Five-axis machining center of numerical control machine tool

Abstract

The utility model discloses a numerical control machine tool five-axis machining center which comprises a machine tool body, a supporting frame is fixedly installed on the upper end face of the machine tool body, a tool magazine installation base is fixedly installed on the inner side of the supporting frame, a tool rest conveying belt is connected to the side edge of the tool magazine installation base in a sliding mode, and a protective isolation cover is fixedly installed at the front end of the supporting frame. An XZ-axis driving frame is installed between the protective isolation cover and the supporting frame, an XY-axis driving frame is installed in the middle of the XZ-axis driving frame, and a workpiece clamping disc is installed at the upper end of the XY-axis driving frame. A transparent sealing plate is arranged in the middle of the front end face of the protective isolation cover, a water mist adsorption box is installed on one side of the transparent sealing plate, and a plurality of fan boxes are fixedly installed on the inner side of the water mist adsorption box. By adjusting the spraying position of cooling liquid in the workpiece machining process, spraying cooling can be fully conducted on the machining face of a workpiece, water mist generated in the spraying process can be effectively extracted and adsorbed, and the situation that the service life of a machine tool structure is affected by the water mist is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tools, in particular to a five-axis machining center for numerically controlled machine tools. Background Technique

[0002] A five-axis machining center is a numerically controlled machine tool with high precision and high efficiency, capable of independent movement of five axes, and is commonly used for machining complex curved surfaces. Based on the three linear axes of X, Y, and Z, a five-axis machining center can achieve machining of workpieces at different angles through rotating axes (usually A-axis and C-axis). The machining center system can complete machining of multiple surfaces in one clamping, significantly improving machining efficiency and accuracy. Five-axis machining centers have a pivotal influence in the fields of aviation, aerospace, military, scientific research, precision instruments, high-precision medical equipment, etc., and are the only means to solve the machining of complex parts.

[0003] During the machining process of existing five-axis machining centers for workpieces, it is not convenient to control the spraying of coolant on the machining surface of the workpiece, and water mist is easily generated during spraying, affecting the service life and cleanliness of the machine tool structure. Therefore, it does not meet the existing requirements, and for this reason, we propose a five-axis machining center for numerically controlled machine tools. Content of the Utility Model

[0004] The purpose of the utility model is to provide a five-axis machining center for numerically controlled machine tools to solve the problems in the above-mentioned background technique that during the machining process of existing five-axis machining centers for workpieces, it is not convenient to control the spraying of coolant on the machining surface of the workpiece, and water mist is easily generated during spraying, affecting the service life and cleanliness of the machine tool structure.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A five-axis machining center for numerically controlled machine tools, including a machine tool main body, a support frame is fixedly installed on the upper end surface of the machine tool main body, a tool magazine mounting seat is fixedly installed inside the support frame, a tool rest conveyor belt is slidably connected to the side of the tool magazine mounting seat, a protective isolation cover is fixedly installed at the front end of the support frame, an XZ-axis drive frame is installed between the protective isolation cover and the support frame, an XY-axis drive frame is installed in the middle of the XZ-axis drive frame, and a workpiece clamping disk is installed at the upper end of the XY-axis drive frame;

[0006] A transparent sealing plate is provided in the middle of the front end surface of the protective isolation cover, a water mist adsorption box is installed on one side of the transparent sealing plate, a plurality of fan boxes are fixedly installed inside the water mist adsorption box, an adjustment motor is fixedly installed inside the bottom end of the protective isolation cover, a spraying frame is slidably connected inside the protective isolation cover, and a plurality of spray heads are provided at both ends of the spraying frame.

[0007] Preferably, a tool three-axis adjustment mechanism is installed on the upper end surface of the support frame. The tool three-axis adjustment mechanism includes an X-axis adjustment module. One end of the X-axis adjustment module is installed with a Y-axis adjustment module. The middle of the Y-axis adjustment module is installed with a Z-axis adjustment module. One side of the Z-axis adjustment module is installed with a tool transmission seat. The bottom end of the tool transmission seat is rotatably connected with a tool mounting seat.

[0008] Preferably, a tool magazine motor is fixedly arranged inside the tool magazine mounting seat. The output end of the tool magazine motor and both ends of the tool holder conveyor belt are connected through transmission rollers. A plurality of tool holders are fixedly arranged on the outer side of the tool holder conveyor belt.

[0009] Preferably, the X-axis adjustment module, the Y-axis adjustment module, and the Z-axis adjustment module all include a guide frame, a drive motor, and a transmission screw. The drive motor is fixedly connected with the guide frame. The output end of the drive motor penetrates through the guide frame and is connected with the transmission screw through a coupling. The tool transmission seat is threadedly connected with the transmission screw in the Z-axis adjustment module. Transmission motors are arranged inside the tool transmission seat, the XZ-axis drive frame, and the XY-axis drive frame. The tool mounting seat is connected with the transmission motor in the tool transmission seat through a coupling.

[0010] Preferably, the transparent sealing plate is connected with the protective isolation cover through a hinge. A sealing strip is arranged between the side edge of the transparent sealing plate and the protective isolation cover.

[0011] Preferably, the output end of the adjustment motor is connected with a lead screw through a coupling. The lead screw is threadedly connected with the middle part of the spraying frame. The spraying frame is slidably connected with the protective isolation cover. Both ends of the spraying frame are threadedly connected with a plurality of spray heads. The inside of the spraying frame is connected with the spray heads in a through manner.

[0012] Preferably, adsorption sponges are filled inside the water mist adsorption box. A fan blade and a fan motor are arranged inside the fan box.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In the present utility model, the X-axis adjustment module, the Y-axis adjustment module, and the Z-axis adjustment module drive the tool mounting seat to perform three-axis adjustment through the tool transmission seat. At the same time, the workpiece clamping disk can drive the workpiece to perform two-axis rotation under the driving and adjustment effects of the XZ-axis drive frame and the XY-axis drive frame, so as to realize the five-axis machining operation of the workpiece. The workpiece can be loaded and unloaded by opening and closing the transparent sealing plate. And it is convenient to carry out shielding isolation during the workpiece machining through the protective isolation cover and the transparent sealing plate, avoiding personal injury caused by the splashing of waste chips and coolant;

[0015] 2. The utility model drives the spraying frame to slide horizontally through a lead screw by means of an adjusting motor, so as to adjust the position of the spray head. During processing, the spraying frame can fully spray the workpiece with coolant through multiple spray heads, improving the processing effect of the workpiece. An adsorption sponge is filled inside the water mist adsorption box. Multiple fan boxes extract the water mist between the protective isolation cover and the support frame to the inside of the water mist adsorption box, and then the adsorption sponge can adsorb and remove the water mist, reducing the impact of the coolant on the machine tool structure and improving the cleanliness during the operation of the machine tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the whole of the utility model;

[0017] Figure 2 is a schematic installation structure diagram of the workpiece clamping disk of the utility model;

[0018] Figure 3 is a schematic installation structure diagram of the tool rest conveyor belt of the utility model;

[0019] Figure 4 is a schematic structural diagram of the protective isolation cover of the utility model;

[0020] Figure 5 is a schematic installation structure diagram of the water mist adsorption box of the utility model.

[0021] In the figure: 1. Machine tool main body; 2. Support frame; 3. Protective isolation cover; 4. Transparent sealing plate; 5. Tool three-axis adjustment mechanism; 6. X-axis adjustment module; 7. Y-axis adjustment module; 8. Z-axis adjustment module; 9. Tool drive seat; 10. Tool mounting seat; 11. XZ-axis drive frame; 12. XY-axis drive frame; 13. Workpiece clamping disk; 14. Tool magazine mounting seat; 15. Tool rest conveyor belt; 16. Spraying frame; 17. Spray head; 18. Adjusting motor; 19. Water mist adsorption box; 20. Fan box. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0023] The adjusting motor 18 (model: GV50-3.7KW-60-S) mentioned in the present utility model can be obtained by purchasing from the market or customizing privately.

[0024] Please refer to Figure 2 and Figure 3, an embodiment provided by the present utility model: a five-axis machining center for a numerically controlled machine tool, comprising a machine tool main body 1. A support frame 2 is fixedly installed on the upper end surface of the machine tool main body 1. A tool magazine mounting seat 14 is fixedly installed inside the support frame 2. A tool rest conveyor belt 15 is slidably connected to the side of the tool magazine mounting seat 14. A tool magazine motor is fixedly provided inside the tool magazine mounting seat 14. The output ends of the tool magazine motor are connected to both ends of the tool rest conveyor belt 15 through transmission rollers. A plurality of tool rests are fixedly provided on the outer side of the tool rest conveyor belt 15, so that the tool rest conveyor belt 15 can rotate in a waist shape on the outer side of the tool magazine mounting seat 14 to load the corresponding tools in the tool rest onto the tool mounting seat 10.

[0025] Please refer to Figure 4 and Figure 5 , in the middle of the front end face of the protective isolation cover 3, there is a transparent sealing plate 4. The transparent sealing plate 4 is connected to the protective isolation cover 3 through a hinge. There is a sealing strip between the side of the transparent sealing plate 4 and the protective isolation cover 3. By opening and closing the transparent sealing plate 4, loading and unloading of workpieces can be carried out, and through the protective isolation cover 3 and the transparent sealing plate 4, it is convenient to carry out shielding isolation during workpiece processing to avoid personal injury caused by the splashing of waste chips and coolant;

[0026] On one side of the transparent sealing plate 4, a water mist adsorption box 19 is installed. A plurality of fan boxes 20 are fixedly installed inside the water mist adsorption box 19. The inside of the water mist adsorption box 19 is filled with adsorption sponges. Inside the fan boxes 20, there are fan blades and fan motors. The water mist between the protective isolation cover 3 and the support frame 2 is extracted by the plurality of fan boxes 20, and the water mist can be adsorbed and removed through the adsorption sponges;

[0027] An adjustment motor 18 is fixedly installed inside the bottom end of the protective isolation cover 3. A spray rack 16 is slidably connected inside the protective isolation cover 3. A plurality of spray heads 17 are provided at both ends of the spray rack 16. The output end of the adjustment motor 18 is connected to a lead screw through a coupling. The lead screw is threadedly connected to the middle of the spray rack 16. The spray rack 16 is slidably connected to the protective isolation cover 3. Both ends of the spray rack 16 are threadedly connected to the plurality of spray heads 17. The inside of the spray rack 16 is connected to the spray heads 17 in a through manner, so that the adjustment motor 18 drives the spray rack 16 to slide horizontally through the lead screw, and thus the position of the spray heads 17 can be adjusted. The spray rack 16 can fully spray coolant on the workpiece through the plurality of spray heads 17.

[0028] Please refer to Figure 1 and Figure 2, a protective isolation cover 3 is fixedly installed at the front end of the support frame 2. An XZ-axis drive frame 11 is installed between the protective isolation cover 3 and the support frame 2. An XY-axis drive frame 12 is installed in the middle of the XZ-axis drive frame 11. A workpiece clamping disk 13 is installed at the upper end of the XY-axis drive frame 12. The workpiece clamping disk 13 can drive the workpiece to rotate in two axes under the driving and adjusting actions of the XZ-axis drive frame 11 and the XY-axis drive frame 12;

[0029] Among them, a tool three-axis adjustment mechanism 5 is installed on the upper end surface of the support frame 2. The tool three-axis adjustment mechanism 5 includes an X-axis adjustment module 6. One end of the X-axis adjustment module 6 is installed with a Y-axis adjustment module 7. A Z-axis adjustment module 8 is installed in the middle of the Y-axis adjustment module 7. A tool transmission seat 9 is installed on one side of the Z-axis adjustment module 8. The bottom end of the tool transmission seat 9 is rotatably connected to a tool mounting seat 10. The X-axis adjustment module 6, the Y-axis adjustment module 7, and the Z-axis adjustment module 8 all include a guide frame, a drive motor, and a transmission screw. The drive motor is fixedly connected to the guide frame. The output end of the drive motor penetrates the guide frame and is connected to the transmission screw through a coupling. The tool transmission seat 9 is threadedly connected to the transmission screw in the Z-axis adjustment module 8. Transmission motors are provided inside the tool transmission seat 9, the XZ-axis drive frame 11, and the XY-axis drive frame 12. The tool mounting seat 10 is connected to the transmission motor in the tool transmission seat 9 through a coupling, so that the X-axis adjustment module 6, the Y-axis adjustment module 7, and the Z-axis adjustment module 8 can drive the tool mounting seat 10 to perform three-axis adjustment through the tool transmission seat 9.

[0030] During use, the workpiece to be processed is placed and clamped through the workpiece clamping disk 13. The power is turned on. There are multiple tool holders outside the tool rest conveyor belt 15. The tool rest conveyor belt 15 rotates in a waist shape outside the tool magazine mounting seat 14 to load the corresponding tool in the tool holder onto the tool mounting seat 10. The tool three-axis adjustment mechanism 5 includes an X-axis adjustment module 6, a Y-axis adjustment module 7, and a Z-axis adjustment module 8, so that the X-axis adjustment module 6, the Y-axis adjustment module 7, and the Z-axis adjustment module 8 can drive the tool mounting seat 10 to perform three-axis adjustment through the tool transmission seat 9. At the same time, the workpiece clamping disk 13 can drive the workpiece to rotate in two axes under the driving and adjusting actions of the XZ-axis drive frame 11 and the XY-axis drive frame 12, thereby realizing the five-axis machining operation of the workpiece;

[0031] By opening and closing the transparent cover plate 4, the workpiece can be loaded and unloaded. And through the protective isolation cover 3 and the transparent cover plate 4, it is convenient to perform shielding isolation during workpiece processing to avoid personal injury caused by the splashing of waste chips and coolant. The adjustment motor 18 is started, so that the adjustment motor 18 drives the spray rack 16 to slide horizontally through the lead screw under the support of the protective isolation cover 3, and then the position of the spray head 17 can be adjusted, so that during processing, the spray rack 16 can fully spray coolant on the workpiece through multiple spray heads 17, improving the processing effect of the workpiece;

[0032] An adsorption sponge is filled inside the water mist adsorption box 19. The water mist between the protective isolation cover 3 and the support frame 2 is extracted to the inside of the water mist adsorption box 19 through a plurality of fan boxes 20. Furthermore, the water mist can be adsorbed and removed by the adsorption sponge, reducing the impact of the coolant on the machine tool structure and improving the cleanliness during the operation of the machine tool.

[0033] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. Five-axis machining center for numerically controlled machine tools, including a machine tool body (1), characterized in that: A support frame (2) is fixedly installed on the upper end surface of the machine tool main body (1). A tool magazine mounting seat (14) is fixedly installed inside the support frame (2). A tool rest conveyor belt (15) is slidably connected to the side of the tool magazine mounting seat (14). A protective isolation cover (3) is fixedly installed at the front end of the support frame (2). An XZ-axis drive frame (11) is installed between the protective isolation cover (3) and the support frame (2). An XY-axis drive frame (12) is installed in the middle of the XZ-axis drive frame (11). A workpiece clamping disk (13) is installed at the upper end of the XY-axis drive frame (12). A transparent sealing plate (4) is provided in the middle of the front end surface of the protective isolation cover (3). A water mist adsorption box (19) is installed on one side of the transparent sealing plate (4). A plurality of fan boxes (20) are fixedly installed inside the water mist adsorption box (19). An adjustment motor (18) is fixedly installed inside the bottom end of the protective isolation cover (3). A spray rack (16) is slidably connected inside the protective isolation cover (3). A plurality of spray heads (17) are provided at both ends of the spray rack (16).

2. The five-axis machining center of a numerically controlled machine tool according to claim 1, wherein: A tool three-axis adjustment mechanism (5) is installed on the upper end surface of the support frame (2). The tool three-axis adjustment mechanism (5) includes an X-axis adjustment module (6). A Y-axis adjustment module (7) is installed at one end of the X-axis adjustment module (6). A Z-axis adjustment module (8) is installed in the middle of the Y-axis adjustment module (7). A tool transmission seat (9) is installed on one side of the Z-axis adjustment module (8). A tool mounting seat (10) is rotatably connected to the bottom end of the tool transmission seat (9).

3. The five-axis machining center of a numerically controlled machine tool according to claim 1, characterized in that: A tool magazine motor is fixedly provided inside the tool magazine mounting seat (14). The output end of the tool magazine motor and both ends of the tool rest conveyor belt (15) are connected through transmission rollers. A plurality of tool rests are fixedly provided on the outer side of the tool rest conveyor belt (15).

4. The five-axis machining center of a numerically controlled machine tool according to claim 2, characterized in that: The X-axis adjustment module (6), the Y-axis adjustment module (7), and the Z-axis adjustment module (8) all include a guide frame, a drive motor, and a transmission screw. The drive motor is fixedly connected to the guide frame. The output end of the drive motor penetrates through the guide frame and is connected to the transmission screw through a coupling. The tool transmission seat (9) is threadedly connected to the transmission screw in the Z-axis adjustment module (8). Transmission motors are provided inside the tool transmission seat (9), the XZ-axis drive frame (11), and the XY-axis drive frame (12). The tool mounting seat (10) is connected to the transmission motor in the tool transmission seat (9) through a coupling.

5. The five-axis machining center of a numerically controlled machine tool according to claim 1, wherein: The transparent sealing plate (4) is connected to the protective isolation cover (3) through a hinge. A sealing strip is provided between the side of the transparent sealing plate (4) and the protective isolation cover (3).

6. The five-axis machining center of a numerically controlled machine tool according to claim 1, characterized in that: The output end of the adjustment motor (18) is connected to a lead screw through a coupling. The lead screw is threadedly connected to the middle of the spray rack (16). The spray rack (16) is slidably connected to the protective isolation cover (3). Both ends of the spray rack (16) are threadedly connected to a plurality of spray heads (17). The inside of the spray rack (16) is connected to the spray heads (17) in a through manner.

7. The five-axis machining center of a numerically controlled machine tool according to claim 1, characterized in that: The inner side of the water mist adsorption box (19) is filled with adsorption sponges, and the inner side of the fan box (20) is provided with fan blades and a fan motor.

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