CN220593205U - Mechanical arm capable of automatically adjusting clamping range - Google Patents
Mechanical arm capable of automatically adjusting clamping range Download PDFInfo
- Publication number
- CN220593205U CN220593205U CN202321847523.0U CN202321847523U CN220593205U CN 220593205 U CN220593205 U CN 220593205U CN 202321847523 U CN202321847523 U CN 202321847523U CN 220593205 U CN220593205 U CN 220593205U
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- mechanical arm
- piston block
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- motor
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- 238000007789 sealing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model discloses a mechanical arm capable of automatically adjusting a clamping range, which comprises a base, wherein a rotating column is connected to the top of the inner wall of the base through a bearing, a first motor is arranged on the left side of the upper surface of the base, a first mechanical arm is fixedly connected to the top of the rotating column, and a second motor is arranged on the left side of the first mechanical arm; further comprises: the left side of base inner wall top runs through the bearing and is connected with the transfer line, just the top of transfer line and the output fixed connection of first motor. This but automatically regulated presss from both sides range robotic arm, drives movable rod through the threaded rod and removes, can automatically regulated clamp and get the range, utilizes the driving gear to drive driven gear simultaneously and rotates, can realize the change of robotic arm direction to through reset spring's effect, can cushion the clamping force, avoid the work piece to be pressed from both sides to hinder, and can prevent the work piece slippage.
Description
Technical Field
The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm capable of automatically adjusting a clamping range.
Background
The mechanical arm can receive instructions and accurately position to a certain point for operation, can see the figure of the mechanical arm in the fields of industrial manufacture, medical treatment and the like, for example, the clamping type industrial mechanical arm with the publication number of CN215881625U clamps an object, solves the problem that a circular column object is clamped and unstable, can adjust the length through a telescopic rod, and has limited clamping range, but the clamping type industrial mechanical arm still has the following defects in the actual use process:
when the mechanism is used, the object is clamped through the two arc clamps, the problem that the object is clamped to be unstable is solved, but the clamping force is too large, the surface of the object is easy to be indented, meanwhile, the object is easy to slip from between the two arc clamps in the clamping process, the direction of the mechanical arm is inconvenient to change, the practicability is low, and meanwhile, the clamping range is inconvenient to adjust according to the distance of the object when the position of the object is far.
Therefore, the mechanical arm capable of automatically adjusting the clamping range can well solve the problems.
Disclosure of Invention
The utility model aims to provide a mechanical arm capable of automatically adjusting a clamping range, so as to solve the problems that when the mechanical arm in the prior market provided by the background technology is used, the clamping force is too large, the surface of an article is easy to be pressed, meanwhile, in the clamping process, the article is easy to slip from between two arc clamps, the direction of the mechanical arm is inconvenient to change, the practicability is low, and meanwhile, when the position of the article is far, the clamping range is inconvenient to adjust according to the distance of the article.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the mechanical arm capable of automatically adjusting the clamping range comprises a base, wherein a rotating column is connected to the top of the inner wall of the base through a bearing, a first motor is installed on the left side of the upper surface of the base, a first mechanical arm is fixedly connected to the top of the rotating column, and a second motor is installed on the left side of the first mechanical arm;
further comprises:
the left penetrating bearing at the top of the inner wall of the base is connected with a transmission rod, the top of the transmission rod is fixedly connected with the output end of the first motor, and the left penetrating bearing inside the first mechanical arm is connected with a threaded rod;
the left end of the threaded rod is fixedly connected with the output end of the second motor, the outer side of the right end of the threaded rod is sleeved with a threaded connection movable rod, the right end of the first mechanical arm is connected with a second mechanical arm, and a fixing frame is connected below the second mechanical arm;
the bottom of the fixing frame is fixedly penetrated with a shell, the top of the shell is provided with a hydraulic cylinder, the interior of the shell is connected with a piston block, and the top of the piston block is fixedly connected with the output end of the hydraulic cylinder;
the lower part of the left side and the right side of the shell is connected with a movable plate through shaft rotation, the inside of the movable plate is connected with a connecting rod in a penetrating way, one end of the connecting rod is fixedly connected with a clamping plate, and one side of the movable plate is connected with the bottom of the piston block through a connecting rod.
Preferably, the outer side of the movable rod is in sliding clamping connection with the inner wall of the first mechanical arm, and the right end of the movable rod is fixedly connected with the left side of the second mechanical arm.
By adopting the technical scheme, the second mechanical arm moves.
Preferably, two opposite faces of the clamping plates are provided with sealing rings, the inside of each sealing ring is communicated with the inside of the shell through a hose, and one side of each sealing ring is provided with a hole.
By adopting the technical scheme, the workpiece can be prevented from slipping.
Preferably, the outside of the piston block is in sliding connection with the inner wall of the shell, the bottom of the piston block penetrates through the bottom of the shell, and the piston block is arranged in an I shape.
By adopting the technical scheme, the piston block moves on the inner wall of the shell.
Preferably, the two movable plates are symmetrically arranged at two sides of the shell with respect to a central axis of the piston block, and two ends of the two connecting rods are respectively hinged with the bottom of the piston block and one side of the two movable plates.
By adopting the technical scheme, the connecting rod drives the two movable plates to rotate relatively when rotating.
Preferably, the outside winding of linking pole is connected with reset spring, just be sliding connection between linking pole and the fly leaf.
Through adopting above-mentioned technical scheme, utilize reset spring's elasticity effect can cushion clamping force.
Preferably, the driving gear is sleeved and arranged on the outer side of the transmission rod, the driven gear is fixedly connected with the outer side of the rotating column in a sleeved mode, and the driving gear and the driven gear are in meshed connection.
By adopting the technical scheme, the driving gear drives the driven gear to rotate.
Compared with the prior art, the utility model has the beneficial effects that: this but automatically regulated presss from both sides range robotic arm, drives movable rod through the threaded rod and removes, can automatically regulated clamp and get the range, utilizes the driving gear to drive driven gear simultaneously and rotates, can realize the change of robotic arm direction to through reset spring's effect, can cushion the clamping force, avoid the work piece to be pressed from both sides to hinder, and can prevent the work piece slippage, its concrete content is as follows:
(1) The movable rod is arranged, the threaded rod is driven to rotate through the second motor, the movable rod can be enabled to move on the threaded rod and drive the second mechanical arm to move rightwards, the clamping range of the mechanical arm can be automatically adjusted, then the first motor is started to drive the transmission rod to rotate, and the driving gear and the driven gear are used for being in meshed connection, so that the rotating column can be enabled to rotate, and the change of the direction of the mechanical arm is realized;
(2) Be provided with the grip block, drive the piston piece through the pneumatic cylinder and remove, the inside negative pressure that produces of casing this moment to make the sealing washer produce the suction through the hose, prevent the work piece slippage, can make the connecting rod rotate, and drive two fly leaves and rotate relatively, two grip blocks carry out the centre gripping to the work piece simultaneously, then link up the pole and remove under pressure, and utilize reset spring's elasticity effect can cushion the clamping force, thereby can avoid the work piece to be injured by the clamp because of the clamping force is too big.
Drawings
FIG. 1 is a schematic view of the main section structure of the present utility model;
FIG. 2 is a schematic view of a movable rod moving structure according to the present utility model;
FIG. 3 is a schematic top view of the driving gear and the driven gear of the present utility model;
FIG. 4 is a schematic view of the main section of the housing of the present utility model;
FIG. 5 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 6 is a schematic view of a connection structure between a seal ring and a clamping plate according to the present utility model.
In the figure: 1. a base; 2. rotating the column; 3. a transmission rod; 4. a first mechanical arm; 5. a threaded rod; 6. a movable rod; 7. a second mechanical arm; 8. a clamping plate; 9. a driven gear; 10. a drive gear; 11. a connecting rod; 12. a fixing frame; 13. a hydraulic cylinder; 14. a piston block; 15. a housing; 16. a movable plate; 17. a connecting rod; 18. a return spring; 19. a seal ring; 20. and (3) a hose.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: the mechanical arm capable of automatically adjusting the clamping range comprises a base 1, wherein a rotating column 2 is connected to the top of the inner wall of the base 1 through a bearing, a first motor is installed on the left side of the upper surface of the base 1, a first mechanical arm 4 is fixedly connected to the top of the rotating column 2, and a second motor is installed on the left side of the first mechanical arm 4;
further comprises: the left penetrating bearing at the top of the inner wall of the base 1 is connected with a transmission rod 3, the top of the transmission rod 3 is fixedly connected with the output end of the first motor, and the left penetrating bearing inside the first mechanical arm 4 is connected with a threaded rod 5; the left end of the threaded rod 5 is fixedly connected with the output end of the second motor, the outer side of the right end of the threaded rod 5 is sleeved with a threaded connection movable rod 6, the right end of the first mechanical arm 4 is connected with a second mechanical arm 7, the outer side of the movable rod 6 is in sliding clamping connection with the inner wall of the first mechanical arm 4, the right end of the movable rod 6 is fixedly connected with the left side of the second mechanical arm 7, and a fixing frame 12 is connected below the second mechanical arm 7; the bottom of mount 12 runs through and is fixed with casing 15, hydraulic cylinder 13 is installed at the top of casing 15, and the internally connected of casing 15 has piston 14, piston 14's top and the output fixed connection of hydraulic cylinder 13, the outside cover of transfer line 3 is established and is installed driving gear 10, the outside cover of spliced pole 2 is established fixedly connected with driven gear 9, and be the meshing connection between driving gear 10 and the driven gear 9, as shown in fig. 1, fig. 2 and fig. 3, start the second motor, the threaded rod 5 rotates, make the movable rod 6 that overlaps on threaded rod 5 move right, then make second arm 7 move right, thereby can automatically regulated robotic arm's clamping range, then start first motor drive transfer line 3 and rotate, make transfer line 3 drive driving gear 10 rotate, and utilize meshing connection between driving gear 10 and the driven gear 9, then make driving gear 10 drive driven gear 9 rotate, so make the spliced pole 2 rotate, thereby realize the change of robotic arm direction.
The lower parts of the left side and the right side of the shell 15 are respectively connected with a movable plate 16 through shaft rotation, the interiors of the two movable plates 16 are respectively connected with a connecting rod 17 in a penetrating way, one end of the connecting rod 17 is fixedly connected with a clamping plate 8, the outer side of the connecting rod 17 is wound and connected with a return spring 18, the connecting rod 17 is in sliding connection with the movable plates 16, one sides of the two movable plates 16 are respectively connected with the bottom of the piston block 14 through connecting rods 11, the two movable plates 16 are symmetrically arranged on the two sides of the shell 15 with respect to the central shaft of the piston block 14, the two ends of the two connecting rods 11 are respectively hinged with the bottom of the piston block 14 and one side of the two movable plates 16, the opposite surfaces of the two clamping plates 8 are respectively provided with sealing rings 19, the interiors of the two sealing rings 19 are respectively communicated with the interior of the shell 15 through hoses 20, one side of the sealing rings 19 is provided with holes, the outside of the piston block 14 is in sliding connection with the inner wall of the shell 15, the bottom of the piston block 14 penetrates through the bottom of the shell 15, the piston block 14 is arranged in an I-shaped mode, as shown in fig. 1, 4, 5 and 6, the hydraulic cylinder 13 is started, the hydraulic cylinder 13 drives the piston block 14 to move, the two connecting rods 11 rotate and drive the two movable plates 16 to rotate relatively, meanwhile, a workpiece is clamped through the two clamping plates 8, then the connecting rods 17 are pressed to move, the clamping force can be buffered by the aid of the elastic action of the return springs 18, and therefore the workpiece can be prevented from being clamped and injured due to overlarge clamping force, meanwhile, when the piston block 14 moves in the shell 15, negative pressure is generated in the shell 15, suction force is generated by the sealing rings 19 through the hoses 20 and the workpiece is adsorbed on the workpiece, and the workpiece is prevented from slipping.
Working principle: when the mechanical arm capable of automatically adjusting the clamping range is used, as shown in the combination of fig. 1-6, the movable rod 6 sleeved on the threaded rod 5 is driven by the second motor to move, meanwhile, the second mechanical arm 7 moves, so that the clamping range of the mechanical arm can be automatically adjusted, then the driven gear 9 is driven by the driving gear 10 to rotate, the rotating column 2 is enabled to rotate, the change of the direction of the mechanical arm is realized, then the workpiece is clamped by the two clamping plates 8, the connecting rod 17 is pressed to move, the clamping force can be buffered by the elastic action of the reset spring 18, the workpiece can be prevented from being clamped and injured due to overlarge clamping force, and the workpiece is adsorbed on the workpiece by the sealing ring 19, so that the workpiece is prevented from slipping.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a but automatic adjustment presss from both sides and gets scope robotic arm, includes base (1), the top of base (1) inner wall runs through the bearing and is connected with rotation post (2), just the left side of base (1) upper surface is installed first motor, the top fixedly connected with first arm (4) of rotation post (2), just the second motor is installed in the left side of first arm (4);
characterized by further comprising:
the left penetrating bearing at the top of the inner wall of the base (1) is connected with a transmission rod (3), the top of the transmission rod (3) is fixedly connected with the output end of the first motor, and the left penetrating bearing inside the first mechanical arm (4) is connected with a threaded rod (5);
the left end of the threaded rod (5) is fixedly connected with the output end of the second motor, a threaded connection movable rod (6) is sleeved on the outer side of the right end of the threaded rod (5), the right end of the first mechanical arm (4) is connected with a second mechanical arm (7), and a fixing frame (12) is connected below the second mechanical arm (7);
the bottom of the fixing frame (12) is fixedly penetrated by a shell (15), a hydraulic cylinder (13) is arranged at the top of the shell (15), a piston block (14) is connected inside the shell (15), and the top of the piston block (14) is fixedly connected with the output end of the hydraulic cylinder (13);
the lower part of both sides all is connected with fly leaf (16) through the axle rotation about casing (15), and two the inside of fly leaf (16) is all through-connection has linking pole (17), the one end fixedly connected with grip block (8) of linking pole (17), two one side of fly leaf (16) is connected through connecting rod (11) with the bottom of piston block (14).
2. The automatically adjustable gripping range manipulator of claim 1, wherein: the outer side of the movable rod (6) is in sliding clamping connection with the inner wall of the first mechanical arm (4), and the right end of the movable rod (6) is fixedly connected with the left side of the second mechanical arm (7).
3. The automatically adjustable gripping range manipulator of claim 1, wherein: the two opposite faces of the clamping plates (8) are respectively provided with a sealing ring (19), the interiors of the two sealing rings (19) are respectively communicated with the interiors of the shells (15) through hoses (20), and holes are formed in one side of each sealing ring (19).
4. The automatically adjustable gripping range manipulator of claim 1, wherein: the outer side of the piston block (14) is in sliding connection with the inner wall of the shell (15), the bottom of the piston block (14) penetrates through the bottom of the shell (15), and the piston block (14) is arranged in an I-shaped mode.
5. The automatically adjustable gripping range manipulator of claim 1, wherein: the two movable plates (16) are symmetrically arranged on two sides of the shell (15) about the central axis of the piston block (14), and two ends of the two connecting rods (11) are respectively hinged with the bottom of the piston block (14) and one side of the two movable plates (16).
6. The automatically adjustable gripping range manipulator of claim 1, wherein: the outside winding of linking pole (17) is connected with reset spring (18), just be sliding connection between linking pole (17) and fly leaf (16).
7. The automatically adjustable gripping range manipulator of claim 1, wherein: the driving gear (10) is sleeved and arranged on the outer side of the transmission rod (3), the driven gear (9) is fixedly connected with the outer side of the rotating column (2), and the driving gear (10) is meshed and connected with the driven gear (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847523.0U CN220593205U (en) | 2023-07-14 | 2023-07-14 | Mechanical arm capable of automatically adjusting clamping range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847523.0U CN220593205U (en) | 2023-07-14 | 2023-07-14 | Mechanical arm capable of automatically adjusting clamping range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220593205U true CN220593205U (en) | 2024-03-15 |
Family
ID=90181759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321847523.0U Active CN220593205U (en) | 2023-07-14 | 2023-07-14 | Mechanical arm capable of automatically adjusting clamping range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220593205U (en) |
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2023
- 2023-07-14 CN CN202321847523.0U patent/CN220593205U/en active Active
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