CN218947734U - Mechanical arm with self-lubricating oil mechanism - Google Patents

Abstract

The utility model discloses a mechanical arm with a self-lubricating oil mechanism, which comprises a mechanical arm body, an oil box and a protective cover, wherein the oil box is arranged at one end of the top of the mechanical arm body through a mounting frame, a timing switch is arranged at one side of the oil box through a mounting seat, the protective cover is fixed at the top of the oil box through a bolt, a driving motor is arranged at the top of the protective cover through the mounting frame, a reciprocating screw rod is arranged in the oil box through a bearing, an inner thread sliding groove is sleeved outside the reciprocating screw rod, and a pressing plate for pushing oil is sleeved outside the inner thread sliding groove. According to the utility model, the lubricating oil in the oil box is pushed and pressurized by the pressing plate, so that the lubricating oil is added to the mechanical arm body through the pipe, and liquid and solid lubrication can be conveyed.

Description

Mechanical arm with self-lubricating oil mechanism

Technical Field

The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm with a self-lubricating oil mechanism.

Background

The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling, has been widely applied in the fields of industrial assembly, safety explosion prevention and the like due to the unique operation flexibility, and is particularly important in lubrication of each transmission structure on the mechanical arm, so that the mechanical arm is an important factor for ensuring normal operation of the mechanical arm.

Patent number CN201721450121.1 discloses a lubricating arrangement for arm, including holding oil groove, the oil pump, oil return unit and oil absorption paper box, the below and the internal surface of holding oil groove are provided with universal wheel and sealing layer respectively, and its left side top is connected with the oiling mouth, the oil pump is located the inside of holding oil groove, and its right side is connected with the oil jet disc through the play oil pipe, the outside of oil jet disc is provided with lubricated interface, and the internal surface of lubricated interface is provided with the lubricating layer, oil return unit is located the top of holding oil groove, and its top is provided with the basin, the left side top and the right side below of basin are connected with water filling port and delivery port respectively, and the delivery port is connected with the brush through the water spray disc, oil absorption paper box is located the top of basin, lubricating arrangement for arm can wash it before lubricating the arm, and can carry out recycle to lubricating oil in lubricating process, movable oil return groove is detachable mounting structure, can remove according to the position of oil jet disc.

The existing mechanical arm with a self-lubricating oil mechanism has the following defects: the whole structure is complex, the lubricating oil is conveyed through the oil pump, so that the lubricating oil is greatly limited to the used lubricating oil, only liquid lubricating oil can be conveyed, pasty lubricating oil cannot be conveyed, the liquid lubricating oil is easy to volatilize and can not be used for a long time, and the solid lubricating oil is suitable for uninterrupted and long-time use. To this end, we propose a robotic arm with a self-lubricating mechanism.

Disclosure of Invention

The utility model mainly aims to provide a mechanical arm with a self-lubricating oil mechanism, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a mechanical arm with from lubricating oil mechanism, includes mechanical arm body, oil box and protection casing, the oil box is installed through the mounting bracket to mechanical arm body top one end, the time switch is installed through the mount pad to oil box one side, the oil box top is through the bolt fastening there being the protection casing, driving motor is installed through the mounting bracket at the protection casing top, the inside reciprocating screw that installs through the bearing of oil box, reciprocating screw outside cover is equipped with the internal thread spout, the cover is equipped with the clamp plate that is used for pushing away oil in the internal thread spout outside, oil box one end is connected with the delivery pipe through the thread groove, delivery pipe one end is connected with the solenoid valve through the pipe connection, solenoid valve one end is connected with L type connecting rod through the thread groove.

Further, a pinion is fixed on the bottom output shaft of the driving motor through a flat key, a large gear is sleeved at one end of the outer side of the reciprocating screw rod, the large gear and the pinion are both positioned in the protective cover, and the large gear and the pinion are meshed; the protective cover can protect the pinion and the large gear.

Further, the top of the L-shaped connecting rod is connected with a four-way pipe through a thread groove, and the top end of the four-way pipe is connected with the mechanical arm body through a pipeline.

Further, auxiliary rods are fixed at two ends of the inside of the oil box through bolts, the auxiliary rods penetrate through the pressing plate, and sealing rings are sleeved on the outer side of the pressing plate.

Further, one end of the oil box is connected with an oil inlet pipe in a hot melting mode, and the top end of the oil inlet pipe is connected with a tank cover through a thread groove.

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

the reciprocating screw rod is driven by the driving motor to rotate, the reciprocating screw rod rotates to push the internal thread sliding groove and the pressing plate on the outer side of the internal thread sliding groove to move downwards, the lubricating oil in the oil box is pushed and extruded, the lubricating oil in the oil box is filled onto the mechanical arm body through the oil outlet pipe, the opened electromagnetic valve, the L-shaped connecting rod and the four-way pipe, the transmission structure on the mechanical arm body is filled with the lubricating oil, and liquid or solid lubricating oil can be filled onto the mechanical arm body.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a mechanical arm with a self-lubricating oil mechanism according to the present utility model.

Fig. 2 is a schematic diagram of an oil box structure of a mechanical arm with a self-lubricating oil mechanism.

Fig. 3 is a schematic diagram of the internal structure of the oil box and the protective cover of the mechanical arm with the self-lubricating oil mechanism.

In the figure: 1. a robot arm body; 2. an oil box; 3. a protective cover; 4. a timing switch; 5. a driving motor; 6. a reciprocating screw rod; 7. an internal thread chute; 8. a pressing plate; 9. an oil outlet pipe; 10. an electromagnetic valve; 11. an L-shaped connecting rod; 12. a four-way pipe; 13. a pinion gear; 14. a large gear; 15. a seal ring; 16. an oil inlet pipe; 17. a can lid; 18. an auxiliary rod.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a mechanical arm with self-lubricating oil mechanism comprises a mechanical arm body 1, an oil box 2 and a protective cover 3, wherein the oil box 2 is installed at one end of the top of the mechanical arm body 1 through a mounting frame, a timing switch 4 is installed on one side of the oil box 2 through a mounting seat, the protective cover 3 is fixed on the top of the oil box 2 through bolts, a driving motor 5 is installed at the top of the protective cover 3 through the mounting frame, a reciprocating screw rod 6 is installed inside the oil box 2 through a bearing, an internal thread sliding groove 7 is sleeved outside the reciprocating screw rod 6, a pressing plate 8 for pushing oil is sleeved outside the internal thread sliding groove 7, an oil outlet pipe 9 is connected to one end of the oil box 2 through a thread groove, an electromagnetic valve 10 is connected to one end of the oil outlet pipe 9 through a pipe joint, and one end of the electromagnetic valve 10 is connected with an L-shaped connecting rod 11 through the thread groove.

The bottom output shaft of the driving motor 5 is fixed with a pinion 13 through a flat key, one end of the outer side of the reciprocating screw rod 6 is sleeved with a large gear 14, the large gear 14 and the pinion 13 are both positioned in the protective cover 3, and the large gear 14 and the pinion 13 are meshed.

In this embodiment, as shown in fig. 3, the driving motor 5 can drive the reciprocating screw 6 to rotate through the pinion 13 and the large gear 14.

The top of the L-shaped connecting rod 11 is connected with a four-way pipe 12 through a thread groove, and the top of the four-way pipe 12 is connected with the mechanical arm body 1 through a pipeline.

In this embodiment, as shown in fig. 2, the lubricating oil flowing out from the four-way pipe 12 via the L-shaped connecting rod 11 may be filled into the mechanical arm body 1.

Wherein, the inside both ends of oil box 2 are fixed with auxiliary rod 18 through the bolt, auxiliary rod 18 runs through clamp plate 8, the cover is equipped with sealing washer 15 outside the clamp plate 8.

In this embodiment, as shown in fig. 3, the auxiliary lever 18 can improve the structural stability of the pressing plate 8 without affecting the up-and-down movement thereof.

One end of the oil box 2 is connected with an oil inlet pipe 16 in a hot melting mode, and the top end of the oil inlet pipe 16 is connected with a tank cover 17 through a thread groove.

In this embodiment, as shown in fig. 1, the liquid or solid lubricating oil can be filled into the oil box 2 through the oil inlet pipe 16 by opening the tank cover 17.

It should be noted that, the utility model is a mechanical arm with self-lubricating oil mechanism, during operation, personnel uses the power cord to connect the timing switch 4 with external power supply, and connect the timing switch 4 with the driving motor 5 and the electromagnetic valve 10, personnel opens the tank cover 17 and fills liquid or solid lubricating oil into the oil box 2 through the oil inlet pipe 16, setting value of the timing switch 4 can control the timing control of the driving motor 5 and the electromagnetic valve 10, the driving motor 5 drives the reciprocating screw 6 to rotate through the pinion 13 and the large gear 14 during operation, the reciprocating screw 6 pushes the internal thread chute 7 and the pressing plate 8 on the outer side thereof to move downwards, the pressing plate 8 moves downwards to push and squeeze the lubricating oil in the oil box 2, the lubricating oil in the oil box 2 is filled into the mechanical arm body 1 through the oil outlet pipe 9 and the opened electromagnetic valve 10, and then the four-way pipe 12 and the pipeline are filled into the mechanical arm body 1, the driving structure on the mechanical arm body 1 is filled with lubricating oil, and the auxiliary rod 18 can improve the structural stability while not affecting the up-down movement of the pressing plate 8.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a robotic arm with from lubricating oil mechanism, includes arm body (1), oil box (2) and protection casing (3), its characterized in that: the oil box is installed through the mounting bracket in arm body (1) top one end, oil box (2) one side is installed time switch (4) through the mount pad, oil box (2) top is through bolt fastening has protection casing (3), driving motor (5) are installed through the mounting bracket in protection casing (3) top, reciprocating screw (6) are installed through the bearing in oil box (2) inside, reciprocating screw (6) outside cover is equipped with internal thread spout (7), internal thread spout (7) outside cover is equipped with clamp plate (8) that are used for pushing away oil, oil box (2) one end is connected with oil outlet pipe (9) through the thread groove, oil outlet pipe (9) one end is connected with solenoid valve (10) through the pipe connection, solenoid valve (10) one end is connected with L type connecting rod (11) through the thread groove.

2. A robotic arm having a self-lubricating mechanism as defined in claim 1, wherein: the bottom output shaft of the driving motor (5) is fixedly provided with a pinion (13) through a flat key, one end of the outer side of the reciprocating screw rod (6) is sleeved with a large gear (14), the large gear (14) and the pinion (13) are both positioned in the protective cover (3), and the large gear (14) and the pinion (13) are meshed.

3. A robotic arm having a self-lubricating mechanism as defined in claim 1, wherein: the top of the L-shaped connecting rod (11) is connected with a four-way pipe (12) through a thread groove, and the top of the four-way pipe (12) is connected with the mechanical arm body (1) through a pipeline.

4. A robotic arm having a self-lubricating mechanism as defined in claim 1, wherein: auxiliary rods (18) are fixed at two ends of the interior of the oil box (2) through bolts, the auxiliary rods (18) penetrate through the pressing plate (8), and sealing rings (15) are sleeved on the outer side of the pressing plate (8).

5. A robotic arm having a self-lubricating mechanism as defined in claim 1, wherein: one end of the oil box (2) is connected with an oil inlet pipe (16) in a hot melting way, and the top end of the oil inlet pipe (16) is connected with a tank cover (17) through a thread groove.

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