CN119609731A - Five-axis linkage fixed beam type machining center - Google Patents

Abstract

The present application relates to the field of five-axis machine tools, and in particular to a five-axis linkage fixed beam machining center, including 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 drives the spindle device to move along the Y-axis and Z-axis directions, the horizontal driving device drives the offset double swing head device to move along the Y-axis direction, and the automatic tool changing device realizes the automatic tool changing function of the spindle device. The present application significantly improves the machining accuracy and production efficiency of parts by clamping the parts once.

Description

Five-axis linkage fixed beam type machining center

Technical Field

The application relates to the field of five-axis machine tools, in particular to a five-axis linkage fixed beam type machining center.

Background

The five-axis linkage machining center is used as a high-end numerical control machine tool, is widely applied to the fields of aerospace, automobile manufacturing, die machining and the like, and can realize multi-face and five-axis linkage machining of complex parts. The machine tool remarkably improves the processing quality and the production efficiency through high-precision positioning and high-efficiency cutting capability, and becomes an essential device for the modern manufacturing industry.

The utility model discloses a five machining center in the related art, including base group, stand group, crossbeam group, slide group and aircraft nose group, the aircraft nose group along the Z axle direction with one side sliding connection of slide group, the opposite side of slide group along the Y axle direction with the inboard sliding connection of crossbeam group, the bottom of crossbeam group along the X axle direction with the top sliding connection of stand group, the stand group with the one end vertical fixed connection of base group X axle direction, the base group includes base, workstation and rotatable blade disc, the blade disc passes through support sliding connection on the base, the base is equipped with the material district that leaks, the workstation is fixed on the material district, and is located one side of blade disc, be equipped with five axles on the workstation, five axles include supporting seat and cradle frame, the supporting seat with cradle frame rotates to be connected, the supporting seat is fixed on the workstation, cradle frame includes first revolving stage and second revolving stage, first revolving stage passes through cradle frame with second revolving stage rotates to be connected.

However, the five-axis machining center in the related art has some disadvantages, particularly in clamping and multi-face machining of workpieces. The five-axis machining center in the related art often needs to clamp for many times to finish complex multi-surface machining, so that the machining time and cost are increased, accumulated errors are easily introduced, and the final machining precision is affected.

Disclosure of Invention

The application aims to overcome the technical problems and provides a five-axis linkage fixed beam type machining center.

The application provides a five-axis linkage fixed beam type machining center which adopts the following technical scheme:

The five-axis linkage fixed beam type machining center comprises a machine base, two axis moving devices, a main shaft device, an automatic tool changing device, a horizontal driving device and a bias type double-swing head device, wherein the two axis moving devices are arranged on the machine base and used for driving the main shaft device to move along two different directions of a Y/Z axis, the automatic tool changing device is arranged on the machine base and used for realizing automatic tool changing on the main shaft device, the horizontal driving device is arranged on the machine base and used for driving the bias type double-swing head device to move along the X axis direction, and the bias type double-swing head device is used for fixing a part and driving the part to rotate along two mutually perpendicular directions.

By adopting the technical scheme, the motion of the main shaft device along the Y-axis and Z-axis directions is accurately controlled through the two-axis moving device, so that the position accuracy in the machining process is ensured. The horizontal driving device drives the offset double-swinging-head device to move along the Y-axis direction, so that a workpiece can be processed under a plurality of angles, and the processing precision is further improved. The automatic tool changing device can be used for quickly changing tools of different types, so that the downtime and tool changing time are reduced, and the production efficiency is remarkably improved. The offset double-swinging-head device enables the workpiece to finish multi-surface machining under one-time clamping, and avoids errors and time waste caused by multiple times of clamping. The offset double-swinging-head device ensures that the workpiece is more stable in the processing process, reduces vibration and displacement, and improves the operation safety. In addition, through the accurate control of horizontal drive arrangement, operating personnel can adjust the position of work piece more conveniently, has promoted the convenience of operation. The advanced cutter and high-speed processing technology are utilized, so that the processing time is greatly reduced.

Optionally, the two-axis moving device comprises a traversing seat, a traversing driving mechanism, a lifting seat and a lifting driving mechanism, wherein the traversing seat is in sliding fit with the base, the traversing driving mechanism is arranged on the base and is used for driving the traversing seat to move along the Y-axis direction, the lifting seat is in sliding fit with the traversing seat, the lifting driving mechanism is arranged on the traversing seat, and the lifting driving mechanism is used for driving the lifting seat to lift.

By adopting the technical scheme, the two-axis moving device can accurately control the movement of the main shaft device in the Y-axis and Z-axis directions, and the flexibility and the precision of processing are improved. The sliding fit of the transverse moving seat and the base and the arrangement of the transverse moving driving mechanism enable the main shaft device to stably and efficiently move in the Y-axis direction. The sliding cooperation of the lifting seat and the transverse moving seat and the arrangement of the lifting driving mechanism ensure the accurate positioning of the main shaft device in the Z-axis direction, and further enhance the accuracy and reliability of processing. These improvements significantly improve the processing efficiency and product quality of the overall processing center.

Optionally, the sideslip actuating mechanism includes first motor, first lead screw and two first supports, and two first supports are all fixed in on the frame, first lead screw extends along the Y axle direction, the both ends of first lead screw respectively with two first supports rotate to be connected, first lead screw with sideslip seat screw thread fit, first motor is fixed in on one of them first support, the output shaft of first motor with the tip fixed connection of first lead screw.

By adopting the technical scheme, the transverse moving driving mechanism can accurately control the movement of the transverse moving seat along the Y-axis direction, and ensure the positioning precision of the main shaft device in the Y-axis direction. The first motor realizes the stable movement of the transverse moving seat through the cooperation of the first screw rod and the first support, effectively reduces errors in the mechanical transmission process, and improves the integral machining precision and stability of the machining center.

Optionally, the lifting driving mechanism comprises a second motor, a first belt wheel, a second belt wheel, a conveyor belt, a second screw rod and two second supports, wherein the two second supports are fixed on the transverse moving seat, the second screw rod extends along the vertical direction, two ends of the second screw rod are respectively and rotatably connected with the two second supports, the second screw rod penetrates through the lifting seat, the second screw rod is threaded with the lifting seat, the second motor is fixed on the transverse moving seat or the second support, the first belt wheel is sleeved on an output shaft of the second motor, the first belt wheel is fixedly connected with an output shaft of the second motor, the second belt wheel is sleeved on an end part of the second screw rod, the second belt wheel is fixedly connected with the second screw rod, and the conveyor belt is circumferentially arranged between the first belt wheel and the second belt wheel.

Through adopting above-mentioned technical scheme, the first band pulley of second motor drive is rotatory, and first band pulley passes through the conveyer belt transmission and drives the rotation of second band pulley, and then makes the rotation of second lead screw. The second screw rod is in threaded fit with the lifting seat, so that the rotary motion of the second screw rod is converted into linear motion of the lifting seat, and accurate lifting control of the lifting seat is realized. The structure not only improves the stability and the precision of the lifting process, but also simplifies the mechanical structure and reduces the maintenance cost.

Optionally, the automatic tool changing device comprises a tool magazine mechanism and a tool changing mechanism, wherein the tool magazine mechanism is arranged on the machine base and used for accommodating tools of different types, the tool changing mechanism is arranged on the tool magazine mechanism and used for automatically mounting tools required in the machining process on the spindle device.

By adopting the technical scheme, the automatic tool changing device can quickly and accurately change tools of different types, and the processing efficiency and flexibility are remarkably improved. The tool magazine mechanism enables a plurality of tools to be stored in a concentrated mode, reduces the time for replacing the tools, and ensures orderly management of the tools. The automatic tool changing mechanism not only reduces the labor intensity of operators, but also improves the reliability and safety of the tool changing process.

Optionally, the automatic tool changing device further comprises an isolation mechanism, wherein the isolation mechanism is arranged on the side wall of one of the upright posts, the isolation mechanism comprises a partition plate, the partition plate is positioned between the automatic tool changing device and the spindle device, and a tool changing edge for the automatic tool changing device to penetrate through is formed in the partition plate.

Through adopting above-mentioned technical scheme, the setting of isolation mechanism effectively prevents that the smear metal from splashing, has improved the operational safety. The cutter changing edge on the partition plate enables the automatic cutter changing device to pass smoothly, ensures smooth operation of the cutter changing process, and improves machining efficiency.

Optionally, the isolation mechanism further comprises a first automatic door assembly, the first automatic door assembly comprises a movable door and a sliding driving piece, the movable door is in sliding fit with the partition board, and the sliding driving piece is used for driving the movable door to slide along the Y-axis direction so as to realize opening or closing of the knife exchanging edge.

By adopting the technical scheme, the horizontal driving device comprises a third motor, a third screw rod and two third supports, wherein the two third supports are fixed on the base, the third screw rod extends along the Y-axis direction, two ends of the third screw rod are respectively connected with the two third supports in a rotating mode, the third screw rod penetrates through the transverse moving seat and is in threaded fit with the transverse moving seat, the third motor is installed on one of the third supports, and an output shaft of the third motor is fixedly connected with the end portion of the third screw rod.

The offset double-swinging-head device comprises a sliding seat, a turnover driving mechanism, a rotary workbench and a rotary driving mechanism, wherein the sliding seat is in sliding fit with the base, the horizontal driving device is used for driving the sliding seat to slide along the horizontal direction, two ends of the turnover seat are rotationally connected with the sliding seat, the turnover driving mechanism is arranged at one end of the sliding seat and is used for driving the turnover seat to turn over, the rotary workbench is rotationally connected with the turnover seat and is used for driving the rotary workbench to rotate, and the rotary workbench is used for fixing parts.

By adopting the technical scheme, the design of the offset double-swinging-head device enables parts to be accurately positioned and processed in multiple degrees of freedom. Specifically, the sliding seat is matched with the machine seat in a sliding way, and the horizontal driving device drives the sliding seat to slide along the horizontal direction, so that the accurate positioning of the whole device in the horizontal direction is ensured. The both ends of turning over the seat rotate with the seat of sliding and be connected, and upset actuating mechanism sets up in the seat one end that slides, can drive the upset of upset seat to make the part overturn in two mutually perpendicular's directions, enlarged the machining scope. The rotary workbench is rotationally connected with the overturning seat, and the rotary driving mechanism is used for driving the rotary workbench to rotate, so that the part can rotate in the other direction, and the flexibility and the accuracy of machining are further improved. The rotary workbench is used for fixing parts, so that stability and reliability in the machining process are ensured.

Optionally, the horizontal driving device comprises a third motor, a third screw rod and two third supports, wherein the two third supports are fixed on the base, the third screw rod extends along the Y-axis direction, two ends of the third screw rod are respectively and rotatably connected with the two third supports, the third screw rod penetrates through the sliding seat and is in threaded fit with the sliding seat, the third motor is mounted on one of the third supports, and an output shaft of the third motor is fixedly connected with the end part of the third screw rod.

By adopting the technical scheme, accurate speed and position control can be realized through electric driving, and accurate movement of the offset double-swing device in the Y-axis direction is ensured. The screw rod transmission has the characteristics of high precision and high rigidity, can effectively transmit power and ensures stable and error-free movement of the offset double-swinging-head device. The fixing and supporting functions of the support seat enable the third screw rod to work under stable conditions, and errors caused by vibration or deformation are avoided. The mechanical matching mode can realize accurate control of micro displacement and further improve the machining precision.

Optionally, the device comprises a waste tank and a waste discharging device, wherein the waste tank is arranged on the base, one end of the waste tank is provided with an opening, the other end of the waste tank is provided with a closed arrangement, the waste discharging device comprises a screw rod and a rotary driving piece, the screw rod is positioned in the waste tank, one end of the screw rod is rotationally connected with the base, the rotary driving piece is arranged on the base, and the rotary driving piece is used for driving the screw rod to rotate.

Through adopting above-mentioned technical scheme, the chip and the waste material in the course of working can be effectively collected and discharged to the waste material groove and the waste material discharging device, prevent that the waste material from piling up and influencing processingquality and equipment normal operating. Specifically, one end of the waste trough is provided with an opening, so that waste is convenient to enter, and the other end of the waste trough is provided with a closed structure, so that the waste is prevented from overflowing. The spiral rod rotates under the drive of the rotary driving piece, waste materials are pushed out along the waste material groove, timely cleaning of the waste materials is guaranteed, and reliability and safety of equipment are improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the cooperative work of the two-axis moving device and the horizontal driving device, the main shaft device and the offset double-swinging-head device can precisely move in multiple directions, multi-face and five-axis linkage processing of a workpiece is realized, and the processing precision and the production efficiency are remarkably improved;

2. The automatic tool changing device enables the spindle device to be capable of quickly changing tools of different types, reduces downtime caused by tool changing, and further improves machining efficiency;

3. the isolation mechanism and the peripheral protective cover are arranged to effectively isolate a processing area, so that the safety and the operation convenience of equipment are improved, waste scraps are prevented from splashing, and the working environment is improved.

Drawings

Fig. 1 is a schematic structural view of a five-axis linkage fixed beam machining center in an embodiment of the application.

Fig. 2 is a schematic structural diagram of a machine base, a two-axis moving device, a spindle device, a tool changing device, an offset type double-swinging-head device and a horizontal driving device in an embodiment of the present application.

Fig. 3 is a schematic structural view of a lifting driving mechanism, a tilting driving mechanism and a horizontal driving device in the embodiment of the present application.

Fig. 4 is a schematic structural view of a tank chain shield, a cutter changing device, a partition plate and a first automatic door assembly in an embodiment of the present application.

FIG. 5 is a schematic diagram of an offset double-swing device according to an embodiment of the present application.

Reference numerals illustrate:

1. A base; 11, base, 12, cross beam, 13, upright post, 14, motion channel, 15, waste bin, 16, pedal mechanism, 17, pedal bracket, 2, two-axis moving device, 21, traversing seat, 22, traversing driving mechanism, 221, first motor, 222, first screw, 223, first support, 23, lifting seat, 24, lifting driving mechanism, 241, second motor, 242, first belt wheel, 243, second belt wheel, 244, first conveyor belt, 245, second screw, 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 pendulum head device, 51, sliding seat, 52, overturning seat, 53, overturning driving mechanism, 54, rotary table, 55, rotary driving mechanism, 6, horizontal driving device, 61, third motor, 62, third screw, 63, third support, 7, isolation mechanism, 71, partition, 72, first automatic door assembly, 721, movable door assembly, 8, sliding member 722, screw driving device, 53, turnover driving mechanism, 54, rotary table, 55, rotary table, etc.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

For ease of understanding, in this embodiment, the five-axis linkage fixed beam machining center will be described based on the X-axis longitudinal direction being defined as the first direction, the Y-axis longitudinal direction being defined as the second direction, and the Z-axis longitudinal direction being defined as the vertical direction.

The embodiment of the application discloses a five-axis linkage fixed beam type machining center. Referring to fig. 1 and 2, the 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 changing device 4, a horizontal driving device 6, and an offset double-oscillating device 5. The two-axis moving device 2 is arranged on the machine base 1, the two-axis moving device 2 is used for driving 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 for realizing automatic tool changing on the main shaft device 3, the horizontal driving device 6 is arranged on the machine base 1, the horizontal driving device 6 is used for driving the offset double-swinging-head device 5 to move along the Y axis direction, and the offset double-swinging-head device 5 is used for fixing a part and driving the part to rotate along two mutually perpendicular directions. The efficient and accurate five-axis linkage machining is realized, and the machining precision and the production efficiency are remarkably improved.

Referring to fig. 2 and 3, the stand 1 includes a base 11, a cross beam 12, and two upright posts 13, wherein a length direction of the base 11 extends along a first direction, the cross beam 12 extends along a second direction, bottom ends of the two upright posts 13 are fixed with the base 11, top ends of the two upright posts 13 are fixed with the cross beam 12, and a movement channel 14 for movement of the offset double-swing device 5 is formed between the two upright posts 13.

Referring to fig. 2, the two-axis moving apparatus 2 includes a traverse base 21, a traverse driving mechanism 22, a lifting base 23 and a lifting driving mechanism 24, the traverse base 21 is slidably engaged with the cross beam 12, the traverse driving mechanism 22 is disposed on the cross beam 12, the traverse driving mechanism 22 is used for driving the traverse base 21 to move along the second direction, and tank chain shields 25 are disposed on both sides of the traverse base 21. The lifting seat 23 is in sliding fit with the traversing seat 21, the lifting driving mechanism 24 is arranged on the traversing seat 21, the lifting driving mechanism 24 is used for driving the lifting seat 23 to lift, the spindle device 3 is arranged on the lifting seat 23, and the spindle device 3 is used for processing parts.

With continued reference to fig. 2, in the present embodiment, the traverse driving mechanism 22 includes a first motor 221, a first screw 222, and two first supports 223, both of which first supports 223 are fixed to one side of the cross beam 12 near the spindle device 3. The first screw rod 222 extends along the second direction, two ends of the first screw rod 222 are respectively penetrated through the two first support seats 223, and two ends of the first screw rod 222 are respectively connected with the two first support seats 223 in a rotating mode. The first motor 221 is mounted on one of the first supports 223, an output shaft of the first motor 221 is fixedly connected with an end portion of the first screw rod 222, and the first motor 221 is used for driving the first screw rod 222 to rotate. The first screw rod 222 passes through the traversing seat 21, and the first screw rod 222 is in threaded fit with the traversing seat 21. The first motor 221 may select a servo motor or a stepping motor to improve driving accuracy and response speed.

Referring to fig. 3 and 4, the elevation driving mechanism 24 includes a second motor 241, a first pulley 242, a second pulley 243, a first conveyor belt 244, a second screw 245, and two second supports 246. The two second support brackets 246 are fixed on the traverse base 21, the second screw rod 245 extends along the vertical direction, two ends of the second screw rod 245 are respectively connected with the two second support brackets 246 in a rotating mode, and the second screw rod 245 penetrates through the main shaft device 3 and is in threaded fit with the main shaft device 3. The second motor 241 is fixed on the sideslip seat 21, and first band pulley 242 cover is located on the output shaft of second motor 241, and first band pulley 242 and the output shaft fixed connection of second motor 241. The second belt wheel 243 is sleeved at one end of the second screw rod 245, the second belt wheel 243 is fixedly connected with the second screw rod 245, and the first conveyor belt 244 is arranged between the first belt wheel 242 and the second belt wheel 243 in a surrounding mode. The second motor 241 may also be a servo motor or a stepping motor to ensure the accuracy and stability of the lifting.

Referring to fig. 2, the automatic tool changer 4 includes a tool magazine mechanism 41 and a tool changer mechanism 42, wherein the tool magazine mechanism 41 is disposed on an outer sidewall of one of the upright posts 13, and the tool magazine mechanism 41 is used for accommodating a plurality of tools of different types. The tool changing mechanism 42 is provided on the tool magazine mechanism 41, and the tool changing mechanism 42 is used for automatically mounting a tool required in the machining process on the spindle device 3. The magazine mechanism 41 may be a disc type or a multi-layered drawer type to accommodate a greater variety of tools.

Referring to fig. 4, the side wall of one of the columns 13 is provided with an isolation mechanism 7, the isolation mechanism 7 includes a partition 71 and a first automatic door assembly 72, the partition 71 is located between the automatic tool changing device 4 and the spindle device 3, and a tool changing edge 711 through which the automatic tool changing device 4 passes is formed on the partition 71. The first automatic door assembly 72 includes a movable door 721 and a sliding driving member 722, the movable door 721 is slidably engaged with the partition 71, the sliding driving member 722 is disposed on the partition 71, and the sliding driving member 722 is used for driving the movable door 721 to slide along a first direction, so as to open or close the switch blade 711. In the present embodiment, the specific sliding driving member 722 may be a cylinder or a hydraulic cylinder, or a ball screw mechanism driven by a motor may be used to improve the degree of automation and reliability.

Referring to fig. 2 and 3, the offset double-swing device 5 includes a sliding seat 51, a flip seat 52, a flip driving mechanism 53, a rotary table 54 and a rotary driving mechanism 55, the sliding seat 51 is slidingly engaged with the base 11, and the horizontal driving device 6 is used for driving the sliding seat 51 to slide along a first direction. The turnover seat 52 extends along the first direction, two ends of the turnover seat 52 are both rotationally connected with the sliding seat 51, the turnover driving mechanism 53 is arranged at one end of the sliding seat 51, the turnover driving mechanism 53 is used for driving the turnover seat 52 to turn over, and the specific turnover driving mechanism can be a motor gear mechanism. The rotary worktable 54 is rotatably connected with the turnover seat 52, the rotary driving mechanism 55 is arranged inside the turnover seat 52, the rotary driving mechanism 55 is used for driving the rotary worktable 54 to rotate, the rotary worktable 54 is used for fixing parts, the specific rotary driving mechanism 55 can be a DD motor or a combination of servo motor accelerators and reducers so as to realize high-precision and high-torque rotation.

Referring to fig. 3, in the present embodiment, the horizontal driving device 6 includes a third motor 61, a third screw 62, and two third supports 63, where the two third supports 63 are fixed on the base 11, the third screw 62 extends along the first direction, and two ends of the third screw 62 are respectively connected with the two third supports 63 in a rotating manner. The third motor 61 is mounted on one of the third supports 63, an output shaft of the third motor 61 is fixedly connected with an end portion of the third screw rod 62, and the third motor 61 is used for driving 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 in threaded fit with the third sliding seat 51. The third motor 61 may also be a servo motor or a stepping motor to ensure the accuracy and stability of the driving.

Referring to fig. 5, waste tanks 15 are started on both sides of the base 11, one end of each waste tank 15 is opened, and the other end of each waste tank 15 is closed. And waste discharging devices 8 are arranged on two sides of the base 11. The waste discharging device 8 comprises a spiral rod 81 and a rotary driving piece 82, wherein the spiral rod 81 is in a spiral shape, the spiral rod 81 is positioned in the waste tank 15, and one end of the spiral rod 81 is rotationally connected with the closed end of the waste tank 15. The rotation driving member 82 is disposed at one end of the base 11, and the rotation driving member 82 is used for driving the screw 81 to rotate. The rotary drive 82 may employ a servo motor or a stepper motor to improve the efficiency and reliability of the waste discharge.

With continued reference to fig. 5, the outer side of the housing 1 is provided with a drum chip remover water distribution tank 9, and one end of the opening of the waste tank 15 is positioned above the drum chip remover water distribution tank 9, so as to facilitate the collection and treatment of waste materials. The top of the waste tank 15 on one side is provided with a pedal bracket 17, and the pedal bracket 17 is firm and corrosion-resistant steel or stainless steel, and the two materials can bear large trampling force and are not easy to deform or damage.

Referring to fig. 1 and 2, a peripheral shield 10 is provided at an outer side of the housing 1, and a biaxial movement device 2, a spindle device 3, an automatic tool changing device 4, a horizontal driving device 6, a bias type double-swing device 5, etc. are all located inside the peripheral shield 10 to improve safety and operation convenience of the apparatus. The peripheral protective cover 10 is also provided with an observation port 101, and the observation port 101 is positioned between the offset double-swing-head device 5 and the pedal mechanism 16. The peripheral shield 10 is further provided with a second automatic door assembly 102 for opening and closing the viewing port 101, the second automatic door assembly 102 being identical in structure and principle to the first automatic door assembly 72.

The working principle of the embodiment is that the multi-face milling is realized through one-time clamping of the workpiece, the manufacturing time is greatly shortened, the processing time is greatly shortened by utilizing an advanced cutter and a high-speed processing technology, and the processing precision and the production efficiency are obviously improved. Specifically, the precise control of the traversing 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 the multi-surface processing of the workpiece through overturning and rotating, thereby avoiding the error accumulation caused by repeated clamping. The quick tool changing function of the automatic tool changing device 4 effectively reduces tool changing time and improves production efficiency. In addition, the waste tank 15 and the waste discharging device 8 also greatly improve the workshop environment and improve the environmental protection performance of the equipment.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (10)

1. The five-axis linkage fixed beam type machining center is characterized by comprising a machine base (1), two axis moving devices (2), a main shaft device (3), an automatic tool changing device (4), a horizontal driving device (6) and an offset double-swinging-head device (5), wherein the two axis moving devices (2) are arranged on the machine base (1), the two axis moving devices (2) are used for driving the main shaft device (3) to move along two different directions of a Y/Z axis, the automatic tool changing device (4) is arranged on the machine base (1), the automatic tool changing device (4) is used for realizing automatic tool changing on the main shaft device (3), the horizontal driving device (6) is arranged on the machine base (1), the horizontal driving device (6) is used for driving the offset double-swinging-head device (5) to move along the X axis direction, and the offset double-swinging-head device (5) is used for fixing parts and driving the parts to rotate along two mutually perpendicular directions.

2. The five-axis linkage fixed beam machining center of claim 1, wherein the two-axis moving device (2) comprises a traversing seat (21), a traversing driving mechanism (22), a lifting seat (23) and a lifting driving mechanism (24), the traversing seat (21) is in sliding fit with the machine base (1), the traversing driving mechanism (22) is arranged on the machine base (1), the traversing driving mechanism (22) is used for driving the traversing seat (21) to move along the Y-axis direction, the lifting seat (23) is in sliding fit with the traversing seat (21), the lifting driving mechanism (24) is arranged on the traversing seat (21), and the lifting driving mechanism (24) is used for driving the lifting seat (23) to lift.

3. The five-axis linkage fixed beam type machining center according to claim 2, wherein the transverse moving 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, two ends of the first screw rod (222) are respectively and rotatably connected with the two first supports (223), the first screw rod (222) is in threaded fit with the transverse moving seat (21), the first motor (221) is fixed on one of the first supports (223), and an output shaft of the first motor (221) is fixedly connected with the end portion of the first screw rod (222).

4. The five-axis linkage fixed beam machining center according to claim 2, wherein the lifting driving mechanism (24) comprises a second motor (241), a first belt wheel (242), a second belt wheel (243), a conveying belt, a second screw rod (245) and two second support seats (246), the two second support seats (246) are fixed on the traversing seat (21), the second screw rod (245) extends in the vertical direction, two ends of the second screw rod (245) are respectively connected with the two second support seats (246) in a rotating mode, the second screw rod (245) penetrates through the lifting seat (23), the second screw rod (245) is in threads with the lifting seat (23), the second motor (241) is fixed on the traversing seat (21) or the second support seat (246), the first belt wheel (242) is sleeved on an output shaft of the second motor (241), the first belt wheel (242) is fixedly connected with the second output shaft motor (241), the second belt wheel (245) is fixedly connected with the second belt wheel (243), and the second belt wheel (243) is fixedly connected with the second belt wheel (243) in a surrounding mode.

5. The five-axis linkage fixed beam machining center according to claim 1, wherein 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), the tool magazine mechanism (41) is used for containing tools of different types, the tool changing mechanism (42) is arranged on the tool magazine mechanism (41), and the tool changing mechanism (42) is used for automatically mounting tools required to be used in a machining process on the spindle device (3).

6. The five-axis linkage fixed beam machining center according to claim 5, further comprising an isolation mechanism (7), wherein the isolation mechanism (7) is arranged on the side wall of one of the upright posts (13), the isolation mechanism (7) comprises a partition plate (71), the partition plate (71) is located between the automatic tool changing device (4) and the spindle device (3), and a tool changing edge (711) for the automatic tool changing device (4) to penetrate through is formed in the partition plate (71).

7. The five-axis linkage fixed beam machining center according to claim 6, wherein the isolation mechanism (7) further comprises a first automatic door assembly (72), the first automatic door assembly (72) comprises a movable door (721) and a sliding driving piece (722), the movable door (721) is in sliding fit with the partition plate (71), and the sliding driving piece (722) is used for driving the movable door (721) to slide along the Y-axis direction so as to realize opening or closing of the knife changing edge (711).

8. The five-axis linkage fixed beam type machining center according to claim 7, wherein the offset double-swinging-head device (5) comprises a sliding seat (51), a turnover seat (52), a turnover driving mechanism (53), a rotary workbench (54) and a rotary driving mechanism (55), the sliding seat (51) is in sliding fit with the machine base (1), the horizontal driving device (6) is used for driving the sliding seat (51) to slide along the horizontal direction, two ends of the turnover seat (52) are rotationally connected with the sliding seat (51), the turnover driving mechanism (53) is arranged at one end of the sliding seat (51), the turnover driving mechanism (53) is used for driving the turnover seat (52) to turn over, the rotary workbench (54) is rotationally connected with the turnover seat (52), the rotary driving mechanism (55) is used for driving the rotary workbench (54) to rotate, and the rotary workbench (54) is used for fixing parts.

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

10. The five-axis linkage fixed beam type machining center according to claim 1, further comprising a waste groove (15) and a waste discharging device (8), wherein the waste groove (15) is arranged on the base (11), one end of the waste groove (15) is arranged in an opening mode, the other end of the waste groove (15) is arranged in a closed mode, the waste discharging device (8) comprises a spiral rod (81) and a rotary driving piece (82), the spiral rod (81) is located in the waste groove (15), one end of the spiral rod (81) is connected with the base (1) in a rotary mode, the rotary driving piece (82) is arranged on the base (1), and the rotary driving piece (82) is used for driving the spiral rod (81) to rotate.