CN219563122U

CN219563122U - Locking arm that snatchs that takes off

Info

Publication number: CN219563122U
Application number: CN202320632259.2U
Authority: CN
Inventors: 卫泓泰
Original assignee: Beijing Qiluo Technology Co ltd
Current assignee: Beijing Qiluo Technology Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-22
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses an anti-loosening grabbing mechanical arm, and relates to the field of mechanical arms. The utility model comprises a bearing shell, wherein a positioning motor is fixedly arranged on the outer wall of the bearing shell, the output end of the positioning motor is fixedly connected with a screw rod, two sliding drums are sleeved on the screw rod, the screw rod can drive the two sliding drums to move oppositely, a rotating assembly is arranged in the sliding drums, the rotating assembly comprises a driven shaft and a driving motor, a clamping assembly is arranged on the driven shaft, the clamping assembly comprises clamping claws, the rotating assembly can drive the two clamping claws to rotate, one end of the positioning motor is fixedly connected with a telescopic piece, the other end of the telescopic piece is fixedly provided with a guide block, and one end of the guide block is provided with a moving assembly; the driving motor enables the clamping claws to clamp the parts simultaneously, the clamping claws can clamp the parts with different widths, the firmness of clamping the parts can be improved while the practicability is improved, and the situation that the clamping claws are loosened is further prevented.

Description

Locking arm that snatchs that takes off

Technical Field

The utility model belongs to the field of mechanical arms, and particularly relates to an anti-loosening grabbing mechanical arm.

Background

The mechanical arm is an automatic mechanical device which is most widely applied in the technical field of robots, and is divided into a multi-joint mechanical arm, a rectangular coordinate system mechanical arm, a spherical coordinate system mechanical arm, a polar coordinate mechanical arm, a cylindrical coordinate mechanical arm and the like according to different structural forms. The most common six-degree-of-freedom mechanical arm can realize X movement, Y movement, Z movement, X rotation, Y rotation and Z rotation so as to meet the functions of stretching, rotating and lifting of the mechanical arm;

when the existing mechanical arm clamps and carries the parts, the gravity center of the clamping of the parts is not adjusted according to the sizes of the parts, so that the parts are easy to fall off due to the deviation of the gravity center after being carried, the time is wasted when the parts are carried again, and the working efficiency is reduced.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides an anti-loosening grabbing mechanical arm, which aims to overcome the technical problems in the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an anti-loosening grabbing mechanical arm which comprises a bearing shell, wherein a positioning motor is fixedly arranged on the outer wall of the bearing shell, the output end of the positioning motor is fixedly connected with a screw, two sliding drums are sleeved on the screw, the screw can drive the two sliding drums to move oppositely, a rotating assembly is arranged in the sliding drums and comprises a driven shaft and a driving motor, a clamping assembly is arranged on the driven shaft and comprises clamping claws, the rotating assembly can drive the two clamping claws to rotate, one end of the positioning motor is fixedly connected with a telescopic piece, the other end of the telescopic piece is fixedly provided with a guide block, and one end of the guide block is provided with a moving assembly.

Preferably, the rotating assembly further comprises a rotating shaft, two ends of the rotating shaft are rotatably connected with the inner wall of the sliding cylinder, the driven shaft is rotatably connected with the sliding cylinder, the driving motor is fixedly installed on the outer wall of the sliding cylinder, and the output end of the driving motor is fixedly connected with the rotating shaft.

Preferably, the rotating assembly further comprises a driving gear and a driven gear, the driving gear is sleeved on the rotating shaft, the driven gear is sleeved on the driven shaft, and the driving gear is meshed with the driven gear.

Preferably, the clamping assembly further comprises a loop bar and a connecting piece, the loop bar is sleeved on the driven shaft, the connecting piece is fixedly installed at one end of the loop bar, and the clamping claw is fixedly installed at the bottom of the connecting piece.

Preferably, the moving assembly comprises a sliding groove and a supporting leg, the sliding groove is in sliding fit with the guide block, and the sliding groove is arranged at one end of the supporting leg.

Preferably, the top of landing leg is fixed mounting has the cylinder, the output of cylinder with the top fixed connection of guide block.

Preferably, the bottom of the leg is provided with a support assembly.

Preferably, the support assembly comprises a turntable and a base, the support legs are rotatably connected with the turntable, and the turntable is fixedly connected with the base.

The utility model has the following beneficial effects:

before the part is clamped, a worker starts the positioning motor firstly, and the output end of the positioning motor rotates to drive the clamping claws to adjust positions simultaneously, so that the distance between the clamping claws can be adjusted according to the length of the part, the center of gravity of the part for clamping is adjusted, the tightness can be improved when the part with various lengths is clamped, the situation that the clamping claws are loosened when the part is clamped is prevented, and the practicability and the working efficiency are improved;

when clamping the part, the driving motor enables the clamping claws to clamp the part simultaneously, the clamping claws can clamp the part with different widths, the firmness of clamping the part can be improved when the practicability is improved, and the situation that the clamping claws loose is further prevented.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings that are needed for the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

In the drawings, the list of components represented by the various numbers is as follows:

1. a carrying case; 2. a position-adjusting motor; 3. a screw; 4. a slide cylinder; 51. a driven shaft; 52. a rotating shaft; 53. a driving motor; 54. a drive gear; 55. a driven gear; 6. a clamping assembly; 61. clamping claws; 62. a loop bar; 63. a connecting piece; 7. a telescoping member; 8. a guide block; 9. a moving assembly; 91. a chute; 92. a support leg; 93. a cylinder; 10. a support assembly; 101. a turntable; 102. and (5) a base.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments of the utility model, which would be apparent to one of ordinary skill in the art without inventive effort are within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "top," "middle," "inner," and the like indicate an orientation or positional relationship, merely for convenience of description and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Referring to fig. 1-4, the utility model discloses an anti-loosening grabbing mechanical arm, which comprises a bearing shell 1, wherein a positioning motor 2 is fixedly arranged on the outer wall of the bearing shell 1, the output end of the positioning motor 2 is fixedly connected with a screw rod 3, two sliding drums 4 are sleeved on the screw rod 3, the screw rod 3 can drive the two sliding drums 4 to oppositely move, a rotating assembly is arranged in the sliding drums 4 and comprises a driven shaft 51 and a driving motor 53, a clamping assembly 6 is arranged on the driven shaft 51, the clamping assembly 6 comprises clamping claws 61, the rotating assembly can drive the two clamping claws 61 to rotate, one end of the positioning motor 2 is fixedly connected with a telescopic piece 7, the other end of the telescopic piece 7 is fixedly provided with a guide block 8, and one end of the guide block 8 is provided with a moving assembly 9.

Before the part is clamped, a worker starts the positioning motor 2 firstly, the output end of the positioning motor 2 rotates and then can drive the screw rod 3 to rotate, and as the threads at the two ends arranged on the screw rod 3 are symmetrically arranged, after the screw rod 3 rotates, the two sliding drums 4 can relatively reversely move in a limiting state of the bearing shell 1, and further, the two sliding drums 4 can drive the clamping claws 61 to simultaneously adjust positions through the rotating assembly, and then the distance between the clamping claws 61 can be adjusted according to the length of the part, so that the center of gravity of the part is adjusted, the tightness can be improved when the part with various lengths is clamped, the situation that the clamping claws 61 are loosened when the part is clamped is prevented, and the practicability and the working efficiency are improved;

when clamping the parts, the plurality of clamping claws 61 can clamp the parts at the same time, the plurality of clamping claws 61 can clamp the parts with different widths, the practicality is improved, the clamping firmness of the parts can be improved, and the occurrence of loosening of the clamping claws 61 is further prevented;

the gripper jaw 61 is internally provided with a small-sized gripping device including an electric push rod and a gripper, which is of prior art and is not explained here, which is capable of gripping small articles.

In one embodiment, the rotating assembly further comprises a rotating shaft 52, two ends of the rotating shaft 52 are rotatably connected with the inner wall of the sliding cylinder 4, the driven shaft 51 is rotatably connected with the sliding cylinder 4, the driving motor 53 is fixedly installed on the outer wall of the sliding cylinder 4, and the output end of the driving motor 53 is fixedly connected with the rotating shaft 52.

When the rotating shaft 52 rotates, the driven shaft 51 can be driven to rotate, at the moment, both the rotating shaft 52 and the driven shaft 51 can drive the clamping claws 61 to rotate, and after the clamping claws 61 rotate, the parts with different sizes can be clamped, so that the practicability is improved.

In one embodiment, the rotating assembly further comprises a driving gear 54 and a driven gear 55, the driving gear 54 is sleeved on the rotating shaft 52, the driven gear 55 is sleeved on the driven shaft 51, and the driving gear 54 is meshed with the driven gear 55.

When the parts are required to be clamped, all the driving motors 53 are started, the output ends of the driving motors 53 can drive the rotating shafts 52 to rotate after rotating, the driving gears 54 are driven to rotate after rotating the rotating shafts 52, then the driving gears 54 are meshed with the driven gears 55, the driving gears 54 can further drive the driven gears 55 to rotate reversely relatively, the rotating shafts 52 and the driven shafts 51 can rotate reversely relatively, at the moment, the driven shafts 51 and the rotating shafts 52 can drive the clamping claws 61 to rotate, so that the two groups of clamping claws 61 can clamp the parts, and the clamping claws 61 can clamp the parts with different widths.

In one embodiment, the clamping assembly 6 further comprises a sleeve rod 62 and a connecting piece 63, wherein the sleeve rod 62 is sleeved on the driven shaft 51, the connecting piece 63 is fixedly installed at one end of the sleeve rod 62, and the clamping claw 61 is fixedly installed at the bottom of the connecting piece 63.

The driven shaft 51 and the rotating shaft 52 can drive the loop bars 62 to rotate, so that the two loop bars 62 can drive the clamping claws 61 to clamp parts through the connecting piece 63.

In one embodiment, the moving assembly 9 comprises a chute 91 and a leg 92, the chute 91 being in sliding engagement with the guide block 8, the chute 91 being provided at one end of the leg 92.

When the height position of the clamping jaw 61 needs to be adjusted, the guide block 8 can be driven to move by moving the guide block 8 in the sliding groove 91, the telescopic piece 7 can be driven to adjust the vertical position by driving the multiple groups of clamping jaws 61, the position of the clamping jaw 61 can be adjusted according to different positions of parts, and the practicability is improved.

In one embodiment, the top of the leg 92 is fixedly provided with a cylinder 93, and the output end of the cylinder 93 is fixedly connected with the top of the guide block 8.

By arranging the air cylinder 93, the physical consumption of the worker can be reduced, and the working efficiency can be improved.

In one embodiment, the bottom of the leg 92 is provided with a support assembly 10.

The support assembly 10 is prior art and will not be explained herein.

In one embodiment, the support assembly 10 includes a turntable 101 and a base 102, the legs 92 are rotatably coupled to the turntable 101, and the turntable 101 is fixedly coupled to the base 102.

The turntable 101 can drive the supporting legs 92 to turn round, so that the placing positions of the clamping claws 61 can be adjusted, parts at different positions can be clamped, and the practicability is improved.

Working principle:

when clamping the parts, all the driving motors 53 are started, the output ends of the driving motors 53 rotate and then drive the rotating shafts 52 to rotate, the driving gears 54 are driven to rotate after the rotating shafts 52 rotate, then the driving gears 54 are meshed with the driven gears 55, the driving gears 54 can drive the driven gears 55 to rotate reversely relatively, the rotating shafts 52 and the driven shafts 51 can rotate reversely relatively, at the moment, the driven shafts 51 and the rotating shafts 52 can drive the sleeve rods 62 to rotate, so that the two sleeve rods 62 drive the clamping claws 61 to clamp the parts with different widths, the clamping claws 61 can clamp the parts with different widths, the firmness of clamping the parts can be improved while the practicability is improved, and the occurrence of loose conditions of the clamping claws 61 is further prevented.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above disclosed preferred embodiments of the utility model are merely intended to help illustrate the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model.

Claims

1. The utility model provides a locking arm that snatchs that takes off, includes and bears shell (1), its characterized in that: the outer wall of the bearing shell (1) is fixedly provided with a positioning motor (2), the output end of the positioning motor (2) is fixedly connected with a screw rod (3), two sliding drums (4) are sleeved on the screw rod (3), the screw rod (3) can drive the two sliding drums (4) to oppositely move, a rotating assembly is arranged in the sliding drums (4), the rotating assembly comprises a driven shaft (51) and a driving motor (53), be provided with clamping assembly (6) on driven shaft (51), clamping assembly (6) are including gripper jaw (61), rotate the subassembly and can order about two gripper jaw (61) rotate, the one end fixedly connected with extensible member (7) of positioning motor (2), the other end fixed mounting of extensible member (7) has guide block (8), the one end of guide block (8) is provided with movable assembly (9).

2. The anti-loosening grabbing mechanical arm according to claim 1, wherein: the rotating assembly further comprises a rotating shaft (52), two ends of the rotating shaft (52) are rotatably connected with the inner wall of the sliding cylinder (4), the driven shaft (51) is rotatably connected with the sliding cylinder (4), the driving motor (53) is fixedly installed on the outer wall of the sliding cylinder (4), and the output end of the driving motor (53) is fixedly connected with the rotating shaft (52).

3. The anti-loosening grabbing mechanical arm according to claim 2, wherein: the rotating assembly further comprises a driving gear (54) and a driven gear (55), the driving gear (54) is sleeved on the rotating shaft (52), the driven gear (55) is sleeved on the driven shaft (51), and the driving gear (54) is meshed with the driven gear (55).

4. A tamper-evident gripping arm as claimed in claim 3, wherein: the clamping assembly (6) further comprises a loop bar (62) and a connecting piece (63), the loop bar (62) is sleeved on the driven shaft (51), the connecting piece (63) is fixedly installed at one end of the loop bar (62), and the clamping claw (61) is fixedly installed at the bottom of the connecting piece (63).

5. The anti-loosening grabbing mechanical arm according to claim 1, wherein: the moving assembly (9) comprises a sliding groove (91) and a supporting leg (92), the sliding groove (91) is in sliding fit with the guide block (8), and the sliding groove (91) is arranged at one end of the supporting leg (92).

6. The anti-loosening grabbing mechanical arm according to claim 5, wherein: the top of landing leg (92) fixed mounting has cylinder (93), the output of cylinder (93) with the top fixed connection of guide block (8).

7. The anti-loosening grabbing mechanical arm according to claim 5, wherein: the bottom of the supporting leg (92) is provided with a supporting component (10).

8. The anti-loosening grabbing mechanical arm according to claim 7, wherein: the support assembly (10) comprises a turntable (101) and a base (102), the supporting legs (92) are rotatably connected with the turntable (101), and the turntable (101) is fixedly connected with the base (102).