A looper ejector roller position detection device

Abstract

This utility model relates to a looper ejector roll position detection device, including a fixed base, a movable base, a fixed set screw, and a detection sensor. The fixed base has a fixed set screw mounting hole on its front side and a fixed plate inside. A non-through groove is formed along the vertical direction of the fixed groove's front side. The movable base includes a fixed seat plate and a sensor support component mounted on the fixed seat plate. The detection sensor is mounted on the sensor support component and is used to monitor the real-time working position of the looper ejector roll. The device also includes a control system connected to the detection sensor. The mechanical precision adjustment structure, with the non-through groove and set screw locking, ensures the stability of the detection benchmark. Combined with the control system that determines the real-time position threshold, it can perform real-time ejector roll status diagnosis. The hard-wired interlock with the rolling mill control system forms a double protection, effectively reducing the incidence of steel pile-up accidents.

Description

Technical Field

[0001] This utility model relates to the field of metallurgical steel rolling technology, and more specifically, to a device for detecting the position of a looper ejector roll. Background Technology

[0002] In high-speed wire rod rolling, it is necessary to adjust the tension of the steel and maintain its flexibility. To meet the production process requirements, existing technology provides a looper device. This looper device is connected to a movable ejector roller. As the steel passes through the looper, the ejector roller pushes it out, and after the steel leaves, the ejector roller retracts. This action logic matches the steel biting control logic of the rolling mill. However, in actual field applications, the following problem has been found with this design: if the ejector roller does not retract in time after one steel is rolled, the head of the next steel will directly hit the ejector roller, causing a steel pile-up accident. Utility Model Content

[0003] In response to the aforementioned technical problem, a device for detecting the position of a looper ejector roller is provided.

[0004] The technical means adopted in this utility model are as follows: A looper ejector roller position detection device includes a fixed base, a movable base, a fixed set screw, and a detection sensor. The fixed base has a fixed set screw mounting hole on its front side and a fixed plate inside. A non-through groove is formed along the vertical direction of the front side of the fixed groove. The movable base includes a fixed seat plate and a sensor support component disposed on the fixed seat plate. The detection sensor is disposed on the sensor support component and is used to monitor the real-time working position of the looper ejector roller. The device also includes a control system, which is connected to the detection sensor.

[0005] Furthermore, the non-through groove is a rectangular groove with a height of 180~240mm.

[0006] Furthermore, the sensor support component is an L-shaped stainless steel bracket with an elongated hole on one side protruding from the fixing groove, and the detection sensor is movably connected to the elongated hole.

[0007] Furthermore, the detection sensor is externally fitted with a threaded sleeve, and nuts are respectively provided on both sides of the elongated hole. The outer diameter of the nuts is larger than the length of the elongated hole. After the position of the detection sensor is determined, the position of the detection sensor is limited by the nuts.

[0008] Furthermore, the number of detection sensors is two, which are respectively set at the retraction position and the ejection position of the ejection cylinder.

[0009] Furthermore, there are two fixing screw mounting holes, and the movable base is fixed by the two fixing screws passing through the fixing screw mounting holes.

[0010] Compared with existing technologies, this invention has the following advantages: The device ensures the stability of the detection benchmark through a non-through groove and top screw locking mechanical precision adjustment structure. Combined with a control system that determines real-time position thresholds, it can perform real-time diagnosis of the ejector roll status. The hard-wired interlock with the rolling mill control system forms a double protection, effectively reducing the incidence of steel pile-up accidents. Simultaneously, the modular design significantly shortens fault repair time. When maintenance of the ejector cylinder or other operations are required, if the movable base obstructs the operation, the fixing screws of the movable base can be loosened, and the movable base can be removed from the fixed groove. After the operation, normal operation can be restored, thus not affecting daily operations and ensuring stable equipment operation. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] In the diagram: 1. Fixed base; 2. Movable base; 3. Fixed set screw. Detailed Implementation

[0014] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this utility model or its application or use. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0016] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to the present invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0017] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0018] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms 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 on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0019] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation besides the orientation of the device as described in the figures. For example, if the device in the figures is inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0020] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0021] like Figure 1 As shown in the figure, this utility model discloses a looper ejector roller position detection device, including a fixed base 1, a movable base 2, a fixed set screw 3, and a detection sensor. The fixed base has a fixed set screw mounting hole on its front side, and a fixed plate is provided inside the fixed base. A groove structure for mounting the movable base is formed between the fixed base and the fixed plate. A non-through groove is provided along the vertical direction of the fixed groove. The movable base includes a fixed seat plate and a sensor support component disposed on the fixed seat plate. The detection sensor is disposed on the sensor support component and is used to monitor the real-time working position of the looper ejector roller. The device also includes a control system, which is connected to the detection sensor.

[0022] This invention allows the base to be removed at any time during mechanical replacement of the ejector roller bearing and other operations, while also preventing water from causing difficulties in disassembling the base and improving production efficiency.

[0023] The fixed base is a frame or channel steel structure that can be fixedly mounted on the bracket of the ejector cylinder mechanism via its back. It can be secured using bolts or welding. In this embodiment, the fixed base is made of stainless steel to prevent rust and corrosion caused by moisture. The fixed base is welded firmly and reliably using stainless steel welding rods. The movable base is also made of stainless steel to prevent moisture corrosion. The diameter of the elongated hole in the base is 30mm, allowing the detection sensor to be adjusted left and right and forward and backward, avoiding detection errors caused by the forward and backward swing of the ejector roller on site.

[0024] Furthermore, the non-through groove is a rectangular groove with a height of 180~240mm.

[0025] Furthermore, the sensor support component is an L-shaped stainless steel bracket with an elongated hole on one side protruding from the fixing groove, and the detection sensor is movably connected to the elongated hole.

[0026] Furthermore, the detection sensor is externally fitted with a threaded sleeve, and nuts are respectively provided on both sides of the elongated hole. The outer diameter of the nuts is larger than the length of the elongated hole. After the position of the detection sensor is determined, the position of the detection sensor is limited by the nuts.

[0027] Furthermore, the number of detection sensors is two, which are respectively set at the retraction position and the ejection position of the ejection cylinder.

[0028] Furthermore, there are two fixing screw mounting holes, and the movable base is fixed by two fixing screws passing through the fixing screw mounting holes. The use of a double fixing screw structure can improve the fixation of the movable base and prevent the base from loosening due to large vibrations.

[0029] The method of using the above-mentioned looper ejector roller position detection device of this utility model includes the following steps: First, position calibration is performed. When the ejector roller retracts, the movable base is inserted into the fixing groove of the fixed base. The height of the movable base is adjusted so that the height of the first detection sensor used to monitor the retraction position of the ejector cylinder piston rod can be matched with the reference surface of the retraction position of the ejector cylinder piston rod. Then, the set screw is fixed to complete the limitation of the height of the movable base. The positions of the first and second detection sensors are adjusted according to the positions of the detection points on the ejection cylinder when the ejection roller reaches the ejection position and the retraction position, and then the positions of the first and second detection sensors are defined by fixing the nuts. In actual operation, the control system makes a judgment based on the monitoring probe value and the working position threshold when the ejector roller is ejected, confirming whether the ejector roller is in the ejection state or the retraction state, and then controls the new steel feeding signal.

[0030] As an interlocking device, if the control system detects an error in the position of the ejector roller, it will generate an alarm and promptly stop the next steel bar to avoid a steel pile-up accident.

[0031] By adding this ejector roller position detection device, the actual position of the ejector roller can be accurately detected, preventing steel pile-up accidents caused by ejector roller jamming or incomplete retraction. After a period of effect tracking following its implementation, it has reduced many steel pile-up accidents and improved the stability of the ejector roller control system. Simultaneously, it has also reduced various phenomena such as detection anomalies and spare parts damage caused by base fixing issues in the early stages, improving the product quality of wire rod. Statistics show that before adopting this detection device in 2023, the average monthly accident time was approximately 5.2 hours, resulting in 6 scrap steel pieces, with a total annual downtime of 62.4 hours and scrap steel tonnage of 158.4 tons. After implementing this patent, the amount of scrap steel has been significantly reduced, generating an annual benefit of approximately 1 million yuan.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A device for detecting the position of a looper ejector roller, characterized in that, The device includes a fixed base, a movable base, a fixing screw, and a detection sensor. The fixed base has a fixing screw mounting hole on its front side and a fixing plate inside. A non-through groove is formed along the vertical direction of the front side of the fixing groove. The movable base includes a fixed seat plate and a sensor support component disposed on the fixed seat plate. The detection sensor is disposed on the sensor support component and is used to monitor the real-time working position of the looper ejection cylinder. The device also includes a control system, which is connected to the detection sensor.

2. The loop push out roll position detection device according to claim 1, characterized in that, The non-through groove is a rectangular groove with a height of 180~240mm.

3. The loop push out roll position detection device according to claim 1, characterized in that, The sensor support component is an L-shaped stainless steel bracket with an elongated hole on one side protruding from the fixing groove. The detection sensor is movably connected to the elongated hole.

4. The loop push out roll position detection device according to claim 3, characterized in that, The detection sensor has a threaded sleeve on its external transition fit, and nuts are provided on both sides of the elongated hole. The outer diameter of the nuts is larger than the length of the elongated hole. After the position of the detection sensor is determined, the position of the detection sensor is limited by the nuts.

5. The loop push out roll position detection device according to claim 1, characterized by The number of detection sensors is two, which are respectively set on the retraction position and the ejection position of the ejection cylinder.

6. The loop push out roll position detection device according to claim 1, characterized by The number of fixing screw mounting holes is two, and the movable base is fixed by the two fixing screws passing through the fixing screw mounting holes.

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