Five-axis direct-drive engraving and milling equipment

Abstract

The utility model is applicable to the technical field of engraving and milling equipment, and provides five-axis direct-drive engraving and milling equipment which comprises a machine table, and a workbench used for bearing a product and a cutter used for machining the product are arranged on the machine table. The cutter is driven by the X-axis direct-drive assembly, the Y-axis direct-drive assembly and the Z-axis direct-drive assembly to move in three-axis linear positions in the X-axis direction, the Y-axis direction and the Z-axis direction, and the workbench can rotate in the two-axis direction under the cooperation of the A-axis rotating assembly and the C-axis rotating assembly. According to the scheme, the machining position is adjusted through movement of the cutter and rotation of the workbench, the structure is simple, the machining efficiency is high, the X-axis direct-drive assembly, the Y-axis direct-drive assembly and the Z-axis direct-drive assembly are all driven by linear motors, and the machining precision is high. The A-axis rotating assembly and the C-axis rotating assembly are driven by DD motors, mechanical abrasion is avoided, and the machining precision is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of precision engraving equipment, and specifically relates to a five-axis direct-drive precision engraving equipment. Background Art

[0002] Five-axis precision engraving machines generally have three linear axes (X, Y and Z axes) and two rotary axes (A and C axes). Through the combined movement of these five axes, the tool can perform three-dimensional movement in multiple directions. Currently, five-axis precision engraving equipment on the market usually uses screw transmission to achieve the movement of the three linear axes (X, Y and Z axes), while the A and C axes of the AC axis use gear transmission to achieve rotational movement. All five drive axes act on the tool, making the power transmission structure more complicated, and the transmission method using screws and gears is not accurate, making it difficult to ensure product processing quality. Utility Model Content

[0003] The purpose of the utility model is to overcome the disadvantage that the five drive shafts in the prior art all act on the tool, making the power transmission structure more complicated, and provide a five-axis direct-drive precision engraving device.

[0004] The utility model is implemented as follows: a five-axis direct-drive precision engraving device, comprising a machine platform, a workbench for carrying products and a tool for processing products are arranged on the machine platform, the tool is arranged above the workbench, the tool is driven by a linear drive component to move toward the workbench, the linear drive component comprises an X-axis direct drive component, a Y-axis direct drive component and a Z-axis direct drive component, the X-axis direct drive component, the Y-axis direct drive component and the Z-axis direct drive component are mutually connected and matched in pairs;

[0005] The workbench is connected to a rotary drive assembly for adjusting the product processing angle. The rotary drive assembly includes an A-axis rotation assembly and a C-axis rotation assembly. The A-axis rotation assembly and the C-axis rotation assembly are matched with each other through a connecting assembly.

[0006] Furthermore, the Y-axis direct drive component is connected to the machine platform, the X-axis direct drive component is arranged on the Y-axis direct drive component, the Z-axis direct drive component is arranged on the X-axis direct drive component, and the tool is arranged on the Z-axis direct drive component.

[0007] Furthermore, the Y-axis direct-drive component includes a Y-axis linear motor arranged along the Y-axis direction, and the Y-axis linear motor is arranged on a first bracket protruding on the machine platform. The X-axis direct-drive component includes an X-axis linear motor arranged along the X-axis direction, and the X-axis linear motor is arranged on the output shaft of the Y-axis linear motor. The Z-axis direct-drive component includes a Z-axis linear motor arranged along the Z-axis direction, and the Z-axis linear motor is arranged on the output shaft of the X-axis linear motor. The tool is arranged on the output shaft of the Z-axis linear motor.

[0008] Furthermore, the A-axis rotating assembly is arranged on the machine platform via a second bracket, the C-axis rotating assembly is connected to the A-axis rotating assembly via the connecting assembly, and the workbench is arranged on the C-axis rotating assembly.

[0009] Furthermore, the A-axis rotating assembly includes a first DD motor, the output shaft of which rotates around the X-axis as the rotation axis, and the C-axis rotating assembly includes a second DD motor, the output shaft of which rotates around the Z-axis as the rotation axis.

[0010] Furthermore, one end of the connecting component is connected to the output shaft of the first DD motor, and the other end is connected to the body of the second DD motor, and the workbench is arranged on the output shaft of the second DD motor.

[0011] Furthermore, two Y-axis linear motors are provided, each of which is connected to one of the first brackets, and both ends of the X-axis linear motor are connected to an output shaft of one of the Y-axis linear motors.

[0012] Furthermore, two of the first DD motors are provided, each of the first DD motors is connected to one of the second brackets, the second DD motor is provided between the two first DD motors, and the second DD motor and each of the first DD motors are connected via one of the connecting components.

[0013] The utility model provides a five-axis direct-drive precision engraving equipment. The tool realizes three-axis linear position movement in the directions of X, Y and Z axes under the drive of the X-axis direct-drive component, the Y-axis direct-drive component and the Z-axis direct-drive component, and the worktable can realize rotation in the directions of two axes under the cooperation of the A-axis rotation component and the C-axis rotation component, which replaces the disadvantage of the prior art that the processing is only carried out by the movement of the tool, making the entire power transmission structure complicated. The present solution adjusts the processing position by the movement of the tool and the rotation of the worktable, has a simple structure, and has high processing efficiency while ensuring processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] The following drawings are only intended to illustrate and explain the present invention, and are not intended to limit the scope of the present invention.

[0016] Figure 1 It is a structural schematic diagram provided by the utility model.

[0017] Figure 2 It is a schematic structural diagram of the cooperation between the tool, the X-axis direct drive assembly, the Y-axis direct drive assembly and the Z-axis direct drive assembly in the utility model.

[0018] Figure 3 It is a structural schematic diagram of the cooperation between the workbench, the A-axis rotating assembly and the C-axis rotating assembly in the utility model.

[0019] Explanation of the accompanying drawings: 1. Machine; 11. First bracket; 12. Second bracket; 2. Workbench; 3. Tool; 4. X-axis direct drive assembly; 5. Y-axis direct drive assembly; 6. Z-axis direct drive assembly; 7. A-axis rotation assembly; 8. C-axis rotation assembly; 9. Connection assembly. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] See also Figure 1-Figure 3 , is a five-axis direct-drive precision engraving equipment disclosed in the utility model, including a machine platform 1, on which is provided a workbench 2 for carrying products and a tool 3 for processing products. For the convenience of processing, the tool 3 is preferably arranged above the workbench 2.

[0022] The tool 3 is driven by a linear drive assembly to move toward the workbench 2. Figure 2 As shown, the linear drive assembly includes an X-axis direct drive assembly 4, a Y-axis direct drive assembly 5 and a Z-axis direct drive assembly 6, wherein the X-axis direct drive assembly 4, the Y-axis direct drive assembly 5 and the Z-axis direct drive assembly 6 are mutually connected and cooperated, and the tool 3 is connected to one of the X-axis direct drive assembly 4, the Y-axis direct drive assembly 5 or the Z-axis direct drive assembly 6 to drive the tool 3 to move on the X-axis, Y-axis and Z-axis. In this embodiment, it is preferred that the Y-axis direct drive assembly 5 is connected to the machine table 1, the X-axis direct drive assembly 4 is arranged on the Y-axis direct drive assembly 5, the Z-axis direct drive assembly 6 is arranged on the X-axis direct drive assembly 4, and the tool 3 is arranged on the Z-axis direct drive assembly 6, wherein the X-axis direct drive assembly 4 and the Y-axis direct drive assembly 5 can drive the tool 3 to move linearly in the horizontal direction, and the Z-axis direct drive assembly 6 can drive the tool 3 to move linearly in the vertical direction.

[0023] Specifically, the machine table 1 is provided with a raised first bracket 11, the Y-axis direct drive component 5 includes a Y-axis linear motor arranged along the Y-axis direction, specifically, the Y-axis linear motor is arranged on the first bracket 11, the X-axis direct drive component 4 includes an X-axis linear motor arranged along the X-axis direction, and the X-axis linear motor is arranged on the output shaft of the Y-axis linear motor, the Z-axis direct drive component 6 includes a Z-axis linear motor arranged along the Z-axis direction, and the Z-axis linear motor is arranged on the output shaft of the X-axis linear motor, and the tool 3 is arranged on the output shaft of the Z-axis linear motor. That is, when the Y-axis linear motor is started, it can directly and simultaneously drive the X-axis linear motor, the Z-axis linear motor and the tool 3 to move horizontally along the direction of the Y-axis, and when the X-axis linear motor is started, it can simultaneously drive the Z-axis linear motor and the tool 3 to move horizontally along the direction of the X-axis, and finally, when the Z-axis linear motor is started, it can directly drive the tool 3 to move vertically along the direction of the Z-axis. In summary, the tool 3 realizes three-axis linear position movement in the X-axis, Y-axis and Z-axis directions under the driving cooperation of the X-axis direct drive component 4, the Y-axis direct drive component 5 and the Z-axis direct drive component 6, and the X-axis direct drive component 4, the Y-axis direct drive component 5 and the Z-axis direct drive component 6 all adopt the driving method of linear motors, replacing the screw drive method used in the prior art, without mechanical wear, and has performance advantages in high precision, high speed, high acceleration, etc., which is beneficial to improve the positioning accuracy of the tool 3.

[0024] In addition, in order to maintain the moving stability of the X-axis linear motor and not affect the moving range of the tool 3 on the X-axis, two Y-axis linear motors are provided, each of the Y-axis linear motors is connected to one of the first brackets 11, and both ends of the X-axis linear motor are connected to an output shaft of the Y-axis linear motor, so that the X-axis linear motor has two support points to ensure the stability of the X-axis linear motor when moving along the Y-axis direction.

[0025] The workbench 2 is connected to a rotary drive assembly for adjusting the product processing angle, such as Figure 3 As shown, the rotary drive assembly includes an A-axis rotation assembly 7 and a C-axis rotation assembly 8, and the A-axis rotation assembly 7 and the C-axis rotation assembly 8 are matched with each other through a connecting assembly 9. In this embodiment, it is preferred that the A-axis rotation assembly 7 is arranged on the machine table 1 through a second bracket 12, the C-axis rotation assembly 8 is connected to the A-axis rotation assembly 7 through the connecting assembly 9, and the workbench 2 is arranged on the C-axis rotation assembly 8. The A-axis rotation assembly 7 specifically drives the workbench 2 to rotate with the X-axis as the rotation axis, and the C-axis rotation assembly 8 drives the workbench 2 to rotate with the Z-axis as the rotation axis, so that the product to be processed can be adjusted in angle according to the processing requirements, and cooperate with the movement of the tool 3 to complete the product processing.

[0026] Specifically, the A-axis rotating assembly 7 includes a first DD motor, and the output shaft of the first DD motor rotates with the X-axis as the rotating axis. The C-axis rotating assembly 8 includes a second DD motor, and the output shaft of the second DD motor rotates with the Z-axis as the rotating axis. One end of the connecting assembly 9 is connected to the output shaft of the first DD motor, and the other end is connected to the body of the second DD motor. The workbench 2 is arranged on the output shaft of the second DD motor. When the output shaft of the first DD motor is started to rotate, the connecting assembly 9 is driven to rotate, that is, the second DD motor and the workbench 2 can be driven to rotate with the X-axis as the rotating axis at the same time. At the same time, the driving of the second DD motor can directly drive the workbench 2 to rotate with the Z-axis as the rotating axis, that is, the workbench 2 can realize rotation in two axial directions under the cooperative driving of the A-axis rotating assembly 7 and the C-axis rotating assembly 8. More preferably, the A-axis rotating assembly 7 and the C-axis rotating assembly 8 are both driven by DD motors, replacing the transmission method of the prior art that uses gear transmission to achieve rotational motion, thereby eliminating the reducer, gear box, pulley and other connecting mechanisms, further simplifying the transmission structure, reducing the positioning error caused by the mechanical structure, and making the angle adjustment accuracy of the workbench 2 high, thereby ensuring the processing accuracy of the product.

[0027] Furthermore, in order to more stably drive the second DD motor and the workbench 2 to rotate with the X-axis as the rotation axis at the same time, two first DD motors are provided, each of the first DD motors is connected to a second bracket 12, the second DD motor is provided between the two first DD motors, and the second DD motor and each of the first DD motors are connected through a connecting component 9.

[0028] To sum up, this solution specifically adjusts the processing position through the three-axis linear position movement of the tool 3 in the X-axis, Y-axis and Z-axis directions and the two-axis rotation of the worktable 2 on the A-axis and C-axis, so that the tool 3 can adapt to the processing requirements to perform precision carving operations on the product located on the worktable 2, and the simultaneous movement of the tool 3 and the worktable 2 can further improve the processing efficiency while ensuring the processing accuracy.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A five-axis direct-drive precision engraving device, comprising a machine platform (1), wherein the machine platform (1) is provided with a workbench (2) for carrying a product and a tool (3) for processing the product, wherein: The tool (3) is arranged above the workbench (2), and the tool (3) is driven by a linear drive component to move toward the workbench (2), and the linear drive component comprises an X-axis direct drive component (4), a Y-axis direct drive component (5) and a Z-axis direct drive component (6), and the X-axis direct drive component (4), the Y-axis direct drive component (5) and the Z-axis direct drive component (6) are connected and coordinated with each other in pairs; The workbench (2) is connected to a rotary drive assembly for adjusting the product processing angle, the rotary drive assembly comprising an A-axis rotation assembly (7) and a C-axis rotation assembly (8), and the A-axis rotation assembly (7) and the C-axis rotation assembly (8) are matched via a connecting assembly (9).

2. A five-axis direct-drive precision engraving device according to claim 1, characterized in that: The Y-axis direct drive component (5) is connected to the machine platform (1), the X-axis direct drive component (4) is arranged on the Y-axis direct drive component (5), the Z-axis direct drive component (6) is arranged on the X-axis direct drive component (4), and the tool (3) is arranged on the Z-axis direct drive component (6).

3. A five-axis direct-drive precision engraving device according to claim 2, characterized in that: The Y-axis direct drive component (5) includes a Y-axis linear motor arranged along the Y-axis direction, and the Y-axis linear motor is arranged on a first bracket (11) protruding on the machine table (1); the X-axis direct drive component (4) includes an X-axis linear motor arranged along the X-axis direction, and the X-axis linear motor is arranged on the output shaft of the Y-axis linear motor; the Z-axis direct drive component (6) includes a Z-axis linear motor arranged along the Z-axis direction, and the Z-axis linear motor is arranged on the output shaft of the X-axis linear motor; and the tool (3) is arranged on the output shaft of the Z-axis linear motor.

4. The five-axis direct-drive precision engraving equipment according to claim 1, characterized in that: The A-axis rotating assembly (7) is arranged on the machine platform (1) via a second bracket (12), the C-axis rotating assembly (8) is connected to the A-axis rotating assembly (7) via the connecting assembly (9), and the workbench (2) is arranged on the C-axis rotating assembly (8).

5. The five-axis direct-drive precision engraving equipment according to claim 4 is characterized in that: The A-axis rotating assembly (7) includes a first DD motor, the output shaft of which rotates with the X-axis as the rotation axis, and the C-axis rotating assembly (8) includes a second DD motor, the output shaft of which rotates with the Z-axis as the rotation axis.

6. A five-axis direct-drive precision engraving device according to claim 5, characterized in that: One end of the connecting component (9) is connected to the output shaft of the first DD motor, and the other end is connected to the body of the second DD motor. The workbench (2) is arranged on the output shaft of the second DD motor.

7. The five-axis direct-drive precision engraving equipment according to claim 3, characterized in that: Two Y-axis linear motors are provided, each of which is connected to one of the first brackets (11), and both ends of the X-axis linear motor are connected to an output shaft of one of the Y-axis linear motors.

8. The five-axis direct-drive precision engraving equipment according to claim 6, characterized in that: There are two first DD motors, each of which is connected to one second bracket (12). The second DD motor is arranged between the two first DD motors, and the second DD motor and each of the first DD motors are connected via one connecting assembly (9).

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