Full-automatic cross-axis linear motor transmission numerical control drilling and milling machine

By designing a fully automatic cross-axis linear motor drive CNC drilling and milling machine, using three-in-one machining components and linear motor drive, the problem of inefficiency in traditional CNC drilling and milling machines when processing PCB boards is solved, and efficient and accurate multi-functional machining is achieved.

CN222626876UActive Publication Date: 2025-03-18SHENZHEN YIHUI NUMERICAL CONTROL EQUIP
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Patent Information

Application Number
CN202420897909.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-03-18
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

When processing PCB boards, traditional CNC drilling and milling machines have only one robot, and it is difficult to complete tool change, automatic punching, and pin pulling at the same time, resulting in low processing efficiency.

Method used

A fully automatic cross-axis linear motor transmission CNC drilling and milling machine is designed, using three-in-one machining components, including machining spindles, tool changing robots and pin pulling robots. The linear motor drives moving parts and workbenches to achieve efficient machining of PCB boards.

Benefits of technology

It realizes drilling, milling, tool changing, and pin pulling operations during PCB board processing, which improves processing efficiency and avoids the problems of slow speed and poor accuracy of traditional machine tools.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222626876U_ABST
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Abstract

The utility model relates to the technical field of PCB drilling and milling machining, in particular to a full-automatic cross-axis linear motor transmission numerical control drilling and milling machine which comprises a machine body, a first moving part is arranged in the center of the upper side of the machine body, a placing plate is arranged on one side of the first moving part, a PCB is arranged on the upper side of the placing plate, and a fixing frame is arranged on one side of the placing plate. A workbench is arranged on the upper side of the machine body, a second moving part is arranged on one side of the workbench, a moving plate is arranged on one side of the second moving part, an air cylinder is arranged on one side of the moving plate, a push plate is arranged at the shaft end of the air cylinder, a lead screw motor is arranged on one side of the moving plate and connected with the push plate, and a lead screw protective cover is arranged on one side of the push plate. The three-in-one machining device solves the problems that only one mechanical arm is arranged on a drilling and milling machine, tool changing operation and automatic pin hitting and pulling operation need to be carried out, the tool changing operation and the automatic pin hitting and pulling operation cannot be carried out at the same time frequently, and machining efficiency is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of PCB board drilling and milling processing, in particular to a full-automatic cross-axis linear motor driven numerically controlled drilling and milling machine. Background Art

[0002] The names of circuit boards include: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin circuit boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layouts. Drilling and milling machines (CNC drilling and milling machines) are required for PCB processing. CNC drilling and milling machines are multifunctional machine tools that have multiple processing technologies such as drilling, milling, chamfering, and tapping. They are a type of equipment that automatically processes parts by controlling the machine tool through a computer program.

[0003] The traditional CNC drilling and milling machine has a processing range of 660X760 mm for PCB boards and only has one robot. It needs to change tools, punch and pull pins automatically, but often cannot do all of these at the same time. The screw motor transmission has problems such as slow speed, easy wear and poor precision. The tool magazine and pin magazine for tool change are small in number, and the continuous working time is limited, which reduces the processing efficiency. For this reason, we proposed a fully automatic cross-axis linear motor transmission CNC drilling and milling machine. Summary of the invention

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a fully automatic cross-axis linear motor driven CNC drilling and milling machine. The utility model solves the problem that there is only one manipulator on the drilling and milling machine, which has to perform both tool changing operations and automatic pin driving and pin pulling operations, but often cannot take care of both operations at the same time, thereby reducing the processing efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A fully automatic cross-axis linear motor driven CNC drilling and milling machine comprises a fuselage, a moving part 1 is arranged at the upper center position of the fuselage, a placement plate is arranged on one side of the moving part 1, a PCB board is arranged on the upper side of the placement plate, a fixing frame is arranged on one side of the placement plate, a workbench is arranged on the upper side of the fuselage, a moving part 2 is arranged on one side of the workbench, a moving plate is arranged on one side of the moving part 2, a cylinder is arranged on one side of the moving plate, a push plate is arranged on the axial end of the cylinder, a screw motor is arranged on one side of the moving plate, the screw motor is connected to the push plate, a screw protective cover is arranged on one side of the push plate, and a three-in-one processing component is arranged on one side of the push plate.

[0007] Preferably, the three-in-one machining component includes a machining spindle, a tool changing robot and a pin driving and pulling out robot. The machining spindle is arranged on one side of the push plate, the tool changing robot is arranged on one side of the push plate and is located on the left side of the machining spindle, the pin driving and pulling out robot is arranged on one side of the push plate and is located on the right side of the machining spindle, and a brush is arranged at the bottom end of the machining spindle.

[0008] Through the above technical scheme, the PCB board is placed on the placement plate, and the moving part 1 is used to control the moving plate to move forward and backward, and then the moving part 2 on the workbench is used to control the moving plate to move left and right, so that the three-in-one processing component on the push plate at the end of the cylinder on the moving plate processes the PCB board. The three-in-one processing component includes a processing spindle, a tool changing manipulator, and a pin hitting and pulling manipulator. The processing spindle is used to perform drilling and milling operations on the PCB board, the tool changing manipulator is used to replace the milling cutter on the processing spindle, and the pin hitting and pulling manipulator is used to hit and pull pins on the PCB board. That is, when the PCB board is processed, the drilling and milling, tool changing, and pin hitting and pulling operations can be performed simultaneously, thereby improving the processing efficiency and performing efficient processing.

[0009] Preferably, the moving part 1 and the moving part 2 are both linear motor components.

[0010] Through the above technical solution, both the moving part 1 and the moving part 2 use linear motors. Compared with the transmission lead screw motor, the linear motor has a more precise moving position and can avoid the problems of easy wear, slow speed and poor precision of the lead screw motor during use.

[0011] Preferably, a pin magazine and a milling cutter magazine are respectively provided on the upper side of the fixing frame, the number of the pin magazines is at least six, the number of the milling cutter magazines is at least three, and the pin magazine and the milling cutter magazine are arranged in a parallel structure.

[0012] Through the above technical solution, the setting of multiple tool magazines and multiple pin magazines can improve working time.

[0013] Preferably, a brush detector and a tool detector are respectively provided on the upper side of the fixing frame.

[0014] Through the above technical solution, the brush detector and the tool detector can respectively perform real-time detection on the brush and the tool, can automatically detect the tool length and tool diameter of the milling cutter in real time, and can automatically detect the length of the brush.

[0015] Preferably, a protective shell is provided on the upper side of the fuselage, a control panel is provided at the right end of the protective shell, a grating automatic door is provided in the middle of the protective shell, and an emergency stop button and an automatic door button are respectively provided at the left end of the protective shell.

[0016] Through the above technical solution, the protective shell can provide a protective function during the drilling and milling process, and the emergency stop button can make an emergency stop of the drilling and milling machine.

[0017] Preferably, a side plate is provided on the upper side of the movable plate, a thermostat is provided on one side of the side plate, a plug is provided on one side of the side plate and below the thermostat, and a barometer is provided on one side of the movable plate.

[0018] Preferably, a plurality of guide rails are provided on the upper side of the fuselage, a guide slider is provided on the upper side of the guide rails, and one side of the guide slider is connected to the lower side of the movable plate.

[0019] The utility model places a PCB board on a placing plate, controls the placing plate to move forward and backward by using a moving part 1, and then controls the moving plate to move left and right by using a moving part 2 on a workbench, so that a three-in-one processing component on a push plate at the end of a cylinder on the moving plate processes the PCB board. The three-in-one processing component comprises a processing spindle, a tool changing manipulator, and a pin hitting and pulling manipulator. The processing spindle is used for drilling and milling operations on the PCB board, the tool changing manipulator is used for replacing the milling cutter on the processing spindle, and the pin hitting and pulling manipulator is used for hitting and pulling pins on the PCB board. That is, when the PCB board is processed, the drilling and milling, tool changing, and pin hitting and pulling operations can be performed simultaneously, thereby improving the processing efficiency and performing efficient processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the front axial side of the utility model with a protective shell;

[0021] Figure 2 This is a schematic diagram of the structure of the front axial side of the utility model without a protective shell;

[0022] Figure 3 For this utility model Figure 2 The structural diagram of A in the figure;

[0023] Figure 4 For this utility model Figure 2 Schematic diagram of the structure of B.

[0024] In the figure: 1. Machine body; 2. Moving part 1; 3. Placement plate; 4. Fixed frame; 5. Workbench; 6. Moving part 2; 7. Moving plate; 8. Side plate; 9. Cylinder; 10. Screw motor; 11. Push plate; 12. Screw protection cover; 13. Processing spindle; 14. Tool changing robot; 15. Pin punching and pulling robot; 16. Pin magazine; 17. Milling cutter magazine; 18. Brush detector; 19. Tool detector; 20. PCB board; 21. Protective shell; 22. Control panel; 23. Grating automatic door; 24. Emergency stop button; 25. Automatic door button; 26. Temperature controller; 27. Barometer; 28. Plug; 29. ​​Guide slider; 30. Guide rail; 31. Brush. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] like Figure 1-Figure 4 As shown, a fully automatic cross-axis linear motor driven CNC drilling and milling machine comprises a body 1, a moving part 2 is arranged at the center position of the upper side of the body 1, a placement plate 3 is arranged on one side of the moving part 2, a PCB board 20 is arranged on the upper side of the placement plate 3, a fixing frame 4 is arranged on one side of the placement plate 3, a workbench 5 is arranged on the upper side of the body 1, a moving part 2 6 is arranged on one side of the workbench 5, the moving part 2 and the moving part 2 6 both adopt linear motor components, a moving plate 7 is arranged on one side of the moving part 2 6, a cylinder 9 is arranged on one side of the moving plate 7, a push plate 11 is arranged on the shaft end of the cylinder 9, a screw motor 10 is arranged on one side of the moving plate 7, the screw motor 10 is connected to the push plate 11, a screw protective cover 12 is arranged on one side of the push plate 11, and a three-in-one processing component is arranged on one side of the push plate 11.

[0027] The three-in-one processing assembly includes a processing spindle 13, a tool changing robot 14, and a pin hitting and pulling robot 15. The processing spindle 13 is arranged on one side of the push plate 11, the tool changing robot 14 is arranged on one side of the push plate 11 and located on the left side of the processing spindle 13, the pin hitting and pulling robot 15 is arranged on one side of the push plate 11 and located on the right side of the processing spindle 13, and a brush 31 is arranged at the bottom end of the processing spindle 13.

[0028] A pin magazine 16 and a milling cutter magazine 17 are respectively arranged on the upper side of the fixed frame 4. The number of the pin magazines 16 is at least six, and the number of the milling cutter magazines 17 is at least three. The pin magazines 16 and the milling cutter magazines 17 are arranged in parallel. A brush detector 18 and a tool detector 19 are respectively arranged on the upper side of the fixed frame 4.

[0029] A protective shell 21 is provided on the upper side of the fuselage 1, a control panel 22 is provided at the right end of the protective shell 21, a grating automatic door 23 is provided in the middle of the protective shell 21, an emergency stop button 24 and an automatic door button 25 are provided at the left end of the protective shell 21, a side panel 8 is provided on the upper side of the movable plate 7, a thermostat 26 is provided on one side of the side panel 8, a plug 28 is provided on one side of the side panel 8 and below the thermostat 26, a barometer 27 is provided on one side of the movable plate 7, a plurality of guide rails 30 are provided on the upper side of the fuselage 1, a guide slider 29 is provided on the upper side of the guide rail 30, and one side of the guide slider 29 is connected to the lower side of the movable plate 7.

[0030] In this embodiment, the PCB board 20 is placed on the placement plate 3, and the moving part 2 is used to control it to move forward and backward, and then the moving part 2 6 on the workbench 5 is used to control the moving plate 7 to move left and right, so that the three-in-one processing component on the push plate 11 at the end of the cylinder 9 on the moving plate 7 processes the PCB board 20. The three-in-one processing component includes a processing spindle 13, a tool changing robot 14, and a pin hitting and pulling robot 15. The processing spindle 13 is used to perform drilling and milling operations on the PCB board 20, the tool changing robot 14 is used to replace the milling cutter on the processing spindle 13, and the pin hitting and pulling robot 15 is used to hit and pull pins on the PCB board 20. That is, when the PCB board 20 is processed, its drilling and milling, tool changing, and pin hitting and pulling operations can be performed simultaneously.

[0031] It should be noted that the processing range of this drilling and milling machine is 1300mm*850mm (1, 3 axes or 2, 4 axes can process 1300mm*850mm circuit boards at the same time); 660mm*850mm (4 axes can process at the same time);

[0032] The machining spindle 13 is a pneumatic tool change spindle (2.5 kW);

[0033] The power requirement of this drilling and milling machine is 380V / 50HZ / 10kW, three-phase with neutral wire and ground wire;

[0034] The barometer 27 can detect the air pressure, and the air pressure is required to be ≥0.65MPa.

[0035] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fully automatic cross-axis linear motor driven CNC drilling and milling machine, comprising a machine body (1), characterized in that: A moving part (2) is arranged at the center position of the upper side of the body (1), a placement plate (3) is arranged on one side of the moving part (2), a PCB board (20) is arranged on the upper side of the placement plate (3), a fixing frame (4) is arranged on one side of the placement plate (3), a workbench (5) is arranged on the upper side of the body (1), a moving part (6) is arranged on one side of the workbench (5), a moving plate (7) is arranged on one side of the moving part (6), a cylinder (9) is arranged on one side of the moving plate (7), a push plate (11) is arranged at the axial end of the cylinder (9), and a three-in-one processing component is arranged on one side of the push plate (11).

2. A fully automatic cross-axis linear motor driven CNC drilling and milling machine according to claim 1, characterized in that: The three-in-one machining component comprises a machining spindle (13), a tool changing robot (14) and a pin driving and pulling robot (15); the machining spindle (13) is arranged on one side of a push plate (11); the tool changing robot (14) is arranged on one side of the push plate (11) and is located on the left side of the machining spindle (13); the pin driving and pulling robot (15) is arranged on one side of the push plate (11) and is located on the right side of the machining spindle (13); and a brush (31) is arranged at the bottom end of the machining spindle (13).

3. The fully automatic cross-axis linear motor driven CNC drilling and milling machine according to claim 1, characterized in that: The moving part 1 (2) and the moving part 2 (6) are both linear motor components.

4. The fully automatic cross-axis linear motor driven CNC drilling and milling machine according to claim 1, characterized in that: A pin magazine (16) and a milling cutter magazine (17) are respectively arranged on the upper side of the fixed frame (4); the number of the pin magazines (16) is at least six, the number of the milling cutter magazines (17) is at least three, and the pin magazines (16) and the milling cutter magazines (17) are arranged in a parallel structure.

5. The fully automatic cross-axis linear motor driven CNC drilling and milling machine according to claim 1, characterized in that: A brush detector (18) and a tool detector (19) are respectively arranged on the upper side of the fixing frame (4).

6. The fully automatic cross-axis linear motor driven CNC drilling and milling machine according to claim 1, characterized in that: A protective shell (21) is arranged on the upper side of the body (1), a control panel (22) is arranged at the right end of the protective shell (21), a grating automatic door (23) is arranged in the middle of the protective shell (21), and an emergency stop button (24) and an automatic door button (25) are arranged at the left end of the protective shell (21).

7. The fully automatic cross-axis linear motor driven CNC drilling and milling machine according to claim 1, characterized in that: A side plate (8) is arranged on the upper side of the movable plate (7), a temperature controller (26) is arranged on one side of the side plate (8), a plug (28) is arranged on one side of the side plate (8) and below the temperature controller (26), and a barometer (27) is arranged on one side of the movable plate (7).

8. The fully automatic cross-axis linear motor driven CNC drilling and milling machine according to claim 1, characterized in that: A plurality of guide rails (30) are arranged on the upper side of the body (1), a guide slider (29) is arranged on the upper side of the guide rails (30), and one side of the guide slider (29) is connected to the lower side of the moving plate (7).