CN115076348A

CN115076348A - RV reducer for robot

Info

Publication number: CN115076348A
Application number: CN202210783606.1A
Authority: CN
Inventors: 柳建雄; 何志雄; 詹友军
Original assignee: Guangdong Tiantai Robot Co Ltd
Current assignee: Guangdong Tiantai Robot Co Ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-09-20

Abstract

The invention relates to the technical field of reducers, in particular to an RV reducer for a robot, which comprises an RV reducer body and a frame, wherein mounting bases are fixedly mounted on two sides of the bottom end of the RV reducer body, a supporting plate is fixedly mounted at the side end part of the RV reducer body, a placing groove is formed in the surface of the RV reducer body, a supporting rod is fixedly mounted at the end part of the supporting plate, a rectangular push plate can drive a stop block to move when moving downwards as the cooling liquid in a cooling pipeline is in a full state, a liquid discharge port and a cooling liquid leakage hole are in a communicated state, so that a part of the cooling liquid enters the cooling liquid leakage hole from the liquid discharge port and falls into a box body from the cooling liquid leakage hole to be mixed with the cooling liquid in the box body, the flowing circulation of the cooling liquid is realized, and the aim of continuously radiating the RV reducer can be achieved, the heat dissipation is better, has guaranteed the steady operation of RV reduction gear internal mechanical element, has further reached increase of service life's purpose.

Description

RV reducer for robot

Technical Field

The invention relates to the technical field of speed reducers, in particular to an RV speed reducer for a robot.

Background

The RV reducer is one of the common reducers in a worm and gear reducer family, consists of a worm and a worm gear, has compact structure, large transmission ratio and self-locking function under certain conditions, is one of the most common reducers, has small vibration, low noise and low energy consumption, is generally used for low-speed and high-torque transmission equipment, and achieves the aim of reducing speed by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with less teeth on an input shaft of the reducer. The speed reducer is a power transmission mechanism that obtains a large torque by reducing the number of revolutions of a motor to a desired number of revolutions using a speed converter of a gear.

The RV reduction gear is after using a period for a long time, and the inside mechanical element of RV reduction gear is generated heat comparatively seriously, needs to dispel the heat to it and handles, and the present RV reduction gear that is used for the robot is relatively poor to the inside mechanical element radiating effect of RV reduction gear, influences its steady operation, has reduced the life of RV reduction gear.

Disclosure of Invention

To overcome the deficiencies of the prior art, the present invention provides an RV reducer for a robot.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a RV reduction gear for robot, includes RV reduction gear body and frame, the equal fixed mounting in both sides of RV reduction gear body bottom has the installation base, the side tip fixed mounting of RV reduction gear body has the backup pad, the standing groove has been seted up on the surface of RV reduction gear body, the tip fixed mounting of backup pad has the bracing piece, fixed mounting has the cooling tube in the standing groove, the frame is fixed to be cup jointed on RV reduction gear body, the mounting groove has been seted up to the inner wall of frame, cooling tube fixed mounting is in the mounting groove, backup pad upper end fixed mounting has the box, the both ends of cooling tube respectively fixed mounting have feed liquor pipe and fluid-discharge tube, inlet and leakage fluid dram have all been seted up on the both sides surface of box, be provided with pushing structure in the box, pushing structure includes rectangle push pedal, dog, the improved motor comprises a motor body and a rotating rod, wherein the rotating rod is rotatably installed in a box body, a connecting lug matched with the ball is fixedly installed on the rotating rod, a heat dissipation structure is arranged on a supporting rod and comprises a rotating shaft, fan blades are fixedly installed on the rotating shaft, a height difference exists between an inlet and a liquid discharge port, a liquid inlet pipe is connected with the inlet and communicated with the inlet, the liquid discharge pipe is connected with the liquid discharge port and communicated with the liquid discharge port, a rectangular push plate is slidably arranged in the box body, the side surface of the rectangular push plate is tightly attached to the inner wall surface of the box body, and the ball is fixedly installed in the middle of the upper end of the rectangular push plate.

As a preferred technical scheme of the invention, the inner wall surfaces of two sides of the box body are respectively provided with a rectangular sliding chute, and the side ends of the box body are respectively and fixedly provided with radiating fins at equal intervals.

As a preferable technical scheme of the invention, rectangular sliding blocks are embedded in the end parts of two sides of the rectangular push plate, and the two rectangular sliding blocks are respectively arranged in the rectangular sliding grooves in a sliding manner.

As a preferred technical scheme of the invention, the bottom ends of the two rectangular sliding blocks are fixedly provided with springs, and the two rectangular sliding blocks are respectively and fixedly connected with the bottom surface of the inner wall of the rectangular sliding chute through the springs.

As a preferable technical scheme of the invention, the motor body is fixedly arranged at the upper end of the supporting rod, an output shaft of the motor body is fixedly connected with the rotating rod, and the rotating rod is fixedly provided with the first gear.

As a preferable technical scheme of the invention, the check block is embedded into the end part of the rectangular push plate, the surface of the check block is tightly attached to the liquid discharge port, and the surface of the check block is provided with a cooling liquid leakage hole.

As a preferable technical scheme of the invention, the cooling liquid leakage hole is L-shaped, and the rotating shaft is rotatably arranged between the supporting rod and the box body.

As a preferable technical scheme of the invention, a second gear is fixedly installed at the end part of the rotating shaft, and the first gear is meshed with the second gear.

Compared with the prior art, the invention can achieve the following beneficial effects:

one of them, be provided with the coolant liquid in the box to be in the below of rectangle push pedal, the cooling tube is that the union coupling of a plurality of U-shaped is in the same place, is provided with the coolant liquid in the cooling tube, can absorb this internal heat of RV reduction gear, thereby reach the radiating purpose of mechanical element in the RV reduction gear body, prolonged the life of the RV reduction gear of robot.

Secondly, promote the coolant liquid through rectangle push pedal downstream, make the coolant liquid carry to the cooling tube in from inlet and fluid-discharge tube, because the coolant liquid in the cooling tube is full state, rectangle push pedal can drive the dog when moving down and remove, make leakage fluid dram and coolant liquid small opening be communicating state, make partly coolant liquid enter into to the coolant liquid small opening from the leakage fluid dram in, and fall into to the box from the coolant liquid small opening, mix with the coolant liquid in the box, the flow circulation of coolant liquid has been realized, thereby can reach and last the radiating purpose to the RV reduction gear, the heat dissipation is better, the steady operation of RV reduction gear internal mechanical element has been guaranteed, further reach increase of service life's purpose.

Thirdly, the bull stick rotates the round and can drive connecting lug and rotate the round, can apply once decurrent thrust to the rectangle push pedal, it can drive two rectangle sliders and remove to move through rectangle push pedal downstream, because two rectangle sliders pass through spring and rectangle spout inner wall bottom surface fixed connection, utilize the elasticity reset effect of spring, make the rectangle push pedal reset, make connecting lug and ball resume to original position, thereby can last and be interrupted the decurrent thrust of applying to the rectangle push pedal, make the rectangle push pedal reciprocating motion from top to bottom, thereby can make the coolant liquid in the cooling pipeline always with the circulation of coolant liquid circulation in the box, this promotion structural design is reasonable, promotion structural operation is stable, guaranteed to the radiating steady operation of RV reduction gear.

Fourthly, the rectangular push plate moves downwards to drive the check block to move downwards, the check block moves downwards to enable the liquid discharge port to be communicated with the cooling liquid leakage hole, circulation of the cooling liquid is achieved, the check block moves upwards to plug the liquid discharge port, the opening and closing effect is achieved, the fact that the cooling liquid in the cooling pipeline keeps a full state all the time can be guaranteed, the design is reasonable, and the use is convenient.

Fifthly, rotation through gear one can drive gear two and rotate, rotation through gear two can drive the pivot and rotate, rotation through the pivot can drive the flabellum and rotate, rotation through the flabellum can carry out the thermal treatment to radiating fin, thereby make the temperature of the coolant liquid in the box obtain reducing, thereby make the coolant liquid in the cooling tube have colder coolant liquid to pour into always, make to the RV reduction gear heat dissipation more high-efficient, be favorable to the steady operation of RV reduction gear, the practicality that is used for the RV reduction gear of robot has been improved.

Drawings

FIG. 1 is a schematic structural view of an RV reducer for a robot according to the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of the standing groove of the present invention;

FIG. 4 is a schematic structural view of the frame of the present invention;

FIG. 5 is a schematic structural view of a rectangular push plate according to the present invention;

FIG. 6 is a schematic structural diagram of a heat sink fin according to the present invention;

FIG. 7 is a schematic sectional view of the case of the present invention;

fig. 8 is a schematic structural view of the stopper of the present invention.

Wherein: 1. an RV reducer body; 11. installing a base; 12. a support plate; 13. a placement groove; 14. a support bar; 2. a frame; 21. mounting grooves; 3. a cooling duct; 31. a liquid inlet pipe; 32. a liquid discharge pipe; 4. a box body; 41. a liquid inlet; 42. a heat dissipating fin; 43. a rectangular chute; 44. a liquid discharge port; 5. a rectangular push plate; 51. a rectangular slider; 52. a spring; 53. a ball; 6. a stopper; 61. a coolant leak hole; 7. a motor body; 8. a rotating rod; 81. connecting the bumps; 82. a first gear; 9. a rotating shaft; 91. a fan blade; 92. and a second gear.

Detailed Description

The present invention will be further described with reference to specific examples, but the following examples are only preferred embodiments of the present invention, and not all embodiments of the present invention are intended to be included in the scope of the present invention. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental procedures in the following examples were carried out in a conventional manner unless otherwise specified, and materials, reagents and the like used in the following examples were commercially available unless otherwise specified.

As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, an RV reducer for a robot comprises an RV reducer body 1 and a frame 2, wherein mounting bases 11 are fixedly mounted on both sides of the bottom end of the RV reducer body 1, a support plate 12 is fixedly mounted on the side end of the RV reducer body 1, a placement groove 13 is formed in the surface of the RV reducer body 1, a support rod 14 is fixedly mounted on the end of the support plate 12, a cooling pipeline 3 is fixedly mounted in the placement groove 13, the frame 2 is fixedly sleeved on the RV reducer body 1, a mounting groove 21 is formed in the inner wall of the frame 2, the cooling pipeline 3 is fixedly mounted in the mounting groove 21, a box body 4 is fixedly mounted on the upper end of the support plate 12, a liquid inlet pipe 31 and a liquid outlet pipe 32 are respectively fixedly mounted at both ends of the cooling pipeline 3, a liquid inlet 41 and a liquid outlet 44 are formed in both side surfaces of the box body 4, a pushing structure is arranged in the box body 4, the pushing structure comprises a rectangular push plate 5, a stop block 6, a motor body 7 and a rotating rod 8, the rotating rod 8 is rotatably arranged in the box body 4, a connecting lug 81 matched with the round ball 53 is fixedly arranged on the rotating rod 8, a heat dissipation structure is arranged on the support rod 14 and comprises a rotating shaft 9, fan blades 91 are fixedly arranged on the rotating shaft 9, a height difference exists between a liquid inlet 41 and a liquid outlet 44, a liquid inlet pipe 31 is communicated with the liquid inlet 41, a liquid outlet pipe 32 is communicated with the liquid outlet 44, the rectangular push plate 5 is slidably arranged in the box body 4, the side surface of the rectangular push plate 5 is tightly attached to the inner wall surface of the box body 4, the round ball 53 is fixedly arranged in the middle of the upper end of the rectangular push plate 5, rectangular sliding grooves 43 are respectively arranged on the inner wall surfaces of two sides of the box body 4, heat dissipation fins 42 are respectively fixedly arranged on the side ends of the box body 4 at equal intervals, rectangular slide blocks 51 are respectively embedded in the end parts of two sides of the rectangular push plate 5, the two rectangular sliding blocks 51 are respectively arranged in the rectangular sliding grooves 43 in a sliding manner, the box body 4 is internally provided with cooling liquid and is positioned below the rectangular push plate 5, the cooling pipeline 3 is formed by connecting a plurality of U-shaped pipes together, the cooling liquid is arranged in the cooling pipeline 3 and can absorb heat in the RV reducer body 1, so that the purpose of radiating mechanical elements in the RV reducer body 1 is achieved, the service life of the RV reducer of the robot is prolonged, the motor body 7 is started, the rotating rod 8 rotates, the connecting lug 81 is driven to rotate through the rotation of the rotating rod 8, the protruding end of the connecting lug 81 can apply downward thrust to the ball 53, the rectangular push plate 5 moves downwards, the cooling liquid is pushed through the downward movement of the rectangular push plate 5, the cooling liquid is conveyed into the cooling pipeline 3 from the liquid inlet 41 and the liquid discharge pipe 32, and the cooling liquid in the cooling pipeline 3 is in a full state, the rectangular push plate 5 can drive the stop block 6 to move when moving downwards, so that the liquid discharge port 44 and the cooling liquid leakage hole 61 are in a communicated state, a part of cooling liquid enters the cooling liquid leakage hole 61 from the liquid discharge port 44 and falls into the box body 4 from the cooling liquid leakage hole 61 to be mixed with the cooling liquid in the box body 4, flowing circulation of the cooling liquid is realized, the aim of continuously radiating the RV reducer can be fulfilled, the radiating effect is good, the stable operation of mechanical elements in the RV reducer is ensured, the aim of prolonging the service life is further fulfilled, the rotating rod 8 can drive the connecting lug 81 to rotate for one circle by rotating for one circle, one downward thrust can be exerted on the rectangular push plate 5, the two rectangular slide blocks 51 can be driven to move by the downward movement of the rectangular push plate 5, and as the two rectangular slide blocks 51 are fixedly connected with the bottom surface of the inner wall of the rectangular sliding groove 43 through the spring 52, the elastic reset function of the spring 52 is utilized to reset the rectangular push plate 5, so that the connecting bump 81 and the round ball 53 are restored to the original positions, downward thrust can be continuously and discontinuously applied to the rectangular push plate 5, the rectangular push plate 5 can move up and down in a reciprocating manner, and therefore cooling liquid in the cooling pipeline 3 can always circulate through the cooling liquid in the box body 4, the pushing structure is reasonable in design, stable operation of the pushing structure is ensured, stable operation of heat dissipation of the RV reducer is ensured, the downward movement of the rectangular push plate 5 can drive the stop block 6 to move downwards, the downward movement of the stop block 6 can lead the liquid discharge port 44 to be communicated with the cooling liquid leakage hole 61, circulation of the cooling liquid is realized, the upward movement of the stop block 6 can block the liquid discharge port 44, the opening and closing function is realized, the cooling liquid in the cooling pipeline 3 can be ensured to always keep a full state, the design is reasonable, the use is convenient, the rotating rod 8 rotates to drive the gear I82 to rotate, the gear II 92 is driven to rotate through the rotation of the gear I82, the rotating shaft 9 is driven to rotate through the rotation of the gear II 92, the fan blade 91 is driven to rotate through the rotation of the rotating shaft 9, the heat dissipation fins 42 are subjected to heat dissipation treatment through the rotation of the fan blade 91, so that the temperature of the cooling liquid in the box body 4 is reduced, the cooling liquid in the cooling pipeline 3 is always injected with the cooler cooling liquid, the heat dissipation of the RV reducer is more efficient, the stable operation of the RV reducer is facilitated, the practicability of the RV reducer for the robot is improved, the springs 52 are fixedly mounted at the bottom ends of the two rectangular sliding blocks 51, the two rectangular sliding blocks 51 are respectively fixedly connected with the bottom surface of the inner wall of the rectangular sliding chute 43 through the springs 52, and the motor body 7 is fixedly mounted at the upper end of the supporting rod 14, the output shaft of the motor body 7 is fixedly connected with the rotating rod 8, a first gear 82 is fixedly mounted on the rotating rod 8, the check block 6 is embedded into the end portion of the rectangular push plate 5, the surface of the check block 6 is tightly attached to the liquid discharge port 44, a cooling liquid leakage hole 61 is formed in the surface of the check block 6, the cooling liquid leakage hole 61 is L-shaped, the rotating shaft 9 is rotatably mounted between the supporting rod 14 and the box body 4, a second gear 92 is fixedly mounted at the end portion of the rotating shaft 9, and the first gear 82 is meshed with the second gear 92.

When the cooling device is used, the cooling liquid is arranged in the box body 4 and is positioned below the rectangular push plate 5, the cooling pipeline 3 is formed by connecting a plurality of U-shaped pipes together, the cooling liquid is arranged in the cooling pipeline 3 and can absorb heat in the RV reducer body 1, so that the purpose of radiating mechanical elements in the RV reducer body 1 is achieved, the service life of the RV reducer of the robot is prolonged, the motor body 7 is started, the rotating rod 8 rotates, the connecting lug 81 is driven to rotate through the rotation of the rotating rod 8, the protruding end of the connecting lug 81 applies downward thrust to the ball 53, the rectangular push plate 5 moves downwards, the cooling liquid is pushed through the downward movement of the rectangular push plate 5, the cooling liquid is conveyed into the cooling pipeline 3 from the liquid inlet 41 and the liquid discharge pipe 32, because the cooling liquid in the cooling pipeline 3 is in a full state, the stop block 6 is driven to move while the rectangular push plate 5 moves downwards, the liquid outlet 44 is communicated with the cooling liquid leaking hole 61, so that a part of cooling liquid enters the cooling liquid leaking hole 61 from the liquid outlet 44 and falls into the box body 4 from the cooling liquid leaking hole 61 to be mixed with the cooling liquid in the box body 4, and the flowing circulation of the cooling liquid is realized, thereby achieving the purpose of continuously radiating the heat of the RV reducer, ensuring the stable operation of mechanical elements in the RV reducer, further achieving the purpose of prolonging the service life, one circle of rotation of the rotating rod 8 can drive the connecting lug 81 to rotate for one circle, one downward thrust can be applied to the rectangular push plate 5, the two rectangular slide blocks 51 can be driven to move by the downward movement of the rectangular push plate 5, and the rectangular push plate 5 can be reset by the elastic resetting function of the spring 52 due to the fixed connection of the two rectangular slide blocks 51 with the bottom surface of the inner wall of the rectangular sliding groove 43 through the spring 52, the connecting bump 81 and the ball 53 are restored to the original positions, so that downward thrust can be continuously and discontinuously applied to the rectangular push plate 5, the rectangular push plate 5 can move up and down in a reciprocating manner, and cooling liquid in the cooling pipeline 3 can be always circulated with the cooling liquid in the box body 4, the pushing structure is reasonable in design and stable in operation, stable operation of heat dissipation of the RV reducer is guaranteed, the rectangular push plate 5 moves downwards to drive the stop block 6 to move downwards, the stop block 6 moves downwards to enable the liquid discharge port 44 to be communicated with the cooling liquid leakage hole 61, circulation of the cooling liquid is achieved, the stop block 6 moves upwards to block the liquid discharge port 44, opening and closing are achieved, the cooling liquid in the cooling pipeline 3 can be kept in a full state all the time, the design is reasonable, the use is convenient, the rotating rod 8 rotates to drive the first gear 82 to rotate, rotation through gear 82 can drive gear two 92 and rotate, rotation through gear two 92 can drive pivot 9 and rotate, rotation through pivot 9 can drive flabellum 91 and rotate, rotation through flabellum 91 can carry out the thermal treatment to radiating fin 42, thereby make the temperature of the coolant liquid in box 4 obtain reducing, thereby make the coolant liquid in the cooling tube 3 have colder coolant liquid to pour into always, make the heat dissipation to the RV reduction gear more high-efficient, be favorable to the steady operation of RV reduction gear, the practicality that is used for the RV reduction gear of robot has been improved.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The RV reducer for the robot comprises an RV reducer body (1) and a frame (2), and is characterized in that mounting bases (11) are fixedly mounted on two sides of the bottom end of the RV reducer body (1), a supporting plate (12) is fixedly mounted at the side end of the RV reducer body (1), a placing groove (13) is formed in the surface of the RV reducer body (1), a supporting rod (14) is fixedly mounted at the end of the supporting plate (12), a cooling pipeline (3) is fixedly mounted in the placing groove (13), the frame (2) is fixedly sleeved on the RV reducer body (1), a mounting groove (21) is formed in the inner wall of the frame (2), the cooling pipeline (3) is fixedly mounted in the mounting groove (21), a box body (4) is fixedly mounted at the upper end of the supporting plate (12), a liquid inlet pipe (31) and a liquid outlet pipe (32) are respectively fixedly mounted at two ends of the cooling pipeline (3), inlet (41) and leakage fluid dram (44) have all been seted up on the both sides surface of box (4), be provided with the pushing structure in box (4), the pushing structure includes rectangle push pedal (5), dog (6), motor body (7) and bull stick (8), bull stick (8) are rotated and are installed in box (4), fixed mounting has connecting lug (81) with ball (53) looks adaptation on bull stick (8), be provided with heat radiation structure on bracing piece (14), heat radiation structure includes pivot (9), fixed mounting has flabellum (91) in pivot (9).

2. The RV reducer for robot according to claim 1, characterized in that there is a height difference between said liquid inlet (41) and liquid outlet (44), said liquid inlet pipe (31) is connected and communicated with liquid inlet (41), and said liquid outlet pipe (32) is connected and communicated with liquid outlet (44).

3. The RV reducer for the robot according to claim 2, characterized in that the rectangular push plate (5) is arranged in the box body (4) in a sliding mode, the side surface of the rectangular push plate (5) is tightly attached to the inner wall surface of the box body (4), and a round ball (53) is fixedly mounted in the middle of the upper end of the rectangular push plate (5).

4. The RV reducer for the robot according to claim 3, characterized in that the inner wall surfaces of two sides of said box (4) are both equipped with rectangular sliding grooves (43), and the side ends of said box (4) are both equidistantly and fixedly equipped with heat dissipating fins (42).

5. The RV reducer for the robot according to claim 4, characterized in that rectangular sliding blocks (51) are embedded in both side ends of the rectangular push plate (5), and the two rectangular sliding blocks (51) are respectively arranged in the rectangular sliding grooves (43) in a sliding mode.

6. The RV reducer for the robot according to claim 5, characterized in that the bottom ends of two rectangular sliding blocks (51) are fixedly installed with springs (52), and the two rectangular sliding blocks (51) are fixedly connected with the bottom surface of the inner wall of the rectangular sliding chute (43) through the springs (52).

7. The RV reducer for the robot according to claim 6, characterized in that the motor body (7) is fixedly installed on the upper end of the support rod (14), the output shaft of the motor body (7) is fixedly connected with the rotating rod (8), and the rotating rod (8) is fixedly installed with a first gear (82).

8. The RV reducer for the robot according to claim 7, characterized in that the stop block (6) is embedded in the end of the rectangular push plate (5), the surface of the stop block (6) is tightly attached to the liquid discharge port (44), and the surface of the stop block (6) is provided with a cooling liquid leakage hole (61).

9. The RV reducer for robot according to claim 8 characterized in that said coolant leaking hole (61) is L-shaped, and said rotating shaft (9) is rotatably installed between supporting rod (14) and box (4).

10. The RV reducer for a robot according to claim 9, characterized in that a second gear (92) is fixedly installed at the end of said rotating shaft (9), and said first gear (82) is meshed with said second gear (92).