4 can be kept in a suspended state relative to the containing hole 7, and non-contact mounting of the first dust-proof piece 4 is realized. In addition, the mounting piece 6 is detachably mounted on the machine tool, for example, the mounting piece 6 is mounted on the machine tool through bolts, so that the mounting piece 6 is convenient to assemble and disassemble and convenient to repair or replace. Further, the two mounting pieces 6 are disposed next to the stator 1, i.e., there is no gap between the mounting piece 6 and the stator 1, so that the material or dust on the first dust-proof piece 4 can be prevented from falling into the inside of the linear motor from the front or from the rear.

In some other embodiments, only one mounting member 6 may be provided, and the mounting member 6 may be provided at a front end or a rear end of the first dust-proof member 4, which may also provide a supporting function for the first dust-proof member 4, so that the first dust-proof member 4 may be kept in a suspended state with respect to the receiving hole 7, thereby realizing non-contact mounting of the first dust-proof member 4.

In this embodiment, the mounting member 6 is fixedly connected with the first dust-proof member 4 by welding, so that the supporting effect of the mounting member 6 can be improved, and the first dust-proof member 4 can be better kept in a suspended state relative to the accommodating hole 7. In some other embodiments, the mounting member 6 may be detachably connected to the first dust-proof member 4, for example, by connecting an end of the first dust-proof member 4 to the mounting member 6 with a bolt, so as to facilitate disassembly and assembly, and repair or replacement.

In addition, in some other embodiments, in order to keep the first dust-proof member 4 in a suspended state relative to the accommodating hole 7, the mounting member 6 is not necessarily required to be provided, the end portion of the first dust-proof member 4 may be directly connected to the machine tool, the machine tool may be directly used to provide a supporting effect for the first dust-proof member 4, and the first dust-proof member 4 may be kept in a suspended state, so that non-contact mounting of the first dust-proof member 4 may be realized.

In the present embodiment, as shown in fig. 2, 4 and 7, the second dust-proof member 5 includes a first dust-proof portion 51 and a second dust-proof portion 52, the first dust-proof portion 51 is connected to the second dust-proof portion 52, the first dust-proof portion 51 is located above the first dust-proof member 4, the second dust-proof portion 52 is located at a side surface of the stator 1, a projection of the first dust-proof portion 51 in a height direction of the stator 1 covers a space between the first dust-proof member 4 and the second dust-proof portion 52, the first dust-proof member 4 is used for shielding the stator 1, i.e., a main body portion of the linear motor, preventing materials or dust from falling into the interior of the linear motor, and the second dust-proof member 5 is used for shielding other gaps of the linear motor, i.e., preventing materials or dust from falling into the interior of the linear motor from the side surface or upper surface. In order to achieve a good dustproof effect on the premise of ensuring that the first dustproof part 4 does not contact with the rotor 2, the first dustproof part 4 needs to penetrate the rotor 2 along the length direction of the stator 1, the width of the first dustproof part 4 is smaller than the width of the rotor 2, the linear motor in the embodiment is a conventional linear motor, the width of the rotor 2 is equal to the width of the stator 1, the width of the rotor 2 of some linear motors is larger than or smaller than the width of the stator 1, but no matter the width of the rotor 2 is larger than, equal to or smaller than the width of the stator 1, the space between the second dustproof part 52 of the second dustproof part 5 and the first dustproof part 4 is exposed, and therefore, the first dustproof part 51 of the second dustproof part 5 needs to be completely covered above the space to prevent materials or dust from falling into the linear motor from above, so that the dustproof effect of the dustproof structure can be truly achieved on the premise of ensuring non-contact installation.

In this embodiment, the projection of the first dust-proof part 51 in the height direction of the stator 1 is a first projection, the projection of the first dust-proof part 4 in the height direction of the stator 1 is a second projection, the projection of the space between the second dust-proof part 52 and the stator 1 in the height direction of the stator 1 is a third projection, the first projection completely covers the third projection, so that the material or dust can be prevented from falling into the linear motor from above, further, at least part of the first projection is located in the second projection, that is, at least part of the first projection overlaps with the second projection, it can be understood that the first dust-proof part 51 can not only completely cover the gap between the second dust-proof part 52 and the first dust-proof part 4, but also can cover part of the area of the first dust-proof part 4, and the design of upper and lower staggered layers is adopted, so that the material or dust can not fall into the linear motor, and the dust-proof effect can be further improved.

In some other embodiments, the first dust-proof part 51 may be located on the side or below the first dust-proof part 4, so long as the first projection can completely cover the third projection.

In this embodiment, as shown in fig. 4 and 5, the side of the mover 2 facing the first dust-proof portion 51 is provided with the accommodating groove 8, and at least a portion of the first dust-proof portion 51 is inserted into the accommodating groove 8, specifically, the first dust-proof portion 51 is inserted into the accommodating groove 8 in a non-contact manner, that is, a gap exists between the first dust-proof portion 51 and the accommodating groove 8, so that the movement of the mover 2 is not hindered. In some other embodiments, the size of the upper portion of the mover 2 will be smaller than the size of the lower portion, so that the above-mentioned design of upper and lower staggered layers can be achieved without the need of the accommodating groove 8, that is, the first dust-proof portion 51 can cover part of the area of the first dust-proof member 4 without the need of providing the accommodating groove 8, but in order to enhance the carrying effect of the mover 2, the size of the upper portion of the mover 2 is generally designed to be as large as possible, so that the size of the upper portion of the mover 2 is preferably equal to or similar to the size of the lower portion, and in order to ensure the carrying effect, in this embodiment, the accommodating groove 8 is used to avoid the first dust-proof portion 51, so that the upper portion of the mover 2 can be ensured to have a larger size as much as possible, and the carrying effect of the mover 2 is enhanced.

In this embodiment, the second dustproof parts 5 are provided with two, the second dustproof parts 52 of the two second dustproof parts 5 are respectively arranged on two sides of the stator 1 and the rotor 2 along the width direction of the stator 1, that is, the two second dustproof parts 52 are respectively arranged on the left and right sides of the stator 1 and the rotor 2, so that the sliding connection parts of the stator 1 and the rotor 2 can be well covered, the inside of the linear motor can be better protected, materials or dust can be prevented from falling into the inside of the linear motor, and the service life of the linear motor is prolonged.

In this embodiment, as shown in fig. 4 and 6, the first dust-proof member 4 includes a shielding portion 41 and first stop portions 42, two first stop portions 42 are provided, each of the two first stop portions 42 is connected with the shielding portion 41, the two first stop portions 42 are respectively provided on both sides of the shielding portion 41 in the width direction of the stator 1, specifically, when seen from the front, the two first stop portions 42 are respectively provided on both sides of the shielding portion 41, and the two first stop portions 42 extend upward in the height direction of the stator 1, when materials or dust fall on the shielding portion 41, the first stop portions 42 on both sides can prevent the materials or dust from falling into the linear motor from both sides, thereby further improving the dust-proof effect.

In this embodiment, as shown in fig. 4 and 6, one end of the first stop portion 42 is connected to the shielding portion 41, the other end of the first stop portion 42 is bent in a direction away from the second dust-proof portion 52, specifically, taking the left first stop portion 42 as an example, the lower end of the left first stop portion 42 is connected to the left end of the shielding portion 41, the upper end of the left first stop portion 42 extends upward and is bent rightward, a rollback design with a C-shaped structure is formed, similarly, the lower end of the right first stop portion 42 is connected to the right end of the shielding portion 41, and the upper end of the right first stop portion 42 extends upward and is bent leftward, so as to form a rollback design symmetrical to the left first stop portion 42, which can better prevent materials or dust from falling into the linear motor from the left and right sides, and further improve the dust-proof effect.

In this embodiment, as shown in fig. 6, the upper end of the first stop portion 42 is bent toward the middle of the stator 1 to form a flange 43, so as to form a reinforced rolling design, thereby further improving the dust-proof effect.

In this embodiment, as shown in fig. 4 and 7, the second dust-proof member 5 further includes two second stop portions 53, the two second stop portions 53 are respectively connected with the two first dust-proof portions 51 and are located at one ends of the two first dust-proof portions 51 near the mover 2, specifically, taking the right first dust-proof portion 51 as an example, the right end of the right first dust-proof portion 51 is connected with the upper end of the right second dust-proof portion 52, the left end of the right first dust-proof portion 51 extends leftwards and is inserted into the accommodating groove 8, the right second stop portion 53 is connected with the left end of the right first dust-proof portion 51 and extends upwards, a gap is left between the second stop portion 53 and the accommodating groove 8, in the same way, the left end of the left first dust-proof portion 51 is connected with the upper end of the left second dust-proof portion 52, the right end of the left first dust-proof portion 51 extends rightwards and is inserted into the accommodating groove 8, the left second stop portion 53 is connected with the left second stop portion 53 and can slide upwards from the upper end of the right first dust-proof portion to the accommodating groove 8, and the dust-proof effect can be further prevented from sliding upwards from the upper surface of the second stop portion 53.

In this embodiment, as shown in fig. 4 and 7, the second dust-proof member 5 further includes two fixing portions 54, where the number of the fixing portions 54 is two, the two fixing portions 54 are respectively connected to the lower ends of the two second dust-proof portions 52, and the fixing portions 54 are detachably mounted on the machine tool, for example, by bolts, so as to facilitate disassembly and assembly, and repair or replacement. Specifically, the first dust-proof part 51, the second dust-proof part 52 and the fixing part 54 are formed into a whole in a bending or welding mode, so that replacement is convenient, the overall structural strength is higher, and the service life is longer.

In this embodiment, the linear motor device further includes a carrying platform, where the carrying platform is mounted on the mover 2 and located above the mover 2, so as to improve the carrying capacity of the mover 2, specifically, the carrying platform is mounted on the upper surface of the mover 2 in a detachable manner, for example, through a bolt, so that the carrying platform is convenient to mount and dismount, and convenient to repair or replace.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. A linear motor device, comprising:

the linear motor comprises a stator (1) and a rotor (2), and the rotor (2) is connected with the stator (1) in a sliding manner;

a dust-proof structure including a first dust-proof member (4) and a second dust-proof member (5) separated from each other;

wherein, be equipped with the confession between first dust keeper (4) with second dust keeper (5) dodge the space between rotor (2) removal, first dust keeper (4) are located rotor (2) with the top of the sliding connection department of stator (1), second dust keeper (5) include first dust keeper (51) and second dust keeper (52), first dust keeper (51) with second dust keeper (52) are connected, the projection of first dust keeper (51) in the direction of height of stator (1) covers first dust keeper (4) with space between second dust keeper (52), projection of first dust keeper (51) with first dust keeper (4) in the direction of height of stator (1) covers projection of stator (1) in its direction of height.

2. Linear motor device according to claim 1, characterized in that the first dust-proof part (51) is located above the first dust-proof part (4).

3. Linear motor device according to claim 1, characterized in that the projection of the first dust-proof part (51) in the height direction of the stator (1) is at least partially located within the projection of the first dust-proof part (4) in the height direction of the stator (1).

4. Linear motor device according to claim 1, characterized in that the mover (2) is provided with a receiving hole (7), and the first dust-proof member (4) is suspended in the receiving hole (7).

5. Linear motor device according to claim 1, characterized in that two second dust-proof pieces (5) are provided, which second dust-proof pieces (5) are provided on both sides of the stator (1) in the width direction of the stator (1), respectively.

6. Linear motor device according to claim 1, characterized in that the first dust-proof piece (4) comprises a shielding part (41) and a first stop part (42), the first stop parts (42) are provided with two, the two first stop parts (42) are connected with the shielding part (41), and the first stop parts (42) extend upwards along the height direction of the stator (1), and the two first stop parts (42) are respectively arranged at two sides of the shielding part (41) along the width direction of the stator (1).

7. Linear motor device according to claim 1, characterized in that the second dust-proof member (5) further comprises a second stop portion (53), the second stop portion (53) being connected to the first dust-proof portion (51) and being located at an end of the first dust-proof portion (51) near the mover (2), the second stop portion (53) extending upwards in the height direction of the stator (1).

8. The linear motor device according to claim 1, further comprising a mounting member (6), wherein the first dust-proof member (4) is mounted on the mounting member (6), two mounting members (6) are provided, the two mounting members (6) are connected with the first dust-proof member (4), and the two mounting members (6) are respectively provided at both ends of the stator (1) along the length direction of the stator (1).

9. Linear motor device according to any of claims 1-8, characterized in that the linear motor further comprises a guide rail (3) and a chute (9), which guide rail (3) and chute (9) are arranged in the length direction of the stator (1), one of which is arranged on the stator (1) and the other on the mover (2), the mover (2) and stator (1) being in sliding connection via the guide rail (3) and the chute (9).

10. Linear motor device according to any of claims 1-8, characterized in that it further comprises a load platform mounted to the mover (2) above the mover (2).

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