Vertical turning and milling combined machining equipment

Abstract

The invention discloses vertical turning and milling combined machining equipment which comprises a machine tool body and a cross beam stand column arranged on the machine tool body. An X-axis assembly, an A-axis assembly and a C-axis assembly are arranged on the machine tool body, a workpiece is arranged on a vacuum suction cup of the C-axis assembly in a vacuum adsorption mode, the front-back position of the workpiece is controlled through the X-axis assembly, and the A-axis assembly on the X-axis assembly controls the workpiece to swing left and right around the X axis so as to control the left-right angle orientation of the workpiece. A C-axis assembly on the A-axis assembly controls the workpiece to rotate around the Z axis so as to control the front-back angle orientation of the workpiece. The Z-axis assembly is installed on the cross beam stand column through the Y-axis assembly so that the Z-axis assembly can slide along the Y axis and the Z axis, and a workpiece can be cut through a high-speed electric spindle on the Z-axis assembly. The tool magazine unit is used for rapidly replacing a tool handle tool on the high-speed motorized spindle, free switching between milling and turning is achieved, and the utilization rate and safety of equipment are greatly improved.

Description

Technical Field

[0001] The invention relates to the field of mechanical processing, and in particular to a turning-milling compound processing machine tool, and in particular to a vertical turning-milling compound processing equipment. Background Art

[0002] Turning is a part of machining. Turning mainly uses a turning tool to process rotating workpieces. It is mainly used to process shafts, discs, sleeves and other workpieces with rotating surfaces. Milling refers to the use of a rotating multi-edged tool to cut workpieces, which is a highly efficient processing method. During operation, the tool rotates as the main motion, and the workpiece moves as the feed motion. The workpiece can also be fixed, but at this time the rotating tool must also move to complete the main motion and feed motion at the same time. The turning and milling compound machining center plays an important role in the mechanical manufacturing of metal parts due to its advantages such as high machining accuracy, high efficiency and flexible machining. Especially in the discrete production organization mode of multiple varieties and small batches, it can greatly reduce the use of tooling and speed up the product development process.

[0003] Due to the particularity of the above two processing methods, in previous equipment manufacturing, they are often set up as two separate processing equipment for design and manufacturing respectively. Although this facilitates the design and manufacturing process, it also results in higher costs. The total price of purchasing these two equipment is relatively expensive.

[0004] Therefore, the present invention provides a vertical turning-milling compound machining device to integrate the above two machining technologies to solve the problems raised in the above background technology. Summary of the invention

[0005] In order to solve the above technical problems, the purpose of the present invention is to provide a vertical turning and milling compound processing equipment to integrate turning processing technology and milling processing technology to reduce equipment manufacturing and purchase costs.

[0006] The present invention solves the above problems through the following technical solutions:

[0007] A vertical milling and turning compound processing equipment comprises: a machine bed, and a crossbeam column arranged vertically at the rear of the upper part of the machine bed in a "door" shape; an X-axis assembly, an A-axis assembly and a C-axis assembly are arranged at the front of the upper part of the machine bed, wherein the X-axis assembly is arranged horizontally on the upper part of the machine bed and can slide along the X-axis, the A-axis assembly can swing left and right around the X-axis and is arranged on the X-axis assembly, and the C-axis assembly can rotate around the Z-axis and is arranged on the A-axis assembly, the workpiece is arranged on the vacuum suction cup of the C-axis assembly by vacuum adsorption, and the front and rear position of the workpiece is controlled by the X-axis assembly, and the A-axis assembly on the X-axis assembly controls the front and rear position of the workpiece. The workpiece is controlled to swing left and right around the X-axis to control the left and right angular orientation of the workpiece, and the C-axis assembly on the A-axis assembly controls the workpiece to rotate around the Z-axis to control the front and rear angular orientation of the workpiece; the Y-axis assembly and the Z-axis assembly are arranged on the crossbeam of the crossbeam column, wherein the Y-axis assembly is arranged on the crossbeam in a horizontal manner and can slide along the Y-axis, and the Z-axis assembly is arranged on the Y-axis assembly and can slide along the Z-axis; a high-speed electric spindle for cutting the workpiece is installed on the Z-axis assembly; a tool magazine unit is arranged on the left or right side of the machine tool bed, and the tool holder tool on the high-speed electric spindle is quickly replaced through the tool magazine unit.

[0008] As a further improvement of the present invention, the X-axis assembly includes: an X-axis worktable, an X-axis guide rail and an X-axis guide rail slider. The two X-axis guide rails are fixedly installed on the machine tool bed on the left and right. The X-axis worktable is in a "U" shape. The two X-axis guide rail sliders are respectively installed at the two ends of the "U" shape of the X-axis worktable to form a slide groove. The slide groove formed by the X-axis guide rail slider is slidably connected to the X-axis guide rail so that the X-axis worktable can slide back and forth on the X-axis guide rail.

[0009] As a further improvement of the present invention, the X-axis assembly also includes: an X-axis linear motor and an X-axis grating; the X-axis linear motor is used to provide driving force for the movement of the X-axis worktable and its connected components, and the X-axis grating provides position feedback for the movement of the X-axis worktable.

[0010] As a further improvement of the present invention, the X-axis linear motor includes: an X-axis motor mover and an X-axis motor stator, the X-axis motor stator is installed on the machine tool bed, and the X-axis motor mover is fixed to the lower part of the X-axis worktable; the X-axis grating is fixed to the machine tool bed through an X-axis grating scale mounting seat.

[0011] As a further improvement of the present invention, the A-axis assembly includes: an A-axis table head, an A-axis table tail, an A-axis bridge body and a support shaft. The A-axis table head and the A-axis table tail are respectively connected and fixed to the front and rear ends of the X-axis worktable of the X-axis assembly, and are connected to the "U"-shaped A-axis bridge body through the support shaft. The C-axis assembly is arranged on the inside of the "U"-shaped A-axis bridge body; a motor and an encoder are installed inside the A-axis table head to provide power for the rotation of the A-axis assembly.

[0012] As a further improvement of the present invention, the C-axis assembly includes: a C-axis bearing seat, a cylinder sleeve, a sealing ring, a waterproof ring, an air distributor plate, a pallet and a vacuum suction cup. The C-axis bearing seat is installed on the A-axis assembly through the shaft system. The cylinder sleeve is sleeved on the C-axis bearing seat. The cylinder sleeve is sequentially equipped with a sealing ring and a waterproof ring to prevent dust and liquid from entering the interior of the bearing. The air distributor plate is installed on the waterproof ring. The incoming gas is divided into four paths through the air distributor plate for use in the zero-point clamping and tensioning switch. Four grooves are provided under the pallet, and it is placed on the zero-point positioning switch by a handling robot. The vacuum suction cup is arranged above the pallet for fixing the workpiece by vacuum adsorption.

[0013] As a further improvement of the present invention, the tool magazine unit includes: a tool magazine support, a tool magazine disc and a tool holder tool. The tool magazine support is fixed on the machine tool bed. The tool magazine support is provided with a tool magazine disc. The tool magazine disc is provided with several tool holder tools required for machine tool processing.

[0014] As a further improvement of the present invention, the Y-axis assembly includes: a ram large pressure plate, a Y-axis guide rail, a Y-axis guide rail slider and a Y-axis linear motor, two Y-axis guide rails are fixedly mounted on the crossbeam, two Y-axis guide rail sliders are respectively mounted at two ends of the ram large pressure plate to form a slide groove, and the slide groove formed by the Y-axis guide rail slider is slidably connected with the Y-axis guide rail so that the ram large pressure plate can slide left and right along the Y-axis;

[0015] The Y-axis linear motor includes: a Y-axis motor mover and a Y-axis motor stator. The Y-axis motor stator is installed on the crossbeam, and the Y-axis motor mover is fixed at the bottom of the ram large pressure plate to provide driving force for the ram large pressure plate and its connected components through the Y-axis linear motor.

[0016] As a further improvement of the present invention, the Z-axis assembly includes: a ram, a Z-axis guide, a Z-axis guide slider, a Z-axis linear motor, a plunger-type hydraulic push cylinder and a piston rod. The ram is slidingly arranged in a large pressure plate of the ram, the Z-axis guide slider is installed inside the ram, and the Z-axis guide is fixedly installed on the large pressure plate of the ram to achieve a sliding connection through the cooperation of the Z-axis guide slider and the Z-axis guide; plunger-type hydraulic push cylinders are installed on the left and right sides of the large pressure plate of the ram, and the plunger-type hydraulic push cylinders are connected to the piston rods installed on the left and right sides of the ram to provide power-off protection for the Z-axis assembly; the Z-axis linear motor is arranged in the ram to provide driving force for the ram and its connected components; a high-speed electric spindle is also installed in the ram to perform cutting processing on the workpiece.

[0017] As a further improvement of the present invention, the machine tool bed is fixed to the ground by anchor bolts.

[0018] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0019] (1) Compared with traditional turning equipment and milling equipment, the present invention integrates the functions of the two. Through structural design and layout, the overall structure is relatively compact, which greatly reduces the cost of processing and manufacturing. In addition, the above two forms of mechanical processing can be achieved simply by changing the type of C-axis end connection parts, changing the C-axis speed and replacing the tool holder tool, which greatly improves the utilization rate of the equipment.

[0020] (2) The present invention adopts mechanical guide rails in combination with linear motor drive for the X-axis, Y-axis and Z-axis, which greatly improves the overall rigidity of the equipment.

[0021] (3) The present invention also provides the Z-axis assembly with a piston-type hydraulic push cylinder and piston rods installed on the left and right sides of the slide, which can balance the gravity and prevent the vertical axis from falling due to sudden power failure, thereby playing a power-off protection role. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a vertical turning and milling compound processing equipment of the present invention;

[0023] Figure 2 It is a three-dimensional schematic diagram of a vertical turning and milling compound processing equipment of the present invention;

[0024] Figure 3 It is a schematic diagram of the installation of the A-axis assembly and the C-axis assembly of the present invention;

[0025] Figure 4 It is a schematic diagram of the installation of the Y-axis assembly and the Z-axis assembly of the present invention;

[0026] Figure 5 It is a structural schematic diagram of the Z-axis assembly of the present invention;

[0027] Figure 6 It is a schematic structural diagram of the tool magazine unit of the present invention.

[0028] Reference numerals:

[0029] 1. Anchor bolts; 2. Machine tool bed; 3. X-axis guide rail; 4. X-axis guide rail slider; 5. X-axis worktable; 6. A-axis bridge; 7. A-axis table tail; 8. Support shaft; 9. Vacuum suction cup; 10. Tool magazine bracket; 11. Tool magazine plate; 12. Tool handle tool; 13. Sliding ram large pressure plate; 14. Y-axis linear motor; 15. Y-axis guide rail; 16. Z-axis linear motor; 17. Piston rod; 18. Sliding ram; 19. Plunger type hydraulic push cylinder; 20. A-axis table head; 21. Crossbeam; 22. Crossbeam column; 23. Y-axis guide rail slider; 24. X-axis grating; 25. Pallet; 26. Air distributor; 27. X-axis linear motor; 28. Waterproof ring; 29. ​​Sealing ring; 30. Cylinder sleeve; 31. C-axis bearing seat. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below in conjunction with the drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals throughout represent the same or similar parts or parts with the same or similar functions. The described embodiments are part of the embodiments of the present application, not all of the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0031] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0032] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are orientations or positional relationships based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] In addition, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or display that includes a series of steps or elements is not necessarily limited to those steps or elements explicitly listed but may include other steps or elements not explicitly listed or inherent to such process, method, product, or display.

[0035] The following will be combined Figure 1-6 , a vertical turning and milling compound processing equipment involved in the embodiment of the present application is described in detail. It is worth noting that the following embodiments are only used to explain the present application and do not constitute a limitation of the present application.

[0036] Embodiment 1:

[0037] like Figure 1-6As shown, a vertical turning and milling compound processing equipment comprises: a machine tool bed 2, and a crossbeam column arranged vertically at the rear of the upper part of the machine tool bed 2 in a "door" shape;

[0038] An X-axis assembly, an A-axis assembly and a C-axis assembly are arranged in front of the upper part of the machine tool bed 2, wherein the X-axis assembly is arranged horizontally on the upper part of the machine tool bed 2 and can slide along the X-axis, the A-axis assembly can swing left and right around the X-axis and is arranged on the X-axis assembly, and the C-axis assembly can rotate around the Z-axis and is arranged on the A-axis assembly, the workpiece is arranged on the vacuum suction cup 9 of the C-axis assembly by vacuum adsorption, and the front and rear position of the workpiece is controlled by the X-axis assembly, the A-axis assembly on the X-axis assembly controls the workpiece to swing left and right around the X-axis to control the left and right angle orientation of the workpiece, and the C-axis assembly on the A-axis assembly controls the workpiece to rotate around the Z-axis to control the front and rear angle orientation of the workpiece;

[0039] The crossbeam 21 of the crossbeam column is provided with a Y-axis assembly and a Z-axis assembly, wherein the Y-axis assembly is horizontally arranged on the crossbeam 21 and can slide along the Y-axis, and the Z-axis assembly is arranged on the Y-axis assembly and can slide along the Z-axis; a high-speed electric spindle for cutting workpieces is installed on the Z-axis assembly;

[0040] A tool magazine unit is arranged on the left or right side of the machine tool bed 2, through which the tool holder tool on the high-speed electric spindle can be quickly replaced. When the tool holder tool is a turning tool, turning is performed, and when the tool holder tool is a milling cutter, milling is performed to complete turning and milling.

[0041] In a specific embodiment, a vertical milling and turning composite machining equipment includes: an X-axis assembly, a Y-axis assembly, a Z-axis assembly, a C-axis assembly, an A-axis assembly, a crossbeam column, a tool magazine unit, a machine bed 2, etc. Among them, the crossbeam column and the X-axis assembly are installed on the machine bed 2, and are arranged vertically in a horizontal manner; the Y-axis assembly is installed on the crossbeam 21 of the crossbeam column, and the Z-axis assembly is nested and installed inside the Y-axis assembly, and can slide in the vertical direction; the A-axis assembly is installed on the X-axis assembly, and the C-axis assembly is installed on the A-axis assembly, and is arranged vertically, and the tool magazine unit is installed on one side of the machine bed.

[0042] Among them, the X-axis assembly mainly includes: X-axis worktable 5, X-axis guide rail 3, X-axis guide rail slider 4, X-axis linear motor 27, X-axis grating 24, etc. Two X-axis guide rails 3 are installed on the machine tool bed 2 by bolt connection, the X-axis worktable 5 is "U" shaped, and the two X-axis guide rail sliders 4 are respectively installed at the two ends of the X-axis worktable U shape to form a slide groove, and the slide groove formed by the X-axis guide rail slider 4 is slidably connected with the X-axis guide rail, so that the X-axis worktable 5 can slide back and forth on the X-axis guide rail 3;

[0043] The X-axis linear motor 27 includes: an X-axis motor mover and an X-axis motor stator. The X-axis motor stator is mounted on the machine tool bed, the X-axis motor mover is fixed to the lower part of the X-axis worktable, and the X-axis grating 24 is fixed to the machine tool bed through the X-axis grating scale mounting seat. The X-axis assembly adopts a mechanical guide rail, and the X-axis linear motor 27 is used to provide driving force for the movement of the X-axis worktable 5 and its connected parts; the X-axis grating 24 provides position feedback for the movement of the X-axis worktable 5.

[0044] The Y-axis assembly includes: a ram large pressure plate 13, a Y-axis guide rail 15, a Y-axis guide rail slider 23, a Y-axis linear motor 14, etc. The Y-axis guide rail 15 is installed on the crossbeam column 22 by bolt connection, and two Y-axis guide rail sliders 23 are respectively installed at the two ends of the ram large pressure plate 13 to form a slide groove. The slide groove formed by the Y-axis guide rail slider is slidably connected with the Y-axis guide rail 15 so that the ram large pressure plate 13 can slide left and right along the Y-axis; the Y-axis linear motor 14 includes: a Y-axis motor mover and a Y-axis motor stator. The Y-axis motor stator is installed on the crossbeam column, and the Y-axis motor mover is fixed at the bottom of the ram large pressure plate 13. Preferably, the Y-axis assembly adopts a mechanical guide rail so that the Z axis has greater rigidity and higher precision. The Y-axis linear motor 14 is used to provide driving force for the ram large pressure plate and its connected components.

[0045] Furthermore, a Z-axis assembly of a vertical turning and milling composite machining equipment includes: a slide 18, a Z-axis guide rail, a Z-axis guide rail slider, a Z-axis linear motor 16, a plunger-type hydraulic push cylinder 19, a piston rod 17, etc.

[0046] The Z-axis guide slider is installed inside the ram large pressure plate 13, the ram 18 is slidably set inside the ram large pressure plate 13, and the Z-axis guide is installed on the ram 18 through bolt connection, so as to achieve sliding connection through the Z-axis guide slider and the Z-axis guide; the plunger-type hydraulic push cylinder 19 is installed on the left and right sides of the ram large pressure plate 13, and the plunger-type hydraulic push cylinder 19 is connected to the piston rod 17 installed on the left and right sides of the ram 18, while balancing the gravity, it prevents the vertical axis from falling due to sudden power failure, and plays a power failure protection role; a high-speed electric spindle is installed inside the ram 18 for cutting processing. The Z-axis assembly is driven by a mechanical guide rail in combination with a linear motor, and the Z-axis linear motor 16 is set in the ram 18 to provide driving force for the Z-axis ram 18 and its connected components.

[0047] Embodiment 2:

[0048] An A-axis assembly of a vertical milling and turning composite machining equipment includes: an A-axis table head 20, an A-axis table tail 7, an A-axis bridge body 6, and a support shaft 8, etc. The A-axis table head 20 and the A-axis table tail 7 are respectively fixed to the front and rear ends of the X-axis worktable by bolt connection, and are connected to the "U"-shaped A-axis bridge body 6 through the support shaft 8, and the C-axis assembly is arranged inside the "U"-shaped A-axis bridge body 6. A motor and an encoder are installed inside the A-axis table head 20 to provide power for the rotation of the A-axis.

[0049] Furthermore, a C-axis assembly of a vertical milling and turning composite machining equipment includes: a C-axis bearing seat 31, a cylinder sleeve 30, a sealing ring 29, a waterproof ring 28, an air distributor 26, a tray 25 and a vacuum suction cup 9. The C-axis bearing seat 31 is mounted on the A-axis bridge body 6 through the shaft system, the cylinder sleeve 30 is sleeved on the C-axis bearing seat 31, and the cylinder sleeve 30 is sequentially equipped with a sealing ring 29 and a waterproof ring 28 to prevent dust and liquid from entering the bearing. The air distributor 26 is installed on the waterproof ring 28 to divide the incoming gas into four paths for use by the zero-point clamping and opening switch. There are four grooves under the tray 25, which are placed on the zero-point positioning switch by a handling robot. The vacuum suction cup 9 is placed above the tray 25, on which a workpiece is placed, and the workpiece is fixed by vacuum adsorption.

[0050] Embodiment 3:

[0051] A tool magazine unit of a vertical milling machine is arranged as a whole on one side of a machine tool. In this embodiment, the tool magazine unit is arranged on the left side of the X-axis assembly for fast tool change of the machine tool. The tool magazine unit includes: a tool magazine support 10, a tool magazine disc 11 and a tool holder tool 12, wherein the tool magazine support 10 is fixed to the machine tool bed 2 by bolt connection, and a tool magazine disc 11 is arranged on the tool magazine support 10, and a plurality of tool holder tools 12 required for machine tool processing can be placed on the tool magazine disc 11.

[0052] Furthermore, a vertical turning-milling composite processing equipment also includes: a machine tool bed 2, which is fixed to the ground by anchor bolts 1.

[0053] Preferably, the machine tool bed 2 and the crossbeam columns 22 are cast using high-strength cast iron and resin sand technology, with an overall gantry frame layout and a complete heat treatment process to eliminate residual stress, and have high rigidity and good stability.

[0054] Furthermore, a vertical turning and milling composite processing equipment also includes a protective device, a dust prevention device and an oil supply system, etc., which are not shown in the figure.

[0055] Although the present invention is described herein with reference to the illustrative embodiments of the present invention, the above embodiments are only preferred embodiments of the present invention, and the embodiments of the present invention are not limited to the above embodiments. It should be understood that those skilled in the art can design many other modifications and embodiments, which will fall within the scope and spirit of the principles disclosed in this application.

Claims

1. A vertical turning and milling compound processing equipment, characterized in that: include: The machine tool bed and the crossbeam column vertically arranged at the rear of the upper part of the machine tool bed in a "door" shape; An X-axis assembly, an A-axis assembly and a C-axis assembly are arranged at the front of the upper part of the machine tool bed, wherein the X-axis assembly is arranged at the upper part of the machine tool bed in a horizontal position and can slide along the X-axis, the A-axis assembly can swing left and right around the X-axis and is arranged on the X-axis assembly, and the C-axis assembly can rotate around the Z-axis and is arranged on the A-axis assembly, the workpiece is arranged on the vacuum suction cup of the C-axis assembly by vacuum adsorption, and the front and rear position of the workpiece is controlled by the X-axis assembly, the A-axis assembly on the X-axis assembly controls the workpiece to swing left and right around the X-axis to control the left and right angle orientation of the workpiece, and the C-axis assembly on the A-axis assembly controls the workpiece to rotate around the Z-axis to control the front and rear angle orientation of the workpiece; The crossbeam of the crossbeam column is provided with a Y-axis assembly and a Z-axis assembly, wherein the Y-axis assembly is arranged on the crossbeam in a horizontal position and can slide along the Y-axis, and the Z-axis assembly is arranged on the Y-axis assembly and can slide along the Z-axis; a high-speed electric spindle for cutting workpieces is installed on the Z-axis assembly; A tool magazine unit is arranged on the left or right side of the machine tool bed, through which the tool holder tools on the high-speed electric spindle can be quickly replaced.

2. The vertical turning and milling compound processing equipment according to claim 1, characterized in that: The X-axis assembly includes: an X-axis worktable, an X-axis guide rail and an X-axis guide rail slider. The two X-axis guide rails are fixedly installed on the machine tool bed on the left and right sides. The X-axis worktable is in a "U" shape. The two X-axis guide rail sliders are respectively installed at the two ends of the "U" shape of the X-axis worktable to form a slide groove. The slide groove formed by the X-axis guide rail slider is slidably connected to the X-axis guide rail so that the X-axis worktable can slide back and forth on the X-axis guide rail.

3. The vertical turning and milling compound processing equipment according to claim 2, characterized in that: The X-axis assembly also includes: an X-axis linear motor and an X-axis grating; the X-axis linear motor is used to provide driving force for the movement of the X-axis workbench and its connected components, and the X-axis grating provides position feedback for the movement of the X-axis workbench.

4. The vertical turning and milling compound processing equipment according to claim 3, characterized in that: The X-axis linear motor includes: an X-axis motor mover and an X-axis motor stator. The X-axis motor stator is installed on the machine tool bed, and the X-axis motor mover is fixed to the lower part of the X-axis workbench; the X-axis grating is fixed to the machine tool bed through an X-axis grating ruler mounting seat.

5. The vertical turning and milling compound processing equipment according to claim 1, characterized in that: The A-axis assembly includes: an A-axis table head, an A-axis table tail, an A-axis bridge body and a supporting shaft. The A-axis table head and the A-axis table tail are respectively connected and fixed to the front and rear ends of the X-axis worktable of the X-axis assembly, and are connected to the "U"-shaped A-axis bridge body through the supporting shaft. The C-axis assembly is arranged inside the "U"-shaped A-axis bridge body; a motor and an encoder are installed inside the A-axis table head to provide power for the rotation of the A-axis assembly.

6. The vertical turning and milling compound processing equipment according to claim 1, characterized in that: The C-axis assembly includes: a C-axis bearing seat, a cylinder sleeve, a sealing ring, a waterproof ring, an air distributor plate, a pallet and a vacuum suction cup. The C-axis bearing seat is installed on the A-axis assembly through the shaft system. The cylinder sleeve is sleeved on the C-axis bearing seat. The cylinder sleeve is successively equipped with a sealing ring and a waterproof ring to prevent dust and liquid from entering the bearing. The air distributor plate is installed on the waterproof ring. The incoming gas is divided into four paths through the air distributor plate for use by the zero-point clamping and tensioning switch; four grooves are provided under the pallet, and are placed on the zero-point positioning switch by a handling robot; the vacuum suction cup is arranged above the pallet for fixing the workpiece by vacuum adsorption.

7. The vertical turning and milling compound processing equipment according to claim 1, characterized in that: The tool magazine unit comprises: a tool magazine support, a tool magazine disc and a tool handle tool. The tool magazine support is fixed on the machine tool bed, the tool magazine support is provided with a tool magazine disc, and the tool magazine disc is provided with a number of tool handle tools required for machine tool processing.

8. The vertical turning and milling compound processing equipment according to claim 1, characterized in that: The Y-axis assembly comprises: a ram large pressure plate, a Y-axis guide rail, a Y-axis guide rail slider and a Y-axis linear motor, wherein two Y-axis guide rails are fixedly mounted on the crossbeam, and two Y-axis guide rail sliders are respectively mounted at two ends of the ram large pressure plate to form a slide groove, and the slide groove formed by the Y-axis guide rail slider is slidably connected with the Y-axis guide rail so that the ram large pressure plate can slide left and right along the Y-axis; The Y-axis linear motor includes: a Y-axis motor mover and a Y-axis motor stator. The Y-axis motor stator is installed on the crossbeam, and the Y-axis motor mover is fixed at the bottom of the ram large pressure plate to provide driving force for the ram large pressure plate and its connected components through the Y-axis linear motor.

9. The vertical turning and milling compound processing equipment according to claim 1, characterized in that: The Z-axis assembly includes: a ram, a Z-axis guide, a Z-axis guide slider, a Z-axis linear motor, a plunger-type hydraulic push cylinder and a piston rod. The ram is slidingly arranged in a large ram pressure plate, the Z-axis guide slider is installed inside the ram, and the Z-axis guide is fixedly installed on the large ram pressure plate to achieve a sliding connection through the cooperation of the Z-axis guide slider and the Z-axis guide; plunger-type hydraulic push cylinders are installed on the left and right sides of the ram pressure plate, and the plunger-type hydraulic push cylinders are connected to the piston rods installed on the left and right sides of the ram to provide power-off protection for the Z-axis assembly; the Z-axis linear motor is arranged in the ram to provide driving force for the ram and its connected components; a high-speed electric spindle is also installed in the ram to perform cutting processing on the workpiece.

10. A vertical turning-milling compound machining equipment according to any one of claims 1 to 9, characterized in that: The machine tool bed is fixed to the ground via anchor bolts.

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