CN217545734U

CN217545734U - Linear motor module

Info

Publication number: CN217545734U
Application number: CN202220170707.7U
Authority: CN
Inventors: 钱鹏飞; 龚政; 黄华; 万磊
Original assignee: Akribis Systems (shanghai) Co ltd
Current assignee: Akribis Systems (shanghai) Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-10-04
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to a linear electric motor module, the on-line screen storage device comprises a base, can be connected with the load slider on the base with sliding, be provided with winding coil and permanent magnet between load slider and the base, winding coil connects on the load slider, the permanent magnet is connected on the base, one side of base is connected with first protection curb plate, the opposite side is connected with second protection curb plate, base upper portion is connected with the protection roof, the protection roof is located the upper portion of load slider, the upper portion both sides of load slider are provided with first storage tank and second storage tank respectively, the one end of protection roof stretches into in the first storage tank, the other end stretches into in the second storage tank, the lower part both sides of load slider are provided with third storage tank and fourth storage tank respectively, first protection curb plate stretches into in the third storage tank, second protection curb plate stretches into in the fourth storage tank. The utility model discloses can prevent effectively that external debris from getting into inside the sharp module, improve the protective effect.

Description

Linear motor module

Technical Field

The utility model relates to the technical field of electric machines, especially, indicate a linear electric motor module.

Background

Compared with the traditional motor, the linear motor can convert electric energy into mechanical energy directly to push the load to do linear motion, has the advantages of simple structure, high transmission efficiency and the like, and in addition, the linear motor module also has the advantages of small motion inertia, high positioning precision, small motion friction, high speed, long service life, convenience in maintenance and timely response, and can reach the highest speed in a very short time. In view of the fact that linear motor modules are increasingly widely used in the industries of medical treatment, semiconductors, new energy, machining and the like.

For the inner structure of protection linear electric motor module, can set up protective structure on the current linear electric motor module, protective structure mainly comprises a plurality of guard plates, but the mechanical clearance that exists among the current protective structure can directly expose module inner structure, in the more abominable place of service environment, water, greasy dirt, dust, granule, widget etc. impurity can get into inside the module through mechanical clearance to influence the operation of module, cause the trouble. Therefore, the existing protection structure cannot effectively protect the internal components of the linear motor module and cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that the protective structure of overcoming linear electric motor module among the prior art can't play the defect of effective guard action.

In order to solve the technical problem, the utility model provides a linear electric motor module, the on-line screen storage device comprises a base, can be connected with the load slider on the base with it is provided with winding coil and permanent magnet between the base, winding coil connects on the load slider, the permanent magnet is connected on the base, one side of base is connected with first protection curb plate, and the opposite side is connected with second protection curb plate, base upper portion is connected with the protection roof, the protection roof is located the upper portion of load slider, the upper portion both sides of load slider are provided with first storage tank and second storage tank respectively, the one end of protection roof stretches into in the first storage tank, the other end stretches into in the second storage tank, the lower part both sides of load slider are provided with third storage tank and fourth storage tank respectively, first protection curb plate stretches into in the third storage tank, the second protection curb plate stretches into in the fourth storage tank.

In an embodiment of the present invention, the middle portion of the protection top plate protrudes upward to form a protruding portion.

In an embodiment of the present invention, the opening direction of the first receiving groove and the second receiving groove faces upward, and the opening direction of the third receiving groove and the fourth receiving groove faces downward.

In an embodiment of the present invention, one end of the protection top plate is bent downward to form a first bending portion, the other end is bent downward to form a second bending portion, the upper portion of the first protection side plate is bent inward to form a third bending portion, the upper portion of the second protection side plate is bent inward to form a fourth bending portion, the first bending portion extends into the first accommodating groove, the second bending portion extends into the second accommodating groove, the third bending portion extends into the third accommodating groove, and the fourth bending portion extends into the fourth accommodating groove.

In an embodiment of the present invention, the first bending portion and the third bending portion are located on one side of the base, the second bending portion and the fourth bending portion are located on the other side of the base, a horizontal distance between the first bending portion and the third bending portion located on the same side of the base is greater than a vertical distance, and a horizontal distance between the second bending portion and the fourth bending portion located on the same side of the base is greater than a vertical distance.

In an embodiment of the present invention, the distance between the protection side plates on both sides of the base is smaller than the width of the protection top plate.

In an embodiment of the present invention, the base is connected with a linear guide, and the load slider is slidably connected to the linear guide.

In an embodiment of the present invention, the linear guide and the base are connected by a bolt.

The utility model discloses an in the embodiment, still be provided with the stopper on the linear guide.

In an embodiment of the present invention, the protection top plate is connected with the base through a cover plate.

Compared with the prior art, the technical scheme of the utility model have following advantage:

linear motor module, can prevent effectively that external debris from getting into inside the sharp module, improved the safeguard effect, effectively guaranteed the operation safety of sharp module, reduced the damage risk of sharp module, improved the life of sharp module.

Drawings

In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings.

Fig. 1 is a schematic structural diagram of a linear motor module according to the present invention;

the specification reference numbers indicate: 1. a base; 2. a load slider; 21. a first accommodating groove; 22. a second accommodating groove; 23. a third accommodating groove; 24. a fourth accommodating groove; 3. a winding coil; 4. a permanent magnet; 5. a first protective side plate; 51. a third bent portion; 6. a second protective side plate; 61. a fourth bent portion; 7. a protective roof; 71. a boss portion; 72. a first bent portion; 73. a second bent portion; 8. a cover plate; 9. a linear guide rail.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

Referring to fig. 1, the embodiment discloses a linear motor module, which includes a base 1, a load slider 2 is connected to the base 1 in a sliding manner, a winding coil 3 and a permanent magnet 4 are arranged between the load slider 2 and the base 1, the winding coil 3 is connected to the load slider 2, and the permanent magnet 4 is connected to the base 1;

one side of base 1 is connected with first protection curb plate 5, the opposite side is connected with second protection curb plate 6, base 1 upper portion is connected with protection roof 7, protection roof 7 is located the upper portion of load slider 2, one side on load slider 2 upper portion is provided with first storage tank 21, the opposite side is provided with second storage tank 22, the one end of protection roof 7 stretches into in first storage tank 21, the other end stretches into in second storage tank 22, one side of load slider 2 lower part is provided with third storage tank 23, the opposite side is provided with fourth storage tank 24, first protection curb plate 5 stretches into in third storage tank 23, second protection curb plate 6 stretches into in fourth storage tank 24.

As the load slider 2 can slide, a certain gap is formed between the protection top plate 7, the first protection side plate 5 and the second protection side plate 6 after extending into the corresponding accommodating grooves, so as to ensure that the load slider 2 can slide smoothly, and avoid the motion interference between the protection top plate 7 and the load slider 2, between the first protection side plate 5 and the load slider 2, and between the second protection side plate 6 and the load slider 2.

It can be understood that, above-mentioned structure is through setting up the storage tank on load slider 2, can be so that the tip of protection top protection roof 7, first protection curb plate 5 and second protection curb plate 6 stretches into inside load slider 2 to improved protective structure's sealed effect, can prevent effectively that outside impurity from getting into inside the module, thereby effectively protect the inside part of module.

In one embodiment, the middle of the protection top plate 7 is raised upwards to form a raised portion 71, so as to prevent dust from accumulating on the top of the protection top plate 7, and the dust can naturally fall down after falling to the raised portion 71.

In one embodiment, the openings of the first receiving groove 21 and the second receiving groove 22 face upward, and the openings of the third receiving groove 23 and the fourth receiving groove 24 face downward, so as to facilitate the processing and the assembly, and further facilitate the sliding of the load slider 2, and the interference of the movement with the protection top plate 7, the first protection side plate 5 and the second protection side plate 6 is not easy to occur.

In one embodiment, one end of the protection top plate 7 is bent downward to form a first bent portion 72, the other end is bent downward to form a second bent portion 73, the upper portion of the first protection side plate 5 is bent inward to form a third bent portion 51, the upper portion of the second protection side plate 6 is bent inward to form a fourth bent portion 61, the first bent portion 72 extends into the first receiving groove 21, the second bent portion 73 extends into the second receiving groove 22, the third bent portion 51 extends into the third receiving groove 23, and the fourth bent portion 61 extends into the fourth receiving groove 24.

In one embodiment, the first bent portion 72 and the third bent portion 51 are located on one side of the base 1, the second bent portion 73 and the fourth bent portion 61 are located on the other side of the base 1, and a horizontal distance L1 between the first bent portion 72 and the third bent portion 51 located on the same side of the base 1 is greater than a vertical distance L3, so as to reduce a mechanical gap between the protective top plate 7 and the first protective side plate 5 on the same side, avoid snooping the internal structure of the module through the mechanical gap, and simultaneously facilitate preventing external impurities from entering the module from the side; similarly, the horizontal distance L2 between the second bending part 73 and the fourth bending part 61 on the same side of the base 1 is greater than the vertical distance L4.

In one embodiment, the distance between the protective side plates on both sides of the base 1 is smaller than the width of the protective top plate 7, so that the internal structure of the module is not directly exposed in the sight range, and external impurities can be better prevented from entering the inside of the module from the upper part.

In one embodiment, a linear guide 9 is connected to the base 1, and the load slider 2 is slidably connected to the linear guide 9 to ensure the sliding stability of the load slider 2.

The protection roof 7, first protection curb plate 5 and second protection curb plate 6 enclose synthetic protection space can prevent effectively that the dust from getting into inside and adhering to linear guide 9 on, and the dust of adhering to on linear guide 9 can accelerate linear guide 9's wearing and tearing, reduces linear guide 9's precision and life, also can increase the noise of motion.

In one embodiment, the linear guide 9 and the base 1 are connected by bolts for easy mounting and dismounting.

In one embodiment, the two sides of the base 1 are connected with linear guide rails 9, so as to better ensure the sliding stability of the load slider 2.

In one embodiment, the linear guide 9 is further provided with a limiting block to limit the movement stroke of the load slider 2, so as to prevent the load slider from slipping off the linear guide 9.

In one embodiment, the protective roof 7 is connected to the base 1 by a cover plate 8.

In one embodiment, an encoder and a grating scale are further connected to the base 1. The grating ruler is used for providing a feedback signal and realizing the accurate positioning of the load sliding block 2.

The working principle of the linear motor module is as follows: when alternating current is introduced into the winding coil 3 group, a traveling wave magnetic field which moves transversely can be generated, the moving direction of the magnetic field runs along a straight line, and the traveling wave magnetic field and the permanent magnet 4 excitation magnetic field interact to generate electromagnetic thrust to push the load sliding block 2 to move linearly.

Further, the winding coil 3 is a three-phase winding coil, and when three-phase alternating current is introduced into the three-phase winding coil, the change of the motion direction of the load slider 2 can be realized by changing the phase sequence of the three-phase current supplied by the motor or exchanging the connection line between any two phase winding power supplies, so that the motor can reciprocate.

When the linear motor module is installed: firstly, cleaning impurities such as oil stain, iron shavings and the like on the base 1, and then fixing the bottom on the mounting table-board; then, the linear guide rail 9 is arranged on the base 1, and the parallelism of the linear guide rail 9 is adjusted by a dial indicator; cleaning the surface of the load sliding block 2, and then installing the load sliding block 2 on the linear guide rail 9; the coil winding is arranged below the load sliding block 2, the permanent magnet 4 is arranged on the upper portion of the base 1, after the installation is completed, the load sliding block 2 is pushed by hands to check whether the movement is smooth, if the movement is smooth and is not blocked, the installation of the encoder and the grating ruler is carried out, the gap of the encoder needs to be adjusted during the installation, and the encoder needs to have a reading signal in the stroke of the linear motor module; then, mounting the first protective side plate 5, the second protective side plate 6 and the cover plate 8 on the base 1, and mounting the protective top plate 7 on the cover plate 8; the coil winding and the relevant cable of the encoder are fixed, and the module is installed after the linear guide rail 9 is filled with lubricating oil.

After the installation is finished, the operation test of the linear motor module is required, and test parameters are recorded. The tested linear motor module is required to be subjected to laser detection, and indexes such as flatness and straightness are detected. The qualified linear motor module can be applied to mechanical production.

According to the linear motor module, on the premise that the performance of the linear motor module is not affected, a special dustproof part is not required to be added, mechanical gaps among the first protective side plate 5, the second protective side plate 6 and the protective top plate 7 are effectively reduced, external sundries (welding slag, oil stain, water vapor and the like) can be effectively prevented from entering the linear module from the upper portion and the side face, dust can be effectively prevented from entering the linear module, the operation safety of the linear module is effectively guaranteed, the damage risk of the linear module is reduced, the service life of the linear module is prolonged, and the purchase and maintenance costs are saved; the whole structure is compact, the volume is small, and the installation and the use are convenient.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a linear electric motor module which characterized in that: the base is included, be connected with the load slider on the base with can sliding, the load slider with be provided with winding coil and permanent magnet between the base, the winding coil connection is in on the load slider, the permanent magnet is connected on the base, one side of base is connected with first protection curb plate, and the opposite side is connected with second protection curb plate, base upper portion is connected with the protection roof, the protection roof is located the upper portion of load slider, the upper portion both sides of load slider are provided with first storage tank and second storage tank respectively, the one end of protection roof stretches into in the first storage tank, the other end stretches into in the second storage tank, the lower part both sides of load slider are provided with third storage tank and fourth storage tank respectively, first protection curb plate stretches into in the third storage tank, second protection curb plate stretches into in the fourth storage tank.

2. The linear motor module of claim 1, wherein: the middle part of the protection top plate protrudes upwards to form a protruding part.

3. The linear motor module as set forth in claim 1, wherein: the openings of the first accommodating groove and the second accommodating groove face upwards, and the openings of the third accommodating groove and the fourth accommodating groove face downwards.

4. A linear motor module according to claim 3, characterized in that: one end of the protection top plate is bent downwards to form a first bent part, the other end of the protection top plate is bent downwards to form a second bent part, the upper portion of the first protection side plate is bent inwards to form a third bent part, the upper portion of the second protection side plate is bent inwards to form a fourth bent part, the first bent part extends into the first accommodating groove, the second bent part extends into the second accommodating groove, the third bent part extends into the third accommodating groove, and the fourth bent part extends into the fourth accommodating groove.

5. The linear motor module according to claim 4, wherein the first bending portion and the third bending portion are located on one side of the base, the second bending portion and the fourth bending portion are located on the other side of the base, a horizontal distance between the first bending portion and the third bending portion located on the same side of the base is greater than a vertical distance, and a horizontal distance between the second bending portion and the fourth bending portion located on the same side of the base is greater than a vertical distance.

6. The linear motor module as set forth in claim 1, wherein: the distance between the protection side plates on the two sides of the base is smaller than the width of the protection top plate.

7. The linear motor module as set forth in claim 1, wherein: the base is connected with a linear guide rail, and the load sliding block can be connected to the linear guide rail in a sliding mode.

8. The linear motor module of claim 7, wherein: the linear guide rail is connected with the base through a bolt.

9. The linear motor module as recited in claim 7, wherein: and the linear guide rail is also provided with a limiting block.

10. The linear motor module as set forth in claim 1, wherein: the protective top plate is connected with the base through the cover plate.