An adaptive precision sheet metal blanking and bending combined device

Abstract

The application provides a self-adaptive precision sheet metal blanking and bending composite device, which comprises a whole machine frame unit, a self-adaptive feeding unit, a precision blanking mechanism, a multi-station bending machine, a numerical control unit, an operation panel, a power distribution unit and a processed part; the self-adaptive feeding unit is installed on the surface of the whole machine frame unit; the precision blanking mechanism is installed on the surface of the whole machine frame unit; the multi-station bending machine is installed on the surface of the whole machine frame unit; and the numerical control unit is installed on one side inside the whole machine frame unit. The self-adaptive precision sheet metal blanking and bending composite device provided by the application integrates the blanking and bending processes in the same device, eliminates the positioning error accumulation of multi-process clamping, automatically adjusts the blanking gap, the bending angle, the pressure maintaining time and other process parameters according to the plate material and thickness through the numerical control unit, realizes the self-adaptive parameter adjustment for different materials and different thickness plates, and solves the rebound control problem.

Description

Technical Field

[0001] This invention relates to the field of precision sheet metal processing, and more particularly to an adaptive precision sheet metal punching and bending composite device. Background Technology

[0002] In the field of precision sheet metal processing, traditional processes generally adopt a split processing scheme of "punching + bending": first, the blanking and punching of parts are completed by the punching equipment, and then the semi-finished products are transferred to the bending equipment for multi-process bending and forming.

[0003] The process has the following core defects: (1) Dispersed processes and low efficiency: Parts need to be transferred between multiple machines, requiring a lot of manual intervention and a long production cycle, making it difficult to meet the automated production needs of large batches and high-precision parts; (2) Accumulated positioning errors: The punching and bending processes use different positioning benchmarks, and multiple clamping leads to the accumulation of positioning errors, resulting in poor consistency of part dimensions and difficulty in ensuring bending angle and position accuracy; (3) Difficulty in controlling springback: Thin sheet materials with high elastic modulus, such as stainless steel, are prone to elastic springback after bending. Traditional split-type equipment lacks a targeted compensation mechanism, requiring multiple adjustments and corrections, resulting in a low yield rate; (4) Insufficient flexibility: Different specifications of parts require the replacement of the entire set of molds, resulting in long changeover times and an inability to adapt to the flexible production needs of multiple varieties and small batches. Although there are some composite processing equipment in the existing technology, most of them are simple workstation integrations, failing to achieve adaptive collaborative control of punching and bending processes, unable to adaptively adjust parameters for thin sheets of different materials and thicknesses, and lacking rigid support and precision compensation for the entire process of parts, making it difficult to meet the processing requirements of high-end precision sheet metal parts.

[0004] Therefore, it is necessary to provide an adaptive precision sheet metal punching and bending composite device to solve the above-mentioned technical problems. Summary of the Invention

[0005] This invention provides an adaptive precision sheet metal punching and bending composite device, which solves the problems of dispersed processes, accumulated positioning errors, difficulty in controlling springback, and insufficient flexibility in traditional split sheet metal processing.

[0006] To solve the above-mentioned technical problems, the present invention provides an adaptive precision sheet metal punching and bending composite device, comprising:

[0007] The machine frame unit, adaptive feeding unit, precision punching mechanism, multi-station bending machine, CNC control unit, operation panel, power distribution unit and workpiece;

[0008] The adaptive feeding unit is mounted on the surface of the machine frame unit;

[0009] The precision punching mechanism is mounted on the surface of the machine frame unit and located on one side of the adaptive feeding unit;

[0010] The multi-station bending machine is mounted on the surface of the machine frame unit and located on one side of the precision punching mechanism;

[0011] The numerical control control unit is installed on one side inside the machine frame unit;

[0012] The operation panel is mounted on one side of the surface of the machine frame unit;

[0013] The power distribution unit is installed on the other side inside the whole machine frame unit;

[0014] The workpiece is positioned between the adaptive feeding unit, the precision punching mechanism, and the multi-station bending machine.

[0015] Preferably, the precision blanking mechanism includes a side-pressure positioning cylinder, a drive-pressing positioning block, a reference surface of the equipment frame, a main blanking drive cylinder, a blanking execution module, a feeding guide positioning unit, a servo drive motor, and a stroke limit component. The side-pressure positioning cylinder is installed on one side of the bottom of the reference surface of the equipment frame, and the drive-pressing positioning block is installed on the bottom of the reference surface of the equipment frame and is located on one side of the side-pressure positioning cylinder.

[0016] Preferably, the main blanking drive cylinder is installed on one side of the reference surface of the equipment frame, the blanking execution module is installed on the surface of the reference surface of the equipment frame and located on one side of the main blanking drive cylinder, and the feeding guide positioning unit is installed on the surface of the reference surface of the equipment frame and located on one side of the blanking execution module.

[0017] Preferably, the servo drive motor is mounted on one side of the main punching drive cylinder, and the stroke limit component is mounted on one side of the main punching drive cylinder.

[0018] Preferably, the multi-station bending machine includes a guide shaft assembly, a bearing support assembly, a mounting base, a feeding drive assembly, multiple adaptive ultra-thin bending modules, multiple bending mechanism frames, multiple servo drive motor assemblies, multiple hydraulic cylinders, a clamping module, and a reference surface of the bending mechanism frames. The guide shaft assembly is mounted on the surface of the mounting base, the bearing support assembly is mounted on the side of the mounting base, and the feeding drive assembly is mounted on one side of the surface of the mounting base.

[0019] Preferably, multiple adaptive ultra-thin bending modules are mounted on the surface of the mounting base, multiple bending mechanism frames are respectively disposed on the sides of the mounting base and the adaptive ultra-thin bending modules, and multiple servo drive motor assemblies are respectively mounted on the bearing support assembly, the adaptive ultra-thin bending module and the guide shaft assembly.

[0020] Preferably, the plurality of hydraulic cylinders are respectively mounted on the top of the plurality of bending mechanism frames, the clamping module is mounted on the surface of the mounting base and located on one side of the adaptive ultra-thin bending module, and the reference surface of the bending mechanism frame is mounted on the surface of the mounting base.

[0021] Preferably, a support assembly is provided at one end of the machine frame unit. The support assembly includes a U-shaped mounting frame, multiple rotating rollers, and two support frames. The U-shaped mounting frame is mounted on the side of the machine frame unit via the two support frames.

[0022] Preferably, the plurality of the rotating rollers are respectively mounted on the U-shaped mounting frame.

[0023] Preferably, the U-shaped mounting bracket, the plurality of rotating rollers, and the two support brackets are used for conveying and supporting the workpiece.

[0024] Compared with related technologies, the adaptive precision sheet metal punching and bending composite device provided by the present invention has the following beneficial effects:

[0025] This invention provides an adaptive precision sheet metal punching and bending composite device. By integrating punching and bending processes into the same equipment, it eliminates the accumulation of positioning errors from multiple clamping processes. The CNC control unit automatically adjusts process parameters such as punching gap, bending angle, and holding time according to the material and thickness of the sheet metal, realizing adaptive parameter adjustment for thin sheets of different materials and thicknesses. This solves the problem of springback control and meets the needs of flexible production. Attached Figure Description

[0026] Figure 1 A schematic diagram of the structure of a first embodiment of an adaptive precision sheet metal punching and bending composite device provided by the present invention;

[0027] Figure 2 for Figure 1 A front view of the combined punching and bending device shown;

[0028] Figure 3 for Figure 1 Left view of the punching and bending composite device shown;

[0029] Figure 4 for Figure 1 Right view of the punching and bending composite device shown;

[0030] Figure 5 for Figure 1 Top view of the combined punching and bending device shown;

[0031] Figure 6 for Figure 1A three-dimensional structural schematic diagram of the precision stamping mechanism shown;

[0032] Figure 7 for Figure 6 The front view of the precision stamping mechanism shown;

[0033] Figure 8 for Figure 6 Left view of the precision blanking mechanism shown;

[0034] Figure 9 for Figure 6 The right view of the precision stamping mechanism shown;

[0035] Figure 10 for Figure 6 A top view of the precision stamping mechanism shown;

[0036] Figure 11 for Figure 1 The diagram shows a three-dimensional structure of a multi-station bending machine from a first-person perspective.

[0037] Figure 12 for Figure 11 The diagram shows a three-dimensional structure of the multi-station bending machine from a second perspective.

[0038] Figure 13 for Figure 11 The side view of the multi-station bending machine shown;

[0039] Figure 14 for Figure 11 A top view of the multi-station bending machine shown;

[0040] Figure 15 Workflow diagram;

[0041] Figure 16 This is a schematic diagram of the second embodiment of an adaptive precision sheet metal punching and bending composite device provided by the present invention.

[0042] Figure 17 for Figure 16 The enlarged schematic diagram of part A is shown.

[0043] The diagram shows: 1. Machine frame unit; 2. Adaptive feeding unit.

[0044] 3. Precision blanking mechanism, 301. Side pressure positioning cylinder, 302. Drive clamping positioning block, 303. Reference surface of equipment frame, 304. Main blanking drive cylinder, 305. Blanking execution module, 306. Feeding guide positioning unit, 307. Feeding guide positioning unit, 308. Stroke limit component.

[0045] 4. Multi-station bending machine, 401. Guide shaft assembly, 402. Bearing support assembly, 403. Mounting fixture, 404. Feeding drive assembly, 405. Adaptive ultra-thin bending module, 406. Bending mechanism frame, 407. Servo drive motor assembly, 408. Hydraulic cylinder, 409. Clamping module, 410. Reference surface of the bending mechanism frame.

[0046] 5. CNC control unit, 501. Operation panel,

[0047] 6. Power distribution unit; 7. Workpiece being processed.

[0048] 8. Support components; 81. U-shaped mounting bracket; 82. Rotating roller; 83. Support frame. Detailed Implementation

[0049] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0050] First Embodiment

[0051] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 , Figure 14 and Figure 15 ,in, Figure 1 A schematic diagram of the structure of a first embodiment of an adaptive precision sheet metal punching and bending composite device provided by the present invention; Figure 2 for Figure 1 A front view of the combined punching and bending device shown; Figure 3 for Figure 1 Left view of the punching and bending composite device shown; Figure 4 for Figure 1 Right view of the punching and bending composite device shown; Figure 5 for Figure 1 Top view of the combined punching and bending device shown; Figure 6 for Figure 1 A three-dimensional structural schematic diagram of the precision stamping mechanism shown; Figure 7 for Figure 6 The front view of the precision stamping mechanism shown; Figure 8 for Figure 6 Left view of the precision blanking mechanism shown; Figure 9 for Figure 6 The right view of the precision stamping mechanism shown; Figure 10 for Figure 6 A top view of the precision stamping mechanism shown; Figure 11 for Figure 1 The diagram shows a three-dimensional structure of a multi-station bending machine from a first-person perspective. Figure 12 for Figure 11 The diagram shows a three-dimensional structure of the multi-station bending machine from a second perspective. Figure 13 for Figure 11 The side view of the multi-station bending machine shown; Figure 14 for Figure 11 A top view of the multi-station bending machine shown; Figure 15 This is a workflow diagram. An adaptive precision sheet metal punching and bending composite device includes:

[0052] The machine frame unit 1, adaptive feeding unit 2, precision punching mechanism 3, multi-station bending machine 4, CNC control unit 5, operation panel 501, power distribution unit 6, and workpiece 7;

[0053] The adaptive feeding unit 2 is mounted on the surface of the machine frame unit 1;

[0054] The precision punching mechanism 3 is mounted on the surface of the machine frame unit 1 and is located on one side of the adaptive feeding unit 2;

[0055] The multi-station bending machine 4 is mounted on the surface of the machine frame unit 1 and located on one side of the precision punching mechanism 3;

[0056] The numerical control control unit 5 is installed on one side inside the machine frame unit 1;

[0057] The operation panel 501 is mounted on one side of the surface of the whole machine frame unit 1;

[0058] The power distribution unit 6 is installed on the other side inside the whole machine frame unit 1;

[0059] The workpiece 7 is positioned between the adaptive feeding unit 2, the precision punching mechanism 3, and the multi-station bending machine 4.

[0060] The frame unit 1 of the whole machine carries all functional modules, provides high rigidity support, counteracts the reaction force during punching and bending, and ensures the consistency of processing benchmarks.

[0061] The adaptive feeding unit 2 integrates a high-precision servo drive and guide positioning structure to achieve precise step-by-step conveying of thin sheet material strips. It can adaptively adjust the feeding force and step distance accuracy according to the thickness and material of the material strip, and complete the continuous transfer of parts from the material strip carrier to the punching station and bending station.

[0062] The precision blanking mechanism 3 is used to perform high-precision blanking on thin sheet metal strips, completing separation processes such as blanking and punching of parts.

[0063] The precision punching mechanism 3 includes a side-pressure positioning cylinder 301, a drive-pressing positioning block 302, a reference surface 303 of the equipment frame, a main punching drive cylinder 304, a punching execution module 305, a feeding guide positioning unit 306, a servo drive motor 307, and a stroke limit component 308. The side-pressure positioning cylinder 301 is installed on one side of the bottom of the reference surface 303 of the equipment frame, and the drive-pressing positioning block 302 is installed on the bottom of the reference surface 303 of the equipment frame and is located on one side of the side-pressure positioning cylinder 301.

[0064] The main blanking drive cylinder 304 is installed on one side of the reference surface 303 of the equipment frame, the blanking execution module 305 is installed on the surface of the reference surface 303 of the equipment frame and located on one side of the main blanking drive cylinder 304, and the feeding guide positioning unit 306 is installed on the surface of the reference surface 303 of the equipment frame and located on one side of the blanking execution module 305.

[0065] The servo drive motor 307 is installed on one side of the main punching drive cylinder 304, and the stroke limit component 308 is installed on one side of the main punching drive cylinder 304.

[0066] The side-pressure positioning cylinder 301 is used to drive the pressure block to complete the lateral clamping of the strip, preventing the parts from moving during the punching process.

[0067] The drive clamping and positioning block 302 is used to clamp the strip onto the die surface before punching to prevent material flow and warping.

[0068] The main punching drive cylinder 304 is used to provide the main punching force and drive the punch to complete the punching action.

[0069] The blanking execution module 305 adopts an extremely small gap design with a material thickness of 0.5%-1%, which realizes pure plastic shearing and separation, ensuring that the parts have a bright cross-section, no burrs, and no tear bands.

[0070] The feeding guide and positioning unit 306 is used to drive the micro-stroke precision punching action of the punching execution module 305.

[0071] The stroke limit component 308 is used to precisely control the punching stroke, prevent over-punching, and ensure the accuracy and consistency of punching dimensions.

[0072] The multi-station bending machine 4 includes a guide shaft assembly 401, a bearing support assembly 402, a mounting base 403, a feeding drive assembly 404, multiple adaptive ultra-thin bending modules 405, multiple bending mechanism frames 406, multiple servo drive motor assemblies 407, multiple hydraulic cylinders 408, a clamping module 409, and a reference surface 410 for the bending mechanism frames. The guide shaft assembly 401 is mounted on the surface of the mounting base 403, the bearing support assembly 402 is mounted on the side of the mounting base 403, and the feeding drive assembly 404 is mounted on one side of the surface of the mounting base 403.

[0073] Multiple adaptive ultra-thin bending modules 405 are mounted on the surface of the mounting base 403, multiple bending mechanism frames 406 are respectively disposed on the sides of the mounting base 403 and the adaptive ultra-thin bending modules 405, and multiple servo drive motor assemblies 407 are respectively mounted on the bearing support assembly 402, the adaptive ultra-thin bending module 405 and the guide shaft assembly 401.

[0074] Multiple hydraulic cylinders 408 are respectively mounted on the top of multiple bending mechanism frames 406, the clamping module 409 is mounted on the surface of the mounting base 403 and located on one side of the adaptive ultra-thin bending module 405, and the reference surface 410 of the bending mechanism frame is mounted on the surface of the mounting base 403.

[0075] The multi-station bending machine 4 is used to continuously bend and form parts that have been punched in multiple directions and at multiple angles.

[0076] The guide shaft assembly 401 is used to provide high-precision linear guidance for the bending execution module, ensuring the straightness of the bending cutter's movement.

[0077] The bearing support assembly 402 is used to provide rotational support for the transmission components of the bending mechanism and reduce motion friction.

[0078] The feeding drive assembly 404 is used to drive the parts to be bent to be accurately fed to the bending station.

[0079] The adaptive ultra-thin bending module 405 is used to complete multi-directional bending and forming of parts.

[0080] The bending mechanism frame 406 serves as the mounting reference for the bending module, providing high-rigidity support.

[0081] The servo drive motor assembly 407 is used to power the bending knife and precisely control the bending stroke and angle.

[0082] Hydraulic cylinder 408 is used to drive the wedge block to switch bending stations.

[0083] The clamping module 409 is used to firmly press the parts onto the reference surface to prevent bending and movement.

[0084] The reference plane 410 of the bending mechanism frame is used to provide a reference plane for bending processing.

[0085] The CNC control unit 5 is electrically connected to each functional module to realize the sequential collaborative control of feeding, punching, and bending processes. It can adaptively adjust process parameters such as punching force, bending angle, and holding time according to the input part parameters and material characteristics to achieve fully automated processing.

[0086] The operation panel 501 is used to input processing parameters such as sheet metal material, thickness, punching type, punching size, and bending angle. The power distribution unit 6 is used to provide power to each functional module.

[0087] Feeding and positioning: The material strip is conveyed to the punching station by the feeding guide positioning unit 306 of the adaptive feeding unit 2, and the positioning pin completes the precise positioning to ensure that the parts are completely aligned with the cutting edges of the punch and die assembly of the punching execution module 305.

[0088] Pre-clamping: Drive the clamping and positioning block 302 downward to clamp the strip onto the die surface. At the same time, the side-clamping positioning cylinder 301 completes the lateral clamping, forming a stable processing reference and preventing the parts from moving during the punching process.

[0089] Precision blanking: The CNC control unit 5 automatically matches process parameters such as blanking gap and blank holder force by calling the process database based on the input material and thickness parameters. The servo drive motor 307 drives the main blanking drive cylinder 304, which drives the punch of the blanking execution module 305 downward with the set blanking force, cutting into the part with an extremely small gap of 0.5%-1% of the material thickness, completing pure plastic shearing and separation, and achieving precision blanking with a bright cross-section, no burrs, and no tear bands;

[0090] Pressure holding and reset: After the punching is in place, the punch holds pressure for 0.3 to 1 second to counteract the springback. Then, each component resets in sequence, and the punched part continues to be transported to the bending station.

[0091] Operating a multi-station bending mechanism:

[0092] Material feeding and positioning: The blanked part 7 is conveyed to the bending station by the feeding drive assembly 404 to complete precise positioning;

[0093] Clamping and fixing: The clamping module 409 firmly presses the part onto the reference surface 410 of the bending mechanism frame to prevent bending movement;

[0094] Adaptive bending: The adaptive ultra-thin bending module 405 is powered by the servo drive motor assembly 407 to perform multi-directional and multi-angle step-by-step bending of parts. The bending head has a built-in pressure sensor and angle encoder to accurately detect bending pressure and angle. The elastic micro-compensation lower die is inlaid with Shore A35~A45 polymer elastic pads, which can automatically deform with the bending arc of the workpiece and accurately offset the springback. The servo drive unit realizes that the tip angle of the cutting head is continuously adjustable from 0° to 120° and the pressure is 0.1~5MPa.

[0095] Station switching: Hydraulic cylinder 408 drives the wedge block to switch to the next bending station to complete continuous bending and forming in multiple directions and angles;

[0096] Pressure holding and shaping: After bending to the correct position, the bending blade holds pressure for 0.5-1 seconds. The elastic micro-compensation module automatically deforms according to the springback characteristics of the sheet metal to offset the springback and complete the shaping of the part.

[0097] Material feeding cycle: The shaped parts are taken out by the picking mechanism, and the feeding component feeds in the next part, repeating the above process to achieve continuous automated production.

[0098] Adaptive control process: The CNC control unit 5, through the operation panel 501, inputs parameters such as sheet metal material, thickness, punching type, punching size, and bending angle, and automatically matches the punching clearance, blank holder force, and bending pre-compensation value by calling the process database. For sheet metal of different thicknesses, it automatically adjusts the punching clearance of the punch and die assembly; for different materials, it automatically adjusts the bending angle and holding time to compensate for material springback; for different part specifications, it automatically switches the feeding step distance, punching stroke, and bending sequence to achieve flexible production.

[0099] Compared with related technologies, the adaptive precision sheet metal punching and bending composite device provided by the present invention has the following beneficial effects:

[0100] This invention provides an adaptive precision sheet metal punching and bending composite device. By integrating the punching and bending processes into the same equipment, the device eliminates the accumulation of positioning errors from multiple clamping processes. The CNC control unit 5 automatically adjusts process parameters such as punching gap, bending angle, and holding time according to the material and thickness of the sheet metal, realizing adaptive parameter adjustment for thin sheets of different materials and thicknesses. This solves the problem of springback control and meets the needs of flexible production.

[0101] Second Embodiment

[0102] Please refer to the following: Figure 16 and Figure 17Based on the adaptive precision sheet metal punching and bending composite device provided in the first embodiment of this application, the second embodiment of this application proposes another adaptive precision sheet metal punching and bending composite device. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0103] Specifically, the second embodiment of this application provides an adaptive precision sheet metal punching and bending composite device that also includes a support component 8. The support component 8 is disposed at one end of the machine frame unit 1. The support component 8 includes a U-shaped mounting frame 81, a plurality of rotating rollers 82 and two support frames 83. The U-shaped mounting frame 81 is mounted on the side of the machine frame unit 1 through the two support frames 83.

[0104] The plurality of rotating rollers 82 are respectively mounted on the U-shaped mounting frame 81.

[0105] The U-shaped mounting frame 81, the plurality of rotating rollers 82, and the two support frames 83 are used for conveying and supporting the workpiece 7.

[0106] The rotating roller 82 is a cylindrical roller that can rotate freely and is used to support the material belt or parts and reduce conveying friction.

[0107] The working principle of the adaptive precision sheet metal punching and bending composite device provided by this invention is as follows:

[0108] When the material belt or parts enter and exit the equipment, the multiple rotating rollers 82 of the support assembly 8 contact the lower surface of the material belt or parts to provide support force. The rotating rollers 82 rotate with the movement of the material belt or parts, which not only ensures the support effect but also reduces frictional resistance. The two support frames 83 firmly install the U-shaped mounting frame 81 on the side of the whole machine frame unit 1, ensuring the stability of the support assembly 8.

[0109] Compared with related technologies, the adaptive precision sheet metal punching and bending composite device provided by the present invention has the following beneficial effects:

[0110] This invention provides an adaptive precision sheet metal punching and bending composite device. By setting a support component 8 at one end of the machine frame unit 1, and utilizing the cooperation of a U-shaped mounting frame 81, multiple rotating rollers 82 and two support frames 83, auxiliary support for the material strip or parts is achieved.

[0111] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. An adaptive precision sheet metal punching and bending composite device, characterized in that, include: The machine frame unit, adaptive feeding unit, precision punching mechanism, multi-station bending machine, CNC control unit, operation panel, power distribution unit and workpiece; The adaptive feeding unit is mounted on the surface of the machine frame unit; The precision punching mechanism is mounted on the surface of the machine frame unit and located on one side of the adaptive feeding unit; The multi-station bending machine is mounted on the surface of the machine frame unit and located on one side of the precision punching mechanism; The numerical control control unit is installed on one side inside the machine frame unit; The operation panel is mounted on one side of the surface of the machine frame unit; The power distribution unit is installed on the other side inside the whole machine frame unit; The workpiece is positioned between the adaptive feeding unit, the precision punching mechanism, and the multi-station bending machine.

2. The adaptive precision sheet metal punching and bending composite device according to claim 1, characterized in that, The precision blanking mechanism includes a side-pressure positioning cylinder, a drive-pressing positioning block, a reference surface of the equipment frame, a main blanking drive cylinder, a blanking execution module, a feeding guide positioning unit, a servo drive motor, and a stroke limit component. The side-pressure positioning cylinder is installed on one side of the bottom of the reference surface of the equipment frame, and the drive-pressing positioning block is installed on the bottom of the reference surface of the equipment frame and is located on one side of the side-pressure positioning cylinder.

3. The adaptive precision sheet metal punching and bending composite device according to claim 2, characterized in that, The main blanking drive cylinder is installed on one side of the reference surface of the equipment frame, the blanking execution module is installed on the surface of the reference surface of the equipment frame and located on one side of the main blanking drive cylinder, and the feeding guide positioning unit is installed on the surface of the reference surface of the equipment frame and located on one side of the blanking execution module.

4. The adaptive precision sheet metal punching and bending composite device according to claim 2, characterized in that, The servo drive motor is mounted on one side of the main punching drive cylinder, and the stroke limit component is mounted on one side of the main punching drive cylinder.

5. The adaptive precision sheet metal punching and bending composite device according to claim 1, characterized in that, The multi-station bending machine includes a guide shaft assembly, a bearing support assembly, a mounting base, a feeding drive assembly, multiple adaptive ultra-thin bending modules, multiple bending mechanism frames, multiple servo drive motor assemblies, multiple hydraulic cylinders, a clamping module, and a reference surface for the bending mechanism frames. The guide shaft assembly is mounted on the surface of the mounting base, the bearing support assembly is mounted on the side of the mounting base, and the feeding drive assembly is mounted on one side of the surface of the mounting base.

6. The adaptive precision sheet metal punching and bending composite device according to claim 5, characterized in that, Multiple adaptive ultra-thin bending modules are mounted on the surface of the mounting base, multiple bending mechanism frames are respectively disposed on the side of the mounting base and the adaptive ultra-thin bending module, and multiple servo drive motor assemblies are respectively mounted on the bearing support assembly, the adaptive ultra-thin bending module and the guide shaft assembly.

7. The adaptive precision sheet metal punching and bending composite device according to claim 5, characterized in that, Multiple hydraulic cylinders are respectively mounted on the top of multiple bending mechanism frames, the clamping module is mounted on the surface of the mounting base and located on one side of the adaptive ultra-thin bending module, and the reference surface of the bending mechanism frame is mounted on the surface of the mounting base.

8. The adaptive precision sheet metal punching and bending composite device according to claim 1, characterized in that, A support assembly is provided at one end of the machine frame unit. The support assembly includes a U-shaped mounting frame, multiple rotating rollers, and two support frames. The U-shaped mounting frame is mounted on the side of the machine frame unit via the two support frames.

9. The adaptive precision sheet metal punching and bending composite device according to claim 8, characterized in that, The multiple rotating rollers are respectively mounted on the U-shaped mounting frame.

10. The adaptive precision sheet metal punching and bending composite device according to claim 8, characterized in that, The U-shaped mounting frame, the plurality of the rotating rollers, and the two support frames are used for conveying and supporting the workpiece.

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