CN117200534A - Linear motor structure and manufacturing method thereof - Google Patents

Abstract

The invention relates to the technical field of motors and discloses a linear motor structure and a manufacturing method thereof. According to the invention, the gap between the connecting line and the circulating joint can be sealed by filling the sealant in the filling groove, then the sealing plate is combined with the inner side of the outer side plate, the generation of the gap is further reduced, the protecting cover is protected on the outer side of the magnet, the embedding groove can enable the installation of the magnet to be more stable, no gap is reserved between the protecting cover and the embedding groove, the embedding groove is integrally arranged in a sealing and fixing structure, and dust or water does not enter the linear motor to cause element damage when the linear motor is used in a special environment.

Description

Linear motor structure and manufacturing method thereof

Technical Field

The invention relates to the technical field of motors, in particular to a linear motor structure and a manufacturing method thereof.

Background

The linear motor is a transmission device for directly converting electric energy into linear motion mechanical energy without any intermediate conversion mechanism, and can be regarded as a rotary motor which is radially split and developed into a plane, and is also called a linear motor, a push rod motor, the most commonly used linear motor types are flat plate type and U-shaped groove type, and tubular type, the typical composition of a coil is three-phase, and brushless phase conversion is realized by a Hall element.

At present, a linear motor can provide rapid linear motion, and is widely applied to industries such as nonstandard automation, semiconductors and the like as a driving component, however, the traditional linear motor is mostly of an exposed structure, when the linear motor works in some special environments (a large amount of dust or water exists in the special environments), a rotor and a stator are not provided with a protective structure, dust is often accumulated between gaps, the linear motor is easy to damage, the service life of the linear motor is shortened, and if epoxy resin is filled between the gaps, the heat dissipation efficiency of the linear motor is reduced due to poor heat conduction efficiency of the epoxy resin, so that the linear motor structure and a manufacturing method thereof are needed to solve the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a linear motor structure and a manufacturing method thereof, which have the advantages of strong sealing performance, good heat dissipation efficiency and the like, and solve the problems of poor sealing performance, easiness in accumulating dust and low heat dissipation efficiency caused by filling epoxy resin.

(II) technical scheme

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a linear electric motor structure, includes the fixed plate, the upper end of fixed plate is equipped with stator module, stator module's top is equipped with the rotor subassembly, the left side of rotor subassembly outer end is equipped with hall sensor, both sides are equipped with sealed dustproof subassembly around the rotor subassembly outer end, the right side of sealed dustproof subassembly front end is equipped with the circulative cooling subassembly, the left side of sealed dustproof subassembly front end is equipped with connecting line, the inside of rotor subassembly is equipped with the iron core, sealed dustproof subassembly is including outer panel, filling tank, packing plate and card holding tank, the outer panel is symmetrical distribution, the relative inboard of outer panel is equipped with the filling tank, the rear end of outer panel is equipped with the packing plate, the front end of packing plate is equipped with the card holding tank.

Preferably, the stator assembly comprises a protective cover, sliding grooves, embedded grooves and magnets, wherein the sliding grooves are formed in the left side and the right side of the outer end of the protective cover, the embedded grooves are formed in the upper end of the inner side of the protective cover, and the magnets are arranged below the embedded grooves.

Preferably, the rotor assembly comprises a laying groove, an insulating frame and a winding coil, wherein the insulating frame is arranged on the inner side of the laying groove, and the winding coil is arranged in the middle of the outer end of the insulating frame.

Preferably, the circulating cooling assembly comprises a cold liquid pipe, a circulating joint, a partition plate and a temperature sensor, wherein the circulating joint is arranged on the right side of the outer end of the cold liquid pipe, the partition plate is arranged on the inner side of the cold liquid pipe, and the temperature sensor is arranged at the lower end of the partition plate.

Preferably, the left and right sides of the upper end of the fixing plate are provided with reinforcing holes, the connecting line is composed of two groups of outgoing lines, one group is a power outgoing line, and the other group is a Hall sensor outgoing line.

Preferably, the iron core is divided into five in whole rows, the limit grooves are formed in the left side and the right side of the outer end of the iron core, and the limit grooves are clamped and limited by the insulating rod.

Preferably, the inside of filling the groove is filled with sealant, the packaging plates are symmetrically distributed, and the clamping groove is matched with the filling groove.

Preferably, waterproof paint is coated on the side surface inside the protective cover, the protective cover is matched with the upper end bulge structure of the fixing plate, and the embedded groove is matched with the magnet.

Preferably, epoxy resin is filled between the cold liquid pipes, two circulating joints are distributed, the circulating joints are communicated with the left side and the right side of the cold liquid pipes, the left side circulating joints are liquid inlet joints, and the right side circulating joints are liquid outlet joints.

Preferably, the method for manufacturing the linear motor comprises the following steps:

s1, providing a fixed plate and arranging an installation notch at the upper end;

s2, clamping and closing the stator assembly and the fixing plate, and then reinforcing by using screws;

s3, combining the iron core with an insulating frame, winding coils are wound subsequently, a partition plate is attached to the outer side of the iron core, a cold liquid pipe is paved in a paving groove, a Hall sensor is reinforced on the outer side of the Hall sensor, a circuit and an internal circuit are integrated, the circuit extends to the outer side from a connecting circuit, epoxy resin is filled in the circuit to enable the circuit to have no holes, and the combination is cured;

s4, installing sealing dustproof assemblies on the front side and the rear side of the outer end of the solidified rotor assembly, and combining the sealing dustproof assemblies with the stator assembly to form the linear motor after being reinforced by screws.

(III) beneficial effects

Compared with the prior art, the invention provides a linear motor structure and a manufacturing method thereof, and the linear motor structure has the following beneficial effects:

1. according to the linear motor structure and the manufacturing method thereof, the gap between the connecting circuit and the circulating connector can be sealed through filling sealant in the filling groove, so that the linear motor structure forms an integral structure, when the outer side plate and the rotor assembly are installed together, the middle part is also provided with the packaging plate and the inner side of the outer side plate to be combined, the gap is further reduced, the whole rotor assembly forms a sealing structure, the magnet can be protected on the outer side through the design of the protecting cover, the design of the embedding groove can enable the installation of the magnet to be more stable, gaps are not reserved between the magnet and the protecting cover, the whole linear motor structure is in the middle of a sealing and fixing structure, the gaps between the magnet cannot be used for accumulating dust or other impurities such as water, and when the linear motor structure is used in special environments, dust or water cannot enter the linear motor to cause element damage.

2. According to the linear motor structure and the manufacturing method thereof, through the design of the circulating joint, the linear motor structure is communicated with external cooling equipment, when the temperature sensor monitors that the upper temperature is too high, the cooling liquid in the cold liquid pipe circulates, the inside of the linear motor structure is rapidly cooled, the cooling efficiency of the inside of the rotor assembly is improved, the problem that elements are damaged due to high temperature is solved, and the service time is prolonged.

Drawings

Fig. 1 is a schematic perspective view of a linear motor according to the present invention;

fig. 2 is a schematic diagram of a three-dimensional separation structure of a sealed dustproof assembly of a linear motor according to the present invention;

fig. 3 is a schematic diagram of a three-dimensional separation structure of a stator assembly of a linear motor according to the present invention;

fig. 4 is a schematic plan view of a circulating cooling assembly of a linear motor according to the present invention;

fig. 5 is a schematic top plan view of a linear motor rotor assembly according to the present invention;

fig. 6 is a schematic diagram of a three-dimensional structure of a linear motor core according to the present invention.

In the figure: 1. a fixing plate; 2. a stator assembly; 3. a mover assembly; 4. a hall sensor; 5. sealing the dustproof assembly; 6. a recirculating cooling assembly; 7. a connection line; 8. an iron core; 201. a protective cover; 202. a chute; 203. an embedding groove; 204. a magnet; 301. paving a groove; 302. an insulating frame; 303. a winding coil; 501. an outer panel; 502. filling the groove; 503. a package plate; 504. a clamping groove; 601. a cold liquid pipe; 602. a circulation joint; 603. a separator plate; 604. a temperature sensor.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-6, a linear motor structure is shown, which comprises a fixed plate 1, reinforcing holes are formed on the left side and the right side of the upper end of the fixed plate 1, a stator assembly 2 is installed on the upper end screw of the fixed plate 1, a rotor assembly 3 is installed on the clamping of the stator assembly 2, a hall sensor 4 is installed on the left side screw of the outer end of the rotor assembly 3, a sealing dustproof assembly 5 is installed on the clamping of the front side and the rear side of the outer end of the rotor assembly 3, a circulating cooling assembly 6 is paved on the right side of the front end of the sealing dustproof assembly 5, a connecting line 7 is installed on the left side of the front end of the sealing dustproof assembly 5 in a communicating way, the connecting line 7 is composed of two groups of outgoing lines, one group is a power outgoing line, the other group is an outgoing line of the hall sensor 4, the inner part of the rotor assembly 3 is sleeved and connected with an iron core 8, the iron core 8 is divided into five in whole rows, the left side and the right side of the outer end of the iron core 8 are provided with limiting grooves, the limiting grooves are clamped and limited by insulating rods, the sealing dustproof assembly 5 comprises an outer side plate 501, a filling groove 502, a packaging plate 503 and clamping grooves 504, the outer side plate 501 is symmetrically distributed, the filling groove 502 is welded and installed on the inner side of the outer side plate 501, sealing glue is filled in the filling groove 502, the packaging plate 503 is clamped and installed at the rear end of the outer side plate 501, the packaging plate 503 is symmetrically distributed, the clamping grooves 504 are welded and installed at the front end of the packaging plate 503, and the clamping grooves 504 are matched with the filling grooves 502; through filling the sealant in the inside of filling groove 502, can seal the gap between connecting wire 7 and the circulation joint 602 and make it form a overall structure, when the outside board 501 is in the same place with rotor subassembly 3 installation, the intermediate part still has package plate 503 to make up with the inboard of outside board 501, further reduce the production in gap, let whole rotor subassembly 3 form a seal structure, when special environment uses, there is not dust or water entering rotor subassembly 3 inside, cause the part to damage, improve its live time.

As a preferred embodiment of the present invention, as shown in fig. 3 and 5, the stator assembly 2 includes a protective cover 201, a chute 202, an embedded slot 203 and a magnet 204, wherein the side surface inside the protective cover 201 is coated with waterproof paint, the protective cover 201 is matched with the protruding structure at the upper end of the fixed plate 1, the left and right sides of the outer end of the protective cover 201 are provided with the chute 202, the upper end of the inner side of the protective cover 201 is provided with the embedded slot 203, the embedded slot 203 is matched with the magnet 204, and the magnet 204 is embedded and installed below the embedded slot 203; the rotor assembly 3 comprises a laying groove 301, an insulating frame 302 and a winding coil 303, wherein the insulating frame 302 is sleeved on the inner side of the laying groove 301, and the winding coil 303 is wound on the middle part of the outer end of the insulating frame 302; through the design of protective cover 201, can protect magnet 204 in the outside to, the design of embedded groove 203 can let magnet 204's installation more stable, no longer leave the gap with between the protective cover 201, wholly be in among the sealed fixed knot constructs, gap between magnet 204 can not pile up dust or other impurity such as water, improve holistic life, and lay the reservation design of groove 301, can let the installation of cold liquid pipe 601 more convenient, when later filling epoxy solidifies, also more convenient, and, insulator 302 and winding coil 303 are because current known technique, consequently, just do not set forth in this text any more.

In the invention, as shown in fig. 4, a circulating cooling assembly 6 comprises a cold liquid pipe 601, circulating joints 602, a division plate 603 and a temperature sensor 604, wherein the cold liquid pipe 601 is attached to the outer end of the division plate 603, epoxy resin is filled between gaps of the cold liquid pipe 601, the right side of the outer end of the cold liquid pipe 601 is provided with the circulating joints 602, two circulating joints 602 are distributed, the circulating joints 602 are communicated with the left side and the right side of the cold liquid pipe 601, the left side circulating joints 602 are liquid inlet joints, the right side circulating joints 602 are liquid outlet joints, the inside of the cold liquid pipe 601 is paved with the division plate 603, and the lower end of the division plate 603 is embedded with the temperature sensor 604; through the design of circulation joint 602, let its and external cooling equipment communicate together, let temperature-sensing ware 604 monitor the top when the high temperature, let the inside coolant liquid of cold liquid pipe 601 circulate, to inside the cooling efficiency of rotor subassembly 3 inside, reduce because the problem of high temperature damage component, improvement live time.

A method of manufacturing a linear motor, comprising the steps of:

s1, providing a fixed plate 1 and forming an installation notch at the upper end;

s2, clamping and closing the stator assembly 2 and the fixed plate 1, and then reinforcing by using screws;

s3, combining the iron core 8 with the insulating frame 302, winding the winding coil 303, attaching the partition plate 603 on the outer side, paving the cold liquid pipe 601 in the paving groove 301, reinforcing the Hall sensor 4 on the outer side, integrating the circuit and the inner circuit, extending from the connecting circuit 7 to the outer side, filling epoxy resin in the inner side to enable the hole to be free, and curing the combination;

s4, installing sealing dustproof assemblies 5 on the front side and the rear side of the outer end of the solidified rotor assembly 3, and combining the solidified rotor assembly with the stator assembly 2 to form the linear motor.

The electrical components appearing in the paper are all electrically connected with an external main controller and a standard commercial power supply, and the main controller can be a conventional known device for controlling a computer and the like.

To sum up, this linear motor structure, through the sealed glue that sets up in filling groove 502 inside, can seal the gap between connecting wire 7 and the circulation joint 602, let it form a overall structure, when outside board 501 and rotor subassembly 3 are in the same place, the intermediate part still has package plate 503 to be in the same place with the inboard of outside board 501, further reduce the production in gap, let whole rotor subassembly 3 form a seal structure, and, through the design of protective cover 201, can protect magnet 204 in the outside, and the design of embedded groove 203, can let magnet 204's installation more stable, no longer leave the gap with protective cover 201, wholly be in among a sealed fixed knot construct, gap can not be in other impurity such as pile up dust or water between the magnet 204, when special environment uses, not have dust or water to get into linear motor's inside, cause the component damage, subsequently through the design of circulation joint 602, let it communicate together with external cooling equipment, let temperature sensor 604 monitor the inside cooling liquid in the top temperature and carry out the protection in the outside, the inside cooling liquid in the cooling tube 601, because of the cooling efficiency is improved, the inside is reduced, the inside cooling time is damaged, the inside cooling component is cooled down, the inside is cooled down, the problem is improved, and the inside cooling time is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a linear electric motor structure, includes fixed plate (1), its characterized in that: the upper end of fixed plate (1) is equipped with stator module (2), the top of stator module (2) is equipped with rotor subassembly (3), the left side of rotor subassembly (3) outer end is equipped with hall sensor (4), both sides are equipped with sealed dustproof subassembly (5) around rotor subassembly (3) outer end, the right side of sealed dustproof subassembly (5) front end is equipped with circulative cooling subassembly (6), the left side of sealed dustproof subassembly (5) front end is equipped with connecting line (7), the inside of rotor subassembly (3) is equipped with iron core (8), sealed dustproof subassembly (5) are including outer panel (501), filling slot (502), encapsulation board (503) and clamping groove (504), outer panel (501) are symmetrical distribution, the relative inboard of outer panel (501) is equipped with filling slot (502), the rear end of outer panel (501) is equipped with encapsulation board (503), the front end of encapsulation board (503) is equipped with clamping groove (504).

2. A linear motor structure according to claim 1, wherein: stator module (2) are including protective cover (201), spout (202), embedded groove (203) and magnet (204), the left and right sides of protective cover (201) outer end is equipped with spout (202), the inboard upper end of protective cover (201) is equipped with embedded groove (203), the below of embedded groove (203) is equipped with magnet (204).

3. A linear motor structure according to claim 1, wherein: the rotor assembly (3) comprises a laying groove (301), an insulating frame (302) and a winding coil (303), wherein the insulating frame (302) is arranged on the inner side of the laying groove (301), and the winding coil (303) is arranged in the middle of the outer end of the insulating frame (302).

4. A linear motor structure according to claim 1, wherein: the cooling circulation assembly (6) comprises a cold liquid pipe (601), a circulating joint (602), a division plate (603) and a temperature sensor (604), wherein the circulating joint (602) is arranged on the right side of the outer end of the cold liquid pipe (601), the division plate (603) is arranged on the inner side of the cold liquid pipe (601), and the temperature sensor (604) is arranged at the lower end of the division plate (603).

5. A linear motor structure according to claim 1, wherein: reinforcing holes are formed in the left side and the right side of the upper end of the fixing plate (1), the connecting circuit (7) is composed of two groups of outgoing lines, one group is a power outgoing line, and the other group is a Hall sensor (4) outgoing line.

6. A linear motor structure according to claim 1, wherein: the iron core (8) is divided into five in whole, limit grooves are formed in the left side and the right side of the outer end of the iron core (8), and the limit grooves are clamped and limited by the insulating rod.

7. A linear motor structure according to claim 1, wherein: the inside of the filling groove (502) is filled with sealant, the packaging plates (503) are symmetrically distributed, and the clamping groove (504) is matched with the filling groove (502).

8. A linear motor structure according to claim 2, characterized in that: waterproof paint is coated on the side surface inside the protective cover (201), the protective cover (201) is matched with the upper end protruding structure of the fixing plate (1), and the embedded groove (203) is matched with the magnet (204).

9. A linear motor structure according to claim 4, wherein: epoxy resin is filled between the cold liquid pipes (601), two circulating joints (602) are distributed, the circulating joints (602) are communicated with the left side and the right side of the cold liquid pipes (601), the left circulating joints (602) are liquid inlet joints, and the right circulating joints (602) are liquid outlet joints.

10. The method of manufacturing a linear motor according to claim 1, comprising the steps of:

s1, providing a fixed plate (1) and arranging an installation notch at the upper end;

s2, clamping and closing the stator assembly (2) and the fixed plate (1), and then reinforcing by using screws;

s3, combining an iron core (8) with an insulating frame (302), winding a winding coil (303) subsequently, attaching a partition plate (603) on the outer side, paving a cold liquid pipe (601) in a paving groove (301), reinforcing a Hall sensor (4) on the outer side, integrating a circuit with an internal circuit, extending from a connecting circuit (7) to the outer side, filling epoxy resin into the circuit to enable the circuit to have no pore, and curing the combination;

s4, installing sealing dustproof assemblies (5) on the front side and the rear side of the outer end of the solidified rotor assembly (3), and combining the solidified rotor assembly with the stator assembly (2) to form the linear motor.