Metal numerical control planer type milling machine

Abstract

The application provides a metal numerical control planer, which comprises a machine tool support frame, a milling processing assembly connected to the upper side of the machine tool support frame, a scanning module installed at the execution end of the milling processing assembly, a movable workbench movably installed on the upper side of the machine tool support frame, and a chip removal processing module connected to the side surface of the machine tool support frame. The milling processing assembly is used for milling processing of a workpiece. The milling processing assembly, the scanning module and the movable workbench ensure that each workpiece can be aligned with a cutter in the same posture and position. Compared with manual alignment or a common machine tool table finding method, the application effectively avoids uneven processing, overcutting or out-of-position processing caused by positioning deviation, and greatly improves the consistency and stability of batch processing.

Description

Technical Field

[0001] This invention relates to the field of metal processing, and more particularly to CNC gantry milling machines for metal processing. Background Technology

[0002] Titanium alloys, due to their high specific strength and excellent corrosion resistance, are widely used in aerospace, marine engineering, chemical equipment, and medical fields. Octagonal titanium ingots, as an important intermediate product in titanium processing, have surface quality that directly affects subsequent processing and performance. Current surface processing methods for octagonal titanium ingots and other multi-faceted irregularly shaped titanium alloys mainly involve manual hand-held tool grinding and milling on ordinary machine tools.

[0003] Manual grinding involves operators using handheld angle grinders, abrasive wheels, and other tools to manually polish the surface of titanium ingots. The depth and uniformity of the grinding rely heavily on the operator's experience, and the workpiece needs to be flipped multiple times to complete the surface treatment. However, this method is extremely inefficient, as the grinding depth and uniformity depend entirely on the operator's experience, resulting in inconsistent quality. Furthermore, it generates a large amount of titanium-containing dust, which is harmful to workers' health.

[0004] In conventional milling, using a standard milling machine or a simple CNC milling machine, the workpiece is clamped, and the machining datum is determined by using a dial indicator before programming the machining process. However, due to the presence of oxide scale, unevenness, and casting tolerances on the surface of the ingot, a fixed programming path cannot achieve conformal machining, resulting in uneven machining allowances on each surface and easily leading to overcutting or incomplete machining in certain areas. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the defects of manual grinding in the prior art, which relies on experience, is inefficient and causes health hazards due to dust, and ordinary machine tool milling is prone to uneven allowance, overcutting or omission due to unevenness of the ingot surface. The present invention provides a metal CNC gantry milling machine.

[0006] The present invention solves the above-mentioned technical problems through the following technical solution: The present invention provides a metal CNC gantry milling machine, including a machine tool support frame and a scanning module. A milling assembly is connected to the upper side of the machine tool support frame, and the scanning module is installed on the execution end of the milling assembly. A movable worktable is movably mounted on the upper side of the machine tool support frame, and a workpiece is placed on top of the movable worktable. A safety fence is provided on the outside of the mobile workbench, and the bottom of the safety fence is connected to the top of the machine tool support frame; A chip removal module is connected to the side of the machine tool support frame and is used to clean up the chips generated during processing. The milling assembly is used to mill the workpiece, and the scanning module is used to scan and acquire the three-dimensional contour data of the workpiece. A clamping unit is connected to the top of the movable worktable and is used to fix the workpiece being processed.

[0007] In this technical solution, the workpiece is moved and clamped by a movable worktable and a clamping unit to facilitate the milling of the milling components; By using milling components and scanning modules, scanning and machining are performed on the same datum, avoiding secondary clamping errors. All workpieces are machined under the same datum, resulting in extremely high positioning accuracy. The scanning module enables the automation and teaching-free operation of workpieces, eliminating the need for manual programming and frequent alignment. The equipment can operate continuously for 24 hours, and its production efficiency can be increased several times compared to manual operation, significantly improving processing efficiency. Through structures such as scanning modules, machining trajectories can be generated based on the actual blank contour through adaptive path planning, ensuring the uniformity of machining allowance and the stability of cutting parameters across the entire surface, thus significantly improving the surface quality of the product. It reduces reliance on manual labor and operational difficulty, while ensuring stable processing, uniform tool wear, extended tool life, and reduced material and labor costs.

[0008] Preferably, the milling assembly includes a gantry frame connected to the upper side of the machine tool support frame. A multi-directional drive module is mounted on the side of the gantry frame. The execution end of the multi-directional drive module is connected to a spindle component, which is connected to the milling tool.

[0009] In this technical solution, the workpiece is milled using a milling assembly.

[0010] Preferably, the scanning module is connected to the side of the spindle box of the spindle assembly, and the scanning module is electrically connected to the central control system.

[0011] In this technical solution, the scanning module acquires the real three-dimensional contour data of the workpiece to be processed, and processes the scanned data to automatically generate the optimal processing instructions.

[0012] Preferably, the clamping unit includes a support mechanism and a fixing mechanism; The support mechanism includes two sets of symmetrically distributed support modules and adjustment components. Both sets of support modules are slidably connected to the adjustment components. Each set of support modules includes a support frame. Two symmetrically distributed lifting components are arranged above the support frame. Both lifting components are connected to the execution end of the angle control component. The angle control component is connected to the top of the lifting components. The fixing mechanism includes two sets of symmetrically distributed end clamping modules. Each set of end clamping modules includes a fixing ring frame. The outer side of the fixing ring frame is provided with multiple fixing blocks arranged in a circular array. The multiple fixing blocks are all connected to the execution end of the control component. The control component is connected to the inner side of the fixing ring frame. The control component is connected to the output end of the synchronous adjustment component. One side of the synchronous adjustment component is connected to the execution end of the lateral movement component. The lateral movement component and the fixing ring frame are respectively connected to the execution end of the longitudinal movement component.

[0013] In this technical solution, a support mechanism is used to support the workpiece from the bottom, thereby increasing the stability of the workpiece during processing.

[0014] Preferably, the lifting assembly includes a lifting wheel, the center of which is rotatably connected to one end of a rotating bar, and the center of the rotating bar is connected through a fixed shaft surface. The end of the rotating bar away from the lifting wheel is rotatably connected to the surface of the adjusting shaft. Both ends of the adjusting shaft are connected to connecting side plates, and the bottom of the connecting side plates is connected to the top of the moving plate.

[0015] In this technical solution, the workpiece is lifted by the lifting components on both sides.

[0016] Preferably, the movable plate is connected to the execution end of the angle control component, the angle control component includes a bidirectional threaded shaft, one end of which is connected to the output end of the angle power source; The bidirectional threaded shaft surface has two symmetrically distributed moving plates connected by threads.

[0017] In this technical solution, the angle of the two-sided lifting components is adjusted by the angle control component to accommodate workpieces of different diameters.

[0018] Preferably, the adjustment component includes a mobile power source, the bottom of the support frame is connected to the mobile power source, the output end of the mobile power source is connected to a rotating gear, the side of the rotating gear is meshed with the bottom side of the fixed rack, both ends of the fixed rack are connected to support side plates, and the bottom of the support side plates is connected to the top of the movable worktable.

[0019] In this technical solution, the height of the support frame and lifting assembly is adjusted by the adjustment component to accommodate workpieces of different lengths.

[0020] Preferably, the control component includes a plurality of one-way threaded shafts, one end of which is rotatably connected to the inner side of the fixed ring frame, and a control plate is threadedly connected to the surface of the one-way threaded shaft. Multiple connecting strips are connected to one side of the control plate. The surface of the connecting strips is slidably connected to the side of the fixed ring frame. The end of the connecting strip away from the control plate is connected to the fixed pressure block.

[0021] In this technical solution, the position of the fixed pressure block is adjusted synchronously by the control component, which makes it easy to adjust the position of the fixed pressure block according to the diameter of the workpiece being processed, thereby enabling the clamping and fixing of workpieces of different diameters.

[0022] Preferably, the ends of the plurality of unidirectional threaded shafts away from the fixed ring frame are connected to the output end of the synchronous adjustment assembly, the synchronous adjustment assembly including a mounting frame connected to one side of the support column, and a synchronous power source mounted on one side of the mounting frame; The output end of the synchronous power source is connected to a main bevel gear, and the side of the main bevel gear is meshed with multiple secondary bevel gears arranged in a ring array. Each of the multiple secondary bevel gears is connected to one end of multiple unidirectional threaded shafts on one side.

[0023] In this technical solution, multiple control components are controlled by a synchronous adjustment component.

[0024] Preferably, the lateral movement assembly includes a telescopic device and a fixed frame, the telescopic device being connected to one side of the fixed frame, and the actuating end of the telescopic device being connected to the side of the mounting frame away from the synchronous power source; The longitudinal movement component includes a fixed lifting device and a movable lifting device, wherein the actuating end of the fixed lifting device is connected to the bottom of the fixed frame; The actuator of the movable lifting device is connected to the bottom of the reinforcing column, one end of the reinforcing column is connected to the side of the fixed ring frame, the movable lifting device is connected to the top of the sliding plate, the sliding plate is slidably connected to the surface of the guide shaft, and both ends of the guide shaft are connected to reinforcing frames.

[0025] In this technical solution, the height of the transverse moving component and the fixed ring frame, etc., are adjusted by the longitudinal moving component.

[0026] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of the present invention.

[0027] The positive and progressive effects of this invention are as follows: This invention ensures that each workpiece is aligned with the tool in the exact same posture and position through the structure of milling components, scanning module and moving worktable. Compared with manual alignment or ordinary machine tool dial indicator alignment, it effectively avoids the problems of uneven processing, overcutting or under-processing caused by positioning deviation, and greatly improves the consistency and stability of batch processing. By using milling components and scanning modules, scanning and machining are performed on the same datum, avoiding secondary clamping errors. All workpieces are machined under the same datum, resulting in extremely high positioning accuracy. The scanning module enables the automation and teaching-free operation of workpieces, eliminating the need for manual programming and frequent alignment. The equipment can operate continuously for 24 hours, and its production efficiency can be increased several times compared to manual operation, significantly improving processing efficiency. Through structures such as scanning modules, machining trajectories can be generated based on the actual blank contour through adaptive path planning, ensuring the uniformity of machining allowance and the stability of cutting parameters across the entire surface, thus significantly improving the surface quality of the product. It reduces reliance on manual labor and operational difficulty, while ensuring stable processing, uniform tool wear, extended tool life, and reduced material and labor costs.

[0028] In addition, the sliding adjustment of the symmetrically distributed support modules and the adjustment components on both sides can accommodate workpieces of different lengths. The angle control component in each support module can adjust the angle of the two lifting components, so that the lifting components on both sides form a V-shaped structure, thereby stably lifting workpieces of different diameters and significantly improving the versatility of the clamping unit for workpieces of different specifications. Meanwhile, the support mechanism lifts the workpiece in a V-shape from the bottom, with evenly distributed support points, increasing the stability of the workpiece during processing. During the flipping process, the support module continuously provides bottom support to prevent the workpiece from shaking due to gravity or flipping action, ensuring processing accuracy and safety. Furthermore, the fixed ring frame, fixed pressure block and control plate simultaneously contact the end face of the workpiece, with multiple contact points and even distribution, avoiding local stress concentration and reducing the risk of clamping deformation. At the same time, multiple fixed pressure blocks in each clamping module are driven by the same synchronous adjustment component to achieve radial synchronous clamping or loosening, avoiding skewing caused by asynchronous manual adjustment. The clamping module can be moved laterally by the lateral moving component, so that the clamping components on both sides are closely attached to the end face of the workpiece. The structure such as the fixed ring can be raised and lowered as a whole by the longitudinal moving component, so as to adapt to the height change of the end face center of workpieces with different diameters, ensuring that the clamping components are always coaxial with the workpiece and improving the clamping and centering accuracy. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of a metal CNC gantry milling machine according to an embodiment of the present invention.

[0030] Figure 2 for Figure 1 The diagram shows the overall three-dimensional structure of the metal CNC gantry milling machine.

[0031] Figure 3 for Figure 1 The diagram shows a three-dimensional structure of the clamping unit of a metal CNC gantry milling machine.

[0032] Figure 4 for Figure 3 The diagram shows a cross-sectional view of the clamping unit of a metal CNC gantry milling machine.

[0033] Figure 5 for Figure 3 The diagram shows the three-dimensional structure of the support mechanism of the metal CNC gantry milling machine. Figure 1 .

[0034] Figure 6 for Figure 5 The diagram shows the three-dimensional structure of the support mechanism of the metal CNC gantry milling machine. Figure 2 .

[0035] Figure 7 for Figure 5 The diagram shows a three-dimensional sectional view of the support mechanism of a metal CNC gantry milling machine.

[0036] Figure 8 for Figure 5 The diagram shows a three-dimensional structure of the support frame, lifting assembly, and angle control assembly of a metal CNC gantry milling machine.

[0037] Figure 9 for Figure 3 The diagram shows a three-dimensional structure of the fixing mechanism of a metal CNC gantry milling machine.

[0038] Figure 10 for Figure 9 The diagram shows a cross-sectional view of the fixing mechanism of a metal CNC gantry milling machine.

[0039] Figure 11 for Figure 9 The diagram shows an exploded view of the fixed mechanism of a metal CNC gantry milling machine.

[0040] Figure 12 for Figure 9 The diagram shows a three-dimensional structure of the fixed ring frame, fixed pressure block, control component, and synchronous adjustment component of the metal CNC gantry milling machine.

[0041] Explanation of reference numerals in the attached figures 1. Machine tool support frame; 2. Milling assembly; 21. Gantry frame; 22. Multi-directional drive module; 23. Spindle assembly; 24. Milling cutter; 3. Scanning module; 4. Moving worktable; 5. Safety fence; 6. Chip removal module; 7. Workpiece being machined; 8. Support frame; 9. Lifting assembly; 91. Lifting wheel; 92. Rotating bar; 93. Fixed shaft; 94. Fixed side plate; 95. Adjusting shaft; 96. Connecting side plate; 97. Moving plate; 10. Angle control assembly; 101. Bidirectional threaded shaft; 102. Angle power source; 103. Anti-deviation column; 11. Adjustment component; 111. Movable power source; 112. Rotating gear; 113. Fixed rack; 114. Support side plate; 115. Anti-deviation track; 116. Sliding sleeve; 117. Movable roller; 12. Fixing ring frame; 13. Fix the pressure block; 14. Control component; 141. One-way threaded shaft; 142. Control plate; 143. Connecting bar; 144. Central housing; 145. Support column; 15. Synchronization adjustment assembly; 151. Mounting bracket; 152. Synchronization power source; 153. Main bevel gear; 154. Secondary bevel gear; 16. Lateral movement assembly; 161. Telescopic device; 162. Fixture; 17. Longitudinal moving component; 171. Fixed lifting device; 172. Moving lifting device; 173. Reinforcing column; 174. Sliding plate; 175. Guide shaft; 176. Reinforcing frame. Detailed Implementation

[0042] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0043] Figures 1 to 12 The diagram shown is a structural schematic of an embodiment of the metal CNC gantry milling machine of the present invention.

[0044] A metal CNC gantry milling machine includes a machine tool support frame 1 and a scanning module 3. A milling assembly 2 is connected to the upper side of the machine tool support frame 1, and the scanning module 3 is installed at the execution end of the milling assembly 2. The movable worktable 4 is movably installed on the upper side of the machine tool support frame 1, and the workpiece 7 is placed on the upper side of the movable worktable 4. The movable worktable 4 can use linear drive mechanisms such as gear racks, ball screws, and hydraulic cylinders to achieve linear movement.

[0045] Safety fence 5: A safety fence 5 is installed on the outside of the mobile workbench 4. The bottom of the safety fence 5 is connected to the top of the machine tool support frame 1. Chip removal module 6 is connected to the side of machine tool support frame 1 and is used to clean up the chips generated during processing. Chip removal module 6 is a spiral chip conveyor that automatically discharges metal chips, such as titanium alloy chips, generated during processing outside the equipment. In response to the flammability and sharp edges of metal shavings such as titanium alloys, the chip removal module 6 is equipped with an explosion-proof chip removal system and chip collection device to prevent the risk of fire caused by titanium shavings.

[0046] The milling assembly 2 is used to mill the workpiece 7, and the scanning module 3 is used to scan and acquire the three-dimensional contour data of the workpiece 7. The workpiece 7 is a multi-faceted prism metal casting, such as a multi-faceted prism titanium alloy casting. The multi-faceted part can be hexagonal, octagonal, etc.

[0047] The clamping unit is connected to the top of the movable worktable 4 and is used to fix the workpiece 7 to be processed.

[0048] In this technical solution, the workpiece 7 is moved and clamped by the movable worktable 4 and the clamping unit to facilitate the milling of the milling assembly 2; By using milling component 2 and scanning module 3, scanning and processing are carried out on the same datum, avoiding secondary clamping errors. All workpieces are processed under the same datum, resulting in extremely high positioning accuracy. The scanning module 3 enables the automation and teaching-free operation of the workpiece, eliminating the need for manual programming and frequent alignment. The equipment can operate continuously for 24 hours, and its production efficiency can be increased several times compared to manual operation, significantly improving processing efficiency. Through the scanning module 3 and other structures, the machining trajectory can be generated according to the actual blank contour through adaptive path planning, which ensures the uniformity of the machining allowance and the stability of the cutting parameters on the entire surface, and significantly improves the surface quality of the product. It reduces reliance on manual labor and operational difficulty, while ensuring stable processing, uniform tool wear, extended tool life, and reduced material and labor costs.

[0049] The milling assembly 2 includes a gantry 21, which is connected to the upper side of the machine tool support frame 1. A multi-directional drive module 22 is installed on the side of the gantry 21. The execution end of the multi-directional drive module 22 is connected to a spindle component 23, which is connected to the milling cutter 24.

[0050] In this technical solution, the workpiece 7 is milled by the milling assembly 2.

[0051] In use, the position of the spindle component 23 in the horizontal and vertical directions is adjusted by the multi-directional drive module 22, thereby driving the milling cutter 24 to move in the same direction, and the milling cutter 24 is used to perform milling on the workpiece 7.

[0052] The scanning module 3 is connected to the side of the spindle box of the spindle component 23, and the scanning module 3 is electrically connected to the central control system.

[0053] In this technical solution, the scanning module 3 acquires the real three-dimensional contour data of the workpiece 7, processes the scanned data, and automatically generates the optimal processing instructions.

[0054] To address the characteristics of oxide scale and uneven roughness on the surface of titanium alloy castings, scanning module 3 uses a 405nm blue laser to effectively reduce reflection interference and improve the signal-to-noise ratio of point clouds.

[0055] The scanning module 3 has strong anti-interference capabilities. It diffuses the laser into a line laser through a cylindrical objective lens and projects it onto the surface of the target object to form diffuse reflection, thereby creating a clear image on the light receiving component and generating a stable, high-precision contour point cloud.

[0056] When in use, the scanning module 3 runs with the spindle component 23 to collect the contour of the workpiece in all directions before processing, providing raw data for subsequent software to identify geometric features such as edges and planes of the casting.

[0057] The central control system receives the actual workpiece model data from the scanning module 3, compares it with the design model, and automatically identifies the casting edges and planar features through plane fitting, edge detection and other technologies, and automatically calculates the optimal machining allowance distribution.

[0058] The design model is a pre-imported CAD model.

[0059] The central control system automatically generates processing paths that cover all features through technologies such as plane fitting and edge detection.

[0060] The central control system automatically adjusts the processing program based on the online inspection results after processing, realizing closed-loop control of "scanning-processing-inspection-correction" without manual intervention.

[0061] In use, this application uses laser scanning of scanning module 3, combined with adaptive path planning algorithm and adaptive scanning algorithm, to accurately present the processing position and features of the workpiece to milling component 2, thereby realizing the automation and teaching-free processing of castings and shortening programming time.

[0062] The clamping unit includes a support mechanism and a fixing mechanism; The support mechanism includes two sets of symmetrically distributed support modules and an adjustment component 11. Both sets of support modules are slidably connected to the adjustment component 11. Each set of support modules includes a support frame 8. Two symmetrically distributed lifting components 9 are arranged above the support frame 8. Both lifting components 9 are connected to the execution end of the angle control component 10. The angle control component 10 is connected to the top of the lifting component 9. The fixing mechanism includes two sets of symmetrically distributed end clamping modules. Each set of end clamping modules includes a fixing ring frame 12. Multiple fixing blocks 13 arranged in a ring array are provided on the outer side of the fixing ring frame 12. The multiple fixing blocks 13 are all connected to the execution end of the control component 14. The control component 14 is connected to the inner side of the fixing ring frame 12. The control component 14 is connected to the output end of the synchronous adjustment component 15. One side of the synchronous adjustment component 15 is connected to the execution end of the lateral movement component 16. The lateral movement component 16 and the fixing ring frame 12 are respectively connected to the execution end of the longitudinal movement component 17.

[0063] In this technical solution, the workpiece 7 is supported from the bottom by a support mechanism to increase the stability of the workpiece 7 during processing, and the workpiece 7 is clamped and fixed from both ends by a fixing mechanism. Furthermore, the position of the angle control component 10 can be adjusted by the positioning component 11, so that the lifting components 9 on both sides can support the workpieces 7 of different lengths. At the same time, the angle control component 10 can adjust the angle of the two lifting components 9 in each group, so that the lifting components 9 can support the workpieces 7 of different diameters, thereby improving the applicability of the clamping unit.

[0064] The lifting assembly 9 includes a lifting wheel 91, the center of which is rotatably connected to one end of a rotating bar 92, the center of which is connected through the surface of a fixed shaft 93, and both ends of the fixed shaft 93 are connected to fixed side plates 94, the bottom of which is connected to the top of the support frame 8. The end of the rotating bar 92 away from the lifting wheel 91 is rotatably connected to the surface of the adjusting shaft 95. Both ends of the adjusting shaft 95 are connected to the connecting side plates 96, and the bottom of the connecting side plates 96 is connected to the top of the moving plate 97.

[0065] In this technical solution, the workpiece 7 is lifted by the lifting components 9 on both sides.

[0066] The movable plate 97 is connected to the execution end of the angle control component 10. The angle control component 10 includes a bidirectional threaded shaft 101. Both ends of the bidirectional threaded shaft 101 are rotatably connected to the two sides of the support frame 8. One end of the bidirectional threaded shaft 101 is connected to the output end of the angle power source 102. The angle power source 102 is connected to the side of the support frame 8. The surface thread of the bidirectional threaded shaft 101 has two symmetrically distributed movable plates 97.

[0067] In this technical solution, the angle of the two-sided lifting components 9 is adjusted by the angle control component 10 to accommodate workpieces 7 of different diameters.

[0068] Multiple anti-deviation columns 103 are connected to the inner side of the support frame 8, and the surface of the anti-deviation column 103 is slidably connected to the movable plate 97.

[0069] When in use, the lifting components 9 on both sides are arranged in a V-shape, so that the workpiece 7 can be supported by the lifting components 9 on both sides. That is, when in use, the workpiece 7 is supported by the lifting wheels 91 on both sides.

[0070] When the diameter of the workpiece 7 is different, the angle power source 102 drives the bidirectional threaded shaft 101 to rotate. When the bidirectional threaded shaft 101 rotates, it drives the moving plates 97 on both sides to move towards or away from each other along the anti-deviation column 103. When the movable plate 97 moves, the rotating bar 92 rotates under the action of the adjusting shaft 95, the fixed shaft 93 and other structures, thereby adjusting the angle between the rotating bar 92 and the lifting wheel 91, so as to adapt to different types of workpieces 7.

[0071] The adjustment component 11 includes a mobile power source 111. The bottom of the support frame 8 is connected to the mobile power source 111. The output end of the mobile power source 111 is connected to a rotating gear 112. The side of the rotating gear 112 is meshed with the bottom side of the fixed rack 113. Both ends of the fixed rack 113 are connected to support side plates 114. The bottom of the support side plates 114 is connected to the top of the movable worktable 4.

[0072] In this technical solution, the horizontal position of the support frame 8 and the lifting assembly 9 is adjusted by the adjustment component 11 to accommodate workpieces 7 of different lengths.

[0073] The top of the movable workbench 4 is connected to multiple anti-deviation rails 115. The surface of the anti-deviation rails 115 is slidably connected to the inner wall of the sliding sleeve 116. The top of the sliding sleeve 116 is connected to the bottom of the support frame 8.

[0074] The bottom of the support frame 8 is connected to multiple movable rollers 117, and the bottom surface of the movable rollers 117 contacts the top of the movable worktable 4.

[0075] In use, the rotating gear 112 is driven to rotate by the mobile power source 111 according to the length of the workpiece 7. At this time, under the action of the fixed rack 113, the rotating gear 112 and the mobile power source 111 move along the fixed rack 113, thereby driving the support frame 8 and the lifting assembly 9 to move in the same direction, and moving the position of the lifting assembly 9 and other structures to adjust the workpiece 7 of different lengths.

[0076] The control assembly 14 includes multiple one-way threaded shafts 141. One end of the one-way threaded shaft 141 is rotatably connected to the inner side of the fixed ring frame 12, and a control plate 142 is threadedly connected to the surface of the one-way threaded shaft 141. Multiple connecting strips 143 are connected to one side of the control plate 142. The surface of the connecting strip 143 is slidably connected to the side of the fixed ring frame 12. The end of the connecting strip 143 away from the control plate 142 is connected to the fixed pressure block 13.

[0077] In this technical solution, the position of the fixed pressure block 13 is adjusted synchronously by the control component 14, so that the position of the fixed pressure block 13 can be adjusted according to the diameter of the workpiece 7, thereby clamping and fixing workpieces 7 of different diameters.

[0078] Multiple unidirectional threaded shafts 141 are arranged in a ring array.

[0079] A central housing 144 is provided on the inner side of the fixed ring frame 12. Multiple support columns 145 are connected between the inner wall of the fixed ring frame 12 and the outer side of the central housing 144. The surface of the support columns 145 is slidably connected to the control plate 142.

[0080] In use, the synchronous adjustment component 15 drives multiple one-way threaded shafts 141 to rotate. When the one-way threaded shafts 141 rotate, they drive the control plate 142 to move along the support column 145, thereby driving the connecting bar 143 to move in the same direction, and then driving the fixed pressure block 13 to move in the same direction, thus adjusting the position of the multiple fixed pressure blocks 13.

[0081] During clamping, one side of the fixed ring frame 12, one side of the fixed pressure block 13, and one side of the control plate 142 all contact the end face of the workpiece 7. The contact points are numerous and evenly distributed, making the clamping of the workpiece 7 more stable.

[0082] Multiple one-way threaded shafts 141 are connected at one end away from the fixed ring frame 12 to the output end of the synchronous adjustment assembly 15. The synchronous adjustment assembly 15 includes a mounting frame 151, which is connected to one side of the support column 145. A synchronous power source 152 is installed on one side of the mounting frame 151. The output end of the synchronous power source 152 is connected to a main bevel gear 153. The main bevel gear 153 is meshed with multiple secondary bevel gears 154 arranged in a ring array on its side. Each of the multiple secondary bevel gears 154 is connected to one end of a multiple unidirectional threaded shaft 141 on one side.

[0083] In this technical solution, multiple control components 14 are controlled by a synchronous adjustment component 15.

[0084] Both the main bevel gear 153 and the secondary bevel gear 154 are located in the inner cavity of the central housing 144; The surface of the one-way threaded shaft 141 is rotatably connected to the side of the central housing 144.

[0085] In use, the synchronous power source 152 drives the main bevel gear 153 to rotate, which in turn drives multiple secondary bevel gears 154 to rotate, which in turn drives the corresponding one-way threaded shafts 141 to rotate, so that multiple one-way threaded shafts 141 can run synchronously.

[0086] The lateral movement assembly 16 includes a telescopic device 161 and a fixed frame 162. The telescopic device 161 is connected to one side of the fixed frame 162, and the actuating end of the telescopic device 161 is connected to the side of the mounting frame 151 away from the synchronous power source 152. The longitudinal movement assembly 17 includes a fixed lifting device 171 and a movable lifting device 172. The fixed lifting device 171 is connected to the top of the movable worktable 4, and the execution end of the fixed lifting device 171 is connected to the bottom of the fixed frame 162. The actuator of the movable lifting device 172 is connected to the bottom of the reinforcing column 173. One end of the reinforcing column 173 is connected to the side of the fixed ring frame 12. The movable lifting device 172 is connected to the top of the sliding plate 174. The sliding plate 174 is slidably connected to the surface of the guide shaft 175. Both ends of the guide shaft 175 are connected to the reinforcing frame 176. The bottom of the reinforcing frame 176 is connected to the top of the movable worktable 4.

[0087] In this technical solution, the height of the transverse moving component 16 and the fixed ring frame 12 is adjusted by the longitudinal moving component 17.

[0088] Two reinforcing columns 173 arranged in a ring array are connected to the outer side of the fixed ring frame 12.

[0089] In use, based on the length of the workpiece 7, the telescopic device 161 drives the synchronous adjustment component 15, the control component 14, and the fixed ring frame 12 to move, so that the fixed ring frame 12, the fixed pressure block 13, and other structures are in close contact with the end face of the workpiece 7, and the fixed ring frame 12 and the fixed pressure block 13 on both sides clamp and fix the workpiece 7 from both ends.

[0090] When the fixed ring frame 12 moves, it drives the reinforcing column 173 and the moving lifting device 172 to move in the same direction, which in turn drives the sliding plate 174 to move in the same direction along the guide shaft 175, thus limiting the movement trajectory of the fixed ring frame 12.

[0091] Meanwhile, depending on the different diameters of the workpiece 7, which result in different heights of the end face center position, the fixed lifting device 171 and the movable lifting device 172 are used to drive the corresponding fixed frame 162, reinforcing column 173 and other structures to move up or down, thereby driving the fixed ring frame 12 and other structures to move in the same direction, so that the fixed ring frame 12 and fixed pressure block 13 and other structures can clamp and fix the workpiece 7 with different diameters.

[0092] In addition, the movable worktable 4 is also equipped with an automatic flipping mechanism, which is used to automatically flip the workpiece after completing the single-sided machining of the workpiece, so as to realize multi-sided continuous machining. When flipping, the fixed ring frame 12 and the fixed pressure block 13 and other structures are away from the end face of the workpiece 7. The flipping mechanism clamps the surface of the workpiece 7 and flips the workpiece 7. After the flipping is completed, the fixed ring frame 12 and the fixed pressure block 13 and other structures clamp the workpiece 7 from both ends again. During the flipping process, the workpiece 7 is made more stable by the support of the lifting components 9 and other structures.

[0093] After the workpiece 7 is processed on one side, the clamping module can automatically release and make way, and the surface of the workpiece 7 can be flipped by the automatic flipping mechanism. During the flipping process, the bottom support module always provides support to prevent the workpiece 7 from slipping or deviating. After the flipping is completed, the clamping module clamps again from both ends, eliminating the need for manual re-clamping and greatly improving the efficiency of automated processing.

[0094] The angle power source 102, the mobile power source 111, and the synchronous power source 152 are motor sets or other devices that can output rotational kinetic energy.

[0095] Telescopic device 161, fixed lifting device 171, and mobile lifting device 172 are electric push rods, lifting cylinders, hydraulic lifting cylinders, or other devices that can extend or retract independently.

[0096] While specific embodiments of the present invention have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but all such changes and modifications fall within the scope of protection of the present invention.

Claims

1. A metal CNC gantry milling machine, characterized in that: It includes a machine tool support frame (1) and a scanning module (3). The upper side of the machine tool support frame (1) is connected to a milling assembly (2), and the scanning module (3) is installed on the execution end of the milling assembly (2). A mobile worktable (4) is movably installed on the upper side of the machine tool support frame (1), and a workpiece (7) is placed on the upper side of the mobile worktable (4). Safety fence (5), a safety fence (5) is provided on the outside of the mobile workbench (4), and the bottom of the safety fence (5) is connected to the top of the machine tool support frame (1); Chip removal module (6), the chip removal module (6) is connected to the side of the machine tool support frame (1), the chip removal module (6) is used to clean up the chips generated during processing; The milling assembly (2) is used to mill the workpiece (7), and the scanning module (3) is used to scan and acquire the three-dimensional contour data of the workpiece (7). A clamping unit is connected to the top of the movable worktable (4) and is used to fix the workpiece (7) being processed.

2. The metal CNC gantry milling machine as described in claim 1, characterized in that: The milling assembly (2) includes a gantry (21) connected to the upper side of the machine tool support frame (1). A multi-directional drive module (22) is installed on the side of the gantry (21). The execution end of the multi-directional drive module (22) is connected to a spindle component (23). The spindle component (23) is connected to the milling tool (24).

3. The metal CNC gantry milling machine as described in claim 1, characterized in that: The scanning module (3) is connected to the side of the spindle box of the spindle component (23), and the scanning module (3) is electrically connected to the central control system.

4. The metal CNC gantry milling machine as described in claim 1, characterized in that: The clamping unit includes a support mechanism and a fixing mechanism; The support mechanism includes two sets of symmetrically distributed support modules and adjustment components (11). Both sets of support modules are slidably connected to the adjustment components (11). Each set of support modules includes a support frame (8). Two symmetrically distributed lifting components (9) are arranged above the support frame (8). Both lifting components (9) are connected to the execution end of the angle control component (10). The angle control component (10) is connected to the top of the lifting components (9). The fixing mechanism includes two sets of symmetrically distributed end clamping modules. Each set of end clamping modules includes a fixing ring frame (12). The outer side of the fixing ring frame (12) is provided with multiple fixing blocks (13) arranged in a ring array. The multiple fixing blocks (13) are all connected to the execution end of the control component (14). The control component (14) is connected to the inner side of the fixing ring frame (12). The control component (14) is connected to the output end of the synchronous adjustment component (15). One side of the synchronous adjustment component (15) is connected to the execution end of the lateral movement component (16). The lateral movement component (16) and the fixing ring frame (12) are respectively connected to the execution end of the longitudinal movement component (17).

5. The metal CNC gantry milling machine as described in claim 4, characterized in that: The lifting assembly (9) includes a lifting wheel (91), the center of which is rotatably connected to one end of a rotating bar (92), and the center of the rotating bar (92) is connected through the surface of a fixed shaft (93). The end of the rotating bar (92) away from the lifting wheel (91) is rotatably connected to the surface of the adjusting shaft (95). Both ends of the adjusting shaft (95) are connected to connecting side plates (96), and the bottom of the connecting side plates (96) is connected to the top of the moving plate (97).

6. The metal CNC gantry milling machine as described in claim 5, characterized in that: The movable plate (97) is connected to the execution end of the angle control component (10), the angle control component (10) includes a bidirectional threaded shaft (101), one end of the bidirectional threaded shaft (101) is connected to the output end of the angle power source (102); The bidirectional threaded shaft (101) has two symmetrically distributed moving plates (97) connected to its surface by threads.

7. The metal CNC gantry milling machine as described in claim 4, characterized in that: The adjustment component (11) includes a mobile power source (111). The bottom of the support frame (8) is connected to the mobile power source (111). The output end of the mobile power source (111) is connected to a rotating gear (112). The side of the rotating gear (112) is meshed with the bottom side of the fixed rack (113). Both ends of the fixed rack (113) are connected to support side plates (114). The bottom of the support side plates (114) is connected to the top of the mobile worktable (4).

8. The metal CNC gantry milling machine as described in claim 4, characterized in that: The control component (14) includes a plurality of one-way threaded shafts (141), one end of which is rotatably connected to the inner side of the fixed ring frame (12), and a control plate (142) is threadedly connected to the surface of the one-way threaded shaft (141). The control plate (142) is connected to a plurality of connecting strips (143) on one side. The surface of the connecting strips (143) is slidably connected to the side of the fixed ring frame (12). The end of the connecting strip (143) away from the control plate (142) is connected to the fixed pressure block (13).

9. The metal CNC gantry milling machine as described in claim 8, characterized in that: One end of each of the unidirectional threaded shafts (141) away from the fixed ring frame (12) is connected to the output end of the synchronous adjustment assembly (15), which includes a mounting frame (151) connected to one side of the support column (145) and a synchronous power source (152) mounted on one side of the mounting frame (151). The output end of the synchronous power source (152) is connected to a main bevel gear (153), and the side of the main bevel gear (153) is meshed with multiple secondary bevel gears (154) arranged in a ring array. Each of the multiple secondary bevel gears (154) is connected to one end of a multiple unidirectional threaded shaft (141) on one side.

10. The metal CNC gantry milling machine as described in claim 4, characterized in that: The lateral movement assembly (16) includes a telescopic device (161) and a fixed frame (162). The telescopic device (161) is connected to one side of the fixed frame (162), and the actuating end of the telescopic device (161) is connected to the side of the mounting frame (151) away from the synchronous power source (152). The longitudinal moving component (17) includes a fixed lifting device (171) and a moving lifting device (172), wherein the actuating end of the fixed lifting device (171) is connected to the bottom of the fixed frame (162); The actuator of the movable lifting device (172) is connected to the bottom of the reinforcing column (173), one end of the reinforcing column (173) is connected to the side of the fixed ring frame (12), the movable lifting device (172) is connected to the top of the sliding plate (174), the sliding plate (174) is slidably connected to the surface of the guide shaft (175), and both ends of the guide shaft (175) are connected to reinforcing frames (176).

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