CN216967824U - Driving device for mechanical arm joint - Google Patents
Driving device for mechanical arm joint Download PDFInfo
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- CN216967824U CN216967824U CN202122035859.4U CN202122035859U CN216967824U CN 216967824 U CN216967824 U CN 216967824U CN 202122035859 U CN202122035859 U CN 202122035859U CN 216967824 U CN216967824 U CN 216967824U
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- mechanical arm
- wedge
- block
- fixedly connected
- sliding
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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Abstract
The utility model discloses a driving device for a mechanical arm joint, which comprises a mechanical arm rotating end, wherein a sliding cavity is arranged in the mechanical arm rotating end, a supporting plate is fixedly connected in the sliding cavity, two sliding grooves are formed in the inner wall of the sliding cavity, sliding blocks are respectively and slidably connected in the two sliding grooves, a first wedge-shaped block is fixedly connected to each sliding block, a first spring is sleeved on each sliding block, two ends of each first spring are fixed on the inner walls of the first wedge-shaped block and the sliding cavity, a second wedge-shaped block which is abutted to each first wedge-shaped block is arranged on each first wedge-shaped block, a pressing block is fixedly connected to each second wedge-shaped block, and an automatic ejecting mechanism is arranged below the mechanical arm. The mechanical arm can be easily installed and fixed on the rotating end of the mechanical arm, only the pressing block needs to be pressed when the mechanical arm is disassembled, and a screw does not need to be manually rotated, so that the installation time of workers is saved.
Description
Technical Field
The utility model relates to the technical field of mechanical arms, in particular to a driving device for a mechanical arm joint.
Background
The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling. Because of its unique operational flexibility, it has been widely used in the fields of industrial assembly, safety and explosion protection.
The existing mechanical arm and the rotating end of the mechanical arm are generally fixedly connected through a screw nut, the screw needs to be manually screwed in use, the workload is increased for workers, the screw is easy to lose when not screwed at ordinary times, and the application number is CN 201821724364.4.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a driving device for a mechanical arm joint.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a driving device for a mechanical arm joint comprises a mechanical arm rotating end, wherein a sliding cavity is arranged in the mechanical arm rotating end, a supporting plate is fixedly connected in the sliding cavity, two sliding grooves are formed in the inner wall of the sliding cavity, a sliding block is connected in each of the two sliding grooves in a sliding mode, a first wedge block is fixedly connected to the sliding block, a first spring is sleeved on the sliding block, two ends of the first spring are fixed to the inner walls of the first wedge block and the sliding cavity, a second wedge block which is abutted to the first wedge block is arranged on the first wedge block, the second wedge block penetrates through the upper wall of the mechanical arm rotating end and is connected with the mechanical arm rotating end in a sliding mode, a pressing block is fixedly connected to the second wedge block, a second spring is sleeved outside the second wedge block, two ends of the second spring are fixedly connected to the pressing block and the mechanical arm rotating end respectively, two connecting rods are fixedly connected to the first wedge block, the two connecting rods are fixedly connected with a third wedge block together, a mechanical arm penetrating through the upper end of the rotating end of the mechanical arm is arranged on the supporting plate, two grooves are formed in the mechanical arm, the third wedge block is abutted to the grooves, and an automatic ejection mechanism is arranged below the mechanical arm.
Preferably, the auto-eject mechanism is including fixing the cylinder in the rotatory end of arm inside, the cylinder overcoat is equipped with the third spring, the cover is equipped with the round cap that runs through the backup pad on the cylinder, the both ends of third spring respectively with the inside fixed connection of round cap and the rotatory end of arm, be equipped with the fourth spring in the round cap, the both ends of fourth spring respectively with round cap and cylinder fixed connection.
Preferably, two on the second wedge fixedly connected with ring jointly, the arm runs through the ring setting and does not offset.
Preferably, the third wedge block, the connecting rod, the first wedge block, the second wedge block and the sliding block are all made of stainless steel.
Preferably, a rubber pad is arranged on the round cap and fixedly connected with the round cap.
Preferably, the support plate is provided with a non-slip mat, and the non-slip mat is fixedly connected with the support plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. the cooperation through first wedge and second wedge makes when the rotatory end of arm is installed to the arm to needs, only need to insert the arm rotatory end can, the third wedge offsets with the recess and fixes the manipulator.
2. Through pressing down the pressing block, can make third wedge-shaped piece and recess no longer offset, pop out the manipulator again under the effect of round cap, third spring and fourth spring, can take out the manipulator.
In conclusion, the mechanical arm can be easily installed and fixed on the rotating end of the mechanical arm, only the pressing block needs to be pressed when the mechanical arm is detached, and a screw does not need to be manually rotated, so that the installation time of workers is saved.
Drawings
Fig. 1 is a front sectional view of a driving apparatus for a robot arm joint according to the present invention.
Fig. 2 is a top sectional view of a driving apparatus for a robot arm joint according to the present invention.
Fig. 3 is a top view of a portion of the part.
In the figure: the mechanical arm comprises a mechanical arm rotating end 1, a mechanical arm 2, a sliding block 3, a first wedge-shaped block 4, a first spring 5, a second wedge-shaped block 6, a connecting rod 7, a pressing block 8, a second spring 9, a third wedge-shaped block 10, a circular ring 11, a supporting plate 12, a cylinder 13, a circular cap 14, a third spring 15 and a fourth spring 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a driving device for a mechanical arm joint, including a mechanical arm rotating end 1, a sliding cavity is arranged inside the mechanical arm rotating end 1, a supporting plate 12 is fixedly connected inside the sliding cavity, two sliding grooves are formed in the inner wall of the sliding cavity, a sliding block 3 is connected in each of the two sliding grooves in a sliding manner, a first wedge block 4 is fixedly connected to the sliding block 3, a first spring 5 is sleeved on the sliding block 3, two ends of the first spring 5 are fixed on the inner walls of the first wedge block 4 and the sliding cavity, a second wedge block 6 which is offset with the first wedge block 4 is arranged on the first wedge block 4, the second wedge block 6 penetrates through the upper wall of the mechanical arm rotating end 1 and is connected with the first wedge block in a sliding manner, a circular ring 11 is fixedly connected to the two second wedge blocks 6 together, the mechanical arm 2 penetrates through the circular ring 11 and is not offset, and the circular ring 11 can assist the two second wedge blocks 6 to move down synchronously when pressed down.
The second wedge-shaped block 6 is fixedly connected with a pressing block 8, a second spring 9 is sleeved outside the second wedge-shaped block 6, two ends of the second spring 9 are respectively and fixedly connected with the pressing block 8 and the mechanical arm rotating end 1, the first wedge-shaped block 4 is fixedly connected with two connecting rods 7, the two connecting rods 7 are jointly and fixedly connected with a third wedge-shaped block 10, a mechanical arm 2 penetrating through the upper end of the mechanical arm rotating end 1 is arranged on a supporting plate 12, an anti-slip pad is arranged on the supporting plate 12 and fixedly connected with the supporting plate 12, the mechanical arm 2 can not slide relative to the supporting plate 12 when being fixed on the supporting plate 12, two grooves are arranged on the mechanical arm 2, the third wedge-shaped block 10 is abutted against the grooves, the third wedge-shaped block 10, the connecting rods 7, the first wedge-shaped block 4, the second wedge-shaped block 6 and the sliding block 3 are made of stainless steel, and each part made of the stainless steel can ensure that the parts are more stable when being used in a matching way, an automatic ejection mechanism is arranged below the mechanical arm 2.
Automatic pop-up mechanism is including fixing cylinder 13 in arm rotatory end 1 inside, cylinder 13 overcoat is equipped with third spring 15, the cover is equipped with round cap 14 that runs through backup pad 12 on the cylinder 13, be equipped with the rubber pad on the round cap 14, rubber pad and round cap 14 fixed connection, the rubber pad can be so that arm 2 plays the cushioning effect when offsetting with round cap 14, avoid the direct contact extrusion and produce deformation, the both ends of third spring 15 respectively with the inside fixed connection of round cap 14 and arm rotatory end 1, be equipped with fourth spring 16 in the round cap 14, the both ends of fourth spring 16 respectively with round cap 14 and cylinder 13 fixed connection.
The working principle is as follows: when the arm 2 needs to be installed on the arm rotation end 1, the staff first inserts the arm 2 into the arm rotation end 1, when 2 lower extremes of arm extrude the third wedge 10 upper end, can make the third wedge 10 move to the right, the third wedge 10 drives two connecting rods 7, first wedge 4 and slider 3 move to the right, compress first spring 5, along with arm 2 moves down, can drive round cap 14 and move down, compress third spring 15 and fourth spring 16, when arm 2 offsets with backup pad 12, third wedge 10 offsets with the recess under the effect of first spring 5 elasticity, thereby accomplish the fixed to arm 2.
When the mechanical arm 2 needs to be detached from the mechanical arm rotating end 1, a worker only needs to press down the two pressing blocks 8, the circular ring 11 can assist the two pressing blocks 8 to descend synchronously, the pressing blocks 8 drive the second wedge-shaped block 6 to move downwards to extrude the second spring 9, the second wedge-shaped block 6 moves downwards to extrude the first wedge-shaped block 4 to move rightwards, the first wedge-shaped block 4 drives the connecting rod 7 and the third wedge-shaped block 10 to move rightwards, the third wedge-shaped block 10 does not abut against the groove of the mechanical arm 2 any more at the moment, under the elastic force action of the third spring 15 and the fourth spring 16, the circular cap 14 is pushed upwards to drive the mechanical arm 2 to slide upwards, and the mechanical arm 2 can be taken out.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.
Claims (6)
1. A drive arrangement for a robot arm joint, comprising a robot arm rotating end (1), characterized in that: the mechanical arm rotating end is characterized in that a sliding cavity is arranged inside the mechanical arm rotating end (1), a supporting plate (12) is fixedly connected in the sliding cavity, two sliding grooves are formed in the inner wall of the sliding cavity, a sliding block (3) is connected in the sliding groove in a sliding mode, a first wedge block (4) is fixedly connected to the sliding block (3), a first spring (5) is sleeved on the sliding block (3), two ends of the first spring (5) are fixed to the inner walls of the first wedge block (4) and the sliding cavity, a second wedge block (6) which is abutted against the first wedge block (4) is arranged on the first wedge block (4), the second wedge block (6) penetrates through the upper wall of the mechanical arm rotating end (1) and is connected with the first wedge block in a sliding mode, a pressing block (8) is fixedly connected to the second wedge block (6), a second spring (9) is sleeved outside the second wedge block (6), two ends of the second spring (9) are fixedly connected to the mechanical arm rotating end (1) and the pressing block (8), two connecting rods (7) are fixedly connected to the first wedge-shaped block (4), two connecting rods (7) are fixedly connected with a third wedge-shaped block (10) jointly, a mechanical arm (2) penetrating through the upper end of the mechanical arm rotating end (1) is arranged on the supporting plate (12), two grooves are formed in the mechanical arm (2), the third wedge-shaped block (10) is abutted to the grooves, and an automatic ejecting mechanism is arranged below the mechanical arm (2).
2. The driving device for the mechanical arm joint as claimed in claim 1, wherein the automatic ejection mechanism comprises a cylinder (13) fixed inside the mechanical arm rotating end (1), a third spring (15) is sleeved outside the cylinder (13), a round cap (14) penetrating through the support plate (12) is sleeved on the cylinder (13), two ends of the third spring (15) are respectively fixedly connected with the round cap (14) and the inside of the mechanical arm rotating end (1), a fourth spring (16) is arranged inside the round cap (14), and two ends of the fourth spring (16) are respectively fixedly connected with the round cap (14) and the cylinder (13).
3. The driving device for the mechanical arm joint as recited in claim 1, wherein a ring (11) is fixedly connected to the two second wedge blocks (6), and the mechanical arm (2) is arranged through the ring (11) and is not abutted.
4. The driving device for the mechanical arm joint according to claim 1, wherein the third wedge block (10), the connecting rod (7), the first wedge block (4), the second wedge block (6) and the sliding block (3) are all made of stainless steel.
5. The driving device for the mechanical arm joint as claimed in claim 2, wherein the round cap (14) is provided with a rubber pad, and the rubber pad is fixedly connected with the round cap (14).
6. The driving device for a robot arm joint according to claim 1, wherein the supporting plate (12) is provided with a non-slip mat, and the non-slip mat is fixedly connected with the supporting plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122035859.4U CN216967824U (en) | 2021-08-27 | 2021-08-27 | Driving device for mechanical arm joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122035859.4U CN216967824U (en) | 2021-08-27 | 2021-08-27 | Driving device for mechanical arm joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216967824U true CN216967824U (en) | 2022-07-15 |
Family
ID=82337480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122035859.4U Active CN216967824U (en) | 2021-08-27 | 2021-08-27 | Driving device for mechanical arm joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216967824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116140384A (en) * | 2022-12-21 | 2023-05-23 | 马鞍山市方圆材料工程股份有限公司 | Rolling guide and guard device of rolling mill |
-
2021
- 2021-08-27 CN CN202122035859.4U patent/CN216967824U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116140384A (en) * | 2022-12-21 | 2023-05-23 | 马鞍山市方圆材料工程股份有限公司 | Rolling guide and guard device of rolling mill |
| CN116140384B (en) * | 2022-12-21 | 2023-09-05 | 马鞍山市方圆材料工程股份有限公司 | Rolling guide and guard device of rolling mill |
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