CN210452797U - Clamping mechanism of automatic mechanical arm - Google Patents
Clamping mechanism of automatic mechanical arm Download PDFInfo
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- CN210452797U CN210452797U CN201921285700.4U CN201921285700U CN210452797U CN 210452797 U CN210452797 U CN 210452797U CN 201921285700 U CN201921285700 U CN 201921285700U CN 210452797 U CN210452797 U CN 210452797U
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- fixedly connected
- installation box
- motor
- mechanical arm
- box body
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Abstract
The utility model discloses an automatic change fixture of arm, which comprises a fixing plate and i, the lower surface of fixed plate passes through coupling mechanism fixedly connected with installation box, the top fixed mounting of installation box has the motor, the output shaft of motor extends to the inside and the fixedly connected with head rod of installation box, the first bevel gear of one end fixedly connected with of motor output shaft is kept away from to the head rod, the inner wall all rotates through the bearing and is connected with the screw thread dwang about the installation box, the one end fixedly connected with second bevel gear of bearing is kept away from to the screw thread dwang, the outer surface thread of screw thread dwang installs and removes the collets, the last fixed surface of removing the collets is connected with the trapezoidal piece. The utility model discloses, whole fixture need not to realize descending on one side the centre gripping with the help of other power unit, and overall structure is fairly simple, and the operation process is more convenient.
Description
Technical Field
The utility model relates to a zero part field of arm especially relates to an automatic change fixture of arm.
Background
The mechanical arm has been widely applied in the fields of industrial assembly, safety, explosion prevention and the like due to the unique operation flexibility; the mechanical arm is a complex system, and uncertainties such as parameter perturbation, external interference, unmodeled dynamics and the like exist; therefore, uncertainty exists in a modeling model of the mechanical arm, and for different tasks, the motion trail of the joint space of the mechanical arm needs to be planned, so that the tail end pose is formed by cascading.
The clamping mechanism is an important structure in the existing automatic mechanical arm, the traditional mechanical arm generally moves the clamping mechanism to the position above an object to be clamped through the power mechanism when working, and then the clamping mechanism clamps the object, so that the whole structure is complex, and the operation process is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a clamping mechanism of an automatic mechanical arm.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a clamping mechanism of an automatic mechanical arm comprises a fixed plate, wherein the lower surface of the fixed plate is fixedly connected with an installation box body through a connecting mechanism, a motor is fixedly installed at the top of the installation box body, an output shaft of the motor extends into the installation box body and is fixedly connected with a first connecting rod, one end, away from the output shaft of the motor, of the first connecting rod is fixedly connected with a first bevel gear, the left inner wall and the right inner wall of the installation box body are rotatably connected with threaded rotating rods through bearings, one end, away from the bearings, of each threaded rotating rod is fixedly connected with a second bevel gear, a movable sleeve block is installed on the outer surface of each threaded rotating rod in a threaded mode, a trapezoidal block is fixedly connected to the upper surface of each movable sleeve block, a second connecting rod is fixedly connected to the lower surface of each movable sleeve block, one end, away, the utility model discloses a motor, including installation box, motor, stopper, straight-bar, the equal fixedly connected with stopper in both sides that the upper surface of installation box just is located the motor, the surface of stopper is run through to peg graft and is had movable straight-bar, the top fixedly connected with binding plate of activity straight-bar, and the bottom of activity straight-bar rotates and is connected with the cylinder.
As a further description of the above technical solution:
the connecting mechanism comprises a telescopic rod, two ends of the telescopic rod are fixedly connected with the lower surface of the fixing plate and the upper surface of the mounting box body respectively, and the outer surface of the telescopic rod is sleeved with a buffer spring.
As a further description of the above technical solution:
the upper surface of laminating board and the lower surface of fixed plate laminate mutually, the surface of cylinder laminates with the upper surface of trapezoidal piece mutually, and the upper surface of trapezoidal piece is the inclined plane.
As a further description of the above technical solution:
the two second bevel gears are respectively positioned at the left lower part and the right lower part of the first bevel gear, and the first bevel gear is meshed with the two second bevel gears.
As a further description of the above technical solution:
the upper surface fixed mounting of installation box has fixed casing, the motor is located the inside of fixed casing.
As a further description of the above technical solution:
and a rubber sheet is arranged on the side wall of the clamping plate.
The utility model discloses following beneficial effect has:
compared with the prior art, the output shaft of the clamping mechanism of the automatic mechanical arm drives the first bevel gear to rotate through the first connecting rod, the two threaded rotating rods rotate through the first bevel gear, so that the two movable sleeve blocks move in opposite directions, when the two movable sleeve blocks move close to each other, the two clamping plates move close to each other in the middle, meanwhile, the trapezoidal blocks also move along with the movable sleeve blocks, when the two trapezoidal blocks are closed in opposite directions, the movable straight rod can move upwards, thereby the whole installation box body moves downwards, the two clamping plates move downwards, otherwise, when the two movable sleeve blocks are far away from the moving, the two clamping plates are opened and lifted, the whole clamping mechanism can realize clamping and descending at the same time without other power mechanisms, the whole structure is simpler, and the operation process is more convenient.
Drawings
Fig. 1 is a schematic view of an overall structure of a clamping mechanism of an automated mechanical arm according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a clamping mechanism of an automated mechanical arm according to the present invention;
fig. 3 is a partial enlarged view of fig. 2-a according to the present invention.
Illustration of the drawings:
1. a fixing plate; 2. a connecting mechanism; 3. installing a box body; 4. a motor; 5. a first connecting rod; 6. a first bevel gear; 7. a threaded rotating rod; 8. a second bevel gear; 9. moving the sleeve block; 10. a trapezoidal block; 11. a second connecting rod; 12. a clamping plate; 13. a bearing; 14. a limiting block; 15. a movable straight rod; 16. attaching a plate; 17. a drum; 18. a stationary housing; 19. a rubber sheet; 201. a telescopic rod; 202. a buffer spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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.
Referring to fig. 1-3, the utility model provides a pair of change fixture of arm: comprises a fixed plate 1, the fixed plate 1 is fixed on a mechanical arm and can not move, the lower surface of the fixed plate 1 is fixedly connected with an installation box body 3 through a connecting mechanism 2, the connecting mechanism 2 is arranged to ensure that the installation box body 3 can stably lift, the top of the installation box body 3 is fixedly provided with a motor 4, an output shaft of the motor 4 extends into the installation box body 3 and is fixedly connected with a first connecting rod 5, one end of the first connecting rod 5 far away from the output shaft of the motor 4 is fixedly connected with a first bevel gear 6, the left inner wall and the right inner wall of the installation box body 3 are both rotatably connected with a threaded rotating rod 7 through a bearing 13, when the two threaded rotating rods 7 are installed, the rotating directions of the two threaded rotating rods 7 are opposite, so that two movable sleeve blocks 9 can approach or separate from each other in opposite directions, the outer surface threaded mounting of screw dwang 7 has removal collets 9, the last fixed surface who removes collets 9 is connected with trapezoidal piece 10, the lower fixed surface who removes collets 9 is connected with second connecting rod 11, the one end that second connecting rod 11 kept away from and remove collets 9 extends to the outside and the fixedly connected with grip block 12 of installation box 3, the upper surface of installation box 3 and the equal fixedly connected with stopper 14 in both sides that is located motor 4, stopper 14's surface runs through the grafting and has activity straight-bar 15, the top fixedly connected with binding plate 16 of activity straight-bar 15, and the bottom of activity straight-bar 15 is rotated and is connected with cylinder 17.
The connecting mechanism 2 comprises an expansion link 201, two ends of the expansion link 201 are fixedly connected with the lower surface of the fixed plate 1 and the upper surface of the installation box 3 respectively, a buffer spring 202 is sleeved on the outer surface of the expansion link 201, the upper surface of the attaching plate 16 is attached to the lower surface of the fixed plate 1, the outer surface of the roller 17 is attached to the upper surface of the trapezoidal block 10, the upper surface of the trapezoidal block 10 is an inclined surface, the two second bevel gears 8 are respectively positioned at the left lower part and the right lower part of the first bevel gear 6, the first bevel gear 6 is engaged with the two second bevel gears 8, the two second bevel gears 8 can be driven to rotate by the first bevel gear 6, the fixed shell 18 is fixedly installed on the upper surface of the installation box 3, the motor 4 is positioned in the fixed shell 18, the fixed shell 18 has a certain protection effect on the motor 4, and the rubber sheet 19 is arranged on, the rubber sheet 19 is provided to prevent the two holding plates 12 from damaging the article.
The working principle is as follows: during the use, starter motor 4, motor 4's output shaft drives first bevel gear 6 through first connecting rod 5 and rotates, can drive two second bevel gear 8 through first bevel gear 6 and rotate, thereby let two screw dwang 7 rotate, make two remove the collets 9 and be close to or keep away from toward opposite direction, when two remove collets 9 and be close to the removal, two grip blocks 12 also draw close the removal toward the centre, trapezoidal piece 10 also follows simultaneously and removes collets 9 and move together, when two trapezoidal pieces 10 draw close toward opposite direction, make movable straight-bar 15 can up move, because fixed plate 1 fixes unable removal on the arm, thereby make the downstream of whole installation box 3, two grip blocks 12 have been realized and have been removed down, otherwise, when two remove collets 9 and keep away from the removal, two grip blocks 12 open and rise.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an automatic change fixture of arm, includes fixed plate (1), its characterized in that: the lower surface of the fixed plate (1) is fixedly connected with an installation box body (3) through a connecting mechanism (2), the top of the installation box body (3) is fixedly provided with a motor (4), an output shaft of the motor (4) extends into the installation box body (3) and is fixedly connected with a first connecting rod (5), one end, far away from the output shaft of the motor (4), of the first connecting rod (5) is fixedly connected with a first bevel gear (6), the left inner wall and the right inner wall of the installation box body (3) are both rotatably connected with a threaded rotating rod (7) through a bearing (13), one end, far away from the bearing (13), of the threaded rotating rod (7) is fixedly connected with a second bevel gear (8), the outer surface of the threaded rotating rod (7) is provided with a movable sleeve block (9), the upper surface of the movable sleeve block (9) is fixedly connected with a trapezoidal block (10), and the lower surface of the movable, the one end that removes pocket (9) is kept away from in second connecting rod (11) extends to outside and fixedly connected with grip block (12) of installation box (3), the upper surface of installation box (3) just is located equal fixedly connected with stopper (14) in both sides of motor (4), the surface of stopper (14) is run through to peg graft and is had activity straight-bar (15), the top fixedly connected with attaching plate (16) of activity straight-bar (15), and the bottom of activity straight-bar (15) is rotated and is connected with cylinder (17).
2. The clamping mechanism of the automated mechanical arm according to claim 1, wherein: the connecting mechanism (2) comprises a telescopic rod (201), two ends of the telescopic rod (201) are fixedly connected with the lower surface of the fixing plate (1) and the upper surface of the mounting box body (3) respectively, and the outer surface of the telescopic rod (201) is sleeved with a buffer spring (202).
3. The clamping mechanism of the automated mechanical arm according to claim 1, wherein: the upper surface of the jointing plate (16) is jointed with the lower surface of the fixing plate (1), the outer surface of the roller (17) is jointed with the upper surface of the trapezoidal block (10), and the upper surface of the trapezoidal block (10) is an inclined plane.
4. The clamping mechanism of the automated mechanical arm according to claim 1, wherein: the two second bevel gears (8) are respectively positioned at the left lower part and the right lower part of the first bevel gear (6), and the first bevel gear (6) is meshed with the two second bevel gears (8).
5. The clamping mechanism of the automated mechanical arm according to claim 1, wherein: the upper surface of the installation box body (3) is fixedly provided with a fixed shell (18), and the motor (4) is positioned inside the fixed shell (18).
6. The clamping mechanism of the automated mechanical arm according to claim 1, wherein: and a rubber sheet (19) is arranged on the side wall of the clamping plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285700.4U CN210452797U (en) | 2019-08-06 | 2019-08-06 | Clamping mechanism of automatic mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285700.4U CN210452797U (en) | 2019-08-06 | 2019-08-06 | Clamping mechanism of automatic mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210452797U true CN210452797U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921285700.4U Active CN210452797U (en) | 2019-08-06 | 2019-08-06 | Clamping mechanism of automatic mechanical arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210452797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590355A (en) * | 2020-06-11 | 2020-08-28 | 中国十七冶集团有限公司 | Plate automatic clamping device for architectural decoration |
-
2019
- 2019-08-06 CN CN201921285700.4U patent/CN210452797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590355A (en) * | 2020-06-11 | 2020-08-28 | 中国十七冶集团有限公司 | Plate automatic clamping device for architectural decoration |
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