Intelligent multi-channel five-axis vertical machining center
Through independent dual-channel control and intelligent anti-interference function of shared X-axis guide rails and work space, the traditional vertical machining center has solved the problem of large area and high manufacturing cost, and an efficient and automated machining center has been realized, which improves machining efficiency and Accuracy.
Patent Information
- Application Number
- CN202411585035.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2044-11-07
AI Technical Summary
The traditional vertical multi-channel machining center has a simple structure, a large area and volume, high equipment manufacturing cost, and it is difficult to achieve cost-effective processing.
The independent dual-channel control and shared X-axis guide rails and work space are adopted to add intelligent anti-interference function to ensure that each channel works normally and does not interfere with each other. It also realizes automatic chip collection and chip removal through a twin-screw chip removal device.
It reduces the footprint and volume of the vertical machining center, saves equipment production and manufacturing costs, improves processing efficiency, realizes automated waste chip treatment and multi-faceted processing of products at one-time clamping, and improves processing accuracy.
Smart Images

Figure CN119319448A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of numerically controlled machine tools, and in particular to an intelligent multi-channel five-axis vertical machining center. Background Art
[0002] With the development of science and technology, CNC machine tool technology continues to improve, and users have more and more functional requirements for CNC machine tools. However, the current traditional vertical multi-channel machining center has a simple structure, and each channel is arranged in parallel in space without interfering with each other, which makes the machining center occupy a large area and volume, and the equipment manufacturing cost is high. In the context of increasingly fierce competition in the manufacturing industry, how to achieve economic and efficient vertical machining centers is an important topic that machine tool manufacturers need to study. Summary of the invention
[0003] In order to overcome the technical problems existing in the background technology, the present application provides an intelligent multi-channel five-axis vertical machining center. The machining center adopts independent dual-channel control. By sharing the X-axis guide rail and work space, the floor space and volume of the vertical machining center are reduced, the production and manufacturing costs of the equipment are saved, two products can be processed at the same time, and the machining efficiency of the vertical machining center is greatly improved; and in view of the situation of sharing the X-axis guide rail and work space, an intelligent anti-interference function is added to ensure that each channel of the intelligent multi-channel five-axis vertical machining center can work normally without interfering with each other.
[0004] The specific technical solutions are as follows:
[0005] An intelligent multi-channel five-axis vertical machining center comprises a base and a column, wherein the base is provided with an X-axis moving assembly, two sets of mutually parallel independent machining channels and a double-screw chip removal device;
[0006] Both sets of processing channels include a saddle, a Y-axis moving assembly, a worktable, a spindle box and a processing tool. Each saddle is arranged on the X-axis moving assembly, and the saddle can move left and right along the X-axis moving assembly; each worktable is arranged on the Y-axis moving assembly on the saddle, and each worktable can move forward and backward along the Y-axis moving assembly;
[0007] The column is arranged on one side of the base, and two groups of Z-axis moving components are arranged on the column. The spindle box of each processing channel is correspondingly arranged on one group of Z-axis moving components and can move up and down along the Z-axis moving components. The lower end of the spindle of the spindle box is equipped with a processing tool;
[0008] The twin-screw chip removal device is arranged on both sides of the base, and the twin-screw chip removal device is parallel to the direction of the X-axis moving component, so as to facilitate the collection and discharge of waste chips generated by the two processing channels.
[0009] Furthermore, the X-axis moving assembly on the base includes two linear guide rails arranged in parallel on the front and rear sides of the base. The two saddles on the base share these two guide rails. Each saddle cooperates with the two linear guide rails through sliders arranged on the front and rear sides of its bottom. A driving device is also arranged under each saddle. The saddle moves left and right along the two linear guide rails on the base under the drive of the driving device. The saddles of the two processing channels have an overlapping moving stroke X on the X-axis moving assembly.
[0010] Furthermore, the Y-axis moving assembly on the saddle includes linear guide rails arranged on the left and right sides of the upper surface of the saddle, and the workbench above it cooperates with the above-mentioned linear guide rails through sliders arranged on the left and right sides. A driving device is also arranged under the workbench. The workbench moves back and forth on the saddle along the two linear guide rails under the drive of the driving device.
[0011] Furthermore, the column is provided with two groups of Z-axis moving components, which are symmetrically distributed about the column. Each group of Z-axis moving components includes two linear guide rails arranged on the column. Each group of spindle boxes cooperates with the above-mentioned linear guide rails through sliders arranged on its left and right sides. A driving device is also provided on the column to drive the spindle box to move up and down along the two linear guide rails on the column.
[0012] Furthermore, it also includes two sets of tool changing mechanisms, each set of tool changing mechanisms is arranged on the outside of the spindle box, and each set of tool changing mechanisms includes a disc tool magazine and a tool changing arm.
[0013] Furthermore, each workbench is provided with a five-axis turntable structure, which includes a turntable and a swing basket. The swing basket is fixed on the workbench, the turntable is installed on the swing basket, the workpiece is fixed on the fixture on the upper surface of the turntable, and the driving device of the swing basket drives the turntable to swing. A driving device is installed on the turntable, and the output shaft of the driving device on the turntable is fixedly connected to the fixture, thereby driving the fixture and the workpiece fixed on the fixture to rotate.
[0014] Furthermore, the twin-screw chip removal device comprises: a chip removal groove, a screw and a driving device, and the driving device is used to drive the screw to rotate to discharge the waste chips collected in the chip removal groove.
[0015] Furthermore, the X-, Y-, and Z-axis moving components all use P-level linear rolling guides.
[0016] In addition, the intelligent multi-channel five-axis vertical machining center of the present application adopts a method of sharing the X-axis guide rail and the working space. In order to prevent the saddles in the first and second channels from interfering with each other in the X-axis moving components during operation, the present application also provides a method for controlling the intelligent multi-channel five-axis vertical machining center, which is used to control the relative positions of the saddles in the two channels, and includes the following steps:
[0017] 1) The origin coordinates of the saddle in the first channel and the saddle in the second channel on the X-axis moving component in the intelligent multi-channel five-axis vertical machining center are X 01 and X 02 respectively, and the distance between these two origins is K, where K is a constant;
[0018] 2) The control system of the intelligent multi-channel five-axis vertical machining center real-time collects the X-axis coordinates X1 and X2 of the saddle in the first channel and the saddle in the second channel on the X-axis moving component, as well as the real-time speeds V1 and V2;
[0019] 3) To prevent interference between the above two saddles during two-channel machining, the control system of the intelligent multi-channel five-axis vertical machining center real-time calculates the real-time distance N between the saddle in the second channel and the saddle in the first channel in the X-axis direction:
[0020] N = (K - X2) - X1 = K - X1 - X2;
[0021] 4) If N > M, where M is the safety distance, then when the two-channel saddles of the intelligent multi-channel five-axis vertical machining center run synchronously, there will be no interference between the two saddles;
[0022] 5) If N < M, when the sensors of the intelligent multi-channel five-axis vertical machining center detect that the two saddles are moving towards each other, at this time the control system will send a deceleration signal to the saddle in the first channel, providing a deceleration a1, send a deceleration signal to the saddle in the second channel, providing a deceleration a2, and calculate the real-time distance N between the saddle in the second channel and the saddle in the first channel:
[0023]
[0024] The deceleration a 1、 a2 makes Ensure that the two saddles do not touch until the real-time distance N between the saddle in the second channel and the saddle in the first channel is > M, and then the two saddles process according to their respective normal programs;
[0025] 6) If N < M, when the sensors of the intelligent multi-channel five-axis vertical machining center detect that the two saddles are moving in the same direction, and the saddle in the second channel is moving forward and the saddle in the first channel is moving backward, at this time the control system will send a deceleration signal to the saddle in the first channel, providing a deceleration a1, send an acceleration signal to the saddle in the second channel, providing an acceleration a2, and calculate the real-time distance N between the saddle in the second channel and the saddle in the first channel:
[0026]
[0027] Until the two saddles process according to their respective normal programs;
[0028] 7) If N < M, when the sensors of the intelligent multi-channel five-axis vertical machining center detect that the two saddles move in the same direction, and the saddle in the first channel moves forward while the saddle in the second channel moves backward, the control system will send an acceleration signal to the saddle in the first channel to provide an acceleration a1, send a deceleration signal to the saddle in the second channel to provide a deceleration a2, and calculate the real-time distance N between the saddle in the second channel and the saddle in the first channel:
[0029]
[0030] Until When, the two saddles process according to their respective normal programs.
[0031] In addition, the present application also provides a method for machining a multi-functional test piece using an intelligent multi-channel five-axis vertical machining center. The test piece includes structures such as a curved surface, a flat surface, an inner circle, an outer circle, an octagon, and a screw hole. The method includes the following steps:
[0032] 1) Prepare the blank: Select two 6061 aluminum alloy square materials with dimensions of 82mm * 82mm * 35mm;
[0033] 2) Clamp the above two square materials on the workbenches of the two channels of the intelligent multi-channel five-axis vertical machining center with vises respectively;
[0034] 3) Install two sets of cutting tools with the following specifications into the tool magazines of the first channel and the second channel respectively:
[0035] The above two sets of cutting tools include: End milling cutter, End milling cutter, Ball end mill, Drill bit and M1.2 tapping screw tap;
[0036] 4) Check the tool setting. The two channels perform XY quadrilateral centering and Z-axis top surface tool setting respectively. All other cutting tools use the automatic tool setting function to perform simultaneous automatic tool setting for the two channels, and then run the program for machining;
[0037] 5) The two channels simultaneously perform rough machining on the blank, specifically including the following steps:
[0038] 51) Use End milling cutter for rough machining, with a single cutting depth of 1mm and a maximum cutting width of 7.5mm. The machining areas include: flat surface, outer shape, Inner circle, curved surface, and machining allowance of 0.1;
[0039] 52) Use End milling cutter for rough machining, with a machining allowance of 0.1. The machining areas include The area that the end milling cutter cannot enter and Areas that the end mill can enter: concave areas of the curved surface, the center line of the overall XY direction, and the area between each small contour;
[0040] 53) Use The end mill is used for rough machining with a machining allowance of 0.03. The machining area includes Areas that the end mill cannot enter: concave areas of the curved surface, the center line of the overall XY direction, and the areas between various small contours;
[0041] 6) Use The spherical milling cutter is used for surface machining, with a medium machining step of 0.15, a machining allowance of 0.1, a finishing step of 0.08, and a machining allowance of 0;
[0042] use End milling cutter maximum shape finishing, machining allowance 0;
[0043] use End milling cutter contour finishing, machining allowance 0;
[0044] 7) Use Drill bits and M1.2 thread taps are used for threaded hole drilling and tapping;
[0045] 8) After processing, check the appearance, which should be bright, with a surface finish of Ra3.2, smooth corners and no cutting marks;
[0046] 9) Send it to the 3D scanner for size inspection and check it according to the size on the drawing.
[0047] Beneficial technical effects of this application:
[0048] 1) The intelligent multi-channel five-axis vertical machining center of the present application reduces the floor space and volume of the vertical machining center by sharing the X-axis guide rail and workspace, saving the production and manufacturing cost of the equipment; and in view of the situation of sharing the X-axis guide rail and workspace, an intelligent anti-interference function is added to ensure that each channel of the intelligent multi-channel five-axis vertical machining center can work normally without interfering with each other;
[0049] 2) The intelligent multi-channel five-axis vertical machining center of the present application adopts independent dual-channel control, which can process two products at the same time, greatly improving the machining efficiency of the intelligent multi-channel five-axis vertical machining center;
[0050] 3) The intelligent multi-channel five-axis vertical machining center of the present application adopts a double-screw chip removal method to achieve automatic chip collection and automatic chip removal, effectively preventing chip accumulation in the machine and reducing manual cleaning time;
[0051] 4) The intelligent multi-channel five-axis vertical machining center of the present application realizes one-time clamping and multi-faceted machining of products, thus improving the machining accuracy of products;
[0052] 5) The intelligent multi-channel five-axis vertical machining center of the present application adopts a double tool magazine structure, and the tool magazine adopts a tool arm type tool magazine with reliable quality, stable performance and fast tool change time. BRIEF DESCRIPTION OF THE DRAWINGS
[0053] Figure 1 is a three-dimensional diagram of the intelligent multi-channel five-axis vertical machining center of the present application;
[0054] Figure 2 is a front view of the intelligent multi-channel five-axis vertical machining center of the present application;
[0055] Figure 3 is a top view of the intelligent multi-channel five-axis vertical machining center of the present application;
[0056] Figure 4 It is a three-dimensional diagram of the five-axis turntable of the intelligent multi-channel five-axis vertical machining center of the present application;
[0057] Figure 5 It is a structural schematic diagram of a multifunctional test piece machined by the intelligent multi-channel five-axis vertical machining center of the present application;
[0058] Figure 6a-6g It is a schematic diagram of the machining area and machining path of the tool of the intelligent multi-channel five-axis vertical machining center of the present application.
[0059] Reference numerals:
[0060] 1. Base, 2. First saddle, 3. Second saddle, 4. First worktable, 5. Second worktable, 6. First five-axis turntable, 7. Second five-axis turntable, 8. First Z-axis, 9. Second Z-axis, 10. First tool magazine, 11. Second tool magazine, 12. Column, 13. First screw chip removal device, 14. Second screw chip removal device, 15. Turntable, 16. Swing basket. DETAILED DESCRIPTION
[0061] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the following Figure 1 It should be understood that the specific contents described herein are only used to explain the present invention and are not used to limit the present invention.
[0062] from Figure 1 It can be seen that an intelligent multi-channel five-axis vertical machining center includes a base 1 and a column 12, and the base 1 is provided with an X-axis moving component, two sets of mutually parallel independent machining channels and a double-screw chip removal device 13, 14;
[0063] The two sets of processing channels include saddles 2, 3, Y-axis moving components, workbenches 4, 5, spindle boxes and processing tools. Each saddle 2, 3 is arranged on the X-axis moving component, and the saddle 2, 3 can move left and right along the X-axis moving component; each workbench 4, 5 is arranged on the Y-axis moving component on the saddle 2, 3, and each workbench can move forward and backward along the Y-axis moving component;
[0064] The column 12 is arranged on one side of the base 1, and two groups of Z-axis moving components are arranged on the column 12. The spindle box of each processing channel is correspondingly arranged on one group of Z-axis moving components and can move up and down along the Z-axis moving components. The lower end of the spindle of the spindle box is equipped with a processing tool;
[0065] The twin-screw chip removal devices 13 and 14 are arranged on both sides of the base 1, and the twin-screw chip removal devices are parallel to the direction of the X-axis moving component, so as to facilitate the collection and discharge of waste chips generated by the two processing channels.
[0066] Furthermore, the X-axis moving assembly on the base 1 includes two linear guide rails arranged in parallel on the front and rear sides of the base. The two saddles 2 and 3 on the base share the two guide rails. Each saddle 2 and 3 cooperates with the two linear guide rails through sliders arranged on the front and rear sides of the bottom thereof. A driving device is also arranged under each saddle 2 and 3. The saddles 2 and 3 move left and right along the two linear guide rails on the base 1 under the drive of the driving device. The saddles 2 and 3 of the two processing channels have overlapping moving travels X on the X-axis moving assembly. 重 .
[0067] from Figure 1-3 It can be seen that the left side of the machining center is the first machining channel, and the right side is the second machining channel. The driving device of the first saddle 2 of the first machining channel is arranged on the left side of the base, and the driving device of the second saddle 3 of the second machining channel is arranged on the right side of the base. Figure 3 It can be seen that the second screw chip removal device 14 is arranged on one side of the base close to the column, the first screw chip removal device 13 is arranged on the other side of the base, and the X-axis moving assembly is arranged between the first screw chip removal device 13 and the second screw chip removal device 14.
[0068] Furthermore, the Y-axis moving assembly on the saddles 2 and 3 includes linear guide rails arranged on the left and right sides of the upper surfaces of the saddles 2 and 3, and the workbenches 4 and 5 above them cooperate with the above-mentioned linear guide rails through sliders arranged on the left and right sides. A driving device is also arranged under the workbenches 4 and 5. Driven by the driving device, the workbenches 4 and 5 move back and forth on the saddles 2 and 3 along the two linear guide rails.
[0069] Furthermore, the column 12 is provided with two groups of Z-axis moving components, and the two groups of Z-axis moving components are symmetrically distributed about the column 12. Each group of Z-axis moving components includes two linear guide rails arranged on the column 12. Each group of spindle boxes cooperates with the above-mentioned linear guide rails through sliders arranged on its left and right sides. A driving device is also provided on the column 12 for driving the spindle box to move up and down along the two linear guide rails on the column 12.
[0070] Furthermore, it also includes two sets of tool changing mechanisms, each set of tool changing mechanisms is arranged on the outside of the spindle box, and each set of tool changing mechanisms includes a disc tool magazine and a tool changing arm.
[0071] Furthermore, each workbench 4, 5 is provided with a five-axis turntable 6, 7, which includes a turntable 15 and a swing basket 16. The swing basket 16 is fixed on the workbench 4, 5, and the turntable 15 is installed on the swing basket 16. The workpiece is fixed on the fixture on the upper surface of the turntable 15. The driving device of the swing basket 16 drives the turntable 15 to swing. A driving device is installed on the turntable 15. The output shaft of the driving device on the turntable 15 of the intelligent multi-channel five-axis vertical machining center of the present application is fixedly connected to the fixture, thereby driving the fixture and the workpiece fixed on the fixture to rotate.
[0072] Furthermore, the twin-screw chip removal devices 13 and 14 include: a chip removal groove, a screw and a driving device, and the driving device is used to drive the screw to rotate to discharge the waste chips collected in the chip removal groove.
[0073] Furthermore, the X-, Y-, and Z-axis moving components all use P-level linear rolling guides.
[0074] In addition, the intelligent multi-channel five-axis vertical machining center of the present application adopts a method of sharing the X-axis guide rail and the working space. In order to prevent the saddles in the first and second channels from interfering with each other in the X-axis moving components during operation, the present application also provides a method for controlling the intelligent multi-channel five-axis vertical machining center, which is used to control the relative positions of the saddles in the two channels. The specific technical solution is as follows:
[0075] A method for relative position control of an intelligent multi-channel five-axis vertical machining center comprises the following steps:
[0076] 1) The coordinate origins of the saddle in the first channel and the saddle in the second channel on the X-axis moving assembly of the intelligent multi-channel five-axis vertical machining center are X 01 and X 02 The distance between the two origins is K, which is a constant. The value of K depends on the model of the intelligent multi-channel five-axis vertical machining center. Figure 1-3 It can be seen that the left channel is the first channel and the right channel is the second channel.
[0077] 2) The control system of the intelligent multi-channel five-axis vertical machining center real-time collects the X-axis coordinates X1 and X2 of the saddle in the first channel and the saddle in the second channel on the X-axis moving component, as well as the real-time speeds V1 and V2; X1 is the distance of the saddle in the first channel from the origin X 01 and X2 is the distance of the saddle in the second channel from the origin X 02 .
[0078] 3) To prevent interference between the above two saddles during dual-channel machining, the control system of the intelligent multi-channel five-axis vertical machining center real-time calculates the real-time distance N between the saddle in the second channel and the saddle in the first channel in the X-axis direction:
[0079] N = (K - X2) - X1 = K - X1 - X2;
[0080] where, (K - X2) is the distance of the saddle in the second channel relative to the origin X 01 in the first channel;
[0081] 4) If N > M, where M is the safety distance, then when the dual-channel saddles of the intelligent multi-channel five-axis vertical machining center run synchronously, there will be no interference between the two saddles;
[0082] 5) If N < M, when the sensors of the intelligent multi-channel five-axis vertical machining center detect that the two saddles are moving towards each other, at this time the control system will send a deceleration signal to the saddle in the first channel, providing a deceleration a1, send a deceleration signal to the saddle in the second channel, providing a deceleration a2, and calculate the real-time distance N between the saddle in the second channel and the saddle in the first channel:
[0083]
[0084] The deceleration a 1、 a2 makes ensure that the two saddles will not touch until the real-time distance N between the saddle in the second channel and the saddle in the first channel is > M, and then the two saddles process according to their respective normal programs;
[0085] 6) If N < M, when the sensors of the intelligent multi-channel five-axis vertical machining center detect that the two saddles are moving in the same direction, and the saddle in the second channel is moving forward and the saddle in the first channel is moving backward, at this time the control system will send a deceleration signal to the saddle in the first channel, providing a deceleration a1, send an acceleration signal to the saddle in the second channel, providing an acceleration a2, and calculate the real-time distance N between the saddle in the second channel and the saddle in the first channel:
[0086]
[0087] Until , the two saddles process according to their respective normal programs;
[0088] 7) If N < M, when the sensors of the intelligent multi-channel five-axis vertical machining center detect that the two saddles move in the same direction, and the saddle in the first channel moves forward while the saddle in the second channel moves backward, the control system will send an acceleration signal to the saddle in the first channel to provide an acceleration a1, send a deceleration signal to the saddle in the second channel to provide a deceleration a2, and calculate the real-time distance N between the saddle in the second channel and the saddle in the first channel:
[0089]
[0090] Until When, the two saddles perform machining according to their respective normal programs.
[0091] In addition, to test the machining accuracy of the intelligent multi-channel five-axis vertical machining center, we designed a multi-functional test piece, which includes curved surfaces, planes, inner circles, outer circles, octagons, screw holes, etc. For the specific structure of the multi-functional test piece, please refer to Figure 5 . To verify the machining accuracy of the intelligent multi-channel five-axis vertical machining center, it is necessary to use the intelligent multi-channel five-axis vertical machining center to machine this multi-functional test piece.
[0092] This application also provides a method for machining a multi-functional test piece using an intelligent multi-channel five-axis vertical machining center. The test piece includes structures such as curved surfaces, planes, inner circles, outer circles, octagons, screw holes, etc. The method includes the following steps:
[0093] 1) Prepare the blank: Select two pieces of 6061 aluminum alloy square materials with dimensions of 82mm * 82mm * 35mm;
[0094] 2) Clamp the above two square materials on the workbenches of the two channels of the intelligent multi-channel five-axis vertical machining center with vises respectively;
[0095] 3) Load two sets of cutting tools with the following specifications into the tool magazines of the first channel and the second channel respectively:
[0096] The above two sets of cutting tools include: End mills, End mills, Ball nose mills, Drills and M1.2 thread rolling taps;
[0097] 4) Check the tool setting. Perform XY quadrant centering and Z-axis top surface tool setting for the two channels respectively. For all other cutting tools, use the automatic tool setting function to perform simultaneous automatic tool setting for the two channels, and then run the program for machining;
[0098] 5) Rough machine the blanks simultaneously for the two channels, specifically including the following steps:
[0099] 51) Use End milling cutter for rough machining, single cutting depth 1mm, maximum cutting width 7.5mm, machining areas include: plane, shape, Inner circle, curved surface, machining allowance 0.1, tool machining path see Figure 6a ;
[0100] 52) Use The end mill is used for rough machining with a machining allowance of 0.1. The machining area includes The end mill cannot enter and Areas that the end mill can enter: concave areas of the curved surface, the center line of the overall XY direction, and the area between each small contour; see the processing area and tool path for details. Figure 6b ;
[0101] 53) Use The end mill is used for rough machining with a machining allowance of 0.03. The machining area includes Areas that the end mill cannot enter: concave areas of the curved surface, the center line of the overall XY direction, and the areas between various small contours; see the processing area and tool path for Figure 6c ;
[0102] 6) Use The spherical milling cutter is used for surface machining, with a medium machining step of 0.15, a machining allowance of 0.1, a finishing step of 0.08, and a machining allowance of 0; see the machining area and tool path for details. Figure 6d ;
[0103] use End milling cutter maximum shape finishing, machining allowance 0; machining area and tool path see Figure 6e ;
[0104] use End milling cutter contour finishing, machining allowance 0; machining area and tool path see Figure 6f ;
[0105] 7) Use Drill and M1.2 thread tap for threaded hole drilling and tapping; see the processing area and tool path for details. Figure 6g ;
[0106] 8) After processing, check the appearance, which should be bright, with a surface finish of Ra3.2, smooth corners and no cutting marks;
[0107] 9) Send it to the 3D scanner for size inspection and check it according to the size on the drawing.
[0108] If the accuracy and size of the multifunctional test piece meet the requirements, it means that the machining accuracy of the intelligent multi-channel five-axis vertical machining center meets the requirements, and a certificate of conformity will be issued and it will be allowed to leave the factory.
[0109] The above description is only a preferred embodiment of the present invention and is not intended to limit the present application. For those skilled in the art, the embodiments of the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. An intelligent multi-channel five-axis vertical machining center, characterized in that: It includes a base and a column, wherein the base is provided with an X-axis moving assembly, two sets of mutually parallel independent processing channels and a double-screw chip removal device; Both sets of processing channels include a saddle, a Y-axis moving assembly, a worktable, a spindle box and a processing tool. Each saddle is arranged on the X-axis moving assembly, and the saddle can move left and right along the X-axis moving assembly; each worktable is arranged on the Y-axis moving assembly on the saddle, and each worktable can move forward and backward along the Y-axis moving assembly; The column is arranged on one side of the base, and two groups of Z-axis moving components are arranged on the column. The spindle box of each processing channel is correspondingly arranged on one group of Z-axis moving components and can move up and down along the Z-axis moving components. The lower end of the spindle of the spindle box is equipped with a processing tool; The twin-screw chip removal device is arranged on both sides of the base, and the twin-screw chip removal device is parallel to the direction of the X-axis moving component, so as to facilitate the collection and discharge of waste chips generated by the two processing channels.
2. The intelligent multi-channel five-axis vertical machining center according to claim 1, characterized in that: The X-axis moving assembly on the base includes two linear guide rails arranged in parallel on the front and rear sides of the base. The two saddles on the base share these two guide rails. Each saddle cooperates with the two linear guide rails through sliders arranged on the front and rear sides of its bottom. A driving device is also arranged under each saddle. The saddle moves left and right along the two linear guide rails on the base under the drive of the driving device. The saddles of the two processing channels have overlapping moving travels X on the X-axis moving assembly. 重 .
3. The intelligent multi-channel five-axis vertical machining center according to claim 1, characterized in that: The Y-axis moving assembly on the saddle includes linear guide rails arranged on the left and right sides of the upper surface of the saddle. The workbench above the saddle cooperates with the above-mentioned linear guide rails through sliders arranged on the left and right sides. A driving device is also arranged under the workbench. The workbench moves back and forth along the two linear guide rails on the saddle under the drive of the driving device.
4. The intelligent multi-channel five-axis vertical machining center according to claim 1, characterized in that: The column is provided with two groups of Z-axis moving components, which are symmetrically distributed about the column. Each group of Z-axis moving components includes two linear guide rails arranged on the column. Each group of spindle boxes cooperates with the above-mentioned linear guide rails through sliders arranged on its left and right sides. A driving device is also provided on the column to drive the spindle box to move up and down along the two linear guide rails on the column.
5. An intelligent multi-channel five-axis vertical machining center according to any one of claims 1-4, characterized in that: It also includes two sets of tool changing mechanisms, each set of tool changing mechanisms is arranged on the outside of the spindle box, and each set of tool changing mechanisms includes a disc tool magazine and a tool changing arm.
6. An intelligent multi-channel five-axis vertical machining center according to any one of claims 1-4, characterized in that: A five-axis turntable structure is provided on each workbench, which includes a turntable and a swing basket. The swing basket is fixed on the workbench, the turntable is installed on the swing basket, the workpiece is fixed on the fixture on the upper surface of the turntable, and the drive device of the swing basket drives the turntable to swing. A drive device is installed on the turntable, and the output shaft of the drive device on the turntable is fixedly connected to the fixture, thereby driving the fixture and the workpiece fixed on the fixture to rotate.
7. An intelligent multi-channel five-axis vertical machining center according to any one of claims 1-4, characterized in that: The twin-screw chip removal device comprises: a chip removal groove, a screw and a driving device, wherein the driving device is used to drive the screw to rotate to discharge the waste chips collected in the chip removal groove.
8. An intelligent multi-channel five-axis vertical machining center according to any one of claims 1-4, characterized in that: The X, Y and Z axis moving components all adopt P-level linear rolling guides.
9. A method for controlling an intelligent multi-channel five-axis vertical machining center according to any one of claims 1 to 8, for controlling the relative positions of saddles in two channels, characterized in that: The steps include: 1) The coordinate origins of the saddle in the first channel and the saddle in the second channel on the X-axis moving assembly of the intelligent multi-channel five-axis vertical machining center are X 01 and X 02 , the distance between these two origins is K; 2) The control system of the intelligent multi-channel five-axis vertical machining center collects the X-axis coordinates X1 and X2 and the real-time speeds V1 and V2 of the saddle in the first channel and the saddle in the second channel on the X-axis moving assembly in real time; 3) To prevent interference between the two saddles during dual-channel machining, the control system of the intelligent multi-channel five-axis vertical machining center calculates in real time the real-time distance N between the saddle in the second channel and the saddle in the first channel in the X-axis direction: N = (K-X2)-X1 = K-X1-X2; 4) If N>M, M is the safety distance, when the dual-channel saddles of the intelligent multi-channel five-axis vertical machining center run synchronously, there will be no interference between the two saddles; 5) If N < M, when the sensors of the intelligent multi-channel five-axis vertical machining center detect that the two saddles are moving towards each other, the control system will send a deceleration signal to the saddle in the first channel, providing a deceleration a1, send a deceleration signal to the saddle in the second channel, providing a deceleration a2, and calculate the real-time distance N between the saddle in the second channel and the saddle in the first channel: Deceleration 1、 a2 makes Ensure that the two saddles do not touch each other until the real-time distance N>M between the saddle in the second channel and the saddle in the first channel, and then the two saddles are processed according to their normal procedures; 6) If N < M, when the sensors of the intelligent multi-channel five-axis vertical machining center detect that the two saddles are moving in the same direction, and the saddle in the second channel is moving forward while the saddle in the first channel is moving backward, the control system will send a deceleration signal to the saddle in the first channel, providing a deceleration a1, send an acceleration signal to the saddle in the second channel, providing an acceleration a2, and calculate the real-time distance N between the saddle in the second channel and the saddle in the first channel: until When the two saddles are processed according to their normal procedures; 7) If N < M, when the sensors of the intelligent multi-channel five-axis vertical machining center detect that the two saddles are moving in the same direction, and the saddle in the first channel is moving forward while the saddle in the second channel is moving backward, the control system will send an acceleration signal to the saddle in the first channel, providing an acceleration a1, send a deceleration signal to the saddle in the second channel, providing a deceleration a2, and calculate the real-time distance N between the saddle in the second channel and the saddle in the first channel: until When the two saddles are machined, they are processed according to their normal procedures.
10. A method for machining a multifunctional test piece using an intelligent multi-channel five-axis vertical machining center according to any one of claims 1 to 8, characterized in that: The test piece includes a curved surface, a flat surface, an inner circle, an outer circle, an octagon, and screw holes. The method includes the following steps: 1) Prepare the blank: Select two pieces of 6061 aluminum alloy square materials with dimensions of 82mm * 82mm * 35mm; 2) Clamp the above two square materials on the workbenches of the two channels of the intelligent multi-channel five-axis vertical machining center with vises respectively; 3) Install two sets of cutting tools with the following specifications into the tool magazines of the first channel and the second channel respectively: The above two sets of tools include: End milling cutter, End milling cutter, Spherical milling cutter, Drill bit and M1.2 thread forming tap; 4) Check the tool swing. Perform four-sided centering in the XY direction and face centering in the Z direction for the two channels respectively. Use the automatic tool setting function to perform simultaneous automatic tool setting for all other tools in the two channels, and then run the program for machining; 5) Rough machine the blank simultaneously for the two channels, specifically including the following steps: 51) Use End milling cutter for rough machining, single cutting depth 1mm, maximum cutting width 7.5mm, machining areas include: plane, shape, Inner circle and curved surface, machining allowance 0.1; 52) Use The end mill is used for rough machining with a machining allowance of 0.
1. The machining area includes The end mill cannot enter and Areas that the end mill can enter: concave areas of the curved surface, the center line of the overall XY direction, and the area between each small contour; 53) Use The end mill is used for rough machining with a machining allowance of 0.
03. The machining area includes Areas that the end mill cannot enter: concave areas of the curved surface, the center line of the overall XY direction, and the areas between various small contours; 6) Use The spherical milling cutter is used for surface machining, with a medium machining step of 0.15, a machining allowance of 0.1, a finishing step of 0.08, and a machining allowance of 0; use End milling cutter maximum shape finishing, machining allowance 0; use End milling cutter contour finishing, machining allowance 0; 7) Use Drill bits and M1.2 thread taps are used for threaded hole drilling and tapping; 8) Check the appearance after machining. The appearance is required to be bright, the surface finish Ra is 3.2, the corners are smooth, and there are no tool marks at the joints; 9) Then send it to the CMM for dimensional inspection and inspect according to the drawing dimensions.
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