Self-adaptive clamping device for aviation composite material processing

Abstract

The invention belongs to the field of composite material processing equipment, and discloses a self-adaptive clamping device for aviation composite material processing. A console assembly; the operation table assembly comprises a rotating base, an operation table, an adjusting side base, a driving unit and a clamping assembly. The clamping assembly comprises a zero-point mother disc, a zero-point quick-change son disc, a clamping piece and a protective isolation assembly; the isolation assembly comprises a two-way rotary door and a control assembly; the control assembly comprises a CRT control panel, a pneumatic control assembly and an image acquisition assembly; according to the technical scheme, the clamping assembly based on the zero-point quick change technology can achieve quick positioning and reloading of a workpiece, the repeated positioning precision is high, the clamping force of the adjustable clamping plate is controlled through the control assembly, monitoring of the clamping force is completed in real time, quick adjustment of the clamping force can be achieved, and the working efficiency is improved. Workpiece damage caused by the fact that the clamping force on the workpiece cannot be adjusted in a self-adaptive mode in the machining process is avoided, the clamping stability is guaranteed, and meanwhile the machining quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aviation composite material processing equipment, in particular to a self-adaptive clamping device for aviation composite material processing. BACKGROUND

[0002] With the rapid development of aerospace equipment, due to the excellent performance of aviation composite materials such as high strength, lightweight, corrosion resistance, aviation composite materials have been more and more applied in the field of aerospace, and many large-sized and complex-shaped metal components are gradually replaced by composite material components. In the process of aviation composite material processing, the workpiece needs to be stably clamped, the workpiece attitude needs to be adjusted according to the processing procedure requirements, and the safety of man-machine cooperation needs to be ensured. In the process of aviation composite material processing, due to the material properties of aviation composite materials, the clamping force is also extremely strict. Too large or too small clamping force will affect the final processing effect of aviation composite materials. And with the change of processing environment and conditions, the shape of aviation composite materials will also change. Traditional clamping systems mostly use rigid clamping method, which is difficult to flexibly adjust the clamping pressure according to the processing conditions of composite materials, which is easy to cause deformation, damage and other problems of composite materials, and seriously affects the processing precision and quality of products. At present, more and more automatic equipment is applied to the manufacturing industry, and aviation composite material processing also cannot do without the assistance of some automatic equipment. However, the man-machine isolation measures of the clamping device used at present are not perfect, the automatic operation and manual operation conflict with each other, safety accidents are easy to occur, and the use is not convenient.

[0003] In order to solve the above problems, the present application provides a self-adaptive clamping device for aviation composite material processing, which can realize flexible and stable clamping of aviation composite materials, realize man-machine operation separation, improve use safety, and improve processing efficiency. SUMMARY

[0004] The present application aims to provide a self-adaptive clamping device for aviation composite material processing to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A self-adaptive clamping device for aviation composite material processing, comprising:

[0007] A workbench;

[0008] An operation table assembly, the operation table assembly comprises a rotating base, an operation table, an adjusting side seat and a driving unit, the rotating base is connected with the workbench, the adjusting side seat is connected with the rotating base, the operation table is connected with the rotating side seat, and the driving unit provides power for the rotating base and the rotating side seat;

[0009] The clamping assembly comprises a zero point master disc, a zero point quick-change sub-disc and a clamping piece. The zero point master disc is connected with the operation table. The zero point quick-change sub-disc is detachably connected with the zero point master disc. The clamping piece is connected with the zero point quick-change sub-disc, and clamping is completed through the clamping piece.

[0010] The protective isolation assembly comprises a two-way revolving door connected with the workbench.

[0011] The control assembly comprises a CRT control panel and a pneumatic control assembly. The pneumatic control assembly is fixedly connected with the workbench. The pneumatic control assembly is connected with the operation table assembly, the clamping assembly and the protective isolation assembly.

[0012] The image acquisition assembly comprises a camera connected with the workbench. The image acquisition assembly is used for camera positioning of the parts.

[0013] Preferably, the driving unit comprises a first driving motor and a second driving motor. The first driving motor is connected with the workbench. The output shaft of the first driving motor is connected with the rotating base. The second driving motor is connected with the adjusting side seat. The output shaft of the second driving motor is connected with the operation table.

[0014] Preferably, a positioning pin and a locking structure are connected between the zero point master disc and the zero point quick-change sub-disc. The positioning pin is used for accurate positioning between the zero point master disc and the zero point quick-change sub-disc. The locking structure comprises a locking claw connected with the pneumatic control assembly.

[0015] Preferably, the clamping piece comprises an adjustable clamping plate and a buffer layer. The adjustable clamping plate is connected with the zero point quick-change sub-disc. The zero point quick-change sub-disc is connected with a pneumatic cylinder. The adjustable clamping plate is connected with the output shaft of the pneumatic cylinder. The buffer layer is connected with the adjustable clamping plate. The buffer layer is made of polyurethane material. The thickness of the buffer layer is 3-5mm.

[0016] Preferably, the two-way revolving door comprises a door body and an electromagnetic lock. The door body is connected with the workbench in a sliding manner. The door body is provided with two groups. The electromagnetic lock is connected with the workbench and the door body. The electromagnetic lock is electrically connected with the control assembly.

[0017] Preferably, the pneumatic control assembly comprises a gas source processing unit, an electromagnetic valve group and a pressure sensor. The gas source processing unit is used for filtering, pressure reducing and oil mist lubrication of compressed air. The electromagnetic valve group is used for controlling the action direction of each pneumatic actuator. The pressure sensor is connected with the pneumatic cylinder. The pressure sensor is used for monitoring the clamping pressure of the clamping assembly.

[0018] Preferably, the workbench is connected to a first adjusting rod, the first adjusting rod is rotatably connected to a second adjusting rod, the second adjusting rod is L-shaped, and the CRT control panel is connected to the second adjusting rod.

[0019] Preferably, the workbench is connected to an anti-slip chassis.

[0020] Preferably, the upper part of the workbench frame is hollowed out.

[0021] The beneficial effects of this technical solution compared to existing technologies are as follows:

[0022] (1) This technical solution enables the operating table to achieve 360-degree horizontal rotation and 90-degree flip by rotating the base and adjusting the side seat. It can flexibly adjust the workpiece posture according to the processing requirements, adapt to different processing procedures and processing equipment, and improve the versatility of the device. The clamping component based on zero-point quick change technology can realize the rapid positioning and replacement of the workpiece, with high repeatability. By controlling the clamping force of the adjustable clamping plate through the control component, and monitoring the clamping force in real time, the clamping force can be quickly adjusted, avoiding the workpiece damage caused by the inability to adaptively adjust the clamping force during the processing, ensuring clamping stability while improving processing quality.

[0023] (2) This technical solution is equipped with a protective isolation component. Human-machine isolation is achieved through two sets of doors. When one side of the workbench is closed by the two sets of doors, the other side opens naturally. This achieves the purpose of one side being operable while the other side is not, thus realizing human-machine separation and preventing personnel from accidentally entering dangerous areas during the operation of automated equipment. At the same time, it prevents automated equipment from accidentally entering dangerous areas during manual operation, greatly improving the safety of human-machine collaborative operation. Moreover, the structure is reasonably designed, with one side opening and the other side automatically closing. No complicated operation is required, and it is easy to use.

[0024] (3) This technical solution enables centralized control of the device through the CRT control panel, which makes parameter setting convenient and status monitoring intuitive; the zero-point quick-change structure shortens the workpiece change time, and the hollow design facilitates the upward hoisting and transfer of workpieces, which also reduces the overall weight of the equipment and improves the overall operating efficiency; the CRT control panel can be quickly adjusted in terms of angle and position by the cooperation of the first and second adjustment rods, which is convenient for different operating positions and different construction areas, further improving the applicability of the equipment. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the clamping device provided by the present invention;

[0026] Figure 2 This is a side view of the clamping device provided by the present invention;

[0027] Figure 3A front view of the clamping device provided by the present invention;

[0028] Figure 4 This is a top view of the clamping device provided by the present invention;

[0029] Figure 5 for Figure 1 Enlarged view of point A in the middle;

[0030] Figure 6 for Figure 1 Enlarged view at point B in the middle;

[0031] Figure 7 for Figure 1 Enlarged view at point C;

[0032] Figure 8 for Figure 3 Enlarged view at point D;

[0033] Figure 9 for Figure 4 A magnified view of a section of one of the cameras;

[0034] Figure 10 for Figure 9 Enlarged view at point G;

[0035] Figure 11 for Figure 4 A close-up view of another camera in the middle;

[0036] Figure 12 for Figure 11 Enlarged view at point E in the middle;

[0037] Figure 13 for Figure 11 Enlarged view at point F;

[0038] Attached reference numerals: 1. Workbench frame; 2. Pneumatic control assembly; 3. Anti-slip chassis; 4. First adjusting rod; 5. Second adjusting rod; 6. Door; 7. CRT control panel; 8. Camera. Detailed Implementation

[0039] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0040] like Figures 1 to 13 An adaptive clamping device for processing aerospace composite materials, shown, includes:

[0041] Workbench; other components are mounted on the workbench.

[0042] The control panel assembly includes a rotating base, a control panel, an adjusting side seat, and a drive unit. The rotating base is connected to the workbench frame, the adjusting side seat is connected to the rotating base, and the control panel is connected to the rotating side seat. The drive unit provides power to the rotating base and the rotating side seat. The drive unit includes a first drive motor and a second drive motor. The first drive motor is connected to the workbench frame, and its output shaft is connected to the rotating base. The second drive motor is connected to the adjusting side seat, and its output shaft is connected to the control panel. The first drive motor can drive the rotating base to rotate horizontally 360 degrees, thereby driving the control panel to rotate horizontally. The second drive motor can drive the control panel to rotate vertically.

[0043] The clamping assembly includes a zero-point master plate, a zero-point quick-change slave plate, and clamping components. The zero-point master plate is connected to the operating table, the zero-point quick-change slave plate is detachably connected to the zero-point master plate, and the clamping components are connected to the zero-point quick-change slave plate, achieving clamping through the clamping components. A positioning pin and a locking structure connect the zero-point master plate and the zero-point quick-change slave plate. The positioning pin is used for precise positioning between the zero-point master plate and the zero-point quick-change slave plate. Specifically, the zero-point master plate has a pin hole, and the positioning pin connects to the zero-point quick-change slave plate. During installation, simply align the positioning pin with the pin hole to achieve the desired result. The system enables rapid positioning between the zero-point master plate and the zero-point quick-change slave plate; the locking structure includes a locking claw, which is pneumatically driven and connected to a pneumatic control component, allowing control of the locking claw's closure; the clamping components include an adjustable clamping plate and a buffer layer, with the adjustable clamping plate slidably connected to the zero-point quick-change slave plate, which is connected to a cylinder, and the adjustable clamping plate connected to the cylinder's output shaft, and the buffer layer connected to the adjustable clamping plate, made of polyurethane material with a thickness of 3-5mm, specifically 3mm.

[0044] Protective isolation components; the isolation components include a two-way revolving door, which is connected to the workbench; the two-way revolving door includes a door body and an electromagnetic lock, the door body is slidably connected to the workbench, the door body is provided with two sets, the electromagnetic lock is connected to the workbench and the door body, and the electromagnetic lock is electrically connected to the control components.

[0045] The control component includes a CRT control panel and a pneumatic control component. The pneumatic control component is fixedly connected to the workbench frame, thus completing its installation. The pneumatic control component is connected to the operating table assembly, clamping assembly, and protective isolation assembly. It controls the operation of the operating table assembly, clamping assembly, and protective isolation assembly. The pneumatic control component includes an air source processing unit, a solenoid valve group, and a pressure sensor. The air source processing unit is used to filter, reduce pressure, and lubricate the compressed air with oil mist. The solenoid valve group is used to control the direction of movement of each pneumatic actuator. The pressure sensor is connected to the cylinder and is used to monitor the clamping pressure of the clamping assembly. A first adjusting rod is rotatably connected to the top of the workbench frame, and a second adjusting rod is rotatably connected to the first adjusting rod. The second adjusting rod is L-shaped, and the CRT control panel is connected to the second adjusting rod.

[0046] Image acquisition component; the image acquisition component includes a camera, which is connected to the workbench; the camera captures images of the processed material to monitor the material processing status.

[0047] The bottom of the workbench is connected to an anti-slip chassis, and the upper part of the workbench is hollowed out. The hollowed-out design reduces the overall weight of the device and facilitates the lifting and removal of materials from the top of the workbench by automated equipment.

[0048] The specific implementation process is as follows:

[0049] When in use, the device is installed at the location where it is to be used. Multiple sets of devices can be installed in parallel at the same time. The manual operation position and the automated equipment are respectively located on the front and rear sides of the device to achieve initial isolation between humans and machines. The two sets of doors cooperate to close one side of the workbench. In the initial use, the two sets of doors are located on the front side of the workbench, that is, the manual operation side is closed. At this time, the operator cannot enter the workbench to operate. The operator starts the device through the CRT control panel. The air source processing unit starts working, filters and depressurizes the compressed air. After the air pressure stabilizes, the device enters the standby state. At this time, the clamping components are in the unlocked state. Then, the operator inputs the corresponding processing parameters into the CRT control panel according to the processing requirements, adjusts the horizontal and vertical positions of the operating table and the clamping threshold, and proceeds to the next step after the settings are completed.

[0050] At this point, with the automated equipment's operating side open, the workpiece to be processed is moved to the device and placed in the clamping assembly area. Specifically, the workpiece is placed between the clamping components of the zero-point quick-change sub-plate. The operator then initiates the clamping program via the CRT control panel. The solenoid valve group of the pneumatic control component starts working, controlling the locking jaws to lock the zero-point quick-change sub-plate. Simultaneously, the cylinder starts working, driving the adjustable clamping plate to move and begin clamping the workpiece. During clamping, a pressure sensor monitors the clamping pressure in real time, and the monitored pressure data is fed back to the control component. When the clamping pressure reaches the preset value, the control component stops pressurizing, completing the workpiece clamping. The clamping pressure can also be monitored in real time during workpiece processing, and the control component controls the cylinder output. The retraction and extension of the shaft enables adaptive pressure adjustment during processing. When automated equipment is required, the door should be positioned at the front of the workbench to prevent manual entry and ensure safety. When manual operation is required, the door is moved via the CRT control panel. The door moves along the workbench from the front to the rear, opening the manual operation side while closing the automated equipment operation side. This allows manual entry to the workbench while preventing automated equipment from entering, ensuring processing safety. After processing, the door position can be adjusted again to allow automated equipment to remove the workpiece. The door position can be adjusted during processing to allow for alternating manual and automated operation.

[0051] The above descriptions are merely embodiments of the present invention, and common knowledge such as specific technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solutions of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A self-adapting clamping device for aerospace composite machining, characterized in that, The utility model relates to a kind of workbench, which comprises: Workbench (1); Operating platform assembly;The operating platform assembly includes rotating base, operating platform, adjustment side seat and drive unit, the rotating base is connected with workbench (1), the adjustment side seat is connected with rotating base, the operating platform is connected with rotating side seat, and the drive unit provides power for rotating base and rotating side seat; Clamping assembly;The clamping assembly includes zero point master disc, zero point quick-change sub-disc and clamping piece, the zero point master disc is connected with operating platform, the zero point quick-change sub-disc is detachably connected with zero point master disc, and the clamping piece is connected with zero point quick-change sub-disc, and clamping is completed by clamping piece; Protective isolation assembly;The isolation assembly includes two-way swing door, and the two-way swing door is connected with workbench (1); Control assembly;The control assembly includes CRT control panel (7) and pneumatic control assembly (2), the pneumatic control assembly (2) is fixedly connected with workbench (1), and the pneumatic control assembly (2) is connected with operating platform assembly, clamping assembly and protective isolation assembly; Image acquisition assembly;The image acquisition assembly includes camera (8), and the camera (8) is connected with workbench (1);The image acquisition assembly is used for camera positioning to part.

2. A self-adapting clamping device for aerospace composite machining according to claim 1, characterized in that, The drive unit includes first drive motor and second drive motor, the first drive motor is connected with workbench (1), the first drive motor output shaft is connected with rotating base, the second drive motor is connected with adjustment side seat, and the second drive motor output shaft is connected with operating platform.

3. A self-adapting clamping device for aerospace composite machining according to claim 1, characterized in that, The zero point master disc is connected with positioning pin and locking structure between zero point quick-change sub-disc, the positioning pin is used for accurate positioning between zero point master disc and zero point quick-change sub-disc, and the locking structure includes locking claw, and the locking claw is connected with pneumatic control assembly (2).

4. A self-adapting clamping device for aerospace composite machining according to claim 1, characterized in that, The clamping piece includes adjustable clamp plate and buffer layer, the adjustable clamp plate is connected with zero point quick-change sub-disc, the zero point quick-change sub-disc is connected with air cylinder, the adjustable clamp plate is connected with air cylinder output shaft, the buffer layer is connected with adjustable clamp plate, the buffer layer is made of polyurethane material, and the buffer layer thickness is 3-5mm.

5. An adaptive clamping device for aerospace composite machining as claimed in claim 1, wherein, The two-way swing door includes door body (6) and electromagnetic lock, the door body (6) is slidably connected with workbench (1), the door body (6) is equipped with two groups, the electromagnetic lock is connected with workbench (1) and door body (6), and the electromagnetic lock is electrically connected with control assembly.

6. A self-adapting clamping device for aerospace composite machining according to claim 4, characterized in that, The pneumatic control assembly (2) includes air source processing unit, electromagnetic valve group and pressure sensor, the air source processing unit is used for filtering, pressure reducing and oil mist lubrication to compressed air;The electromagnetic valve group is used for controlling the action direction of each pneumatic actuator;The pressure sensor is connected with air cylinder, and the pressure sensor is used for monitoring the clamping pressure of clamping assembly.

7. An adaptive clamping device for aerospace composite material machining as claimed in claim 1, wherein, The workbench (1) is connected with first adjusting rod (4), the first adjusting rod (4) is rotatably connected with second adjusting rod (5), the second adjusting rod (5) is L-shaped, and the CRT control panel (7) is connected with second adjusting rod (5).

8. An adaptive clamping device for aerospace composite machining as claimed in claim 1, wherein, The workbench (1) is connected with antiskid chassis (3).

9. An adaptive clamping device for aerospace composite machining as claimed in claim 1, wherein, The upper part of the workbench (1) is hollow.

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