Full-automatic lead screw motor transmission numerical control drilling and milling machine
By designing a fully automatic screw motor-driven CNC drilling and milling machine, and adopting a multi-manipulator design, the problems of low machining efficiency and insufficient PCB board clamping stability are solved, and efficient and stable multi-functional machining is achieved.
Patent Information
- Application Number
- CN202420946681.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-05-06
AI Technical Summary
Traditional CNC drilling and milling machines have only one robot, making it difficult to complete tool change, automatic punching, and pin pulling at the same time, resulting in low processing efficiency and insufficient clamping stability of PCB boards.
A fully automatic screw motor-driven CNC drilling and milling machine is designed, adopting a multi-manipulator design, including moving parts, combined machining components, cylinders, motors and screws, to achieve high stability clamping and multi-functional machining of PCB boards.
It realizes efficient multi-functional processing, improves processing efficiency, enhances the clamping stability of the PCB board, and can complete tools such as tool change, automatic punching, and pin pulling at the same time.
Smart Images

Figure CN222903205U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PCB board processing, in particular to a full-automatic screw motor driven numerical control 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] Traditional CNC drilling and milling machines only have one manipulator, which is used for tool changing, automatic punching and pin pulling. Often, they cannot do both at the same time. The tool magazine and pin magazine for tool changing are small, and the continuous working time is limited, which reduces the processing efficiency. In addition, the PCB board clamping stability is low. For this reason, we proposed a fully automatic screw motor transmission CNC drilling and milling machine. Utility Model Content
[0004] The utility model is to solve the shortcomings of the prior art and propose a fully automatic screw motor driven CNC drilling and milling machine. The fully automatic screw motor driven CNC drilling and milling machine solves the problem that only one manipulator is used for tool changing, automatic driving and pin pulling, which often cannot be taken into account at the same time and the PCB board clamping stability is low.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A fully automatic screw motor driven CNC drilling and milling machine comprises a body table, a moving part 1 is arranged on the upper side of the body table, a placement plate 1 is arranged on the upper side of the moving part 1, a fixture is arranged on the upper side of the placement plate 1, a PCB board is arranged on the upper side of the fixture, a support table is arranged on the upper side of the body table, a moving part 2 is arranged on one side of the support table, a combined processing component is arranged on one side of the moving part 2, and the combined processing component is used to process the PCB board.
[0007] Through the above technical solution, the PCB board is placed in a fixture on the placement plate one and fixed, and then the moving part one is used to control the PCB board to move forward and backward, and then the moving part two controls the combined processing component to move left and right, so that the combined processing component performs drilling and milling processing on the PCB board, thereby providing a comprehensive processing function with high stability.
[0008] Preferably, the combined processing assembly includes a cylinder, the movable plate is arranged on one side of the movable part 2, a cylinder is arranged on one side of the movable plate, a mounting plate is arranged at the axial end of the cylinder, a three-in-one processing assembly is arranged on one side of the mounting plate, a motor is arranged on one side of the movable plate, a screw is arranged at the axial end of the motor, the screw is connected to the mounting plate, and a screw protection cover is arranged on one side of the mounting plate.
[0009] Through the above technical solution, the cylinder pushes the mounting plate, while the motor drives the lead screw, the lead screw threads the mounting plate, and the mounting plate drives the three-in-one processing assembly to move, thereby providing a high-stability downward drive function.
[0010] Preferably, the three-in-one machining assembly includes a machining spindle, which is arranged on one side of the mounting plate, a brush is arranged at the bottom end of the machining spindle, a tool changing robot is arranged on one side of the mounting plate and on the left side of the machining spindle, and a pin driving and pulling robot is arranged on one side of the mounting plate and on the right side of the machining spindle.
[0011] Through the above technical solution, the machining spindle cooperates with the brush to perform drilling and milling on the PCB board, the tool changing robot is used to change the tool on the machining spindle, and the pin pulling robot is used to pull pins from the PCB board.
[0012] Preferably, a placement rack is provided on one side of the placement plate, a plurality of milling cutter magazines are provided at the upper left end of the placement rack, a plurality of pin magazines are provided on the upper side of the placement rack and close to the milling cutter magazines, and a brush detector and a tool detector are respectively provided on the upper side of the placement rack.
[0013] Through the above technical solution, the milling cutter magazine is used to provide cutting tools, the pin magazine is used to provide pins, the brush detector is used to detect the brushes, and the tool detector is used to detect the milling cutter of the machining spindle.
[0014] Preferably, a protective cover is provided on the upper side of the fuselage table, a control panel is provided at the front right end of the protective cover, an automatic safety door is provided at the front middle part of the protective cover, and a control switch is provided at the front left end of the protective cover.
[0015] Through the above technical solution, the protective cover is used to protect the PCB board during processing, the control panel is used to operate the electrical components, and the automatic safety door is used to control the opening and closing of the protective cover, which is convenient for placing or taking the PCB board.
[0016] Preferably, the moving part 1 and the moving part 2 both adopt screw motors.
[0017] In summary, the utility model places the PCB board in a fixture on the placement plate one for fixing, then uses the moving part one to control the PCB board to move forward and backward, then the moving part two controls the combined processing component to move left and right, the cylinder pushes the mounting plate, and the motor drives the lead screw, the lead screw thread drives the mounting plate, the mounting plate drives the three-in-one processing component to move, and the processing spindle cooperates with the brush to perform drilling and milling processing on the PCB board, thereby providing a comprehensive processing function with high stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model with a protective cover;
[0019] Figure 2 This is a schematic diagram of the shaft side structure of the utility model without a protective cover;
[0020] Figure 3 For this utility model Figure 2 The structural diagram of A in the figure;
[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the structure of B.
[0022] In the figure: 1. Machine body table; 2. Moving part 1; 3. Placement plate 1; 4. Fixture; 5. PCB board; 6. Support table; 7. Moving part 2; 8. Moving plate; 9. Cylinder; 10. Mounting plate; 11. Motor; 12. Screw rod protection cover; 13. Processing spindle; 14. Brush; 15. Tool changing robot; 16. Pin driving and pulling robot; 17. Placement rack; 18. Milling cutter magazine; 19. Pin magazine; 20. Brush detector; 21. Tool detector; 22. Protection cover; 23. Control panel; 24. Automatic safety door; 25. Control switch. DETAILED DESCRIPTION
[0023] 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.
[0024] like Figure 1-Figure 4 As shown, a fully automatic screw motor driven CNC drilling and milling machine comprises a machine body table 1, a moving part 2 is arranged on the upper side of the machine body table 1, a placing plate 3 is arranged on the upper side of the moving part 2, a fixture 4 is arranged on the upper side of the placing plate 3, the fixture 4 is a vacuum adsorption fixture, a supporting platform 6 is arranged on the upper side of the machine body table 1, a moving part 2 7 is arranged on one side of the supporting platform 6, the moving part 2 and the moving part 2 7 both adopt screw motors,
[0025] A combined processing assembly is provided on one side of the moving part 2 7, and the combined processing assembly includes a cylinder 9. A moving plate 8 is provided on one side of the moving part 2 7. A cylinder 9 is provided on one side of the moving plate 8. A mounting plate 10 is provided on the shaft end of the cylinder 9. A three-in-one processing assembly is provided on one side of the mounting plate 10. A motor 11 is provided on one side of the moving plate 8. A screw is provided on the shaft end of the motor 11. The screw is connected to the mounting plate 10. A screw protection cover 12 is provided on one side of the mounting plate 10. The combined processing assembly is used to process the PCB board 5.
[0026] The three-in-one machining component includes a machining spindle 13, which is arranged on one side of the mounting plate 10, a brush 14 is arranged at the bottom end of the machining spindle 13, a tool changing robot 15 is arranged on one side of the mounting plate 10 and on the left side of the machining spindle 13, a pin pulling robot 16 is arranged on one side of the mounting plate 10 and on the right side of the machining spindle 13, a placement rack 17 is arranged on one side of the placement plate 13, a plurality of milling cutter magazines 18 are arranged on the upper left end of the placement rack 17, a plurality of pin magazines 19 are arranged on the upper side of the placement rack 17 and close to the milling cutter magazine 18, a brush detector 20 and a tool detector 21 are respectively arranged on the upper side of the placement rack 17, a protective cover 22 is arranged on the upper side of the fuselage table 1, a control panel 23 is arranged on the front right end of the protective cover 22, an automatic safety door 24 is arranged in the middle of the front side of the protective cover 22, and a control switch 25 is arranged on the front left end of the protective cover 22.
[0027] In this embodiment, the PCB board 5 is placed in the fixture 4 on the placement plate 3 and fixed, and then the moving part 2 is used to control the PCB board 5 in the fixture 4 on the placement plate 3 to move forward and backward. Then the moving part 2 controls the combined processing component to move left and right. The cylinder 9 pushes the mounting plate 10. At the same time, the motor 11 drives the screw rod, and the screw rod thread drives the mounting plate 10. The mounting plate 10 drives the three-in-one processing component to move. The processing spindle 13 is used with the brush 14 to perform drilling and milling processing on the PCB board 5, thereby providing a comprehensive processing function with high stability.
[0028] It should be noted that the number of tool magazines and pin magazines for tool change was small in the past, and the continuous working time was limited. This case adopts the design of multiple tool magazines and multiple pin magazines, which can increase the working time. In actual applications, pins of the same size are positioned by the same pin positioning device, and there is no need to design a new pin positioning device. Compared with the prior art, the method of positioning pins of different sizes by using a box body with positioning holes of different sizes can simplify the manufacturing difficulty of the pin positioning device, and there is no need to manufacture a box body with positioning holes of different sizes, thereby saving manufacturing costs. The number of milling cutter magazines 18 and pin magazines 19 is at least two, and pins of more than two specifications can be placed, each with 50 pins. Similarly, the tool magazine can also place more than two milling cutters of different sizes, each with 50 cutters, and at the same time increase the tool detection function;
[0029] The processing range of PCB board 5 is 660mm*760mm.
[0030] The above description 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 replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A fully automatic screw motor driven CNC drilling and milling machine, characterized in that: The invention comprises a machine body table (1) and a moving plate (8), wherein a moving part (2) is arranged on the upper side of the machine body table (1), a placing plate (3) is arranged on the upper side of the moving part (2), a clamp (4) is arranged on the upper side of the placing plate (3), a PCB board (5) is arranged on the upper side of the clamp (4), a supporting platform (6) is arranged on the upper side of the machine body table (1), a moving part (7) is arranged on one side of the supporting platform (6), a combined processing component is arranged on one side of the moving part (7), and the combined processing component is used for machining the PCB board ( 5) for processing, the combined processing assembly comprises a cylinder (9), the movable plate (8) is arranged on one side of the movable part (7), the cylinder (9) is arranged on one side of the movable plate (8), a mounting plate (10) is arranged at the shaft end of the cylinder (9), a three-in-one processing assembly is arranged on one side of the mounting plate (10), a motor (11) is arranged on one side of the movable plate (8), a screw is arranged at the shaft end of the motor (11), the screw is connected to the mounting plate (10), and a screw protection cover (12) is arranged on one side of the mounting plate (10).
2. A fully automatic screw motor driven CNC drilling and milling machine according to claim 1, characterized in that: The three-in-one processing assembly comprises a processing spindle (13), the processing spindle (13) is arranged on one side of a mounting plate (10), a brush (14) is arranged at the bottom end of the processing spindle (13), a tool changing manipulator (15) is arranged on one side of the mounting plate (10) and on the left side of the processing spindle (13), and a pin driving and pulling manipulator (16) is arranged on one side of the mounting plate (10) and on the right side of the processing spindle (13).
3. The fully automatic screw motor driven CNC drilling and milling machine according to claim 1, characterized in that: A placement rack (17) is arranged on one side of the placement plate (3); a plurality of milling cutter magazines (18) are arranged at the upper left end of the placement rack (17); a plurality of pin magazines (19) are arranged on the upper side of the placement rack (17) and close to the milling cutter magazines (18); and a brush detector (20) and a tool detector (21) are respectively arranged on the upper side of the placement rack (17).
4. The fully automatic screw motor driven CNC drilling and milling machine according to claim 1, characterized in that: A protective cover (22) is arranged on the upper side of the machine body table (1), a control panel (23) is arranged at the front right end of the protective cover (22), an automatic safety door (24) is arranged at the front middle of the protective cover (22), and a control switch (25) is arranged at the front left end of the protective cover (22).
5. The fully automatic screw motor driven CNC drilling and milling machine according to claim 1, characterized in that: The moving part 1 (2) and the moving part 2 (7) both use screw motors.