CN215567841U

CN215567841U - Speed reducer for servo motor with waterproof and dustproof functions

Info

Publication number: CN215567841U
Application number: CN202120984779.0U
Authority: CN
Inventors: 蒋福新; 范春林; 范华
Original assignee: Changzhou Yuankai Machinery Co ltd
Current assignee: Changzhou Yuankai Machinery Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-01-18
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a speed reducer with waterproof and dustproof functions for a servo motor, and relates to the technical field of speed reducer equipment. According to the utility model, through arranging the first screw rod and the extension spring, lubricating oil is placed in the liquid storage cavity, the cavity is not communicated with the outside, the lubricating oil is stored in the liquid storage cavity, dust and water vapor in air are prevented from entering the cavity, the working effect of the device is ensured, and through arranging the oil suction pipeline and the turbine, the lubricating oil at the bottom of the cavity is discharged from the upper part of the crushing shaft, so that the gear set is lubricated for multiple times, and the lubricating effect of the device is ensured.

Description

Speed reducer for servo motor with waterproof and dustproof functions

Technical Field

The utility model relates to the technical field of speed reducer equipment, in particular to a speed reducer with waterproof and dustproof functions for a servo motor.

Background

The servo motor is a high-precision motor, realizes closed-loop control of position, speed and moment, overcomes the problem of step loss compared with a stepping motor, and has high-speed performance. When the servo motor is used for operation, the servo motor may be required to rotate at a slow speed according to the operation demand, and the speed is usually reduced by a speed reducer. The speed reducer is generally used for low-rotation-speed and high-torque transmission equipment, the power of a servo motor running at a high speed is meshed with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer to achieve the purpose of speed reduction, and the speed reducer is widely applied.

The speed reducer for the existing servo motor usually needs to regularly add lubricating oil to inside, carries out lubrication work to the gear of inside, reduces the wearing and tearing of gear, guarantees the life of gear, and when adding lubricating oil again, the inside cavity of speed reducer is linked together with the external world, and dust and steam in the air get into the cavity easily this moment, cause the influence to the surface of gear to influence the working effect of device.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a speed reducer for a servo motor having waterproof and dustproof functions to solve the problems of the related art.

In order to solve the technical problems, the utility model provides the following technical scheme: a speed reducer with waterproof and dustproof functions for a servo motor comprises a speed reducer body, wherein a cavity is formed in the speed reducer body, a gear set is arranged in the cavity, a liquid storage cavity is formed in the top of the inner wall of the cavity above the gear set and is communicated with the outer side of the speed reducer body, a sealing mechanism is arranged on the inner wall of the liquid storage cavity, movable blocks in sliding connection are arranged on two sides of the inner wall of the liquid storage cavity, the top of each movable block is rotatably connected with the sealing mechanism, a baffle plate in rotating connection is arranged on one side, above the liquid storage cavity, of the top of the inner wall of the cavity, an extension spring is arranged on one side, above the baffle plate, one end of the extension spring is fixedly connected with the movable blocks, a second lead screw in rotating connection is arranged on the top of the inner wall of the cavity above the baffle plate, and one end of the second lead screw penetrates through the baffle plate and extends to the position below the baffle plate, the second lead screw bottom in the baffle below is equipped with the stopper of rotating the connection, second lead screw top extends to speed reducer main part outside and cover are equipped with the second carousel, cavity inner wall top in baffle one side is equipped with watering mechanism, the cavity inner wall in watering mechanism one side is equipped with oil absorption mechanism.

Further, sealing mechanism includes the fixed block, the fixed block set up in stock solution intracavity wall one side, the inboard cover of fixed block is equipped with the first lead screw of rotating the connection, first lead screw one end extends to speed reducer main part outside and cover are equipped with first carousel, stock solution intracavity wall both sides top symmetry is equipped with the closing plate of rotating the connection, the closing plate is close to stock solution intracavity wall one side is equipped with compression spring, compression spring one end with closing plate inner wall fixed connection, two the spout has been seted up to the adjacent one side symmetry of closing plate outer wall, carries out sealed work to the stock solution chamber.

Further, watering mechanism includes servo motor, servo motor set up in inside the speed reducer main part, servo motor is located baffle one side, the servo motor output shaft is equipped with broken axle in the inside cover of cavity, broken axle is located baffle one side broken axle contacts with lubricating oil, breaks up lubricating oil.

Furthermore, an oil outlet is formed in the bottom of the inner wall of the cavity, a lead screw nut matched with the second lead screw is arranged in the speed reducer main body, a through groove matched with the second lead screw is formed in the top of the baffle, lubricating oil is discharged from the oil outlet and drives the second lead screw to move through the lead screw nut, and the stability of the second lead screw during movement is guaranteed due to the limitation of the through groove.

Furthermore, a sealing ring is arranged at the bottom of the first rotary disc in a matched mode, a ball bearing matched with the sealing plate is arranged on the inner wall of the liquid storage cavity, and the sealing effect of the first rotary disc is guaranteed by the sealing ring.

Further, oil absorption mechanism is including inhaling oil pipe way, inhale oil pipe way set up in the cavity inner wall, inhale oil pipe way one end and be located crushing axle top, inhale the oil pipe way other end and be located cavity inner wall bottom, cavity inner wall bottom in inhale oil pipe way one side and be equipped with the guide block, cavity inner wall top in crushing axle one side is equipped with the pivot of rotating the connection, pivot one end extends to inhale the inside and cover of oil pipe way and be equipped with the turbine, the pivot with crushing off-axial wall cover is equipped with same sliding connection's track, transports the top of gear train with the oil of cavity bottom.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through arranging the first screw rod, the sealing plate, the baffle and the extension spring, lubricating oil is placed in the liquid storage cavity, the baffle isolates the cavity from outside air, and when the lubricating oil is added, the cavity is not communicated with the outside, and the lubricating oil is stored in the liquid storage cavity, so that dust and water vapor in air are prevented from entering the cavity, and the working effect of the device is ensured.

2. The oil suction pipeline and the turbine are arranged, and the turbine sucks the lubricating oil at the bottom of the cavity into the oil suction pipeline and then discharges the lubricating oil from the upper part of the crushing shaft, so that the gear set is lubricated for multiple times, and the lubricating effect of the device is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front cross-sectional view of the present invention in its entirety;

FIG. 2 is an enlarged schematic view of the utility model at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the utility model at B of FIG. 1;

FIG. 4 is an enlarged schematic view of the utility model at C of FIG. 1;

in the figure: 1. a reducer body; 2. a cavity; 3. a gear set; 4. a liquid storage cavity; 5. a fixed block; 6. a first lead screw; 7. a first turntable; 8. a sealing plate; 9. a compression spring; 10. a chute; 11. a movable block; 12. a baffle plate; 13. an extension spring; 14. a second lead screw; 15. a limiting block; 16. a second turntable; 17. a servo motor; 18. a crushing shaft; 19. an oil suction pipe; 20. a guide block; 21. a rotating shaft; 22. a turbine; 23. a crawler belt.

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. 1-3, the present invention provides the following technical solutions: a speed reducer with waterproof and dustproof functions for a servo motor comprises a speed reducer body 1, wherein a cavity 2 is formed in the speed reducer body 1, a gear set 3 is arranged in the cavity 2, a liquid storage cavity 4 is formed in the top of the inner wall of the cavity 2 above the gear set 3, the liquid storage cavity 4 is communicated with the outer side of the speed reducer body 1, a sealing mechanism is arranged on the inner wall of the liquid storage cavity 4 and comprises a fixed block 5, the fixed block 5 is arranged on one side of the inner wall of the liquid storage cavity 4, a first screw rod 6 in rotary connection is sleeved on the inner side of the fixed block 5, one end of the first screw rod 6 extends to the outer side of the speed reducer body 1 and is sleeved with a first rotating disc 7, sealing plates 8 in rotary connection are symmetrically arranged on the tops of the two sides of the inner wall of the liquid storage cavity 4, a compression spring 9 is arranged on one side, close to the inner wall of the liquid storage cavity 4, of the sealing plates 8, one end of the compression spring 9 is fixedly connected with the inner walls of the sealing plates 8, sliding grooves 10 are symmetrically formed in one side of the two adjacent outer walls of the sealing plates 8, two sides of the inner wall of the liquid storage cavity 4 are provided with the same sliding-connected movable block 11, the top of the movable block 11 is rotatably connected with the sealing mechanism, the top of the inner wall of the cavity 2 is provided with a baffle 12 rotatably connected with one side of the liquid storage cavity 4, one side of the baffle 12 of the liquid storage cavity 4 is provided with an extension spring 13, one end of the extension spring 13 is fixedly connected with the movable block 11, the top of the inner wall of the cavity 2 is provided with a second screw rod 14 rotatably connected with the baffle 12, one end of the second screw rod 14 penetrates through the baffle 12 and extends to the lower part of the baffle 12, the bottom end of the second screw rod 14 is provided with a limiting block 15 rotatably connected with the baffle 12, the top end of the second screw rod 14 extends to the outer side of the speed reducer main body 1 and is sleeved with a second rotary table 16, the top of the inner wall of the cavity 2 is provided with a sprinkling mechanism on one side of the baffle plate 12, the sprinkling mechanism comprises a servo motor 17, the servo motor 17 is arranged inside the speed reducer body 1, the servo motor 17 is positioned on one side of the baffle plate 12, an output shaft of the servo motor 17 is sleeved with a crushing shaft 18 inside the cavity 2, and the crushing shaft 18 is positioned on one side of the baffle plate 12.

An oil outlet is formed in the bottom of the inner wall of the cavity 2, a lead screw nut matched with the second lead screw 14 is arranged in the speed reducer main body 1, a through groove matched with the second lead screw 14 is formed in the top of the baffle 12, waste lubricating oil is discharged from the oil outlet, the second lead screw 14 and the lead screw nut rotate relatively to drive the second lead screw 14 to move, the through groove limits the moving direction of the second lead screw 14, and the stability of the second lead screw 14 during moving is guaranteed.

The bottom of the first rotating disc 7 is provided with a sealing ring in a matching manner, the inner wall of the liquid storage cavity 4 is provided with a ball bearing matched with the sealing plate 8, the sealing ring increases the friction force between the first rotating disc 7 and the sealing plate 8, the sealing effect of the first rotating disc 7 is ensured, the ball bearing is arranged to replace the rotation, and the smoothness of the sealing plate 8 during rotation is ensured.

The implementation mode is specifically as follows: when the device is used, through the arrangement of the first screw rod 6, the sealing plates 8, the baffle 12 and the extension spring 13, when lubricating oil needs to be added into the cavity 2 in the speed reducer main body 1 in work, the first rotary disc 7 is manually driven to move, the first screw rod 6 moves along with the first screw rod, so that the first rotary disc 7 and the first screw rod 6 move upwards along the sliding groove 10, at the moment, the first rotary disc 7 is not contacted with the two sealing plates 8 any more, the compression spring 9 pushes the two sealing plates 8 to move outwards, a guiding effect is achieved for the lubricating oil adding work, when the first screw rod 6 moves upwards, the movable block 11 moves upwards along with the first screw rod, the extension spring 13 is elongated, the baffle 12 is driven by tensile force to be tightly attached to the top of the inner wall of the cavity 2, the liquid storage cavity 4 is sealed, at the moment, the lubricating oil is placed into the liquid storage cavity 4, the baffle 12 separates the cavity 2 from the outside air, thereby preventing dust and water vapor in the air from entering the cavity 2, ensuring the working effect of the device, after the lubricating oil in the liquid storage cavity 4 is added, manually pushing the two sealing plates 8 to recover the original positions, compressing the compression spring 9 to compress and rotate the first rotary disc 7 to recover the original positions, extruding and sealing the sealing plates 8, moving the movable block 11 downwards, the extension spring 13 to recover the original positions, the baffle plate 12 downwards rotating and no longer sealing the liquid storage cavity 4, at the moment, the lubricating oil in the liquid storage cavity 4 can flow into the cavity 2 through the baffle plate 12, the servo motor 17 starts to work to drive the crushing shaft 18 to rotate, scattering the lubricating oil flowing down from the baffle plate 12, making the lubricating oil become small liquid drops to fall above the gear set 3, ensuring the lubricating effect of the lubricating oil, if excessive lubricating oil does not need to be added, the second rotary disc 16 can be manually rotated, second lead screw 14 drives stopper 15 and upwards moves, promotes baffle 12 and upwards rotates, and baffle 12 is sealed with stock solution chamber 4 once more, stores lubricated liquid in stock solution chamber 4's inside this moment, reuses when needing, need not to add lubricated liquid work repeatedly, has guaranteed the dustproof and waterproof effect of device.

Referring to fig. 1 and 4, the present invention provides a technical solution: the utility model provides a speed reducer for servo motor that possesses waterproof, dustproof function, still including set up in the oil absorption mechanism of 2 inner wall one sides of cavity, oil absorption mechanism is located one side of watering mechanism, oil absorption mechanism is including inhaling oil pipe 19, inhale oil pipe 19 set up in 2 inner walls of cavity, inhale 19 one end of oil pipe and be located broken axle 18 top, inhale the oil pipe 19 other end and be located 2 inner wall bottom of cavity, 2 inner wall bottom of cavity in inhale oil pipe 19 one side and be equipped with guide block 20, 2 inner wall tops of cavity in broken axle 18 one side is equipped with the pivot 21 of rotating the connection, pivot 21 one end extends to inhale the inside and cover of oil pipe 19 and be equipped with turbine 22, pivot 21 with 18 outer wall cover of broken axle is equipped with same sliding connection's track 23.

The implementation mode is specifically as follows: when the device is used, the oil suction pipeline 19 and the turbine 22 are arranged, in work, lubricating oil falling from the gear set 3 is guided to one side of the bottom end of the oil suction pipeline 19 by the guide block 20, the servo motor 17 drives the crushing shaft 18 to move, meanwhile, the rotating shaft 21 is driven to rotate, and the turbine 22 rotates along with the rotation of the crushing shaft, so that the lubricating oil at the bottom of the cavity 2 is sucked into the oil suction pipeline 19 and then is discharged from the upper part of the crushing shaft 18, the gear set 3 is lubricated for multiple times, and the lubricating effect of the device is guaranteed.

The working principle of the utility model is as follows:

referring to the attached drawings 1-3 of the specification, by arranging the first lead screw 6, the sealing plate 8, the baffle 12 and the extension spring 13, lubricating oil is placed in the liquid storage cavity 4, the baffle 12 isolates the cavity 2 from the outside air, when the lubricating oil is added, the cavity 2 is not communicated with the outside, and the lubricating oil is stored in the liquid storage cavity 4, so that dust and water vapor in the air are prevented from entering the cavity 2, and the working effect of the device is ensured.

Further, referring to the attached fig. 1 and 4 of the specification, by providing the oil suction pipe 19 and the turbine 22, the turbine 22 sucks the lubricating oil at the bottom of the cavity 2 into the oil suction pipe 19 and then discharges the lubricating oil from above the crushing shaft 18, so that the gear set 3 is lubricated for multiple times, and the lubricating effect of the device is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a speed reducer for servo motor that possesses waterproof, dustproof function, includes speed reducer main part (1), its characterized in that: a cavity (2) is formed in the speed reducer main body (1), a gear set (3) is arranged in the cavity (2), a liquid storage cavity (4) is formed in the top of the inner wall of the cavity (2) above the gear set (3), the liquid storage cavity (4) is communicated with the outer side of the speed reducer main body (1), a sealing mechanism is arranged on the inner wall of the liquid storage cavity (4), the two sides of the inner wall of the liquid storage cavity (4) are provided with movable blocks (11) which are connected in a sliding mode, the top of each movable block (11) is connected with the sealing mechanism in a rotating mode, a baffle (12) which is connected in a rotating mode is arranged on one side of the liquid storage cavity (4) at the top of the inner wall of the cavity (2), an extension spring (13) is arranged on one side of the liquid storage cavity (4), one end of each extension spring (13) is fixedly connected with the corresponding movable block (11), and a second screw rod (14) which is connected in a rotating mode is arranged on the top of the inner wall of the cavity (2) above the baffle (12), second lead screw (14) one end runs through baffle (12) and extends to baffle (12) below, second lead screw (14) bottom in baffle (12) below is equipped with stopper (15) of rotating the connection, second lead screw (14) top extends to the speed reducer main part (1) outside and cover are equipped with second carousel (16), cavity (2) inner wall top in baffle (12) one side is equipped with watering mechanism, cavity (2) inner wall in watering mechanism one side is equipped with oil absorption mechanism.

2. The speed reducer for a servo motor having waterproof and dustproof functions according to claim 1, characterized in that: sealing mechanism includes fixed block (5), fixed block (5) set up in stock solution chamber (4) inner wall one side, the inboard cover of fixed block (5) is equipped with rotates first lead screw (6) of connecting, first lead screw (6) one end extends to speed reducer main part (1) outside and cover are equipped with first carousel (7), stock solution chamber (4) inner wall both sides top symmetry is equipped with rotates closing plate (8) of connecting, closing plate (8) are close to stock solution chamber (4) inner wall one side is equipped with compression spring (9), compression spring (9) one end with closing plate (8) inner wall fixed connection, two adjacent one side symmetry of closing plate (8) outer wall has seted up spout (10).

3. The speed reducer for a servo motor having waterproof and dustproof functions according to claim 1, characterized in that: watering mechanism includes servo motor (17), servo motor (17) set up in inside speed reducer main part (1), servo motor (17) are located baffle (12) one side, servo motor (17) output shaft is equipped with broken axle (18) in cavity (2) inside cover, broken axle (18) are located baffle (12) one side.

4. The speed reducer for a servo motor having waterproof and dustproof functions according to claim 1, characterized in that: an oil outlet is formed in the bottom of the inner wall of the cavity (2), a lead screw nut matched with the second lead screw (14) is arranged inside the speed reducer main body (1), and a through groove matched with the second lead screw (14) is formed in the top of the baffle (12).

5. The speed reducer for a servo motor having waterproof and dustproof functions according to claim 2, characterized in that: the bottom of the first rotating disc (7) is provided with a sealing ring in a matching manner, and the inner wall of the liquid storage cavity (4) is provided with a ball bearing matched with the sealing plate (8).

6. The speed reducer for a servo motor having waterproof and dustproof functions according to claim 3, wherein: oil absorption mechanism includes oil absorption pipeline (19), oil absorption pipeline (19) set up in cavity (2) inner wall, oil absorption pipeline (19) one end is located broken axle (18) top, oil absorption pipeline (19) other end is located cavity (2) inner wall bottom, cavity (2) inner wall bottom in oil absorption pipeline (19) one side is equipped with guide block (20), cavity (2) inner wall top in broken axle (18) one side is equipped with pivot (21) of rotating the connection, pivot (21) one end extends to oil absorption pipeline (19) inside and cover is equipped with turbine (22), pivot (21) with broken axle (18) outer wall cover is equipped with same sliding connection's track (23).