Five-axis linkage fixed beam type machining center

Abstract

The invention relates to the field of five-axis machine tools, in particular to a five-axis linkage fixed beam type machining center which comprises a machine base, a two-axis moving device, a main shaft device, an automatic tool changing device, a horizontal driving device and an offset type double-swing-head device. Wherein the two-axis moving device drives the main shaft device to move in the Y-axis direction and the Z-axis direction, the horizontal driving device drives the offset type double-swing-head device to move in the Y-axis direction, and the automatic tool changing device achieves the automatic tool changing function of the main shaft device. Through one-time part clamping, the machining precision and the production efficiency of the part are remarkably improved.

Description

Technical Field

[0001] The present application relates to the field of five-axis machine tools, and in particular to a five-axis linkage fixed-beam machining center. Background Art

[0002] As a high-end CNC machine tool, the five-axis machining center is widely used in aerospace, automobile manufacturing, mold processing and other fields, and can realize multi-faceted and five-axis machining of complex parts. This machine tool has significantly improved the machining quality and production efficiency through high-precision positioning and efficient cutting capabilities, and has become an indispensable and important equipment in the modern manufacturing industry.

[0003] A five-axis machining center is disclosed in the related technology, including a base group, a column group, a beam group, a slide group and a head group, the head group is slidably connected to one side of the slide group along the Z-axis direction, the other side of the slide group is slidably connected to the inner side of the beam group along the Y-axis direction, the bottom of the beam group is slidably connected to the top of the column group along the X-axis direction, the column group is vertically fixedly connected to one end of the base group in the X-axis direction, the base group includes a base, a workbench and a rotatable tool disc, the tool disc is slidably connected to the base through a bracket, the base is provided with a material leakage area, the workbench is fixed on the material leakage area and is located on one side of the tool disc, a five-axis cradle is provided on the workbench, the five-axis cradle includes a support seat and a cradle frame, the support seat is rotatably connected to the cradle frame, the support seat is fixed to the workbench, the cradle frame includes a first turntable and a second turntable, the first turntable is rotatably connected to the second turntable through the cradle frame.

[0004] However, the five-axis machining center in the related art has some shortcomings, especially in the clamping and multi-faceted processing of workpieces. The five-axis machining center in the related art often requires multiple clamping to complete complex multi-faceted processing, which not only increases the processing time and cost, but also easily introduces cumulative errors, affecting the final processing accuracy. Summary of the invention

[0005] The purpose of this application is to overcome the above technical problems and provide a five-axis linkage fixed-beam machining center.

[0006] The five-axis linkage fixed beam machining center provided in this application adopts the following technical solution: A five-axis linkage fixed-beam machining center comprises a machine base, a two-axis moving device, a spindle device, an automatic tool changing device, a horizontal driving device and an offset double-swing head device; the two-axis moving device is arranged on the machine base, the two-axis moving device is used to drive the spindle device to move along two different directions of the Y / Z axis, the automatic tool changing device is arranged on the machine base, the automatic tool changing device is used to realize automatic tool change for the spindle device; the horizontal driving device is arranged on the machine base, the horizontal driving device is used to drive the offset double-swing head device to move along the X-axis direction, and the offset double-swing head device is used to fix parts and drive the parts to rotate along two mutually perpendicular directions.

[0007] By adopting the above technical solution, the movement of the spindle device along the Y-axis and Z-axis directions is precisely controlled by the two-axis moving device, ensuring the position accuracy during the processing. The horizontal drive device drives the offset double-swing head device to move along the Y-axis direction, so that the workpiece can be processed at multiple angles, further improving the processing accuracy. The automatic tool changer can quickly replace different types of tools, reducing downtime and tool change time, and significantly improving production efficiency. The use of the offset double-swing head device allows the workpiece to complete multi-faceted processing in one clamping, avoiding errors and time waste caused by multiple clamping. The offset double-swing head device makes the workpiece more stable during the processing process, reduces vibration and displacement, and improves operational safety. In addition, through the precise control of the horizontal drive device, the operator can more conveniently adjust the position of the workpiece, which improves the convenience of operation. Using advanced tools and high-speed processing technology, the processing time is greatly reduced.

[0008] Optionally, the two-axis moving device includes a transverse moving seat, a transverse moving drive mechanism, a lifting seat and a lifting drive mechanism; the transverse moving seat is slidably matched with the machine base, the transverse moving drive mechanism is arranged on the machine base, and the transverse moving drive mechanism is used to drive the transverse moving seat to move along the Y-axis direction; the lifting seat is slidably matched with the transverse moving seat, the lifting drive mechanism is arranged on the transverse moving seat, and the lifting drive mechanism is used to drive the lifting seat to rise and fall.

[0009] By adopting the above technical solutions, the two-axis moving device can accurately control the movement of the spindle device in the Y-axis and Z-axis directions, improving the flexibility and accuracy of processing. The sliding cooperation between the traverse seat and the machine base and the setting of the traverse drive mechanism enable the spindle device to achieve stable and efficient movement in the Y-axis direction. The sliding cooperation between the lifting seat and the traverse seat and the setting of the lifting drive mechanism ensure the precise positioning of the spindle device in the Z-axis direction, further enhancing the accuracy and reliability of processing. These improvements have significantly improved the processing efficiency and product quality of the entire machining center.

[0010] Optionally, the transverse driving mechanism includes a first motor, a first screw and two first supports, the two first supports are fixed on the machine base, the first screw extends along the Y-axis direction, the two ends of the first screw are respectively rotatably connected to the two first supports, and the first screw is threadedly engaged with the transverse seat; the first motor is fixed to one of the first supports, and the output shaft of the first motor is fixedly connected to the end of the first screw.

[0011] By adopting the above technical solution, the traverse drive mechanism can accurately control the movement of the traverse seat along the Y-axis direction to ensure the positioning accuracy of the spindle device in the Y-axis direction. The first motor realizes the smooth movement of the traverse seat through the cooperation of the first screw rod and the first support, effectively reducing the error in the mechanical transmission process and improving the overall processing accuracy and stability of the machining center.

[0012] Optionally, the lifting drive mechanism includes a second motor, a first pulley, a second pulley, a conveyor belt, a second screw rod and two second supports, the two second supports are fixed on the transverse seat, the second screw rod extends in the vertical direction, and the two ends of the second screw rod are rotatably connected to the two second supports respectively; the second screw rod passes through the lifting seat, and the second screw rod is threaded on the lifting seat; the second motor is fixed on the transverse seat or the second support, the first pulley is sleeved on the output shaft of the second motor, and the first pulley is fixedly connected to the output shaft of the second motor; the second pulley is sleeved on the end of the second screw rod, the second pulley is fixedly connected to the second screw rod, and the conveyor belt is arranged around the first pulley and the second pulley.

[0013] By adopting the above technical solution, the second motor drives the first pulley to rotate, and the first pulley drives the second pulley to rotate through the transmission belt, thereby rotating the second screw rod. The second screw rod cooperates with the lifting seat thread, so that the rotational motion of the second screw rod is converted into the linear motion of the lifting seat, thereby realizing the precise lifting and lowering control of the lifting seat. This structure not only improves the stability and accuracy of the lifting process, but also simplifies the mechanical structure and reduces the maintenance cost.

[0014] Optionally, the automatic tool changing device includes a tool magazine mechanism and a tool changing mechanism, the tool magazine mechanism is arranged on the machine base, and the tool magazine mechanism is used to hold tools of different models; the tool changing mechanism is arranged on the tool magazine mechanism, and the tool changing mechanism is used to automatically install the tools needed in the processing process onto the spindle device.

[0015] By adopting the above technical solution, the automatic tool changer can quickly and accurately change different types of tools, significantly improving processing efficiency and flexibility. The tool magazine mechanism allows a variety of tools to be stored centrally, reducing the time for tool replacement and ensuring orderly management of tools. The automated tool change mechanism not only reduces the labor intensity of operators, but also improves the reliability and safety of the tool change process.

[0016] Optionally, an isolation mechanism is further included, which is arranged on the side wall of one of the columns. The isolation mechanism includes a partition, which is located between the automatic tool changing device and the spindle device, and the partition is provided with a tool changing port for the automatic tool changing device to pass through.

[0017] By adopting the above technical solution, the setting of the isolation mechanism effectively prevents chips from splashing and improves the safety of operation. The tool change port on the partition allows the automatic tool change device to pass smoothly, ensuring the smooth progress of the tool change process and improving the processing efficiency.

[0018] Optionally, the isolation mechanism also includes a first automatic door assembly, which includes a movable door and a sliding drive component. The movable door slides with the partition, and the sliding drive component is used to drive the movable door to slide along the Y-axis direction to open or close the tool changing port.

[0019] By adopting the above technical solution, the horizontal driving device includes a third motor, a third screw rod and two third supports, and the two third supports are fixed on the machine base; the third screw rod extends along the Y-axis direction, and the two ends of the third screw rod are respectively rotatably connected to the two third supports, and the third screw rod passes through the transverse movement seat and cooperates with the transverse movement seat thread; the third motor is installed on one of the third supports, and the output shaft of the third motor is fixedly connected to the end of the third screw rod.

[0020] Optionally, the offset double-swing head device includes a sliding seat, a flip seat, a flip drive mechanism, a rotating worktable and a rotating drive mechanism; the sliding seat is slidably matched with the machine base, and the horizontal drive device is used to drive the sliding seat to slide in the horizontal direction; both ends of the flip seat are rotatably connected to the sliding seat, the flip drive mechanism is arranged at one end of the sliding seat, and the flip drive mechanism is used to drive the flip seat to flip; the rotating worktable is rotatably connected to the flip seat, the rotating drive mechanism is used to drive the rotating worktable to rotate, and the rotating worktable is used to fix parts.

[0021] By adopting the above technical solution, the design of the offset double-swing head device allows parts to be accurately positioned and processed in multiple degrees of freedom. Specifically: the sliding seat and the machine base are slidably matched, and the horizontal drive device drives the sliding seat to slide in the horizontal direction, ensuring the precise positioning of the entire device in the horizontal direction. The two ends of the flip seat are rotatably connected to the sliding seat, and the flip drive mechanism is arranged at one end of the sliding seat, which can drive the flip seat to flip, so that the parts can be flipped in two mutually perpendicular directions, expanding the processing range. The rotary table is rotatably connected to the flip seat, and the rotary drive mechanism is used to drive the rotary table to rotate, so that the parts can rotate in another direction, further increasing the flexibility and accuracy of processing. The rotary table is used to fix the parts, ensuring stability and reliability during the processing.

[0022] Optionally, the horizontal drive device includes a third motor, a third screw rod and two third supports, and the two third supports are fixed on the machine base; the third screw rod extends along the Y-axis direction, and the two ends of the third screw rod are rotatably connected to the two third supports respectively, and the third screw rod passes through the sliding seat and cooperates with the sliding seat thread; the third motor is installed on one of the third supports, and the output shaft of the third motor is fixedly connected to the end of the third screw rod.

[0023] By adopting the above technical solution, accurate speed and position control can be achieved through electric drive, ensuring the accurate movement of the offset double swing head device in the Y-axis direction. The screw drive has the characteristics of high precision and high rigidity, which can effectively transmit power and ensure the smooth and correct movement of the offset double swing head device. The fixing and supporting function of the support enables the third screw to work under stable conditions to avoid errors caused by vibration or deformation. This mechanical matching method can achieve precise control of small displacements and further improve processing accuracy.

[0024] Optionally, it also includes a waste trough and a waste discharge device, wherein the waste trough is arranged on the base, one end of the waste trough is open, and the other end of the waste trough is closed; the waste discharge device includes a screw rod and a rotating drive component, the screw rod is located in the waste trough, one end of the screw rod is rotatably connected to the machine base, the rotating drive component is arranged on the machine base, and the rotating drive component is used to drive the screw rod to rotate.

[0025] By adopting the above technical solution, the waste trough and the waste discharge device can effectively collect and discharge the chips and waste in the processing process, preventing the accumulation of waste from affecting the processing quality and the normal operation of the equipment. Specifically, one end of the waste trough is open to facilitate the entry of waste, and the other end is closed to ensure that the waste does not overflow. The spiral rod rotates under the drive of the rotary drive member, pushing the waste out along the waste trough, ensuring the timely cleaning of the waste and improving the reliability and safety of the equipment.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. Through the coordinated work of the two-axis moving device and the horizontal driving device, the spindle device and the offset double swing head device can move accurately in multiple directions, realizing multi-faceted and five-axis linkage processing of the workpiece, significantly improving processing accuracy and production efficiency; 2. The automatic tool changer enables the spindle device to quickly change different types of tools, reducing downtime caused by tool change and further improving processing efficiency; 3. The setting of isolation mechanism and peripheral protective cover effectively isolates the processing area, improves the safety and operation convenience of the equipment, and also prevents waste chips from splashing and improves the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of a five-axis linkage fixed-beam machining center in an embodiment of the present application.

[0028] Figure 2 It is a structural schematic diagram of a machine base, a two-axis moving device, a spindle device, a tool changing device, an offset double-swing head device and a horizontal driving device in an embodiment of the present application.

[0029] Figure 3 It is a schematic diagram of the structure of the lifting drive mechanism, the flipping drive mechanism and the horizontal drive device in the embodiment of the present application.

[0030] Figure 4 It is a schematic diagram of the structure of the tank chain guard, the tool changing device, the partition and the first automatic door assembly in the embodiment of the present application.

[0031] Figure 5 It is a structural schematic diagram of the offset double swing head device,,, in the embodiment of the present application.

[0032] Description of reference numerals: 1. Machine base; 11. Base; 12. Crossbeam; 13. Column; 14. Movement channel; 15. Waste trough; 16. Pedal mechanism; 17. Pedal bracket; 2. Two-axis moving device; 21. Transverse shift seat; 22. Transverse shift drive mechanism; 221. First motor; 222. First screw rod; 223. First support; 23. Lifting seat; 24. Lifting drive mechanism; 241. Second motor; 242. First pulley; 243. Second pulley; 244. First conveyor belt; 245. Second screw rod; 246. Second support; 25. Tank chain guard; 3. Spindle device; 4. Tool changing device; 41. Tool magazine mechanism; 42. Tool changing mechanism; 5. Offset double-swing head device; 51. Sliding seat; 52. Flip seat; 53. Flip drive mechanism; 54. Rotating worktable; 55. Rotating drive mechanism; 6. Horizontal drive device; 61. Third motor; 62. Third screw rod; 63. Third support; 7. Isolation mechanism; 71. Partition; 72. First automatic door assembly; 721. Movable door; 722. Sliding drive member; 8. Waste discharge device; 81. Screw rod; 82. Rotating drive member; 9. Water tank for roller chip conveyor; 10. External protective cover; 101. Observation port; 102. Second automatic door assembly. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-5 This application is described in further detail.

[0034] The terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application. Unless otherwise defined, the technical terms or scientific terms used in this application should be the common meanings understood by those skilled in the art to which this application belongs. The "first", "second" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different components.

[0035] For ease of understanding, in this embodiment, the length direction of the X-axis is defined as the first direction, the length direction of the Y-axis is defined as the second direction, and the length direction of the Z-axis is defined as the vertical direction, and the five-axis linkage fixed-beam machining center is described based on this.

[0036] The present application embodiment discloses a five-axis linkage fixed beam machining center. Figure 1 and Figure 2The five-axis linkage fixed beam machining center includes a machine base 1, a two-axis moving device 2, a spindle device 3, an automatic tool changer 4, a horizontal drive device 6 and an offset double swing head device 5. The two-axis moving device 2 is arranged on the machine base 1, and the two-axis moving device 2 is used to drive the spindle device 3 to move in two different directions along the Y / Z axis. The automatic tool changer 4 is arranged on the machine base 1, and the automatic tool changer 4 is used to realize automatic tool change for the spindle device 3; the horizontal drive device 6 is arranged on the machine base 1, and the horizontal drive device 6 is used to drive the offset double swing head device 5 to move along the Y axis direction. The offset double swing head device 5 is used to fix the parts and drive the parts to rotate in two mutually perpendicular directions. It realizes efficient and accurate five-axis linkage processing, and significantly improves the processing accuracy and production efficiency.

[0037] Reference Figure 2 and Figure 3 The machine base 1 includes a base 11, a crossbeam 12 and two columns 13, wherein the length direction of the base 11 extends along a first direction, the crossbeam 12 extends along a second direction, the bottom ends of the two columns 13 are fixed to the base 11, the top ends of the two columns 13 are fixed to the crossbeam 12, and a motion channel 14 for the offset double swing head device 5 to move is formed between the two columns 13.

[0038] Reference Figure 2 The two-axis moving device 2 includes a traverse seat 21, a traverse driving mechanism 22, a lifting seat 23 and a lifting driving mechanism 24. The traverse seat 21 is slidably matched with the cross beam 12. The traverse driving mechanism 22 is arranged on the cross beam 12. The traverse driving mechanism 22 is used to drive the traverse seat 21 to move along the second direction. Tank chain guards 25 are arranged on both sides of the traverse seat 21. The lifting seat 23 is slidably matched with the traverse seat 21. The lifting driving mechanism 24 is arranged on the traverse seat 21. The lifting driving mechanism 24 is used to drive the lifting seat 23 to move up and down. The spindle device 3 is arranged on the lifting seat 23. The spindle device 3 is used to process parts.

[0039] Continue to refer to Figure 2 In this embodiment, the transverse driving mechanism 22 includes a first motor 221, a first screw rod 222 and two first supports 223, and the two first supports 223 are fixed to the side of the beam 12 close to the spindle device 3. The first screw rod 222 extends along the second direction, and the two ends of the first screw rod 222 are respectively passed through the two first supports 223, and the two ends of the first screw rod 222 are respectively rotatably connected to the two first supports 223. The first motor 221 is installed on one of the first supports 223, and the output shaft of the first motor 221 is fixedly connected to the end of the first screw rod 222, and the first motor 221 is used to drive the first screw rod 222 to rotate. The first screw rod 222 passes through the transverse seat 21, and the first screw rod 222 is threadedly matched with the transverse seat 21. The first motor 221 can select a servo motor or a stepper motor to improve the driving accuracy and response speed.

[0040] Reference Figure 3 and Figure 4 The lifting drive mechanism 24 includes a second motor 241, a first pulley 242, a second pulley 243, a first conveyor belt 244, a second screw rod 245 and two second supports 246. The two second supports 246 are fixed on the transverse seat 21, the second screw rod 245 extends in the vertical direction, the two ends of the second screw rod 245 are respectively rotatably connected with the two second supports 246, and the second screw rod 245 passes through the spindle device 3 and is threadedly engaged with the spindle device 3. The second motor 241 is fixed on the transverse seat 21, the first pulley 242 is sleeved on the output shaft of the second motor 241, and the first pulley 242 is fixedly connected to the output shaft of the second motor 241. The second pulley 243 is sleeved on one end of the second screw rod 245, and the second pulley 243 is fixedly connected to the second screw rod 245, and the first conveyor belt 244 is arranged around the first pulley 242 and the second pulley 243. The second motor 241 can also be a servo motor or a stepper motor to ensure the accuracy and stability of lifting.

[0041] Reference Figure 2 The automatic tool changing device 4 includes a tool magazine mechanism 41 and a tool changing mechanism 42. The tool magazine mechanism 41 is arranged on the outer side wall of one of the columns 13. The tool magazine mechanism 41 is used to hold a variety of different types of tools. The tool changing mechanism 42 is arranged on the tool magazine mechanism 41. The tool changing mechanism 42 is used to automatically install the tools needed in the processing process onto the spindle device 3. The tool magazine mechanism 41 can be a disc type or a multi-layer drawer type to accommodate more types of tools.

[0042] Reference Figure 4 , an isolation mechanism 7 is disposed on the side wall of one of the columns 13, the isolation mechanism 7 includes a partition 71 and a first automatic door assembly 72, the partition 71 is located between the automatic tool changer 4 and the spindle device 3, and a tool change port 711 is provided on the partition 71 for the automatic tool changer 4 to pass through. The first automatic door assembly 72 includes a movable door 721 and a sliding drive member 722, the movable door 721 is slidably matched with the partition 71, the sliding drive member 722 is disposed on the partition 71, and the sliding drive member 722 is used to drive the movable door 721 to slide along the first direction, thereby realizing opening or closing the tool change port 711. In this embodiment, the specific sliding drive member 722 can be a cylinder or a hydraulic cylinder, or a ball screw mechanism driven by a motor can be used to improve the degree of automation and reliability.

[0043] Reference Figure 2 and Figure 3The offset double swing head device 5 includes a sliding seat 51, a flip seat 52, a flip driving mechanism 53, a rotating table 54 and a rotating driving mechanism 55. The sliding seat 51 is slidably matched with the base 11, and the horizontal driving device 6 is used to drive the sliding seat 51 to slide along the first direction. The flip seat 52 extends along the first direction, and both ends of the flip seat 52 are rotatably connected to the sliding seat 51. The flip driving mechanism 53 is arranged at one end of the sliding seat 51. The flip driving mechanism 53 is used to drive the flip seat 52 to flip. The specific flip driving structure can be a motor gear mechanism. The rotating table 54 is rotatably connected to the flip seat 52. The rotating driving mechanism 55 is arranged inside the flip seat 52. The rotating driving mechanism 55 is used to drive the rotating table 54 to rotate. The rotating table 54 is used to fix parts. The specific rotating driving mechanism 55 can be a DD motor, or a combination of a servo motor and a reducer can be used to achieve high-precision and high-torque rotation.

[0044] Reference Figure 3 In this embodiment, the horizontal drive device 6 includes a third motor 61, a third screw rod 62 and two third supports 63. The two third supports 63 are fixed on the base 11. The third screw rod 62 extends along the first direction. The two ends of the third screw rod 62 are rotatably connected to the two third supports 63 respectively. The third motor 61 is installed on one of the third supports 63. The output shaft of the third motor 61 is fixedly connected to the end of the third screw rod 62. The third motor 61 is used to drive the third screw rod 62 to rotate. The third screw rod 62 passes through the sliding seat 51, and the third screw rod 62 is threadedly matched with the third sliding seat 51. The third motor 61 can also be a servo motor or a stepper motor to ensure the accuracy and stability of the drive.

[0045] Reference Figure 5 , waste troughs 15 are provided on both sides of the base 11, one end of the waste trough 15 is open, and the other end of the waste trough 15 is closed. At the same time, waste discharge devices 8 are provided on both sides of the base 11. The waste discharge device 8 includes a spiral rod 81 and a rotating drive member 82. The spiral rod 81 is spiral-shaped, and the spiral rod 81 is located in the waste trough 15. One end of the spiral rod 81 is rotatably connected to the closed end of the waste trough 15. The rotating drive member 82 is provided at one end of the base 11, and the rotating drive member 82 is used to drive the spiral rod 81 to rotate. The rotating drive member 82 can adopt a servo motor or a stepping motor to improve the efficiency and reliability of waste discharge.

[0046] Continue to refer to Figure 5 A roller chip conveyor water tank 9 is arranged outside the machine base 1, and one end of the waste trough 15 opening is located above the roller chip conveyor water tank 9 to facilitate the collection and treatment of waste. A pedal bracket 17 is arranged on the top of the waste trough 15 on one side. The pedal bracket 17 is made of strong and corrosion-resistant steel or stainless steel, both of which can withstand large pedaling force and are not easily deformed or damaged.

[0047] Reference Figure 1 and Figure 2 , an outer peripheral protective cover 10 is arranged on the outside of the machine base 1, and the two-axis moving device 2, the spindle device 3, the automatic tool changing device 4, the horizontal driving device 6 and the offset double swing head device 5 are all located inside the outer peripheral protective cover 10 to improve the safety and operation convenience of the equipment. An observation port 101 is also provided on the outer peripheral protective cover 10, and the observation port 101 is located between the offset double swing head device 5 and the pedal mechanism 16. A second automatic door assembly 102 for opening and closing the observation port 101 is also arranged on the outer peripheral protective cover 10, and the second automatic door assembly 102 has the same structure and principle as the first automatic door assembly 72.

[0048] The implementation principle of the above embodiment is: through one-time clamping of the workpiece, multi-faceted milling processing is realized, the production time is greatly shortened, and the processing time is greatly reduced by using advanced tools and high-speed processing technology, which significantly improves the processing accuracy and production efficiency. Specifically, the precise control of the transverse drive mechanism 22 and the lifting drive mechanism 24 ensures the accurate movement of the spindle device 3 in the Y-axis and Z-axis directions, while the offset double-swing head device 5 realizes multi-faceted processing of the workpiece by flipping and rotating, thereby avoiding the accumulation of errors caused by multiple clamping. The fast tool changing function of the automatic tool changing device 4 effectively reduces the tool changing time and improves production efficiency. In addition, the waste trough 15 and the waste discharge device 8 also greatly improve the workshop environment and improve the environmental performance of the equipment.

[0049] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A five-axis linkage fixed beam machining center, characterized in that: The invention comprises a machine base (1), a two-axis moving device (2), a main shaft device (3), an automatic tool changing device (4), a horizontal driving device (6) and an offset double swing head device (5); the two-axis moving device (2) is arranged on the machine base (1), the two-axis moving device (2) is used to drive the main shaft device (3) to move along two different directions of the Y / Z axis, the automatic tool changing device (4) is arranged on the machine base (1), the automatic tool changing device (4) is used to realize automatic tool changing for the main shaft device (3); the horizontal driving device (6) is arranged on the machine base (1), the horizontal driving device (6) is used to drive the offset double swing head device (5) to move along the X axis direction, and the offset double swing head device (5) is used to fix parts and drive the parts to rotate along two mutually perpendicular directions.

2. A five-axis linkage fixed beam machining center according to claim 1, characterized in that: The two-axis moving device (2) comprises a transverse shift seat (21), a transverse shift driving mechanism (22), a lifting seat (23) and a lifting driving mechanism (24); the transverse shift seat (21) is slidably matched with the machine base (1), the transverse shift driving mechanism (22) is arranged on the machine base (1), and the transverse shift driving mechanism (22) is used to drive the transverse shift seat (21) to move along the Y-axis direction; the lifting seat (23) is slidably matched with the transverse shift seat (21), the lifting driving mechanism (24) is arranged on the transverse shift seat (21), and the lifting driving mechanism (24) is used to drive the lifting seat (23) to rise and fall.

3. The five-axis linkage fixed beam machining center according to claim 2, characterized in that: The transverse driving mechanism (22) comprises a first motor (221), a first screw rod (222) and two first supports (223), the two first supports (223) are fixed on the machine base (1), the first screw rod (222) extends along the Y-axis direction, the two ends of the first screw rod (222) are respectively rotatably connected to the two first supports (223), and the first screw rod (222) is threadedly matched with the transverse seat (21); the first motor (221) is fixed on one of the first supports (223), and the output shaft of the first motor (221) is fixedly connected to the end of the first screw rod (222).

4. The five-axis linkage fixed beam machining center according to claim 2, characterized in that: The lifting drive mechanism (24) comprises a second motor (241), a first pulley (242), a second pulley (243), a conveyor belt, a second screw rod (245) and two second supports (246), the two second supports (246) are both fixed on the transverse shift seat (21), the second screw rod (245) extends in a vertical direction, and the two ends of the second screw rod (245) are respectively rotatably connected to the two second supports (246); the second screw rod (245) passes through the lifting seat (23), and the second screw rod (245) and the lifting seat (23) are connected to each other. thread; the second motor (241) is fixed on the transverse seat (21) or the second support (246); the first pulley (242) is sleeved on the output shaft of the second motor (241); the first pulley (242) is fixedly connected to the output shaft of the second motor (241); the second pulley (243) is sleeved on the end of the second screw rod (245); the second pulley (243) is fixedly connected to the second screw rod (245); the conveyor belt is arranged around the first pulley (242) and the second pulley (243).

5. The five-axis linkage fixed beam machining center according to claim 1, characterized in that: The automatic tool changing device (4) comprises a tool magazine mechanism (41) and a tool changing mechanism (42); the tool magazine mechanism (41) is arranged on the machine base (1), and is used to hold tools of different types; the tool changing mechanism (42) is arranged on the tool magazine mechanism (41), and is used to automatically install the tools required in the processing process onto the spindle device (3).

6. The five-axis linkage fixed beam machining center according to claim 5, characterized in that: The invention also comprises an isolation mechanism (7), wherein the isolation mechanism (7) is arranged on the side wall of one of the columns (13), and the isolation mechanism (7) comprises a partition plate (71), wherein the partition plate (71) is located between the automatic tool changing device (4) and the spindle device (3), and the partition plate (71) is provided with a tool changing port (711) for the automatic tool changing device (4) to pass through.

7. The five-axis linkage fixed beam machining center according to claim 6, characterized in that: The isolation mechanism (7) further comprises a first automatic door assembly (72), wherein the first automatic door assembly (72) comprises a movable door (721) and a sliding drive member (722), wherein the movable door (721) is slidably matched with the partition plate (71), and the sliding drive member (722) is used to drive the movable door (721) to slide along the Y-axis direction to open or close the tool changing port (711).

8. The five-axis linkage fixed beam machining center according to claim 7, characterized in that: The offset double-swing head device (5) comprises a sliding seat (51), a flip seat (52), a flip driving mechanism (53), a rotating worktable (54) and a rotating driving mechanism (55); the sliding seat (51) is slidably matched with the machine base (1), and the horizontal driving device (6) is used to drive the sliding seat (51) to slide in the horizontal direction; both ends of the flip seat (52) are rotationally connected to the sliding seat (51), the flip driving mechanism (53) is arranged at one end of the sliding seat (51), and the flip driving mechanism (53) is used to drive the flip seat (52) to flip; the rotating worktable (54) is rotationally connected to the flip seat (52), the rotating driving mechanism (55) is used to drive the rotating worktable (54) to rotate, and the rotating worktable (54) is used to fix parts.

9. The five-axis linkage fixed beam machining center according to claim 8, characterized in that: The horizontal driving device (6) comprises a third motor (61), a third screw rod (62) and two third supports (63), wherein the two third supports (63) are fixed on the machine base (1); the third screw rod (62) extends along the Y-axis direction, and the two ends of the third screw rod (62) are respectively rotatably connected to the two third supports (63), and the third screw rod (62) passes through the sliding seat (51) and is threadedly engaged with the sliding seat (51); the third motor (61) is installed on one of the third supports (63), and the output shaft of the third motor (61) is fixedly connected to the end of the third screw rod (62).

10. The five-axis linkage fixed beam machining center according to claim 1, characterized in that: The machine also comprises a waste trough (15) and a waste discharge device (8), wherein the waste trough (15) is arranged on the base (11), one end of the waste trough (15) is open, and the other end of the waste trough (15) is closed; the waste discharge device (8) comprises a screw rod (81) and a rotary drive member (82), wherein the screw rod (81) is located in the waste trough (15), one end of the screw rod (81) is rotatably connected to the machine base (1), and the rotary drive member (82) is arranged on the machine base (1), and the rotary drive member (82) is used to drive the screw rod (81) to rotate.

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