Special cutter for machining large arm of industrial robot

Abstract

The utility model discloses a special cutter for processing a big arm of an industrial robot, which comprises a cutter bar, a chip groove A, a chip groove B and a chip groove C are arranged on the cutter bar, the chip groove A is arranged on the cutter bar and used for being clamped at one end of a machine tool spindle in a using state, and the chip groove B and the chip groove C are both arranged at the other end of the cutter bar. The chip groove B and the chip groove C are located on the two sides of the cutter bar, the blade A, the machining hole A and the blade B are installed in the chip groove B, the blade C and the blade D are installed in the chip groove C, and the blade E is installed in the chip groove A. According to the utility model, the plurality of blades required for processing two holes on the big arm of the robot are uniformly and intensively arranged on the cutter bar, and a plurality of parts of the whole big arm of the industrial robot can be processed by only installing the blades once, so that compared with the prior art that a cutter is replaced for processing, the time required for replacing the cutter is shortened, and the processing efficiency is improved. And the machining efficiency of the industrial robot big arm is improved.

Description

Technical Field

[0001] The utility model relates to a special tool for processing an industrial robot arm, belonging to the field of mechanical processing technology. Background Art

[0002] Industrial robots are multi-joint manipulators or multi-degree-of-freedom machine devices widely used in the industrial field. They have a certain degree of automation and can rely on their own power and control capabilities to achieve various industrial processing and manufacturing functions. The manufacturing of the mechanical part of the robot must ensure that the accuracy meets the requirements. Among them, the control of the coaxiality of the two holes in the industrial robot arm is particularly important. The structure of the two holes in the industrial robot arm is as follows Figure 1 As shown, hole A7 is a through hole, hole B5 is a blind hole, and the diameter of hole A7 is larger than that of hole B5. A chamfer A16 is processed at the end of hole A7 away from hole B5, and a chamfer B17 is also processed at the end of hole B5 close to hole A7. The end face of hole B5 close to hole A7 is a plane 18, which also needs to be processed. The inner walls of holes A7 and B5 and the bottom end face 19 of hole B5 all need to be processed by a tool.

[0003] The current processing method for the two holes in the industrial robot arm is to use tools of different specifications to process the hole wall and end face. Tool change operations are required during the processing. Different processing parts are processed by different tools. Frequent tool changes require a lot of time, so it not only reduces the manufacturing efficiency, but also is affected by the accuracy of the machine tool during the tool change process, and the coaxiality accuracy of the two holes cannot be guaranteed. Summary of the invention

[0004] The utility model aims to provide a special tool for processing the big arm of an industrial robot, so as to solve the technical defects in the prior art that the tool changing operation is required during the processing of the big arm of the industrial robot, which affects the processing efficiency of the big arm of the industrial robot and the coaxiality of the hole.

[0005] In order to solve the above problems, the technical solution adopted by the utility model is: a special tool for processing the upper arm of an industrial robot, including a tool rod, on which are provided chip grooves A, chip grooves B and chip grooves C, wherein chip groove A is provided on the tool rod for clamping one end of the machine tool spindle when in use, chip grooves B and chip grooves C are both provided on the other end of the tool rod, and chip grooves B and chip grooves C are located on both sides of the tool rod, a blade A for processing the hole B of the upper arm of the robot and a blade B for processing the hole A and the outer end surface of the hole B are installed in the chip groove B, a blade C for the inner end surface of the hole B and a blade D for chamfering the opening of the hole B are installed in the chip groove C, and a blade E for chamfering the hole A is installed in the chip hole A.

[0006] As a further improvement of the utility model, the tool rod includes a clamping section and a tool section that are fixedly connected, and the tool section includes a rod unit A, a rod unit B and a rod unit C in sequence in the direction away from the clamping section, wherein the diameter of the rod unit C is equal to the aperture of the hole B, the diameter of the rod unit B is greater than the diameter of the rod unit C and the diameter of the rod unit B is equal to the aperture of the hole A, the diameter of the rod unit A is greater than the diameter of the rod unit B, the chip groove A is opened on the rod unit A and the rod unit B, the chip groove B and the chip groove C are both opened on the rod unit B and the rod unit C, and the chip groove B and the chip groove C both pass through the end face of the rod unit C away from the clamping section.

[0007] As a further improvement of the present invention, the blade E is a rhombus blade, and the angle between the blade edge of the rhombus blade E and the center line of the blade rod is equal to the angle of the chamfer of the hole A.

[0008] As a further improvement of the present invention, the blade A is a square blade, and the cutting edge of the blade A is parallel to the center line of the blade rod.

[0009] As a further improvement of the present invention, blade B is a triangular blade, the cutting edge of blade B is perpendicular to the center line of the blade rod, and when blade B passes through hole A, its blade tip processes the inner wall of hole A. Blade B is used to process the outer end surface of hole B when the rod unit C extends into hole B.

[0010] As a further improvement of the utility model, the blade C is a square blade, which is installed in the chip groove C at one end away from the rod unit B, and its blade is perpendicular to the center line of the tool rod.

[0011] As a further improvement of the present invention, the blade D is a diamond-shaped blade, and the angle between the blade edge of the blade D and the center line of the blade rod is equal to the angle of the chamfer of the hole B.

[0012] To sum up, the beneficial effects of the utility model are as follows: the utility model centrally installs multiple blades required for processing the two holes on the robot's arm on the tool rod, and the blades only need to be installed once to complete the processing of multiple parts of the entire industrial robot's arm. Compared with the prior art of replacing the tool for processing, the utility model reduces the time required for replacing the tool and improves the efficiency of the industrial robot's arm processing. At the same time, since the utility model only performs one tool installation, it can effectively improve the coaxiality of the two holes on the industrial robot's arm, thereby improving the overall processing quality of the industrial robot's arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural diagram of the part to be processed of the industrial robot's arm.

[0014] Figure 2 It is the front view of the utility model.

[0015] Figure 3 It is a schematic diagram of the structure of the chip groove C, the blade C and the blade D in the utility model.

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 5 It is a three-dimensional structural schematic diagram of the utility model in use state.

[0018] Among them: 1. tool bar; 2. chip groove A; 3. chip groove B; 4. chip groove C; 5. hole B; 6. blade A; 7. hole A; 8. blade B; 9. blade C; 10. blade D; 11. blade E; 12. clamping section; 13. rod unit A; 14. rod unit B; 15. rod unit C; 16. chamfer A; 17. chamfer B; 18. plane; 19. bottom end face of the hole. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0020] like Figures 2 to 4 The special tool for industrial robot arm processing shown in the figure comprises a tool bar 1, on which a chip groove A2, a chip groove B3 and a chip groove C4 are provided, wherein the surfaces of the chip grooves A2, B3 and C4 for mounting the blades are blade mounting surfaces, and the blade mounting surfaces are planes to facilitate the installation of the blades. The tool bar 1 is clamped on the machine tool spindle when in use and is driven to rotate by the machine tool spindle. The chip groove A2 in the utility model is provided on the tool bar 1 for clamping on one end of the machine tool spindle when in use, and the chip grooves B3 and C4 are both provided on the other end of the tool bar 1, and the chip grooves B3 and C4 are located on both sides of the tool bar 1, and the blade mounting surfaces of the chip grooves B3 and C4 are parallel, so that the chip removal The slot B3 is equipped with a blade A6 for processing the hole B5 of the robot arm and a blade B8 for processing the hole A7 and the outer end surface of the hole B5. The chip slot C4 is equipped with a blade C9 for the inner end surface of the hole B5 and a blade D10 for chamfering the hole opening of the hole B5. The utility model installs a blade E11 for chamfering the end of the hole A7 away from the hole B5 in the chip slot A2. The utility model can install a blade once to complete the processing of multiple parts of the hole A7 and the hole B5, without the need for tool changing operations, effectively improving the efficiency of the industrial robot arm processing, while also avoiding the influence of the machine tool accuracy during the tool changing process, and maintaining the coaxial accuracy of the two holes on the industrial robot arm.

[0021] like Figure 2 and Figure 4As shown, the tool rod 1 in the utility model includes a clamping section 12 and a tool section that are fixedly connected. The tool section includes a rod unit A13, a rod unit B14 and a rod unit C15 in sequence in the direction away from the clamping section 12. The rod units A13, B14 and C15 are all cylindrical, and the center lines of the three coincide with the center line of the clamping section 12, wherein the diameter of the rod unit C15 is equal to the aperture of the hole B5, the diameter of the rod unit B14 is greater than the diameter of the rod unit C15 and the diameter of the rod unit B14 is equal to the aperture of the hole A7, a 45-degree chamfer is set at the connection between the rod unit C15 and the rod unit B14, the diameter of the rod unit A13 is greater than the diameter of the rod unit B14, and a 45-degree chamfer is set at the connection between the rod unit A13 and the rod unit B14 There is a 45-degree chamfer. The chip groove A2 in the utility model is opened on the rod unit A13 and the rod unit B14, that is, the two ends of the chip groove A2 are respectively located on the rod unit A13 and the rod unit B14, the chip groove B3 and the chip groove C4 are both opened on the rod unit B14 and the rod unit C15, and the two ends of the chip groove B3 and the chip groove C4 are respectively located on the rod unit B14 and the rod unit C15. The ends of the chip groove B3 and the chip groove C4 in the utility model away from the rod unit A13 both penetrate the end face of the rod unit C15 away from the clamping section 12.

[0022] like Figures 2 to 4As shown, the blade E11 in the present invention is a diamond blade, and the angle between the blade edge of the diamond blade E11 and the center line of the shank 1 is equal to the angle of the chamfer of the hole A7; the blade A6 in the present invention is a square blade, and the blade edge of the blade A6 is parallel to the center line of the shank 1. When in use, the blade edge of the blade A6 cooperates with the inner wall of the hole B5 to process the inner wall of the hole B5; the blade B8 in the present invention is a triangular blade, the blade edge of the blade B8 is perpendicular to the center line of the shank 1, and the blade edge of the blade B8 slightly extends out of the end face of the rod unit B14, the distance between the tip of the blade B8 away from the center line of the shank 1 and the center line of the shank 1 is slightly greater than the radius of the rod unit B, and when the blade B8 passes through the hole A7, the tip of the blade B8 cooperates with the inner surface of the hole A7 to process the inner surface of the hole A7. When the blade B8 is inserted into the hole B5 by the rod unit C15, the blade B8's cutting edge cooperates with the end of the hole B5 close to the hole A7, and is used to process the outer end face of the hole B5; the blade C9 in the utility model is a square blade, and the blade C9 is installed in the end of the chip groove C4 away from the rod unit B14, and its cutting edge is perpendicular to the center line of the tool rod 1, and the cutting edge of the blade C9 slightly protrudes from the end face of the rod unit C15, so that the cutting edge of the blade C9 can cooperate with the inner end face of the hole B5 to complete the processing of the inner end face of the hole B5; the blade D10 in the utility model is a diamond blade, and the angle between the blade D10 and the center line of the tool rod 1 is equal to the angle of the chamfer of the hole B5. When the blade B8 processes the end face of the outer end of the hole B5, the blade D10 processes a chamfer at the hole mouth of the hole B5. In the present invention, the blade A6, the blade B8, the blade C9, the blade D10 and the blade E11 are installed on the tool installation surface, which is a prior art and will not be described in detail in the present invention.

[0023] like Figure 5 As shown, when the utility model starts to process the industrial robot arm, the tool rod 1 extends into the hole A7 from the side of the hole A7 away from the hole B5. At this time, the tip of the blade B8 cooperates with the inner wall of the hole A7 to process the inner wall of the hole A7. After the blade B8 is completely extended from the hole A7, the tool rod 1 rotates and continues to move axially. The rod unit C15 extends into the hole B5, and the blade of the blade A processes the inner wall of the hole B5. When the end of the rod unit C15 extends to the bottom of the hole B5, the blade of the blade C9 cooperates with the inner end face of the hole B5 to process the inner end face of the hole B5. The tool rod 1 continues to move axially, and the blade B8 cooperates with the outer end face of the hole B5 to process the outer end face of the hole B5. At the same time, the blade D10 chamfers the hole mouth of the hole B5, and the blade E11 chamfers the end of the hole A7 away from the hole B5. After the processing is completed, the tool rod 1 can be withdrawn from the hole A7 and the hole B5.

[0024] The parts not specifically described in the above description are all prior art, or can be implemented by prior art. Moreover, the specific implementation cases described in this utility model are only preferred implementation cases of this utility model, and are not used to limit the implementation scope of this utility model. That is, all equivalent changes and modifications made according to the content of the patent application scope of this utility model should be regarded as the technical scope of this utility model.

Claims

1. A special tool for industrial robot arm processing, characterized by: The utility model comprises a tool bar, on which chip grooves A, B and C are provided, wherein chip groove A is provided on the tool bar for clamping one end of the machine tool spindle when in use, chip groove B and chip groove C are provided on the other end of the tool bar, and chip groove B and chip groove C are located on both sides of the tool bar, a blade A for processing a hole B of a robot arm and a blade B for processing hole A and the outer end surface of hole B are installed in chip groove B, a blade C for the inner end surface of hole B and a blade D for chamfering the opening of hole B are installed in chip groove C, and a blade E for chamfering hole A is installed in chip groove A.

2. The special tool for industrial robot arm processing according to claim 1, characterized in that: The tool rod includes a clamping section and a tool section that are fixedly connected, and the tool section includes a rod unit A, a rod unit B and a rod unit C in sequence in the direction away from the clamping section, wherein the diameter of the rod unit C is equal to the aperture of the hole B, the diameter of the rod unit B is greater than the diameter of the rod unit C and the diameter of the rod unit B is equal to the aperture of the hole A, the diameter of the rod unit A is greater than the diameter of the rod unit B, the chip groove A is opened on the rod unit A and the rod unit B, the chip groove B and the chip groove C are both opened on the rod unit B and the rod unit C, and the chip groove B and the chip groove C both penetrate the end face of the rod unit C away from the clamping section.

3. The special tool for industrial robot arm processing according to claim 2 is characterized in that: The blade E is a rhombus blade, and the angle between the blade edge of the rhombus blade E and the center line of the blade rod is equal to the angle of the chamfer of the hole A.

4. The special tool for industrial robot arm processing according to claim 2, characterized in that: The blade A is a square blade, and the cutting edge of the blade A is parallel to the center line of the blade rod.

5. The special tool for industrial robot arm processing according to claim 2, characterized in that: Blade B is a triangular blade, and the cutting edge of blade B is perpendicular to the center line of the blade rod. When blade B passes through hole A, its blade tip processes the inner wall of hole A. Blade B is used to process the outer end surface of hole B when the rod unit C extends into hole B.

6. The special tool for industrial robot arm processing according to claim 2, characterized in that: The insert C is a square insert and is installed at one end of the chip groove C away from the rod unit B, and its cutting edge is perpendicular to the center line of the tool rod.

7. The special tool for industrial robot arm processing according to claim 2, characterized in that: The blade D is a diamond blade, and the angle between the blade edge of the blade D and the center line of the blade rod is equal to the angle of the chamfer of the hole B.

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