Solid wire high-precision oil drop measuring and controlling device

Abstract

The application discloses a solid welding wire high-precision oil dripping amount measuring and controlling device, relates to the technical field of oil amount detection, and comprises a base, a fiber sensor detecting mechanism connected to the base, an oil adding device and a wire wiping device. The oil adding device comprises a micrometer, an electromagnetic valve body and a spray head assembly. The micrometer is connected to the top of the electromagnetic valve body, and the spray head assembly is connected to the bottom of the electromagnetic valve body. The opening degree of the oil outlet hole of the electromagnetic valve body is adjusted through the micrometer, so that the oil output is adjusted. The fiber sensor detecting mechanism is arranged below the spray head assembly. The oil dripping amount detected through the fiber sensor detecting mechanism is fed back to a controller. The wire wiping device is arranged below the fiber sensor detecting mechanism. The wire wiping device has a passing channel for the welding wire to pass through. The passing channel is filled with wire wiping cotton. The wire wiping device has an opening opposite to the spray head assembly and connected to the passing channel, so that the oil flowing out of the spray head assembly flows into the wire wiping cotton through the opening, and the welding wire passes through the wire wiping cotton to realize oil coating.

Description

Technical Field

[0001] This application belongs to the technical field, specifically relating to a high-precision oil dripping measurement and control device for solid welding wire. Background Technology

[0002] In the production and manufacturing of solid welding wire, in order to ensure that the welding wire has good rust prevention properties during storage and avoid surface corrosion caused by environmental humidity, oxygen and other factors, and at the same time to ensure that the wire feeding resistance can be reduced and the wear between the welding wire and the wire feeding wheel can be reduced in subsequent welding operations, it is usually necessary to coat the surface of the solid welding wire with a uniform layer of lubricating oil. This oiling process is a key step in the solid welding wire production process and directly affects the storage life and welding performance of the welding wire.

[0003] However, existing oiling equipment generally suffers from insufficient precision in controlling the amount of oil applied, with errors typically exceeding ±10%. While this is sufficient for basic use with ordinary solid welding wire, precision welding wires require extremely high accuracy, typically needing to maintain an error within ±3%. Existing oiling equipment cannot match the wire feed speed in real time, leading to either too much or too little oil on the wire surface. Excessive oil not only wastes lubricant and increases production costs but may also generate excessive fumes during welding, affecting the welding environment and potentially causing defects such as porosity and slag inclusions in the weld joint, thus reducing weld quality. Insufficient oil, on the other hand, fails to form an effective protective film, making the wire prone to corrosion during storage. Furthermore, insufficient lubrication during wire feeding increases resistance, affecting feed smoothness and consequently impacting welding stability. Secondly, the equipment has poor adaptability. In the production of solid welding wire, various diameter specifications of welding wire need to be produced according to different welding requirements. Different diameter solid welding wires have different surface areas, requiring different amounts of oil and varying process parameters for oiling. Existing oiling equipment requires operators to manually and frequently adjust key parameters such as nozzle spacing and oil supply pressure to regulate the oil supply when switching between different diameter welding wires. This manual adjustment process is time-consuming and significantly reduces production efficiency, especially in scenarios involving the batch production of multiple specifications of welding wire, where the time cost of equipment debugging increases dramatically. Manual adjustment relies on the operator's experience and skill level; different operators have different adjustment standards, leading to inconsistent oiling of different specifications of welding wire within the same batch, further affecting the stability of welding wire product quality and failing to meet the needs of large-scale, standardized production. Furthermore, most existing solid welding wire oiling equipment uses an open-loop control method, meaning it performs oiling operations according to preset process parameters, unable to monitor the deviation between the actual oiling amount and the preset amount in real time, nor can it automatically adjust the oiling parameters based on the deviation. Utility Model Content

[0004] This application provides a high-precision oil dripping measurement and control method and device for solid welding wire, to solve the above-mentioned technical problem that the inability to match the welding wire feeding speed in real time will lead to too much or too little oil on the surface of the welding wire. When the oil is too much, defects such as porosity and slag inclusion will appear in the weld joint, reducing the welding quality. When the oil is too little, an effective protective film cannot be formed, the welding wire is prone to rust during storage, and insufficient lubrication will increase the wire feeding resistance during the wire feeding process, affecting the smoothness of wire feeding and thus affecting the stability of the welding process.

[0005] The technical solution adopted in this application is as follows: This application relates to a high-precision oil dripping measurement and control device for solid welding wire, including a base and a fiber optic sensor detection mechanism, an oiling device, and a wire wiping device connected to the base; The refueling device includes a micrometer, a solenoid valve body, and a nozzle assembly. The micrometer is connected to the top of the solenoid valve body, and the nozzle assembly is connected to the bottom of the solenoid valve body. The opening of the oil outlet of the solenoid valve body is adjusted by the micrometer to regulate the oil output. A fiber optic sensor detection mechanism is located below the nozzle assembly. The fiber optic sensor detection mechanism detects the amount of oil dripping and feeds it back to the controller, so that the controller can control the opening and closing of the solenoid valve body. A wire wiping device is located below the fiber optic sensor detection mechanism. The wire wiping device has a through-channel for the welding wire to pass through, and the through-channel is filled with wiping cotton. The wire wiping device has an opening facing the nozzle assembly and communicating with the through-channel, so that the oil flowing out of the nozzle assembly flows into the wiping cotton through the opening, and the welding wire is coated with oil by passing through the wiping cotton.

[0006] The solenoid valve body includes a valve seat, an electromagnet assembly, and a striking pin assembly; The valve seat has a buffer chamber and a valve chamber. The electromagnet assembly is connected to the outside of the corresponding buffer chamber of the valve seat, and the striker assembly is slidably connected in the buffer chamber. When the electromagnet assembly is energized, it generates electromagnetic attraction, which drives the striker assembly to move upward, so that a channel for oil flow is formed in the valve chamber.

[0007] The valve seat has an oil inlet and an oil outlet that communicate with the valve cavity; the oil outlet can communicate with the nozzle assembly, and the oil entering the valve cavity flows into the nozzle assembly through the oil outlet. The valve chamber has a blocking element that cooperates with the firing pin assembly. The blocking element is located between the oil inlet and the oil outlet. When the electromagnet assembly is energized, the firing pin assembly moves upward, and the firing pin assembly separates from the blocking element, allowing the oil inlet and the oil outlet to communicate. When the electromagnet assembly is de-energized, the firing pin assembly resets, and the firing pin assembly abuts against the blocking element to block the oil inlet and the oil outlet.

[0008] The micrometer includes a micrometer housing, an adjusting rod, a micrometer drum, an adjusting nut, and a knob; The micrometer housing is connected to the top of the valve seat, and the micrometer drum is connected to the outside of the micrometer housing; the adjusting rod is rotatably connected inside the micrometer housing, and one end of the adjusting rod can extend into the micrometer drum; the end of the adjusting rod extending into the micrometer drum can extend outside the micrometer drum and connect to the knob; the adjusting rod has external threads, and the adjusting nut is connected inside the micrometer drum. The adjusting rod and the adjusting nut are threadedly connected. By rotating the adjusting rod with the knob, the adjusting rod moves relative to the adjusting nut along the axial direction.

[0009] The firing pin assembly includes a firing pin, a movable iron core, an upper push rod, and a buffer spring; A buffer spring is connected inside the movable iron core. The bottom of the upper push rod extends into the movable iron core and connects to the top of the buffer spring. The bottom of the buffer spring is connected to the striker. One end of the striker can extend into the movable iron core, and the other end of the striker can extend to the top surface of the barrier in the valve cavity.

[0010] The firing pin assembly also includes a connecting spring, which is connected to the outside of the firing pin. One end of the connecting spring can abut against the bottom boss of the firing pin, and the other end of the connecting spring can abut against the bottom wall of the buffer cavity.

[0011] The valve cavity is provided with a positioning protrusion facing the buffer cavity. The positioning protrusion is arranged opposite to the barrier, so that the positioning protrusion and the barrier form a barrier. When the electromagnet assembly is not energized, the bottom of the striking pin assembly can seal the top surface of the barrier, so that the oil outlet and oil inlet of the valve cavity are isolated.

[0012] The bottom of the firing pin is also connected to a seal; the seal can abut against the top surface of the enclosure to isolate the oil outlet from the oil inlet, and can move relative to the top surface of the enclosure so that a preset gap is reserved between the seal and the top of the enclosure.

[0013] The wire wiping device includes a support roller and wiping cotton connected inside the support roller; the support roller has an opening corresponding to the nozzle assembly; the inner diameter of the inner wall of the support roller gradually decreases from the wire inlet side to the wire outlet side.

[0014] The high-precision oil dripping measurement and control device for solid welding wire also includes an oil inlet device; the oil inlet device includes an oil supply tank, an oil storage tank, and a pressure gauge; the oil supply tank is located above the oil storage tank, and a valve connects the oil supply tank and the oil storage tank; a pressure gauge is connected to the top of the oil supply tank to monitor the oil pressure in the oil storage tank; the oil storage tank has an oil return hole, an air inlet, and an oil filling port; the oil filling port is connected to the oil inlet of the valve seat through an oil inlet pipe to allow the oil in the oil storage tank to flow into the valve chamber.

[0015] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows: This application utilizes a fiber optic sensor detection mechanism to accurately acquire the volume of each oil droplet during the dripping process, thereby enabling precise calculation of the oil dripping amount and realizing the current oil dripping amount output from the oiling device to the welding wire surface. Furthermore, a PLC controller analyzes the welding wire size, feed length, and feed speed to determine the required actual oil dripping amount. By comparing the current oil dripping amount with the required actual oil dripping amount, the output oil volume of the oiling device is adjusted in real time. This achieves optimal oil dripping amount matching based on the welding wire size, feed length, and feed speed, forming a stable oil film on the welding wire surface and avoiding uneven oil coating, excessive or insufficient oil, or missing sections. This further improves the uniformity and stability of oil coating on the welding wire surface, ensuring real-time matching between the required actual oil dripping amount and the current oil dripping amount, forming a closed-loop control, achieving adaptive adjustment and high-precision oil dripping amount control, and improving the production efficiency and quality stability of ordinary welding wires. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a schematic diagram of the overall structure of a high-precision oil dripping measurement and control device for solid welding wire according to one embodiment of this application; Figure 2 This is a front view schematic diagram of a high-precision oil dripping measurement and control device for solid welding wire according to one embodiment of this application; Figure 3 This is a schematic diagram of the right side of a high-precision oil dripping measurement and control device for solid welding wire according to one embodiment of this application; Figure 4 This is a front view structural diagram of the oil supply device of a high-precision oil dripping measurement and control device for solid welding wire according to one embodiment of this application; Figure 5 This is a top view of the oil supply device of a high-precision oil dripping measurement and control device for solid welding wire according to one embodiment of this application; Figure 6 This is a schematic diagram of the cross-sectional structure of the support roller of the wire wiping device in a high-precision oil dripping measurement and control device for solid welding wire according to one embodiment of this application; Figure 7 This is a schematic diagram of the internal structure of the solenoid valve body of a high-precision oil dripping measurement and control device for solid welding wire according to one embodiment of this application; In the picture, 1. Base; 2. Wiping device; 21. Support roller; 3. Fiber optic sensor detection mechanism; 4. Oiling device; 41. Micrometer; 42. Solenoid valve body; 43. Nozzle assembly; 5. Oil inlet; 6. Oil filling port; 7. Air inlet; 8. Oil supply device; 81. Oil supply tank; 82. Oil storage tank; 83. Pressure gauge; 9. Height adjustment device; 10. Welding wire; 11. Oil return hole; 12. Oil return port; 13. Wiping cotton; 14. Connecting bracket; 15. Valve; 16. Liquid level indicator; 17. Opening; 18. Strike pin; 19. Movable iron core; 20. Top rod; 21. Buffer spring. Detailed Implementation

[0017] To more clearly illustrate the overall concept of this application, a detailed explanation is provided below with reference to the accompanying drawings.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0019] Furthermore, it should be understood in the description of this application that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] In this application, unless otherwise expressly specified and limited, the "above" or "below" of the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. In the description of this specification, references to terms such as "implementation," "example," "a particular embodiment," "example," or "specific example," etc., indicate that the specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0022] This application relates to a high-precision oil dripping measurement and control device for solid welding wire, such as... Figure 1-7 As shown; it includes a base 1 and an optical fiber sensor detection mechanism 3 connected to the base 1, an oiling device 4, and a wire wiping device 2; The refueling device 4 includes a micrometer 41, a solenoid valve body 42, and a nozzle assembly 43. The micrometer 41 is connected to the top of the solenoid valve body 42, and the nozzle assembly 43 is connected to the bottom of the solenoid valve body 42. The opening of the oil outlet of the solenoid valve body 42 is adjusted by the micrometer 41 to regulate the oil output. A fiber optic sensor detection mechanism 3 is located below the nozzle assembly 43. The fiber optic sensor detection mechanism detects the amount of oil dripping and feeds it back to the controller, so that the controller can control the opening and closing of the solenoid valve body 42. The wire wiping device 2 is located below the fiber optic sensor detection mechanism 3. The wire wiping device 2 has a through-channel for the welding wire 10 to pass through, and the through-channel is filled with wiping cotton 13. The wire wiping device 2 has an opening 17 facing the nozzle assembly 43 and communicating with the through-channel, so that the oil flowing out of the nozzle assembly 43 flows into the wiping cotton 13 through the opening 17, and the welding wire 10 is coated with oil by passing through the wiping cotton 13. Figure 1 As shown, the base 1 is equipped with four casters at its bottom, which can be used to move the base 1 to the corresponding position for easy relocation. A height adjustment device 9 is connected to the top of the base 1. The height adjustment device 9 can move forward and backward, left and right in the horizontal direction, and up and down in the vertical direction, thereby adjusting the height of the wire wiping device 2 above the base 1 to match the position of the welding wire 10 output from the wire drawing machine. This allows the welding wire 10 to move parallel to the output end of the wire drawing machine into the wire wiping device 2, facilitating the uniform coating of oil on the welding wire 10.

[0023] The wire wiping device 2 includes a support roller 21. The support roller 21 has a hollow cavity inside, forming a passage for the welding wire 10 to pass through and exit. The passage is filled with wiping cotton 13. The wire wiping device 2 has an opening 17 facing the nozzle assembly 43 and communicating with the passage, so that the oil flowing out of the nozzle assembly 43 flows into the wiping cotton 13 through the opening 17. The wiping cotton 13 can fully absorb the oil dripping from the nozzle assembly 43, thereby uniformly coating the surface of the welding wire 10 with oil to form an oil film as the welding wire 10 passes through the wiping cotton. Preferably, the wiping cotton 13 is made of wool felt.

[0024] The base 1 has a connecting bracket 14, which is used to connect to the fiber optic sensor detection mechanism 3, the nozzle assembly 43, the solenoid valve body 42, and the micrometer 41. The micrometer 41 is connected to the top of the solenoid valve body 42, the solenoid valve body 42 is connected to one side of the connecting bracket 14, the nozzle assembly 43 is connected to the bottom of the solenoid valve body 42, the fiber optic sensor detection mechanism 3 is connected to the bottom of the solenoid valve body 42, and the nozzle assembly 43 is directly opposite the bottom of the solenoid valve body 42. The filament wiping device 2 is connected to the bottom of the fiber optic sensor detection mechanism 3, and the nozzle assembly 43 is connected to the top of the fiber optic sensor detection mechanism 3. The distance between the fiber optic sensor detection mechanism 3 and the nozzle assembly is 10-20mm. Preferably, the distance between the fiber optic sensor detection mechanism 3 and the nozzle assembly 43 is 15mm. A solenoid valve body 42 is connected to the top of the nozzle assembly 43. The solenoid valve body 42 is connected to the nozzle assembly 43, so that the oil in the solenoid valve body 42 flows into the nozzle assembly 43. A micrometer 41 is connected to the top of the solenoid valve body 42. The oil volume is adjusted by adjusting the size of the opening 17 of the solenoid valve body 42 through the micrometer 41.

[0025] In a preferred embodiment, the solenoid valve body 42 includes a valve seat, an electromagnet assembly, and a striking pin assembly; The valve seat has a buffer chamber and a valve chamber. The electromagnet assembly is connected to the outside of the corresponding buffer chamber of the valve seat, and the striker assembly is slidably connected in the buffer chamber. When the electromagnet assembly is energized, it generates electromagnetic attraction, which drives the striker assembly to move upward, so that a channel for oil flow is formed in the valve chamber.

[0026] Furthermore, the valve seat has an oil inlet hole 5 and an oil outlet hole that communicate with the valve cavity; the oil outlet hole can communicate with the nozzle assembly 43, and the oil entering the valve cavity flows into the nozzle assembly 43 through the oil outlet hole; the valve cavity has a blocking element that cooperates with the impact pin assembly, and the blocking element is set between the oil inlet hole 5 and the oil outlet hole. When the electromagnet assembly is energized, the impact pin assembly moves upward, and the impact pin assembly separates from the blocking element so that the oil inlet hole 5 and the oil outlet hole are connected. When the electromagnet assembly is de-energized, the impact pin assembly is reset, and the impact pin assembly abuts against the blocking element to block the oil inlet hole 5 and the oil outlet hole.

[0027] The solenoid valve body 42 has a buffer chamber and a valve chamber. The buffer chamber is located above the valve chamber and is used to connect the impact pin assembly. The valve chamber is used for the flow of oil. Therefore, the valve chamber has an oil inlet 5 that communicates with the oil supply device 8 described below, and an oil outlet that communicates with the nozzle assembly 43. This allows the oil to enter the valve chamber of the solenoid valve body 42 from the oil supply device 8 through the oil inlet 5, and then be output to the nozzle assembly 43 through the oil outlet of the valve chamber for oiling the welding wire 10. An electromagnet assembly is connected to the outside of the buffer chamber. The electromagnet assembly includes a magnet and a coil. The magnet is connected to the outside of the corresponding buffer chamber of the valve seat, and the coil is wound around the outside of the magnet. When the coil is energized, the magnet generates a stable magnetic force that attracts the movable iron core inside the buffer chamber, causing it to move along the axis of the buffer chamber. A striking pin assembly is connected inside the movable iron core, which in turn moves the striking pin assembly upwards. A sealing element is connected to the bottom of the striking pin assembly. The sealing element is used to block the top surface of the barrier element in the valve chamber. The barrier element is located inside the valve chamber. When the barrier element and the sealing element are tightly fitted, the oil inlet 5 on one side of the valve chamber is blocked from the oil outlet 5 on the other side. When the coil is energized, the striking pin assembly moves upwards under the action of the movable iron core, thus causing the sealing element and the barrier element to move upwards. Separation is achieved, creating a gap between the seal and the barrier. This gap forms the output port of the refueling device 4 described above. The oil entering the valve chamber through the oil inlet 5 flows through the gap to the oil outlet of the valve chamber and then into the nozzle assembly 43, where it drips. Therefore, a micrometer 41 is positioned above the impact pin assembly. The adjusting rod of the micrometer 41 can be adjusted to maintain a preset distance between the adjusting rod of the micrometer 41 and the top of the impact pin assembly. The micrometer 41 can be connected to the connecting bracket 14 of the base 1 and can adjust the distance between it and the top of the impact pin assembly. This distance corresponds to the gap size between the seal and the barrier, thereby adjusting the size of the output port of the refueling device 4 and controlling the flow rate of the output oil.

[0028] In a preferred embodiment, the micrometer includes a micrometer housing, an adjusting rod, a micrometer drum, an adjusting nut, and a knob. The micrometer housing is connected to the top of the valve seat, and the micrometer drum is connected to the outside of the micrometer housing. The adjusting rod is rotatably connected inside the micrometer housing, and one end of the adjusting rod can extend into the micrometer drum. The end of the adjusting rod extending into the micrometer drum can extend outside the micrometer drum and connect to the knob. The adjusting rod has external threads, and the adjusting nut is connected inside the micrometer drum. The adjusting rod and the adjusting nut are threaded together. By rotating the adjusting rod with the knob, the adjusting rod moves relative to the adjusting nut along the axial direction, thereby adjusting the distance between the adjusting rod and the upper push rod described below. This distance serves as the movement clearance of the striker, thereby controlling the output oil volume. When it is necessary to increase the oil volume, the distance between the adjusting rod and the upper push rod can be increased. Similarly, when it is necessary to decrease the oil volume, the distance between the adjusting rod and the upper push rod can be decreased. The specific distance dimension is adjusted according to the data of the micrometer drum.

[0029] Furthermore, the firing pin assembly includes a firing pin, a movable iron core, an upper push rod, and a buffer spring; A buffer spring is connected inside the movable iron core. The bottom of the upper push rod extends into the movable iron core and connects to the top of the buffer spring. The bottom end of the buffer spring is connected to the firing pin. One end of the firing pin can extend into the movable iron core, and the other end of the firing pin can extend to the top surface of the blocking element in the valve cavity. The firing pin assembly also includes a connecting spring, which is connected to the outside of the firing pin. One end of the connecting spring can abut against the bottom boss of the firing pin, and the other end of the connecting spring can abut against the bottom wall of the buffer cavity.

[0030] The striking pin assembly includes a striking pin, a movable iron core, an upper push rod, and a buffer spring. The upper push rod is connected to the upper part of the buffer chamber, and its top extends out of the buffer chamber to correspond with the adjusting rod of the micrometer 41. The micrometer 41's adjusting rod limits the upper push rod, and the gap between the micrometer 41 and the upper push rod is adjusted to regulate the gap between the seal and the barrier in the valve chamber, thus controlling the oil dripping volume. The movable iron core is slidably connected inside the buffer chamber. The top of the upper push rod extends out of the buffer chamber, and its bottom extends into the movable iron core and connects to the buffer spring. One end of the buffer spring is connected to the upper push rod, and the other end is connected to the striking pin. The striking pin is connected inside the movable iron core, and its bottom extends out of the movable iron core to connect to the seal. When the coil is energized… The movable iron core can move upward along the buffer chamber, thereby driving the striker to move upward. The striker is connected to the upper push rod through the buffer spring. The upper push rod moves upward until it abuts the bottom of the adjusting rod of the micrometer 41. By adjusting the distance between the adjusting rod of the micrometer 41 and the upper push rod, the corresponding oil dripping amount can be matched. When it is necessary to increase the oil dripping amount, the adjusting rod of the micrometer 41 is adjusted upward by a preset distance, so that a preset distance is reserved between the adjusting rod and the upper push rod, thereby reducing the preset gap size between the sealing element and the barrier element, ensuring a gap that matches the required oil dripping amount. When it is necessary to reduce the oil dripping amount, the adjusting rod of the micrometer 41 is adjusted downward by a preset distance, so that a preset distance is reserved between the adjusting rod and the upper push rod, thereby achieving the preset gap between the sealing element and the barrier element.

[0031] In a preferred embodiment, a positioning protrusion facing the buffer chamber is provided inside the valve cavity. The positioning protrusion is positioned opposite to the blocking member, forming a barrier between them. When the electromagnet assembly is not energized, the bottom of the striking pin assembly can seal the top surface of the barrier, isolating the oil outlet and oil inlet 5 of the valve cavity. A sealing member is also connected to the bottom of the striking pin. The sealing member can abut against the top surface of the barrier to isolate the oil outlet and oil inlet 5, and can move relative to the top surface of the barrier, leaving a predetermined gap between the sealing member and the top of the barrier.

[0032] In use, when the striker moves upward, it isolates the top surface of the barrier formed by the seal, the barrier, and the positioning protrusion. According to the distance between the adjusting rod and the upper push rod, the striker moves upward by the displacement of this distance. The upper push rod moves upward until it abuts against the top of the adjusting rod. The adjusting rod acts as a limiter on the upper push rod, i.e., on the axial direction of the striker, thereby achieving precise adjustment of the striker's moving distance and the gap between the barrier and the striker, so as to achieve precise control of the output oil volume.

[0033] In a preferred embodiment, the wire wiping device 2 includes a support roller 21 and wiping cotton 13 connected within the support roller 21. The support roller 21 has an opening 17 corresponding to the nozzle assembly 43. The inner diameter of the inner wall of the support roller 21 gradually decreases from the side where the welding wire 10 enters to the side where the welding wire 10 exits. This prevents the wiping cotton 13 from being carried out of the support roller 21 when the welding wire 10 passes through it. It also further enables the wiping cotton 13 to coat the welding wire 10, increasing the coating intensity and achieving uniform oil application to form a uniform oil film.

[0034] In a preferred embodiment, the high-precision oil dripping measurement and control device for solid welding wire 10 also includes an oil inlet device; the oil inlet device includes an oil supply tank 81, an oil storage tank 82, and a pressure gauge 83; the oil supply tank 81 is located above the oil storage tank 82, and a valve 15 is connected between the oil supply tank 81 and the oil storage tank 82; a pressure gauge 83 is connected to the top of the oil supply tank 81 to monitor the oil pressure in the oil storage tank 82; the oil storage tank 82 has an oil return port 12, an air inlet 7, and an oil filling port 6; the oil filling port 6 is connected to the oil inlet port 5 of the valve seat through an oil inlet pipe to allow the oil in the oil storage tank 82 to flow into the valve chamber.

[0035] The oil supply device 8 has its filler port 6 connected to the oil inlet hole 5 of the solenoid valve body 42 via an oil inlet pipe. The oil supply tank 81 is always kept at high pressure. After opening valve 15, the oil in the oil supply tank 81 flows into the oil storage tank 82 through a pipeline. The oil in the oil storage tank 82 flows into the oil inlet hole 5 through the filler port 6 and the oil inlet pipe. The oil pressure in the oil storage tank 82 is monitored in real time by a pressure gauge 83. Furthermore, a level indicator 16 is connected to the outside of the oil storage tank 82 to display the remaining oil level, facilitating the opening or closing of valve 15 and adjusting the amount of oil entering the oil storage tank 82 from the oil supply tank 81. When no more oil is supplied to the solenoid valve body 42, excess oil can be returned to the oil storage tank 82 through the return oil pipe, the return oil hole 11 on the solenoid valve body 42, and the return oil port 12 of the oil storage tank 82.

[0036] For any parts not mentioned in this application, existing technologies may be used or referenced.

[0037] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0038] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A high-precision oil dripping measurement and control device for solid welding wire, characterized in that, Includes a base and a fiber optic sensor detection mechanism connected to the base, an oiling device, and a wire-wiping device; The refueling device includes a micrometer, a solenoid valve body, and a nozzle assembly. The micrometer is connected to the top of the solenoid valve body, and the nozzle assembly is connected to the bottom of the solenoid valve body. The opening of the oil outlet of the solenoid valve body is adjusted by the micrometer to regulate the oil output. A fiber optic sensor detection mechanism is located below the nozzle assembly. The fiber optic sensor detection mechanism detects the amount of oil dripping and feeds it back to the controller, so that the controller can control the opening and closing of the solenoid valve body. A wire wiping device is located below the fiber optic sensor detection mechanism. The wire wiping device has a through-channel for the welding wire to pass through, and the through-channel is filled with wiping cotton. The wire wiping device has an opening facing the nozzle assembly and communicating with the through-channel, so that the oil flowing out of the nozzle assembly flows into the wiping cotton through the opening, and the welding wire is coated with oil by passing through the wiping cotton.

2. The high-precision oil dripping measurement and control device for solid welding wire as described in claim 1, characterized in that, The solenoid valve body includes a valve seat, an electromagnet assembly, and a striking pin assembly; The valve seat has a buffer chamber and a valve chamber. The electromagnet assembly is connected to the outside of the corresponding buffer chamber of the valve seat, and the striker assembly is slidably connected in the buffer chamber. When the electromagnet assembly is energized, it generates electromagnetic attraction, which drives the striker assembly to move upward, so that a channel for oil flow is formed in the valve chamber.

3. The high-precision oil dripping measurement and control device for solid welding wire as described in claim 2, characterized in that, The valve seat has an oil inlet and an oil outlet that communicate with the valve cavity; the oil outlet can communicate with the nozzle assembly, and the oil entering the valve cavity flows into the nozzle assembly through the oil outlet. The valve chamber has a blocking element that cooperates with the firing pin assembly. The blocking element is located between the oil inlet and the oil outlet. When the electromagnet assembly is energized, the firing pin assembly moves upward, and the firing pin assembly separates from the blocking element, allowing the oil inlet and the oil outlet to communicate. When the electromagnet assembly is de-energized, the firing pin assembly resets, and the firing pin assembly abuts against the blocking element to block the oil inlet and the oil outlet.

4. The high-precision oil dripping measurement and control device for solid welding wire as described in claim 2, characterized in that, The micrometer includes a micrometer housing, an adjusting rod, a micrometer drum, an adjusting nut, and a knob; The micrometer housing is connected to the top of the valve seat, and the micrometer drum is connected to the outside of the micrometer housing; the adjusting rod is rotatably connected inside the micrometer housing, and one end of the adjusting rod can extend into the micrometer drum; the end of the adjusting rod extending into the micrometer drum can extend outside the micrometer drum and connect to the knob; the adjusting rod has external threads, and the adjusting nut is connected inside the micrometer drum. The adjusting rod and the adjusting nut are threadedly connected. By rotating the adjusting rod with the knob, the adjusting rod moves relative to the adjusting nut along the axial direction.

5. The high-precision oil dripping measurement and control device for solid welding wire as described in claim 2, characterized in that, The firing pin assembly includes a firing pin, a movable iron core, an upper push rod, and a buffer spring; A buffer spring is connected inside the movable iron core. The bottom of the upper push rod extends into the movable iron core and connects to the top of the buffer spring. The bottom of the buffer spring is connected to the striker. One end of the striker can extend into the movable iron core, and the other end of the striker can extend to the top surface of the barrier in the valve cavity.

6. The high-precision oil dripping measurement and control device for solid welding wire as described in claim 5, characterized in that, The firing pin assembly also includes a connecting spring, which is connected to the outside of the firing pin. One end of the connecting spring can abut against the bottom boss of the firing pin, and the other end of the connecting spring can abut against the bottom wall of the buffer cavity.

7. The high-precision oil dripping measurement and control device for solid welding wire as described in claim 3, characterized in that, The valve cavity is provided with a positioning protrusion facing the buffer cavity. The positioning protrusion is arranged opposite to the barrier, so that the positioning protrusion and the barrier form a barrier. When the electromagnet assembly is not energized, the bottom of the striking pin assembly can seal the top surface of the barrier, so that the oil outlet and oil inlet of the valve cavity are isolated.

8. The high-precision oil dripping measurement and control device for solid welding wire as described in claim 6, characterized in that, The bottom of the firing pin is also connected to a seal; the seal can abut against the top surface of the enclosure to isolate the oil outlet from the oil inlet, and can move relative to the top surface of the enclosure so that a preset gap is reserved between the seal and the top of the enclosure.

9. The high-precision oil dripping measurement and control device for solid welding wire as described in claim 1, characterized in that, The wire wiping device includes a support roller and wiping cotton connected inside the support roller; the support roller has an opening corresponding to the nozzle assembly; the inner diameter of the inner wall of the support roller gradually decreases from the wire inlet side to the wire outlet side.

10. The high-precision oil dripping measurement and control device for solid welding wire as described in claim 1, characterized in that, It also includes an oil inlet device; the oil inlet device includes an oil supply tank, an oil storage tank, and a pressure gauge; The oil supply tank is located above the oil storage tank, and a valve connects the oil supply tank and the oil storage tank. A pressure gauge is connected to the top of the oil supply tank to monitor the oil pressure in the oil storage tank. The oil storage tank has an oil return hole, an air inlet, and an oil filling port. The oil filling port is connected to the oil inlet of the valve seat through an oil inlet pipe to allow the oil in the oil storage tank to flow into the valve chamber.

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