Intelligent multi-channel five-axis vertical machining center

Abstract

The application relates to an intelligent multi-channel five-axis vertical machining center, which comprises a base and a column, the base is provided with an X-axis moving assembly, two groups of independent machining channels which are parallel to each other and a double-screw chip removal device; the two groups of machining channels each comprise a saddle, a Y-axis moving assembly, a workbench, a spindle box and a machining tool, each saddle is arranged on the X-axis moving assembly and can move left and right along the X-axis moving assembly; each workbench is arranged above the Y-axis moving assembly on the saddle and can move forward and backward along the Y-axis moving assembly; the machining center adopts independent double-channel control and can simultaneously machine two products; meanwhile, the volume of the vertical machining center is reduced through the mode of sharing the X-axis guide rail and the working space; and the intelligent anti-interference function is increased for the case of sharing the X-axis guide rail and the working space, so that each channel of the intelligent multi-channel five-axis vertical machining center can normally work and does not interfere with each other.

Description

TECHNICAL FIELD

[0001] The application relates to the field of numerical control machine tools, in particular to an intelligent multi-channel five-axis vertical machining center. BACKGROUND

[0002] With the development of science and technology, the numerical control machine tool technology is continuously improved, and the user's functional requirements for the numerical control machine tool are also more and more. At present, the traditional vertical multi-channel machining center has a simple structure, and the channels are arranged in parallel in space and do not interfere with each other, so that the machining center occupies a large area and volume, and the equipment manufacturing cost is high. Under the background of increasingly fierce competition in the manufacturing industry, how to realize the economic and efficient vertical machining center is an important topic that machine tool manufacturers need to study. SUMMARY

[0003] In order to overcome the technical problems in the background art, the application provides an intelligent multi-channel five-axis vertical machining center, which adopts independent double-channel control, reduces the floor area and volume of the vertical machining center through sharing the X-axis guide rail and the working space, saves the production and manufacturing cost of the equipment, can process two products at the same time, and greatly improves the processing efficiency of the vertical machining center; and the intelligent anti-interference function is added according to the situation of sharing the X-axis guide rail and the working space, so that each channel of the intelligent multi-channel five-axis vertical machining center can work normally and does not interfere with each other.

[0004] The specific technical solutions are as follows:

[0005] An intelligent multi-channel five-axis vertical machining center, comprising a base and a column, wherein the base is provided with an X-axis moving assembly, two groups of independent machining channels parallel to each other and a double-screw chip removal device.

[0006] Each of the two groups of machining channels comprises a saddle, a Y-axis moving assembly, a workbench, a spindle box and a machining tool, each saddle is arranged on the X-axis moving assembly and can move left and right along the X-axis moving assembly, each workbench is arranged above the Y-axis moving assembly on the saddle and can move forward and backward along the Y-axis moving assembly.

[0007] The column is arranged on one side of the base, the column is provided with two groups of Z-axis moving assemblies, the spindle box of each machining channel is arranged on one group of Z-axis moving assemblies and can move up and down along the Z-axis moving assembly, and the lower end of the spindle of the spindle box is provided with a machining tool.

[0008] The double-screw chip removal device is arranged on both sides of the base, and the direction of the double-screw chip removal device is parallel to that of the X-axis moving assembly, so as to facilitate the collection and discharge of the waste chips generated by the two machining channels.

[0009] Further, the X-axis moving assembly on the base comprises two linear guides arranged in parallel on the front and back sides of the base, and the two saddles on the base share the two linear guides, each saddle is matched with the two linear guides through the sliders arranged on the front and back sides of the bottom of the saddle, and a driving device is further arranged below each saddle, so that the saddle moves left and right on the base along the two linear guides under the driving of the driving device, and the saddles of the two machining channels have overlapping moving strokes X on the X-axis moving assembly.

[0010] Further, the Y-axis moving assembly on the saddle comprises linear guides arranged on the left and right sides of the upper surface of the saddle, and the workbench above is matched with the linear guides through the sliders arranged on the left and right sides, and a driving device is further arranged below the workbench, so that the workbench moves forward and backward on the saddle along the two linear guides under the driving of the driving device.

[0011] Further, the column is provided with two groups of Z-axis moving assemblies, and the two groups of Z-axis moving assemblies are symmetrically distributed about the column, each group of Z-axis moving assembly comprises two linear guides arranged on the column, each spindle box is matched with the linear guides through the sliders arranged on the left and right sides, and a driving device is further arranged on the column to drive the spindle box to move up and down on the column along the two linear guides.

[0012] Further, two groups of tool changing mechanisms are further included, each group of tool changing mechanism is arranged on the outside of the spindle box, and each group of tool changing mechanism comprises a disc tool magazine and a tool changing arm.

[0013] Further, a five-axis rotary table structure is arranged on each workbench, the five-axis rotary table structure comprises a rotary table and a swing basket, the swing basket is fixed on the workbench, the rotary table is installed on the swing basket, a workpiece is fixed on a clamp on the upper surface of the rotary table, the driving device of the swing basket drives the rotary table to swing, a driving device is installed on the rotary table, the output shaft of the driving device on the rotary table is fixedly connected with the clamp, so as to drive the clamp and the workpiece fixed on the clamp to rotate.

[0014] Further, the double-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 and remove the waste chips collected in the chip removal groove.

[0015] Further, the X, Y and Z-axis moving assemblies all adopt P-grade linear rolling guides.

[0016] In addition, the intelligent multi-channel five-axis vertical machining center of the application adopts the mode 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 on the X-axis moving assembly during work, the application further 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 comprises the following steps:

[0017] 1) The coordinate origins of the saddle in the first channel and the saddle in the second channel on the X-axis moving assembly in the intelligent multi-channel five-axis vertical machining center are X 01 and X 02 , respectively, and the distance between the two origins is K, which is a constant;

[0018] 2) The control system of the intelligent multi-channel five-axis vertical machining center 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 assembly and the real-time speeds V1 and V2;

[0019] 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 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 a 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;

[0022] 5) If N < M, the sensor of the intelligent multi-channel five-axis vertical machining center detects that the two saddles are moving in opposite directions. At this time, the control system sends a deceleration signal to the saddle in the first channel, providing a deceleration a1, and sends a deceleration signal to the saddle in the second channel, providing a deceleration a2, and calculates the real-time distance N between the saddle in the second channel and the saddle in the first channel:

[0023]

[0024] The decelerations a 1、 a2 are such that to 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 greater than M, at which point the two saddles proceed with their respective normal programs;

[0025] 6) If N < M, the sensor of the intelligent multi-channel five-axis vertical machining center detects that the two saddles are moving in the same direction, and the saddle in the second channel is moving in front while the saddle in the first channel is moving in back. At this time, the control system sends a deceleration signal to the saddle in the first channel, providing a deceleration a1, and sends an acceleration signal to the saddle in the second channel, providing an acceleration a2, and calculates the real-time distance N between the saddle in the second channel and the saddle in the first channel:

[0026]

[0027] until , at which point the two saddles proceed with 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, at this time, 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:

[0029]

[0030] Until At this time, the two saddles perform machining 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 curved surfaces, flat surfaces, inner circles, outer circles, octagons, screw holes, etc. The method includes the following steps:

[0032] 1) Prepare the blanks: Select two pieces of 6061 aluminum alloy square materials with dimensions of 82mm * 82mm * 35mm;

[0033] 2) Fix 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) Load 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 mills, End mills, Ball mills, Drills and M1.2 thread rolling taps;

[0036] 4) Check the tool setting. The two channels perform four-side centering in the XY direction and face centering in the Z direction respectively. All other cutting tools use the automatic tool setting function for simultaneous automatic tool setting in the two channels, and then run the program for machining;

[0037] 5) The two channels simultaneously perform rough machining on the blanks, specifically including the following steps:

[0038] 51) Use End mills for rough machining, with a single cutting depth of 1mm and a maximum cutting width of 7.5mm. The machining areas include: flat surfaces, outer shapes, Inner circles, curved surfaces, with a machining allowance of 0.1;

[0039] 52) Use End mills for rough machining, with a machining allowance of 0.1. The machining areas include Areas that the end mill cannot enter and Area that end mill can enter: low concave of curved surface, overall XY direction center line, area between each small profile;

[0040] 53) Rough machining with end mill, machining allowance 0.03, machining area includes Area that end mill can enter: low concave of curved surface, overall XY direction center line, area between each small profile; Area that end mill can enter: low concave of curved surface, overall XY direction center line, area between each small profile;

[0041] 6) Curved surface machining with ball end mill, intermediate machining step distance 0.15, machining allowance 0.1, finishing step distance 0.08, machining allowance 0; Area that end mill can enter: low concave of curved surface, overall XY direction center line, area between each small profile;

[0042] Maximum contour finishing with end mill, machining allowance 0; Area that end mill can enter: low concave of curved surface, overall XY direction center line, area between each small profile;

[0043] Contour finishing with end mill, machining allowance 0; Area that end mill can enter: low concave of curved surface, overall XY direction center line, area between each small profile;

[0044] 7) Thread hole drilling and tapping with drill and M1.2 extrusion tap; Area that end mill can enter: low concave of curved surface, overall XY direction center line, area between each small profile;

[0045] 8) After machining, check appearance, require appearance to be bright, surface smoothness Ra3.2, corner smooth, no tool mark;

[0046] 9) Send to three coordinate measuring machines for size detection, detect according to drawing size.

[0047] Beneficial technical effects of the present application:

[0048] 1) The intelligent multi-channel five-axis vertical machining center of the present application reduces the floor area and volume of the vertical machining center by sharing the X-axis guide rail and working space, saving the production and manufacturing cost of the equipment; and in view of the situation of sharing the X-axis guide rail and working 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 interference;

[0049] 2) The intelligent multi-channel five-axis vertical machining center of the present application adopts independent double-channel control, which can process two products at the same time, greatly improving the processing 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 realize 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-surface machining of products, improving the machining precision of the products;

[0052] 5) The intelligent multi-channel five-axis vertical machining center of the application adopts a double-tool magazine structure, and the tool magazine adopts a tool arm type tool magazine, which is reliable in quality, stable in performance and fast in tool changing time. BRIEF DESCRIPTION OF DRAWINGS

[0053] Figure 1 is a perspective view of the intelligent multi-channel five-axis vertical machining center of the application;

[0054] Figure 2 is a front view of the intelligent multi-channel five-axis vertical machining center of the application;

[0055] Figure 3 is a top view of the intelligent multi-channel five-axis vertical machining center of the application;

[0056] Figure 4 is a five-axis rotary table perspective view of the intelligent multi-channel five-axis vertical machining center of the application;

[0057] Figure 5 is a structural schematic view of a multifunctional test piece machined by the intelligent multi-channel five-axis vertical machining center of the application;

[0058] Figures 6a-6g is a machining area and machining path schematic view of a tool of the intelligent multi-channel five-axis vertical machining center of the application.

[0059] REFERENCE SIGNS:

[0060] 1, base, 2, first saddle, 3, second saddle, 4, first worktable, 5, second worktable, 6, first five-axis rotary table, 7, second five-axis rotary table, 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, rotary table, 16, swing basket. DETAILED DESCRIPTION

[0061] In order to make the purpose, technical scheme and advantages of the application more clear and understandable, the application will be further described in detail below with reference to the accompanying drawings. Figure 1 -6. It should be understood that the specific content described herein is only used to explain the application and does not limit the application.

[0062] From Figure 1 It can be seen that an intelligent multi-channel five-axis vertical machining center comprises a base 1 and a column 12, the base 1 is provided with an X-axis moving assembly, two groups of independent machining channels parallel to each other and double screw chip removal devices 13, 14;

[0063] Both processing channels include saddle 2, 3, Y-axis moving assembly, workbench 4, 5, spindle box and processing tool, each saddle 2, 3 is arranged on the X-axis moving assembly, and the saddle 2, 3 can move left and right along the X-axis moving assembly; each workbench 4, 5 is arranged above the Y-axis moving assembly on the saddle 2, 3, and each workbench can move back and forth along the Y-axis moving assembly;

[0064] The column 12 is arranged on one side of the base 1, and the column 12 is provided with two groups of Z-axis moving assemblies, and the spindle box of each processing channel is correspondingly arranged on one group of Z-axis moving assemblies and can move up and down along the Z-axis moving assembly, and the lower end of the spindle of the spindle box is provided with a processing tool;

[0065] The double-screw chip removal device 13, 14 is arranged on both sides of the base 1, and the double-screw chip removal device is parallel to the direction of the X-axis moving assembly, facilitating the collection and discharge of the waste chips generated by the two processing channels.

[0066] Further, the X-axis moving assembly on the base 1 includes two straight linear guides arranged in parallel on the front and back sides of the base, and the two saddles 2, 3 on the base share the two guides, each saddle 2, 3 is matched with the two straight linear guides through the sliders arranged on the front and back sides of the bottom of the saddle, and a driving device is further arranged below each saddle 2, 3, and the saddles 2, 3 move left and right on the base 1 along the two straight linear guides under the driving of the driving device, and the saddles 2, 3 of the two processing channels have overlapping moving strokes X 重 .

[0067] From Figures 1-3 It can be seen that the left side of the machining center is the first processing channel, and the right side is the second processing channel, the driving device of the first saddle 2 of the first processing channel is arranged on the left side of the base, and the driving device of the second saddle 3 of the second processing channel is arranged on the right side of the base. In addition, from 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, and 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] Further, the Y-axis moving assembly on the saddle 2, 3 includes straight linear guides arranged on the left and right sides of the upper surface of the saddle 2, 3, and the workbench 4, 5 above the straight linear guides is matched with the straight linear guides through the sliders arranged on the left and right sides, and a driving device is further arranged below the workbench 4, 5, and the workbench 4, 5 moves back and forth on the saddle 2, 3 along the two straight linear guides under the driving of the driving device.

[0069] Further, the column 12 is provided with two groups of Z-axis moving assemblies, the two groups of Z-axis moving assemblies are symmetrically distributed about the column 12, each group of Z-axis moving assembly includes two linear guides arranged on the column 12, each group of spindle box is matched with the linear guides through the sliders arranged on the left and right sides of the group of spindle box, and the column 12 is further provided with a driving device for driving the spindle box to move up and down along the two linear guides on the column 12.

[0070] Further, two groups of tool changing mechanisms are further included, each group of tool changing mechanism is arranged on the outside of the spindle box, and each group of tool changing mechanism includes a disc tool magazine and a tool changing arm.

[0071] Further, each workbench 4, 5 is provided with a five-axis rotary table 6, 7, the five-axis rotary table 6, 7 includes a rotary table 15 and a swing basket 16, the swing basket 16 is fixed on the workbench 4, 5, the rotary table 15 is installed on the swing basket 16, a workpiece is fixed on a clamp on the upper surface of the rotary table 15, a driving device of the swing basket 16 drives the rotary table 15 to swing, the rotary table 15 is provided with a driving device, and an output shaft of the driving device of the intelligent multi-channel five-axis vertical machining center is fixedly connected with the clamp, so as to drive the clamp and the workpiece fixed on the clamp to rotate.

[0072] Further, the double-screw chip removal device 13, 14 includes a chip removal groove, a screw and a driving device, and the driving device is used for driving the screw to rotate and remove the waste chips collected in the chip removal groove.

[0073] Further, the X, Y and Z-axis moving assemblies all adopt P-grade linear rolling guides.

[0074] In addition, the intelligent multi-channel five-axis vertical machining center adopts the mode 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 on the X-axis moving assembly during work, the application further provides a method for controlling the relative positions of the saddles in the two channels, and the specific technical scheme is as follows:

[0075] A method for controlling the relative positions of the saddles in the two channels, comprising the following steps:

[0076] 1) The coordinate origins of the saddles in the first channel and the saddles in the second channel on the X-axis moving assembly in the intelligent multi-channel five-axis vertical machining center are X 01 and X 02 , respectively, the distance between the two origins is K, the value of K is a constant, and the value of K depends on the model of the intelligent multi-channel five-axis vertical machining center. Figures 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 The distance, X2 is the distance of the saddle in the second channel from the origin X 02 The distance.

[0078] 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 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] Among them, (K - X2) is the distance of the saddle in the second channel relative to the origin X in the first channel 01 The distance;

[0081] 4) If N > M, where 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;

[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 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 perform machining 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 At this time, the two saddles perform machining according to their respective normal programs;

[0088] 7) If N < M, the sensor of the intelligent multi-channel five-axis vertical machining center detects that the two saddles move in the same direction, and the saddle in the first channel moves forward and the saddle in the second channel moves backward, at this time the control system sends an acceleration signal to the saddle in the first channel to provide acceleration a1, sends a deceleration signal to the saddle in the second channel to provide deceleration a2, and calculates the real-time distance N between the saddles in the second channel and the saddles in the first channel:

[0089]

[0090] Until , the two saddles process according to their respective normal procedures.

[0091] In addition, in order to test the machining precision of the intelligent multi-channel five-axis vertical machining center, a multifunctional test piece is designed, which includes curved surfaces, planes, inner circles, outer circles, octagons, screw holes, etc. The specific structure of the multifunctional test piece can be seen in Figure 5 . In order to verify the machining precision of the intelligent multi-channel five-axis vertical machining center, the multifunctional test piece needs to be machined by the intelligent multi-channel five-axis vertical machining center.

[0092] The application also provides a method for machining a multifunctional test piece using an intelligent multi-channel five-axis vertical machining center, which includes curved surfaces, planes, inner circles, outer circles, octagons, screw holes, etc. The method includes the following steps:

[0093] 1) Prepare blanks: select two pieces of aluminum alloy 6061 square material with a size of 82mm*82mm*35mm;

[0094] 2) The above two square materials are respectively clamped on the worktables of the two channels of the intelligent multi-channel five-axis vertical machining center by the vice;

[0095] 3) Two sets of tools with the following specifications are respectively installed in the tool magazines of the first channel and the second channel:

[0096] The above two sets of tools include: an end mill, an end mill, a spherical milling cutter, a drill bit, and an M1.2 thread tapping tap;

[0097] 4) After checking the tool arrangement, the two channels are respectively processed in the XY direction four-edge centering and Z direction top surface tool setting, and all other tools use the automatic tool setting function to automatically set the tools of the two channels at the same time, and then the program is run for processing;

[0098] 5) The two channels simultaneously perform rough machining on the blanks, which includes the following steps:

[0099] 51) Rough machining with end mill, single cutting depth 1mm, maximum cutting width 7.5mm, machining area includes: plane, outline, , inner circle, curved surface, machining allowance 0.1, tool machining path see ; Figure 6a ;

[0100] 52) Rough machining with end mill, machining allowance 0.1, machining area includes , areas where end mill cannot enter and areas where end mill can enter: low recess of curved surface, overall XY direction center line, areas between each small outline; machining area and tool path see ; Figure 6b ;

[0101] 53) Rough machining with end mill, machining allowance 0.03, machining area includes areas where end mill cannot enter: low recess of curved surface, overall XY direction center line, areas between each small outline; machining area and tool path see ; Figure 6c ;

[0102] 6) Curved surface machining with spherical milling cutter, intermediate machining step 0.15, machining allowance 0.1, finishing machining step 0.08, machining allowance 0; machining area and tool path see ; Figure 6d ;

[0103] Maximum outline finishing machining with end mill, machining allowance 0; machining area and tool path see ; Figure 6e ;

[0104] Outline finishing machining with end mill, machining allowance 0; machining area and tool path see ; Figure 6f ;

[0105] 7) Thread hole drilling and tapping with drill and M1.2 extrusion tap; machining area and tool path see ; Figure 6g ;

[0106] 8) After machining, check appearance, require appearance to be bright, surface smoothness Ra3.2, corner smooth, no tool marks;

[0107] 9) Send to three-dimensional again for size detection, detect according to drawing size.

[0108] If the precision and size of the multifunctional test piece meet the requirements, it indicates that the machining precision of the intelligent multi-channel five-axis vertical machining center meets the requirements, and a certificate of conformity is issued, allowing it to be shipped.

[0109] The above merely provides preferred embodiments of the present application but are not intended to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall fall within the scope of the present application.

Claims

1. A method for controlling an intelligent multi-pass five-axis vertical machining center, characterized by, The machining center comprises a base and a column, the base is provided with an X-axis moving assembly, two groups of independent machining channels parallel to each other and a double-screw chip removal device; Each of the two groups of machining channels comprises a saddle, a Y-axis moving assembly, a workbench, a spindle box and a machining tool, each saddle is arranged on the X-axis moving assembly and can move left and right along the X-axis moving assembly, each workbench is arranged above the Y-axis moving assembly on the saddle and can move forward and backward along the Y-axis moving assembly; The column is arranged on one side of the base, the column is provided with two groups of Z-axis moving assemblies, the spindle box of each machining channel is correspondingly arranged on one group of Z-axis moving assemblies and can move up and down along the Z-axis moving assemblies, and the lower end of the spindle of the spindle box is provided with the machining tool; the machining center can simultaneously machine two products; The double-screw chip removal device is arranged on both sides of the base, the double-screw chip removal device is parallel to the direction of the X-axis moving assembly, so that the waste chips generated by the two machining channels can be conveniently collected and discharged; The method is used for controlling the relative positions of the saddles in the two groups of machining channels and comprises the following steps: 1) the coordinate origins of the saddle in the first channel and the saddle in the second channel on the X-axis moving assembly in the intelligent multi-channel five-axis vertical machining center are X 01 and X 02 , the distance between the two origins is K, K is a fixed constant; 2) The control system of the intelligent multi-channel five-axis vertical machining center collects the X-axis coordinates X1 and X2 of the saddles in the first channel and the second channel on the X-axis moving assembly and the real-time speeds V1 and V2; 3) In order to prevent the two saddles from interfering with each other during double-channel machining, the control system of the intelligent multi-channel five-axis vertical machining center calculates the real-time distance N of the saddles in the second channel and the first channel in the X-axis direction: N=(K-X2)-X1=K-X1-X2; 4) If N>M, M is a safety distance, then when the double-channel saddles of the intelligent multi-channel five-axis vertical machining center run synchronously, the two saddles will not interfere with each other; 5) If N N = (K - (X2+ V2t- a2t 2 )) - (X1+ V1t- a1t 2 ) = K - X1 - X2 - V1t - V2t + K - X1 - X2 - V1t - V2t (a2 + a1 )t 2 Up to K-X1-X2-V1t-V2t+ (a2 + a1 )t 2 When > M, both saddles are processed according to their respective normal procedures; 6) If N N = (K - (X2 - (V2t a2t 2 )) - (X1 + V1t- a1t 2 ) = K - X1 - X2 - V1t + V2t (a1 + a2)t 2 until K - X1-X2-V1t + V2t (a1+a2) t 2 When > M, both saddles are processed according to their respective normal procedures; 7) If N N = (K - (X2+ (V2t- a2t 2 )) - (X1- (V1t+ a1t 2 )) = K - X1- X2+ V1t - V2t (a1+a2)t 2 until K - X1-X2+ V1t - V2t (a1+a2)t 2 When > M, both saddles are processed according to their respective normal procedures.

2. A method of controlling an intelligent multi-pass five-axis vertical machining center as claimed in claim 1, characterized in that, The X-axis moving assembly on the base comprises two linear guides arranged in parallel on the front and back sides of the base, and the two saddles on the base share the two linear guides, each saddle is matched with the two linear guides through the sliders arranged on the front and back sides of the bottom of the saddle, and a driving device is further arranged below each saddle, the saddles are driven by the driving devices to move left and right on the base along the two linear guides, and the saddles of the two machining channels have overlapping moving strokes X on the X-axis moving assembly 重 .

3. A method of controlling an intelligent multi-pass five-axis vertical machining center as claimed in claim 1, wherein, The Y-axis moving assembly on the saddle includes linear guides arranged on the left and right sides of the upper surface of the saddle, and the worktable above the saddle is matched with the linear guides through the sliders arranged on the left and right sides; the worktable is further provided with a driving device below, and the worktable moves forward and backward on the saddle along the two linear guides under the driving of the driving device.

4. The method for controlling the intelligent multi-pass five-axis vertical machining center according to claim 1, wherein, The column is provided with two groups of Z-axis moving assemblies which are symmetrically distributed about the column, each group of Z-axis moving assemblies includes two linear guides arranged on the column, each spindle box is matched with the linear guides through the sliders arranged on the left and right sides thereof, and the column is further provided with a driving device for driving the spindle box to move up and down on the column along the two linear guides.

5. A method of controlling an intelligent multi-pass five-axis vertical machining center according to any one of claims 1-4, characterized in that, The tool changing mechanism further includes two groups of tool changing mechanisms, each of which is arranged on the outside of the spindle box, and each of which includes a disc tool magazine and a tool changing arm.

6. A method of controlling an intelligent multi-pass five-axis vertical machining center according to any one of claims 1-4, characterized in that, Each worktable is provided with a five-axis rotary table structure, which includes a rotary table and a swing basket, the swing basket is fixed on the worktable, the rotary table is installed on the swing basket, the workpiece is fixed on the clamp on the upper surface of the rotary table, the driving device of the swing basket drives the rotary table to swing, the rotary table is provided with a driving device, the output shaft of the driving device on the rotary table is fixedly connected with the clamp, so as to drive the clamp and the workpiece fixed on the clamp to rotate.

7. A method of controlling an intelligent multi-pass five-axis vertical machining center according to any one of claims 1-4, characterized in that, The double-screw chip removal device comprises a chip removal groove, a screw rod and a driving device, and the driving device is used for driving the screw rod to rotate and remove the waste chips collected in the chip removal groove.

8. A method of controlling an intelligent multi-pass five-axis vertical machining center according to any one of claims 1-4, characterized in that, The X, Y and Z-axis moving assemblies all adopt P-grade linear rolling guides.

9. A method for machining a multifunctional test piece using the method for controlling an intelligent multi-channel five-axis vertical machining center according to any one of claims 1-8, characterized in that, The test piece includes a curved surface, a plane, an inner circle, an outer circle, an octagon and a screw hole, and the method comprises the following steps: 1) preparing a blank: selecting two pieces of aluminum alloy 6061 square stock with a size of 82mm*82mm*35mm; 2) clamping the two pieces of square stock on the worktables of two channels of the intelligent multi-channel five-axis vertical machining center respectively with a vice; 3) clamping two sets of tools with the following specifications into the tool magazines of the first channel and the second channel respectively: The two sets of tools include: a Ø10 end mill, a Ø4 end mill, a Ø4 spherical milling cutter, a Ø1.075 drill and a M1.2 tapping tap; 4) checking the tool setting, performing XY four-edge centering and Z top surface tool setting for the two channels respectively, using the automatic tool setting function for automatic tool setting of all other tools in the two channels at the same time, and then running the program to process; 5) simultaneously rough machining the blank in the two channels, specifically including the following steps: 51) rough machining with a Ø10 end mill, single cutting depth 1mm, maximum cutting width 7.5mm, processing area including: plane, outer shape, Ø20 inner circle, curved surface, processing allowance 0.1; 52) rough machining with a Ø6 end mill, processing allowance 0.1, processing area including: curved surface recess, overall XY direction center line, and the area between each small contour which the Ø10 end mill cannot enter but the Ø6 end mill can enter; 53) rough machining with a Ø4 end mill, processing allowance 0.03, processing area including: curved surface recess, overall XY direction center line, and the area between each small contour which the Ø6 end mill cannot enter; 6) Curved surface processing with Ø4 ball cutter, middle processing step 0.15, processing allowance 0.1, fine processing step 0.08, processing allowance 0; Maximum profile processing with Ø10 end cutter, processing allowance 0; Contour processing with Ø4 end cutter, processing allowance 0; 7) Thread hole drilling and tapping with Ø1.075 drill and M1.2 tapping screw; 8) After processing, check the appearance, require bright appearance, surface finish Ra3.2, smooth corner, no tool marks; 9) Send to three-dimensional again for size detection, according to drawing size for detection.

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