Grabbing structure with internal rotation

Abstract

The utility model discloses a grabbing structure with internal rotation, which comprises a shell and a cushion block located at the bottom end of the shell, the bottom end of the cushion block is provided with a first clamping jaw and a second clamping jaw which are symmetrically arranged, the first clamping jaw and the second clamping jaw are connected with the shell through a connecting assembly, and the top end of the shell is provided with a vertically arranged connecting column. The device has the beneficial effects that by adopting meshing transmission of the driven gear and the transmission gear, 360-degree rotation of the frame body is achieved, the manual placing process of parts is omitted, operators are prevented from making direct contact with workpieces, the production time is shortened, the productivity is improved, and more efficient work is facilitated; and through the matched design of the connecting assembly, the first clamping jaw and the second clamping jaw, repeated grabbing work of the first clamping jaw and the second clamping jaw is achieved, workers can be reduced, the efficiency can be improved, the cost can be reduced, the product quality can be improved, and safety is good.

Description

Technical Field

[0001] The utility model relates to the technical field of grabbing mechanisms, in particular to a grabbing structure with internal rotation. Background Art

[0002] In today's life, with the rapid development of science and technology, the biggest difference between robot arms and human arms is flexibility and endurance. That is, the biggest advantage of the robot arm is that it can repeat the same action and never feel tired under normal circumstances! The application of the robot arm will become more and more extensive. The robot arm is a high-tech automatic production equipment developed in recent decades, with the accuracy of operation and the ability to complete the operation in the environment.

[0003] When assembling products, it is necessary to grab the products manually and then place them. It is easy to make errors, resulting in low work efficiency, which will seriously lead to production failures and waste a lot of time in product placement and assembly.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related art, the utility model proposes a grabbing structure with internal rotation to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A gripping structure with internal rotation comprises a shell and a cushion block located at the bottom end of the shell, the bottom end of the cushion block is provided with a symmetrically arranged clamping jaw 1 and a symmetrically arranged clamping jaw 2, the clamping jaw 1 and the clamping jaw 2 are connected to the shell through a connecting assembly, and the top end of the shell is provided with a vertically arranged connecting column.

[0008] Furthermore, the connecting assembly includes a frame body located inside the shell, a laterally arranged shaft sleeve inside the frame body, a symmetrically arranged disc sleeved on the shaft sleeve, an inclined movable rod provided on one side of the disc, a rotating shaft connected to the shell provided at the bottom end of the movable rod, and a connecting piece extending outside the shell and correspondingly connected to the first clamp and the second clamp is vertically provided on one side of the two groups of discs close to each other.

[0009] Furthermore, a dual-shaft motor is provided in the housing and above the shaft sleeve, a bevel gear 1 is provided on both output ends of the dual-shaft motor, and a bevel gear 2 sleeved on the rotating shaft is provided on one side of the bevel gear 1.

[0010] Further, the first bevel gear meshes with the second bevel gear, and a through hole is provided on one side of the movable rod. A limiting rod connected to the outer wall of the disc is provided in the through hole.

[0011] Further, a limiting chute for the movement of the limiting rod is provided around the outer wall of the disc, and the limiting rod has a T-shaped structure.

[0012] Further, a fixed shaft connected to the housing is provided at the top of the frame body, and a driven gear is sleeved on the fixed shaft.

[0013] Further, a transmission gear meshing with the driven gear is provided on one side of the driven gear, and the axis of the transmission gear is connected to the output end of a first servo motor located in the housing.

[0014] Further, a shaft rod extending into the shaft sleeve is provided horizontally in the frame body, and symmetrically arranged ridges are provided on the outer wall of the shaft rod.

[0015] Further, a shaft hole matching the shaft rod is provided in the shaft sleeve, and grooves matching the ridges are provided on both sides in the shaft hole.

[0016] Further, a heat dissipation hole is provided on one side of the housing, and a dust-proof net is provided at the heat dissipation hole.

[0017] The beneficial effects of the present utility model are as follows: By adopting the meshing transmission of the driven gear and the transmission gear, the 360° rotation of the frame body is realized, the manual placement process of parts is removed, direct contact between the operator and the workpiece is avoided, the production time is shortened, the production capacity is improved, and it is convenient to work more efficiently; the cooperative design of the connection component with the first jaw and the second jaw realizes the repeated grasping work of the first jaw and the second jaw, which can save workers, improve efficiency, reduce costs, improve product quality, and has good safety. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required in the embodiments. Obviously, the following described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 is a schematic structural diagram of a grasping structure with internal rotation according to an embodiment of the present utility model;

[0020] Figure 2 is a schematic structural diagram of a connection component in a grasping structure with internal rotation according to an embodiment of the present utility model;

[0021] Figure 3 It is a side view of the shaft sleeve of a grasping structure with internal rotation according to an embodiment of the present utility model.

[0022] In the figure:

[0023] 1. Housing; 2. Spacer block; 3. First jaw; 4. Second jaw; 5. Connecting column; 6. Shaft sleeve; 7. Disc; 8. Movable rod; 9. Rotating shaft; 10. Connecting piece; 11. Biaxial motor; 12. First bevel gear; 13. Second bevel gear; 14. Through hole; 15. Limiting rod; 16. Limiting chute; 17. Frame body; 18. Fixed shaft; 19. Driven gear; 20. Driving gear; 21. Shaft rod; 22. Rib; 23. Groove; 24. Heat dissipation hole. Specific embodiments

[0024] To further illustrate each embodiment, the present utility model provides drawings, which are part of the disclosure of the present utility model. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0025] According to an embodiment of the present utility model, a grasping structure with internal rotation is provided.

[0026] Embodiment 1;

[0027] As Figures 1-3 shown, the grasping structure with internal rotation according to an embodiment of the present utility model includes a housing 1 and a spacer block 2 located at the bottom end of the housing 1. Symmetrically arranged first jaws 3 and second jaws 4 are provided at the bottom end of the spacer block 2. The first jaws 3 and the second jaws 4 are connected to the housing 1 through a connecting component. A vertically arranged connecting column 5 is provided at the top end of the housing 1.

[0028] Embodiment 2;

[0029] As Figures 1-3As shown in the figure, the connecting component includes a frame body 17 located in the housing 1, a horizontally arranged bushing 6 in the frame body 17, symmetrically arranged discs 7 sleeved on the bushing 6, an inclined movable rod 8 provided on one side of the disc 7, a rotating shaft 9 connected to the housing 1 provided at the bottom end of the movable rod 8, connecting members 10 vertically provided on the sides of the two discs 7 close to each other and extending outside the housing 1 and correspondingly connected to the first jaw 3 and the second jaw 4, a dual-shaft motor 11 provided in the housing 1 and above the bushing 6, a first bevel gear 12 provided at the output ends of both ends of the dual-shaft motor 11, and a second bevel gear 13 sleeved on the rotating shaft 9 provided on one side of the first bevel gear 12.

[0030] Embodiment Three;

[0031] As Figures 1-3 shown in the figure, the first bevel gear 12 meshes with the second bevel gear 13, and a through hole 14 is provided on one side of the movable rod 8. A limiting rod 15 connected to the outer wall of the disc 7 is provided in the through hole 14. A limiting chute 16 for the movement of the limiting rod 15 is circumferentially provided on the outer wall of the disc 7. The limiting rod 15 is of a T-shaped structure. A fixed shaft 18 connected to the housing 1 is provided at the top end of the frame body 17, and a driven gear 19 is sleeved on the fixed shaft 18.

[0032] Embodiment Four;

[0033] As Figures 1-3 shown in the figure, a transmission gear 20 meshing with the driven gear 19 is provided on one side of the driven gear 19. The axis of the transmission gear 20 is connected to the output end of a first servo motor located in the housing 1. A shaft rod 21 extending into the bushing 6 is horizontally provided in the frame body 17. Symmetrically arranged protrusions 22 are provided on the outer wall of the shaft rod 21. A shaft hole matching the shaft rod 21 is provided in the bushing 6, and grooves 23 matching the protrusions 22 are provided on both sides in the shaft hole. A heat dissipation hole 24 is provided on one side of the housing 1, and a dust-proof net is provided at the heat dissipation hole 24.

[0034] To facilitate the understanding of the above technical solution of the present invention, the working principle or operation mode of the present invention in the actual process will be described in detail below.

[0035] In practical applications, the operation of the dual-axis motor 11 drives the rotation of the rotating shaft 9 through the meshing transmission of the first bevel gear 12 and the second bevel gear 13. The rotating shaft 9 drives the movable rod 8 to rotate, causing the movable rod 8 to push the limiting rod 15 to move through the through hole 14, thereby driving the two groups of discs 7 to move closer or farther apart. The discs 7 drive the first jaw 3 and the second jaw 4 to perform the grasping operation through the connecting member 10. The operation of the first servo motor drives the rotation of the fixed shaft 18 through the meshing transmission of the driving gear 20 and the driven gear 19, thereby driving the first jaw 3 and the second jaw 4 to rotate. The second servo motor drives the shaft rod 21 to rotate, and the shaft rod 21 drives the sleeve 6 to rotate through the cooperation of the convex strip 22 and the groove 23, enabling the first jaw 3 and the second jaw 4 to tilt, which can save labor, improve efficiency, reduce costs, improve product quality, and have good safety performance.

[0036] In summary, by means of the above technical solution of the present invention, through the meshing transmission of the driven gear 19 and the driving gear 20, the frame is rotated 360°, the process of manually placing parts is eliminated, direct contact between the operator and the workpiece is avoided, the production time is shortened, the production capacity is increased, and it is convenient to work more efficiently. The cooperative design of the connecting component and the first jaw 3 and the second jaw 4 realizes the repeated grasping operation of the first jaw 3 and the second jaw 4, which can save labor, improve efficiency, reduce costs, improve product quality, and have good safety performance.

[0037] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A grasping structure with internal rotation, characterized in that, It includes a housing (1) and a cushion block (2) located at the bottom end of the housing (1). Symmetrically arranged clamping jaws one (3) and clamping jaws two (4) are provided at the bottom end of the cushion block (2). The clamping jaws one (3) and the clamping jaws two (4) are connected to the housing (1) through a connecting component. A vertically arranged connecting column (5) is provided at the top end of the housing (1). The connecting component includes a frame body (17) located inside the housing (1), a horizontally arranged sleeve (6) inside the frame body (17). Symmetrically arranged discs (7) are sleeved on the sleeve (6). An inclined movable rod (8) is provided on one side of the disc (7). A rotating shaft (9) connected to the housing (1) is provided at the bottom end of the movable rod (8). On both sides of the two discs (7) close to each other, connecting pieces (10) extending outside the housing (1) and correspondingly connected to the clamping jaws one (3) and the clamping jaws two (4) are vertically provided. A dual-axis motor (11) is provided inside the housing (1) and above the sleeve (6). Conical gears one (12) are provided at both output ends of the dual-axis motor (11). A conical gear two (13) sleeved on the rotating shaft (9) is provided on one side of the conical gear one (12).

2. The grasping structure with internal rotation according to claim 1, characterized in that, The conical gear one (12) meshes with the conical gear two (13). A through hole (14) is provided on one side of the movable rod (8). A limiting rod (15) connected to the outer wall of the disc (7) is provided inside the through hole (14).

3. The grasping structure with internal rotation according to claim 2, characterized in that, A limiting chute (16) for the limiting rod (15) to move is circumferentially provided on the outer wall of the disc (7). The limiting rod (15) is of a T-shaped structure.

4. The grasping structure with internal rotation according to claim 3, characterized in that, A fixed shaft (18) connected to the housing (1) is provided at the top end of the frame body (17). A driven gear (19) is sleeved on the fixed shaft (18).

5. The grasping structure with internal rotation according to claim 4, characterized in that, A transmission gear (20) meshing with the driven gear (19) is provided on one side of the driven gear (19). The axis of the transmission gear (20) is connected to the output end of a servo motor one located inside the housing (1).

6. The grasping structure with internal rotation according to claim 5, characterized in that A shaft rod (21) extending into the sleeve (6) is horizontally provided inside the frame body (17). Symmetrically arranged convex strips (22) are provided on the outer wall of the shaft rod (21).

7. The grasping structure with internal rotation according to claim 6, wherein, A shaft hole matching the shaft rod (21) is provided inside the sleeve (6). Grooves (23) matching the convex strips (22) are provided on both sides inside the shaft hole.

8. A grasping structure with internal rotation according to claim 1, characterized in that, A heat dissipation hole (24) is provided on one side of the housing (1). A dust-proof net is provided at the heat dissipation hole (24).

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