Cross-rail type gantry five-axis linkage machining center

Abstract

The invention relates to the field of machining equipment, in particular to a cross-rail type gantry five-axis linkage machining center which comprises a base, a machining table, a first sliding seat, a first sliding driving device, a second sliding seat, a second sliding driving device, a lifting seat, a lifting driving device, a rotating seat, a rotating driving device, a machining device and a tool changing device. According to the structure, multi-axis linkage machining can be achieved, the machining precision and efficiency are improved, and good stability and reliability are achieved.

Description

Technical Field

[0001] The present application relates to the field of mechanical processing equipment, and in particular to a cross-track gantry five-axis linkage machining center. Background Art

[0002] With the continuous advancement of industrial manufacturing technology, the demand for multi-faceted and five-axis machining of complex parts in large molds, auto parts, industrial machinery, aviation structural parts and other related industries is growing. These parts are usually characterized by high precision, high complexity and high added value, which places extremely high demands on the rigidity, speed and precision of the processing equipment.

[0003] The related art discloses a five-axis linkage machining center, including a frame, a gantry slide, which is coupled to the top of the frame through an X-axis linear drive mechanism; a sliding frame, which is coupled to the side wall of the gantry slide through a Y-axis linear drive mechanism; a mounting seat, which is coupled to the side wall of the sliding frame through a Z-axis linear drive mechanism; a machining head, which is arranged at the bottom of the mounting seat, and the machining head includes a spindle, a tool holder, a machining tool and a rotating frame, the spindle is rotatably connected to the inner wall of the mounting seat, the rotating frame is rotatably connected to the outer wall of the spindle, and the tool holder is rotatably connected to the The processing tool is installed on the inner wall of the rotating frame, and the processing tool is installed on the bottom of the tool holder. The outer wall of the main shaft is fixedly connected with bevel gear 1, and the outer wall of the tool holder is fixedly connected with bevel gear 2, and bevel gear 1 and bevel gear 2 are meshed with each other; and the side wall of the mounting seat is fixedly connected with motor 1, and the bottom of the mounting seat is also provided with a switchable transmission component, and the switchable transmission component has two transmission stations, which are respectively: station 1, motor 1 and spindle transmission surface are engaged, and the rotating frame and the mounting seat are locked and matched, station 2, motor 1 and spindle transmission are matched, and the spindle and the rotating frame transmission are matched.

[0004] Traditional five-axis machining centers are difficult to achieve multi-faceted one-time machining, and require multiple clamping and repositioning, which increases machining time and cost. At the same time, due to the lack of rigidity of the equipment, especially when machining large and complex parts, it is easy to cause a decrease in machining accuracy. In addition, the tool wears quickly and the machining time is long, which seriously affects production efficiency and product quality. Therefore, how to improve the rigidity of the machining center, reduce the number of clamping times, and extend the tool life has become an urgent problem to be solved. Summary of the invention

[0005] In order to overcome the problems of difficult multi-sided one-time machining, insufficient equipment rigidity, and rapid tool wear in traditional five-axis linkage machining centers when machining complex parts, the present application provides a cross-track gantry five-axis linkage machining center.

[0006] The present application provides a cross-track gantry five-axis linkage machining center adopts the following technical solution: A cross-track gantry five-axis linkage machining center comprises a base, a machining table, a first sliding seat, a first sliding drive device, a second sliding seat, a second sliding drive device, a lifting seat, a lifting drive device, an offset double-swing head device, a machining device and a tool changing device; the machining table is arranged on the base, and the machining table is used to place a workpiece; the first sliding seat is slidingly arranged on the top of the base, the first sliding drive device is arranged on the base, and the first sliding drive device is used to drive the first sliding seat to slide in a horizontal direction; the second sliding seat is slidingly arranged on the first sliding seat, and its sliding direction is perpendicular to the sliding direction of the first sliding seat, and the second sliding drive device is arranged on the first sliding seat, Used to drive the second sliding seat to slide in the horizontal direction; the lifting seat is slidably arranged on the second sliding seat, and the lifting drive device is installed inside or outside the second sliding seat and connected thereto, and is used to drive the lifting seat to rise and fall in the vertical direction to achieve adjustment of processing depth or height; the offset double-swing head device is arranged at the bottom end of the lifting seat, and is used to achieve adjustment of two rotational degrees of freedom of the workpiece during the processing; the processing device is arranged at the end of the offset double-swing head device, and the processing device includes at least one rotatable and / or feed spindle, which is used to perform processing operations such as cutting, drilling, and milling on the workpiece; the tool changing device is arranged on the base, and is used to automatically replace the tool on the processing device.

[0007] By adopting the above technical scheme, through the base, the processing table, the first sliding seat, the second sliding seat, the lifting seat, the offset double swing head device and its corresponding drive device, the precise movement of the workpiece in three linear directions and two rotational directions is realized, meeting the multi-faceted and five-axis linkage processing requirements of complex parts; the precision drive devices of each sliding seat and the lifting seat ensure the positioning accuracy in all directions, improve the processing accuracy, and reduce the error caused by insufficient equipment rigidity; the setting of the tool changing device makes the tool replacement process faster and more convenient, reduces downtime, and improves production efficiency; the processing device includes at least one rotatable and / or feed spindle, which can perform cutting, drilling, milling and other processing operations, enhancing the versatility of the equipment; through the coordinated movement of multiple degrees of freedom, the operation of multiple processing surfaces can be completed in one clamping, reducing the cumulative error caused by multiple clamping, shortening the processing cycle, and reducing production costs; the efficient, precise and multi-functional processing capabilities of the cross-track gantry five-axis linkage machining center are realized.

[0008] Optionally, the first sliding drive device includes a first screw rod, a first driving mechanism and two first supports; the two first supports are fixed on the base, and the two ends of the first screw rod are rotatably connected to the two first supports respectively; the first screw rod passes through the first sliding seat, and the first screw rod is threadedly engaged with the first sliding seat; the first driving mechanism is arranged on one of the first supports, and the first driving mechanism is used to drive the first screw rod to rotate.

[0009] By adopting the above technical solution, the structural design of the first sliding drive device enables the first sliding seat to slide smoothly and accurately on the base. Specifically, the threaded fit between the first screw and the first sliding seat ensures the stability and accuracy of the sliding. At the same time, the first drive mechanism drives the first screw to rotate, thereby achieving precise positioning and efficient transmission of the first sliding seat. This design improves the overall rigidity and motion accuracy of the machining center, reduces machining errors, and improves machining quality and production efficiency.

[0010] Optionally, the second sliding drive device includes a second screw rod, a second driving mechanism and two second supports; the two second supports are fixed on the base, 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 second sliding seat, and the second screw rod is threadedly engaged with the second sliding seat; the second driving mechanism is arranged on one of the second supports, and the second driving mechanism is used to drive the second screw rod to rotate.

[0011] By adopting the above technical solution, the second sliding drive device adopts a combination of a second screw and a second drive mechanism to achieve precise control of the second sliding seat in the horizontal direction. Specifically, the threaded fit between the second screw and the second sliding seat ensures the stability and accuracy of the transmission, while the second drive mechanism is responsible for driving the second screw to rotate, thereby achieving precise positioning of the second sliding seat. This design not only improves the overall rigidity and stability of the machining center, but also significantly improves the accuracy and efficiency of multi-faceted and five-axis linkage machining, reduces machining errors caused by insufficient equipment rigidity, and further improves production quality and efficiency.

[0012] Optionally, the second driving mechanism includes an adjusting seat, a first driving member, a driving pulley, a driven pulley and a toothed belt; the adjusting seat is fixed on the first sliding seat, and the first driving member is arranged on the adjusting seat; the first driving member is used to drive the driving pulley to rotate, and the driven pulley is sleeved on the end of the second screw rod and fixedly connected to the end of the second screw rod; the toothed belt is arranged around the driving pulley and the driven pulley, the driving pulley and the toothed belt are meshed with each other, and the driven pulley and the toothed belt are meshed with each other.

[0013] By adopting the above technical solution, the structural design of the second drive mechanism makes the movement of the second sliding seat more stable and precise. Specifically, the fixed position of the adjustment seat ensures the stable operation of the first driving member, and the driving pulley and the driven pulley are driven by the toothed belt to effectively transmit power, reduce transmission errors, and improve the positioning accuracy of the second sliding seat. At the same time, this transmission method reduces friction loss, extends the service life of the equipment, and improves processing efficiency and product quality.

[0014] Optionally, an adjustment groove is provided on the adjustment seat, a bolt is passed through the adjustment groove, and the bolt is threadably matched with the adjustment seat.

[0015] By adopting the above technical solution, the adjustment grooves and bolts on the adjustment seat can achieve accurate adjustment and fixation of the position of the adjustment seat. This design improves the flexibility and adaptability of the equipment, so that the position of the sliding seat can be quickly adjusted and corrected under different working conditions, ensuring the stability and accuracy of the processing process. At the same time, the threaded fit of the bolt and the adjustment seat enhances the stability of the adjustment seat, prevents position deviation due to vibration or other factors during the processing, and further improves the processing quality and efficiency.

[0016] Optionally, the tool changing device includes a base, a tool slide, a first sliding drive, a tool holder, a tool magazine mechanism and a tool changing robot; the base is fixed on the pedestal, and the tool slide slides with the base; the first sliding drive is arranged on the base, and the first sliding drive is used to drive the tool slide to slide in a direction close to or away from the processing device; the tool holder is arranged on the tool slide; the tool magazine mechanism includes a chain, a driving sprocket, a driven sprocket, a second drive member and a plurality of tool clamps; the chain is wound around the driving sprocket and the driven sprocket, and a plurality of tool clamps are fixed on the chain at equal intervals; the second drive member is arranged on the tool holder, and the second drive member is used to drive the driving sprocket to rotate, thereby driving the chain and the tool clamp to move in a cycle; the tool changing robot is arranged on the tool holder, and the tool changing robot is used to grasp, carry and install the tool changing device.

[0017] By adopting the above technical solution, the tool changing device realizes the automated management and replacement of the tool, and can accurately grasp, transport and install the tool, thereby effectively improving the processing efficiency and automation level. During the processing, the first sliding drive can drive the tool slide to slide in the direction close to or away from the processing device, so that the tool changing robot can easily approach the tool magazine mechanism to select and replace the tool. The tool magazine mechanism realizes the cyclic movement of multiple tool holders through the cooperation of the chain, the driving sprocket, the driven sprocket and the second drive member, so that the tools can be arranged and moved in an orderly manner, which is convenient for the tool changing robot to grasp; it can significantly improve the processing efficiency and automation level, and reduce the difficulty and intensity of manual operation.

[0018] Optionally, an isolation device is provided on the base, and the isolation device is located between the processing device and the tool changing device; the isolation device includes an isolation plate, and a passage opening is provided on the isolation plate for the tool changing device to pass through; an automatic shielding mechanism is provided on the isolation plate, and the automatic shielding mechanism includes a shielding plate and a second sliding drive member, and the shielding plate slides with the isolation plate; the second sliding drive member is provided on the isolation plate, and the second sliding drive member is used to drive the isolation plate to slide toward or away from the passage opening.

[0019] By adopting the above technical solution, the isolation device can effectively separate the workpiece processing area from the tool changing device, avoid the chips and coolant generated during the processing from contaminating the tool changing device, and improve the service life and processing quality of the tool; the automatic shielding mechanism can automatically shield the channel opening after the tool changing operation is completed, further enhance the isolation effect, and reduce maintenance costs.

[0020] Optionally, chip removal devices are provided on both sides of the workbench, and the chip removal devices include a supporting plate, a spiral chip removal member and a third driving mechanism; the supporting plate is provided on the base, and the supporting plate is located on one side of the processing table; a chip removal channel is provided on the upper surface of the supporting plate, and the spiral chip removal member is rotatably provided in the chip removal channel; the third driving mechanism is provided on the supporting plate, and the third driving mechanism is used to drive the spiral chip removal member to rotate.

[0021] By adopting the above technical solution, the chip removal device can efficiently collect and transport the chips generated during the processing from the processing table, effectively reducing the time of manual cleaning and improving the processing efficiency. The spiral chip removal member rotates under the drive of the third drive mechanism to ensure that the chips are smoothly discharged along the chip removal channel, avoiding workbench contamination and tool wear caused by chip accumulation.

[0022] Optionally, a filter screen is fixedly disposed on the upper surface of the bearing plate, and the filter screen is located above the chip removal channel.

[0023] By adopting the above technical solution, the filter can effectively intercept large-particle chips and prevent them from entering the chip removal channel, reduce the blockage phenomenon during the chip removal process, and improve the chip removal efficiency. At the same time, the filter can also protect the spiral chip removal parts from the impact of large-particle chips, extend their service life, and ensure the stable operation of the chip removal system.

[0024] Optionally, a water tank device is also included, and the water tank device is used to provide cooling water for the processing device.

[0025] By adopting the above technical solution, the water tank device can provide cooling water for the processing device, effectively reduce the heat generated during the processing, and improve the processing accuracy and tool life.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. By adopting a cross-track gantry structure, combined with the multi-stage movement of the first sliding seat, the second sliding seat, the lifting seat and the offset double swing head device, multi-faceted one-time processing of the workpiece is achieved, which significantly reduces the number of clamping times and improves processing efficiency and precision; 2. The screw drive mode in the first sliding drive device and the second sliding drive device is used to ensure the stability and rigidity of each moving part, effectively improving the accuracy and stability during the processing; 3. Equipped with an automatic tool changing device, it can quickly change tools during processing, extend the tool life, reduce the risk of production interruption caused by frequent shutdowns for tool changes, and improve overall production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0028] Figure 2 It is a schematic diagram of the structure of the base, processing table, offset double swing head device, processing device, etc. in the embodiment of the present application.

[0029] Figure 3 It is a schematic diagram of the structure of the base, isolation device, chip removal device and tool changing device in the embodiment of the present application.

[0030] Figure 4 yes Figure 2 A partial enlarged view of part A.

[0031] Figure 5 It is a schematic diagram of the structure of the tool changing device in the embodiment of the present application.

[0032] Figure 6 It is a schematic diagram of the structure of the isolation device in the embodiment of the present application.

[0033] Figure 7It is a schematic diagram of the structure of the chip removal device in the embodiment of the present application.

[0034] Description of reference numerals: 1. Base; 2. Processing table; 3. First sliding seat; 4. Second sliding seat; 5. Second sliding drive device; 51. Second screw rod; 52. Second driving mechanism; 521. Adjusting seat; 522. First driving member; 523. Driven pulley; 524. Toothed belt; 53. Second support; 6. Isolation device; 61. Isolation plate; 62. Channel opening; 63. Automatic shielding mechanism; 631. Shielding plate; 632. Second sliding drive member; 7. Chip removal device; 71. Carrying plate member; 72. Spiral chip removal member; 73. Third driving mechanism; 74. Chip removal channel; 75. Filter Net; 8. Processing device; 9. Tool changing device; 91. Base; 92. Tool slide; 93. First sliding drive member; 94. Tool holder; 95. Tool magazine mechanism; 951. Chain; 952. Driving sprocket; 953. Driven sprocket; 954. Second drive member; 955. Tool clamp; 96. Tool changing manipulator; 10. Lifting seat; 11. Offset double swing head device; 12. Water tank device; 13. First tank chain protective cover; 14. Second tank chain protective cover; 15. Steps; 16. First climbing ladder; 17. Second climbing ladder; 18. Protective cover; 19. Safety door. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-7 This application is described in further detail.

[0036] 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.

[0037] For ease of understanding, in the horizontal direction of this embodiment, the sliding direction of the first sliding seat 3 is defined as the first direction, and the sliding direction of the second sliding seat 4 is defined as the second direction, and the cross-track gantry five-axis linkage machining center is described on this basis.

[0038] The present application embodiment discloses a cross-track gantry five-axis linkage machining center. Figure 1 , Figure 2 and Figure 3 The cross-track gantry five-axis linkage machining center includes a base 1, a machining table 2, a first sliding seat 3, a first sliding drive device, a second sliding seat 4, a second sliding drive device 5, a lifting seat 10, a lifting drive device, an offset double swing head device 11, a machining device 8 and a tool changing device 9.

[0039] Continue to refer to Figure 2 and Figure 3 The processing table 2 is arranged on the base 1, and the processing table 2 is used to place the workpiece; the first sliding seat 3 is slidably arranged on the top of the base 1, and the first sliding driving device is arranged on the base 1, and the first sliding driving device is used to drive the first sliding seat 3 to slide in the horizontal direction; the second sliding seat 4 is slidably arranged on the first sliding seat 3, and its sliding direction is perpendicular to the sliding direction of the first sliding seat 3, and the second sliding driving device 5 is arranged on the first sliding seat 3, and is used to drive the second sliding seat 4 to slide in the horizontal direction; the lifting seat 10 is slidably arranged on the second sliding seat 4, and the lifting driving device is installed inside or outside the second sliding seat 4 and connected thereto, and is used to drive the lifting seat 10 to slide in the vertical direction. It can be lifted and lowered in the vertical direction to adjust the processing depth or height; the offset double-swing head device 11 is arranged at the bottom end of the lifting seat 10, and is used to adjust the two rotational degrees of freedom of the tool during the processing to meet the processing requirements of complex curved surfaces; the processing device 8 is arranged at the end of the offset double-swing head device 11, and the processing device 8 includes at least one rotatable and / or feed spindle, which is used for cutting, drilling, milling and other processing operations on the workpiece; the tool changing device 9 is arranged on the base 1, and is used to automatically replace the tool on the processing device 8, which significantly improves the processing quality and production efficiency of complex parts and meets the high precision and high efficiency requirements of modern industrial manufacturing.

[0040] Reference Figure 2 and Figure 3 Specifically, the base 1 ensures the stability of the entire machining center. The machining table 2 can be provided with a plurality of positioning pins and clamping devices for accurately fixing the workpiece to prevent displacement during machining. The first sliding seat 3 is slidingly arranged on the base 1. The first sliding seat 3 is made of high-strength ductile iron or a steel structure frame. Two roller guide rails are arranged in parallel on the base 1, and the first sliding seat 3 cooperates with it.

[0041] Continue to refer to Figure 2 and Figure 3 In this embodiment, the first sliding drive device includes a first screw rod, a first driving mechanism and two first supports. The two first supports are fixed on the base 1, and the two ends of the first screw rod are rotatably connected to the two first supports respectively; the first screw rod passes through the first sliding seat 3, and the first screw rod is threadedly matched with the first sliding seat 3; the first driving mechanism includes a servo motor. The first driving mechanism is arranged on one of the first supports, and the first driving mechanism is used to drive the first screw rod to rotate.

[0042] Continue to refer to Figure 2 and Figure 3A first tank chain protective cover 13 is provided on both sides of the top of the base 1, and the first tank chain protective cover 13 extends along the first direction. One side of the first tank chain protective cover 13 is connected to the first sliding seat 3, and the other end of the first tank chain protective cover 13 is connected to the top of the base 1, and the first sliding drive device is located inside the first tank chain protective cover 13. The drive device can be prevented from being disturbed by the external environment during operation, such as dust, debris, moisture, etc., thereby extending the service life and reliability of the drive device.

[0043] Reference Figure 2 and Figure 4 The second sliding seat 4 is slidingly arranged on the first sliding seat 3, and its sliding direction is perpendicular to the sliding direction of the first sliding seat 3. The second sliding seat 4 is made of high-specification HT-300 cast iron, which is subjected to secondary tempering and aging treatment to ensure the stability of the casting material, high rigidity and stability. Two roller guides are vertically arranged on the first sliding seat 3, and the second sliding seat 4 cooperates with it. The second sliding drive device 5 includes a second screw 51, a second driving mechanism 52 and two second supports 53; the two second supports 53 are fixed on the first sliding seat 3, and the two ends of the second screw 51 are respectively rotatably connected to the two second supports 53; the second screw 51 passes through the second sliding seat 4, and the second screw 51 is threadedly matched with the second sliding seat 4; the second driving mechanism 52 includes a first driving member 522 arranged on one of the second supports 53, and the second driving mechanism 52 is used to drive the second screw 51 to rotate.

[0044] Reference Figure 4 The second driving mechanism 52 includes an adjusting seat 521, a first driving member 522, a driving pulley, a driven pulley 523 and a toothed belt 524. The adjusting seat 521 is fixed on the first sliding seat 3, and the first driving member 522 is arranged on the adjusting seat 521; the first driving member 522 is used to drive the driving pulley to rotate, and the driven pulley 523 is sleeved on the end of the second screw rod 51 and fixedly connected with the end of the second screw rod 51; the toothed belt 524 is arranged around the driving pulley and the driven pulley 523, and the driving pulley and the toothed belt 524 are meshed with each other, and the driven pulley 523 and the toothed belt 524 are meshed with each other. The structural design of the second driving mechanism 52 makes the movement of the second sliding seat 4 more stable and accurate. Specifically, the fixed position of the adjusting seat 521 ensures the stable operation of the first driving member 522, and the driving pulley and the driven pulley 523 are driven by the toothed belt 524, which effectively transmits power, reduces transmission errors, and improves the positioning accuracy of the second sliding seat 4. At the same time, this transmission method reduces friction loss, extends the service life of the equipment, and improves processing efficiency and product quality.

[0045] Continue to refer to Figure 4, an adjustment slot 525 is provided on the adjustment seat 521, a bolt is passed through the adjustment slot 525, and the bolt is threadedly matched with the adjustment seat 521. The adjustment slot 525 provided on the adjustment seat 521 and the bolt passed through can realize the precise adjustment and fixation of the position of the adjustment seat 521. The flexibility and adaptability of the equipment are improved, so that the position of the sliding seat can be quickly adjusted and corrected under different working conditions, ensuring the stability and accuracy of the processing process. At the same time, the threaded match between the bolt and the adjustment seat 521 enhances the stability of the adjustment seat 521, prevents position deviation due to vibration or other factors during the processing, and further improves the processing quality.

[0046] Reference Figure 2 Two second tank chain guards 14 are arranged on both sides of the second sliding seat 4, one end of each second tank chain guard 14 is fixedly connected to one side of the second sliding seat 4, and the other end of each second tank chain guard 14 is fixedly connected to the end of the first sliding seat 3, and the second driving mechanism 52 is located inside the second tank chain guard 14.

[0047] Reference Figure 3 and Figure 5 The tool changing device 9 includes a base 91, a tool slide 92, a first sliding drive 93, a tool holder 94, a tool magazine mechanism 95 and a tool changing manipulator; the base 91 is fixed on the base 1, and the tool slide 92 slides with the base 91. In this embodiment, the specific first sliding drive 93 is a cylinder, the first sliding drive 93 is arranged on the base 91, and the first sliding drive 93 is used to drive the tool slide 92 to slide in a direction close to or away from the processing device 8. The tool holder 94 is arranged on the tool slide 92; the tool magazine mechanism 95 includes a chain 951, a driving sprocket 952, a driven sprocket 953, a second driving member 954 and a plurality of tool clamps 955; the chain 951 is made of stainless steel material and is wound around the driving sprocket 952 and the driven sprocket 953, and a plurality of tool clamps 955 are fixed on the chain 951 at equal intervals, and the second driving member 954 drives the driving sprocket 952 to rotate, thereby driving the chain 951 and the tool clamps 955 to move in a cycle; a tool changing robot is arranged on the tool holder 94, and the tool changing robot is used to grab, carry and install tools.

[0048] Reference Figure 3 and Figure 6, an isolation device 6 is arranged on the base 1, and the isolation device 6 is located between the processing device 8 and the tool changing device 9; the isolation device 6 includes an isolation plate 61, and a passage opening 62 for the tool changing device 9 to pass through is opened on the isolation plate 61; an automatic shielding mechanism 63 is arranged on the isolation plate 61, and the automatic shielding mechanism 63 includes a shielding plate 631 and a second sliding driving member 632, and the shielding plate 631 and the isolation plate 61 are slidably matched; the second sliding driving member 632 is arranged on the isolation plate 61, and the second sliding driving member 632 is used to drive the isolation plate 61 to slide toward or away from the passage opening 62. The isolation device 6 can effectively separate the workpiece processing area from the tool changing device 9, avoid the chips and coolant generated during the processing from contaminating the tool changing device 9, and improve the service life and processing quality of the tool; the automatic shielding mechanism 63 can automatically shield the passage opening 62 after the tool changing operation is completed, further enhance the isolation effect, and reduce the maintenance cost.

[0049] Reference Figure 3 and Figure 7 , chip removal devices 7 are arranged on both sides of the workbench, and the chip removal devices 7 include a bearing plate 71, a spiral chip removal member 72 and a third driving mechanism 73. The bearing plate 71 is arranged on the base 1, and the bearing plate 71 is located on one side of the processing table 2. The bearing plate 71 is made of carbon steel; a chip removal channel 74 is arranged on the upper surface of the bearing plate 71, and the spiral chip removal member 72 is rotatably arranged in the chip removal channel 74, and is made of high-strength stainless steel; the third driving mechanism 73 is arranged on the bearing plate 71, and the third driving mechanism 73 adopts a servo motor to drive the spiral chip removal member 72 to rotate. A mesh filter 75 is fixedly arranged on the upper surface of the bearing plate 71, and the filter 75 is made of stainless steel and is located above the chip removal channel 74. The mesh filter 75 can filter large debris and waste materials to prevent them from entering the chip removal channel 74.

[0050] Reference Figure 1 , the front of the base 1 is provided with steps 15, which is convenient for operators to go up and down the machining center or to carry out daily maintenance and inspection of the equipment. These steps 15 are designed to be spacious and stable, ensuring that the operators can be safe and stable when going up and down.

[0051] Reference Figure 3 A first climbing ladder 16 is arranged behind the base 1. The first climbing ladder 16 is arranged at an angle to facilitate maintenance personnel to climb to the top or rear of the machining center to perform necessary maintenance and inspection work. The anti-slip texture design of the climbing ladder increases surface friction, which not only improves safety but also increases comfort.

[0052] Continue to refer to Figure 3A second climbing ladder 17 is arranged behind the first sliding seat 3, so that an operator or maintenance personnel can approach the first sliding seat 3 from the rear side or carry out relevant operation and maintenance work. Similarly, each step of the second climbing ladder 17 is designed to be stable and non-slip to ensure safety.

[0053] Continue to refer to Figure 3 A water tank device 12 is provided behind the base 1, and the water tank device 12 is located on one side of the base 1. The water tank device 12 is used to provide cooling water for the processing device 8. The water tank device 12 can provide cooling water for the processing device 8, effectively reduce the heat generated during the processing, and improve the processing accuracy and tool life.

[0054] Reference Figure 1 A plurality of protective covers 18 are arranged on both sides of the base 1. These protective covers 18 are mainly used to protect the mechanical structure and electrical components inside the machining center. On the one hand, they can prevent them from being damaged by the external environment, such as the invasion of dust and debris. On the other hand, they can ensure operational safety and play an important role in environmental protection. At the same time, they can also improve the overall appearance and function of the machine tool, thereby extending the service life of the machine tool.

[0055] Continue to refer to Figure 1 Two safety doors 19 are slidingly provided on one side of the base 1 close to the step 15. The design of these two safety doors 19 fully considers the safety of the operator. When the machining center is running, the safety door 19 is in a closed state, which can effectively prevent the operator from accidentally touching or entering the dangerous area, thereby avoiding accidents. When equipment maintenance or inspection is required, the operator can easily open the safety door 19 and enter the interior of the machining center to perform corresponding operations. The safety door 19 is also equipped with safety devices such as safety locks and warning lights to further ensure the safety of the operation process.

[0056] Continue to refer to Figure 1 In addition, these safety doors 19 also have good sealing performance, which can prevent interference from the external environment, such as dust and debris, from entering the interior of the machining center, thereby extending the service life and reliability of the equipment. At the same time, the opening and closing operations of the safety doors 19 are also very simple, and the operator can easily complete them, which improves work efficiency.

[0057] The implementation principle of this embodiment is as follows: through the base 1, the processing table 2, the first sliding seat 3, the second sliding seat 4, the lifting seat 10, the offset double swing head device 11 and its corresponding driving device, the workpiece is accurately moved in three linear directions and two rotational directions, meeting the multi-faceted and five-axis linkage processing requirements of complex parts; the precision driving devices of each sliding seat and the lifting seat 10 ensure the positioning accuracy in all directions, improve the processing accuracy, and reduce the error caused by insufficient equipment rigidity; the setting of the tool changing device 9 makes the tool replacement process faster and more convenient, reduces downtime, and improves production efficiency; the processing device 8 includes at least one rotatable and / or feed spindle, which can perform cutting, drilling, milling and other processing operations, enhancing the versatility of the equipment; through the coordinated movement of multiple degrees of freedom, the operation of multiple processing surfaces can be completed in one clamping, reducing the cumulative error caused by multiple clamping, shortening the processing cycle, and reducing the production cost; the efficient, precise and multifunctional processing capability of the cross-track gantry five-axis linkage machining center is realized.

[0058] 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 cross-track gantry five-axis linkage machining center, characterized in that: The invention comprises a base (1), a processing table (2), a first sliding seat (3), a first sliding drive device, a second sliding seat (4), a second sliding drive device (5), a lifting seat (10), a lifting drive device, an offset double swing head device (11), a processing device (8) and a tool changing device (9); the processing table (2) is arranged on the base (1), and the processing table (2) is used to place a workpiece; the first sliding seat (3) is slidingly arranged on the top of the base (1), the first sliding drive device is arranged on the base (1), and the first sliding drive device is used to drive the first sliding seat (3) to slide in a horizontal direction; the second sliding seat (4) is slidingly arranged on the first sliding seat (3), and its sliding direction is perpendicular to the sliding direction of the first sliding seat (3), and the second sliding drive device (5) is arranged on the first sliding seat (3). The lifting seat (10) is slidably arranged on the second sliding seat (4), and the lifting drive device is installed inside or outside the second sliding seat (4) and connected thereto, and is used to drive the lifting seat (10) to rise and fall in the vertical direction to adjust the processing depth or height; the offset double swing head device (11) is arranged at the bottom end of the lifting seat (10), and is used to adjust the two rotational degrees of freedom of the workpiece during the processing; the processing device (8) is arranged at the end of the offset double swing head device (11), and the processing device (8) includes at least one rotatable and / or feedable spindle, and is used to perform processing operations such as cutting, drilling, milling, etc. on the workpiece; the tool changing device (9) is arranged on the base (1), and is used to automatically replace the tool on the processing device (8).

2. A cross-track gantry five-axis linkage machining center according to claim 1, characterized in that: The first sliding drive device comprises a first screw rod, a first driving mechanism and two first supports; the two first supports are fixed on the base (1), and the two ends of the first screw rod are rotatably connected to the two first supports respectively; the first screw rod passes through the first sliding seat (3), and the first screw rod is threadedly matched with the first sliding seat (3); the first driving mechanism is arranged on one of the first supports, and the first driving mechanism is used to drive the first screw rod to rotate.

3. The cross-track gantry five-axis linkage machining center according to claim 1, characterized in that: The second sliding drive device (5) comprises a second screw rod (51), a second driving mechanism (52) and two second supports (53); the two second supports (53) are fixed on the base (1), and the two ends of the second screw rod (51) are rotatably connected to the two second supports (53) respectively; the second screw rod (51) passes through the second sliding seat (4), and the second screw rod (51) is threadedly matched with the second sliding seat (4); the second driving mechanism (52) is arranged on one of the second supports (53), and the second driving mechanism (52) is used to drive the second screw rod (51) to rotate.

4. A cross-track gantry five-axis linkage machining center according to claim 3, characterized in that: The second driving mechanism (52) comprises an adjusting seat (521), a first driving member (522), a driving pulley, a driven pulley (523) and a toothed belt (524); the adjusting seat (521) is fixed on the first sliding seat (3), and the first driving member (522) is arranged on the adjusting seat (521); the first driving member (522) is used to drive the driving pulley to rotate, and the driven pulley (523) is sleeved on the end of the second screw rod (51) and fixedly connected to the end of the second screw rod (51); the toothed belt (524) is arranged around the driving pulley and the driven pulley (523), the driving pulley and the toothed belt (524) are meshed with each other, and the driven pulley (523) and the toothed belt (524) are meshed with each other.

5. The cross-track gantry five-axis linkage machining center according to claim 4, characterized in that: The adjusting seat (521) is provided with an adjusting groove, a bolt is passed through the adjusting groove, and the bolt is threadably matched with the adjusting seat (521).

6. The cross-track gantry five-axis linkage machining center according to claim 5, characterized in that: The tool changing device (9) comprises a base (91), a tool slide (92), a first sliding drive member (93), a tool holder (94), a tool magazine mechanism (95) and a tool changing manipulator; the base (91) is fixed on the pedestal (1), and the tool slide (92) and the base (91) are slidably matched; the first sliding drive member (93) is arranged on the base (91), and the first sliding drive member (93) is used to drive the tool slide (92) to slide in a direction close to or away from the processing device (8); the tool holder (94) is arranged on the tool slide (92); the tool magazine mechanism (95) comprises a chain (951), a driving chain The tool holder (94) comprises a driving sprocket (952), a driven sprocket (953), a second driving member (954) and a plurality of tool holders (955); the chain (951) is wound around the driving sprocket (952) and the driven sprocket (953), and the plurality of tool holders (955) are fixed on the chain (951) at equal intervals; the second driving member (954) is arranged on the tool holder (94), and the second driving member (954) is used to drive the driving sprocket (952) to rotate, thereby driving the chain (951) and the tool holder (955) to move in a circular motion; the tool changing robot is arranged on the tool holder (94), and the tool changing robot is used to grab, carry and install the tool.

7. The cross-track gantry five-axis linkage machining center according to claim 6, characterized in that: An isolation device (6) is provided on the base (1), and the isolation device (6) is located between the processing device (8) and the tool changing device (9); the isolation device (6) comprises an isolation plate (61), and a passage opening (62) is provided on the isolation plate (61) for the tool changing device (9) to pass through; an automatic shielding mechanism (63) is provided on the isolation plate (61), and the automatic shielding mechanism (63) comprises a shielding plate (631) and a second sliding drive member (632), and the shielding plate (631) is slidably matched with the isolation plate (61); the second sliding drive member (632) is provided on the isolation plate (61), and the second sliding drive member (632) is used to drive the isolation plate (61) to slide in a direction close to or away from the passage opening (62).

8. The cross-track gantry five-axis linkage machining center according to claim 1, characterized in that: Chip removal devices (7) are arranged on both sides of the workbench, and the chip removal device (7) comprises a bearing plate (71), a spiral chip removal member (72) and a third driving mechanism (73); the bearing plate (71) is arranged on the base (1), and the bearing plate (71) is located on one side of the processing table (2); a chip removal channel (74) is arranged on the upper surface of the bearing plate (71), and the spiral chip removal member (72) is rotatably arranged in the chip removal channel (74); the third driving mechanism (73) is arranged on the bearing plate (71), and the third driving mechanism (73) is used to drive the spiral chip removal member (72) to rotate.

9. The cross-track gantry five-axis linkage machining center according to claim 8, characterized in that: A filter screen (75) is fixedly disposed on the upper surface of the bearing plate (71), and the filter screen (75) is located above the chip removal channel (74).

10. The cross-track gantry five-axis linkage machining center according to claim 8, characterized in that: It also includes a water tank device (12), and the water tank device (12) is used to provide cooling water for the processing device (8).

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