Clamping mechanical arm

Abstract

The utility model relates to the technical field of mechanical arms, and discloses a clamping mechanical arm which comprises a clamping arm bin and a positive and negative tooth screw arranged in a cavity of the clamping arm bin and further comprises a clamping disc arranged on one side of the clamping arm bin. The clamping open groove is formed in the outer portion of the clamping disc, and a displacement sliding block is connected into the groove of the clamping disc in a sliding mode. The movable top block is fixedly arranged at the top of the displacement sliding block; the adjusting connecting rod is mounted at the top of the movable ejector block through a rotating shaft. The clamping action is completed through the clamping disc and the clamping flitch plate, the clamping angle between the clamping flitch plate and the clamping open groove can be adjusted through the rotation capacity of the adjusting connecting rod and the movable ejector block, so that the clamping point can be adjusted, the position of the clamping flitch plate on the periphery of the clamping disc can be changed through sliding of the displacement sliding block in the clamping open groove, and the clamping flitch plate can be conveniently clamped. And due to the two adjustable designs, the whole clamping arm is higher in adjustable capacity, and the clamping arm has higher adaptability to different pieces to be clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms, in particular to a clamping mechanical arm. Background Art

[0002] The robot arm refers to a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity, and strong coupling. Due to its unique operational flexibility, it has been widely used in industrial assembly, safety and explosion-proof fields. The clamping robot arm is mainly used to clamp equipment and can transfer the clamped equipment.

[0003] The clamping parts of common clamping robots are generally fixed. As different devices are clamped, the clamping points may need to be adjusted, resulting in the inability of ordinary clamping robots to better adapt to different clamping points and a limited scope of application. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a clamping mechanical arm to solve the problems mentioned in the above background.

[0005] The utility model provides the following technical solutions:

[0006] It includes: a clamping arm bin and a positive and negative thread screw arranged in the clamping arm bin cavity.

[0007] Also includes:

[0008] The clamping plate is arranged on one side of the clamping arm bin;

[0009] The clamping slot is arranged on the outside of the clamping plate, and a displacement slider is slidably connected in the slot of the clamping plate;

[0010] The movable top block is fixed on the top of the displacement sliding block;

[0011] The adjusting connecting rod is installed on the top of the movable top block through a rotating shaft, and a clamping plate is fixedly arranged at one end of the adjusting connecting rod;

[0012] The limiting fixing rod is inserted into the movable top block and the clamping plate in a transverse direction.

[0013] Furthermore, a driving motor is fixedly provided at one end of the clamping arm bin through a bracket, and an output end of the driving motor passes through the clamping arm bin and is connected to one end of a forward and reverse thread screw.

[0014] Furthermore, the outer engaging sleeve of the forward and reverse threaded screw is provided with a clamping cross bar, and the clamping cross bar moves radially along the groove of the clamping arm bin.

[0015] Furthermore, a ring array on the surface of the clamping disk is provided with limit holes, and a hole adapted to the limit holes is provided on the side wall of the displacement slider, and the limit screw is spirally inserted into the limit hole and the hole of the displacement slider.

[0016] Furthermore, the clamping slot is L-shaped, and the displacement slider is adapted to the slot shape of the clamping slot.

[0017] Furthermore, a U-shaped groove is provided on the top of the movable top block, and one end of the adjusting connecting rod extends into the U-shaped groove and is connected through a rotating shaft.

[0018] Furthermore, the side walls of the clamping plate and the movable top block are provided with multi-sided holes that allow the limiting fixing rod to extend therein.

[0019] Furthermore, a gasket slot is provided on the surface of the clamping plate, a wear-resistant pad is inserted into the slot of the gasket slot, and the wear-resistant pad is connected to the clamping plate by bolts.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] The present application utilizes a clamping disk and a clamping plate to complete the clamping action, and the clamping plate can adjust the clamping angle with the clamping slot by adjusting the rotation ability of the connecting rod and the movable top block, so that the clamping point can be adjusted, and the clamping plate can be slid in the groove of the clamping slot by a displacement slider to change the outer position of the clamping plate on the clamping disk. The two adjustable designs make the entire clamping arm more adjustable and have stronger applicability to different parts to be clamped. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is an enlarged view of the clamping plate of the utility model;

[0024] Figure 3 It is a partial cross-sectional view of the clamping plate of the utility model;

[0025] Figure 4 This is an assembly diagram of the wear-resistant pad and the limit fixing rod of the utility model.

[0026] In the figure: 1. Clamping arm bin; 2. Positive and negative thread screws; 3. Driving motor; 4. Clamping cross bar; 5. Clamping plate; 6. Clamping slot; 7. Limiting socket; 8. Displacement slider; 9. Limiting screw; 10. Moving top block; 11. Adjusting connecting rod; 12. Clamping plate; 13. Limiting fixing rod; 14. Wear-resistant pad; 15. Gasket slot. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4 , including: a clamping arm bin 1 and a forward and reverse threaded screw 2 arranged in the cavity of the clamping arm bin 1, the forward and reverse threaded screw 2 is horizontally arranged inside the clamping arm bin 1, a driving motor 3 is fixedly arranged on one side of the clamping arm bin 1 through a bracket, the output end of the driving motor 3 passes through the clamping arm bin 1 and extends into the cavity of the clamping arm bin 1, and the output end of the driving motor 3 is connected to the forward and reverse threaded screw 2, and two groups of clamping cross bars 4 with spaced intervals are meshedly sleeved outside the forward and reverse threaded screw 2, and as the forward and reverse threaded screw 2 rotates, the two groups of clamping cross bars 4 can move radially along the cavity of the clamping arm bin 1,

[0029] The clamping disc 5 is arranged on one side of the clamping arm bin 1, and the surface of the clamping disc 5 is fixed to the front end of the clamping cross bar 4, so the two groups of clamping discs 5 can move synchronously with the clamping cross bar 4, and the two groups of clamping discs 5 can realize synchronous reverse movement, and the clamping member can be clamped by the clamping disc 5. The clamping slot 6 is arranged on the outside of the clamping disc 5, and the displacement slider 8 is slidably connected in the slot of the clamping disc 5. The moving top block 10 is fixed on the top of the displacement slider 8, and a U-shaped groove is arranged on the top of the moving top block 10, and a rotatable shaft is arranged in the U-shaped groove, and an adjusting connecting rod 11 is fixed outside the rotating shaft, so that the adjusting connecting rod 11 can rotate freely in the U-shaped groove, and at the same time, a clamping plate 1 is fixed on the front end of the adjusting connecting rod 11 2. The clamping member can also be clamped by the clamping plate 12, and as the angle of the adjusting link 11 is adjusted, the angle of the clamping plate 12 can be changed, thereby changing the clamping angle of the clamping plate 12 and the clamping disk 5. Then, the angle of the clamping plate 12 needs to be fixed. Multi-sided holes are horizontally opened inside the movable top block 10 and the clamping plate 12, and the limiting fixing rods 13 are respectively inserted into the two groups of multi-sided holes. The limiting fixing rods 13 are adapted to the multi-sided holes, and threaded portions are arranged at both ends of the limiting fixing rods 13. After the limiting fixing rods 13 are combined with the two groups of multi-sided holes, the limiting fixing rods 13 are reinforced with nuts to lock the clamping angles of the clamping plate 12 and the clamping disk 5.

[0030] The surface of the clamping plate 5 is provided with a ring array of limit holes 7, and the side wall of the displacement slider 8 is provided with holes adapted to the limit holes 7. The limit screw 9 is spirally inserted into the limit holes 7 and the holes of the displacement slider 8. The clamping slot 6 is L-shaped, and the displacement slider 8 is adapted to the slot type of the clamping slot 6. The displacement slider 8 can be slid along the slot of the clamping slot 6, thereby changing the position of the clamping plate 12 on the periphery of the clamping disk 5, and then the clamping point can be changed. After the position adjustment of the displacement slider 8 is completed, the socket on the surface of the displacement slider 8 is aligned with the limit socket 7, and then the front end of the limit screw 9 is passed through the limit socket 7 and extended into the socket, thereby completing the fixation of the position of the clamping plate 12. A gasket slot 15 is provided on the surface of the clamping plate 12, and a wear-resistant pad 14 is inserted in the slot of the gasket slot 15. The wear-resistant pad 14 is connected to the clamping plate 12 by bolts, and the wear-resistant pad 14 is reinforced in the slot of the gasket slot 15 by bolts.

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping robot arm, comprising: The clamping arm bin (1) and the forward and reverse threaded screw (2) arranged in the cavity of the clamping arm bin (1) are It is characterized by further comprising: A clamping plate (5) is arranged on one side of the clamping arm bin (1); A clamping slot (6) is provided on the outside of the clamping plate (5), and a displacement slider (8) is slidably connected in the slot of the clamping plate (5); A movable top block (10) is fixedly mounted on the top of the displacement slider (8); An adjusting connecting rod (11) is installed on the top of the movable top block (10) via a rotating shaft, and a clamping plate (12) is fixedly provided at one end of the adjusting connecting rod (11); The limiting fixing rod (13) is inserted transversely into the interior of the movable top block (10) and the clamping plate (12).

2. A clamping robot arm according to claim 1, characterized in that: A driving motor (3) is fixedly mounted on one end of the clamping arm bin (1) via a bracket, and an output end of the driving motor (3) passes through the clamping arm bin (1) and is connected to one end of a forward and reverse threaded screw (2).

3. A clamping robot arm according to claim 1, characterized in that: The outer engaging sleeve of the positive and negative threaded screw (2) is provided with a clamping crossbar (4), and the clamping crossbar (4) moves radially along the groove of the clamping arm bin (1).

4. A clamping robot arm according to claim 1, characterized in that: The surface of the clamping disk (5) is provided with a ring array of limit plug holes (7), the side wall of the displacement slider (8) is provided with plug holes adapted to the limit plug holes (7), and the limit screw rod (9) is spirally inserted into the limit plug holes (7) and the plug holes of the displacement slider (8).

5. A clamping robot arm according to claim 1, characterized in that: The clamping slot (6) is L-shaped, and the displacement slider (8) is adapted to the slot shape of the clamping slot (6).

6. A clamping robot arm according to claim 1, characterized in that: A U-shaped groove is provided on the top of the movable top block (10), and one end of the adjusting connecting rod (11) extends into the U-shaped groove and is connected via a rotating shaft.

7. A clamping robot arm according to claim 1, characterized in that: The side walls of the clamping plate (12) and the movable top block (10) are provided with multi-sided holes into which the limiting fixing rod (13) is allowed to extend.

8. The clamping robot arm according to claim 1, characterized in that: A gasket slot (15) is provided on the surface of the clamping plate (12), a wear-resistant pad (14) is inserted into the slot of the gasket slot (15), and the wear-resistant pad (14) is connected to the clamping plate (12) by bolts.

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