Lubricating device for transmission part of robot

Abstract

The utility model relates to a lubricating device for a robot transmission part, and aims to solve the problems that the lubricating grease is manually added at present, the error of manually adding the lubricating grease is large, the resistance of the transmission part is increased if the added lubricating grease is excessive, the energy consumption cost is increased after long-term operation, and the service life of the transmission part is prolonged. The lubricating device comprises an oil injection pipe, an oil injection assembly and a limiting assembly, the oil injection assembly and the limiting assembly are installed on the oil injection pipe, and the oil injection assembly comprises an oil injection head installed at one end of the oil injection pipe, a sealing cover installed at the end away from the oil injection head and a piston slidably connected into the oil injection pipe; the automatic lubricating grease adding device solves the problem that errors exist in existing manual squeezing lubricating grease adding, and further avoids the problems that the resistance of a robot transmission part is increased due to excessive adding of the lubricating grease, energy consumption cost is increased due to long-term operation, and lubricating of the robot transmission part is insufficient and friction force is increased due to too little adding of the lubricating grease.

Description

TECHNICAL FIELD

[0001] The utility model relates to transmission component lubrication field, concretely is a kind of robot transmission component lubricating device. BACKGROUND

[0002] Robot transmission component is the key component that power is transmitted from driving source (such as motor, hydraulic system) to actuating mechanism (such as joint, end effector), and its performance directly influences the precision, speed and load capacity of robot, in order to guarantee the service life of robot transmission component, enough lubricating grease needs to be added in transmission component position, prevent the relative friction between transmission component too big, influence transmission component service life.

[0003] Traditional lubricating grease is added manually, and the error of manually adding lubricating grease is large, if the added lubricating grease is excessive, it will cause the resistance of transmission component to increase, and long-term operation will increase energy consumption cost, and if too little is added, the lubrication of transmission component is insufficient, and the friction increases. Therefore, a new technical solution is needed to solve it. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the insufficient of prior art, adapting to reality needs, provide a kind of robot transmission component lubricating device, to solve the current lubricating grease is added manually, and the error of manually adding lubricating grease is large, if the added lubricating grease is excessive, it will cause the resistance of transmission component to increase, and long-term operation will increase energy consumption cost, and if too little is added, the lubrication of transmission component is insufficient, and the friction increases technical problem.

[0005] In order to realize the purpose of the utility model, the technical scheme adopted by the utility model is as follows: a robot transmission component lubricating device is designed, which comprises an oil injection pipe, an oil injection assembly and a limiting assembly installed on the oil injection pipe, the oil injection assembly comprises an oil injection head installed at one end of the oil injection pipe, a cover installed at the end away from the oil injection head and a piston slidingly connected in the oil injection pipe, one end of the piston is connected with a push rod, and the push rod slidingly penetrates the cover;

[0006] The limiting assembly comprises two limiting plates with semi-ring shape and a plurality of circular grooves equidistantly distributed on the outer side of the push rod, and the inner diameter of the two limiting plates when abutting is the same as the inner diameter of the circular groove;

[0007] A circular truncated cone with hollow structure in the middle is installed in the oil injection head, a sealing plug is slidingly connected in the circular truncated cone, the outer side of the sealing plug is matched with the inner side of the circular truncated cone, one end of the sealing plug is connected with a trigger rod, and the trigger rod penetrates the circular truncated cone and is placed on the outer side of the oil injection head.

[0008] Preferably, a first spring is sleeved outside the push rod in the oil injection pipe, and two ends of the first spring are connected with the piston and the cover respectively.

[0009] Preferably, a disc is connected with the oil injection pipe through a connecting rod, the size of the disc is smaller than the internal size of the oil injection pipe, and a second spring is connected between the disc and the sealing plug.

[0010] Preferably, a circular hole is arranged at the opposite end of each of the two limiting plates, a third spring is connected between the circular holes on the two limiting plates, and the original length of the third spring is smaller than the sum of the depths of the two circular holes on the two limiting plates.

[0011] Preferably, a handle is arranged at one side of one end of the oil injection pipe, and one end of the handle is arranged in an arc shape.

[0012] Preferably, a fixing bolt is arranged through the cover, and the fixing bolt is threadedly connected with the surface of the oil injection pipe.

[0013] Preferably, two exhaust holes are arranged on the cover, and the two exhaust holes are arranged in an arc shape and symmetrically on the cover.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses a combination of an oil injection pipe, a limiting assembly, a push rod and a circular groove, solves the problem of error in the existing manual extrusion of adding lubricating grease, further avoids the problem that excessive lubricating grease causes the increase of the resistance of the transmission part of the robot, the increase of energy consumption cost in long-term operation, and the problem that insufficient lubricating grease causes the increase of friction.

[0016] 2. The utility model discloses a combination of a disc, a second spring, a circular table, a sealing plug and a trigger rod, does not need personnel to manually push the push rod to add lubricating grease, is more convenient, and when the addition of lubricating grease is completed, the sealing plug automatically blocks the circular table, thereby avoiding the problem that when the lubricating grease is not added, the lubricating grease is automatically discharged from the oil injection head, causing waste. DRAWINGS

[0017] Figure 1 It is a whole structure schematic diagram of the utility model;

[0018] Figure 2 It is a whole sectional structure schematic diagram of the utility model;

[0019] Figure 3 It is a connecting structure schematic diagram of the two limiting plates and the spring of the utility model.

[0020] In the figure: 1, oil injection pipe; 11, handle; 12, oil injection head; 13, cover; 14, fixing bolt; 15, exhaust hole; 2, push rod; 21, circular groove; 22, piston; 23, first spring; 3, limiting assembly; 31, limiting plate; 32, circular hole; 33, third spring; 4, circular table; 41, trigger rod; 42, disc; 43, second spring. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and embodiments as follows:

[0022] Embodiment 1: a kind of robot transmission component lubricating device, referring to Figures 1 to 3 , including oil injection pipe 1 and the limiting assembly 3 of oil injection component and installation on oil injection pipe 1, the oil injection component includes the oil injection head 12 of installation at one end of oil injection pipe 1, cover 13 and piston 22 of sliding connection in oil injection pipe 1 are installed at the end away from oil injection head 12, one end of the piston 22 is connected with push rod 2, and the push rod 2 slidingly penetrates cover 13;The limiting assembly 3 includes two limiting plates 31 that are half ring-shaped in appearance and a plurality of circular grooves 21 that are equidistantly distributed on the outer side of push rod 2, the inner diameter of the two limiting plates 31 when abutting is the same as the inner diameter of circular groove 21;The inside of the oil injection head 12 is installed with the circular table 4 with hollow structure in the middle, the sealing plug is slidingly connected in the circular table 4, the outer side of the sealing plug is adapted to the inner side of the circular table 4, one end of the sealing plug is connected with trigger rod 41, and the trigger rod 41 penetrates the circular table 4 and is placed on the outer side of oil injection head 12.

[0023] When working, the two limiting plates 31 are limited in the circular groove 21 by abutting, so that the limiting plate 31 can be blocked by the cover 13, and then the moving distance of the push rod 2 can be limited, and then when the limiting plate 31 is connected in different circular grooves 21, the moving distance of the push rod 2 is different, and then the moving distance of the piston 22 in the oil injection pipe 1 is also different, and then the amount of lubricating grease discharged from the oil injection head 12 in the oil injection pipe 1 is also different, and then the amount of lubricating grease required by the robot transmission component can be added quantitatively, solving the problem of error in the existing manual extrusion of lubricating grease, further avoiding the problem that excessive lubricating grease added will cause excessive resistance of the robot transmission component, increasing energy consumption cost in long-term operation, and insufficient lubrication of the robot transmission component if too little lubricating grease is added, increasing friction.

[0024] Specifically, referring to Figure 2The outer side of the push rod 2 in the oil injection pipe 1 is sleeved with a first spring 23, both ends of the first spring 23 are connected with a piston 22 and a cover 13 respectively, a disc 42 is connected in the oil injection pipe 1 through a connecting rod, and the size of the disc 42 is smaller than the internal size of the oil injection pipe 1, a second spring 43 is connected between the disc 42 and the sealing plug, when the oil injection pipe 1 is filled with lubricating grease, the piston 22 is close to one side of the cover 13, at this time, the first spring 23 is compressed, when the lubricating grease is added to the robot transmission part, the trigger rod 41 is contacted with the lubricating grease adding position, the oil injection pipe 1 is extruded, the trigger rod 41 is extruded to move into the oil injection head 12, so as to drive the sealing plug to move to form a gap between the sealing plug and the circular table 4, and the second spring 43 is compressed at this time, the first spring 23 is in a compressed state, so that the elastic force of the first spring 23 drives the piston 22 to move, and the lubricating grease in the oil injection pipe 1 flows out through the gap between the sealing plug and the circular table 4 and is injected into the robot transmission part, so that the personnel manually pushes the push rod 2 to add the lubricating grease, which is more convenient, and when the lubricating grease adding is completed, the trigger rod 41 is separated from the robot transmission part, at this time, the elastic force of the second spring 43 drives the sealing plug to be placed in the hollow inner cavity of the circular table 4, the circular table 4 is automatically sealed, so as to avoid that the lubricating grease automatically flows out from the oil injection head 12 when the lubricating grease is not added, and waste is caused.

[0025] Further, referring to Figure 3 , the opposite ends of the two limiting plates 31 are provided with round holes 32, and the round holes 32 on the two limiting plates 31 are connected with a third spring 33, the original length of the third spring 33 is smaller than the sum of the depths of the two round holes 32 on the two limiting plates 31, through the setting of the third spring 33, the limiting plate 31 is connected, avoiding that the limiting plate 31 is lost due to being separated from the push rod 2, and the tension of the third spring 33 can pull the two limiting plates 31 to extrude each other, so as to improve the stability of the two limiting plates 31 limited in the circular groove 21.

[0026] It is worth noting that, referring to Figure 1 , one side of one end of the oil injection pipe 1 is provided with a handle 11, one end of the handle 11 is arc-shaped, through the handle 11, the personnel can hold the handle 11 to add the lubricating grease to the robot transmission part, and the one end of the handle 11 is arc-shaped, so as to improve the comfort of the personnel holding the handle 11.

[0027] It is worth noting that, referring to Figure 1The fixing bolt 14 is screwed with the surface of the oil injection pipe 1, two exhaust holes 15 are arranged on the cover 13, the two exhaust holes 15 are symmetrically arranged in an arc shape on the cover 13, the cover 13 is convenient to disassemble through the fixing bolt 14, the grease is convenient to add into the oil injection pipe 1, the air pressure of the inside and the outside of the oil injection pipe 1 can be ensured to be same through the exhaust hole 15, and further, the piston 22 can be ensured to move in the oil injection pipe 1.

[0028] In addition, the components of the utility model are all general standard components or components known by the person skilled in the art, the structure and principle thereof can be known by the person skilled in the art through a technical manual or through a conventional experimental method, the person skilled in the art can realize it completely, and no further description is needed, and the content protected by the utility model does not involve improvement of internal structure and method.

[0029] The utility model discloses an embodiment discloses a preferred embodiment, but is not limited to this, and the person skilled in the art, easily understands the spirit of the utility model according to the above -mentioned embodiment, and makes different inferences and changes, but as long as not departing from the spirit of the utility model, is within the protection scope of the utility model.

Claims

1. A robot transmission component lubricating device comprising an oil injection pipe (1) and an oil injection assembly and a limiting assembly (3) mounted on the oil injection pipe (1), characterized in that, The oil injection assembly comprises an oil injection head (12) mounted at one end of an oil injection pipe (1), a cover (13) mounted at an end away from the oil injection head (12), and a piston (22) slidingly connected in the oil injection pipe (1), one end of the piston (22) being connected with a push rod (2), and the push rod (2) slidingly penetrating the cover (13); The limiting assembly (3) comprises two semi-ring-shaped limiting plates (31) and a plurality of circular grooves (21) equidistantly distributed on the outer side of the push rod (2), the inner diameter of the two limiting plates (31) being the same as the inner diameter of the circular grooves (21) when the two limiting plates (31) abut against each other; The oil injection head (12) is internally provided with a circular truncated cone (4) with a hollow structure, the circular truncated cone (4) being slidingly connected with a sealing plug, the outer side of the sealing plug being adapted to the inner side of the circular truncated cone (4), one end of the sealing plug being connected with a trigger rod (41), and the trigger rod (41) penetrating the circular truncated cone (4) and being disposed on the outer side of the oil injection head (12).

2. A robot drive component lubrication apparatus as claimed in claim 1, characterized in that, The push rod (2) in the oil injection pipe (1) is externally provided with a first spring (23), two ends of the first spring (23) being connected with the piston (22) and the cover (13) respectively.

3. A robot drive component lubrication apparatus as claimed in claim 1, characterized in that, The oil injection pipe (1) is connected with a disc (42) through a connecting rod, the size of the disc (42) being smaller than the internal size of the oil injection pipe (1), and a second spring (43) being connected between the disc (42) and the sealing plug.

4. A robot drive component lubrication apparatus as claimed in claim 1, characterized in that, The opposite ends of the two limiting plates (31) are each provided with a circular hole (32), and the two circular holes (32) on the two limiting plates (31) are connected with a third spring (33), the original length of the third spring (33) being smaller than the sum of the depths of the two circular holes (32) on the two limiting plates (31).

5. A robot drive component lubrication apparatus as claimed in claim 1, characterized in that, One side of one end of the oil injection pipe (1) is provided with a handle (11), one end of the handle (11) being arc-shaped.

6. A robot drive component lubrication apparatus as claimed in claim 1, characterized in that, The cover (13) is penetrated with a fixing bolt (14), and the fixing bolt (14) is threadedly connected with the surface of the oil injection pipe (1).

7. A robot drive component lubrication apparatus as claimed in claim 1, characterized in that, The cover (13) is provided with two exhaust holes (15), and the two exhaust holes (15) are arc-symmetrically distributed on the cover (13).

Images