CN214293115U

CN214293115U - Mechanical arm for advanced manufacturing technology

Info

Publication number: CN214293115U
Application number: CN202120400983.3U
Authority: CN
Inventors: 刘诺珠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-09-28
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses an advanced mechanical arm for manufacturing technique, which comprises a fixed base, the top of fixing base is provided with rotates the seat, it is connected with first arm through first motor to rotate the seat, first arm is connected with the second arm through the third motor, the second arm is connected with mechanical fixture through the second motor, be provided with stop device between first arm and the second arm, stop device is including rotating strip, rotation groove, spacer pin, first cooperation piece, expanding spring, second cooperation piece. An advanced arm for manufacturing technique, belong to the arm field, carry on spacingly through stop device to the rotation of second arm to avoid rotating the time arm and surpassing extreme position, and can also play the effect of buffering, protect mechanical fixture through the set casing, make and do not use for a long time at mechanical fixture and obtain the protection, it is more practical.

Description

Mechanical arm for advanced manufacturing technology

Technical Field

The utility model relates to a arm field, in particular to arm for advanced manufacturing technique.

Background

The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling. Due to its unique operational flexibility, it has been widely used in the fields of industrial assembly, safety and explosion protection, etc., and it has a very important position in the application fields of industry, national defense, etc., with the rapid development of aerospace and robotics, it has been increasingly adopted a multi-flexible body system composed of several flexible members, the traditional analysis method and control method of multi-rigid body dynamics has not been able to meet the requirements of dynamic analysis and control of multi-flexible body system, and the flexible mechanical arm, as the simplest non-trivial multi-flexible body system, is widely used as a research model of multi-flexible body system, wherein the mechanical arm is applied in the advanced manufacturing technology industry. But there is certain drawback in current arm, at first, when the arm rotated, caused the rotor arm easily to surpass spacing messenger's machining precision and descend, the arm does not use the back for a long time in addition, anchor clamps or manipulator lack protector.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide a mechanical arm for advanced manufacturing technology, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mechanical arm for advanced manufacturing technology comprises a fixed seat, wherein a rotating seat is arranged above the fixed seat and connected with a first mechanical arm through a first motor, the first mechanical arm is connected with a second mechanical arm through a third motor, the second mechanical arm is connected with a mechanical clamp through a second motor, a limiting device is arranged between the first mechanical arm and the second mechanical arm and comprises a rotating strip, a rotating groove, a limiting pin, a first matching block, a telescopic spring and a second matching block, the first mechanical arm is welded with the rotating strip, the rotating groove is formed in the rotating strip, the first matching block and the second matching block are arranged in the rotating groove, the telescopic spring is arranged between the first matching block and the second matching block, and the limiting pin is arranged in the rotating groove on the second mechanical arm, the mechanical fixture is sleeved with a protection device, the protection device comprises a fixed shell, connecting side plates, a reserved groove and a fixing groove, the reserved groove is formed in the fixed shell, the connecting side plates are arranged on two sides of the fixed shell, and the fixing groove is formed in the side wall of each connecting side plate.

Preferably, the quantity of first cooperation piece, expanding spring and second cooperation piece is two sets of, and first cooperation piece, expanding spring and second cooperation piece are located the both sides of spacer pin respectively, the circular arc center of rotating strip and rotation groove is aligned with the axis of third motor, the spacer pin moves along the inside of rotating the groove.

Preferably, the fixing grooves of the connecting side plates are clamped with two ends of the second motor, and the mechanical clamp is located in the reserved groove.

Preferably, the mechanical clamp rotates around a second motor, the second mechanical arm rotates around a third motor, and the first mechanical arm rotates around a first motor.

Preferably, the rotating seat rotates around the fixed seat.

Preferably, the first mechanical arm and the second mechanical arm are provided with through hole.

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

the utility model discloses in, be provided with stop device, carry on spacingly through stop device to the rotation of second arm to the arm surpasss extreme position when avoiding rotating, and can also play the effect of buffering, and it is more convenient, be provided with protector, protect mechanical fixture through the set casing, make and do not use for a long time at mechanical fixture and obtain the protection, it is more practical.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a schematic view of the limiting device of the present invention;

fig. 4 is a schematic view of the protection device of the present invention.

In the figure: 1. a fixed seat; 2. a rotating seat; 3. a first motor; 4. a first robot arm; 5. a second motor; 6. a third motor; 7. a limiting device; 701. rotating the strip; 702. a rotating groove; 703. a spacing pin; 704. a first mating block; 705. a tension spring; 706. a second mating block; 8. a second mechanical arm; 9. a guard; 901. a stationary case; 902. connecting the side plates; 903. reserving a groove; 904. fixing grooves; 10. and (4) mechanically clamping.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a mechanical arm for advanced manufacturing technology comprises a fixed base 1, a rotating base 2 is arranged above the fixed base 1, the rotating base 2 is connected with a first mechanical arm 4 through a first motor 3, the first mechanical arm 4 is connected with a second mechanical arm 8 through a third motor 6, the second mechanical arm 8 is connected with a mechanical clamp 10 through a second motor 5, a limiting device 7 is arranged between the first mechanical arm 4 and the second mechanical arm 8, the limiting device 7 comprises a rotating strip 701, a rotating groove 702, a limiting pin 703, a first mating block 704, a telescopic spring 705 and a second mating block 706, the rotating strip 701 is welded on the first mechanical arm 4, the rotating groove 702 is arranged inside the rotating strip 701, the first mating block 704 and the second mating block 706 are arranged inside the rotating groove 702, the telescopic spring 705 is arranged between the first mating block 704 and the second mating block 706, the inside that lies in rotation groove 702 on second arm 8 is provided with spacer pin 703, and the cover has protector 9 on mechanical fixture 10, and protector 9 includes set casing 901, connection curb plate 902, preformed groove 903 and fixed slot 904, and preformed groove 903 has been seted up to the inside of set casing 901, and the both sides of set casing 901 are provided with connection curb plate 902, and connect the lateral wall of curb plate 902 and seted up fixed slot 904.

In this embodiment, the number of the first engaging blocks 704, the telescopic springs 705 and the second engaging blocks 706 is two, the first engaging blocks 704, the telescopic springs 705 and the second engaging blocks 706 are respectively located at two sides of the limit pin 703, the arc centers of the rotating strip 701 and the rotating groove 702 are aligned with the axis of the third motor 6, the limit pin 703 moves along the inside of the rotating groove 702, the rotation of the second mechanical arm 8 is limited by the limiting device 7, so that the mechanical arm is prevented from exceeding the limit position during rotation, a buffering effect can be achieved, and the operation is more convenient.

In this embodiment, the fixing grooves 904 of the connecting side plates 902 are clamped at two ends of the second motor 5, the mechanical fixture 10 is located in the reserved groove 903, and the mechanical fixture 10 is protected through the fixing shell 901, so that the mechanical fixture 10 is protected when not used for a long time, and is more practical.

In addition, the mechanical gripper 10 rotates around the second motor 5, the second mechanical arm 8 rotates around the third motor 6, and the first mechanical arm 4 rotates around the first motor 3; the rotating seat 2 rotates around the fixed seat 1; the first mechanical arm 4 and the second mechanical arm 8 are provided with through hole.

It should be noted that, the utility model relates to a mechanical arm for advanced manufacturing technology, when in use, the rotating base 2 rotates around the fixed base 1, the first mechanical arm 4 rotates around the first motor 3, the second mechanical arm 8 rotates around the third motor 6, the mechanical clamp 10 rotates around the second motor 5, so that the mechanical clamp 10 moves to a designated position, at this time, the workpiece can be clamped by the mechanical clamp 10, when rotating, the rotation angle of the second mechanical arm 8 can be limited by the limiting device 7, specifically, when the third motor 6 drives the second mechanical arm 8 to rotate, the limiting pin 703 on the second mechanical arm 8 moves along the rotating groove 702 of the rotating strip 701, when the limiting pin moves to the two ends of the rotating groove 702, at this time, the limiting pin 703 can contact with the second matching block 706 and push the first matching block 704 to move, the impact of the second matching block 706 is reduced under the effect of the expansion spring 705, more practical, processing is accomplished the back, directly exposes mechanical fixture 10 and lacks the protection outside, can overlap set casing 901 this moment on mechanical fixture 10, will connect curb plate 902's fixed slot 904 card at the both ends of second motor 5, and the preformed groove 903 of protector 9 protects mechanical fixture 10 this moment, avoids the condition that mechanical fixture 10 damaged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A mechanical arm for advanced manufacturing technology is characterized in that: the mechanical arm comprises a fixed seat (1), wherein a rotating seat (2) is arranged above the fixed seat (1), the rotating seat (2) is connected with a first mechanical arm (4) through a first motor (3), the first mechanical arm (4) is connected with a second mechanical arm (8) through a third motor (6), the second mechanical arm (8) is connected with a mechanical clamp (10) through a second motor (5), a limiting device (7) is arranged between the first mechanical arm (4) and the second mechanical arm (8), the limiting device (7) comprises a rotating strip (701), a rotating groove (702), a limiting pin (703), a first matching block (704), an expansion spring (705) and a second matching block (706), the rotating strip (701) is welded on the first mechanical arm (4), a rotating groove (702) is arranged inside the rotating strip (701), and a first matching block (704) and a second matching block (706) are arranged inside the rotating groove (702), a telescopic spring (705) is arranged between the first matching block (704) and the second matching block (706), a limiting pin (703) is arranged in a rotating groove (702) on the second mechanical arm (8), a protection device (9) is sleeved on the mechanical clamp (10), the protection device (9) comprises a fixed shell (901), a connecting side plate (902), a reserved groove (903) and a fixed groove (904), the reserved groove (903) is formed in the fixed shell (901), the connecting side plates (902) are arranged on two sides of the fixed shell (901), and the fixed groove (904) is formed in the side wall of the connecting side plate (902).

2. A robot arm for advanced manufacturing techniques as claimed in claim 1, wherein: the number of the first matching blocks (704), the telescopic springs (705) and the second matching blocks (706) is two, the first matching blocks (704), the telescopic springs (705) and the second matching blocks (706) are respectively located on two sides of the limiting pin (703), the arc centers of the rotating strip (701) and the rotating groove (702) are aligned with the axis of the third motor (6), and the limiting pin (703) moves along the inside of the rotating groove (702).

3. A robot arm for advanced manufacturing techniques as claimed in claim 1, wherein: the fixing groove (904) of the connecting side plate (902) is clamped with two ends of the second motor (5), and the mechanical clamp (10) is located in the reserved groove (903).

4. A robot arm for advanced manufacturing techniques as claimed in claim 1, wherein: the mechanical clamp (10) rotates around the second motor (5), the second mechanical arm (8) rotates around the third motor (6), and the first mechanical arm (4) rotates around the first motor (3).

5. A robot arm for advanced manufacturing techniques as claimed in claim 1, wherein: the rotating seat (2) rotates around the fixed seat (1).

6. A robot arm for advanced manufacturing techniques as claimed in claim 1, wherein: the first mechanical arm (4) and the second mechanical arm (8) are provided with through hole.