阅读说明：本技术 一种多工位数控加工中心 (Multi-station numerical control machining center ) 是由 戴乃昌 于 2021-07-22 设计创作，主要内容包括：本发明提出了一种多工位数控加工中心,涉及数控机床制造技术领域。一种多工位数控加工中心,包括机床主体、刀具组件、夹持组件和控制单元。夹持组件包括工作台、转动盘和多个夹具,工作台设置在机床主体上,且与机床主体转动连接,转动盘设置在工作台上,且与工作台转动连接,多个夹具均匀间隔设置在转动盘的周线方向。刀具组件包括多个刀具结构,多个刀具结构分别设置在机床主体上,且多个刀具结构与多个夹具一一对应,刀具结构用于切削对应夹具上的工件。控制单元与夹具连接,用于控制夹具动作。本发明能够在满足加工轴数保证加工能力和加工质量的同时,还能够增加工位数量,保证加工效率。(The invention provides a multi-station numerical control machining center, and relates to the technical field of numerical control machine tool manufacturing. A multi-station numerical control machining center comprises a machine tool main body, a cutter assembly, a clamping assembly and a control unit. The clamping assembly comprises a workbench, a rotating disc and a plurality of clamps, the workbench is arranged on the machine tool main body and is connected with the machine tool main body in a rotating mode, the rotating disc is arranged on the workbench and is connected with the workbench in a rotating mode, and the plurality of clamps are arranged in the contour direction of the rotating disc at uniform intervals. The cutter assembly comprises a plurality of cutter structures, the cutter structures are respectively arranged on the machine tool main body, the cutter structures correspond to the clamps one by one, and the cutter structures are used for cutting workpieces on the corresponding clamps. The control unit is connected with the clamp and used for controlling the action of the clamp. The invention can satisfy the requirement of the number of processing shafts to ensure the processing capacity and the processing quality, and can increase the number of stations to ensure the processing efficiency.)

1. A multi-station numerical control machining center is characterized by comprising a machine tool main body, a cutter assembly, a clamping assembly and a control unit, wherein the clamping assembly comprises a workbench, a rotating disc and a plurality of clamps;

the cutter assembly comprises a plurality of cutter structures, the cutter structures are respectively arranged on the machine tool main body and correspond to the clamps one by one, and the cutter structures are used for cutting workpieces corresponding to the clamps;

the control unit is connected with the clamp and used for controlling the clamp to act.

2. The multi-station numerical control machining center according to claim 1, wherein a rotating part is arranged between the workbench and the machine tool main body, the rotating part comprises a first driving motor and rotating shafts arranged on two sides of the workbench, the rotating shafts are rotatably connected with the machine tool, and an output end of the first driving motor is connected with any rotating shaft.

3. The multi-station numerical control machining center according to claim 2, wherein the first driving motor is connected with the control unit.

4. The multi-station numerical control machining center according to claim 1, characterized in that a cavity is formed in the workbench, a connecting shaft is arranged between the rotating disc and the workbench, the rotating disc is sleeved at one end of the connecting shaft, the other end of the connecting shaft penetrates through the workbench and extends into the cavity, a worm wheel is sleeved on the connecting shaft in the cavity, a worm is arranged in the cavity and meshed with the worm wheel, and a second driving motor is connected to one end of the worm.

5. The multi-station numerical control machining center according to claim 4, wherein the second driving motor is connected with the control unit.

6. The multi-station numerical control machining center according to claim 4, characterized in that two rotating discs are symmetrically arranged on the workbench.

7. The multi-station numerical control machining center according to claim 6, wherein the connecting shaft penetrates through the workbench, and the two rotating discs are respectively sleeved at two ends of the connecting shaft extending out of the cavity.

8. A multi-station numerical control machining center according to any one of claims 1 to 7, wherein the tool structure includes a tool and a feed member, the feed member is provided on the machine tool body, the tool is provided on the feed member, and the tool is oriented toward the jig corresponding thereto.

9. The multi-station numerical control machining center according to claim 8, wherein the feeding component comprises an X-axis feeding mechanism, a Y-axis feeding mechanism and a Z-axis feeding mechanism, the Z-axis feeding mechanism is arranged on the machine tool body, the Y-axis feeding mechanism is arranged on the Z-axis feeding mechanism, the X-axis feeding mechanism is arranged on the Y-axis feeding mechanism, and the tool is arranged on the X-axis feeding mechanism and can be moved to feed or retract through the X-axis feeding mechanism, the Y-axis feeding mechanism and the Z-axis feeding mechanism.

10. The multi-station numerical control machining center according to claim 9, wherein the X-axis feeding mechanism, the Y-axis feeding mechanism, and the Z-axis feeding mechanism are connected to the control unit, respectively.

Technical Field

The invention relates to the technical field of numerical control machine tool manufacturing, in particular to a multi-station numerical control machining center.

Background

The numerical control machine tool is a short name of a digital control machine tool (Computer numerical control machine tools), and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing. The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of numerical control machines with highest yield and most extensive application in the world at present. The comprehensive processing capacity is strong, a workpiece can finish more processing contents after being clamped once, the processing precision is high, batch workpieces with medium processing difficulty are processed, the efficiency is 5-10 times that of common equipment, especially, the batch processing method can finish processing which cannot be finished by a plurality of common equipment, and the batch processing method is more suitable for single-piece processing or medium-small batch multi-variety production with complex shapes and high precision requirements. . At present, the existing numerical control machine tool generally increases along with a processing shaft, the processing capacity and the processing quality are also improved, but a station can be limited, and the processing efficiency of a numerical control processing center becomes low.

Disclosure of Invention

The invention aims to provide a multi-station numerical control machining center which can meet the requirement of the number of machining shafts to ensure machining capacity and machining quality, and can increase the number of stations to ensure machining efficiency.

The embodiment of the invention is realized by the following steps:

the embodiment of the application provides a multi-station numerical control machining center which comprises a machine tool main body, a cutter assembly, a clamping assembly and a control unit, wherein the clamping assembly comprises a workbench, a rotating disc and a plurality of clamps;

the cutter assembly comprises a plurality of cutter structures, the cutter structures are respectively arranged on the machine tool main body and correspond to the clamps one by one, and the cutter structures are used for cutting workpieces on the corresponding clamps;

the control unit is connected with the clamp and used for controlling the action of the clamp.

In some embodiments of the present invention, a rotating component is disposed between the workbench and the machine tool main body, the rotating component includes a first driving motor and rotating shafts disposed on two sides of the workbench, the rotating shafts are rotatably connected to the machine tool, and an output end of the first driving motor is connected to any rotating shaft.

In some embodiments of the present invention, the first driving motor is connected to a control unit.

In some embodiments of the present invention, a cavity is formed in the workbench, a connecting shaft is disposed between the rotating disc and the workbench, the rotating disc is sleeved on one end of the connecting shaft, the other end of the connecting shaft penetrates through the workbench and extends into the cavity, a worm wheel is sleeved on the connecting shaft located in the cavity, a worm is disposed in the cavity, the worm is engaged with the worm wheel, and one end of the worm is connected to a second driving motor.

In some embodiments of the present invention, the second driving motor is connected to the control unit.

In some embodiments of the present invention, two rotating discs are symmetrically disposed on the worktable.

In some embodiments of the present invention, the connecting shaft penetrates through the working table, and the two rotating discs are respectively sleeved at two ends of the connecting shaft extending out of the cavity.

In some embodiments of the present invention, the tool structure includes a tool and a feeding member, the feeding member is provided on the machine tool body, the tool is provided on the feeding member, and the tool faces the jig corresponding thereto.

In some embodiments of the present invention, the feeding unit includes an X-axis feeding mechanism, a Y-axis feeding mechanism, and a Z-axis feeding mechanism, the Z-axis feeding mechanism is disposed on the machine tool main body, the Y-axis feeding mechanism is disposed on the Z-axis feeding mechanism, the X-axis feeding mechanism is disposed on the Y-axis feeding mechanism, and the tool is disposed on the X-axis feeding mechanism and can be moved to feed or retract the tool through the X-axis feeding mechanism, the Y-axis feeding mechanism, and the Z-axis feeding mechanism.

In some embodiments of the present invention, the X-axis feeding mechanism, the Y-axis feeding mechanism, and the Z-axis feeding mechanism are respectively connected to a control unit.

Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:

the invention provides a multi-station numerical control machining center which comprises a machine tool main body, a cutter assembly, a clamping assembly and a control unit. The machine tool body is an integral part of a numerical control machine tool, and the tool assembly is used for cutting a workpiece during cutting. The clamping assembly is used for clamping and positioning a workpiece. The cutter assembly is matched with the clamping assembly, so that the cutting machining of a machined workpiece can be realized. The control unit is used for realizing the control of the action. The clamping assembly comprises a workbench, a rotating disc and a plurality of clamps, the workbench is arranged on the machine tool main body and is connected with the machine tool main body in a rotating mode, the rotating disc is arranged on the workbench and is connected with the workbench in a rotating mode, and the clamps are arranged in the circumferential direction of the rotating disc at uniform intervals. Among the above-mentioned centre gripping subassembly, the workstation is used for bearing above-mentioned rolling disc, and above-mentioned rolling disc rotates with the workstation to be connected, makes the rolling disc can freely rotate on the workstation to can drive the anchor clamps on the rolling disc and rotate. The clamp can reach the next station from the current station in the rotating process. The plurality of clamps are uniformly arranged in the circumferential direction of the rotating disc at intervals, so that more stations can be arranged, and the rotation of the rotating disc is not influenced. The workbench is arranged on the machine tool main body and is rotationally connected with the machine tool main body, so that the workbench can drive the rotating disc to rotate after rotating, and the position change of the clamp is further realized. The cutter assembly comprises a plurality of cutter structures, the cutter structures are respectively arranged on the machine tool main body, the cutter structures correspond to the clamps one by one, and the cutter structures are used for cutting workpieces on the corresponding clamps. Above-mentioned a plurality of cutter structures and a plurality of anchor clamps one-to-one, the cutter structure that conveniently corresponds advances the cutting rather than the work piece on the corresponding anchor clamps, can further promote machining efficiency. The upper cutter structures are used for different cutting processes of the same machined workpiece, and after the machined workpiece on the clamp is machined from the last machining position, the rotating disc is rotated, so that the clamp on the rotating disc can move to the next station and enter the next cutting process. Thus, the cutting process of the workpiece in one direction can be completed on the rotating disc. After the cutting process procedure of accomplishing a direction, rotate above-mentioned workstation, the workstation rotates the work piece rotation on the drive anchor clamps after rotating, makes the work piece rotate the machined surface of another direction to make this machined surface aim at corresponding cutter structure, make things convenient for the cutter structure to carry out cutting process to this machined surface. Therefore, the position of the workpiece can be replaced without loosening the clamp, and the machining efficiency can be further improved. The control unit is connected with the clamp and used for controlling the clamp to act, the control unit realizes automatic control of the clamp, cutting machining is automated, and machining efficiency can be improved.

Therefore, the multi-station numerical control machining center can meet the requirement of the number of machining shafts, guarantee machining capacity and machining quality, increase the number of stations and guarantee machining efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a workpiece rotated to a vertical direction according to an embodiment of the present invention;

FIG. 2 is a schematic view of a workpiece rotated to a horizontal direction according to an embodiment of the present invention;

FIG. 3 is a schematic view showing a mounting structure of a rotating member according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a feeding unit according to an embodiment of the present invention;

FIG. 5 is a schematic view of the installation of a second drive motor in an embodiment of the present invention;

fig. 6 is a control block diagram of a control unit in the embodiment of the present invention.

Icon: 1-a machine tool main body, 2-a cutter structure, 3-a clamp, 4-a rotating disc, 5-a rotating shaft, 6-a first driving motor, 7-a workbench, 8-a cavity, 9-a connecting shaft, 10-a worm wheel, 11-a worm and 12-a second driving motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "plurality" if any, means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1, 2 and 3, fig. 1 is a schematic structural view illustrating a workpiece rotated to a vertical direction according to an embodiment of the present invention; FIG. 2 is a schematic view of a workpiece rotated to a horizontal direction according to an embodiment of the present invention; fig. 3 is a schematic view of the mounting structure of the rotating member in the embodiment of the present invention. The embodiment provides a multi-station numerical control machining center, which comprises a machine tool body 1, a cutter assembly, a clamping assembly and a control unit. The machine tool body 1 is an integral part of a numerically controlled machine tool, and the tool unit is used for cutting a workpiece during cutting. The clamping assembly is used for clamping and positioning a workpiece. The cutter assembly is matched with the clamping assembly, so that the cutting machining of a machined workpiece can be realized. The control unit is used for realizing the control of the action.

In this embodiment, the clamping assembly includes a workbench 7, a rotary disk 4 and a plurality of clamps 3, the workbench 7 is disposed on the machine tool body 1 and is rotatably connected with the machine tool body 1, the rotary disk 4 is disposed on the workbench 7 and is rotatably connected with the workbench 7, and the plurality of clamps 3 are uniformly arranged in the circumferential direction of the rotary disk 4 at intervals. In the clamping assembly, the workbench 7 is used for bearing the rotating disc 4, and the rotating disc 4 is rotatably connected with the workbench 7, so that the rotating disc 4 can freely rotate on the workbench 7, and the clamp 3 on the rotating disc 4 can be driven to rotate. The above-mentioned gripper 3 can be moved from the current station to the next station during the rotation. The plurality of clamps 3 are uniformly arranged in the circumferential direction of the rotating disc 4 at intervals, so that more stations can be arranged, and the rotation of the rotating disc is not influenced.

In this embodiment, the workbench 7 is disposed on the machine tool body 1 and is rotatably connected to the machine tool body 1, so that the workbench 7 can rotate to drive the rotating disc 4 to rotate, thereby further realizing the position change of the clamp 3.

In this embodiment, the tool assembly includes a plurality of tool structures 2, the tool structures 2 are respectively disposed on the machine tool body 1, the tool structures 2 correspond to the clamps 3 one by one, and the tool structures 2 are used for cutting the workpiece on the corresponding clamps 3. Above-mentioned a plurality of cutter structures 2 and a plurality of anchor clamps 3 one-to-one, the cutter structure 2 that conveniently corresponds advances the cutting rather than the work piece on the corresponding anchor clamps 3, can further promote machining efficiency. The upper cutter structures 2 are used for different cutting processes of the same machined workpiece, and after the machined workpiece on the clamp 3 is machined from the last machining position, the rotating disc 4 is rotated, so that the clamp 3 on the rotating disc 4 can move to the next station and enter the next cutting process. This enables the turning disc 4 to complete the cutting process of the workpiece in one direction.

In this embodiment, after the cutting process procedure of completion one direction, rotate above-mentioned workstation 7, workstation 7 rotates the back and drives the work piece rotation on the anchor clamps 3, makes the work piece rotate the machined surface of another direction to make this machined surface aim at corresponding cutter structure 2, make things convenient for cutter structure 2 to carry out cutting process to this machined surface. Therefore, the position of the processed workpiece can be replaced without loosening the clamp 3, and the processing efficiency can be further improved.

In this embodiment, the control unit is connected to the clamp 3 for controlling the clamp 3 to operate, and the control unit realizes automatic control of the clamp 3, so that the cutting process is automated and the processing efficiency can be improved. The above-mentioned clamp 3 is a numerically controlled machine tool clamp 3, which is a prior art, and the control unit is connected to the clamp 3, and the prior art is also used for controlling the action of the clamp 3, so it will not be further described.

Therefore, the multi-station numerical control machining center can meet the requirement of the number of machining shafts, guarantee machining capacity and machining quality, increase the number of stations and guarantee machining efficiency.

Referring to fig. 3, in some embodiments of the present invention, a rotating member is disposed between the table 7 and the machine tool body 1. The rotating part comprises a first driving motor 6 and rotating shafts 5 arranged on two sides of the workbench 7, the rotating shafts 5 are rotatably connected with the machine tool, and the output end of the first driving motor 6 is connected with any rotating shaft 5.

In the present embodiment, the rotary member provided between the table 7 and the machine tool body 1 can freely rotate the table 7. In the above-mentioned rotating part, after first driving motor 6 drives corresponding pivot 5 to rotate, pivot 5 can drive the workstation 7 that is connected with it and rotate.

Referring to fig. 6, in some embodiments of the present invention, the first driving motor 6 is connected to the control unit.

In this embodiment, the control unit is connected to the first driving motor 6, and after a control command is input to the control unit, automatic control of the first driving motor 6 can be realized.

Referring to fig. 3 and 5, in some embodiments of the present invention, a cavity 8 is formed in the workbench 7, a connecting shaft 9 is disposed between the rotating disc 4 and the workbench 7, the rotating disc 4 is sleeved on one end of the connecting shaft 9, the other end of the connecting shaft 9 penetrates through the workbench 7 and extends into the cavity 8, a worm wheel 10 is sleeved on the connecting shaft 9 located in the cavity 8, a worm 11 is disposed in the cavity 8, the worm 11 is engaged with the worm wheel 10, and one end of the worm 11 is connected to a second driving motor 12.

In the present embodiment, the above-mentioned connecting shaft 9 is used to visualize the rotation of the rotary disk 4 on the table 7. The worm wheel 10 and the worm 11 arranged in the cavity 8 are meshed with each other, and when the second driving motor 12 drives the worm 11 to rotate, the worm wheel 10 can be driven to rotate. The worm wheel 10 is connected with the connecting shaft 9 through a connecting key, so that the worm wheel 10 can drive the connecting shaft 9 to rotate after rotating. Meanwhile, the rotating disc 4 is connected with the connecting shaft 9 through a connecting key, so that the rotating disc 4 can be driven to rotate after the connecting shaft 9 rotates.

Referring to fig. 6, in some embodiments of the present invention, the second driving motor 12 is connected to the control unit, and the second driving motor 12 can be automatically controlled after a control command is input to the control unit.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, two rotating discs 4 are symmetrically disposed on the worktable 7. Adopt two 4 symmetries of rolling disc to set up in 7 both sides of workstation, can further increase the quantity of cutting station, reach the effect of doubling cutting process work piece, promotion machining efficiency that can be very big.

Referring to fig. 3, in some embodiments, the connecting shaft 9 penetrates the worktable 7, and the two rotating discs 4 are respectively sleeved on two ends of the connecting shaft 9 extending out of the cavity 8.

Referring to fig. 3, in this embodiment, the two rotating discs 4 may share a same connecting shaft 9, the connecting shaft 9 penetrates through the worktable 7, and the two rotating discs 4 are respectively sleeved at two ends of the connecting shaft 9 extending out of the cavity 8, so that the turbine drives the connecting shaft 9 to rotate and then drives the two rotating discs 4 to rotate. Therefore, the space can be saved, and the transmission efficiency is improved.

Referring to fig. 1, 2 and 3, in some embodiments of the present invention, the tool structure 2 includes a tool and a feeding member, the feeding member is disposed on the machine tool body 1, the tool is disposed on the feeding member, and the tool faces the corresponding clamp 3.

In the present embodiment, the tool in the tool structure 2 is a direct part for cutting a workpiece, and the tool is a tool used for cutting in machine manufacturing. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool.

In this embodiment, the feeding member is used to feed the tool to a desired cutting amount during the cutting process. Meanwhile, the feeding component can also drive the cutter to reach the position of a processed workpiece needing cutting processing.

Referring to fig. 1, 2 and 4, in some embodiments of the present invention, the feeding component includes an X-axis feeding mechanism, a Y-axis feeding mechanism and a Z-axis feeding mechanism. The Z-axis feed mechanism is provided in the machine tool body 1, the Y-axis feed mechanism is provided in the Z-axis feed mechanism, and the X-axis feed mechanism is provided in the Y-axis feed mechanism. The cutter is arranged on the X-axis feeding mechanism and can move to feed or retract through the X-axis feeding mechanism, the Y-axis feeding mechanism and the Z-axis feeding mechanism.

In this embodiment, the feeding component includes an X-axis feeding mechanism for driving the tool to move in the X-axis direction, a Y-axis feeding mechanism for driving the tool to move in the Y-axis direction, and a Z-axis feeding mechanism for driving the tool to move in the Z-axis direction. After the X-axis feeding mechanism, the Y-axis feeding mechanism and the Z-axis feeding mechanism are sequentially overlapped, the cutter can be moved to any required position in the X-axis direction, the Y-axis direction and the Z-axis direction, and therefore the number of processing shafts and the processing capacity of the cutter are greatly improved.

Referring to fig. 6, in some embodiments of the present invention, the X-axis feeding mechanism, the Y-axis feeding mechanism and the Z-axis feeding mechanism are respectively connected to the control unit.

In this embodiment, the control unit is configured to control the feeding operations of the X-axis feeding mechanism, the Y-axis feeding mechanism, and the Z-axis feeding mechanism, thereby achieving the purpose of controlling the cutting feed amount of the tool.

In this embodiment, the control unit includes a microcontroller, which is an integrated circuit chip, and is a small and perfect microcomputer system formed by integrating functions (possibly including a display driving circuit, a pulse width modulation circuit, an analog multiplexer, an a/D converter, and the like) of a central processing unit CPU, a random access memory RAM, a read only memory ROM, various I/O ports, an interrupt system, a timer/counter, and the like with data processing capability onto a silicon chip by using a very large scale integrated circuit technology, and is widely applied in the field of industrial control. Therefore, the microcontroller is used for realizing the feeding control of the Y-axis feeding mechanism and the Z-axis feeding mechanism, the control of the clamping action of the clamp 3 and the action control of the first driving motor 6 and the second driving motor 12, and the control efficiency and the control precision can be greatly improved.

In the present embodiment, the first driving motor 6 and the second driving motor 12 are both servo motors, and the servo motors are engines that control the operation of mechanical elements in a servo system, and are auxiliary motor indirect speed changing devices. The servo motor can control the speed, the rotating direction and the position precision very accurately, and can convert the voltage signal into the torque and the rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output.

When the clamping device is used, a processed workpiece is clamped on each clamp 3, the first driving motor 6 is started through the control unit, the rotating shaft 5 is driven to rotate, and therefore the workbench 7 is driven to rotate to a required position. The control unit starts the second driving motor 12, and the second driving motor 12 drives the worm 11 to rotate, thereby driving the worm wheel 10 to rotate. The worm wheel 10 rotates to drive the connecting shaft 9 to rotate, and the connecting shaft 9 drives the rotating disc 4 to rotate to drive the workpiece to be processed on the clamp 3 to rotate to a cutting station corresponding to the cutter. After the actions are finished, the control unit controls the cutter to start, and simultaneously controls the X-axis feeding mechanism, the Y-axis feeding mechanism and the Z-axis feeding mechanism to move and feed, so that one-time cutting of the processed workpiece is finished. Then, the second driving motor 12 is started again, so that the workpiece enters the next station and corresponds to the tool matching corresponding to the next cutting procedure. After the actions are finished, the control unit controls the cutter to start, and simultaneously controls the X-axis feeding mechanism, the Y-axis feeding mechanism and the Z-axis feeding mechanism to move and feed, so that one-time cutting of the processed workpiece is finished. And repeating the steps until the processed workpiece on the rotating disc 4 sequentially completes all the processing steps. After the processing steps are completed, the first driving motor 6 is started to drive the workbench 7 to rotate, so that the processed workpiece is indirectly driven to rotate to another processing surface, and the processing surface is matched with the corresponding cutter. Then, the rotation of the rotary disk 4 and the cutting operation of the tool are repeated to complete the machining of the machined surface. And stopping after finishing the cutting of all the processing surfaces of the processed workpiece by repeating the steps.

In summary, the embodiment of the present invention provides a multi-station numerical control machining center, which includes a machine tool body 1, a tool assembly, a clamping assembly and a control unit. The machine tool body 1 is an integral part of a numerically controlled machine tool, and the tool unit is used for cutting a workpiece during cutting. The clamping assembly is used for clamping and positioning a workpiece. The cutter assembly is matched with the clamping assembly, so that the cutting machining of a machined workpiece can be realized. The control unit is used for realizing the control of the action. Above-mentioned centre gripping subassembly includes workstation 7, rolling disc 4 and a plurality of anchor clamps 3, and workstation 7 sets up on lathe main part 1, and rotates with lathe main part 1 and be connected, and rolling disc 4 sets up on workstation 7, and rotates with workstation 7 and be connected, and a plurality of anchor clamps 3 even interval set up the contour direction at rolling disc 4. In the clamping assembly, the workbench 7 is used for bearing the rotating disc 4, and the rotating disc 4 is rotatably connected with the workbench 7, so that the rotating disc 4 can freely rotate on the workbench 7, and the clamp 3 on the rotating disc 4 can be driven to rotate. The above-mentioned gripper 3 can be moved from the current station to the next station during the rotation. The plurality of clamps 3 are uniformly arranged in the circumferential direction of the rotating disc 4 at intervals, so that more stations can be arranged, and the rotation of the rotating disc is not influenced. The workbench 7 is arranged on the machine tool main body 1 and is rotationally connected with the machine tool main body 1, so that the workbench 7 can rotate to drive the rotating disc 4 to rotate, and the position change of the clamp 3 is further realized. The cutter assembly comprises a plurality of cutter structures 2, the cutter structures 2 are respectively arranged on the machine tool main body 1, the cutter structures 2 correspond to the clamps 3 one by one, and the cutter structures 2 are used for cutting workpieces on the corresponding clamps 3. Above-mentioned a plurality of cutter structures 2 and a plurality of anchor clamps 3 one-to-one, the cutter structure 2 that conveniently corresponds advances the cutting rather than the work piece on the corresponding anchor clamps 3, can further promote machining efficiency. The upper cutter structures 2 are used for different cutting processes of the same machined workpiece, and after the machined workpiece on the clamp 3 is machined from the last machining position, the rotating disc 4 is rotated, so that the clamp 3 on the rotating disc 4 can move to the next station and enter the next cutting process. This enables the turning disc 4 to complete the cutting process of the workpiece in one direction. After the cutting process procedure of accomplishing a direction, rotate above-mentioned workstation 7, workstation 7 rotates the back and drives the work piece rotation on the anchor clamps 3, makes the work piece rotate the machined surface of another direction to make this machined surface aim at corresponding cutter structure 2, make things convenient for cutter structure 2 to carry out cutting process to this machined surface. Therefore, the position of the processed workpiece can be replaced without loosening the clamp 3, and the processing efficiency can be further improved. The control unit is connected with the clamp 3 and used for controlling the clamp 3 to act, and the control unit realizes automatic control of the clamp 3, so that cutting machining is automated, and machining efficiency can be improved. Therefore, the multi-station numerical control machining center can meet the requirement of the number of machining shafts, guarantee machining capacity and machining quality, increase the number of stations and guarantee machining efficiency.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.