CN114865829A

CN114865829A - High-efficient heat dissipation type servo motor

Info

Publication number: CN114865829A
Application number: CN202210657787.3A
Authority: CN
Inventors: 陈俊健
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-08-05

Abstract

The invention discloses a high-efficiency heat dissipation type servo motor which comprises a servo motor shell arranged on mechanical equipment, wherein a driving assembly is arranged in the servo motor shell; a dust screen attached to a left end of the housing of the servo motor; also includes: the two groups of fixing frames are arranged inside the shell of the servo motor; the turntable is sleeved and fixed on the outer side of the output shaft lever; the condensation pipe is uniformly attached and wound on the outer side of the driving assembly; the oil inlet pipe and the oil collecting tank are respectively arranged at the upper end and the lower end of the right side of the servo motor shell, and oil is respectively added and collected; a fan mounted at a left end of the output shaft. This high-efficient heat dissipation type servo motor is provided with baffle, movable rod etc. makes and to carry out the separation with the moisture in humid environment, avoids invading inside, causes the component to damage to can guarantee the ventilation effect of dust screen, guarantee the forced air cooling effect, realize the automatic injection of lubricating oil simultaneously.

Description

High-efficient heat dissipation type servo motor

Technical Field

The invention relates to the technical field of servo motors, in particular to a high-efficiency heat dissipation type servo motor.

Background

The servo motor drives a control object by converting a voltage signal into a torque and a rotating speed, can be divided into two types of direct current and alternating current servo motors, and promotes the moving position of the object to have high precision by controlling the speed, so that the servo motor is widely applied to mechanical equipment.

However, the existing servo motor has the following problems:

in a water-cooling servo motor with publication number CN110912339A, can follow the operating condition of servo motor main part and dispel the heat the cooling by oneself, and possess two kinds of radiating modes, radiating mode cooperation is used in two for the cooling rate of servo motor main part is fast, and the radiating efficiency is high, in addition, can carry out the shock attenuation buffering to it at servo motor main part during operation through the elastic component that sets up, noise reduction. This servo motor is when utilizing the forced air cooling to dispel the heat to the organism, it will be provided with the vent absolutely necessary, however, be in humid environment, and when not being in operating condition, inside the moisture in the air will get into the motor through the vent, lead to the motor to present the use problem, and when current servo motor utilized the cooperation drive output shaft of inside stator and rotor to rotate, need the ration to pour into lubricating oil into between output shaft and the motor casing, in order to reduce the wearing and tearing when rotating, increase of service life, nevertheless this motor is inconvenient realizes the pouring into of lubricating oil simultaneously in the heat dissipation, the practicality is not good.

We have proposed a high-efficiency heat-dissipating type servo motor in order to solve the problems set forth above.

Disclosure of Invention

The invention aims to provide a high-efficiency heat-dissipation servo motor, which is used for solving the problems that the existing servo motor in the market is easy to cause moisture to enter the motor in a humid environment, so that the use problem is caused, the automatic injection of lubricating oil is inconvenient to realize while heat dissipation, and the practicability is poor.

In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency heat dissipation type servo motor comprises a servo motor shell arranged on mechanical equipment, wherein a driving assembly is arranged inside the servo motor shell, output shaft levers are arranged at the left end and the right end of the driving assembly, and the output shaft levers are connected with the servo motor shell through bearings;

the dustproof net is arranged at the left end of the shell of the servo motor so as to remove outside particle impurities and ensure the normal operation of internal elements;

also includes:

the two groups of fixing frames are arranged inside the servo motor shell, are vertically and symmetrically distributed relative to the center of the servo motor shell, and are provided with ventilation openings at the side parts so as to radiate the inside of the servo motor shell;

the movable rod is arranged in the fixed frame in a sliding mode, and one end, close to the output shaft rod, of the movable rod is located on the outer side of the fixed frame;

the turntable is sleeved and fixed on the outer side of the output shaft lever, and the side part of the turntable is provided with a guide groove;

the condensation pipe is uniformly attached and wound on the outer side of the driving assembly;

the oil inlet pipe and the oil collecting tank are respectively arranged at the upper end and the lower end of the right side of the servo motor shell, and oil is respectively added and collected;

the bolt of the mounting frame is hermetically arranged at the lower part of the right side of the servo motor shell, the upper end of the mounting frame is provided with a filter screen capable of filtering oil impurities, and the space between the mounting frame and the filter screen is communicated with the oil collecting tank;

a fan mounted at a left end of the output shaft, and located at a left side of the turntable.

Preferably, the inside hot melt of mount is connected with the control gasbag, and first cavity and second cavity have been seted up respectively to the inside of mount to first cavity and second cavity respectively through the check valve with the intercommunication is realized to the control gasbag, makes the control gasbag when compressed and the rise recovery, can let in the second cavity with the inside medium of first cavity.

Preferably, the end part of the control air bag is mutually attached to the movable rod, and the side part and the end part of the movable rod are respectively and rotatably provided with a pulley and a roller, so that when the movable rod moves, the control air bag can be intermittently extruded.

Preferably, the gyro wheel laminating sets up in the inside of guide way, and the guide way is the wavy setting that uses the output shaft pole as the center to be block sliding structure from top to bottom between the movable rod at gyro wheel place and the mount, make when the guide way along with the carousel rotates the back, can utilize and the gyro wheel between the cooperation to and the laminating effect between movable rod and the mount, drive the movable rod and carry out reciprocating motion in the inside of mount.

Preferably, the lateral part of pulley is provided with the baffle, and the baffle rotates and installs in the lateral part of mount to the welding has torsion spring between baffle and the mount, and the area of baffle is greater than the vent moreover, makes when the pulley along with the movable rod removal back, can drive the baffle and seal the vent, thereby when being located under the humid environment, can avoid the moisture to get into inside, causes the damage and shortens life to inside component.

Preferably, the first cavity and the second cavity are communicated through a control air bag, the first cavity and the second cavity which are located above the first cavity and the second cavity are respectively connected with two ends of the condensation pipe, and the first cavity and the second cavity which are located below the first cavity and the second cavity are respectively communicated with the space above the oil inlet pipe and the filter screen, so that the circulation of condensed water and the automatic injection of lubricating oil can be realized by utilizing the matching of the two groups of the first cavity and the second cavity.

Preferably, the lateral part fixed mounting of dust screen has the gag lever post, and the gag lever post is located the inside of spacing groove to angles such as spacing groove are seted up in the inside of strikeing the board, and the strikeing board is hung through the cooperation of spacing groove and gag lever post and is established in the outside of dust screen, and the end fixing of strikeing the board has the cylinder moreover, the outside at the fixed column is established to the cylinder cover, and the fixed column is installed in the tip of fan to the cylinder slides and sets up the inside at the fan, makes under the mating reaction of gag lever post and spacing groove, can hang the strikeing board and establish the lateral part at the dust screen.

Preferably, a first magnetic ring is installed on the side portion of the knocking plate, a second magnetic ring with opposite magnetism is correspondingly arranged on the first magnetic ring, and the second magnetic ring is fixedly installed inside the dustproof net, so that the knocking plate can be enabled to be tightly attached to the side portion of the dustproof net under the action of the first magnetic ring and the second magnetic ring.

Preferably, the driver station that the slope arcuation set up is installed to cylindrical inner wall, and driver station and drive wheel laminate each other to the drive wheel rotates and installs in the lateral part of fixed column, makes and passes through the fixed column as the drive wheel and rotate the back along with the fan, can utilize the laminating effect of driver station and drive wheel, drives the lateral part that the dust screen was kept away from to the striking plate.

Compared with the prior art, the invention has the beneficial effects that: this high-efficient heat dissipation type servo motor is provided with baffle, movable rod etc. makes and to carry out the separation with the moisture in humid environment, avoids invading inside, causes the component to damage to can guarantee the ventilation effect of dust screen, guarantee the forced air cooling effect, realize the automatic injection of lubricating oil simultaneously, concrete effect as follows:

1. the rotary table and the movable rod are arranged, so that after the rotary table rotates along with the output shaft rod, the movable rod is driven to move up and down in the fixed frame by utilizing the matching between the guide groove and the roller wheel, so that intermittent extrusion can be performed on the control air bag, the medium in the first cavity can be extracted into the second cavity by controlling the contraction and expansion recovery of the air bag, the condensate water in the condensation pipe can be recycled by the first cavity and the second cavity which are positioned above the rotary table, the lubricating oil can be injected from the oil inlet pipe by the first cavity and the second cavity which are positioned below the rotary table, the abrasion of the end of the output shaft is reduced, meanwhile, the used lubricating oil is gathered in the oil collecting tank, impurities are removed through the filter screen, and the utilization rate of the lubricating oil is improved;

2. the baffle and the pulley are arranged, so that the movable rod can be extruded to the baffle in the up-and-down moving process, the baffle rotates until the vent is sealed, the vent can be sealed by the baffle when not in use, and water vapor in the air can be blocked outside when the air is in a humid environment, so that the air is prevented from entering the interior of the shell of the servo motor and the service life of the shell of the servo motor is shortened;

3. be provided with fixed column and cylinder for after the fixed column rotates along with the fan, can utilize the cooperation of drive wheel and driver station, the dust screen was kept away from to the pulling board of strikeing, utilizes the magnetic action of first magnetic ring and second magnetic ring afterwards, strikes to the dust screen, will be attached to the impurity shake on surface and fall, guarantees the ventilation effect of dust screen, thereby the forced air cooling effect of guarantee fan.

Drawings

FIG. 1 is a schematic view of an overall front cross-sectional structure of the present invention;

FIG. 2 is a side sectional view of the turntable according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the connection structure of the baffle and the fixing frame of the present invention;

FIG. 5 is a schematic front sectional view of a servo motor housing according to the present invention;

FIG. 6 is a schematic view of a front cross-sectional structure of the cylinder and fan assembly according to the present invention;

FIG. 7 is a side perspective view of the striking plate of the present invention;

fig. 8 is a schematic side view of a driving stage according to the present invention.

In the figure: 1. a servo motor housing; 2. a drive assembly; 3. an output shaft; 4. a dust screen; 5. a fixed mount; 6. controlling the air bag; 7. a first cavity; 8. a second cavity; 9. a movable rod; 10. a roller; 11. a guide groove; 12. a turntable; 13. a pulley; 14. a vent; 15. a baffle plate; 16. a torsion spring; 17. a condenser tube; 18. a mounting frame; 19. a filter screen; 20. an oil inlet pipe; 21. an oil collecting tank; 22. a fan; 23. a drive wheel; 24. a limiting rod; 25. a limiting groove; 26. knocking the plate; 27. a first magnetic ring; 28. a second magnetic ring; 29. a cylinder; 30. fixing a column; 31. and driving the table.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a high-efficiency heat dissipation type servo motor comprises a servo motor shell 1 installed on mechanical equipment, a driving assembly 2 is installed inside the servo motor shell 1, output shaft rods 3 are installed at the left end and the right end of the driving assembly 2, and the output shaft rods 3 are connected with the servo motor shell 1 through bearings; the dustproof net 4 is arranged at the left end of the servo motor shell 1 to remove outside particle impurities and ensure the normal operation of internal elements; also includes: the two groups of fixing frames 5 are arranged inside the servo motor shell 1, the two groups of fixing frames 5 are vertically and symmetrically distributed around the center of the servo motor shell 1, and ventilation openings 14 are formed in the side parts of the fixing frames 5 so as to radiate the inside of the servo motor shell 1; the movable rod 9 is arranged inside the fixed frame 5 in a sliding manner, and one end, close to the output shaft rod 3, of the movable rod 9 is positioned outside the fixed frame 5; a rotary table 12, which is fixedly sleeved outside the output shaft 3, and a guide groove 11 is formed on the side of the rotary table 12; the condensation pipe 17 is uniformly attached and wound on the outer side of the driving assembly 2; the oil inlet pipe 20 and the oil collecting tank 21 are respectively arranged at the upper end and the lower end of the right side of the servo motor shell 1 and respectively realize the addition and the collection of oil liquid; a mounting rack 18 which is mounted on the lower part of the right side of the servo motor shell 1 in a bolt sealing manner, a filter screen 19 capable of filtering oil impurities is mounted at the upper end of the mounting rack 18, and a space between the mounting rack 18 and the filter screen 19 is communicated with an oil collecting tank 21; the interior of the fixing frame 5 is connected with a control air bag 6 in a hot melting mode, a first cavity 7 and a second cavity 8 are respectively formed in the fixing frame 5, and the first cavity 7 and the second cavity 8 are respectively communicated with the control air bag 6 through one-way valves; the end part of the control air bag 6 is mutually attached to the movable rod 9, and the side part and the end part of the movable rod 9 are respectively and rotatably provided with a pulley 13 and a roller 10; the roller 10 is arranged inside the guide groove 11 in a fitting manner, the guide groove 11 is arranged in a wavy manner by taking the output shaft rod 3 as a center, and an up-and-down clamping sliding structure is arranged between the movable rod 9 where the roller 10 is positioned and the fixed frame 5; the first cavity 7 and the second cavity 8 are communicated through the control air bag 6, the first cavity 7 and the second cavity 8 which are positioned above are respectively connected with two ends of the condenser pipe 17, and the first cavity 7 and the second cavity 8 which are positioned below are respectively communicated with the space above the oil inlet pipe 20 and the filter screen 19;

referring to fig. 1-3 and 5, firstly, the driving assembly 2 is powered on to drive the output shaft 3 to rotate, after the output shaft 3 rotates, the rotating disc 12 and the fan 22 can be driven to rotate, after the rotating disc 12 rotates, the movable rod 9 can be driven to reciprocate in the fixed frame 5 by utilizing the matching between the guide groove 11 formed in the rotating disc 12 and the roller 10 and the bonding action between the movable rod 9 and the fixed frame 5, when the movable rod 9 reciprocates in the fixed frame 5, the movable rod can be intermittently extruded to the control air bag 6, so that the control air bag 6 obtains a compression action, and then the control air bag 6 expands and recovers under the action of self elasticity when not subjected to an acting force, because the control air bag 6 is respectively communicated with the first cavity 7 and the second cavity 8, the medium in the first cavity 7 can be extracted into the second cavity 8, therefore, condensed water and lubricating oil can be recycled by the aid of the upper and lower groups of first cavities 7 and second cavities 9 which are respectively positioned in the servo motor shell 1, in the process of recycling the lubricating oil, the lubricating oil is injected through the oil inlet pipe 20, then is gathered in the oil collecting tank 21, impurities in the lubricating oil are removed through the filter screen 19, and then the lubricating oil returns to the recycling operation, so that the utilization rate of the lubricating oil is greatly improved, and the removed impurities can be removed through the detachable mounting frame 18;

a baffle 15 is arranged at the side part of the pulley 13, the baffle 15 is rotatably arranged at the side part of the fixed frame 5, a torsion spring 16 is welded between the baffle 15 and the fixed frame 5, and the area of the baffle 15 is larger than that of the vent 14;

3-4, when the baffle 15 moves, the pulley 13 can be used to drive the baffle 15 to close the vent 14, so as to prevent external moisture from entering the interior and shorten the service life of the internal components;

a fan 22 installed at the left end of the output shaft 3, and the fan 22 is located at the left side of the turntable 12; a limiting rod 24 is fixedly mounted on the side portion of the dustproof net 4, the limiting rod 24 is located inside a limiting groove 25, the limiting groove 25 is arranged inside a knocking plate 26 at an equal angle, the knocking plate 26 is hung on the outer side of the dustproof net 4 through the matching of the limiting groove 25 and the limiting rod 24, a cylinder 29 is fixed at the end portion of the knocking plate 26, the cylinder 29 is sleeved on the outer side of a fixing column 30, the fixing column 30 is mounted at the end portion of the fan 22, and the cylinder 29 is arranged inside the fan 22 in a sliding mode; a first magnetic ring 27 is arranged on the side of the knocking plate 26, a second magnetic ring 28 with opposite magnetism is correspondingly arranged on the first magnetic ring 27, and the second magnetic ring 28 is fixedly arranged inside the dust screen 4; a driving platform 31 which is obliquely and arcuately arranged is installed on the inner wall of the column 29, the driving platform 31 is mutually attached to the driving wheel 23, and the driving wheel 23 is rotatably installed on the side part of the fixed column 30;

referring to fig. 1 and fig. 6-8, after the fan 22 rotates, the fan can cool and dissipate heat of the motor, and when the fan 22 rotates, the fan can drive the striking plate 26 to move towards the inside of the fan 22 by using the attaching effect between the driving wheel 23 and the driving platform 31 installed on the fixing column 30, i.e. away from the dust screen 4, and then under the opposite attraction effect between the first magnetic ring 27 and the second magnetic ring 28, the striking plate 26 can strike the dust screen 4 to shake off impurities attached to the surface of the dust screen 4, so that the ventilation effect of the dust screen 4 can be ensured, and the air cooling effect of the motor can be ensured.

The working principle is as follows: when the high-efficiency heat dissipation type servo motor is used, as shown in fig. 1-8, the driving assembly 2 is powered on to drive the output shaft lever 3 to rotate, the movable lever is driven to extrude to the control air bag 6 by the cooperation between the rotary disc 12 and the movable lever 9, so that the upper and lower groups of first cavities 7 and second cavities 8 respectively realize the circulating flow of condensed water and lubricating oil, the water cooling effect of the motor is realized, the lubricating oil can be intermittently injected, the used lubricating oil is filtered by the filter screen 19, meanwhile, the output shaft lever 3 drives the fan 22 to perform air cooling, the fan 22 drives the knocking plate 26 to knock the dust screen 4 by the cooperation between the driving wheel 23 and the driving table 31 and the magnetic action between the first magnetic ring 27 and the second magnetic ring 28 during the rotation process, the ventilation effect of the dust screen 4 is ensured, when the high-efficiency heat dissipation type servo motor is not used, and when the motor is in a humid environment, since the movable rod 9 can cover the ventilation opening 14 by the baffle plate 15 during moving, the moisture in the air is prevented from entering the inside, and the service life is shortened.

Those not described in detail in this specification are prior art well known to those skilled in the art, and in the description of the present invention, "plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A high-efficiency heat dissipation type servo motor comprises a servo motor shell (1) installed on mechanical equipment, wherein a driving assembly (2) is installed inside the servo motor shell (1), output shaft levers (3) are installed at the left end and the right end of the driving assembly (2), and the output shaft levers (3) are connected with the servo motor shell (1) through bearings;

the dustproof net (4) is arranged at the left end of the servo motor shell (1) to remove outside particle impurities and ensure the normal operation of internal elements;

it is characterized by also comprising:

the two groups of fixing frames (5) are arranged inside the servo motor shell (1), the two groups of fixing frames (5) are vertically and symmetrically distributed relative to the center of the servo motor shell (1), and ventilation openings (14) are formed in the side parts of the fixing frames (5) so as to radiate the inside of the servo motor shell (1);

the movable rod (9) is arranged in the fixed frame (5) in a sliding mode, and one end, close to the output shaft lever (3), of the movable rod (9) is located on the outer side of the fixed frame (5);

the turntable (12) is sleeved and fixed on the outer side of the output shaft lever (3), and a guide groove (11) is formed in the side part of the turntable (12);

the condensation pipe (17) is uniformly attached and wound on the outer side of the driving assembly (2);

the oil inlet pipe (20) and the oil collecting tank (21) are respectively arranged at the upper end and the lower end of the right side of the servo motor shell (1) and respectively realize the addition and collection of oil liquid;

the mounting rack (18) is mounted on the lower portion of the right side of the servo motor shell (1) in a bolt sealing mode, a filter screen (19) capable of filtering oil impurities is mounted at the upper end of the mounting rack (18), and a space between the mounting rack (18) and the filter screen (19) is communicated with the oil collecting tank (21);

a fan (22) mounted at the left end of the output shaft (3), the fan (22) being located to the left of the turntable (12).

2. A high efficiency heat dissipation type servo motor as recited in claim 1, wherein: the internal hot melting of mount (5) is connected with control gasbag (6), and first cavity (7) and second cavity (8) have been seted up respectively to the inside of mount (5) to first cavity (7) and second cavity (8) respectively through the check valve with control gasbag (6) realize the intercommunication.

3. A high efficiency heat dissipation type servo motor as recited in claim 2, wherein: the end part of the control air bag (6) is mutually attached to the movable rod (9), and the side part and the end part of the movable rod (9) are respectively and rotatably provided with a pulley (13) and a roller (10).

4. A high efficiency heat dissipation type servo motor as recited in claim 3, wherein: the roller (10) is attached to the inside of the guide groove (11), the guide groove (11) is in a wavy arrangement with the output shaft rod (3) as the center, and an upper and lower clamping sliding structure is arranged between the movable rod (9) where the roller (10) is located and the fixed frame (5).

5. The high-efficiency heat dissipation type servo motor according to claim 4, wherein: a baffle (15) is arranged on the side portion of the pulley (13), the baffle (15) is rotatably mounted on the side portion of the fixing frame (5), a torsion spring (16) is welded between the baffle (15) and the fixing frame (5), and the area of the baffle (15) is larger than that of the vent (14).

6. A high efficiency heat dissipation type servo motor as recited in claim 2, wherein: the first cavity (7) and the second cavity (8) are communicated through the control air bag (6), the first cavity (7) and the second cavity (8) which are positioned above are respectively connected with two ends of the condensation pipe (17), and the first cavity (7) and the second cavity (8) which are positioned below are respectively communicated with the space above the oil inlet pipe (20) and the filter screen (19).

7. A high efficiency heat dissipation type servo motor as recited in claim 1, wherein: lateral part fixed mounting of dust screen (4) has gag lever post (24), and gag lever post (24) are located the inside of spacing groove (25), and inside of knocking board (26) is seted up to angles such as spacing groove (25), and knocking board (26) are hung the outside of establishing in dust screen (4) through the cooperation of spacing groove (25) and gag lever post (24), and the end fixing of knocking board (26) has cylinder (29) moreover, the outside at fixed column (30) is established in cylinder (29) cover, and fixed column (30) install in the tip of fan (22), and cylinder (29) slide and set up the inside at fan (22).

8. A high efficiency heat dissipation type servo motor as recited in claim 7, wherein: a first magnetic ring (27) is installed on the side portion of the knocking plate (26), a second magnetic ring (28) with opposite magnetism is correspondingly arranged on the first magnetic ring (27), and the second magnetic ring (28) is fixedly installed inside the dustproof net (4).

9. A high efficiency heat dissipation type servo motor as recited in claim 7, wherein: the inner wall of the column (29) is provided with a driving platform (31) which is obliquely and arcuately arranged, the driving platform (31) is mutually attached to the driving wheel (23), and the driving wheel (23) is rotatably arranged at the side part of the fixed column (30).