In-machine and out-of-machine automatic feeding numerical control machine tool

Abstract

The utility model belongs to the technical field of machining, disclose a kind of automatic feeding numerical control machine tool inside and outside, including machine tool shell, the processing platform being arranged in it, and tray, transfer platform, processing transfer mechanism and feeding device;Transfer platform is arranged in machine tool shell, with the first positioning structure compatible with the shape of tray;Processing transfer mechanism includes first drive assembly and first grabbing assembly, and first grabbing assembly is used to grab or release workpiece, and first drive assembly is transmission connection with first grabbing assembly, to transfer workpiece between transfer platform and processing platform;Feeding device is arranged outside machine tool shell, including lifting mechanism and feeding mechanism, and lifting mechanism is used to carry and drive tray to move along vertical direction;Feeding mechanism includes second drive assembly and second grabbing assembly, and second grabbing assembly is used to hold tray, and the output end of second drive assembly is transmission connection with second grabbing assembly, to transfer tray between lifting mechanism and transfer platform.

Description

Technical Field

[0001] This utility model relates to the field of mechanical processing technology, and in particular to a CNC machine tool with automatic internal and external feeding. Background Technology

[0002] In the field of machining, especially in production scenarios with certain requirements for machining accuracy and appearance quality, the workpiece clamping and pre-treatment process directly affects production efficiency and workpiece qualification rate. Currently, the industry generally adopts a manual operation process, which mainly includes the following key steps: First, the operator cleans the surface of the fixture to ensure that there are no foreign objects interfering with the fixture's reference surface; then, the impurities on the surface of the workpiece to be processed are cleaned to avoid affecting the workpiece accuracy during subsequent clamping and processing; then, the workpiece is manually clamped onto the fixture, and after initial positioning, the vacuum system is turned on to achieve stable clamping of the workpiece using vacuum suction force; after clamping, the workpiece cover plate is manually closed to provide protection for subsequent processing; finally, the machine is started, and through a second door opening operation, the operator manually confirms that the cover plate is pressed in place, ensuring that the pre-processing preparations meet the requirements.

[0003] However, this traditional manual operation process has significant drawbacks in practical applications, making it difficult to meet the dual demands of efficiency and quality in modern production. On the one hand, due to the short processing cycle of the machines, frequent workpiece clamping operations are required to match the processing rhythm. This necessitates a large number of operators, leading to a substantial increase in labor costs. Furthermore, frequent manual operations can easily reduce work efficiency due to worker fatigue, hindering the overall production line's capacity expansion. On the other hand, during multiple loading operations, workers inevitably come into frequent contact with the workpiece's surface, easily causing scratches, dents, and dents. This results in a significant increase in the workpiece's appearance defect rate, not only increasing rework and scrap costs but also potentially affecting the workpiece's market competitiveness, making it difficult to meet the stringent appearance quality standards of downstream customers.

[0004] Therefore, there is an urgent need to propose a CNC machine tool with automatic internal and external feeding to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to solve or at least alleviate some or all of the aforementioned problems. Therefore, the purpose of this invention is to provide a CNC machine tool with automatic internal and external feeding, thereby achieving integrated automatic feeding both inside and outside the CNC machine tool, reducing labor costs, improving production efficiency, reducing product appearance defects, and ensuring product quality.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] An automatic feeding CNC machine tool with internal and external feeding functions includes a machine tool housing and a machining platform disposed within the machine tool housing. The automatic feeding CNC machine tool further includes:

[0008] A tray is used to hold workpieces.

[0009] The transfer platform is located inside the machine tool housing and has a first positioning structure adapted to the shape of the material tray;

[0010] The processing transfer mechanism includes a first drive component and a first gripping component. The first gripping component is used to grip or release the workpiece. The output end of the first drive component is drively connected to the first gripping component to transfer the workpiece between the transfer platform and the processing platform.

[0011] A feeding device, disposed outside the machine tool housing, includes:

[0012] A lifting mechanism is used to support and drive the material tray to move vertically;

[0013] The feeding mechanism includes a second drive component and a second gripping component. The second gripping component is used to clamp the material tray. The output end of the second drive component is connected to the second gripping component to transfer the material tray between the lifting mechanism and the transfer platform.

[0014] In some alternative embodiments, the feeding device further includes a material rack having a limiting space for stacking a plurality of the trays, the trays being movable vertically within the limiting space.

[0015] In some alternative embodiments, the automatic internal and external feeding CNC machine tool further includes a tray-splitting mechanism, which includes a third gripping component configured to selectively clamp and fix the tray on the lifting mechanism.

[0016] In some optional embodiments, the automatic feeding CNC machine tool further includes a workpiece positioning platform disposed on one side of the processing platform. The workpiece positioning platform is provided with a second positioning structure adapted to the shape of the workpiece. The second positioning structure is configured to enable the workpiece to automatically fall into and be positioned on the workpiece positioning platform. The first driving component is configured to drive the first gripping component to transfer the workpiece between the transfer platform, the workpiece positioning platform and the processing platform.

[0017] In some optional embodiments, the automatic feeding CNC machine tool further includes a cover plate positioning platform disposed on one side of the machining platform. The cover plate positioning platform is provided with a third positioning structure adapted to the shape of the fixture cover plate. The machining transfer mechanism further includes a fourth gripping component for gripping or releasing the fixture cover plate. The output end of the first driving component is connected to the fourth gripping component for transmission to transfer the fixture cover plate between the cover plate positioning platform and the machining platform.

[0018] In some optional embodiments, the fourth gripping component includes a cover plate driver and an electromagnet. The electromagnet is used to attract or release the fixture cover plate. The cover plate driver is disposed at the output end of the first driving component. The output end of the cover plate driver is connected to the electromagnet for driving the electromagnet to move in the vertical direction.

[0019] In some alternative embodiments, the first gripping component includes a vacuum converter and a suction nozzle, the suction nozzle being connected to a vacuum source via the vacuum converter for picking up the workpiece.

[0020] In some optional embodiments, the lifting mechanism includes a support frame, a first lifting drive component, and a threaded screw and nut block. The support frame is used to support the material tray, the screw is arranged in a vertical direction, the nut block is fixedly connected to the support frame, and the output end of the lifting drive component is drivenly connected to the screw to drive the screw to rotate.

[0021] In some optional embodiments, the second drive component includes a horizontal drive component and a lifting drive component. The output end of the lifting drive component is drivenly connected to the second gripping component to drive the second gripping component to move in the vertical direction. The output end of the horizontal drive component is drivenly connected to the lifting drive component to drive the lifting drive component to move closer to or further away from the transfer platform in the horizontal direction.

[0022] In some optional embodiments, the automatic feeding CNC machine tool further includes an air knife assembly disposed above the machining platform for blowing air to clean the workpiece, fixture cover plate, fixture base plate, or machining platform.

[0023] The beneficial effects of this utility model are:

[0024] An automatic internal and external feeding CNC machine tool includes a machine tool housing and a machining platform disposed within the machine tool housing. The automatic internal and external feeding CNC machine tool further includes a material tray, a transfer platform, a machining transfer mechanism, and a feeding device. The material tray carries workpieces. The transfer platform is disposed within the machine tool housing and has a first positioning structure adapted to the shape of the material tray. The machining transfer mechanism includes a first drive component and a first gripping component. The first gripping component grips or releases workpieces, and the output end of the first drive component is drive-connected to the first gripping component to transfer the workpiece between the transfer platform and the machining platform. The feeding device is disposed outside the machine tool housing and includes a lifting mechanism and a feeding mechanism. The lifting mechanism carries and drives the material tray to move vertically. The feeding mechanism includes a second drive component and a second gripping component. The second gripping component clamps the material tray, and the output end of the second drive component is drive-connected to the second gripping component to transfer the material tray between the lifting mechanism and the transfer platform.

[0025] During loading, the operator places multiple stacked trays at the output end of the lifting mechanism. The lifting mechanism drives the trays to descend, the second gripping component picks up the top tray, and the second drive component drives the second gripping component to transfer the tray to the transfer platform. The first gripper picks up the workpiece on the tray, and the first drive component drives the first gripping component to transfer the workpiece to the processing platform so that the machine tool spindle can process the workpiece. When the workpiece is processed, the first gripper picks up the workpiece, and the first drive component drives the first gripping component to transfer the workpiece to the tray on the transfer platform. During unloading, the second gripping component picks up the tray on the transfer platform, and the second drive component drives the second gripping component to transfer the tray outside the machine tool housing.

[0026] The automatic feeding CNC machine tool with internal and external feeding provided in this embodiment allows operators to load multiple material trays at once. Through the feeding device and processing transfer mechanism, the automatic feeding of the CNC machine tool with internal and external feeding is realized, avoiding multiple manual loadings, effectively reducing labor costs and improving production efficiency. It can also avoid workpiece damage caused by unstable manual operation, thereby reducing the product appearance defect rate and ensuring product quality. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of the automatic internal and external feeding CNC machine tool described in this embodiment of the utility model;

[0029] Figure 2 This is a schematic diagram of the internal structure of the automatic feeding CNC machine tool described in this embodiment of the utility model;

[0030] Figure 3 This is a schematic diagram of the processing and transfer mechanism described in an embodiment of the present invention;

[0031] Figure 4 This is a schematic diagram of the structure of the feeding device, transfer platform and processing platform described in the embodiment of this utility model;

[0032] Figure 5 This is a schematic diagram of the feeding device described in an embodiment of the present invention;

[0033] Figure 6 This is a schematic diagram of the structure of the transfer platform and processing platform described in this embodiment of the utility model;

[0034] Figure 7 This is a schematic diagram of the structure of the workpiece described in an embodiment of this utility model.

[0035] In the picture:

[0036] 100. Workpiece; 110. Positioning pin;

[0037] 1. Material tray; 11. Positioning slot;

[0038] 2. Machine tool housing; 21. Loading port;

[0039] 3. Machining platform; 31. Fixture base plate; 32. Locking assembly;

[0040] 4. Transit platform;

[0041] 5. Processing and transfer mechanism; 51. First drive assembly; 52. Suction nozzle; 53. Fourth gripping assembly; 531. Cover plate drive component; 532. Electromagnet;

[0042] 6. Feeding device; 61. Lifting mechanism; 611. Support frame; 612. Lifting drive component; 613. Lead screw; 614. Nut block; 62. Feeding mechanism; 621. Second drive assembly; 6211. Horizontal drive component; 6212. Lifting drive component; 622. Second gripping assembly; 6221. Second gripping drive component; 6222. Second gripper; 63. Material rack;

[0043] 7. Third gripping component; 71. Third gripping drive component; 72. Third gripper;

[0044] 8. Workpiece positioning platform; 81. Receiving groove; 82. First inclined ramp guide structure;

[0045] 9. Cover plate positioning platform; 91. Contouring groove; 92. Second inclined guide structure;

[0046] 10. Air knife assembly. Detailed Implementation

[0047] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar parts or parts having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0048] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0049] In the description of this utility model, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0050] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0051] like Figures 1 to 7As shown, this utility model provides an automatic internal and external feeding CNC machine tool, including a machine tool housing 2 and a machining platform 3 disposed within the machine tool housing 2. The automatic internal and external feeding CNC machine tool also includes a material tray 1, a transfer platform 4, a machining transfer mechanism 5, and a feeding device 6. The material tray 1 is used to carry the workpiece 100. The transfer platform 4 is disposed within the machine tool housing 2 and has a first positioning structure adapted to the shape of the material tray 1. The machining transfer mechanism 5 includes a first driving component 51 and a first gripping component. The first gripping component is used to grip or release the workpiece 100. The output end of the device is connected to the first gripping component to transfer the workpiece 100 between the transfer platform 4 and the processing platform 3. The feeding device 6 is located outside the machine tool housing 2 and includes a lifting mechanism 61 and a feeding mechanism 62. The lifting mechanism 61 is used to carry and drive the material tray 1 to move in the vertical direction. The feeding mechanism 62 includes a second driving component 621 and a second gripping component 622. The second gripping component 622 is used to clamp the material tray 1. The output end of the second driving component 621 is connected to the second gripping component 622 to transfer the material tray 1 between the lifting mechanism 61 and the transfer platform 4.

[0052] During loading, the operator places multiple stacked trays 1 at the output end of the lifting mechanism 61. The lifting mechanism 61 drives the trays 1 to descend, and the second gripping component 622 clamps the top tray 1. The second drive component 621 drives the second gripping component 622 to transfer the tray 1 to the transfer platform 4. The first gripper clamps the workpiece 100 on the tray 1, and the first drive component 51 drives the first gripping component to transfer the workpiece 100 to the processing platform 3 so that the machine tool spindle can process the workpiece 100. When the workpiece 100 is processed, the first gripper clamps the workpiece 100, and the first drive component 51 drives the first gripping component to transfer the workpiece 100 to the tray 1 on the transfer platform 4. During unloading, the second gripping component 622 clamps the tray 1 on the transfer platform 4, and the second drive component 621 drives the second gripping component 622 to transfer the tray 1 outside the machine tool housing 2.

[0053] Using the automatic feeding CNC machine tool provided in this embodiment, the operator can load multiple material trays 1 at a time. The feeding device 6 and the processing transfer mechanism 5 realize the integrated automatic feeding of the CNC machine tool inside and outside the machine, avoiding multiple manual loading, effectively reducing labor costs and improving production efficiency; and avoiding workpiece damage caused by unstable manual operation, thereby reducing the product appearance defect rate and ensuring product quality.

[0054] The feeding device 6 also includes a PLC control system. Both the lifting mechanism 61 and the feeding mechanism 62 are communicatively connected to the PLC control system. The PLC control system is configured to drive the lifting mechanism 61 and the feeding mechanism 62 according to the processing cycle to achieve automatic feeding. The PLC control system is existing technology and will not be described in detail here.

[0055] like Figure 4 and Figure 5 As shown, in some optional embodiments, the lifting mechanism 61 includes a support frame 611, a lifting drive component 612, and a threaded screw 613 and a nut block 614. The support frame 611 is used to support the material tray 1. The screw 613 is arranged in a vertical direction. The nut block 614 is fixedly connected to the support frame 611. The output end of the lifting drive component 612 is connected to the screw 613 to drive the screw 613 to rotate, thereby driving the support frame 611 to lift and lower, so as to drive the material tray 1 to lift and lower.

[0056] The lifting drive component 612 includes, but is not limited to, a drive motor or a pneumatic motor, which is not specified here.

[0057] In some optional embodiments, the second drive assembly 621 includes a horizontal drive member 6211 and a lifting drive member 6212. The output end of the lifting drive member 6212 is driven to the second gripping assembly 622, and is used to drive the second gripping assembly 622 to move vertically. The output end of the horizontal drive member 6211 is driven to the lifting drive member 6212, and is used to drive the lifting drive member 6212 to move horizontally closer to or away from the transfer platform 4. By driving the second gripping assembly 622 to move vertically through the lifting assembly, the material tray 1 can be lifted or placed smoothly and reliably, avoiding collisions between the material tray 1 and adjacent material trays 1, the transfer platform 4, and the lifting mechanism 61, which could cause the workpiece 100 to shift, bump, or even be damaged.

[0058] The horizontal drive component 6211 and the lifting drive component 6212 include, but are not limited to, pneumatic cylinders or hydraulic cylinders, which are not limited here.

[0059] In some optional embodiments, a second gripping assembly 622 is provided on both sides of the material rack 63. The second gripping assembly 622 includes a second gripping drive 6221 and a second gripper 6222. The output end of the second gripping drive 6221 is connected to the second gripper 6222 for driving the second gripper 6222 to extend into or out of the stacked material trays 1 to grip the material trays 1.

[0060] The second gripping drive unit 6221 may include, but is not limited to, a pneumatic cylinder or a hydraulic cylinder, which is not limited here.

[0061] In some optional embodiments, the feeding device 6 further includes a material rack 63 having a limiting space for stacking multiple trays 1, and a lifting mechanism 61 capable of driving the trays 1 to move vertically within the limiting space. The material rack 63 provides limiting and guiding functions for the vertical movement of the trays 1, preventing the trays 1 from falling.

[0062] In some optional embodiments, the automatic feeding CNC machine tool further includes a tray-splitting mechanism, which includes a third gripping component 7 configured to selectively clamp and fix the trays 1 on the lifting mechanism 61. On the one hand, when the feeding mechanism 62 clamps the top tray 1, the third gripping component 7 can clamp and fix the trays 1 below it, preventing multiple trays 1 from being lifted simultaneously due to jamming or adhesion between the trays 1.

[0063] On the other hand, after the workpiece 100 is processed and returned to the tray 1 on the transfer platform 4, the third gripping component 7 can clamp and fix the bottommost unprocessed tray 1 of the material rack 63. Then, the output end of the lifting mechanism 61 descends, and the feeding mechanism 62 transfers the tray 1 on the transfer platform 4 and places it on the output end of the lifting mechanism 61. Finally, the output end of the lifting mechanism 61 rises, so that the unprocessed tray 1 is stacked on the processed tray 1, and the third gripping component 7 releases the unprocessed tray 1 for reloading. By setting up the tray-splitting mechanism, the stacking of the processed tray 1 is realized. When all the workpieces 100 on all the trays 1 have been processed, the lifting mechanism 61 drives the tray 1 to rise so that the workers can take away the tray 1, thereby realizing automatic loading and unloading inside and outside the machine, effectively reducing the labor intensity of the workers.

[0064] In some optional embodiments, a third gripping assembly 7 is provided on both sides of the material rack 63. The third gripping assembly 7 includes a third gripping drive 71 and a third gripper 72. The output end of the third gripping drive 71 is connected to the third gripper 72 for driving the third gripper 72 to extend into or out of the stacked material trays 1 to grip the material trays 1.

[0065] In some optional embodiments, the tray 1 can carry multiple workpieces 100, and multiple workpieces 100 can be processed in one transfer of the tray 1, which further improves the loading and processing efficiency.

[0066] In this embodiment, the material tray 1 can carry three workpieces 100 and can process three workpieces 100 at a time. On the one hand, it ensures the feeding speed, and on the other hand, it ensures that the structural dimensions of the material tray 1 are compatible with the internal space of the machine tool housing 2. This can improve efficiency while avoiding the impact of space limitations on equipment operation, and ultimately achieve a balance between processing efficiency and space adaptability.

[0067] like Figure 6 and Figure 7 As shown, specifically, three fourth positioning structures are arranged side by side on the material tray 1, and multiple positioning posts 110 are protruding from the bottom of the workpiece 100. Each fourth positioning structure is provided with a positioning groove 11 that corresponds one-to-one with the positioning post 110 and is adapted in shape, so that the workpiece 100 is positioned on the material tray 1.

[0068] like Figure 4 and Figure 6 As shown, in some optional embodiments, the automatic feeding CNC machine tool further includes a workpiece positioning platform 8 disposed on one side of the machining platform 3. The workpiece positioning platform 8 is provided with a second positioning structure adapted to the shape of the workpiece 100. The second positioning structure is configured to allow the workpiece 100 to automatically fall into and be positioned on the workpiece positioning platform 8. The first drive component 51 is configured to drive the first gripping component to transfer the workpiece 100 between the transfer platform 4, the workpiece positioning platform 8, and the machining platform 3. During loading, the first drive component 51 drives the first gripping component to transfer the workpiece 100 from the transfer platform 4 to the workpiece positioning platform 8. The first gripping component releases the workpiece 100, which can automatically fall into the workpiece positioning platform 8 under gravity to calibrate the loading start position of the workpiece 100. Then, the first gripping component grips the workpiece 100 again and transfers the workpiece 100 to the machining platform 3. This helps to improve the loading accuracy of the machining transfer mechanism 5, thereby ensuring machining accuracy and improving the product appearance quality.

[0069] The second positioning structure includes a receiving groove 81 and a first ramp guide structure 82 disposed on the top of the receiving groove 81. The receiving groove 81 is used to receive the positioning post 110 at the bottom of the workpiece 100. The positioning post 110 can automatically fall into the receiving groove 81 under the guidance of the first ramp guide structure 82, thereby achieving rapid automatic positioning.

[0070] like Figure 3 As shown, in some optional embodiments, the first gripping component includes a vacuum converter and a suction nozzle 52. The suction nozzle 52 is connected to a vacuum source via the vacuum converter and is used to pick up the workpiece 100. The vacuum converter can precisely adjust the negative pressure of the suction cup to avoid damaging the workpiece 100.

[0071] Optionally, the first drive assembly 51 may include, but is not limited to, a multi-axis articulated robot or a combination of three mutually perpendicular linear motion modules, without limitation herein.

[0072] It should be noted that the automatic feeding CNC machine tool also includes a machining fixture for clamping the workpiece 100. The machining fixture includes a fixture base plate 31, a fixture cover plate, and a locking assembly 32, such as... Figure 6 As shown, the fixture base plate 31 is disposed on the processing platform 3 to support the workpiece 100. The fixture cover plate can be stacked on the fixture base plate 31. The locking assembly 32 is used to press the fixture cover plate onto the fixture base plate 31 to fix the workpiece 100.

[0073] In some optional embodiments, the automatic feeding CNC machine tool also includes a cover plate positioning platform 9 disposed on one side of the machining platform 3. The cover plate positioning platform 9 is provided with a third positioning structure adapted to the shape of the fixture cover plate. The machining transfer mechanism 5 also includes a fourth gripping component 53 for gripping or releasing the fixture cover plate. The output end of the first drive component 51 is connected to the fourth gripping component 53 for transmission to transfer the fixture cover plate between the cover plate positioning platform 9 and the machining platform 3, thereby realizing the automatic clamping of the fixture cover plate, eliminating the manual clamping or disassembly of the fixture cover plate, further improving the automation level of the CNC machine tool, reducing labor intensity, and optimizing the machining process.

[0074] The third positioning structure is a contour groove 91 that is adapted to the shape of the fixture cover plate, and the top of the contour groove 91 is provided with a second inclined guide structure 92. The fixture cover plate can automatically fall into the contour groove 91 under the guidance of the second inclined guide structure 92, thereby achieving rapid automatic positioning.

[0075] Continue as Figure 3 As shown, in some optional embodiments, the fourth gripping assembly 53 includes a cover plate drive 531 and an electromagnet 532. The electromagnet 532 is used to attract or release the fixture cover plate. The cover plate drive 531 is disposed at the output end of the first drive assembly 51, and the output end of the cover plate drive 531 is connected to the electromagnet 532 for driving the electromagnet 532 to move vertically. When it is necessary to pick up the fixture cover plate, the first drive assembly 51 drives the fourth gripping assembly 53 to move above the fixture cover plate. The cover plate drive 531 drives the electromagnet 532 to descend. The electromagnet 532 is energized to generate magnetism to pick up the fixture cover plate. By setting the cover plate drive 531 to independently control the vertical displacement of the electromagnet 532, positional interference between the electromagnet 532 and the suction cup can be avoided, which facilitates the integration of the fourth gripping assembly 53 and the first gripping assembly. This is beneficial to reducing the volume of the processing transfer mechanism 5 and improving the utilization rate of the internal space of the machine tool housing 2.

[0076] Optionally, the cover plate drive 531 may include, but is not limited to, a cylinder or a hydraulic cylinder, which is not limited here.

[0077] like Figure 2 As shown, in some optional embodiments, the automatic feeding CNC machine tool also includes an air knife assembly 10 disposed above the machining platform 3, which is used to blow air to clean the workpiece 100, the fixture cover plate, the fixture base plate 31 or the machining platform 3, so as to clean the surface debris and avoid the debris from causing wear to the workpiece 100 or affecting the machining accuracy and positioning accuracy.

[0078] In some alternative embodiments, the automatic feeding CNC machine tool, both inside and outside the machine, also includes a spring-loaded automatic door, such as... Figure 1As shown, the machine tool housing 2 has a loading port 21 for the feeding mechanism 62 to pass through. A spring-loaded automatic door is configured to either close or open the loading port 21. The automatic door opens automatically when it detects the feeding mechanism 62 approaching and closes automatically when it detects the feeding mechanism 62 moving away. This closes the machine tool housing 2 during CNC machine tool processing, eliminating safety hazards. The spring-loaded automatic door is existing technology and will not be described in detail here.

[0079] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A CNC machine tool with automatic internal and external feeding, comprising a machine tool housing (2) and a machining platform (3) disposed within the machine tool housing (2), characterized in that, The automatic internal and external feeding CNC machine tool also includes: The tray (1) is used to hold the workpiece (100). The transfer platform (4) is located inside the machine tool housing (2) and has a first positioning structure that is adapted to the shape of the material tray (1); The processing transfer mechanism (5) includes a first drive assembly (51) and a first gripping assembly. The first gripping assembly is used to grip or release the workpiece (100). The output end of the first drive assembly (51) is connected to the first gripping assembly to transfer the workpiece (100) between the transfer platform (4) and the processing platform (3). The feeding device (6), disposed outside the machine tool housing (2), includes: A lifting mechanism (61) is used to carry and drive the tray (1) to move vertically; The feeding mechanism (62) includes a second drive assembly (621) and a second gripping assembly (622). The second gripping assembly (622) is used to clamp the tray (1). The output end of the second drive assembly (621) is connected to the second gripping assembly (622) for transmission, so as to transfer the tray (1) between the lifting mechanism (61) and the transfer platform (4).

2. The automatic internal and external feeding CNC machine tool according to claim 1, characterized in that, The feeding device (6) further includes a material rack (63) having a limiting space for stacking multiple trays (1), the trays (1) being able to move vertically within the limiting space.

3. The automatic internal and external feeding CNC machine tool according to claim 1, characterized in that, The automatic feeding CNC machine tool also includes a tray-separating mechanism, which includes a third gripping component (7) configured to selectively clamp and fix the tray (1) on the lifting mechanism (61).

4. The automatic internal and external feeding CNC machine tool according to claim 1, characterized in that, The automatic feeding CNC machine tool also includes a workpiece positioning platform (8) disposed on one side of the processing platform (3). The workpiece positioning platform (8) is provided with a second positioning structure adapted to the shape of the workpiece (100). The second positioning structure is configured to enable the workpiece (100) to automatically fall into and be positioned on the workpiece positioning platform (8). The first drive component (51) is configured to drive the first gripping component to transfer the workpiece (100) between the transfer platform (4), the workpiece positioning platform (8) and the processing platform (3).

5. The automatic internal and external feeding CNC machine tool according to claim 4, characterized in that, The automatic feeding CNC machine tool also includes a cover plate positioning platform (9) located on one side of the processing platform (3). The cover plate positioning platform (9) is provided with a third positioning structure that is adapted to the shape of the fixture cover plate. The processing transfer mechanism (5) also includes a fourth gripping component (53) for gripping or releasing the fixture cover plate. The output end of the first drive component (51) is connected to the fourth gripping component (53) for transmission, so as to transfer the fixture cover plate between the cover plate positioning platform (9) and the processing platform (3).

6. The automatic internal and external feeding CNC machine tool according to claim 5, characterized in that, The fourth gripping component (53) includes a cover plate drive (531) and an electromagnet (532). The electromagnet (532) is used to attract or release the fixture cover plate. The cover plate drive (531) is located at the output end of the first drive component (51). The output end of the cover plate drive (531) is connected to the electromagnet (532) for driving the electromagnet (532) to move in the vertical direction.

7. The automatic internal and external feeding CNC machine tool according to claim 1, characterized in that, The first gripping component includes a vacuum converter and a suction nozzle (52), the suction nozzle (52) being connected to a vacuum source via the vacuum converter for picking up the workpiece (100).

8. The automatic internal and external feeding CNC machine tool according to claim 1, characterized in that, The lifting mechanism (61) includes a support frame (611), a first lifting drive component (612), and a threaded screw (613) and a nut block (614). The support frame (611) is used to support the material tray (1). The screw (613) is arranged in a vertical direction. The nut block (614) is fixedly connected to the support frame (611). The output end of the lifting drive component (612) is connected to the screw (613) to drive the screw (613) to rotate.

9. The automatic internal and external feeding CNC machine tool according to claim 1, characterized in that, The second drive assembly (621) includes a horizontal drive (6211) and a lifting drive (6212). The output end of the lifting drive (6212) is connected to the second gripping assembly (622) for driving the second gripping assembly (622) to move vertically. The output end of the horizontal drive (6211) is connected to the lifting drive (6212) for driving the lifting drive (6212) to move horizontally closer to or further away from the transfer platform (4).

10. The automatic internal and external feeding CNC machine tool according to any one of claims 1 to 9, characterized in that, The automatic feeding CNC machine tool also includes an air knife assembly (10) set above the processing platform (3) for blowing air to clean the workpiece (100), fixture cover plate, fixture base plate (31) or the processing platform (3).

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