Automatic milling tool for automobile threshold beam

Abstract

The utility model discloses an automatic milling tool of automobile door threshold beam belongs to automobile door threshold beam technical field, including base, the upper surface both ends of base are equipped with support, and the outer side of support is equipped with X direction compression assembly, and the upper of support is equipped with Z direction compression assembly, and one side of base is equipped with Y direction compression assembly, the upper surface of support is equipped with detection hole, and the drive part of Z direction compression assembly is air detection cylinder, and the drive end of X direction compression assembly is connected with flush water block, and flush water block compression surface array is equipped with a plurality of locating column, and locating column stretches into work piece. Realized the effective clamping to the door threshold beam, improved the processing stability. Automatic detection clamping and loosening action whether in place, realized the automatic anti -stupid function.

Description

Technical Field

[0001] This utility model relates to the field of automotive door sill beam technology, specifically to an automated milling fixture for automotive door sill beams. Background Technology

[0002] In the automotive manufacturing industry, door sill beams are key components, and their processing technology faces numerous challenges. Current technologies often employ milling to meet precision requirements due to the complex cross-section and numerous holes in door sill beams. Traditional machining fixtures have significant shortcomings in clamping door sill beams. Firstly, the complex cross-sectional shape makes it difficult for ordinary fixtures to achieve a stable and reliable clamping effect, easily leading to loosening during processing and affecting machining accuracy. Secondly, most existing fixtures lack error-proofing features, failing to detect whether the workpiece is properly positioned. Inaccurate workpiece positioning can not only cause machining defects but may also damage equipment, increasing production costs and repair time.

[0003] Chinese Patent Publication No. CN217750459U, Publication Date: November 8, 2022, discloses a Chinese patent entitled "A Fixture for Machining Automobile Longitudinal Beams," comprising a sequential hydraulic valve, a base plate, an X-axis limiting block and an X-axis clamping cylinder arranged opposite to each other, a Y-axis limiting block and a Y-axis clamping cylinder arranged opposite to each other, a pressure plate, and a rotary cylinder; the X-axis limiting block and the X-axis clamping cylinder are respectively disposed at both ends of the base plate; the Y-axis limiting block and the Y-axis clamping cylinder are respectively disposed on both sides of the base plate; the line connecting the X-axis limiting block and the X-axis clamping cylinder is perpendicular to the line connecting the Y-axis limiting block and the Y-axis clamping cylinder; a rotary cylinder is provided on the base plate, the cylinder head of the rotary cylinder is connected to one end of the pressure plate, and the other end of the pressure plate is freely disposed; this machining fixture cannot adapt to the complex cross-section and numerous holes of the door sill beam, cannot achieve good clamping, and cannot achieve a foolproof function. Utility Model Content

[0004] This utility model provides an automated milling fixture for automotive door sill beams. By setting up a water flushing block, it adapts to the complex cross-section and numerous holes of the door sill beam, achieving effective clamping of the door sill beam and improving processing stability.

[0005] A further objective of this invention is to detect whether the clamping and releasing actions are in place by setting up an air detection cylinder and a detection hole, thereby achieving an automated, foolproof function.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an automated milling fixture for automotive door sill beams, comprising a base, supports at both ends of the upper surface of the base, an X-axis clamping assembly on the outer side of the supports, a Z-axis clamping assembly above the supports, and a Y-axis clamping assembly on one side of the base; a detection hole is provided on the upper surface of the supports, the driving component of the Z-axis clamping assembly is an air cylinder, and a flushing block is connected to the driving end of the X-axis clamping assembly; the clamping surface of the flushing block is arrayed with several positioning posts, which extend into the workpiece.

[0007] Preferably, the support has a placement groove with an inclined section on one side of the groove bottom, where the workpiece is placed. Several positioning posts are evenly distributed on the clamping surface of the flushing block, arranged symmetrically at the center, and extend into the hole of the workpiece. The inclined section adapts to the shape of the sill beam. Side posts are provided on both sides of the support, with the side posts closer to the Z-axis clamping assembly being lower and the side posts further away from the Z-axis clamping assembly being higher. The height of these side posts is approximately level with the height of the workpiece after it is placed in the placement groove. The inclined section better adapts to the complex shape of the sill beam, ensuring the workpiece is stably placed in the placement groove and reducing processing errors caused by shape mismatch. The evenly distributed and symmetrically arranged positioning posts can be accurately inserted into the workpiece hole, further improving the workpiece's positioning accuracy and clamping stability.

[0008] Preferably, the detection hole is located at the bottom of the placement slot and is connected to an air sensor. The air detection cylinder, in conjunction with the air sensor element, can detect whether its clamping and releasing actions are complete. The obtained signal, when linked with the robot, effectively achieves automated error prevention. This effectively avoids processing defects caused by incomplete clamping or releasing. After being linked with the robot, automated control can be achieved, reducing manual intervention and improving the stability and reliability of the production process.

[0009] Preferably, the X-axis clamping assembly includes an X-axis drive unit, the drive end of which is equipped with a connecting block. The X-axis drive unit is an X-axis cylinder, which is placed on an X-axis cylinder seat. The X-axis cylinder seat is located on the upper surface of the base, and both ends of the base are mounted on L-plate 2. The base is a rectangular plate. The X-axis cylinder seat and L-plate 2 provide stable support for the X-axis clamping assembly and the base, ensuring the reliability of the clamping action. The rectangular plate base design can adapt to workpieces of different sizes, improving the versatility of the tooling.

[0010] Preferably, the connecting block and the flushing block are connected on one side, and the other side of the flushing block abuts against the workpiece. The bottom ends of the connecting block and the flushing block are also connected. This connection method ensures that the clamping force is evenly transmitted to the workpiece surface, avoiding excessive local stress that could cause workpiece deformation. The bottom connection design reduces space occupation, making the tooling structure more compact.

[0011] Preferably, a plurality of Z-axis clamping components are provided on one side of the base, and these Z-axis clamping components are linearly and evenly arranged along the length of the base. Supports are provided on one side of the Z-axis clamping components at both ends, and support seats are provided on one side of the plurality of Z-axis clamping components in the middle. The support seats are used to support the workpiece and keep it horizontal, and the horizontal height of the support seats is consistent with the horizontal height of the placement grooves of the support seats. Multiple Z-axis clamping components can provide multi-point support and clamping, ensuring the stability of the workpiece in the Z-direction and reducing vibration during processing. The consistent horizontal height of the support seats and the support seats ensures that the workpiece remains horizontal during processing, improving processing accuracy.

[0012] Preferably, the Z-axis clamping assembly includes a Z-cylinder seat, with an air detection cylinder mounted on the upper surface of the Z-cylinder seat, and an air pipe connector on one side of the cylinder seat. The cooperation between the air detection cylinder and the air pipe connector enables stable pneumatic control, ensuring the accuracy and reliability of the clamping and releasing actions. The design of the air pipe connector facilitates air circuit connection and maintenance, reducing equipment failure rates.

[0013] Preferably, the air detection cylinder is connected to a pressure plate, which is mounted on a support. A Z-axis pressure block is connected to the lower surface of one end of the pressure plate. The pressure plate is positioned above the workpiece, and the Z-axis pressure block abuts against the upper surface of the workpiece to achieve Z-axis clamping. The design of the pressure plate can evenly distribute the clamping force of the air detection cylinder to the workpiece surface, avoiding excessive local stress. The Z-axis pressure block is in direct contact with the workpiece, resulting in a simple structure and reliable clamping effect.

[0014] Preferably, the Y-axis clamping assembly is located on one side of the Z-axis clamping assemblies at both ends, and a Y-axis clamping block is connected to the drive end. The Y-axis clamping assembly includes a Y-axis drive unit, which is a Y-axis cylinder. The Y-axis cylinder is mounted on a Y-axis cylinder seat, which is located on one side of the base. The Y-axis clamping assembly, in conjunction with the Z-axis clamping assembly, can achieve multi-directional clamping, further improving the stability of the workpiece.

[0015] Preferably, one end of the base is equipped with an X-axis clamping assembly, and the upper surface of the other end is equipped with a positioning block. The positioning block is located on one side of the support at this end, and a hydraulic manifold is connected to the base on this side. The positioning block can perform preliminary positioning of the workpiece, ensuring that the workpiece is in the correct position before processing. The hydraulic manifold facilitates centralized management of the hydraulic system, improving the overall integration and reliability of the equipment.

[0016] Beneficial effects: Improved processing stability: By setting up a flushing block, this utility model can adapt to the complex cross-section and numerous holes of the sill beam, and achieve effective clamping of the sill beam, thereby significantly improving the stability during the processing and reducing processing errors caused by loose clamping.

[0017] Achieving automated error prevention: This utility model, by setting up an air detection cylinder and detection hole, can detect whether the clamping and loosening actions are in place, effectively avoiding processing defects caused by improper workpiece placement or incomplete clamping, thus achieving automated error prevention and improving the reliability and safety of production.

[0018] Improved production efficiency: By combining automated clamping and error-proof detection functions, this utility model reduces manual intervention and labor intensity, while improving the efficiency and accuracy of loading and unloading, thereby significantly improving overall production efficiency and meeting the high-efficiency requirements of modern automobile manufacturing. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of one structure of the present utility model.

[0020] Figure 2 This is a schematic diagram of one structure of the present utility model.

[0021] Figure 3 for Figure 2 Enlarged view of point A.

[0022] Reference numerals: 1: Base; 2: L-plate; 3: Oil passage block; 4: X-axis clamping assembly; 4.1: X-axis drive unit; 4.2: X-axis cylinder seat; 4.3: Connecting block; 5: Flushing block; 5.1: Positioning pin; 6: Y-axis clamping assembly; 6.1: Y-axis drive unit; 6.2: Y-axis cylinder seat; 7: Y-axis pressure block; 8: Z-axis clamping assembly; 8.1: Air detection cylinder; 8.2: Pressure plate; 8.3: Z-axis pressure block; 9: Support; 9.1: Inclined part; 9.2: Detection hole; 10: Support base. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] In the automotive parts manufacturing industry, the door sill beam is a key component of the vehicle body structure, and its machining accuracy directly affects the safety and stability of the entire vehicle. However, the complex cross-section and numerous holes of the door sill beam present many challenges to traditional milling processes. The automated milling fixture for automotive door sill beams proposed in this invention effectively solves the problems of clamping and positioning as well as machining stability through innovative design of structural layout and functional components.

[0025] like Figure 1 and Figure 2 As shown, this automated milling fixture is based on a base 1, which features a rectangular plate design. This regular geometry not only facilitates manufacturing but also, thanks to its wide bearing surface, allows it to accommodate sill beam workpieces of different sizes, significantly improving the fixture's versatility. Symmetrically arranged supports 9 at both ends of the upper surface of the base 1 act as sturdy "pillars," providing stable support for the workpiece. The X-axis clamping assembly 4 located on the outside of the supports 9, the Z-axis clamping assembly 8 located above, and the Y-axis clamping assembly 6 on one side of the base 1 work together to create a comprehensive clamping system for the sill beam workpiece from three dimensions.

[0026] like Figure 2 and Figure 3 As shown, the detection hole 9.2 on the upper surface of the support 9 is connected to the internal air sensor, forming the tooling's intelligent detection system. The Z-axis clamping assembly 8 uses an air cylinder 8.1 as the driving component, a design that cleverly integrates power output and status monitoring. When the air cylinder 8.1 performs clamping or releasing actions, the internal air pressure change is transmitted to the air sensor through the detection hole 9.2. The sensor converts the air pressure signal into an electrical signal, which then interacts with the external robot control system. If the air cylinder 8.1 does not clamp completely or release completely, the abnormal air pressure signal captured by the sensor will immediately be fed back to the robot, which will then pause the processing flow and issue an alarm, thus achieving automated error prevention. This intelligent monitoring mechanism completely eliminates problems such as workpiece displacement and processing dimensional deviations caused by incomplete clamping, and workpiece pick-and-place jamming caused by incomplete release, significantly improving the stability and reliability of the production process.

[0027] like Figure 1As shown, the X-axis clamping assembly 4, as a key execution unit that directly contacts the workpiece, features an ingenious structural design. The core component, the X-axis drive unit 4.1, employs an X-axis cylinder mounted on a custom-designed X-axis cylinder seat 4.2. The X-axis cylinder seat 4.2 is securely fixed to the upper surface of the base 1, while the base 1 is further reinforced with L-plates at both ends for enhanced support rigidity. This multi-layered support structure ensures the X-axis cylinder remains stable during frequent extension and retraction, preventing vibration or displacement from affecting the clamping effect. The drive end of the X-axis cylinder is connected to a connecting block 4.3, the bottom of which is connected to one side of a flushing block 5. The other side of the flushing block 5 directly abuts against the sill beam workpiece. This connection method allows the clamping force generated by the X-axis cylinder to be evenly and stably transmitted to the workpiece surface along the path from the connecting block 4.3 to the flushing block 5. Compared to traditional single-point or localized clamping, the uniform force distribution effectively avoids workpiece deformation caused by excessive local pressure. Meanwhile, the design of connecting block 4.3 to the bottom of flushing block 5 cleverly utilizes the spatial layout, significantly reducing the lateral space occupied by the tooling while ensuring force transmission efficiency, making the overall structure more compact and facilitating collaborative operation with other processing equipment.

[0028] like Figure 3 As shown, the flushing block 5, as the core innovative component of this utility model, has several positioning posts 5.1 distributed in an array on its surface, which are key to achieving precise clamping. These positioning posts 5.1 are uniformly and centrally symmetrically arranged, precisely matching the positions of the holes on the sill beam workpiece. When the X-axis clamping assembly 4 drives the flushing block 5 to move towards the workpiece, the positioning posts 5.1 can accurately insert into the workpiece hole, engaging tightly like a "mortise and tenon structure," positioning the workpiece from multiple points. This multi-point positioning method significantly improves the positioning accuracy and clamping stability of the workpiece compared to traditional planar clamping. Even with the complex and varied cross-sectional contours of the sill beam, the positioning posts 5.1 can firmly restrict the displacement and rotational freedom of the workpiece by penetrating deep into the hole, ensuring that the workpiece maintains a fixed posture throughout the milling process. In addition, the design of the flushing block 5 also fully considers the structural characteristics of the sill beam; the shape and area of ​​its clamping surface are larger than the workpiece surface contour, further enhancing the clamping effect and effectively avoiding processing vibration caused by insufficient contact.

[0029] like Figure 3As shown, the placement groove on support 9 also reflects the adaptive design to the sill beam structure. An inclined section 9.1 is provided on one side of the bottom of the placement groove, the angle of which matches the specific shape of the sill beam. When the workpiece is placed in the placement groove, the inclined section 9.1 supports the bottom of the workpiece, allowing it to naturally conform to the bottom of the groove, ensuring stable placement. The side posts on both sides of the placement groove are set with different heights; the side post closer to the Z-axis clamping component 8 is lower, and the side post farther from the Z-axis clamping component 8 is higher, with the height of the higher side post being basically flush with the height of the workpiece after placement. This design not only provides sufficient downward pressure space for the Z-axis clamping component 8 but also plays an auxiliary positioning role when the workpiece is placed, preventing the workpiece from being tilted or offset, thus affecting subsequent clamping accuracy. The cooperation between the inclined section 9.1 and the side posts is like a custom-made "container" for the sill beam, providing support from the bottom to the side, ensuring stable placement of the workpiece in the tooling from all angles, and minimizing processing errors caused by shape mismatch.

[0030] In practical machining applications, this automated milling fixture demonstrates superior performance advantages. Taking the machining of a certain model of automotive door sill beam as an example, traditional fixtures often suffer from milling dimensional deviations due to inaccurate clamping, resulting in a high scrap rate, because they cannot accurately adapt to the complex structure of the workpiece. However, with the adoption of this new fixture, the positioning pin 5.1 of the flushing block 5 and the inclined part 9.1 of the placement groove cooperate with each other to improve the workpiece positioning accuracy; the foolproof system composed of the air detection cylinder 8.1 and the air sensor reduces machining accidents caused by abnormal clamping. The entire fixture seamlessly integrates with the robotic automated production line, realizing full-process automated control from workpiece loading, clamping and positioning, milling to unloading, improving production efficiency and product qualification rate.

[0031] This utility model presents an automated milling fixture for automotive door sill beams. Through innovative designs such as precise positioning of the flushing block 5, intelligent monitoring by the air detection cylinder 8.1, and coordinated operation of multi-directional clamping components, it successfully overcomes the technical challenges in door sill beam machining. From structural optimization to functional integration, every design detail is closely focused on improving machining stability and automation levels. It not only provides an efficient and reliable solution for automotive parts manufacturing but also demonstrates significant economic benefits and promotional value in improving production efficiency and reducing production costs.

[0032] The base 1, serving as the fundamental load-bearing component of the entire fixture, has several Z-axis clamping components 8 arranged linearly and evenly along its length on one side. This layout breaks away from the limitations of traditional single-point or double-point clamping, providing stable Z-axis constraints for the workpiece through a multi-point support and clamping strategy. In this set of Z-axis clamping components 8, the components at both ends are positioned adjacent to the supports 9, while the components in the middle are supported by the support base 10. The support base 10 and the supports 9 are designed with a high degree of consistency, and their horizontal heights are completely aligned, forming a precise horizontal reference plane. When the sill beam workpiece is placed on the fixture, the support base 10 can effectively support the middle of the workpiece, preventing sagging deformation caused by suspension and ensuring that the workpiece remains horizontal throughout the entire processing. Multiple Z-axis clamping components 8 apply pressure to the workpiece from different points, like weaving a stable "pressure net" for the workpiece, greatly reducing errors caused by vibration during processing and significantly improving the stability of the workpiece in the Z direction.

[0033] like Figure 1 As shown, the structural design of the Z-axis clamping assembly 8 also embodies a combination of precision and practicality. Each Z-axis clamping assembly 8 uses a Z-cylinder seat as its core carrier, with the air detection cylinder 8.1 securely mounted on the upper surface of the Z-cylinder seat. The air detection cylinder 8.1 and the air pipe connector located on one side of the cylinder seat form a highly efficient cooperation, constructing a stable pneumatic control system. The air pipe connector adopts a standardized interface design, and its internal channels are finely machined to ensure a tight air circuit connection and unobstructed airflow. In practical applications, the air pipe connector not only facilitates quick connection to external air source pipelines but also enables rapid disassembly and repair during equipment maintenance, effectively reducing equipment downtime caused by air circuit failures and lowering the equipment failure rate. As an actuator, the air detection cylinder 8.1, through its built-in pressure sensor and detection hole 9.2, can monitor its own clamping and loosening status in real time, ensuring precise execution of each action.

[0034] The pneumatic cylinder 8.1 is connected to the pressure plate 8.2 via a connector. The pressure plate 8.2 spans across the support 9, covering the workpiece directly above it. This design allows the clamping force generated by the pneumatic cylinder 8.1 to be evenly distributed to the workpiece surface through the pressure plate 8.2, avoiding damage caused by localized pressure concentration. A Z-axis pressure block 8.3 is connected to the lower surface of one end of the pressure plate 8.2. The Z-axis pressure block 8.3 is made of a metal material with moderate hardness, and its lower surface is finely polished to ensure a tight fit with the upper surface of the workpiece. When the pneumatic cylinder 8.1 is activated, the pressure plate 8.2 drives the Z-axis pressure block 8.3 to press vertically downwards, forming surface contact with the workpiece surface. This direct and stable clamping method ensures the reliability of the clamping effect and avoids stress concentration problems caused by point or line contact, ensuring the workpiece is securely clamped in the Z-direction.

[0035] like Figure 2As shown, the Y-axis clamping assembly 6 and the Z-axis clamping assembly 8 complement each other spatially, jointly constructing a multi-dimensional clamping system. The Y-axis clamping assembly 6 is located on one side of the Z-axis clamping assemblies 8 at both ends, and is driven by a Y-axis cylinder as the Y-axis drive unit 6.1. The Y-axis cylinder is mounted on a custom-made Y-axis cylinder seat 6.2, which is securely fixed to the side surface of the base 1. The drive end of the Y-axis cylinder is connected to the Y-axis pressure block 7, the shape of which is adapted to the side profile of the workpiece. When the Y-axis cylinder is activated, the Y-axis pressure block 7 applies pressure to the side of the workpiece, working in conjunction with the Z-axis clamping assembly 8 from both vertical and horizontal directions to firmly fix the workpiece on the fixture. This multi-directional clamping method can effectively resist the cutting forces and vibrations generated during milling, further improving the overall stability of the workpiece and ensuring that the workpiece will not shift or shake during processing.

[0036] At both ends of the base 1, an X-axis clamping assembly 4 and a positioning block are respectively arranged. The X-axis clamping assembly 4 at one end of the base 1 is connected to the aforementioned flushing block 5 at its drive end. The positioning pin 5.1 on the flushing block 5 achieves precise positioning and clamping of the workpiece. The positioning block on the upper surface of the other end plays an important role in the initial positioning of the workpiece. The shape of the positioning block matches the characteristics of the workpiece end, and when the workpiece is placed on the fixture, it can quickly guide the workpiece into the correct position, laying the foundation for subsequent clamping operations. At the same time, the hydraulic circuit block 3 connected to the base 1 on this side centrally manages the hydraulic system pipelines. The hydraulic circuit block 3 has a precise oil passage layout designed inside. By rationally planning the flow and distribution of oil, the efficient operation of the hydraulic system is achieved. This integrated design not only makes the external pipeline layout of the fixture simpler and more organized, but also improves the reliability of the hydraulic system and reduces the risk of failures such as oil leakage and blockage caused by complex pipelines.

[0037] This utility model presents an automated milling fixture for automotive door sill beams. Through the coordinated layout of multi-directional clamping components, intelligent monitoring by the air detection cylinder 8.1, and a scientific structural design, it successfully solves the stability and automation challenges in automotive door sill beam machining. From the support design of the base 1 to the precise coordination of each clamping component, and the realization of automated error-proofing functions, every step is closely focused on improving processing efficiency and product quality. It provides a highly practical and innovative solution for the automotive parts manufacturing industry, with broad application prospects and significant potential for widespread adoption.

[0038] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this utility model.

Claims

1. An automated milling fixture for automobile door sill beams, characterized in that, Includes a base, with supports at both ends of the upper surface of the base, an X-axis clamping component on the outside of the supports, a Z-axis clamping component above the supports, and a Y-axis clamping component on one side of the base; The upper surface of the support is provided with a detection hole. The driving component of the Z-axis clamping assembly is a pneumatic cylinder. The driving end of the X-axis clamping assembly is connected to a water flushing block. The clamping surface of the water flushing block is provided with several positioning pins, which extend into the workpiece.

2. The automatic milling tooling for automobile rocker beam according to claim 1, characterized in that, The support is provided with a placement groove, and an inclined part is provided on one side of the bottom of the placement groove, and the workpiece is placed in the placement groove.

3. The automatic milling tooling for automobile rocker beam of claim 2, wherein, The detection hole is located at the bottom of the placement tank and is connected to an air sensor.

4. The automatic milling tooling for automobile rocker beam according to claim 1, characterized in that, The X-axis clamping assembly includes an X-axis drive unit, and the drive end of the X-axis drive unit is provided with a connecting block.

5. The automatic milling tooling for automobile rocker beam of claim 4, wherein, The connecting block and the flushing block are connected on one side, and the other side of the flushing block abuts against the workpiece.

6. The automatic milling tooling for automobile rocker beam according to claim 1, characterized in that, Several Z-axis clamping components are provided on one side of the base, and these Z-axis clamping components are linearly and evenly arranged along the length of the base.

7. The automatic milling tooling for automobile rocker beam according to claim 1 or 6, characterized in that, The Z-axis clamping assembly includes a Z-cylinder seat, an air detection cylinder is mounted on the upper surface of the Z-cylinder seat, and an air pipe connector is provided on one side of the cylinder seat.

8. The automatic milling tooling for automobile rocker beam according to claim 7, characterized in that, The air detection cylinder is connected to a pressure plate, which is mounted on a support. A Z-axis pressure block is connected to the lower surface of one end of the pressure plate.

9. The automatic milling tooling for automobile rocker beam of claim 7, wherein, The Y-axis clamping assembly is located on one side of the Z-axis clamping assembly at both ends, and the drive end is connected to the Y-axis clamping block.

10. The automatic milling tooling for automobile rocker beam according to claim 1, characterized in that, One end of the base is equipped with an X-axis clamping component, and the upper surface of the other end is equipped with a positioning block.

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