Multi-spindle numerical control machining center
The multi-axis CNC machining center addresses inefficiencies in stand-alone vertical CNC machines by enabling simultaneous processing of four parts, doubling efficiency and reducing costs through a compact, multi-axis design with servo-driven tool heads.
Patent Information
- Application Number
- CN202421697051.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The existing vertical CNC machining center has low processing efficiency and high production costs in one clamping situation, which requires improved efficiency and reduced costs.
A multi-spindle CNC machining center is designed, which adopts a structure composed of Y-axis bed body assembly, column assembly, X-axis slip saddle assembly, workbench assembly and four spindle boxes. Multi-axis coordinated movement is achieved through servo motor and screw transmission, and four parts are simultaneously processed.
Without increasing the footprint, the processing efficiency is twice as high as the production cost is reduced, and it is suitable for high-speed wheel hub processing.
Smart Images

Figure CN223098615U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical manufacturing, in particular to a multi-spindle CNC machining center. Background Art
[0002] By installing tools with different uses on the tool magazine, the CNC machining center can change the machining tool on the spindle through the automatic tool changer in one clamping, realizing various machining functions. It has high machining accuracy, can complete many machinings that cannot be completed by ordinary equipment, and is more suitable for single-piece machining or small and medium batch multi-variety production with complex shapes and high precision requirements.
[0003] At present, the general vertical CNC machining center mainly processes 1-2 parts in one clamping. Under the premise of the same floor area, the machining efficiency is relatively low, and the corresponding production cost is also high. Therefore, it is necessary to further improve the machining efficiency and reduce the production cost on the basis of the same floor area. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is: in order to overcome the deficiencies in the prior art, the utility model provides a multi-spindle CNC machining center that can effectively improve work efficiency and reduce production costs.
[0005] The technical solution adopted by the utility model to solve its technical problems is: a multi-spindle CNC machining center, which has a Y-axis bed component. A column component is installed in the middle of the Y-axis bed component. X-axis saddle components that can move in the Y-axis direction on the Y-axis guide rails of the Y-axis bed component are respectively installed on the Y-axis bed components on both sides of the column component. A workbench component that can move in the X-axis direction is installed on the X-axis saddle component. Two sets of spindle box components arranged side by side are respectively installed on the left and right side surfaces of the column component. The spindle box component can move up and down along the column component in the Z-axis direction, and the spindle box component has a spindle that rotates at high speed.
[0006] Servo motors corresponding to the spindle box components are respectively installed on the left and right side surfaces of the column component, and the servo motors drive the spindle box components to move up and down through a lead screw transmission component.
[0007] The beneficial effect of the utility model is: the utility model consists of two X-axes, two Y-axes, four Z-axes and four spindles to form a set of high-speed hub processing special machine, which can process four parts simultaneously in one clamping. The overall floor area is small, and the machining efficiency is twice that of the conventional machining center, reducing the production cost. Brief Description of the Drawings
[0008] The following further illustrates the utility model in conjunction with the drawings and embodiments.
[0009] Figure 1 It is a structural schematic diagram of the utility model.
[0010] In the figure: 1. Y-axis bed assembly, 2. column assembly, 3. X-axis slide saddle assembly, 4. worktable assembly, 5. axle box assembly, 6. servo motor, 7. screw drive assembly, 8. Y guide rail, 9. Z guide rail, 10. X guide rail. DETAILED DESCRIPTION
[0011] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0012] like Figure 1 A multi-spindle CNC machining center shown in the figure is used for processing high-speed wheel hubs, and has a Y-axis bed assembly 1, on which a Y-guide rail 8 is installed, a gantry-type column assembly 2 is fixed in the middle of the Y-axis bed assembly 1, and X-axis saddle assemblies 3 are respectively installed on the Y-axis bed assembly 1 on both sides of the column assembly 2, and the X-axis saddle assembly 3 can move in the Y direction on the Y guide rail 8.
[0013] The X-axis saddle assembly 3 is provided with an X-guide rail 10 , on which a workbench assembly 4 movable in the X-axis direction is slidably mounted, and the high-speed wheel hub to be processed is mounted on the workbench assembly 4 .
[0014] Two groups of Z-guide rails 9 arranged side by side are respectively installed on the left and right side surfaces of the column assembly 2, and a spindle box assembly 5 is slidably installed on each group of Z-guide rails 9. Servo motors 6 are respectively installed on the two side surfaces of the upper end of the column assembly 2. Each servo motor 6 corresponds to a spindle box assembly 5. A spindle for high-speed rotation is arranged inside the spindle box assembly 5. The servo motor 6 drives the spindle box assembly 5 to move up and down in the Z-axis direction through the screw transmission assembly 7.
[0015] The screw drive assembly 7 includes a screw nut installed on the inner side of the spindle box assembly 5 and a screw rotatably installed on the side of the column assembly 2. The servo motor 6 drives the screw to drive the spindle box assembly 5 to move up and down.
[0016] The utility model arranges a set of X-axis sliding saddle assemblies 3 on the Y-axis bed assemblies on both sides of the column assembly 2, and arranges two sets of spindle box assemblies 5 on both side surfaces of the column assembly 2, thereby forming a high-speed hub processing machine composed of two X-axes, two Y-axes, four Z-axes and four spindles, thereby four parts can be processed simultaneously in one clamping, the overall footprint is small, the processing efficiency is twice that of a conventional machining center, and the production cost is reduced.
[0017] Based on the above-mentioned ideal embodiments of the present utility model as inspiration, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A multi-spindle CNC machining center, having a Y-axis bed component (1), characterized in that: The middle part of the Y-axis bed component (1) is equipped with a column component (2). On the Y-axis bed component (1) on both sides of the column component (2), X-axis saddle components (3) that can move in the Y-axis direction on the Y-direction guide rail (8) of the Y-axis bed component (1) are respectively installed. A workbench component (4) that can move in the X-axis direction is installed on the X-axis saddle component (3). On the left and right side surfaces of the column component (2), two sets of main spindle box components (5) arranged side by side are respectively installed. The main spindle box component (5) can move up and down along the column component (2). The main spindle box component (5) has a main spindle that rotates at high speed.
2. The multi-spindle CNC machining center according to claim 1, characterized in that: Servo motors (6) corresponding to the main spindle box components (5) are respectively installed on the left and right side surfaces of the column component (2). The servo motors (6) drive the main spindle box components (5) to move up and down through a lead screw transmission component (7).