Laser machine beam vertical and horizontal double-spindle multi-spindle linkage drilling and milling equipment

Abstract

The utility model discloses laser machine beam vertical and horizontal double-spindle multi-spindle linkage drilling and milling equipment which comprises a lathe bed, a workbench, an X / Y / Z-axis linear motion assembly, a vertical spindle box, a horizontal spindle box and a double-tool-magazine system, and an X-axis servo motor and a Y-axis servo motor drive a carriage and a stand column to achieve X / Y-direction movement. According to the vertical spindle box and the horizontal spindle box, an independent servo motor drives a Z1 / Z2 shaft ball screw, and independent control over the double spindles in the vertical direction is completed. The workbench is provided with a hydraulic locking clamp matched with the outline, and it is guaranteed that workpieces are stably clamped. The vertical spindle box tool magazine and the horizontal spindle box tool magazine achieve automatic replacement of tools through a mechanical arm. Through cooperative machining of the double spindles and X / Y / Z1 / Z2 four-axis linkage interpolation control, the problems that traditional equipment is low in machining efficiency, tedious in procedure switching and insufficient in complex profile precision are solved, the machining device is suitable for efficient and high-precision machining of the long-span laser machine cross beam, the machining efficiency is improved by more than 30%, and the positioning precision reaches + / -0.005 mm.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing equipment technology, specifically relating to a laser machine beam vertical and horizontal dual-spindle multi-axis linkage drilling and milling processing equipment. Background Technology

[0002] With the development of the manufacturing industry, the requirements for machining equipment are becoming increasingly stringent, especially for the machining of complex-shaped workpieces, which requires equipment with high precision, high efficiency, and multi-functionality. Traditional drilling and milling equipment often only performs single vertical or horizontal machining, making it difficult to meet the multi-angle, multi-process machining needs of complex workpieces. Therefore, developing a drilling and milling machine that can simultaneously perform vertical and horizontal machining and achieve multi-axis linkage is of great significance. Summary of the Invention

[0003] The purpose of this invention is to provide a laser milling machine with a horizontal and vertical dual-spindle multi-axis linkage to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a vertical and horizontal dual-spindle multi-axis linkage drilling and milling machine for laser machine crossbeams, comprising a bed and a worktable fixed to the bed, wherein a laser machine crossbeam to be processed is mounted on the worktable, and further comprising:

[0005] The X-axis linear motion assembly includes an X-axis linear guide rail, an X-axis ball screw, and an X-axis servo motor that drives the X-axis ball screw, all arranged parallel to the sides of the bed.

[0006] The slide plate is slidably connected to the X-axis linear guide rail via a slider, and is driven by the X-axis ball screw to move along the X-axis direction;

[0007] The Y-axis linear motion assembly includes a Y-axis linear guide rail mounted on the slide, a Y-axis ball screw, and a Y-axis servo motor that drives the Y-axis ball screw.

[0008] The column is slidably connected to the Y-axis linear guide via a slider, and is driven to move along the Y-axis direction by the Y-axis ball screw;

[0009] A Z-axis linear guide rail is vertically mounted on the column;

[0010] The vertical spindle box and the horizontal spindle box are slidably connected to the Z-axis linear guide rail via sliders, respectively;

[0011] The Z1 axis ball screw and the Z2 axis ball screw are connected to the vertical spindle box and the horizontal spindle box, respectively;

[0012] The vertical spindle box servo motor and the horizontal spindle box servo motor drive the Z1 axis ball screw and the Z2 axis ball screw respectively, realizing the independent vertical movement of the vertical spindle box and the horizontal spindle box.

[0013] Preferably, the vertical spindle box and the horizontal spindle box are each equipped with an independent tool magazine, including a vertical spindle box tool magazine and a horizontal spindle box tool magazine;

[0014] The vertical spindle box tool magazine achieves automatic tool changing through a vertical spindle box tool magazine robot and a vertical spindle box robot motor that drives its rotation.

[0015] The horizontal spindle box tool magazine achieves automatic tool changing through a horizontal spindle box tool magazine robot and a horizontal spindle box robot motor that drives its rotation.

[0016] Preferably, the tool changing paths of the vertical spindle box tool magazine and the horizontal spindle box tool magazine do not interfere with each other, and the tool magazine capacity is 21 tools.

[0017] Preferably, the X-axis linear guide, Y-axis linear guide, and Z-axis linear guide are all high-rigidity roller linear guides.

[0018] Preferably, it also includes a multi-axis linkage control system electrically connected to the X-axis servo motor, Y-axis servo motor, vertical spindle box servo motor, and horizontal spindle box servo motor to realize synchronous interpolation motion of four axes: X / Y / Z1 / Z2.

[0019] Preferably, the worktable surface is provided with a positioning fixture that matches the profile of the laser machine beam, and the fixture is integrated with a hydraulic locking device.

[0020] The technical effects and advantages of this utility model are as follows:

[0021] 1. With independently driven vertical and horizontal spindle boxes, the equipment can simultaneously perform vertical drilling, milling and horizontal side machining, avoiding the drawbacks of traditional single-spindle equipment that requires frequent tool changes or workpiece angle adjustments, thus improving processing efficiency by more than 30%; the dual spindles are independently controlled, supporting multi-process parallel machining, and are especially suitable for machining multi-angle holes and complex surfaces on the crossbeam of laser machine.

[0022] 2. The four-axis linkage control system enables synchronous interpolation motion, allowing continuous trajectory machining in three-dimensional space with a positioning accuracy of ±0.005mm, meeting the machining requirements of high-precision laser machine beams; each axis linear motion component adopts high-rigidity roller linear guides, combined with servo motor closed-loop control, effectively suppressing vibration and deformation, ensuring stable and reliable machining process.

[0023] 3. The vertical spindle box tool magazine and the horizontal spindle box tool magazine are independently configured, and the tool changing is automatically achieved through the robotic arm and drive motor. The tool changing time is ≤3 seconds, and the tool changing paths of the two tool magazines do not interfere with each other, avoiding processing interruption. The tool magazine has a capacity of 21 tools and supports flexible use of various tool combinations to meet the diverse processing needs of the laser machine beam.

[0024] 4. The contour matching positioning fixture on the worktable, in conjunction with the hydraulic locking device, can quickly position and rigidly clamp the laser machine beam, with a clamping force of over 5000N, preventing workpiece displacement or vibration during processing and ensuring consistent surface quality.

[0025] 5. The X / Y / Z axis motion components adopt a modular layout, which facilitates disassembly, maintenance or upgrades. The multi-axis linkage control system is compatible with open CNC protocols and supports subsequent process parameter optimization or function expansion. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of this utility model;

[0027] Figure 2 This is a side view of the present invention;

[0028] Figure 3 This is the front view of the present invention.

[0029] In the diagram: 1-Bed, 2-Worktable, 3-Laser machine crossbeam, 4-X-axis linear guide, 5-X-axis ball screw, 6-X-axis servo motor, 7-Slide, 8-Y-axis linear guide, 9-Y-axis servo motor, 10-Column, 11-Y-axis ball screw, 12-Vertical spindle box, 13-Horizontal spindle box, 14-Z-axis linear guide, 15-Z1-axis ball screw, 16-Vertical spindle box servo motor, 17-Horizontal spindle box servo motor, 18-Horizontal spindle box tool magazine, 19-Vertical spindle box tool magazine, 20-Z2-axis ball screw, 21-Vertical spindle box tool magazine robot, 22-Vertical spindle box robot motor, 23-Horizontal spindle box tool magazine robot, 24-Horizontal spindle box robot motor. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] like Figures 1-3This invention illustrates a specific embodiment of a laser milling machine with a vertical and horizontal dual-spindle multi-axis linkage, comprising a bed, worktable, laser milling machine beam, X-axis linear guide, X-axis ball screw, X-axis servo motor, slide, Y-axis linear guide, Y-axis servo motor, Y-axis ball screw, column, vertical spindle box, horizontal spindle box, Z-axis linear guide, Z1-axis ball screw, Z2-axis ball screw, vertical spindle box servo motor, horizontal spindle box servo motor, vertical spindle box tool magazine, horizontal spindle box tool magazine, vertical spindle box tool magazine robot arm and motor, and horizontal spindle box tool magazine robot arm and motor, etc., with the specific structure as follows:

[0032] Bed: Serves as the supporting foundation for the entire equipment, ensuring the stable installation and operation of all components;

[0033] Worktable: Locked and fixed to the bed, used to install the laser machine beam to be processed;

[0034] X-axis linear guide and ball screw: mounted on the bed, the ball screw is driven to rotate by the X-axis servo motor, which drives the slide to move left and right along the X-axis direction to realize the horizontal feeding of the workpiece;

[0035] Y-axis linear guide and ball screw: mounted on the slide, the ball screw is driven to rotate by the Y-axis servo motor, which drives the column to move back and forth along the Y-axis, so as to realize the feeding of the workpiece on the vertical and horizontal plane;

[0036] Z-axis linear guide: mounted on the column, used to support the vertical movement of vertical and horizontal spindle boxes;

[0037] Vertical and horizontal spindle boxes: They are respectively mounted on the Z-axis linear guide rail, and are driven by their respective servo motors to rotate the corresponding ball screws, thereby realizing the vertical movement of the spindle box and completing the drilling and milling process;

[0038] Tool magazine and robotic arm: Vertical and horizontal spindle box tool magazines store tools separately. The robotic arms are driven by their respective motors to rotate, realizing the installation and removal of tools, improving processing efficiency and automation.

[0039] Basic installation

[0040] Fix the bed 1 to the foundation, ensuring that the levelness error is ≤0.02mm / m.

[0041] The worktable 2 is bolted to the bed 1, and its surface is integrated with a hydraulic locking clamp for fixing the laser machine crossbeam 3, with a clamping force ≥5000N;

[0042] Motion component calibration

[0043] Adjust the parallelism and perpendicularity of the X / Y / Z axis linear guides using a laser interferometer to ensure that the positioning accuracy of each axis is ≤ ±0.005mm;

[0044] The linkage response of X-axis servo motor 6 and Y-axis servo motor 9 was tested, and the interpolation motion trajectory was optimized through the multi-axis linkage control system.

[0045] Processing flow implementation:

[0046] Workpiece clamping and positioning

[0047] Place the laser machine beam 3 into the contour matching fixture of the worktable 2, activate the hydraulic locking device, and monitor the clamping stability through the pressure sensor;

[0048] Use a contact probe to align the workpiece to the reference surface and compensate for the workpiece coordinate system offset;

[0049] Dual-spindle collaborative machining

[0050] Machining of vertical spindle box 12:

[0051] Use the drill bit in tool magazine 19 of the vertical spindle box to drill a hole in the top surface of the crossbeam (hole diameter Φ5-Φ20mm). Cutting parameters: spindle speed 2000-5000rpm, feed rate 200-800mm / min; switch to end mill to complete plane milling, surface roughness Ra≤1.6μm.

[0052] Machining of horizontal spindle box 13:

[0053] The side milling cutter in the tool magazine 18 of the horizontal spindle box is used to machine the groove on the side wall of the crossbeam. A layered milling strategy is adopted, and the depth of cut in a single cut is ≤0.5mm. The Z1 / Z2 axis servo motors are controlled synchronously to realize independent vertical feed of the two spindles and avoid machining interference.

[0054] Multi-axis linkage complex machining:

[0055] The machining of the helical groove on the inclined surface of the crossbeam is completed through four-axis linkage (X / Y / Z1 / Z2), with an interpolation motion trajectory error ≤0.01mm. During machining, the spindle load is monitored in real time, and the feed rate is dynamically adjusted to prevent tool overload and breakage.

[0056] Automatic tool changing operation

[0057] Tool changing procedure:

[0058] The vertical spindle box tool magazine robot 21 grasps new tools by rotating, with a tool change time of ≤3 seconds and a tool magazine capacity of 21 tools, supporting multiple types of tools such as drills, end mills, and taps; the horizontal spindle box tool magazine 18 has a separate tool change path from the vertical tool magazine to avoid collisions between the robot and the tool magazine.

[0059] Tool life management

[0060] Based on machining time and cutting force data, the system automatically prompts for tool change cycles, reducing machining defects caused by tool wear.

[0061] Machining accuracy and stability control

[0062] A closed-loop optical grating ruler is used to provide feedback on the position of each axis, combined with a temperature sensor to compensate for thermal deformation errors, ensuring stable machining accuracy over long periods; high-rigidity roller linear guides suppress vibration, with amplitude ≤5μm during cutting;

[0063] After machining, a coordinate measuring machine is used to check the key dimensions of the crossbeam (such as hole spacing and slot width), and the tolerance is controlled within IT7 grade.

[0064] Implementation effect verification:

[0065] Machining efficiency: Dual-spindle collaborative machining reduces processing time by 35% compared to traditional single-spindle equipment;

[0066] Precision compliance rate: Hole position accuracy pass rate ≥ 99.5%, surface roughness pass rate 100%;

[0067] Tool changing reliability: No tool changing failures after 200 hours of continuous machining.

[0068] The applicant further declares that while the above embodiments illustrate the implementation method and apparatus structure of this utility model, this utility model is not limited to the above-described embodiments, meaning that this utility model must rely on the above methods and structures to be implemented. Those skilled in the art should understand that any improvements to this utility model, equivalent substitutions for the selected implementation methods, additions of steps, and selection of specific methods all fall within the protection and disclosure scope of this utility model.

[0069] This utility model is not limited to the above-described embodiments. All methods that use similar structures and methods to achieve the purpose of this utility model are within the protection scope of this utility model.

Claims

1. A vertical and horizontal dual-spindle multi-axis linkage drilling and milling machine for laser machine crossbeams, comprising a bed (1) and a worktable (2) fixed on the bed (1), wherein the worktable (2) is used to mount the laser machine crossbeam (3) to be processed, characterized in that, Also includes: The X-axis linear motion assembly includes an X-axis linear guide rail (4) parallel to both sides of the bed (1), an X-axis ball screw (5), and an X-axis servo motor (6) that drives the X-axis ball screw (5). The slide plate (7) is slidably connected to the X-axis linear guide (4) via a slider, and is driven by the X-axis ball screw (5) to move along the X-axis direction; The Y-axis linear motion assembly includes a Y-axis linear guide (8) mounted on a slide plate (7), a Y-axis ball screw (11), and a Y-axis servo motor (9) that drives the Y-axis ball screw (11). The column (10) is slidably connected to the Y-axis linear guide (8) via a slider, and is driven by the Y-axis ball screw (11) to move along the Y-axis direction; Z-axis linear guide (14) is vertically mounted on column (10); The vertical spindle box (12) and the horizontal spindle box (13) are slidably connected to the Z-axis linear guide rail (14) by sliders respectively; The Z1 axis ball screw (15) and the Z2 axis ball screw (20) are respectively connected to the vertical spindle box (12) and the horizontal spindle box (13); The vertical spindle box servo motor (16) and the horizontal spindle box servo motor (17) drive the Z1 axis ball screw (15) and the Z2 axis ball screw (20) respectively, so as to realize the independent vertical movement of the vertical spindle box (12) and the horizontal spindle box (13).

2. The laser milling machine with vertical and horizontal dual-spindle multi-axis linkage as described in claim 1, characterized in that, The vertical spindle box (12) and the horizontal spindle box (13) are each equipped with an independent tool magazine, including a vertical spindle box tool magazine (19) and a horizontal spindle box tool magazine (18). The vertical spindle box tool magazine (19) achieves automatic tool replacement through the vertical spindle box tool magazine robot (21) and the vertical spindle box robot motor (22) that drives its rotation; The horizontal spindle box tool magazine (18) achieves automatic tool changing through the horizontal spindle box tool magazine robot (23) and the horizontal spindle box robot motor (24) that drives its rotation.

3. The laser milling machine with vertical and horizontal dual-spindle multi-axis linkage as described in claim 2, characterized in that, The tool changing paths of the vertical spindle box tool magazine (19) and the horizontal spindle box tool magazine (18) do not interfere with each other, and the tool magazine capacity is 21 tools.

4. The laser milling machine with vertical and horizontal dual-spindle multi-axis linkage as described in claim 1, characterized in that, The X-axis linear guide (4), Y-axis linear guide (8), and Z-axis linear guide (14) are all high-rigidity roller linear guides.

5. The laser milling machine with vertical and horizontal dual-spindle multi-axis linkage as described in claim 1, characterized in that: It also includes a multi-axis linkage control system electrically connected to the X-axis servo motor (6), Y-axis servo motor (9), vertical spindle box servo motor (16), and horizontal spindle box servo motor (17) to realize synchronous interpolation motion of four axes X / Y / Z1 / Z2.

6. The laser milling machine with vertical and horizontal dual-spindle multi-axis linkage as described in claim 1, characterized in that: The workbench (2) is provided with a positioning fixture that matches the contour of the laser machine beam (3), and the fixture is equipped with a hydraulic locking device.

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