Turn-milling composite five-axis linkage machining center

Abstract

The utility model relates to a turning and milling combined five-axis linkage machining center which comprises a base and a top beam installed on the base, a first driving device is arranged on the base, a sliding table sliding in the Y-axis direction is connected to the first driving device in a transmission mode, a cradle rotary table is installed on the sliding table, and a second driving device is installed on the top beam. The second driving device is in transmission connection with a ram sliding in the X-axis direction, a supporting assembly is installed on the ram, a spindle box sliding in the Z-axis direction is installed on the supporting assembly, a tool changer assembly is further installed on the base, different types of turning tools and milling tools are stored in the tool changer assembly, tool changing is achieved through a tool changing arm, turning and milling integration can be achieved, and the machining efficiency is improved. And the application range of the machining center is expanded.

Description

[0001] The present application claims priority to the Utility Model Patent Application No. 202423258160.4, filed on December 27, 2024, and entitled "A turning-milling combined five-axis linkage machining center" with the China Patent Office. TECHNICAL FIELD

[0002] The utility model relates to the field of machine tool, specifically to a turning-milling combined five-axis linkage machining center. BACKGROUND

[0003] At present, the demand for complex part machining of modern manufacturing industry is increasing, and the requirement for machine tools in the field of machine tool machining is higher and higher, and the machining process is further intensive, and more and more workpieces need turning-milling work, the traditional three-axis machining center has been difficult to meet the requirements of some complex curved surface and high-precision machining, the five-axis machining center can realize five-axis linkage, and can complete complex curved surface machining on one machine tool, and the turning-milling combination can further improve the machining capacity of the machine tool, but at present, part of the five-axis machining machine tool is mechanically driven, which has the problems of slow start and low response speed, affecting the machining precision, and the installation of the spindle box is more troublesome. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a turning-milling combined five-axis linkage machining center, realizing high-speed response of five-axis machining, improving machining precision, and integrating turning-milling functions to improve the application range.

[0005] In order to achieve the above-mentioned purpose, the utility model realizes the following technical scheme: a turning-milling combined five-axis linkage machining center, comprising a base, a top beam installed on the base, a first driving device arranged on the base, a sliding table sliding along the Y-axis direction drivingly connected to the first driving device, a cradle rotary table installed on the sliding table, a second driving device installed on the top beam, a sliding ram sliding along the X-axis direction drivingly connected to the second driving device, a supporting assembly installed on the sliding ram, a spindle box body sliding along the Z-axis direction installed on the supporting assembly, and a tool magazine assembly installed on the base; wherein the supporting assembly comprises a connecting plate, a supporting plate and a supporting connecting piece enclosed together; a balance cylinder is installed on the spindle box body, a cylinder rod is arranged on the bottom surface of the balance cylinder, and the bottom end of the cylinder rod is fixedly connected to the supporting plate.

[0006] Further technical scheme, two first guide rails arranged along the Y-axis direction are fixedly installed on the base, the first driving device is a Y-axis linear motor, the Y-axis linear motor is located between the two first guide rails, at least two first sliders are slidingly arranged on each first guide rail, and the top of the first slider is fixed with the sliding table.

[0007] Further technical solutions, the cradle rotary table includes a first rotating unit and a second rotating unit, the sliding table is fixed with a driving end, the first rotating unit is drivingly connected to the driving end, and the second rotating unit is arranged on the first rotating unit.

[0008] Further technical solutions, the top surface of the roof beam is inclined, and two second guide rails are arranged on the inclined top surface of the roof beam, the second driving device is installed between the two second guide rails, the slide block is drivingly connected to the second driving device, and the second driving device is an X-axis linear motor.

[0009] Further technical solutions, the connecting plate includes a front mounting surface and a rear mounting surface, the rear mounting surface is fixed to the slide block, the front mounting surface is provided with a protruding portion, the two sides of the protruding portion are support piece mounting surfaces, the support plates are fixedly installed on the support piece mounting surfaces, the support plates are provided with two, and the support connecting piece is installed between the two support plates for connecting the two support plates.

[0010] Further technical solutions, the two support plates are each provided with a driving assembly on the side close to each other, the spindle box body is inserted between the two support plates and drivingly connected to the driving assembly, and the driving assembly is a Z-axis linear motor.

[0011] Further technical solutions, the spindle box body is fixed with a third guide rail, the protruding portion of the front mounting surface is provided with a third sliding block, the third sliding block is in sliding fit connection with the third guide rail, the protruding portion of the front mounting surface is provided with a guide rail clamping element, and the bottom of the spindle box body is provided with a tool spindle for installing a tool.

[0012] Further technical solutions, the balance cylinder is provided with a pressure reducing valve, the pressure reducing valve is provided with an air inlet, an air outlet and an exhaust port, the air inlet is connected with an air source, the air outlet is connected with a cylinder air inlet interface of the balance cylinder, and the exhaust port is used for exhausting gas in the balance cylinder.

[0013] Further technical solutions, the tool magazine assembly includes a tool magazine, a tool changing arm, and a tool magazine support, the tool magazine support is fixedly installed on the base, the tool magazine is rotatably installed on the tool magazine support, the tool magazine support is fixed with a tool magazine driving element, the tool magazine driving element is drivingly connected to the tool magazine, the tool changing arm is located between the spindle box body and the tool magazine, the tool changing arm can rotate and move up and down, the tool changing arm is fixed with a tool claw and a top tool bar which is slidingly arranged.

[0014] In summary, the utility model has the following beneficial effects: the first driving device, the second driving device and the third driving device in the application are all linear motors, and the first rotating unit and the second rotating unit are driven by direct drive motors, so that the response speed is fast and the precision of five-axis machining is improved.

[0015] Moreover, the tool magazine assembly is configured in the application, different types of turning tools and milling cutters are stored in the tool magazine assembly, the tool changing arm is used for tool changing, the turning and milling integration is realized, and the application range of the machining center is expanded.

[0016] The front and rear mounting surfaces are arranged at the connecting plate, the protruding part is arranged on the front mounting surface, the assembly of the components of the supporting assembly is facilitated, the supporting assembly is in the shape of a mouth, is matched with the spindle box, and the convenient installation of the spindle box and the Z-axis linear motor can be realized.

[0017] The balance cylinder is arranged, the gravity of the spindle box can be balanced, the automatic gravity balance during the up-down movement of the spindle box can be realized by the arrangement of the pressure reducing valve, the movement speed in the Z-axis direction is improved, and the machining precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is the first three-dimensional structure schematic diagram of the application;

[0020] Figure 2 It is the second three-dimensional structure schematic diagram of the application;

[0021] Figure 3 It is the assembly top view schematic diagram of the spindle box, the supporting assembly and the ram of the application;

[0022] Figure 4 It is the assembly schematic diagram of the spindle box and the cylinder rod of the application;

[0023] Figure 5 It is the three-dimensional schematic diagram of the pressure reducing valve of the application;

[0024] Figure 6 It is the assembly schematic diagram of the supporting plate and the supporting connecting piece of the application;

[0025] Figure 7 It is the first three-dimensional schematic diagram of the connecting plate of the application;

[0026] Figure 8 is a second perspective view of the connecting plate of the present application;

[0027] Figure 9 is a perspective view of the present application Figure 2 is an enlarged view of A in the present application;

[0028] Figure 10 is a perspective view of the present application knife handle.

[0029] In the figure: 100, base; 101, workbench; 103, first driving device; 104, first guide rail; 105, first sliding block; 200, sliding table; 201, cradle rotary table; 202, driving end; 203, first rotary unit; 204, second rotary unit; 205, support end; 206, chuck; 300, support column; 301, top beam; 302, second driving device; 303, second guide rail; 304, slide ram; 305, second sliding block; 306, second sliding block mounting surface; 400, support assembly; 401, support plate; 402, support connecting piece; 403, connecting plate; 404, front mounting surface; 405, rear mounting surface; 406, third sliding block mounting surface; 407, guide rail clamping element mounting surface; 408, third sliding block; 409, guide rail clamping element; 410, positioning side edge; 411, support piece mounting surface; 412, support connecting piece mounting surface; 413, driving device mounting surface; 414, threaded hole; 415, machining avoidance area; 501, spindle box; 502, guide rail mounting plane; 503, guide rail mounting positioning side edge; 504, third guide rail; 505, main shaft; 506, driving assembly; 601, cylinder mounting surface; 602, cylinder support; 603, cylinder support mounting surface; 604, balance cylinder; 605, cylinder rod; 606, cylinder air inlet interface; 607, pressure reducing valve; 608, air inlet; 609, air outlet; 610, exhaust port; 700, tool magazine assembly; 701, tool bin; 703, tool bin support; 704, tool claw; 705, top tool rod; 706, tool magazine driving piece; 801, knife handle; 802, connecting part; 803, first platform; 804, positioning key groove; 805, first cylindrical segment; 806, tool clamping part; 807, second cylindrical segment; 808, tool mounting part. DETAILED DESCRIPTION

[0030] The utility model will be further described in detail below in combination with embodiments, but the implementation mode of the utility model is not limited to this, the technical solutions in the embodiments of the present application are clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0031] It should be noted that all directional indications, such as upper, lower, left, right, front, back, under, above, under, etc., are intended to facilitate the description of the relative position relationship, movement condition, etc. between components, and are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture (as shown in the drawings). If the certain posture changes, the directional indications also change accordingly.

[0032] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description and cannot be understood as indicating or implying the relative importance of the technical features indicated or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0033] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] In addition, the technical solutions of various embodiments of the present application can be combined with each other, but it must be based on the fact that those skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the scope of protection claimed by the present application.

[0035] The accompanying drawings are used to Figures 1-10The illustrated one kind is shown in the compound five-axis linkage machining center of turning and milling, including base 100, two left and right symmetrical support columns 300 are fixedly installed on base 100, top beam 301 is fixed on support column 300, and the top surface of top beam 301 is obliquely arranged, workbench 101 is arranged on base 100, and workbench 101 includes slide table 200 and cradle rotary table 201, wherein four first slide block mounting surfaces 102 are symmetrically arranged on the bottom surface of slide table 200, two left and right symmetrical first guide rails 104 are fixed on the top surface of base 100, two first slide blocks 105 are slidably installed on each first guide rail 104, four first slide blocks 105 are arranged in total, the top surface of first slide block 105 is fixedly installed on first slide block mounting surface 102 on the bottom surface of slide table 200, first driving device 103 is installed between two first guide rails 104, first driving device 103 is in transmission connection with slide table 200, and first driving device 103 is used to drive slide table 200 to reciprocate along the length direction of first guide rail 104, second driving device 302 is installed on top beam 301, the slide ram 304 that slides along the X-axis direction is in transmission connection with second driving device 302, support assembly 400 is installed on slide ram 304, main shaft box 501 that slides along the Z-axis direction is installed on support assembly 400, main shaft 505 is arranged at the bottom end of main shaft box 501, and main shaft 505 is used to install a tool, and tool magazine assembly 700 is also installed on base 100.

[0036] Preferably, the length direction of first guide rail 104 is Y-axis direction, and first driving device 103 is Y-axis linear motor, the stator of Y-axis linear motor is fixed on base 100, and the rotor of Y-axis linear motor is fixed on the bottom surface of slide table 200.

[0037] Preferably, cradle rotary table 201 includes first rotating unit 203 and second rotating unit 204, and first rotating unit 203 and second rotating unit 204 are respectively used as the fourth axis and the fifth axis of the machining center.

[0038] Specifically, the driving end 202 is fixedly connected to the top surface of the sliding table 200 by screws, the driving end 202 is in transmission connection with the first rotating unit 203, the driving end 202 drives the first rotating unit 203 to rotate, the support end 205 is fixedly arranged on the sliding table 200 by screws, the first rotating unit 203 is rotatably arranged between the driving end 202 and the support end 205, the first motor is arranged in the driving end 202, one end of the first rotating unit 203 is in transmission connection with the driving end 202, the other end of the first rotating unit 203 is rotatably connected to the support end 205, the second rotating unit 204 is fixed to the first rotating unit 203, the chuck 206 is arranged on the second rotating unit 204, the chuck 206 is used for clamping a workpiece, the chuck is in transmission connection with the second motor arranged in the second rotating unit 204, and in the embodiment, the first motor and the second motor are both direct-drive motors.

[0039] Preferably, two second guide rails 303 are transversely arranged on the inclined top surface of the top beam 301, the length direction of the two second guide rails 303 is the X-axis direction, the second driving device 302 is arranged between the two second guide rails 303, the second driving device 302 is an X-axis linear motor, the stator of the X-axis linear motor is fixed to the inclined top surface of the top beam 301, the rotor of the X-axis linear motor is fixed to the ram 304, two second sliding blocks 305 are slidably arranged on each second guide rail 303, one side surface of the ram 304 is also arranged in an inclined manner, four second sliding block mounting surfaces 306 are arranged on the inclined surface of the ram 304, and the four second sliding blocks 305 are fixed to the second sliding block mounting surfaces 306 of the inclined surface of the ram 304.

[0040] Preferably, the support assembly 400 is arranged on the front side of the ram 304, the support assembly 400 comprises a connecting plate 403, a support plate 401 and a support connecting piece 402, the support plate 401 is provided in two, the connecting plate 403 is rectangular, and the connecting plate 403 is divided into front and rear mounting surfaces, i.e., a front mounting surface 404 and a rear mounting surface 405, the rear mounting surface 405 is provided with a machining avoidance area 415, so as to reduce a fine machining area, reduce a scraping area, reduce the difficulty of assembly and research, improve assembly efficiency, and the rear mounting surface 405 is fixed to the ram 304 by screws.

[0041] Preferably, the front mounting surface 404 of the connecting plate 403 is stepped, and a protruding portion is arranged in the middle, the protruding portion is divided into six areas and symmetrically distributed, of which, four areas on the upper and lower sides are third sliding block mounting surfaces 406, and two areas in the middle are guide rail clamping element mounting surfaces 407, third sliding blocks 408 are arranged on the four third sliding block mounting surfaces 406 by screws, guide rail clamping elements 409 are arranged on the two guide rail clamping element mounting surfaces 407 by screws, the two side edges of the protruding portion are positioning side edges 410, and the front mounting surfaces 404 on the two sides of the protruding portion are support element mounting surfaces 411.

[0042] Preferably, the support plate 401 is divided into two left and right parts, respectively installed on the two support member mounting surfaces 411 through screws, and abuts against the positioning side 410. A support connecting member mounting surface 412 is arranged on the side of each of the two support plates 401 that is close to the other. The two ends of the support connecting member 402 are respectively butted against the two support connecting member mounting surfaces 412, and then the two support plates 401 and the support connecting member 402 are fixed through screws.

[0043] Preferably, a driving device mounting surface 413 is arranged on the side of each of the two support plates 401 that is close to the other. A driving assembly 506 is fixed on each of the two driving device mounting surfaces 413. The driving assembly 506 is a Z-axis linear motor. The stator of the Z-axis linear motor is fixed on the driving device mounting surface 413. The rotor of the Z-axis linear motor is fixed on the spindle box 501. An inwardly recessed guide rail mounting plane 502 is arranged on the rear side of the spindle box 501. The side of the guide rail mounting plane 502 is a guide rail mounting positioning side 503. A third guide rail 504 is mounted on the guide rail mounting plane 502 through screws. Two third guide rails 504 are arranged. The third guide rails 504 are in sliding cooperation with the third sliding blocks 408.

[0044] Preferably, the guide rail clamping element 409 is pneumatically controlled. After the air source is turned off, the third guide rail 504 can be locked and clamped to prevent the spindle box 501 from falling under the action of gravity.

[0045] Preferably, air cylinder bracket mounting surfaces 603 are symmetrically arranged on the upper left and right sides of the spindle box 501. Air cylinder brackets 602 are mounted on the air cylinder bracket mounting surfaces 603 through screws. Two air cylinder brackets 602 are arranged. An air cylinder mounting surface 601 is arranged on each air cylinder bracket 602. A balance air cylinder 604 is fixedly mounted on each air cylinder mounting surface 601 through screws. The line connecting the centers of the two air cylinder brackets 602 passes through the perpendicular of the gravity center of the spindle box 501. The distance between the two air cylinder brackets 602 is not more than 100 mm. A round hole is arranged on the air cylinder mounting surface 601. The balance air cylinder 604 is a low-friction air cylinder or a smooth air cylinder. The friction of the air cylinder telescopic rod 605 is much lower than that of a conventional air cylinder. The balance air cylinder 604 is installed upside down on the air cylinder mounting surface 601 and fastened with screws. The air cylinder telescopic rod 605 passes through the round hole. A thread is arranged on the end of the air cylinder rod 605 of the balance air cylinder 604. Threaded holes 414 are arranged on the top of the two support plates 401. The end of the air cylinder rod 605 is mounted into the threaded holes.

[0046] Preferably, the cylinder body of the balance cylinder 604 is provided with a cylinder air inlet interface 606, which can lift the spindle box body 501 through the cylinder rod 605 after the air source is connected, so as to balance the gravity of the spindle box body 501. A pressure reducing valve 607 is installed in front of the balance cylinder air inlet interface 606. The pressure reducing valve 607 is a precision pressure reducing valve, which is provided with an air inlet 608, an air outlet 609, and an exhaust port 610. The air inlet 608 of the pressure reducing valve 607 is connected with the air source, and the air outlet 609 is connected with the cylinder air inlet interface 606 of the balance cylinder 604. When the spindle box body 501 moves downward, the gas is supplemented to the balance cylinder 604 through the pressure reducing valve 607, so as to maintain the stable air pressure in the balance cylinder 604. Through the action of the pressure reducing valve 607, the gravity of the balance spindle box body 501 is always kept during the up-down movement of the spindle box body 501, so as to realize the precise balance of the gravity, and then the Z-axis linear motor only needs a small force to drive the spindle box body 501 to move up and down along the Z-axis quickly, thereby improving the processing efficiency. The pressure reducing valve 607 has an overflow function. When the spindle box body 501 moves upward, the gas in the balance cylinder 604 is reduced, which can be discharged through the exhaust port 610 of the pressure reducing valve 607, so as to maintain the stable air pressure in the balance cylinder 604 and realize the precise balance of the Z-axis gravity.

[0047] Preferably, the tool magazine assembly 700 comprises a tool magazine 701, a tool changing arm 702, and a tool magazine support 703. The tool magazine support 703 is fixedly installed on the base 100 by screws. The tool magazine 701 is rotatably installed on the tool magazine support 703. The tool changing arm 702 is located between the spindle box body 501 and the tool magazine 701. The tool changing arm 702 can rotate and move up and down. One end of the tool changing arm 702 is fixedly provided with a tool claw 704, which is provided with a semicircular groove. A tool lifting rod 705 is slidably arranged on one side of the tool claw 704 to prevent the tool claw 704 from falling off after clamping the tool handle. The rotation of the tool magazine 701 is driven by a tool magazine driving member 706 installed on the tool magazine support 703. A tool ejecting member (not shown) is arranged on the lower side of the tool magazine 701. During tool changing, the selected tool is rotated to the lowermost position and then pushed out by the tool ejecting member (not shown). The tool changing arm 702 rotates, and the tool claw 704 on one side of the tool changing arm 702 clamps the spindle end tool handle 801. At the same time, the tool claw 704 on the other side of the tool changing arm 702 clamps the tool handle 801 of the tool magazine 701. The tool changing arm 702 is pulled down and rotated by 180° to exchange the tools.

[0048] Preferably, the shank 801 body upper end is provided with a connecting part 802 matched with the main shaft 505, the connecting part 802 is in the shape of a truncated cone, the inclination is 1:10 or 7:24; the lower end of the connecting part 802 is provided with a first platform 803, the lower part of the first platform 803 is in the shape of a cylinder, the outer ring of the cylinder is provided with a positioning key groove 804, the both sides of the positioning key groove 804 are provided with two parallel planes, the planes are symmetrical and parallel to the central axis of the shank 801, the lower part of the positioning key groove 804 of the shank 801 is in the shape of a cylinder, sequentially provided with a first cylinder segment 805, a tool clamping part 806, a second cylinder segment 807 and a tool mounting part 808.

[0049] Preferably, the center of the main shaft 505 is rotatable, the center of the main shaft 505 is provided with a tapered hole matched with the main shaft, the lower end surface of the tapered hole is provided with a second platform, the tapered connecting part 802 and the first platform 803 of the shank can be matched with the tapered hole and the second platform of the main shaft to realize double positioning.

[0050] Preferably, pneumatic clamps are arranged on the bottom surface of the slide table 200 and the slide block 304, respectively, for clamping the first guide rail 104 and the second guide rail 303.

[0051] The working principle of the machining center is as follows:

[0052] Firstly, the workpiece is placed on the chuck 206, then the coordinate axes of the machining center are adjusted to zero, the Y-axis linear motor can drive the slide table 200 to slide along the first guide rail 104 to realize the movement in the Y-axis direction, the X-axis linear motor works to drive the slide block 304 to reciprocate along the length direction of the second guide rail 303, that is, the X-axis direction, the Z-axis linear motor drives the main shaft box 501 to reciprocate along the length of the third guide rail 504, that is, the Z-axis direction, the first motor in the driving end 202 drives the first rotating unit 203 to rotate to realize the rotation in the fourth-axis direction, the second motor drives the chuck to rotate to realize the rotation in the fifth-axis direction, through the reciprocation in the X-axis, Y-axis and Z-axis directions and the rotation of the third-axis and the fourth-axis, the five-axis linkage machining of the workpiece is realized.

[0053] The tool magazine 701 stores different types of turning tools and milling tools, the tool jaws 704 on one side of the tool changing arm 702 clasp the shank of the main shaft, at the same time, the tool jaws 704 on the other side of the tool changing arm 702 clasp the shank of the tool magazine 701, the tool changing arm is pulled down and rotated by 180° to exchange the tools.

[0054] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable the person skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model. Any equivalent change or modification according to the spirit and essence of the utility model shall be covered in the protection scope of the utility model.

Claims

1. A turning-milling combined five-axis linkage machining center, comprising a base (100) and a top beam (301) mounted on the base (100), characterized in that, First driving device (103) is provided on the base (100), the first driving device (103) is drivenly connected with the sliding table (200) sliding along the Y axis direction, the sliding table (200) is installed with the cradle rotary table (201), the top beam (301) is installed with the second driving device (302), the second driving device (302) is drivenly connected with the ram (304) sliding along the X axis direction, the ram (304) is installed with the support assembly (400), the support assembly (400) is installed with the main shaft box (501) sliding along the Z axis direction, the base (100) is also installed with tool magazine assembly (700);Wherein, the support assembly (400) includes the connecting plate (403), the support plate (401) and the support connecting piece (402) enclosed together;The main shaft box (501) is installed with the balance cylinder (604), the bottom surface of the balance cylinder (604) is provided with the cylinder rod (605), and the bottom end of the cylinder rod (605) is fixedly connected to the support plate (401).

2. A turn-milling five-axis machining center according to claim 1, characterized in that, Two first guide rails (104) are fixedly installed on the base (100) and arranged along the Y axis direction, the first driving device (103) is a Y-axis linear motor, and the Y-axis linear motor is located between the two first guide rails (104). At least two first sliding blocks (105) are slidably arranged on each first guide rail (104), and the top of the first sliding block (105) is fixed to the sliding table (200).

3. The hybrid turning and milling five-axis machining center according to claim 1, wherein, The cradle rotary table (201) comprises a first rotating unit (203) and a second rotating unit (204), the sliding table (200) is fixed with a driving end (202), the first rotating unit (203) is drivingly connected to the driving end (202), and the second rotating unit (204) is arranged on the first rotating unit (203).

4. The hybrid turning and milling five-axis machining center according to claim 1, wherein, The top surface of the top beam (301) is inclined, and two second guide rails (303) are arranged on the inclined top surface of the top beam (301), the second driving device (302) is installed between the two second guide rails (303), the ram (304) is drivingly connected to the second driving device (302), and the second driving device (302) is an X-axis linear motor. At least two second sliding blocks (305) are slidably arranged on each second guide rail (303), and the second sliding block (305) is fixed to the ram (304).

5. The hybrid turning and milling five-axis machining center according to claim 1, wherein, The connecting plate (403) comprises a front mounting surface (404) and a rear mounting surface (405), the rear mounting surface (405) is fixed to the ram (304), the front mounting surface (404) is provided with a protruding portion, the two sides of the protruding portion are support member mounting surfaces (411), the support plate (401) is fixedly installed on the support member mounting surface (411), and the support plate (401) is provided with two support connecting pieces (402) installed between the two support plates (401).

6. A turn-milling five-axis machining center according to claim 5, characterized in that, Two sides of the support plates (401) are provided with driving assemblies (506), the spindle box (501) is inserted between the two support plates (401) and is drivingly connected to the driving assemblies (506), and the driving assemblies (506) are Z-axis linear motors.

7. The hybrid turning and milling five-axis machining center according to claim 5, wherein, A third guide rail (504) is fixed to the spindle box (501), a third sliding block (408) is mounted on the protruding part of the front mounting surface (404), the third sliding block (408) is in sliding fit with the third guide rail (504), a guide rail clamping element (409) is mounted on the protruding part of the front mounting surface (404), and the bottom of the spindle box (501) is provided with a tool spindle (505) for installation.

8. The hybrid turning and milling five-axis machining center according to claim 1, wherein, A pressure reducing valve (607) is mounted on the balance cylinder (604), the pressure reducing valve (607) is provided with an air inlet (608), an air outlet (609) and an exhaust port (610), the air inlet (608) is connected to an air source, the air outlet (609) is connected to the cylinder air inlet (606) of the balance cylinder (604), and the exhaust port (610) is used for exhausting the gas in the balance cylinder (604).

9. The hybrid turning and milling five-axis machining center according to claim 1, wherein, The tool magazine assembly (700) comprises a tool magazine (701), a tool changing arm (702) and a tool magazine support (703), the tool magazine support (703) is fixedly installed on the base (100), the tool magazine (701) is rotatably installed on the tool magazine support (703), the tool magazine support (703) is fixedly provided with a tool magazine driving member (706), the tool magazine driving member (706) is drivingly connected to the tool magazine (701), the tool changing arm (702) is located between the spindle box (501) and the tool magazine (701), the tool changing arm (702) can rotate and move up and down, the tool changing arm (702) is fixedly provided with a tool claw (704) and a slidingly arranged top tool bar (705).

Images