Highly automated butt welding test equipment and test method for steel cord

Abstract

The present invention discloses a high-automatic butt welding test equipment for steel cord and a test method thereof, which relates to the technical field of steel cord, and comprises a butt welding test equipment body, wherein a mounting base plate is installed inside the butt welding test equipment body, and the mounting base plate is used to sequentially separate the butt welding test equipment body into a working area and a collection area from top to bottom, and mechanical arms are installed on the inner walls of both sides of the butt welding test equipment body. The present invention firstly uses a high-resolution camera to capture an image of a steel cord, including physical characteristics such as the diameter, length, and shape of the steel cord, and then uses image recognition technology to analyze the characteristics of the steel cord, thereby determining the type and specification of the steel cord, and selecting welding parameters and test parameters that match the identified type and specification of the steel cord, and then the control system automatically adjusts various settings of the equipment to adapt to the current welding and testing tasks, thereby simplifying manual operation and improving the working efficiency and operation accuracy of steel cord welding.

Description

Technical Field

[0001] The invention relates to the technical field of steel cords, in particular to highly automated butt welding testing equipment for steel cords and a testing method thereof. Background Art

[0002] Steel cord is an important skeleton material used to reinforce rubber products such as tires. Its role in the tire is to bear the load, maintain the shape of the tire, and resist external impact and puncture. Existing steel cord welding equipment is difficult to pre-identify the specifications of the steel cord, resulting in the equipment being difficult to be compatible with the welding and testing of various steel cords.

[0003] The defects of the existing high-automation butt welding test equipment for steel cord are:

[0004] 1. Patent document RU0002795777C2 discloses a steel cord welding rod and a related welding machine, which mainly considers how to establish a good electrical contact between the electrode and the steel wire rope, but does not consider how to automatically adjust the type and specification of the steel cord to improve the compatibility of the equipment;

[0005] 2. Patent document CN108326459B discloses an intelligent steel cord welding machine and its working method. It mainly considers how to use sensor technology and microcomputer control to complete the bending, stretching and diameter detection of steel cord welding points in one clamping, avoid missed detection, and improve the welding point qualification rate, but does not consider how to ensure the stability of the equipment working environment and ensure the safety of the equipment;

[0006] 3. Patent document CN105312766B discloses a laser welding device and method for steel cords, which mainly considers how to significantly improve the accuracy of the steel cord welding process and avoid the problem of difficult-to-guarantee welding quality caused by conventional manual welding, but does not consider how to directly test after welding, achieve high automation, and improve the welding efficiency of steel cords;

[0007] 4. Patent document CN221350945U discloses a safety detection device for steel cord welding points. It mainly considers how to provide protection during the detection process to avoid injuring the detection personnel after the steel cord breaks, thereby improving the safety of the detection, but does not consider how to quickly clean up the residue in the working area and reduce manual operations. Summary of the invention

[0008] The object of the present invention is to provide a highly automated butt welding test device for steel cord and a test method thereof, so as to solve the problems raised in the above background technology.

[0009] To achieve the above object, the present invention provides the following technical solutions: a highly automated butt welding test equipment for steel cords, comprising a butt welding test equipment body, a mounting base plate is installed inside the butt welding test equipment body, and the mounting base plate is used to separate the butt welding test equipment body from top to bottom into a working area and a collection area, both sides of the butt welding test equipment body are installed with mechanical arms, and the mechanical arms are located above the mounting base plate, and the output end of the mechanical arm is installed with a gripping assembly, and the gripping assembly is used to clamp the steel cord to be processed;

[0010] A controller is installed on the top of the main body of the butt welding test equipment. The controller is equipped with a control system. The control system includes a microprocessor module and a recognition module. The recognition module captures the image of the steel cord on the gripping assembly through a high-resolution camera installed on the rear wall of the main body of the butt welding test equipment, and uses image recognition technology to determine the type and specification of the steel cord. The microprocessor module automatically adjusts the welding parameters and test parameters of the equipment according to the recognition results.

[0011] Preferably, the control system also includes a condition module and a user interface. The condition module uses a temperature and humidity sensor installed on the top of the welding test equipment body to detect the working environment of the equipment and determine whether the working environment meets the activation conditions. The user interface displays the judgment result of the condition module through a display screen installed on the top of the controller.

[0012] Preferably, the gripping assembly includes a connecting block 1 installed at the output end of the robotic arm, a micro motor 2 and a guide rod 2 are installed inside the connecting block 1, and the guide rod 2 is located above the micro motor 2, a bidirectional screw rod 2 is installed at the output end of the micro motor 2, and two groups of clamping fingers are sleeved on the outer surfaces of the bidirectional screw rod 2 and the guide rod 2, and tension sensors are installed on the opposite surfaces of the two groups of clamping fingers, and the tension sensors are electrically connected to the controller.

[0013] Preferably, a vertical partition is installed inside the main body of the butt-welding test equipment, and the vertical partition is located below the installation base plate, the vertical partition divides the collection area into a storage area and a sundries storage bin from left to right, the bottom wall of the sundries storage bin is installed with an inverted L-shaped filter and a small vibration motor, the small vibration motor is located between the inverted L-shaped filter and the vertical partition, a suction pump is installed on the bottom wall of the storage area, an exhaust pipe is installed on the input end of the suction pump, a cover plate filter is installed on one end of the exhaust pipe through a thread, and the cover plate filter is located between the inverted L-shaped filter and the vertical partition, an air outlet pipe is installed on the output end of the suction pump, a suction head is installed on the back wall of the main body of the butt-welding test equipment, and the suction head is located between the installation base plate and the high-resolution camera 1.

[0014] Preferably, an electric telescopic rod 1 is installed on the back wall of the butt welding test equipment body, and the electric telescopic rod 1 is located between two groups of high-resolution cameras 1, welding electrodes are installed on the output end of the electric telescopic rod 1 and the front wall of the butt welding test equipment body, and the positions of the two groups of welding electrodes correspond to each other, two groups of melting head devices are installed on the back wall of the butt welding test equipment body, and the melting head devices are located on one side of the high-resolution camera 1, and two groups of grinding wheel machine grinding devices are installed on the bottom wall of the mounting base plate, and the grinding wheel machine grinding device is located at the lower front of the melting head device.

[0015] Preferably, a box cover is movably installed on the top of the main body of the butt welding test equipment through a hinge, and the box cover is located in front of the controller and the temperature and humidity sensor, and a high-resolution camera 2 and an electric telescopic rod 3 are installed at the bottom of the box cover, and the electric telescopic rod 3 is located on one side of the high-resolution camera 2, and a cleaning soft brush is installed at the output end of the electric telescopic rod 3, and an electric telescopic rod 2 is installed on the front wall of the main body of the butt welding test equipment, and a connecting block 2 is installed at the output end of the electric telescopic rod 2, and a micro motor 1 and a guide rod 1 are installed on the inner wall of the connecting block 2, and the guide rod 1 is located on one side of the micro motor 1, and a bidirectional screw rod 1 is installed at the output end of the micro motor 1, and two sets of tempering fixtures are sleeved on the outer surfaces of the bidirectional screw rod 1 and the guide rod 1, and the tempering fixture corresponds to the position of the high-resolution camera 1.

[0016] Preferably, micro motor three is embedded and installed on the inner walls on both sides of the main body of the butt welding test equipment, a placement tube is installed on the output end of the micro motor three, a limiting cap is installed on one end of the placement tube through a thread, and lead wire blocks are installed on the inner walls on both sides of the main body of the butt welding test equipment, and the lead wire blocks are located in front of the micro motor three.

[0017] Preferably, a storage battery is embedded in the interior of the butt-welding test equipment body, and the storage battery is located behind the collection area. A power interface is installed on the back of the butt-welding test equipment body, and the power interface is used to supply power to the storage battery. A box door is movably installed on the front of the butt-welding test equipment body through a hinge, and the box door corresponds to the position of the collection area. A button area is installed on the top of the controller, and the button area is located on one side of the display screen.

[0018] Preferably, the test method for the steel cord butt welding is as follows:

[0019] Step S1, first fix two sections of steel cord on the gripping assembly respectively, and then use the melting head device and the grinding wheel machine grinding device to process the ends of the steel cord;

[0020] Step S2: The high-resolution camera 1 automatically identifies the type and specification of the steel cord, automatically adjusts the welding and testing parameters, and then performs welding and tempering operations on the steel cord;

[0021] Step S3: After welding is completed, two sets of grippers are clamped at both ends of the weld, and the welded steel cord is subjected to pulling and bending tests by changing the position of the robotic arm;

[0022] Step S4, finally start the suction pump to suck the ash on the installation bottom plate into the debris storage bin.

[0023] Preferably, in step S2, the following steps are also included:

[0024] Step S21, welding the steel cord using a welding electrode, and then moving the weld of the steel cord between two sets of tempering clamps and clamping them for tempering operation.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. Before welding, the present invention first uses a high-resolution camera to capture the image of the steel cord, including the diameter, length, shape and other physical characteristics of the steel cord, quickly and accurately collects the size data of the steel cord, and then uses image recognition technology to analyze the characteristics of the steel cord, so as to determine the type and specification of the steel cord. The microprocessor module will call the preset parameter database according to the recognition result, and select the welding parameters and test parameters that match the recognized type and specification of the steel cord. After determining the appropriate parameters, the control system will automatically adjust the various settings of the equipment to adapt to the current welding and testing tasks. By automatically identifying the type and specification of the steel cord and automatically adjusting the parameters, it is helpful to carry out welding and testing efficiently and smoothly, simplifying manual operation, and improving the work efficiency and operation accuracy of steel cord welding.

[0027] 2. Before welding, the present invention also needs to detect the working environment of the equipment and determine whether its working environment meets the enabling conditions. First, the temperature and humidity of the working environment are detected using the temperature and humidity sensors provided on the outside of the welding test equipment body. The condition module will analyze the detected temperature and humidity to determine whether the current working environment meets the enabling conditions. If the enabling conditions are not met, the equipment is prohibited from starting. At the same time, a prompt message will be displayed on the display screen to prompt the operator to manually turn on the surrounding auxiliary equipment, such as a constant temperature and humidity machine, an air purifier, etc., to ensure that the equipment can operate safely and stably to effectively protect the safety of the equipment.

[0028] 3. The gripping assembly of the present invention not only plays a role in fixing the steel cord during the welding process, but also plays an important role in the subsequent testing process. During the testing process, the gripping assembly clamps the steel cord and performs a pulling test on the steel cord under the contraction of the mechanical arm. By gradually applying tension to the steel cord until the tension value reaches a preset value, a high-resolution camera 2 is used to identify whether there is a break at the welding position of the steel cord, and then the two groups of mechanical arms are controlled to change their relative positions to perform a bending test. The positions of the two groups of mechanical arms are offset and controlled to bend the straight steel cord, and a high-resolution camera 2 is used to identify whether there is a break at the welding point during bending, so as to judge whether the welding of the steel cord is qualified. By automatically performing the test operation after welding and automatically judging the welding result, the manual operation steps and time are reduced, a high degree of automation is achieved, the risk of manual omission of the test process is reduced, and the efficiency of steel cord welding is improved.

[0029] 4. The present invention starts the suction pump after welding is completed. The suction pump runs at a high speed to push the air in the debris storage bin to flow to the exhaust pipe, and is discharged from the air outlet pipe after passing through the suction pump, so that the air pressure in the debris storage bin is reduced to form a low-pressure area, and a huge suction force is formed at the suction head, so that the residues scattered on the surface of the installation base plate are sucked into the debris storage bin. However, due to the filtering effect of the inverted L-shaped filter, the residues are left in the debris storage bin, thereby achieving efficient residue cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0031] Figure 2 It is another three-dimensional structural schematic diagram of the present invention;

[0032] Figure 3 It is a front cross-sectional structural schematic diagram of the present invention;

[0033] Figure 4 It is a side cross-sectional structural schematic diagram of the present invention;

[0034] Figure 5 It is a schematic diagram of a top cross-sectional structure of the present invention;

[0035] Figure 6 It is a schematic diagram of the planar structure of the tempering fixture of the present invention;

[0036] Figure 7 It is a schematic diagram of the planar structure of the gripping and clamping assembly of the present invention;

[0037] Figure 8 It is a system diagram of the present invention.

[0038] In the figure: 1. Butt welding test equipment body; 2. Box cover; 3. Controller; 4. Display screen; 5. Keypad; 6. Temperature and humidity sensor; 7. Robotic arm; 8. Connection block 1; 9. High-resolution camera 1; 10. Melting head device; 11. Grinding device for grinding wheel machine; 12. Welding electrode; 13. High-resolution camera 2; 14. Electric telescopic rod 1; 15. Electric telescopic rod 2; 16. Connection block 2; 17. Micro motor 1; 18. Guide rod 1; 19. Bidirectional screw rod 1; 20. Tempering fixture; 21. Electric Telescopic rod three; 22. Cleaning soft brush; 23. Box door; 24. Vertical partition; 25. Install bottom plate; 26. Suction head; 27. Inverted L-shaped filter; 28. Small vibration motor; 29. ​​Suction pump; 30. Air outlet duct; 31. Exhaust duct; 32. Cover filter; 33. Micro motor two; 34. Two-way screw rod two; 35. Guide rod two; 36. Clamp finger; 37. Tension sensor; 38. Wire guide block; 39. Micro motor three; 40. Placement tube; 41. Limit cap; 42. Power interface; 43. Storage battery. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] See also Figure 1 , Figure 3 , Figure 4 and Figure 5 , an embodiment provided by the present invention: a highly automated butt welding test equipment for steel cord, comprising a butt welding test equipment body 1, a mounting base plate 25 is installed inside the butt welding test equipment body 1, and the mounting base plate 25 is used to separate the butt welding test equipment body 1 into a working area and a collection area from top to bottom, both sides of the inner wall of the butt welding test equipment body 1 are installed with a mechanical arm 7, and the mechanical arm 7 is located above the mounting base plate 25, and the output end of the mechanical arm 7 is installed with a gripping assembly, and the gripping assembly is used to clamp the steel cord to be processed;

[0043] A controller 3 is installed on the top of the butt welding test equipment body 1. The controller 3 is equipped with a control system. The control system includes a microprocessor module and a recognition module. The recognition module captures the image of the steel cord on the clamping assembly through a high-resolution camera 9 installed on the rear wall of the butt welding test equipment body 1, and uses image recognition technology to determine the type and specification of the steel cord. The microprocessor module automatically adjusts the welding parameters and test parameters of the equipment according to the recognition results.

[0044] Furthermore, the bottom plate 25 is installed to divide the internal space of the welding test equipment body 1 into a working area and a collecting area. The working area is mainly used for welding and testing operations, and the collecting area is used to collect debris and other debris generated after welding. The control system includes an unprocessed module and an identification module. The operator places the steel cord to be processed in the gripping assembly, clamps the gripping assembly, and then starts the equipment. Before welding, a high-resolution camera 9 is used to capture the image of the steel cord, including the diameter, length, shape and other physical characteristics of the steel cord, to quickly and accurately collect the size data of the steel cord, and then use image recognition technology to analyze the characteristics of the steel cord, so as to determine the type and specification of the steel cord. The collected data is then transmitted to the microprocessor module through the line connection. The microprocessor module will call the preset parameter database according to the recognition result, and select the welding parameters and test parameters that match the recognized steel cord type and specification, such as the welding current, welding time, and the position of the two sets of mechanical arms 7 during the test. After determining the appropriate parameters, the control system will automatically adjust the various settings of the equipment to adapt to the current welding and testing tasks. By automatically identifying the type and specification of the steel cord and automatically adjusting the parameters, it helps to carry out welding and testing efficiently and smoothly, simplifies manual operation, and improves the work efficiency and accuracy of steel cord welding.

[0045] See also Figure 1 , Figure 2 and Figure 8An embodiment of the present invention is a highly automated butt welding test device for steel cord, wherein the control system further comprises a condition module and a user interface, wherein the condition module detects the working environment of the device using a temperature and humidity sensor 6 installed on the top of a main body 1 of the butt welding test device, and determines whether the working environment meets the enabling conditions, and the user interface displays the judgment result of the condition module via a display screen 4 installed on the top of a controller 3.

[0046] Furthermore, since the equipment is sensitive to factors such as temperature and humidity in the working environment, it is difficult to achieve stable operation in some areas with extreme climates, and severe equipment failures may occur. Before welding, it is also necessary to detect the working environment of the equipment and determine whether its working environment meets the activation conditions. First, the temperature and humidity of the working environment are detected using the temperature and humidity sensor 6 provided on the outside of the welding test equipment body 1. The condition module will analyze the detected temperature and humidity to determine whether the current working environment meets the activation conditions. If the activation conditions are not met, the equipment is prohibited from starting. At the same time, a prompt message will be displayed on the display screen 4, prompting the operator to manually turn on the surrounding auxiliary equipment, such as a constant temperature and humidity machine, an air purifier, etc., to ensure that the equipment can operate safely and stably. If it is determined that the activation conditions are met, the words "Confirm Start" will be displayed on the display screen 4, prompting the operator to proceed to the next step to effectively protect the safety of the equipment.

[0047] See also Figure 3 , Figure 4 , Figure 5 and Figure 7 An embodiment of the present invention is a highly automated butt welding test device for steel cord, wherein the gripping assembly comprises a connecting block 8 mounted at the output end of a mechanical arm 7, wherein a micro motor 33 and a guide rod 35 are mounted inside the connecting block 8, and the guide rod 35 is located above the micro motor 33, and a bidirectional screw rod 34 is mounted at the output end of the micro motor 33, and two groups of clamping fingers 36 are sleeved on the outer surfaces of the bidirectional screw rod 34 and the guide rod 35, and tension sensors 37 are mounted on the opposite surfaces of the two groups of clamping fingers 36, and the tension sensors 37 are electrically connected to the controller 3.

[0048] Furthermore, the gripping assembly not only fixes the steel cord during the welding process, but also plays an important role in the subsequent testing process. When the operator opens the box cover 2, the steel cord can be directly clamped in the two groups of clamping fingers 36, and ensure that the port of the steel cord extends to a certain length to facilitate subsequent cutting, grinding and welding. During the test, the gripping assembly clamps the steel cord and performs a pulling test on the steel cord under the contraction of the mechanical arm 7. When the steel cord is subjected to tension, the sensing element inside the tension sensor 37 is also subjected to tension and undergoes slight physical changes. These changes are then converted into electrical signals. By gradually applying tension to the steel cord until the tension value reaches a preset value, a high-resolution camera 13 is used to identify whether there is a break at the welding point of the steel cord, and then the two groups of mechanical arms are controlled. 7 changes the relative position to carry out a bending test. Since the positions of the two groups of gripping assemblies are close to the welding points during the test, the positions of the two groups of mechanical arms 7 are offset and controlled to bend the straight steel cord. When bending, a high-resolution camera 13 is used to identify whether the welding point is broken, so as to judge whether the welding of the steel cord is qualified, and the test results are displayed on the display screen 4. The test operation is directly carried out after welding, and the welding result is automatically judged, which reduces the manual operation steps and time, realizes a high degree of automation, reduces the risk of manual omission of the test process, and improves the efficiency of steel cord welding. When detecting the quality of the welding point, an external ultrasonic detector can also use the characteristics of ultrasonic waves propagating and reflecting inside the metal to detect defects inside the weld, realize comprehensive detection, and ensure the quality of the welding point.

[0049] See also Figure 3 , an embodiment of the present invention is: a highly automated butt welding test equipment for steel cord, wherein a vertical partition 24 is installed inside the main body 1 of the butt welding test equipment, and the vertical partition 24 is located below the installation base plate 25, and the vertical partition 24 divides the collection area into a storage area and a sundries storage bin from left to right, and an inverted L-shaped filter screen 27 and a small vibration motor 28 are installed on the bottom wall of the sundries storage bin, and the small vibration motor 28 is located between the inverted L-shaped filter screen 27 and the vertical partition 24, and a suction pump 29 is installed on the bottom wall of the storage area, and an exhaust pipe 31 is installed at the input end of the suction pump 29, and a cover plate filter screen 32 is installed at one end of the exhaust pipe 31 through a thread, and the cover plate filter screen 32 is located between the inverted L-shaped filter screen 27 and the vertical partition 24, and an air outlet pipe 30 is installed at the output end of the suction pump 29, and a suction head 26 is installed on the back wall of the main body 1 of the butt welding test equipment, and the suction head 26 is located between the installation base plate 25 and the high-resolution camera 9.

[0050] Furthermore, the collection area is divided into a storage area and a debris storage bin by a vertical partition 24. The storage area is used to place a suction pump 29. After welding is completed, the suction pump 29 is started. The suction pump 29 is operated at a high speed to push the air in the debris storage bin to flow to the exhaust pipe 31, and the air is discharged from the outlet pipe 30 after passing through the suction pump 29, so that the air pressure in the debris storage bin is reduced to form a low-pressure area, and a huge suction force is formed at the suction head 26, so that the residue scattered on the surface of the installation base plate 25 is sucked into the debris storage bin, but due to the filtering effect of the inverted L-shaped filter 27, the residue is left in the debris storage bin, so that efficient residue cleaning is achieved. At the same time, the inverted L-shaped filter 27 is detachable, so it is convenient to replace a new inverted L-shaped filter 27. In addition, a small vibration motor 28 is in contact with the inverted L-shaped filter 27. The dust and residue adhered to the surface of the inverted L-shaped filter 27 can be shaken off by the vibration of the small vibration motor 28, thereby reducing the probability of blockage of the inverted L-shaped filter 27. A cover filter 32 is threadedly installed at the port of the exhaust pipe 31 to further reduce the residue from entering the suction pump 29 and affecting the normal use of the suction pump 29. After welding is completed, the working area is cleaned to keep the inside of the equipment clean to avoid residues affecting the quality of the next welding, and the working area and debris storage bin are cleaned regularly.

[0051] See also Figure 2 , Figure 3 , Figure 4 and Figure 6 , an embodiment provided by the present invention: a highly automated butt welding test equipment for steel cord, wherein an electric telescopic rod 14 is installed on the back wall of the butt welding test equipment body 1, and the electric telescopic rod 14 is located between two groups of high-resolution cameras 9, and welding electrodes 12 are installed on the output end of the electric telescopic rod 14 and the front wall of the butt welding test equipment body 1, and the positions of the two groups of welding electrodes 12 correspond, and two groups of melting head devices 10 are installed on the back wall of the butt welding test equipment body 1, and the melting head devices 10 are located on one side of the high-resolution camera 9, and two groups of grinding wheel grinding devices 11 are installed on the bottom wall of the installation base plate 25, and the grinding wheel grinding device 11 is located at the lower front of the melting head device 10;

[0052] A box cover 2 is movably installed on the top of the butt welding test equipment body 1 through a hinge, and the box cover 2 is located in front of the controller 3 and the temperature and humidity sensor 6. A high-resolution camera 2 13 and an electric telescopic rod 3 21 are installed at the bottom of the box cover 2. The electric telescopic rod 3 21 is located on one side of the high-resolution camera 2 13, and a cleaning soft brush 22 is installed at the output end of the electric telescopic rod 3 21. An electric telescopic rod 2 15 is installed on the front wall of the butt welding test equipment body 1, and a connecting block 2 16 is installed at the output end of the electric telescopic rod 2 15. A micro motor 17 and a guide rod 18 are installed on the inner wall of the connecting block 2 16. The guide rod 18 is located on one side of the micro motor 17, and a bidirectional screw rod 19 is installed at the output end of the micro motor 17. The outer surfaces of the bidirectional screw rod 19 and the guide rod 18 are sleeved with two sets of tempering fixtures 20, and the tempering fixture 20 corresponds to the position of the high-resolution camera 9.

[0053] Furthermore, the end face of the steel cord to be welded is firstly melted by the melting head device 10, so that the welding head of the steel cord is not loose, the size is uniform and the head shape is consistent, thereby greatly improving the welding success rate and the quality of the weld point. After melting the head, the oxide layer on the surface of the head of the steel cord is ground by the grinding wheel grinding device 11 to ensure reliable contact during welding. The lower part of the grinding wheel grinding device 11 is connected to the mounting base plate 25 by an electric telescopic rod, and the height of the grinding wheel grinding device 11 can be changed to facilitate grinding. The high-resolution camera 13 is used to determine whether the positions of the two steel cords are in the correct position. During welding, by controlling the extension and retraction of the electric telescopic rod 14, it is convenient to change the position of the welding electrode 12 according to the specific type and size of the steel cord to meet the welding requirements. The welding electrode 12 is connected to the mounting base plate 25 by the electric telescopic rod 14. A high-temperature electric arc is generated, and the heat of the arc is used to melt the end face of the steel cord, and the two steel cords are welded together. After welding is completed, the robot arm 7 and the gripping assembly jointly move the welding point of the welded steel cord to the connecting block 2 16, and the control system controls the tempering fixture 20 to clamp the weld therein for heating treatment. After heating to a certain temperature, it is kept warm for a period of time, and then the temperature of the tempering fixture 20 is lowered to allow the weld to cool naturally. Tempering can reduce the internal stress and brittleness of the weld, making the welded steel cord more stable as a whole. Then, the gripping assembly is controlled to clamp the steel cord exposed outside the tempering fixture 20, and the restriction of the tempering fixture 20 is released, and then the cleaning soft brush 22 is moved to the corresponding height position, and the residue at the weld is cleaned off with the cooperation of the robot arm 7.

[0054] See also Figure 1 , Figure 2 and Figure 5, an embodiment of the present invention: a highly automated butt welding test equipment for steel cord, wherein the inner walls on both sides of the butt welding test equipment body 1 are embedded with micro motors 39, the output end of the micro motor 39 is installed with a placement tube 40, one end of the placement tube 40 is threadedly installed with a limit cap 41, and the inner walls on both sides of the butt welding test equipment body 1 are installed with lead wire blocks 38, and the lead wire blocks 38 are located in front of the micro motor 39;

[0055] A storage battery 43 is embedded in the interior of the butt welding test equipment body 1, and the storage battery 43 is located behind the collection area. A power interface 42 is installed on the back of the butt welding test equipment body 1, and the power interface 42 is used to supply power to the storage battery 43. A box door 23 is installed on the front of the butt welding test equipment body 1 through a hinge, and the box door 23 corresponds to the position of the collection area. A button area 5 is installed on the top of the controller 3, and the button area 5 is located on one side of the display screen 4.

[0056] Furthermore, shorter steel cords can be directly clamped on the gripping assembly, and rolled steel cords can be sleeved on the placement tube 40, and then the limit cap 41 can be tightened to fix it. The steel cord is then passed through the hole of the wire guide block 38 and one end of the steel cord is fixed on the gripping assembly. During operation, the extension and retraction of the steel cord are changed by controlling the rotation of the micro motor 39. A storage battery 43 is provided in the main body 1 of the welding test equipment, and a short-term welding test operation can be performed in the event of an external power outage. The operator regularly opens the box door 23 to clean the residue in the debris storage bin. A visual window is provided on the front of the main body 1 of the welding test equipment to facilitate the operator to observe the specific internal operations from the outside.

[0057] Further, the test method of the steel cord butt welding is as follows:

[0058] Step S1, first fix two sections of steel cord on the gripping assembly respectively, and then use the melting head device 10 and the grinding wheel machine grinding device 11 to process the ends of the steel cord;

[0059] Step S2, the high-resolution camera 9 automatically identifies the type and specification of the steel cord, and automatically adjusts the welding and testing parameters, and then performs welding and tempering operations on the steel cord;

[0060] Step S3: After welding is completed, two sets of grippers are clamped at both ends of the weld, and the welded steel cord is subjected to pulling and bending tests by changing the position of the robot arm 7;

[0061] Step S4, finally start the suction pump 29 to suck the ash and slag on the installation base plate 25 into the debris storage bin;

[0062] In step S2, the following steps are also included:

[0063] Step S21, welding the steel cord using the welding electrode 12, and then moving the weld of the steel cord between two sets of tempering clamps 20 and clamping them for tempering operation.

[0064] Working principle: directly clamp the steel cord in two groups of clamping fingers 36, and then use the melting head device 10 to melt the end face of the steel cord to be welded, so that the welding head of the steel cord is not loose, the size is uniform and the head shape is consistent, thereby greatly improving the welding success rate and the quality of the weld. After melting the head, use the grinding wheel machine grinding device 11 to grind the oxide layer on the surface of the steel cord head to ensure reliable contact during welding. Before welding, first use a high-resolution camera 9 to capture the image of the steel cord, including the diameter, length, shape and other physical characteristics of the steel cord, quickly and accurately collect the size data of the steel cord, and then use image recognition technology to analyze the characteristics of the steel cord, so as to determine the type and specification of the steel cord, and automatically adjust the parameters;

[0065] After welding is completed, the weld is tempered, and then the residue on the weld is cleaned with a clean soft brush 22. The steel cord is then clamped by the clamping assembly, and the steel cord is subjected to a pulling test driven by the contraction of the robot arm 7. Tension is gradually applied to the steel cord until the tension value reaches a preset value. A high-resolution camera 13 is used to identify whether there is a break at the welding point of the steel cord. Then, the two groups of robot arms 7 are controlled to change their relative positions to perform a bending test. Since the clamping positions of the two groups of clamping assemblies are close to the welding points during the test, the positions of the two groups of robot arms 7 are offset and controlled to bend the straight steel cord. During bending, a high-resolution camera 13 is used to identify whether there is a break at the welding point, so as to determine whether the welding of the steel cord is qualified.

[0066] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A highly automated butt welding test equipment for steel cord, characterized in that: The invention comprises a butt welding test equipment body (1), wherein a mounting base plate (25) is installed inside the butt welding test equipment body (1), and the mounting base plate (25) is used to sequentially separate the butt welding test equipment body (1) into a working area and a collection area from top to bottom, and mechanical arms (7) are installed on both inner walls of the butt welding test equipment body (1), and the mechanical arms (7) are located above the mounting base plate (25), and a gripping clamp assembly is installed at the output end of the mechanical arm (7), and the gripping clamp assembly is used to clamp the steel cord to be processed; A controller (3) is installed on the top of the butt welding test device body (1), and the controller (3) is equipped with a control system. The control system includes a microprocessor module and a recognition module. The recognition module captures the image of the steel cord on the gripping assembly through a high-resolution camera (9) installed on the rear wall of the butt welding test device body (1), and uses image recognition technology to determine the type and specification of the steel cord. The microprocessor module automatically adjusts the welding parameters and test parameters of the device according to the recognition result. A vertical partition (24) is installed inside the main body (1) of the butt welding test equipment, and the vertical partition (24) is located below the installation bottom plate (25). The vertical partition (24) divides the collection area into a storage area and a debris storage bin from left to right. An inverted L-shaped filter screen (27) and a small vibration motor (28) are installed on the bottom wall of the debris storage bin. The small vibration motor (28) is located between the inverted L-shaped filter screen (27) and the vertical partition (24). A suction pump (29) is installed on the bottom wall of the storage area. An exhaust pipe (31) is installed at the input end of the suction pump (29), and a cover plate filter (32) is installed at one end of the exhaust pipe (31) through a thread, and the cover plate filter (32) is located between the inverted L-shaped filter (27) and the vertical partition (24). An air outlet pipe (30) is installed at the output end of the suction pump (29), and a suction head (26) is installed on the back wall of the butt welding test equipment body (1), and the suction head (26) is located between the installation base plate (25) and the high-resolution camera 1 (9).

2. A highly automated butt welding test equipment for steel cord according to claim 1, characterized in that: The control system further comprises a condition module and a user interface. The condition module uses a temperature and humidity sensor (6) installed on the top of the welding test equipment body (1) to detect the working environment of the equipment and judge whether the working environment meets the activation conditions. The user interface displays the judgment result of the condition module via a display screen (4) installed on the top of the controller (3).

3. The highly automated butt welding test equipment for steel cord according to claim 1, characterized in that: The gripping assembly comprises a connecting block (8) mounted on the output end of the mechanical arm (7), a micro motor (33) and a guide rod (35) being mounted inside the connecting block (8), and the guide rod (35) being located above the micro motor (33), a bidirectional screw rod (34) being mounted on the output end of the micro motor (33), two groups of gripping fingers (36) being sleeved on the outer surfaces of the bidirectional screw rod (34) and the guide rod (35), and tension sensors (37) being mounted on the opposite surfaces of the two groups of gripping fingers (36), and the tension sensors (37) being electrically connected to the controller (3).

4. The highly automated butt welding test equipment for steel cord according to claim 1, characterized in that: An electric telescopic rod (14) is installed on the back wall of the butt welding test equipment body (1), and the electric telescopic rod (14) is located between two groups of high-resolution cameras (9). Welding electrodes (12) are installed on the output end of the electric telescopic rod (14) and the front wall of the butt welding test equipment body (1), and the two groups of welding electrodes (12) are located in corresponding positions. Two groups of melting head devices (10) are installed on the back wall of the butt welding test equipment body (1), and the melting head devices (10) are located on one side of the high-resolution camera (9). Two groups of grinding wheel machine grinding devices (11) are installed on the bottom wall of the installation base plate (25), and the grinding wheel machine grinding devices (11) are located below and in front of the melting head devices (10).

5. The highly automated butt welding test equipment for steel cord according to claim 2, characterized in that: A box cover (2) is movably mounted on the top of the butt welding test equipment body (1) via a hinge. The box cover (2) is located in front of the controller (3) and the temperature and humidity sensor (6). A high-resolution camera 2 (13) and an electric telescopic rod 3 (21) are mounted on the bottom of the box cover (2). The electric telescopic rod 3 (21) is located on one side of the high-resolution camera 2 (13). A cleaning soft brush (22) is mounted on the output end of the electric telescopic rod 3 (21). The front wall of the butt welding test equipment body (1) is mounted with an electric telescopic rod 2 (15). The output end of the electric telescopic rod 2 (15) is installed with a connecting block 2 (16), the inner wall of the connecting block 2 (16) is installed with a micro motor 1 (17) and a guide rod 1 (18), the guide rod 1 (18) is located on one side of the micro motor 1 (17), the output end of the micro motor 1 (17) is installed with a bidirectional screw rod 1 (19), the outer surfaces of the bidirectional screw rod 1 (19) and the guide rod 1 (18) are sleeved with two sets of tempering fixtures (20), and the tempering fixtures (20) correspond to the position of the high-resolution camera 1 (9).

6. The highly automated butt welding test equipment for steel cord according to claim 1, characterized in that: Micro motor three (39) is embedded and installed on the inner walls of both sides of the butt welding test equipment body (1), and a placement tube (40) is installed at the output end of the micro motor three (39), and a limit cap (41) is installed at one end of the placement tube (40) through a thread. Wire guide blocks (38) are installed on the inner walls of both sides of the butt welding test equipment body (1), and the wire guide blocks (38) are located in front of the micro motor three (39).

7. The highly automated butt welding test equipment for steel cord according to claim 2, characterized in that: A storage battery (43) is embedded and installed inside the butt welding test device body (1), and the storage battery (43) is located behind the collection area. A power interface (42) is installed on the back of the butt welding test device body (1), and the power interface (42) is used to supply power to the storage battery (43). A box door (23) is movably installed on the front of the butt welding test device body (1) through a hinge, and the box door (23) corresponds to the position of the collection area. A key area (5) is installed on the top of the controller (3), and the key area (5) is located on one side of the display screen (4).

8. A method for testing steel cord after butt welding, applicable to a highly automated butt welding testing device for steel cord according to any one of claims 1 to 6, characterized in that: The test method for the steel cord butt welding is as follows: Step S1, first fix two sections of steel cord respectively on the gripping assembly, and then use the melting head device (10) and the grinding wheel machine grinding device (11) to process the ends of the steel cord; Step S2, the high-resolution camera 1 (9) automatically identifies the type and specification of the steel cord, and automatically adjusts the welding and testing parameters, and then performs welding and tempering operations on the steel cord; Step S3, after welding is completed, two sets of grippers are clamped at both ends of the weld, and the position of the mechanical arm (7) is changed to perform a pulling and bending test on the welded steel cord; Step S4: Finally, the suction pump (29) is started to suck the ash residue on the installation base plate (25) into the debris storage bin.

9. A method for testing steel cord after butt welding according to claim 8, characterized in that: In step S2, the following steps are also included: Step S21: welding the steel cord using the welding electrode (12), then moving the weld of the steel cord between two sets of tempering clamps (20), and clamping them for tempering.

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