Laser tube cutting machine chuck testing control device, method and system

Abstract

This invention discloses a chuck testing control device, method, and system for laser tube cutting machine, used to test a first chuck mechanism and a second chuck mechanism. The first chuck mechanism includes a first chuck cylinder for controlling the clamping or loosening of the first chuck, and the second chuck mechanism includes a second chuck cylinder for controlling the clamping or loosening of the second chuck. The laser tube cutting machine chuck testing control device includes: a control component for generating a trigger signal; a switch control circuit for connecting to the first chuck cylinder and the second chuck cylinder; and a controller connected to the control component and the switch control circuit. The controller is used to control the switch control circuit to close or open according to the trigger signal to control the first chuck cylinder to drive the first chuck to clamp or loosen, thereby detecting the air pressure of the first chuck cylinder; and the controller is used to control the switch control circuit to close or open according to the trigger signal to control the second chuck cylinder to drive the second chuck to clamp or loosen, thereby detecting the air pressure of the second chuck cylinder.

Description

Technical Field

[0001] This invention relates to the field of laser testing equipment, and more particularly to a test control device, method and system for laser tube cutting machine chucks. Background Technology

[0002] In laser tube cutting machines, the automatic chuck is a crucial component. The chuck can automatically open and clamp, holding the tube for rotational processing.

[0003] Currently, pneumatic chucks generally consist of a chuck body, jaws, cylinders, and a rotary drive motor. The jaws are arranged radially along the chuck body. The cylinders drive the jaws to move radially along the chuck body, bringing them closer together or further apart. The rotary drive motor drives the chuck body to rotate. The jaws move under the drive of the cylinders, and each cylinder has a corresponding air inlet to provide clamping force to the jaws. The clamping force provided by the jaws is also related to the air pressure in the cylinders, and since gas is compressible, if the cylinders cannot provide sufficient air pressure, the center of the pipe will shift from the center of the pneumatic chuck after clamping. If laser cutting is performed in this clamped state, the cutting accuracy will be affected, resulting in defective products. Therefore, chuck accuracy is the core of the entire pipe cutting machine.

[0004] However, in actual production applications, manufacturers typically ship chucks directly to customers without considering the precision issues encountered during production. As a result, customers often experience chuck clamping accuracy problems, leading to poor cutting quality and affecting product yield. If customers discover problems after use and need to adjust the chuck, they must repeatedly disassemble and reassemble it on the equipment, which can easily damage the equipment's appearance and components, resulting in very high labor costs, low production efficiency, and unnecessary after-sales costs for the manufacturer. Summary of the Invention

[0005] This invention provides a chuck testing and control device, method, and system for laser tube cutting machines, aiming to solve the problems of low chuck accuracy and stability, which affect production efficiency and high labor costs.

[0006] In a first aspect, embodiments of the present invention provide a chuck testing and control device for a laser tube cutting machine, used to test a first chuck mechanism and a second chuck mechanism. The first chuck mechanism includes a first chuck cylinder for controlling the clamping or releasing of the first chuck, and the second chuck mechanism includes a second chuck cylinder for controlling the clamping or releasing of the second chuck. The laser tube cutting machine chuck testing and control device comprises: a control component for generating a trigger signal; a switch control circuit for connecting to the first chuck cylinder and the second chuck cylinder; and a controller connected to the control component and the switch control circuit. The controller is used to control the switch control circuit to close or open according to the trigger signal to control the first chuck cylinder to drive the first chuck to clamp or release, thereby detecting the air pressure of the first chuck cylinder and whether there is any abnormality in the transmission during clamping or releasing; and the controller is used to control the switch control circuit to close or open according to the trigger signal to control the second chuck cylinder to drive the second chuck to clamp or release, thereby detecting the air pressure of the second chuck cylinder and whether there is any abnormality in the transmission during clamping or releasing.

[0007] Secondly, embodiments of the present invention also provide a chuck testing control method for a laser tube cutting machine, applied to a chuck testing control device for a laser tube cutting machine. The chuck testing control device for the laser tube cutting machine is the chuck testing control device for the laser tube cutting machine described in the first aspect above. The method includes: receiving a clamping signal from a first chuck cylinder, controlling the first chuck cylinder to drive the first chuck to clamp and maintain clamping for a first preset time; receiving a releasing signal from a first chuck cylinder, controlling the first chuck cylinder to drive the first chuck to release and maintain releasing for a second preset time; receiving a clamping signal from a second chuck cylinder, controlling the second chuck cylinder to drive the second chuck to clamp and maintain clamping for a third preset time; and receiving a releasing signal from a second chuck cylinder, controlling the second chuck cylinder to drive the second chuck to release and maintain releasing for a fourth preset time.

[0008] Thirdly, embodiments of the present invention also provide a laser tube cutting machine chuck test control system, comprising: a laser tube cutting machine chuck and a laser tube cutting machine chuck test control device, wherein the laser tube cutting machine chuck is connected to the laser tube cutting machine chuck test control device, and the laser tube cutting machine chuck test control device executes the laser tube cutting machine chuck test control method as described in the second aspect to test the laser tube cutting machine chuck.

[0009] The beneficial effects of this invention are as follows: A test control device is designed to perform airtightness testing on the chuck. The test control device includes a controller, a switch control circuit, and a control component. The controller is controlled by the control component. The controller controls the first and second chuck cylinders through the switch control circuit. The user controls the control component, thereby controlling the first and second chuck cylinders to clamp or release the first and second chucks, thus detecting whether the air pressure of the first and second chucks is normal. Therefore, by using the test control device, the chuck can be tested in advance, eliminating the need to wait until the pipe cutting machine is installed and powered on for debugging. Pre-testing the airtightness of the chuck saves significant labor costs, improves production efficiency, reduces after-sales maintenance costs, and enhances reliability. Attached Figure Description

[0010] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 A schematic diagram of the laser tube cutting machine chuck test control device according to an embodiment of the present invention is shown;

[0012] Figure 2 A schematic diagram of the control components of the laser tube cutting machine chuck test control device according to an embodiment of the present invention is shown;

[0013] Figure 3 The flowchart illustrates the steps of the laser tube cutting machine chuck testing and control method according to an embodiment of the present invention.

[0014] Figure 4 A flowchart illustrating the steps of a laser tube cutting machine chuck testing and control method according to another embodiment of the present invention is shown.

[0015] Figure 5 A flowchart illustrating the steps of a laser tube cutting machine chuck testing and control method according to another embodiment of the present invention is shown.

[0016] Figure 6 A flowchart illustrating the steps of a laser tube cutting machine chuck testing and control method according to another embodiment of the present invention is shown.

[0017] Figure 7 A schematic diagram of the electrical control box of the laser tube cutting machine chuck test control device according to an embodiment of the present invention is shown. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0020] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0021] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0022] Reference Figure 1 This invention provides a chuck testing and control device for a laser tube cutting machine, used to test a first chuck mechanism and a second chuck mechanism. The first chuck mechanism includes a first chuck cylinder for controlling the clamping or releasing of the first chuck, and the second chuck mechanism includes a second chuck cylinder for controlling the clamping or releasing of the second chuck. The laser tube cutting machine chuck testing and control device includes: a control component for generating a trigger signal; a switch control circuit for connecting to the first chuck cylinder and the second chuck cylinder; and a controller connected to the control component and the switch control circuit. The controller is used to control the switch control circuit to close or open according to the trigger signal to control the first chuck cylinder to drive the first chuck to clamp or release, thereby detecting the air pressure of the first chuck cylinder and whether there is any abnormality in the transmission during the clamping or releasing process; and the controller is used to control the switch control circuit to close or open according to the trigger signal to control the second chuck cylinder to drive the second chuck to clamp or release, thereby detecting the air pressure of the second chuck cylinder and whether there is any abnormality in the transmission during the clamping or releasing process.

[0023] Specifically, the first chuck has a clamping air path for controlling clamping and a releasing air path for controlling releasing. The first chuck also has a pressure-holding valve, which maintains a constant air pressure in the air path. Therefore, during testing, only a short period of air supply is needed, followed by observation of whether the clamping or releasing action of the first chuck is complete. If it is complete, it indicates that the current air pressure is normal and there is no leakage; if it is not complete, it indicates that the current air pressure is abnormal and there is a leakage. Similarly, the second chuck has the same structure and uses the same method to detect air pressure, which will not be described further here.

[0024] By implementing this embodiment, the incoming material to the chuck can be inspected in advance, eliminating the need to wait until the pipe cutting machine is installed and powered on for testing. Testing can be performed directly on the test control device after the chuck is installed, verifying the airtightness of the chuck's air circuit and identifying and resolving various issues with the incoming material early on. The chuck is easily installed and removed from the test control device, saving significant labor costs and improving work efficiency. Pre-testing the airtightness of the chuck prevents changes in machining accuracy due to aging at the customer's site, which could affect equipment precision, reducing after-sales maintenance costs. It also accelerates equipment commissioning, ensuring quality and quantity, and laying the foundation for mass production of the pipe cutting machine.

[0025] In other embodiments, the laser tube cutting machine chuck test control device also performs aging tests on the motor that drives the chuck to rotate. Aging testing refers to the process of conducting experiments under enhanced conditions to simulate the aging of equipment caused by various factors encountered in real-world use. In this embodiment, aging testing is achieved by testing the operation of the motor and cylinder.

[0026] The first chuck mechanism further includes a first chuck motor for controlling the forward or reverse rotation of the first chuck, and the second chuck mechanism further includes a second chuck motor for controlling the forward or reverse rotation of the second chuck. Specifically, the laser tube cutting machine chuck testing control device further includes: a first chuck servo driver connected to the controller, the first chuck servo driver being used to connect to the first chuck motor; a second chuck servo driver connected to the controller, the second chuck servo driver being used to connect to the second chuck motor; the controller is also used to control the first chuck motor to rotate forward or reverse according to a trigger signal to detect whether the movement of the first chuck is abnormal; and the controller is also used to control the second chuck motor to rotate forward or reverse according to a trigger signal to detect whether the movement of the second chuck is abnormal.

[0027] A servo drive, also known as a servo controller or servo amplifier, is a controller used to control servo motors. Its function is similar to that of a frequency converter for a regular AC motor, and it is part of a servo system, primarily used in high-precision positioning systems. Generally, it controls the servo motor through position, speed, and torque to achieve high-precision transmission system positioning. In this embodiment, a servo drive is used to control the forward or reverse rotation of the first and second chuck motors. When the first chuck motor is driven to rotate forward, the first chuck rotates forward. This action can detect whether there are abnormal noises in the forward transmission of the first chuck gears, and whether there is interference in the forward movement of the first chuck. If abnormal noises are present, it indicates that there is interference in the forward movement of the first chuck, indicating an abnormality that requires repair; if there are no abnormal noises, it indicates that the forward movement of the first chuck is normal. Similarly, when the motor driving the first chuck reverses, the first chuck rotates in reverse. This action can detect whether there are abnormal noises in the reverse gear transmission of the first chuck, and whether there is any interference in the reverse movement of the first chuck. If there are abnormal noises, it indicates that there is interference in the reverse movement of the first chuck, which is abnormal and requires maintenance; if there are no abnormal noises, it indicates that the reverse movement of the first chuck is normal. In addition, the detection method for the second chuck is the same as that for the first chuck, and will not be described again here.

[0028] In one embodiment, reference is made to Figure 1 The switch control circuit includes: a first chuck clamping relay, a first chuck releasing relay, a second chuck clamping relay, a second chuck releasing relay, a first chuck solenoid valve, and a second chuck solenoid valve. The first chuck clamping relay, the first chuck releasing relay, the second chuck clamping relay, and the second chuck releasing relay are all connected to the controller. The first chuck clamping relay and the first chuck releasing relay are both connected to the first chuck solenoid valve. The second chuck clamping relay and the second chuck releasing relay are both connected to the second chuck solenoid valve. The first chuck solenoid valve is used to connect to the first chuck cylinder, and the second chuck solenoid valve is used to connect to the second chuck cylinder.

[0029] This embodiment controls the first and second chuck cylinders using a combination of relays and solenoid valves. Each chuck cylinder is equipped with a clamping relay and a releasing relay. When the relays are energized, they output power to control the solenoid valve, which in turn controls the cylinder to clamp or release the chuck. Specifically, the controller outputs a control signal to the relay for a certain period, energizing the relay and maintaining the solenoid valve's operation. Once the relay output signal reaches the controller's set time, it stops outputting the signal. During this time, because the chuck has a gas-holding function, the cylinders can provide sufficient air pressure to maintain the chuck's air pressure at a normal value, thus sustaining the clamping or releasing action. That is, the chuck can clamp in place and maintain the position for a period of time, or the chuck can unfold and maintain the position for a period of time. If, during this period, the chuck's clamping action becomes loose and cannot stably clamp the pipe, it indicates that the cylinder's air pressure is not maintaining a normal value, indicating an abnormality and insufficient air pressure. This suggests an air leak in the chuck's air circuit, requiring repair. If the chuck's clamping action remains in place within this time period, it indicates that the air pressure in the chuck cylinder is normal. Similarly, if the chuck's releasing action deforms within this time period and fails to fully release the pipe, it indicates that the cylinder's air pressure is abnormal and cannot provide sufficient air pressure, suggesting a leak in the chuck's air circuit. The chuck needs to be inspected and repaired. If the chuck's releasing action remains in place within this time period, it indicates that the air pressure in the chuck cylinder is normal.

[0030] Specifically, in this embodiment, the controller is a PLC, and the solenoid valve is a three-position five-way solenoid valve. The three-position five-way solenoid valve is connected to the air source and to the chuck through an air pipe. When it is turned on, the cylinder drives the chuck to move. Of course, it can be understood that other switching elements can also be used.

[0031] In other embodiments, the air pressure of the first chuck cylinder and the second chuck cylinder can also be detected by other means. For example, an air pressure sensor can be installed in the air circuit of the first chuck and the second chuck to detect the current real-time air pressure value. The detected air pressure value is compared with a preset normal value. If it is lower than the preset normal value, it indicates that the air pressure of the chuck cylinder is abnormal and there is an air leak. The chuck needs to be repaired.

[0032] In one embodiment, reference is made to Figure 2The control components include buttons for forward rotation of the first chuck motor, reverse rotation of the first chuck motor, clamping of the first chuck cylinder, forward rotation of the second chuck motor, reverse rotation of the second chuck motor, and clamping of the second chuck cylinder. These control components are located on the control panel of the test control device. Each button triggers a different control signal, correspondingly controlling the chuck motor or chuck cylinder to perform different actions, thereby achieving the test. The button trigger generates a control signal; the controller energizes the corresponding relay based on the different control signals, which in turn controls the solenoid valve to actuate, thus driving the chuck to perform the corresponding action. In other words, the user can arbitrarily control the chuck by operating these buttons to perform the test; simply put, it's a manual mode test. Specifically, the control actions corresponding to each button are as follows:

[0033] The first chuck motor forward rotation button is used to trigger the first chuck motor forward rotation signal to control the first chuck motor to rotate forward; the first chuck motor reverse rotation button is used to trigger the first chuck motor reverse rotation signal to control the first chuck motor to rotate in reverse; the first chuck cylinder clamping button is used to trigger the first chuck cylinder clamping signal to control the first chuck to clamp, and is also used to trigger the first chuck cylinder release signal to control the first chuck to release; the second chuck motor forward rotation button is used to trigger the second chuck motor forward rotation signal to control the second chuck motor to rotate forward; the second chuck motor reverse rotation button is used to trigger the second chuck motor reverse rotation signal to control the second chuck motor to rotate in reverse; the second chuck cylinder clamping button is used to trigger the second chuck cylinder clamping signal to control the second chuck to clamp, and is also used to trigger the second chuck cylinder release signal to control the second chuck to release.

[0034] It should be noted that in this embodiment, pressing the first or second chuck cylinder clamping button for the first time controls the cylinder to drive the chuck to clamp, and pressing it again controls the cylinder to drive the chuck to release. Both clamping and releasing actions are triggered by the same button, and the actions are achieved with different pressing sequences.

[0035] By implementing this embodiment, after the chuck is installed, a preliminary inspection of the incoming material can be performed. This manual inspection involves segmented testing of the chuck structure and air circuit to identify problems in each stage. For example, clicking the "First Chuck Clamping" button on the control panel only activates the clamping function for the first chuck. Pressing the "First Chuck Forward Rotation" button will slowly rotate the chuck motor forward. Releasing the button will stop operation. During the initial operation, the structural condition is uncertain; slow, intermittent operation can detect chuck rotation interference issues. The slow speed prevents easy damage to the chuck. Furthermore, during the initial chuck rotation, the intermittent button can be released at any time to stop the motor operation if abnormal noises or problems are detected. Therefore, step-by-step operation of all manual buttons in manual mode effectively and accurately identifies abnormalities in each stage. Based on the identified abnormalities, problem-solving is performed. Only after the manual mode test is completed and all stages are error-free can the subsequent automatic operation mode begin, initiating the aging test.

[0036] In one embodiment, continue to refer to Figure 2 The control component also includes a first chuck start button, a first chuck stop button, a second chuck start button, and a second chuck stop button. The control component in this embodiment also includes a button for triggering testing of the first chuck motor and first chuck cylinder or the second chuck motor and second chuck cylinder in an automatic model. Testing in the automatic model is performed by controlling the chuck motor and chuck cylinder to operate according to preset control actions. Specifically, the first preset control action controls the first chuck motor and first chuck cylinder to perform a series of actions according to a predetermined action sequence and / or action time, and the second preset control action controls the second chuck motor and second chuck cylinder to perform a series of actions according to a predetermined action sequence and / or action time. The first preset control action and the second preset control action can be the same action or different actions.

[0037] Specifically, the first chuck start button is used to trigger the first chuck automatic operation signal to control the first chuck motor and the first chuck cylinder to operate according to the first preset control action; the first chuck stop button is used to trigger the first chuck stop operation signal to control the first chuck motor and the first chuck cylinder to stop operating; the second chuck start button is used to trigger the second chuck automatic operation signal to control the second chuck motor and the second chuck cylinder to operate according to the second preset control action; the second chuck stop button is used to trigger the second chuck stop operation signal to control the second chuck motor and the second chuck cylinder to stop operating.

[0038] By implementing this embodiment, the chuck installation is completed. Since there are many uncertainties surrounding the chuck, it is necessary to first conduct step-by-step testing in manual mode to check for any abnormalities or defects in each part. Manual mode involves gentle movement, while in automatic mode, the chuck runs too fast. If the chuck has an initial abnormality, directly running automatic mode can easily damage it, affecting its accuracy. The chuck is a core component of the pipe cutting machine, and its accuracy is extremely important. Automatic mode operation can only proceed after manual testing is completed. In automatic mode, the test control device continuously cycles through N hours (24 hours) according to the preset control actions. This automatic cycle ages all chuck structures and tests their structural stability during the aging process. Only after the automatic mode operation is completed and the chuck shows no abnormalities can it be stored and used in production, ensuring the reliability of the chuck operation and completing the chuck testing ahead of schedule, reducing unnecessary after-sales costs.

[0039] Reference Figure 3 This invention also provides a laser tube cutting machine chuck testing and control method, applied to a laser tube cutting machine chuck testing and control device. The laser tube cutting machine chuck testing and control device is the same as the laser tube cutting machine chuck testing and control device described in the above embodiments. The method includes:

[0040] S1: Receive the clamping signal from the first chuck cylinder, and control the first chuck cylinder to drive the first chuck to clamp and continue for a first preset time.

[0041] Specifically, when the user presses the clamping button of the first chuck cylinder, the clamping signal of the first chuck cylinder is triggered. The controller controls the clamping relay of the first chuck cylinder to be energized according to the clamping signal of the first chuck cylinder and maintains it for a first preset time. The clamping relay of the first chuck controls the solenoid valve to act, and then the first chuck cylinder drives the first chuck to perform the clamping action. The system detects whether the clamping action of the first chuck is completed within the first preset time. If it is not completed, it indicates that there is an air leak and maintenance is required.

[0042] S2: Receive the first chuck cylinder release signal, control the first chuck cylinder to drive the first chuck to release and continue for a second preset time.

[0043] Specifically, when the user presses the clamping button of the first chuck cylinder again, it triggers the release signal of the first chuck cylinder. The controller controls the first chuck release relay to be energized according to the release signal of the first chuck cylinder and continues for a second preset time. The first chuck release relay controls the solenoid valve to act, and then the first chuck cylinder drives the first chuck to perform the release action. It is detected whether the release action of the first chuck is completed within the second preset time. If it is not completed, it indicates that there is an air leak and maintenance is required.

[0044] S3: Receive the clamping signal from the second chuck cylinder, control the second chuck cylinder to drive the second chuck to clamp and continue for a third preset time.

[0045] S4: Receive the second chuck cylinder release signal, control the second chuck cylinder to drive the second chuck to release and continue for a fourth preset time.

[0046] Specifically, the second chuck is driven by the cylinder to clamp or release in the same way as the first chuck, and will not be described again here. It should be noted that the first, second, third, and fourth preset times can be the same, for example, 3 seconds, or they can be different, depending on the actual needs.

[0047] In one embodiment, reference is made to Figure 4 The laser tube cutting machine chuck test control method also includes: S5-S8.

[0048] S5. Receive the forward rotation signal of the first chuck motor and control the first chuck motor to rotate forward.

[0049] Specifically, when the user presses the forward rotation button of the first chuck motor, the first chuck motor is triggered to rotate forward. The controller sends a forward rotation command to the first chuck motor servo driver based on the first chuck motor forward rotation signal. The first chuck servo driver then drives the first chuck motor to rotate forward. The controller detects whether there is any abnormal noise during the forward rotation of the first chuck. If there is abnormal noise, it means that the first chuck is encountering interference during the forward rotation and needs to be repaired.

[0050] S6. Receive the first chuck motor reverse signal and control the first chuck motor to reverse.

[0051] Specifically, when the user presses the reverse button of the first chuck motor, the reverse signal of the first chuck motor is triggered. The controller sends a reverse command to the first chuck motor servo driver according to the reverse signal of the first chuck motor. Then the first chuck servo driver drives the first chuck motor to reverse. The controller detects whether there is any abnormal noise during the reverse process of the first chuck. If there is abnormal noise, it means that the first chuck has encountered interference during the reverse process and needs to be repaired.

[0052] S7. Receive the forward rotation signal of the second chuck motor and control the second chuck motor to rotate forward.

[0053] S8. Receive the second chuck motor reverse signal and control the second chuck motor to reverse.

[0054] Specifically, the control method of the second chuck motor is the same as that of the first chuck, and will not be repeated here. In addition, it should be noted that there is no restriction on the execution order of S1-S8 in the laser tube cutting machine chuck test control method, and the actions can be executed out of order.

[0055] In this embodiment, upon receiving a first chuck automatic operation signal, the system controls the first chuck motor and the first chuck cylinder to operate according to a first preset control action. Upon receiving a second chuck automatic operation signal, the system controls the second chuck motor and the second chuck cylinder to operate according to a second preset control action.

[0056] Specifically, when the user presses the start button for the first chuck, it triggers an automatic operation signal for the first chuck. The controller, according to a first preset control action, controls the servo start controller and relays to execute corresponding actions, which in turn control the first chuck motor and first chuck cylinder to perform corresponding actions. The first chuck motor and first chuck cylinder continuously cycle through the first preset control actions, thus enabling aging tests on the first chuck. Similarly, the second chuck motor and second chuck cylinder operate according to a second preset control action, with the specific process being the same as for the first chuck, and will not be described again here.

[0057] It should be noted that there are many possible control flows for the first and second preset control actions, and the specific flow depends on the actual requirements. (Refer to...) Figure 5 The first preset control action in this embodiment is as follows: S21-S26.

[0058] S21. Control the first chuck motor to rotate forward for the first preset number of revolutions.

[0059] S22, Control the first chuck cylinder to drive the first chuck to clamp for a first preset time.

[0060] S23, Control the first chuck cylinder to drive the first chuck to release the second preset time.

[0061] S24. Control the first chuck motor to reverse the second preset number of revolutions.

[0062] S25. Control the first chuck cylinder to drive the first chuck to clamp for a first preset time.

[0063] S26. Control the first chuck cylinder to drive the first chuck to release for a second preset time.

[0064] Return to the execution control, rotate the first chuck motor forward for the first preset number of revolutions, and cycle until it stops after the fifth preset time.

[0065] Specifically, the fifth preset time refers to the aging test time of the first chuck, for example, 24 hours, and the test ends after 24 hours of cyclic testing. One action flow cycle in this embodiment includes forward rotation - clamping - releasing - reverse rotation - clamping - releasing - forward rotation, which constitutes one cycle. This embodiment controls the start and stop of the automatic mode by the running time; however, it is understood that it can also be controlled by the number of cycles, for example, 1000 cycles.

[0066] Reference Figure 6The second preset control action in this embodiment is as follows: S31-S36.

[0067] S31. Control the second chuck motor to rotate forward a second preset number of revolutions.

[0068] S32, Control the second chuck cylinder to drive the second chuck to clamp the second preset time.

[0069] S33, Control the second chuck cylinder to drive the second chuck to release the second preset time.

[0070] S34. Control the second chuck motor to reverse the second preset number of revolutions.

[0071] S35, Control the second chuck cylinder to drive the second chuck to clamp the second preset time.

[0072] S36, Control the second chuck cylinder to drive the second chuck to release the second preset time.

[0073] Return to the execution control, the second chuck motor rotates forward for the second preset number of revolutions until the cycle reaches the sixth preset time and then stops.

[0074] Specifically, the sixth preset time refers to the time for the second chuck aging test, for example, 24 hours, which ends after 24 hours of cyclic testing.

[0075] By repeatedly performing the above actions, the aging test is completed. After aging, the chuck is stored in the warehouse. Before installation, the chuck undergoes aging testing to prevent it from aging during on-site production at the customer's location, which could affect its coaxiality and cutting quality. This reduces the need for repeated chuck disassembly and reassembly on the equipment, preventing damage to the equipment's appearance and components. It also significantly reduces the difficulty of disassembling and assembling the chuck on the pipe cutting test control device. Chuck installation and coaxial alignment are meticulous tasks; aging before installation ensures the cutting quality of the pipe cutter, stabilizes the equipment's processing accuracy, reduces production labor costs, and minimizes unnecessary after-sales costs.

[0076] This invention also provides a laser tube cutting machine chuck testing and control system, including: a laser tube cutting machine chuck and a laser tube cutting machine chuck testing and control device. The laser tube cutting machine chuck is connected to the laser tube cutting machine chuck testing and control device, and the laser tube cutting machine chuck testing and control device executes the laser tube cutting machine chuck testing and control method as described in the above embodiments to test the laser tube cutting machine chuck. In this embodiment, the laser tube cutting machine chuck testing and control device is the same as the laser tube cutting machine chuck testing and control device described in the above embodiments.

[0077] Reference Figure 7The laser tube cutting machine chuck testing and control device of this embodiment includes an electrical control box 100, in which circuit components are installed. The electrical control box 100 is also equipped with an alarm light assembly, which is connected to the controller via a relay. When the first or second chuck malfunctions, the controller controls the alarm light assembly to flash an alarm.

[0078] The laser tube cutting machine chuck test control system of this embodiment allows for manual or automatic testing of the laser tube cutting machine chuck. It enables pre-testing of incoming chuck materials, eliminating the need to wait until the tube cutting machine is installed and powered on for debugging. Testing and aging can be performed on the chuck itself during installation on the chuck test control device, allowing for early detection and resolution of various issues with incoming chuck materials, saving significant labor costs and improving production efficiency.

[0079] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A chuck testing and control device for a laser tube cutting machine, used to test a first chuck mechanism and a second chuck mechanism, wherein the first chuck mechanism includes a first chuck cylinder for controlling the clamping or loosening of the first chuck, and the second chuck mechanism includes a second chuck cylinder for controlling the clamping or loosening of the second chuck, characterized in that... The laser tube cutting machine chuck testing and control device includes: Control components are used to generate trigger signals; A switch control circuit is used to connect to the first chuck cylinder and the second chuck cylinder; A controller, connected to the control component and the switch control circuit, is configured to control the switch control circuit to close or open according to the trigger signal to control the first chuck cylinder to drive the first chuck to clamp or release, thereby detecting the air pressure of the first chuck cylinder and whether there is any abnormality in the transmission during the clamping or releasing process; and the controller is configured to control the switch control circuit to close or open according to the trigger signal to control the second chuck cylinder to drive the second chuck to clamp or release, thereby detecting the air pressure of the second chuck cylinder and whether there is any abnormality in the transmission during the clamping or releasing process; The first chuck and the second chuck have a clamping air passage for controlling clamping and a releasing air passage for controlling releasing. During testing, supply air to the air circuit for a short time and observe whether the clamping or releasing action of the first chuck is in place.

2. The laser tube cutting machine chuck testing and control device according to claim 1, wherein the first chuck mechanism further includes a first chuck motor for controlling the first chuck to rotate forward or backward, and the second chuck mechanism further includes a second chuck motor for controlling the second chuck to rotate forward or backward, characterized in that, The laser tube cutting machine chuck testing and control device also includes: A first chuck servo driver is connected to the controller, and the first chuck servo driver is used to connect to the first chuck motor; The second chuck servo driver is connected to the controller, and the second chuck servo driver is used to connect to the second chuck motor; The controller is further configured to control the first chuck motor to rotate forward or reverse according to the trigger signal via the first chuck servo driver to detect whether the movement of the first chuck is abnormal; and the controller is further configured to control the second chuck motor to rotate forward or reverse according to the trigger signal via the second chuck servo driver to detect whether the movement of the second chuck is abnormal.

3. The laser tube cutting machine chuck testing and control device according to claim 2, characterized in that, The switch control circuit includes: a first chuck clamping relay, a first chuck releasing relay, a second chuck clamping relay, a second chuck releasing relay, a first chuck solenoid valve, and a second chuck solenoid valve. The first chuck clamping relay, the first chuck releasing relay, the second chuck clamping relay, and the second chuck releasing relay are all connected to the controller. The first chuck clamping relay and the first chuck releasing relay are both connected to the first chuck solenoid valve. The second chuck clamping relay and the second chuck releasing relay are both connected to the second chuck solenoid valve. The first chuck solenoid valve is used to connect to the first chuck cylinder, and the second chuck solenoid valve is used to connect to the second chuck cylinder.

4. The laser tube cutting machine chuck testing and control device according to claim 3, characterized in that, The control components include a first chuck motor forward rotation button, a first chuck motor reverse rotation button, a first chuck cylinder clamping button, a second chuck motor forward rotation button, a second chuck motor reverse rotation button, and a second chuck cylinder clamping button; The first chuck motor forward rotation button is used to trigger the first chuck motor forward rotation signal to control the first chuck motor to rotate forward; The first chuck motor reverse button is used to trigger the first chuck motor reverse signal to control the first chuck motor to reverse; The first chuck cylinder clamping button is used to trigger the first chuck cylinder clamping signal to control the first chuck clamping, and to trigger the first chuck cylinder release signal to control the first chuck release; The second chuck motor forward rotation button is used to trigger the second chuck motor forward rotation signal to control the second chuck motor to rotate forward; The second chuck motor reverse button is used to trigger the second chuck motor reverse signal to control the second chuck motor to reverse. The second chuck cylinder clamping button is used to trigger the second chuck cylinder clamping signal to control the second chuck clamping, and to trigger the second chuck cylinder release signal to control the second chuck release.

5. The laser tube cutting machine chuck testing and control device according to claim 4, characterized in that, The control components also include a first chuck start button, a first chuck stop button, a second chuck start button, and a second chuck stop button; The first chuck start button is used to trigger the first chuck automatic operation signal to control the first chuck motor and the first chuck cylinder to operate according to the first preset control action; The first chuck stop button is used to trigger the first chuck stop signal to control the first chuck motor and the first chuck cylinder to stop running. The second chuck start button is used to trigger the second chuck automatic operation signal to control the second chuck motor and the second chuck cylinder to operate according to the second preset control action; The second chuck stop button is used to trigger the second chuck stop signal to control the second chuck motor and the second chuck cylinder to stop running.

6. A method for testing and controlling the chuck of a laser tube cutting machine, characterized in that, A method for testing and controlling a chuck for a laser tube cutting machine, wherein the laser tube cutting machine chuck testing and control device is the laser tube cutting machine chuck testing and control device according to any one of claims 2-5, includes: Receive the clamping signal from the first chuck cylinder, and control the first chuck cylinder to drive the first chuck to clamp and continue for a first preset time; Receive the first chuck cylinder release signal, control the first chuck cylinder to drive the first chuck to release and continue for a second preset time; Receive the clamping signal from the second chuck cylinder, control the second chuck cylinder to drive the second chuck to clamp and continue for a third preset time; Upon receiving the signal for the second chuck cylinder to release, control the second chuck cylinder to drive the second chuck to release and continue for a fourth preset time.

7. The laser tube cutting machine chuck testing and control method according to claim 6, characterized in that, The method further includes: Receive the forward rotation signal of the first chuck motor and control the first chuck motor to rotate forward; Receive the reverse rotation signal of the first chuck motor and control the first chuck motor to reverse; Receive the forward rotation signal of the second chuck motor and control the second chuck motor to rotate forward; Receive the reverse signal of the second chuck motor and control the second chuck motor to reverse.

8. The laser tube cutting machine chuck testing and control method according to claim 7, characterized in that, Receive the first chuck automatic operation signal and control the first chuck motor and the first chuck cylinder to operate according to the first preset control action; Upon receiving the automatic operation signal of the second chuck, the second chuck motor and the second chuck cylinder are controlled to operate according to the second preset control action.

9. The laser tube cutting machine chuck testing and control method according to claim 8, characterized in that, The first preset control action includes: The system controls the first chuck motor to rotate forward a first preset number of revolutions, controls the first chuck cylinder to drive the first chuck to clamp for a first preset time, controls the first chuck cylinder to drive the first chuck to release for a second preset time, controls the first chuck motor to rotate backward a second preset number of revolutions, controls the first chuck cylinder to drive the first chuck to clamp for a first preset time, controls the first chuck cylinder to drive the first chuck to release for a second preset time, and then returns to the previous operation of controlling the first chuck motor to rotate forward a first preset number of revolutions, and repeats this cycle until it reaches the fifth preset time and then stops. The second preset control action includes: controlling the second chuck motor to rotate forward a second preset number of revolutions, controlling the second chuck cylinder to drive the second chuck to clamp for a second preset time, controlling the second chuck cylinder to drive the second chuck to release for a second preset time, controlling the second chuck motor to rotate backward a second preset number of revolutions, controlling the second chuck cylinder to drive the second chuck to clamp for a second preset time, controlling the second chuck cylinder to drive the second chuck to release for a second preset time, and returning to the operation of controlling the second chuck motor to rotate forward a second preset number of revolutions until the cycle reaches the sixth preset time and then stops.

10. A chuck testing and control system for a laser tube cutting machine, characterized in that, include: A laser tube cutting machine chuck and a laser tube cutting machine chuck test control device, wherein the laser tube cutting machine chuck is connected to the laser tube cutting machine chuck test control device, and the laser tube cutting machine chuck test control device executes the laser tube cutting machine chuck test control method as described in any one of claims 6-9 to test the laser tube cutting machine chuck.

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