Mechanical arm shell machining clamp with overturning function

Abstract

The utility model relates to the technical field of clamps, and discloses a mechanical arm shell machining clamp with an overturning function, which comprises a working table, a clamping mechanism is arranged at the top of the working table, a fixing mechanism is arranged at one end of the clamping mechanism, and the clamping mechanism comprises a supporting plate, a fixing frame and a positioning frame. An adjusting assembly is arranged at one end of the supporting plate, a stepping motor is installed at one end of the fixing frame, a rotating plate is installed at one end of the stepping motor, a first air cylinder is fixedly connected to one end of the rotating plate and one end of the positioning frame, a clamping plate is installed at one end of the first air cylinder, and the adjusting assembly comprises a first electric telescopic rod; according to the clamp for machining the mechanical arm shell, the mechanical arm shell is driven to turn over, then the bottom of the mechanical arm shell can be machined, accordingly, turn-over operation is completed, and the effect of facilitating double-face machining is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp for machining a mechanical arm shell with a flipping function. Background Art

[0002] A robotic arm is 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. A robotic arm is a complex system with uncertainties such as parameter perturbations, external interference, and unmodeled dynamics. The processing quality of the robotic arm shell, as an important protective structure to protect its internal control components and other parts, is particularly important.

[0003] According to the "A clamp for processing a robot arm shell" disclosed in Chinese patent publication No. CN215847783 U, the device includes a rectangular shell, and also includes a controller, a positioning mechanism and a fixing mechanism. The positioning mechanism includes a support table and a limit assembly. The support table is fixedly arranged on the top of the rectangular shell, and the limit assembly is fixedly arranged on the top of the support table. The fixing mechanism includes a driving assembly, a first telescopic assembly, a second telescopic assembly, two sliding assemblies and four pressing blocks. The two sliding assemblies are symmetrically arranged inside the rectangular shell, the driving assembly is arranged between the two sliding assemblies, the first telescopic assembly and the second telescopic assembly are symmetrically arranged on the top of the rectangular shell, and the four pressing blocks are respectively arranged on the first telescopic assembly and the second telescopic assembly. The driving assembly is electrically connected to the controller. The clamp for processing the robot arm shell has a fast clamping speed and high efficiency. At the same time, it can clamp robot arm shells of different rules, and is more practical.

[0004] However, the device cannot flip the clamping piece, which makes it difficult to process the bottom, making the device have certain limitations. Utility Model Content

[0005] In view of the deficiencies of the prior art, the purpose of the present invention is to provide a clamp for machining a robot arm shell with a flipping function, so as to solve the problem in the above-mentioned background technology that the clamping piece cannot be flipped, resulting in difficulty in machining the bottom.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A mechanical arm housing processing fixture with a flipping function comprises a workbench, a clamping mechanism is arranged on the top of the workbench, and a fixing mechanism is arranged at one end of the clamping mechanism;

[0008] The clamping mechanism includes a supporting plate, a fixing frame and a positioning frame, an adjusting assembly is provided at one end of the supporting plate, a stepping motor is installed at one end of the fixing frame, a rotating plate is installed at one end of the stepping motor, one end of the rotating plate and the positioning frame are fixedly connected to a first cylinder, and a clamping plate is installed at one end of the first cylinder.

[0009] Preferably, the adjustment assembly includes a first electric telescopic rod, one end of which is fixedly connected to a moving frame, and a second cylinder is installed on the top of the moving frame.

[0010] Preferably, the first electric telescopic rod is fixedly connected to the inner side of the workbench, the top of the second cylinder is fixedly connected to the bottom of the support plate, and moving wheels are installed at the bottom of the moving frame.

[0011] Preferably, the support plate is configured to be convex, and a limiting block is fixedly connected to the inner side of the workbench.

[0012] Preferably, the fixing mechanism includes a first fixing groove and a second fixing groove, the inner side of the first fixing groove is slidably connected with a fixing block, the inner side of the second fixing groove is fixedly connected with a second electric telescopic rod, the top of the second electric telescopic rod is fixedly connected with a fixing seat, a motor is installed on the inner side of the fixing seat, and a pressure plate is installed on the top of the motor.

[0013] Preferably, the first fixing groove is provided on the top of the workbench and the support plate, and the second fixing groove is provided on the top of the clamping plate.

[0014] Preferably, one end of the fixing block is fixedly connected to one end of the clamping plate, and the size of the pressing plate is adapted to the size of the fixing block.

[0015] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0016] The support plate is then driven up by the second cylinder to move the top of the support plate toward the support plate until the top of the support plate is in contact with the outer wall of the support plate, thereby fixing and clamping the support plate. After the top is processed, the support plate is driven down again by the second cylinder to make the support plate retracted into the moving frame, and then the moving frame is retracted by starting the first electric telescopic rod, so that the bottom of the mechanical arm shell is not blocked by objects, and then the clamping plate at the positioning frame is retracted, and then the rotating plate is driven to rotate by starting the stepping motor, thereby driving the clamping plate at the fixed frame to rotate, thereby driving the mechanical arm shell to turn over, and then the bottom of the mechanical arm shell can be processed, thereby completing the turning operation and achieving the effect of facilitating double-sided processing.

[0017] Second, when the utility model pushes the clamping plate toward the robot arm housing through the first cylinder, the fixed block at one end of the clamping plate can slide in the first fixed groove until it reaches the first fixed groove at the support plate, so that the top of the fixed block contacts the bottom of the robot arm housing. When pushing the clamping plate, according to the height of the robot arm housing, the second electric telescopic rod is started to drive the fixed seat to rise until the bottom of the pressure plate on the top of the fixed seat is on the same horizontal line as the top of the robot arm housing, and then the pressure plate is driven to rotate by the starting motor, so that the bottom of the pressure plate contacts the top of the robot arm housing, so that the top and bottom of the robot arm housing are clamped by the fixed block and the pressure plate, thereby completing the fixing operation and achieving the effect of improving stability during flipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0019] Figure 2 This is a three-dimensional diagram of the adjustment component of the utility model;

[0020] Figure 3 This is a cross-sectional view of the adjustment component of the utility model;

[0021] Figure 4 This is a cross-sectional view of the fixing mechanism of the utility model;

[0022] Figure 5 This is a cross-sectional view of the fixing frame of the utility model.

[0023] Among them: 1. workbench; 2. clamping mechanism; 3. fixing mechanism; 21. support plate; 22. fixing frame; 23. positioning frame; 24. adjustment component; 25. stepping motor; 26. rotating plate; 27. first cylinder; 28. clamping plate; 29. ​​first electric telescopic rod; 201. moving frame; 202. second cylinder; 31. first fixing slot; 32. second fixing slot; 33. second electric telescopic rod; 34. fixing seat; 35. motor; 36. pressing plate; 37. fixing block. DETAILED DESCRIPTION

[0024] 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.

[0025] The utility model provides the following technical solutions:

[0026] Embodiment 1

[0027] See also Figure 1-5 A mechanical arm shell processing fixture with a flipping function comprises a workbench 1, a clamping mechanism 2 is arranged on the top of the workbench 1, and a fixing mechanism 3 is arranged at one end of the clamping mechanism 2;

[0028] The clamping mechanism 2 includes a supporting plate 21, a fixing frame 22 and a positioning frame 23. An adjusting assembly 24 is provided at one end of the supporting plate 21. A stepping motor 25 is installed at one end of the fixing frame 22. A rotating plate 26 is installed at one end of the stepping motor 25. One end of the rotating plate 26 and the positioning frame 23 are fixedly connected to a first cylinder 27. A clamping plate 28 is installed at one end of the first cylinder 27.

[0029] The adjustment assembly 24 includes a first electric telescopic rod 29 , one end of which is fixedly connected to a moving frame 201 , and a second cylinder 202 is installed on the top of the moving frame 201 .

[0030] The first electric telescopic rod 29 is fixedly connected to the inner side of the workbench 1 , the top of the second cylinder 202 is fixedly connected to the bottom of the support plate 21 , and moving wheels are installed at the bottom of the moving frame 201 .

[0031] The support plate 21 is configured to be convex, and a limiting block is fixedly connected to the inner side of the workbench 1 .

[0032] Through the above technical solution, at this time, the first electric telescopic rod 29 is started to push the mobile frame 201 to move until one end of the mobile frame 201 contacts the limit block at the bottom of the workbench 1, and then the second cylinder 202 is started to drive the support plate 21 to rise, so that the top of the raised part of the support plate 21 is at the same horizontal line as the top of the workbench 1, and then the robot arm shell is placed on the support plate 21, and then the rotating plate 26 and the first cylinder 27 at one end of the positioning frame 23 are started to drive the clamping plate 28 to move toward the robot arm shell until the clamping plate 28 contacts the outer wall of the robot arm shell, thereby fixing and clamping the robot. After the top of the arm shell is processed, the second cylinder 202 drives the support plate 21 to descend again, so that the support plate 21 is retracted into the moving frame 201, and then the moving frame 201 is retracted by starting the first electric telescopic rod 29, so that there is no object blocking the bottom of the robot arm shell, and then the clamping plate 28 at the positioning frame 23 is retracted, and then the stepping motor 25 is started to drive the rotating plate 26 to rotate, thereby driving the clamping plate 28 at the fixed frame 22 to rotate, thereby driving the robot arm shell to flip over, and then the bottom of the robot arm shell can be processed, thereby completing the flipping operation and achieving the effect of facilitating double-sided processing.

[0033] Embodiment 2

[0034] See also Figure 1-5 On the basis of the first embodiment, it is further obtained that the fixing mechanism 3 includes a first fixing groove 31 and a second fixing groove 32, a fixing block 37 is slidably connected to the inner side of the first fixing groove 31, a second electric telescopic rod 33 is fixedly connected to the inner side of the second fixing groove 32, a fixing seat 34 is fixedly connected to the top of the second electric telescopic rod 33, a motor 35 is installed on the inner side of the fixing seat 34, and a pressing plate 36 is installed on the top of the motor 35.

[0035] The first fixing groove 31 is formed on the top of the workbench 1 and the support plate 21 , and the second fixing groove 32 is formed on the top of the clamping plate 28 .

[0036] One end of the fixing block 37 is fixedly connected to one end of the clamping plate 28 , and the size of the pressing plate 36 matches the size of the fixing block 37 .

[0037] Through the above technical scheme, when the clamping plate 28 is pushed toward the robot arm housing by the first cylinder 27, the fixed block 37 at one end of the clamping plate 28 can slide in the first fixed groove 31 until it reaches the first fixed groove 31 at the support plate 21, so that the top of the fixed block 37 contacts the bottom of the robot arm housing. When pushing the clamping plate 28, according to the height of the robot arm housing, the second electric telescopic rod 33 is started to drive the fixed seat 34 to rise until the bottom of the pressure plate 36 on the top of the fixed seat 34 is on the same horizontal line as the top of the robot arm housing, and then the pressure plate 36 is driven to rotate by starting the motor 35, so that the bottom of the pressure plate 36 contacts the top of the robot arm housing, so that the top and bottom of the robot arm housing are clamped by the fixed block 37 and the pressure plate 36, thereby completing the fixing operation and achieving the effect of improving the stability during flipping.

[0038] 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 thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A fixture for machining a robot arm housing with a flipping function, comprising a workbench (1), characterized in that: A clamping mechanism (2) is provided on the top of the workbench (1), and a fixing mechanism (3) is provided at one end of the clamping mechanism (2); The clamping mechanism (2) comprises a supporting plate (21), a fixing frame (22) and a positioning frame (23); an adjusting assembly (24) is arranged at one end of the supporting plate (21); a stepping motor (25) is mounted at one end of the fixing frame (22); a rotating plate (26) is mounted at one end of the stepping motor (25); one end of the rotating plate (26) and the positioning frame (23) are both fixedly connected to a first cylinder (27); and one end of the first cylinder (27) is mounted with a clamping plate (28).

2. The fixture for machining a robot arm housing with a flipping function according to claim 1, characterized in that: The adjustment assembly (24) comprises a first electric telescopic rod (29), one end of which is fixedly connected to a moving frame (201), and a second cylinder (202) is installed on the top of the moving frame (201).

3. The fixture for machining the housing of a robot arm with a flipping function according to claim 2, characterized in that: The first electric telescopic rod (29) is fixedly connected to the inner side of the workbench (1), the top of the second cylinder (202) is fixedly connected to the bottom of the support plate (21), and the bottom of the movable frame (201) is provided with movable wheels.

4. The fixture for machining a robot arm housing with a flipping function according to claim 1, characterized in that: The support plate (21) is configured to be convex, and the inner side of the workbench (1) is fixedly connected to a limiting block.

5. The fixture for machining a robot arm housing with a flipping function according to claim 1, characterized in that: The fixing mechanism (3) comprises a first fixing groove (31) and a second fixing groove (32); a fixing block (37) is slidably connected to the inner side of the first fixing groove (31); a second electric telescopic rod (33) is fixedly connected to the inside of the second fixing groove (32); a fixing seat (34) is fixedly connected to the top of the second electric telescopic rod (33); a motor (35) is installed on the inner side of the fixing seat (34); and a pressing plate (36) is installed on the top of the motor (35).

6. The fixture for machining the housing of a robot arm with a flipping function according to claim 5, characterized in that: The first fixing groove (31) is opened on the top of the workbench (1) and the support plate (21), and the second fixing groove (32) is opened on the top of the clamping plate (28).

7. The fixture for machining a robot arm housing with a flipping function according to claim 5, characterized in that: One end of the fixing block (37) is fixedly connected to one end of the clamping plate (28), and the size of the pressing plate (36) is adapted to the size of the fixing block (37).

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