CN217072437U

CN217072437U - Mechanical arm

Info

Publication number: CN217072437U
Application number: CN202220898047.4U
Authority: CN
Inventors: 蔡晶; 刘明生; 邵华; 王超
Original assignee: Hunan Ningqing Aerospace Intelligent Equipment Co ltd
Current assignee: Hunan Ningqing Aerospace Intelligent Equipment Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-29
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to a mechanical arm belongs to the field of mechanical automation equipment, and it includes first support arm and second support arm, has seted up first heavy groove on the first support arm, sets up the heavy groove of second that corresponds with first heavy groove on the second support arm, and the interpolation in the heavy groove of first heavy groove and second has connect and draw the piece, draws the both ends of piece to pass through the connecting piece and is connected with first support arm and second support arm respectively. The application has the effect of increasing the application range and flexibility of the mechanical arm.

Description

Mechanical arm

Technical Field

The application relates to the field of mechanical automation equipment, in particular to a mechanical arm.

Background

A robot, also called a robot arm, is an automatic operation tool that can simulate some motion functions of a human hand and an arm to grasp, carry an object or operate a tool according to a fixed program.

The manipulator in the related art generally includes a plurality of arms, and the plurality of arms are used to realize movements with different degrees of freedom, but the specification of each arm is fixed, and the manipulator cannot be adaptively adjusted according to the change of a target position in an actual use process, and is low in flexibility.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of low flexibility of the mechanical arm, the application provides the mechanical arm.

The application provides a manipulator adopts following technical scheme:

the utility model provides a mechanical arm, includes first support arm and second support arm, first heavy groove has been seted up on the first support arm, set up the heavy groove of second that corresponds with first heavy groove on the second support arm, it has the piece of drawing to peg graft in first heavy groove and the heavy groove of second, and the both ends of drawing the piece are passed through the connecting piece and are connected with first support arm and second support arm respectively.

Through adopting above-mentioned technical scheme, the relative position that draws piece and first heavy groove and the heavy groove of second is adjustable for the interval of first support arm and second support arm changes, utilizes the connecting piece to fix after adjusting, has realized the regulation to mechanical arm whole length, has increased mechanical arm's application scope and flexibility.

Optionally, the connecting piece includes a locking screw, a long waist hole distributed along the length direction of the second sinking groove is formed at the bottom of the second sinking groove, and the locking screw penetrates through the long waist hole and then is in threaded connection with the pull block.

Through adopting above-mentioned technical scheme, when drawing piece and the heavy groove position of second and taking place relative movement, locking screw moves along long waist hole, and it alright will draw piece and second support arm fixed to screw up locking screw after adjusting.

Optionally, the pull block is provided with a plurality of screw holes matched with the locking screws.

Through adopting above-mentioned technical scheme, a plurality of screw have increased its and locking screw's fit scope.

Optionally, the first support arm includes two first support plates parallel to each other, the second support arm includes two second support plates parallel to each other, the two first support plates are connected by a first distance piece, and the two second support plates are connected by a second distance piece.

Through adopting above-mentioned technical scheme, first support arm and second support arm adopt assembled structure, the change and the installation of the part of being convenient for.

Optionally, the first distance piece comprises a distance block, and two ends of the distance block are connected with the first supporting plate through fastening screws.

Through adopting above-mentioned technical scheme, the interval of two first extension boards has been injectd to the length of distance piece, and fastening screw is fixed distance piece and first extension board for two first extension boards keep relatively fixed simple to operate.

Optionally, the number of the fastening screws corresponding to each end of the distance block is two.

Through adopting above-mentioned technical scheme, two binding screws have played the effect of reinforcing the connection on the one hand, have also reduced the distance piece on the other hand and have produced crooked probably when fixed.

Optionally, the first support plate side wall is provided with a distance groove for inserting a distance block, and the second distance piece has the same structure as the first distance piece.

Through adopting above-mentioned technical scheme, the distance groove has restricted the displacement of distance piece, does benefit to and improves the fixed stability of first support plate.

Optionally, a trough is arranged on the second support plate.

By adopting the technical scheme, the trough reduces the overall weight of the second support plate and also reduces the materials required by the second support plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the adjustment of the whole length of the mechanical arm is realized, and the application range and flexibility of the mechanical arm are increased;

2. the first support arm and the second support arm are of an assembled structure, so that parts can be replaced and installed conveniently.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Description of reference numerals: 11. a first support arm; 111. a first support plate; 12. a second support arm; 121. a second support plate; 13. a first sink tank; 14. a second sink tank; 15. pulling the block; 2. a connecting member; 21. locking the screw; 22. a long waist hole; 3. a screw hole; 4. a first distance member; 41. a distance block; 42. fastening screws; 43. a distance groove; 5. a second distance member; 6. a trough.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a mechanical arm. As shown in fig. 1, the robot arm includes a first support arm 11 and a second support arm 12 which are distributed relatively, a first sinking groove 13 distributed along the length direction of the first support arm 11 is formed on the first support arm 11, a second sinking groove 14 corresponding to the first sinking groove 13 is formed on the second support arm 12, opposite ends of the first sinking groove 13 and the second sinking groove 14 are both opened outwards, a pulling block 15 is inserted in the first sinking groove 13 and the second sinking groove 14, and two ends of the pulling block 15 are respectively connected with the first support arm 11 and the second support arm 12 through a connecting member 2.

The pull block 15 is used as a connection base of the first support arm 11 and the second support arm 12, an operator can move the first support arm 11 and the second support arm 12 to adjust the relative position between the pull block 15 and the first support arm 11 and the second support arm 12, so that the first support arm 11 and the second support arm 12 are close to or far away from each other and are fixed through the connecting piece 2, the adjustment of the whole length of the mechanical arm is achieved, the flexibility is high, and the application range of the mechanical arm is enlarged.

Connecting piece 2 includes locking screw 21, locking screw 21 sets up on first support arm 11 and second support arm 12, be equipped with on the pull block 15 a plurality of with locking screw 21 matched with screw 3, a plurality of screw 3 are along pulling 15 length direction interval arrangements, the long kidney hole 22 of seting up along its length direction distribution is run through to the 14 tank bottoms of second heavy groove, long kidney hole 22 width is less than the 14 tank widths of second heavy groove, first heavy groove 13 and second heavy groove 14 all correspond screw 3. The locking screw 21 corresponding to the first support arm 11 penetrates through the first support arm 11 and then is in threaded connection with the pulling block 15 in the screw hole 3 corresponding to the first sinking groove 13, the locking screw 21 corresponding to the second support arm 12 penetrates through the long waist hole 22 and then is in threaded connection with the pulling block 15 in the screw hole 3 corresponding to the second sinking groove 14, so that the pulling block 15 is fixed with the first support arm 11 and the second support arm 12, and further the first support arm 11 and the second support arm 12 are fixed.

As shown in fig. 1, the first support arm 11 includes two first support plates 111 parallel to each other, the two first support plates 111 are connected by the first distance piece 4, the second support arm 12 includes two second support plates 121 parallel to each other, the two second support plates 121 are connected by the two second distance pieces 5, the second support plates 121 correspond to the first support plates 111 one by one, the side walls of the second support plates 121 are provided with through troughs 6, the troughs 6 penetrate through the second support plates 121 in the direction toward the first support plates 111, and the troughs 6 are located between the two second distance pieces 5.

The first sinking grooves 13 are formed in opposite sides of the two first support plates 111, each first support plate 111 is correspondingly provided with two first sinking grooves 13, the first sinking grooves 13 are distributed close to the side edges of the first support plates 111, one ends of the first sinking grooves 13 facing the second support plates 121 extend out of the first support plates 111, the second sinking grooves 14 are formed in opposite sides of the two second support plates 121 and correspond to the first sinking grooves 13 on the corresponding first support plates 111 one by one, one ends of the second sinking grooves 14 facing the first support plates 111 extend out of the second support plates 121, each group of the corresponding first sinking grooves 13 and the corresponding second sinking grooves 14 are respectively inserted with a pulling block 15, and two ends of each pulling block 15 are respectively fixed with the first support plates 111 and the second support plates 121 through locking screws 21.

As shown in fig. 1, the first distance member 4 includes a distance block 41, distance grooves 43 are formed in two first supporting plates 111 on opposite sides, the length of each distance groove 43 is greater than the length of an end of the distance block 41, two ends of each distance block 41 are respectively inserted into the two distance grooves 43, two ends of each distance block 41 are respectively provided with two fastening screws 42, and the fastening screws 42 penetrate through the first supporting plates 111 and are in threaded connection with the ends of the distance blocks 41 to fix the two first supporting plates 111. The second distance elements 5 are of the same construction as the first distance elements 4, and the first distance elements 4 and the two second distance elements 5 have a triangular arrangement of a total of three distance pieces 41.

The implementation principle of the embodiment of the application is as follows: the two first supporting plates 111 and the two second supporting plates 121 are fixed into a whole by adopting a structure that the distance block 41 is connected with the fastening screw 42, and the distance between the first supporting plate 111 and the second supporting plate 121 can be freely adjusted, so that the length of the whole mechanical arm is changed, and the mechanical arm can be fastened by the locking screw 21 and the thread of the pull block 15 during fixing, and the flexibility is high.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A robot arm, characterized in that: including first support arm (11) and second support arm (12), first heavy groove (13) have been seted up on first support arm (11), set up on second support arm (12) and sink groove (14) with the second that first heavy groove (13) correspond, it has pull piece (15) to peg graft in first heavy groove (13) and the heavy groove (14) of second, and the both ends of pulling piece (15) are passed through connecting piece (2) and are connected with first support arm (11) and second support arm (12) respectively.

2. A robot arm as claimed in claim 1, wherein: the connecting piece (2) comprises a locking screw (21), long waist holes (22) distributed along the length direction of the second sinking groove (14) are formed in the bottom of the second sinking groove (14), and the locking screw (21) penetrates through the long waist holes (22) and then is in threaded connection with the pull block (15).

3. A robot arm as claimed in claim 2, wherein: the pull block (15) is provided with a plurality of screw holes (3) matched with the locking screws (21).

4. A robot arm as claimed in claim 1, wherein: the first supporting arm (11) comprises two first supporting plates (111) which are parallel to each other, the second supporting arm (12) comprises two second supporting plates (121) which are parallel to each other, the two first supporting plates (111) are connected through a first distance piece (4), and the two second supporting plates (121) are connected through a second distance piece (5).

5. A robot arm as claimed in claim 4, wherein: the first distance piece (4) comprises a distance block (41), and two ends of the distance block (41) are connected with the first support plate (111) through fastening screws (42).

6. A robot arm as claimed in claim 5, wherein: the number of the fastening screws (42) corresponding to each end of the distance block (41) is two.

7. A robot arm as claimed in claim 5, wherein: the side wall of the first support plate (111) is provided with a distance groove (43) for inserting a distance block (41), and the structure of the second distance piece is the same as that of the first distance piece (4).

8. A robot arm as claimed in claim 4, wherein: and a trough (6) is arranged on the second support plate (121).