CN113231674A - Plunge milling device for processing special-shaped inner and outer vertical walls - Google Patents
Plunge milling device for processing special-shaped inner and outer vertical walls Download PDFInfo
- Publication number
- CN113231674A CN113231674A CN202110530120.2A CN202110530120A CN113231674A CN 113231674 A CN113231674 A CN 113231674A CN 202110530120 A CN202110530120 A CN 202110530120A CN 113231674 A CN113231674 A CN 113231674A
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- China
- Prior art keywords
- slotting cutter
- servo system
- control unit
- vertical slotting
- cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
A plunge milling device for processing of dysmorphism inside and outside founds wall, wherein: providing a working table top, wherein a carrying table moving on two axes of a horizontal plane is arranged on the working table top, and a clamp for clamping and fixing a workpiece is arranged on the top surface of the carrying table; a vertical slotting cutter is arranged above the working table surface, and the bottom end of the vertical slotting cutter is provided with at least one cutter head protruding out of a cylindrical surface; in addition, a control unit is provided, a first servo system controlled by the control unit to drive the carrier to move on two axes of the horizontal plane, a second servo system controlled by the control unit to drive the spindle of the vertical slotting cutter to rotate, and a third servo system controlled by the control unit to drive the spindle of the vertical slotting cutter to axially displace. The tool bit of the vertical slotting cutter is always normal to the processing path at the processing position by the mode that the workpiece moves on two axes of a horizontal plane and is matched with the main shaft of the vertical slotting cutter to rotate and adjust, and the three-axis processing mode can be used for finishing the three-axis processing.
Description
Technical Field
The invention relates to the technical field of metal cutting machining, in particular to a plunge milling device for machining an irregular inner vertical wall and an irregular outer vertical wall.
Background
Plunge milling is a special milling process, also called Z-axis milling, whose basic principle is: the tool is moved continuously up and down to remove a large amount of material from the side of the workpiece. For curved surfaces which are difficult to machine, grooving and the situation that the overhanging length of the cutter is large, the plunge milling is more effective than the conventional layer milling mode.
In contrast, in the case of a workpiece designed to have a special-shaped vertical wall, as shown in fig. 1, it is necessary to machine the vertical wall surface 91 and the vertical wall surface 92, which are continuously folded, on the inner and outer walls of the workpiece 9, and since the milling cutter in the related art reciprocates only in the axial direction, the milling cutter cannot directly mill the vertical wall surface 91 and the vertical wall surface 92.
In the prior art, a machining path is designed in advance, a workpiece is fixed on a rotating table, a first driving mechanism is configured to drive the rotating table to drive the workpiece to rotate on a horizontal plane, a second driving mechanism is configured to drive the rotating table to drive the workpiece to move on two axes on the horizontal plane, an axially vertical milling cutter is configured, a third driving mechanism is configured to drive the milling cutter to axially reciprocate, and the position and the angle of the workpiece are adjusted through the first driving mechanism and the second driving mechanism so that the machining path is always normal to a cutter head of the milling cutter.
The plunge milling method adopted by the prior art needs four-axis machining or a more complex mode to provide a complex driving mechanism for a workpiece, so that a control program algorithm corresponding to a machining path becomes complex, the design cost, the equipment cost and the production cost are all improved, and the prior art has no effective targeted solution to change the current situation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a plunge milling device for processing special-shaped inner and outer vertical walls, and the technical scheme is as follows.
A plunge milling device for processing of dysmorphism inside and outside founds wall, wherein:
providing a working table top, wherein a carrying table moving on two axes of a horizontal plane is arranged on the working table top, and a clamp for clamping and fixing a workpiece is arranged on the top surface of the carrying table;
a vertical slotting cutter is arranged above the working table surface, and the bottom end of the vertical slotting cutter is provided with at least one cutter head protruding out of a cylindrical surface;
in addition, a control unit is provided, a first servo system controlled by the control unit to drive the carrier to move on two axes of a horizontal plane, a second servo system controlled by the control unit to drive the spindle of the vertical slotting cutter to rotate in the circumferential direction for 360 degrees so as to realize angular multi-point positioning of the cutter head, and a third servo system controlled by the control unit to drive the spindle of the vertical slotting cutter to axially displace.
By adopting the plunge milling device for processing the special-shaped inner and outer vertical walls, the pre-control unit establishes a control program according to the designed processing path, and the processing is carried out according to the following steps:
(1) the first servo system drives the carrying platform to move on two axes of the horizontal plane so as to change the XY coordinates of the workpiece on the horizontal plane, so that the workpiece obtains a processing position which always corresponds to the processing path and is just positioned in the processing range of the vertical slotting cutter.
(2) Thereby through the angle multiple spot location of 360 degrees rotations in circumference of the main shaft of the vertical milling cutter of inserting of second servo drive, and then adjust the vertical tool bit orientation of inserting milling cutter to make the vertical tool bit of inserting milling cutter all the time be normal to in the machining route of processing position department.
(3) And the third servo system drives the spindle of the milling cutter to axially displace, so that the cutter head performs plunge milling on the machining position.
(4) And repeating the steps until the workpiece is machined according to the machining path.
Compared with the prior art, the invention has the beneficial effects that:
the tool bit of the vertical slotting cutter can be always normal to a processing path at a processing position in a three-axis processing mode by the mode that the workpiece moves on two axes of a horizontal plane and is matched with the main shaft of the vertical slotting cutter to rotate and adjust, so that the three-axis processing can be completed, a control program algorithm corresponding to the processing path is obviously simplified, and the design cost, the equipment cost and the production cost are greatly reduced.
The present invention will be further described with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural diagram of a workpiece with a special-shaped vertical wall according to the invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic diagram of the working principle of the present invention.
Detailed Description
As shown in fig. 2, the plunge milling device for processing the special-shaped inner and outer vertical walls is characterized in that:
providing a working table surface 1, wherein a carrying platform 2 moving on two axes of a horizontal plane is arranged on the working table surface 1, and a clamp 3 for clamping and fixing a workpiece 9 is arranged on the top surface of the carrying platform 2;
a vertical slotting cutter 4 is arranged above the working table surface 1, and the bottom end of the vertical slotting cutter 4 is provided with at least one cutter head 41 protruding out of a cylindrical surface;
furthermore, a control unit 5 is provided, as well as a first servo system 6 controlled by the control unit 5 to drive the two-axis movement of the carrier 2 in the horizontal plane, a second servo system 7 controlled by the control unit 5 to drive the spindle of the vertical slotting cutter 4 to rotate 360 degrees in the circumferential direction to achieve angular multi-point positioning of the tool head 41, and a third servo system 8 controlled by the control unit 5 to drive the spindle of the vertical slotting cutter 4 to displace in the axial direction.
As shown in fig. 2 and 3, with the plunge milling device for processing the irregular inner and outer vertical walls provided by the present invention, the pre-control unit 5 establishes a control program with reference to the designed processing path, loads the workpiece 9 into the fixture 3, and processes the workpiece according to the following steps:
(1) the first servo system 6 drives the carrying platform 2 to move on two axes of the horizontal plane so as to change the XY coordinates of the workpiece on the horizontal plane, so that the workpiece obtains a processing position which always corresponds to the processing path and is just positioned in the processing range of the vertical slotting cutter 4.
(2) The spindle of the vertical slotting cutter 4 is driven by the second servo system 7 to rotate in the circumferential direction by 360 degrees, so that the angular multi-point positioning of the cutter head 41 is realized, and the orientation of the cutter head 41 of the vertical slotting cutter 4 is adjusted, so that the cutter head 41 of the vertical slotting cutter 4 is always normal to a machining path at a machining position.
(3) The spindle of the milling cutter is driven to axially displace by the third servo 8, so that the tool bit 41 performs plunge milling on the machining position.
(4) And repeating the steps until the workpiece is machined according to the machining path.
Obviously, by adopting the plunge milling device for processing the special-shaped inner and outer vertical walls, the tool bit of the vertical plunge milling cutter is always normal to the processing path at the processing position in a three-axis processing mode by the mode that the workpiece moves on two axes of a horizontal plane and is matched with the main shaft of the vertical plunge milling cutter to rotate and adjust, so that the processing can be finished obviously by simplifying a control program algorithm corresponding to the processing path, and the design cost, the equipment cost and the production cost are greatly reduced.
In a preferred embodiment, the first servo system is a two-axis robot or cross-machine slide disposed on the work table 1.
In the preferred embodiment, the second servo system 7 is associated with a servo motor of the spindle of the vertical slotting cutter 4.
In the preferred embodiment, the third servo system 8 is a mechanical device that cooperates with the spindle of the vertical slotting cutter 4 to drive the spindle of the vertical slotting cutter 4 to move axially.
It will be clear to a person skilled in the art that the scope of protection of the present invention is not limited to details of the foregoing illustrative embodiments, and that all changes which come within the meaning and range of equivalency of the claims are intended to be embraced therein by the appended claims without departing from the spirit or essential characteristics thereof.
Claims (4)
1. A slotting attachment for processing of dysmorphism inside and outside founds wall, its characterized in that:
providing a working table top, wherein a carrying table moving on two axes of a horizontal plane is arranged on the working table top, and a clamp for clamping and fixing a workpiece is arranged on the top surface of the carrying table;
a vertical slotting cutter is arranged above the working table surface, and the bottom end of the vertical slotting cutter is provided with at least one cutter head protruding out of a cylindrical surface;
in addition, a control unit is provided, a first servo system controlled by the control unit to drive the carrier to move on two axes of a horizontal plane, a second servo system controlled by the control unit to drive the spindle of the vertical slotting cutter to rotate in the circumferential direction for 360 degrees so as to realize angular multi-point positioning of the cutter head, and a third servo system controlled by the control unit to drive the spindle of the vertical slotting cutter to axially displace.
2. The plunge milling apparatus for forming contoured inner and outer standwalls of claim 1 wherein: the first servo system is a two-axis manipulator or a cross-shaped mechanical sliding table arranged on the working table.
3. The plunge milling apparatus for forming contoured inner and outer standwalls of claim 1 wherein: the second servo system is matched with the servo motor of the spindle of the vertical slotting cutter.
4. The plunge milling apparatus for forming contoured inner and outer standwalls of claim 1 wherein: the third servo system is a mechanical device which is matched with the spindle of the vertical slotting cutter to drive the spindle of the vertical slotting cutter to move axially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110530120.2A CN113231674A (en) | 2021-05-14 | 2021-05-14 | Plunge milling device for processing special-shaped inner and outer vertical walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110530120.2A CN113231674A (en) | 2021-05-14 | 2021-05-14 | Plunge milling device for processing special-shaped inner and outer vertical walls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113231674A true CN113231674A (en) | 2021-08-10 |
Family
ID=77134451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110530120.2A Withdrawn CN113231674A (en) | 2021-05-14 | 2021-05-14 | Plunge milling device for processing special-shaped inner and outer vertical walls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113231674A (en) |
-
2021
- 2021-05-14 CN CN202110530120.2A patent/CN113231674A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210810 |
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| WW01 | Invention patent application withdrawn after publication |