Five-axis machining equipment with cradle rotary table
By designing five-axis machining equipment with cradle turntable, the problems of low efficiency and low accuracy of traditional three-axis CNC machining centers are solved, and more efficient and higher precision machining effects are achieved.
Patent Information
- Application Number
- CN202421959908.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-08-13
AI Technical Summary
Traditional three-axis CNC machining centers have problems such as low processing efficiency, multiple clamping, and inability to ensure accuracy, which is difficult to meet the requirements of high-end digital control manufacturing.
A five-axis processing equipment with a cradle rotary table was designed. Through the linkage of the bridge-type gantry frame and the X, Y, and Z axis linear guide rail components, the rotation of the A and C axis is achieved, and the processing accuracy and efficiency are improved.
Effectively improves processing efficiency and processing quality, the design of the cradle rotary table makes the workpiece loading and unloading more convenient and the operation is more convenient.
Smart Images

Figure CN222920029U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of multi-axis linkage numerical control, and particularly relates to a five-axis machining device with a cradle turntable. Background Technique
[0002] As the "industrial mother machine" of the equipment manufacturing industry, multi-axis linkage numerical control technology is one of the important criteria for measuring the technical level of a country's complex precision part manufacturing ability. Traditional three-axis CNC machining centers have problems such as low machining efficiency, the need for multiple clamping, and inability to guarantee accuracy, making it difficult to meet the requirements of high-end numerical control manufacturing. Content of the Utility Model
[0003] In order to solve the problems existing in the above-mentioned prior art, the utility model designs a five-axis machining device with a cradle turntable, which effectively improves the machining efficiency and machining accuracy. The specific technical solutions are as follows:
[0004] A five-axis machining device with a cradle turntable includes: a base, a workbench is installed on the top of the base, symmetrically arranged X-axis slide rails are installed on the top of the workbench, an X-axis linear guide rail assembly is installed between the X-axis slide rails, the X-axis slide rails and the X-axis linear guide rail assembly are connected to a connection table, a cradle turntable is installed on the top of the connection table, protruding parts are symmetrically arranged on both sides of the base, columns are connected to the tops of the protruding parts, the tops of the columns are connected by a cross beam, a Y-axis slide rail is installed on one side of the cross beam, a Y-axis linear guide rail assembly is installed between the Y-axis slide rails, the Y-axis slide rails and the Y-axis linear guide rail assembly are connected to one side of a support plate, and the other side of the support plate is connected to a machine head through a Z-axis linear guide rail assembly.
[0005] Preferably, the cradle turntable includes: a front fixed seat, a rotary machining table, and a rear fixed seat. An A-axis bearing is installed in the front fixed seat, a transmission component is installed in the rear fixed seat, and the rotary machining table is connected to the A-axis bearing and the transmission component through a rocker arm respectively.
[0006] Furthermore, the connection table includes a front mounting block and a rear mounting block. The front fixed seat is installed on the top of the front mounting block, the rear fixed seat is installed on the top of the rear mounting block. A notch is provided in the middle of the connection table, inclined surfaces are provided on both the front and rear sides of the notch, and the bottom surface of the notch is inclined from the middle to both sides.
[0007] Furthermore, a C-axis servo component is installed in the rocker arm, and the C-axis servo component is connected to the rotary machining table.
[0008] Preferably, the X-axis linear guide rail assembly includes an X-axis lead screw, an X-axis lead screw nut seat is threadedly connected to the X-axis lead screw, and the X-axis lead screw nut seat is connected to the bottom of the connection table.
[0009] Preferably, the Y-axis linear guide assembly includes a Y-axis lead screw, on which a Y-axis lead screw nut seat is threadedly connected, and the Y-axis lead screw nut seat is connected to the bottom of the support plate.
[0010] Preferably, the Z-axis linear guide assembly includes a Z-axis lead screw, on which a Z-axis lead screw nut seat is threadedly connected, the Z-axis lead screw nut seat is connected to the machine head, and Z-axis slide rails are symmetrically arranged on one side of the machine head. The Z-axis slide rails are connected to the support plate through connecting sliders.
[0011] Preferably, steel shields are symmetrically installed at both ends of the workbench.
[0012] Preferably, workbench guards are provided on both sides of the connection table.
[0013] Furthermore, the front fixing seat and the rear fixing seat are bolted to the connection table.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] The present utility model adopts a bridge-type gantry frame to ensure the machining stability of the machine tool. The cradle turntable is integrated at the front end of the machine tool base. The rotary machining table and the transmission assembly realize the rotation of the A-axis and the C-axis, forming the basis for five-axis linkage with the X, Y, and Z-axis linear guide assemblies, effectively improving the machining efficiency and quality. At the same time, the design of the cradle turntable makes it more convenient to load and unload workpieces, and the operator can easily access the workpieces for loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The following further elaborates on the present utility model in detail in conjunction with the drawings and specific embodiments.
[0017] Figure 1 FIG. I is a schematic structural diagram of the five-axis machining equipment of the present utility model.
[0018] Figure 2 FIG. II is a schematic structural diagram of the five-axis machining equipment of the present utility model.
[0019] Figure 3 FIG. is a schematic structural diagram of the connection table of the present utility model.
[0020] Figure 4 FIG. is a schematic structural diagram of the cradle turntable of the present utility model.
[0021] In the figure: 1, base; 2, workbench; 3, X-axis slide rail; 4, X-axis linear guide rail assembly; 5, connecting table; 6, cradle turntable; 7, protrusion; 8, column; 9, cross beam; 10, Y-axis slide rail; 11, Y-axis linear guide rail assembly; 12, pallet; 13, Z-axis linear guide rail assembly; 14, machine head; 15, spindle unit; 201, steel plate guard; 501, front mounting block; 502, rear mounting block; 503, notch; 504, workbench guard plate; 601, front fixing seat; 602, rotary machining table; 603, rear fixing seat; 604, A-axis bearing; 605, transmission assembly; 606, rocker arm; 1101, Y-axis lead screw; 1401, Z-axis slide rail; 1402, connecting slider. Detailed implementation mode
[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present invention.
[0023] Refer to Figures 1 to 4 , an embodiment provided by the present invention is as follows:
[0024] A five-axis machining equipment with a cradle turntable, comprising: a base 1, a workbench 2 is installed on the top of the base 1, symmetrically arranged X-axis slide rails 3 are installed on the top of the workbench 2, an X-axis linear guide rail assembly 4 is installed between the X-axis slide rails 3, the X-axis slide rails 3 and the X-axis linear guide rail assembly 4 are connected to a connecting table 5, the X-axis linear guide rail assembly 4 includes an X-axis lead screw, an X-axis lead screw nut seat is threadedly connected to the X-axis lead screw, the X-axis lead screw nut seat is connected to the bottom of the connecting table 5, a cradle turntable 6 is installed on the top of the connecting table 5, protrusions 7 are symmetrically arranged on both sides of the base 1, the top of the protrusions 7 is connected to a column 8, the top of the column 8 is connected through a cross beam 9, a Y-axis slide rail 10 is installed on one side of the cross beam 9, a Y-axis linear guide rail assembly 11 is installed between the Y-axis slide rails 10, the Y-axis slide rails 10 and the Y-axis linear guide rail assembly 11 are connected to one side of a pallet 12, the Y-axis linear guide rail assembly 11 includes a Y-axis lead screw 1101, a Y-axis lead screw nut seat is threadedly connected to the Y-axis lead screw, the Y-axis lead screw nut seat is connected to the bottom of the pallet 12, the other side of the pallet 12 is connected to a machine head 14 through a Z-axis linear guide rail assembly 13, the Z-axis linear guide rail assembly 13 includes a Z-axis lead screw, a Z-axis lead screw nut seat is threadedly connected to the Z-axis lead screw, the Z-axis lead screw nut seat is connected to the machine head 14, symmetrically arranged Z-axis slide rails 1401 are provided on one side of the machine head 14, the Z-axis slide rails 1401 are connected to the pallet 12 through connecting sliders 1402, and a spindle unit 15 is installed in the machine head 14.
[0025] Preferably, the cradle turntable 6 includes a front fixing seat 601, a rotary machining table 602, and a rear fixing seat 603. An A-axis bearing 604 is installed in the front fixing seat 601, and a transmission component 605 is installed in the rear fixing seat 603. The rotary machining table 602 is respectively connected to the A-axis bearing 604 and the transmission component 605 through a rocker arm 606. A C-axis servo component is installed in the rocker arm 606, and the C-axis servo component is connected to the rotary machining table 602 to realize the independent rotary motion of the A-axis and the C-axis.
[0026] Further, the connection table 5 includes a front mounting block 501 and a rear mounting block 502. The front fixing seat 601 is mounted on the top of the front mounting block 501, and the rear fixing seat 603 is mounted on the top of the rear mounting block 502. The front fixing seat 601 and the rear fixing seat 603 are bolted to the connection table 5. A notch 503 is provided in the middle of the connection table. Tapered surfaces are provided on both the front and rear sides of the notch 503, and the bottom surface of the notch 503 is inclined from the middle to both sides, which is convenient for the discharge of iron filings during the machining process. At the same time, steel plate guards 201 are symmetrically installed at both ends of the workbench 2, and workbench guards 504 are provided on both sides of the connection table 5. The steel plate guards 201 adopt a symmetrical structure with the height gradually decreasing from the middle to both sides. Such a design enables the debris falling on the steel plate guards 201 to naturally slide to both sides under the action of gravity, further preventing the debris from entering the inside of the lead screw assembly. The workbench guards 504 are fixed to both sides of the workbench 2 by screws, further improving the integrity and stability of the equipment.
[0027] Working principle: Place the object to be machined on the rotary machining table 602. The C-axis servo component in the rocker arm 606 drives the rotary machining table 602 to rotate in the C-axis direction. The transmission component 605 drives the rocker arm 606 to rotate, and then drives the rotary machining table 602 to rotate in the A-axis direction. The X-axis linear guide rail assembly 4 drives the X-axis lead screw nut seat to reciprocate along the X-axis lead screw by rotating the X-axis lead screw. The X-axis lead screw nut seat then drives the connection table 5 to reciprocate horizontally along the X-axis slide rail 3. The Y-axis linear guide rail assembly 11 drives the Y-axis lead screw 1101 to rotate. The Y-axis lead screw 1101 drives the Y-axis lead screw nut seat to reciprocate along the Y-axis lead screw 1101. The Y-axis lead screw nut seat then drives the support plate 12 to reciprocate horizontally along the Y-axis slide rail 10. The Z-axis linear guide rail assembly 13 is the same as the X-axis linear guide rail assembly 4 and the Y-axis linear guide rail assembly 11, which will not be elaborated here. The Z-axis linear guide rail assembly 13 drives the machine head 14 to reciprocate vertically along the Z-axis slide rail 1401, and then drives the spindle unit 15 to machine the object to be machined.
[0028] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced by the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.
Claims
1. A five-axis machining equipment with a cradle turntable, characterized in that: include: A base (1) is provided with a workbench (2) on the top of the base (1), a symmetrically arranged X-axis slide rail (3) is provided on the top of the workbench (2), an X-axis linear guide assembly (4) is provided between the X-axis slide rails (3), the X-axis slide rail (3) and the X-axis linear guide assembly (4) are connected to a connecting platform (5), a cradle turntable (6) is provided on the top of the connecting platform (5), and protrusions (7) are symmetrically provided on both sides of the base (1), the protrusions (7) The top is connected to a column (8), the top of the column (8) is connected via a crossbeam (9), one side of the crossbeam (9) is provided with a symmetrically arranged Y-axis slide rail (10), a Y-axis linear guide assembly (11) is provided between the Y-axis slide rails (10), the Y-axis slide rail (10) and the Y-axis linear guide assembly (11) are connected to one side of a support plate (12), and the other side of the support plate (12) is connected to a machine head (14) via a Z-axis linear guide assembly (13).
2. The five-axis machining equipment with cradle turntable according to claim 1, characterized in that: The cradle turntable (6) comprises: a front fixed seat (601), a rotating processing platform (602), and a rear fixed seat (603); an A-axis bearing (604) is installed in the front fixed seat (601); a transmission assembly (605) is installed in the rear fixed seat (603); and the rotating processing platform (602) is respectively connected to the A-axis bearing (604) and the transmission assembly (605) via a rocker arm (606).
3. The five-axis machining equipment with cradle turntable according to claim 2, characterized in that: The connecting platform (5) comprises a front mounting block (501) and a rear mounting block (502); a front fixing seat (601) is mounted on the top of the front mounting block (501); a rear fixing seat (603) is mounted on the top of the rear mounting block (502); a notch (503) is provided in the middle of the connecting platform; inclined surfaces are provided on the front and rear sides of the notch (503); and the bottom surface of the notch (503) is inclined from the middle to the sides.
4. The five-axis machining equipment with cradle turntable according to claim 2, characterized in that: A C-axis servo assembly is installed in the rocker arm (606), and the C-axis servo assembly is connected to the rotary processing table (602).
5. The five-axis machining equipment with cradle turntable according to claim 1, characterized in that: The X-axis linear guide assembly (4) comprises an X-axis screw rod, the X-axis screw rod is threadedly connected to an X-axis screw rod nut seat, and the X-axis screw rod nut seat is connected to the bottom of the connecting platform (5).
6. The five-axis machining equipment with cradle turntable according to claim 1, characterized in that: The Y-axis linear guide assembly (11) comprises a Y-axis screw rod (1101), the Y-axis screw rod (1101) is threadedly connected to a Y-axis screw rod nut seat, and the Y-axis screw rod nut seat is connected to a support plate (12).
7. The five-axis machining equipment with a cradle turntable according to claim 1, characterized in that: The Z-axis linear guide assembly (13) comprises a Z-axis screw rod, the Z-axis screw rod is threadedly connected to a Z-axis screw rod nut seat, the Z-axis screw rod nut seat is connected to a machine head (14), a Z-axis slide rail (1401) is symmetrically arranged on one side of the machine head (14), and the Z-axis slide rail (1401) is connected to the support plate (12) via a connecting slider (1402).
8. The five-axis machining equipment with cradle turntable according to claim 1, characterized in that: Steel plate shields (201) are symmetrically mounted at both ends of the workbench (2).
9. The five-axis machining equipment with a cradle turntable according to claim 1, characterized in that: Workbench guard plates (504) are provided on both sides of the connecting platform (5).
10. The five-axis machining equipment with a cradle turntable according to claim 2, characterized in that: The front fixing seat (601) and the rear fixing seat (603) are fastened to the connecting platform (5) by bolts.