Automatic position adjusting device for double shear shear

Abstract

The application relates to the technical field of steel production, and discloses a double-length flying shear position automatic adjusting device, which comprises a fixed base, a fixed base cover, a locking mechanism and a transverse driving mechanism, the fixed base cover and the locking mechanism are arranged on the fixed base, and the transverse driving mechanism is arranged in the fixed base cover; a movable base is movably arranged on the fixed base, is connected with the transverse driving mechanism through a bolt cylinder and is driven by the transverse driving mechanism to move along a preset track; a double-length flying shear is arranged on the movable base and can move together with the movable base; wherein the movable base comprises a seat body, a connecting plate, a bottom sliding plate arranged on the bottom surface of the seat body and a side sliding plate arranged on the side surface of the seat body, the connecting plate is arranged on the seat body, the bolt cylinder is arranged on the connecting plate, and the bottom sliding plate and the side sliding plate are used for realizing movement guidance. The double-length flying shear position automatic adjusting device solves the problems of inconvenient and time-consuming double-length flying shear routine maintenance and blade replacement operation.

Description

Technical Field

[0001] This application relates to the field of steel production technology, and more specifically, to an automatic position adjustment device for multiple-length flying shears. Background Technology

[0002] Currently, there is a significant market demand for small-diameter bar products. Small-diameter rebar typically accounts for more than half of the total output of rolling mills, and its main production process is slitting rolling. Compared with traditional slitting rolling, high-speed bar production lines offer advantages such as faster rolling speeds, higher dimensional accuracy of finished products, better bar performance, superior surface quality, and more accurate and rapid braking. Therefore, in recent years, major steel mills have been building new lines or upgrading existing slitting rolling lines to high-speed bar production lines.

[0003] Multiple-length flying shears, as core equipment in high-speed bar production lines, are primarily used to cut rolled bars into predetermined multiple-length pieces. After shearing, the multiple-length rolled bars are braked by a clamping device and then smoothly unloaded from the rotating drum onto the cooling bed straightening plate. In high-speed bar production lines with two-line split rolling, the rotating drum needs four channels, requiring two sets of multiple-length flying shears. To shorten the production line length and facilitate centralized control, the two sets of multiple-length flying shears are typically arranged symmetrically along the rolling centerline. However, this arrangement results in extremely narrow space between the multiple-length flying shears, making daily inspection, maintenance, and blade replacement very inconvenient and time-consuming, impacting overall line efficiency and increasing worker workload. Utility Model Content

[0004] To address the technical problems of difficult and time-consuming operation caused by limited space during the inspection, maintenance, and blade replacement of the aforementioned double-length flying shears, this application proposes an automatic position adjustment device for double-length flying shears.

[0005] In view of this, this application proposes an automatic position adjustment device for a multiple-length flying shear, comprising: a fixed base, the fixed base including a base, a cover, a locking mechanism and a transverse drive mechanism, the cover and the locking mechanism being disposed on the base, and the transverse drive mechanism being disposed in the cover; a movable base, movably disposed on the fixed base, connected to the transverse drive mechanism via a pin cylinder, and driven by the transverse drive mechanism to move along a preset track; a multiple-length flying shear, disposed on the movable base, and capable of moving together with the movable base; wherein, the movable base includes a seat body, a connecting plate, a bottom sliding plate disposed on the bottom surface of the seat body and a side sliding plate disposed on the side surface of the seat body, the connecting plate being disposed on the seat body, the pin cylinder being disposed on the connecting plate, and the bottom sliding plate and the side sliding plate being used for movement guidance.

[0006] In some feasible implementations, the locking mechanism includes a plurality of locking cylinders spaced apart along the extension direction of a preset track for locking the movable base to the fixed base; the traverse drive mechanism is a traverse hydraulic cylinder, one end of which is disposed on the fixed base and the other end is connected to the movable base.

[0007] In some feasible implementations, the locking cylinder in the locking mechanism is a hydraulic locking cylinder or a disc spring locking cylinder.

[0008] In some feasible implementations, the base has a locking mating surface, the locking cylinder has a pressure plate, the pressure plate has a contact plane for fitting with the locking mating surface, the inclination angle of the contact plane matches the inclination angle α of the locking mating surface, and the value of angle α ranges from 20 degrees to 30 degrees.

[0009] In some feasible implementations, the traverse hydraulic cylinder includes: a cylinder barrel; a piston rod, assembled within the cylinder barrel for outputting linear drive; and a displacement sensor, disposed within the cylinder barrel, for detecting the displacement of the piston rod.

[0010] In some feasible implementations, the fixed base also includes: a support disposed on the base, and a cover disposed on the support.

[0011] In some feasible implementations, the lateral drive mechanism is provided with a trunnion and connected to a sump via the trunnion, and a bushing is provided between the trunnion and the support.

[0012] In some feasible implementations, the automatic position adjustment device for the double-length flying shear also includes: a connecting plate, mounted on the base; a pin cylinder, mounted on the connecting plate, the pin cylinder including a piston cylinder and a telescopic rod, the movable base being connected to the fixed base via the pin cylinder; a bracket connected to the extended end of the telescopic rod, the bracket being connected to a proximity switch; and a connector, mounted at the output end of the telescopic rod, the connector having a pin hole for connecting to the piston cylinder.

[0013] In some feasible implementations, the automatic position adjustment device for the double-length flying shear also includes: a trolley frame, which is set on the base, with a mounting hole on the top of the trolley frame, a connector passing through the mounting hole, wheels installed at both ends of the trolley frame, the wheels being set on a preset track, and the preset track being fixed on the base.

[0014] In some feasible implementations, the automatic position adjustment device for the double-length flying shear also includes: a centralized lubrication system, wherein the oil supply lines of the centralized lubrication system are respectively connected to the contact surfaces of the bottom slide plate and the fixed base, and the contact surfaces of the side slide plate and the fixed base.

[0015] Compared with related technologies, this application has the following technical advantages: The automatic position adjustment device for multiple-length flying shear provided in this application is used in a high-speed bar production line. It includes a fixed base, a movable base, and a multiple-length flying shear. During routine maintenance and blade replacement, the multiple-length flying shear can be moved along the direction perpendicular to the rolling centerline, greatly increasing the operating space. This effectively solves the problems of inconvenient operation and long processing times, improving production line efficiency, reducing production costs, and decreasing labor intensity. Furthermore, this device has a simple and compact structure, and is easy to process and install.

[0016] Additional aspects and advantages of this application will become apparent in the following description or may be learned by practice of this application. Attached Figure Description

[0017] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This invention provides a schematic diagram of the automatic position adjustment device for a double-length flying shear according to one embodiment of the present application. Figure 2 This is a second schematic diagram of the automatic position adjustment device for a double-length flying shear according to one embodiment of this application; Figure 3 A schematic diagram of the structure of the movable base in one embodiment of this application is shown; Figure 4 It shows Figure 3 Enlarged view of Part II; Figure 5 It shows Figure 1 Enlarged view of Part I; Figure 6 It shows Figure 5 Sectional view along axis AA; Figure 7 One of the structural schematic diagrams of the fixed base in one embodiment of this application is shown; Figure 8 A second schematic diagram of the structure of the fixed base in one embodiment of this application is shown; Figure 9 It shows Figure 7 BB-direction sectional view; Figure 10 It shows Figure 9 CC-direction sectional view; Figure 11 A schematic diagram of the locking cylinder in one embodiment of this application is shown; Figure 12 It shows Figure 7 DD section view.

[0018] in, Figures 1 to 12The correspondence between the reference numerals and component names in the attached drawings is as follows: 1. Multiple-length flying shear, 2. Moving base, 201. Base body, 202. Side slide plate, 203. Bottom slide plate, 204. Pin cylinder, 205. Bracket, 206. Proximity switch, 207. Connecting plate, 3. Fixed base, 301. Locking cylinder, 302. Base, 303. Lateral hydraulic cylinder, 304. End cap, 305. Bushing, 306. Trolley frame, 307. Wheel, 308. Connector, 309. Set screw, 310. Locking cylinder body, 311. Pressure plate, 312. Support, 313. Preset track. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this application, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] 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.

[0021] The following reference Figures 1 to 12 This application describes an automatic position adjustment device for multiple-gauge flying shears according to some embodiments.

[0022] Example 1 like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 7 and Figure 8 As shown, this application proposes an automatic position adjustment device for a multiple-length flying shear, comprising: a fixed base 3, which includes a base 302, a cover 304, a locking mechanism, and a transverse drive mechanism. The cover 304 and the locking mechanism are disposed on the base 302, and the transverse drive mechanism is disposed in the cover 304; a movable base 2, which is movably disposed on the fixed base 3, connected to the transverse drive mechanism via a pin cylinder 204, and driven by the transverse drive mechanism to move along a preset track 313; and a multiple-length flying shear 1, which is disposed on the movable base 2 and can move together with the movable base 2; wherein, the movable base 2 includes a seat body 201, a connecting plate 207, a bottom sliding plate 203 disposed on the bottom surface of the seat body 201, and a side sliding plate 202 disposed on the side surface of the seat body 201. The connecting plate 207 is disposed on the seat body 201, the pin cylinder 204 is disposed on the connecting plate 207, and the bottom sliding plate 203 and the side sliding plate 202 are used to achieve movement guidance.

[0023] The automatic position adjustment device for multiple-length flying shears provided in this application is used in high-speed bar production lines. It includes a fixed base 3, a movable base 2, and a multiple-length flying shear 1. Through the coordinated action of the lateral drive mechanism and the pin cylinder 204, the movable base 2 can be precisely driven to move along a preset track 313, thereby driving the multiple-length flying shear 1 mounted on it to accurately reach the designated position. This effectively improves the accuracy and efficiency of position adjustment, and can quickly adapt to the diverse needs of multiple-length flying shear position under different production scenarios, reducing adjustment time and improving production efficiency. The preset track 313 is perpendicular to the rolling centerline.

[0024] Once the double-length flying shear 1 enters the working position, it is reliably locked by the locking cylinder 301. Then, the pin cylinder 204 retracts, allowing the lateral movement drive mechanism of the fixed base 3 to retract as well, thus preventing the lateral movement drive mechanism from being subjected to prolonged stress and providing protection. When it is necessary to remove the double-length flying shear 1, the lateral movement drive mechanism moves into position first, and then the pin cylinder 204 extends and connects to the moving base 2, smoothly pulling out the entire moving base 2. The entire process is completed automatically without manual intervention.

[0025] The fixed base 3 includes a base 302, a closed cover 304, a locking mechanism, and a lateral movement drive mechanism. The closed cover 304 and the locking mechanism are located on the base 302, and the lateral movement drive mechanism is housed within the closed cover 304, protecting it from dust, moisture, and other contaminants. The structure is compact and stable. The movable base 2 is guided by a bottom sliding plate 203 and side sliding plates 202, maintaining stability during movement, reducing swaying and deviation, ensuring the stability of the multiple-length flying shear 1 during movement and operation, and reducing the risk of production failures due to positional misalignment. The connecting plate 207 on the movable base 2 provides a stable mounting base for the pin cylinder 204.

[0026] Traditional maintenance often requires tedious manual relocation operations using tools, which is time-consuming, labor-intensive, and poses safety risks. This device automatically moves the mobile base 2 and the multiple-length flying shear 1 along a preset track 313 via a transverse drive mechanism. This allows for quick relocation of the multiple-length flying shear 1 to a spacious maintenance position away from the rolling line, effectively solving the problems of inconvenient and time-consuming operation caused by limited space during daily maintenance and blade replacement of the multiple-length flying shear 1. It provides operators with ample and safe working space. After maintenance, it can be precisely and automatically reset, completely changing the inefficient traditional manual mode, significantly reducing downtime, directly improving production line efficiency, and reducing production costs and labor intensity.

[0027] Example 2 like Figure 1 and Figure 7As shown, based on Embodiment 1, the locking mechanism includes a plurality of locking cylinders 301 arranged at intervals along the extension direction of the preset track 313, which are used to lock the movable base 2 to the fixed base 3; the transverse drive mechanism is a transverse hydraulic cylinder 303, one end of which is disposed on the fixed base 3 and the other end is connected to the movable base 2.

[0028] In this embodiment, the locking mechanism employs multiple locking cylinders 301 spaced apart along the extension direction of the preset track 313. This provides a uniform and stable locking force, effectively preventing off-center loading or base warping that may occur due to single-point locking, and ensuring a tight fit between the movable base 2 and the fixed base 3 on the contact surface. When the locking cylinder 301 operates, its force can be decomposed into a vertical pressing force and a horizontal lateral force, thereby restricting the displacement of the movable base 2 from two degrees of freedom, forming a stable mechanical rigid connection.

[0029] The lateral movement drive mechanism uses a lateral movement hydraulic cylinder 303, with one end fixed to the fixed base 3 and the other end connected to the movable base 2. The hydraulic cylinder drive method features high power and smooth operation, providing sufficient and stable power to the movable base 2, enabling it to move accurately along the preset track 313. Furthermore, the hydraulic system is easy to control, allowing for precise adjustment of the movement speed and displacement according to actual production needs, thus improving operational flexibility and accuracy.

[0030] Example 3 Based on the above embodiments, the locking cylinder 301 in the locking mechanism is a hydraulic locking cylinder or a disc spring locking cylinder.

[0031] In this embodiment, the locking cylinder 301 in the locking mechanism is a hydraulic locking cylinder or a disc spring locking cylinder. The hydraulic locking cylinder provides a strong and stable locking force, precisely controlling the degree of locking to ensure a secure connection between the moving base 2 and the fixed base 3. This effectively prevents the moving base 2 from shifting due to vibrations during equipment operation, improving the accuracy of workpiece braking. Simultaneously, the hydraulic system responds quickly, acting rapidly when unlocking is needed without affecting the lateral movement of the moving base 2, thus improving equipment adjustment efficiency.

[0032] Disc spring locking cylinders rely on the elastic deformation of disc springs to generate locking force. They have a simple and compact structure, occupy little space, and are suitable for installation in confined spaces. Furthermore, disc springs have good cushioning properties, reducing impact during the locking process and extending the equipment's lifespan. In addition, disc spring locking cylinders are easy to maintain and have relatively low costs, helping to reduce overall maintenance expenses and improve the equipment's economy and reliability.

[0033] Example 4 like Figure 3 and Figure 11As shown, based on the above embodiment, the seat 201 is provided with a locking mating surface, the locking cylinder 301 is provided with a pressure plate 311, the pressure plate 311 is provided with a contact plane for fitting with the locking mating surface, the inclination angle of the contact plane matches the inclination angle α of the locking mating surface, and the value of angle α is in the range of 20 degrees to 30 degrees.

[0034] In this embodiment, the tilt angle of the contact plane matches the tilt angle α of the locking mating surface, and the angle α is between 20 and 30 degrees. This specific angle design allows for a large horizontal component force when the two are in contact. When the locking cylinder 301 is activated, the pressure plate 311 is tightly fitted with the seat 201, and the horizontal component force effectively prevents the moving base 2 from shifting in the horizontal direction, greatly enhancing the stability of the locking and ensuring that the multiple-length flying shear 1 can always remain in the accurate position under the complex working conditions of the high-speed bar production line.

[0035] Furthermore, the tilt angle of 20 to 30 degrees ensures uniform contact between the pressure plate 311 and the locking mating surface, avoiding localized stress concentration. During maintenance and repair, even under significant vibration and impact, the reliability of the locking mechanism is maintained, reducing equipment malfunctions and production accidents caused by loosening of the locking mechanism, and improving the safety and stability of the production line.

[0036] An angle range of 20 to 30 degrees not only satisfies the locking function but also optimizes the structural stress. It avoids insufficient locking force due to an excessively small angle, and prevents damage to components due to unreasonable structural stress. This extends the equipment's lifespan, reduces maintenance costs and downtime, and improves production efficiency.

[0037] Example 5 Based on the above embodiments, the transverse hydraulic cylinder 303 includes: a cylinder barrel; a piston rod, assembled inside the cylinder barrel for outputting linear drive; and a displacement sensor, disposed in the cylinder barrel for detecting the displacement of the piston rod.

[0038] In this embodiment, the transverse hydraulic cylinder 303 includes a cylinder barrel, a piston rod, and a displacement sensor. The piston rod is assembled inside the cylinder barrel and outputs linear drive, providing stable and powerful linear power to the moving base 2. In a high-speed bar production line, this ensures that the multiple-length flying shear 1 moves accurately along the preset track 313, meeting the precise requirements for adjusting the position of the multiple-length flying shear under different production scenarios.

[0039] A displacement sensor mounted on the cylinder barrel can detect the displacement of the piston rod in real time. By feeding the displacement information back to the control system, precise control of the movement of the transverse hydraulic cylinder 303 can be achieved. Operators can accurately adjust the moving distance of the multiple-length flying shear 1 according to actual production needs, avoiding the impact on maintenance efficiency due to insufficient or excessive movement. At the same time, the displacement sensor can also promptly detect abnormal piston rod movement, such as jamming or overtravel, ensuring the safe operation of the equipment.

[0040] Example 6 like Figure 7 As shown, based on the above embodiment, the fixed base 3 further includes: a support 312 disposed on the base 302, and a cover 304 disposed on the support 312.

[0041] In this embodiment, the support 312 is mounted on the base 302, and the end cap 304 is then installed on the support 312. This layered arrangement creates a more stable and reliable support structure. The support 312 provides a solid and stable bearing platform for the end cap 304, effectively dispersing the pressure and force generated by the end cap 304 and the lateral drive mechanism, reducing the risk of deformation caused by excessive local stress on the base 302, making the entire fixed base 3 structure more stable, and providing a solid foundation for the smooth movement of the movable base 2 and the stable operation of the multiple-length flying shear 1.

[0042] The introduction of support 312 makes the installation and disassembly of components such as cover 304 more convenient. When it is necessary to inspect or replace the inside of cover 304 or related components, cover 304 can be quickly positioned and disassembled by operating support 312 without the need for large-scale disassembly of base 302, which greatly shortens maintenance time, reduces maintenance difficulty and cost, and improves the maintainability and operating efficiency of the device.

[0043] Example 7 like Figure 7 and Figure 12 As shown, based on the above embodiment, the transverse drive mechanism is provided with an trunnion and is connected to the end cap 304 through the trunnion. A bushing 305 is provided between the trunnion and the support 312.

[0044] In this embodiment, the lateral drive mechanism is equipped with a trunnion and is connected to the end cap 304 via the trunnion. The trunnion serves as a rotation axis, providing a flexible fulcrum for the rotation of the lateral drive mechanism relative to the end cap 304. The bushing 305, which is provided between the trunnion and the support 312, effectively reduces the frictional resistance during trunnion rotation, making the rotation of the lateral drive mechanism smoother and more stable during the movement of the moving base 2. This avoids inaccurate movement caused by rotational jamming, improving the stability and reliability of the device operation.

[0045] The bushing 305 prevents the trunnion from directly contacting and rubbing against the support 312, effectively dispersing the pressure generated when the trunnion rotates and reducing the wear between the two. This not only reduces the frequency of component replacement and maintenance costs, but also extends the service life of the trunnion and support 312, ensuring the long-term stable operation of the device.

[0046] Example 8 like Figure 3 , Figure 5 , Figure 6 and Figure 10 As shown, based on the above embodiment, the automatic position adjustment device for the double-length flying shear also includes: a connecting plate 207, which is disposed on the base 201; a pin cylinder 204, which is disposed on the connecting plate 207, the pin cylinder 204 including a piston cylinder and a telescopic rod, the movable base 2 being connected to the fixed base 3 through the pin cylinder 204; a bracket 205 connected to the extended end of the telescopic rod, the bracket 205 being connected to a proximity switch 206; and a connector 308, which is disposed at the output end of the telescopic rod, the connector 308 having a pin hole for connecting to the piston cylinder.

[0047] In this embodiment, the automatic position adjustment device for the multiple-length flying shear also includes a connecting plate 207, a pin cylinder 204, and a connector 308. The connecting plate 207 is mounted on the base 201, and the pin cylinder 204 is installed on the connecting plate 207. This structure allows the movable base 2 to establish a stable connection with the fixed base 3 through the pin cylinder 204. The piston cylinder and telescopic rod design of the pin cylinder 204 provides a certain degree of flexibility in the connection. The telescopic rod can extend or retract as needed, realizing the dynamic adjustment of the connection state between the movable base 2 and the fixed base 3. This ensures the stability of the device during operation and facilitates rapid changes in the connection form under different working conditions.

[0048] A proximity switch 206 is installed on the bracket 205 connected to the extended end of the telescopic rod, which can accurately detect the position information of the moving base 2. When the moving base 2 moves to a specific position, the proximity switch 206 can promptly sense and feed back a signal, providing accurate information for the control system, thereby achieving precise adjustment of the position of the multiple-length flying shear and improving production accuracy and product quality. Specifically, when the multiple-length flying shear 1 is in the working position, the moving base 2 is locked by the locking cylinder 301. At this time, if it is necessary to retract the lateral drive mechanism on the fixed base 3, the piston rod of the locking cylinder 301 must be in the retracted state. When the moving base 2 is pulled outward, the lateral hydraulic cylinder 303 must first extend to its position, and then the piston rod of the pin cylinder 204 must extend to its position. At this time, the proximity switch 206 sends a confirmation signal to achieve a reliable connection with the moving base 2.

[0049] The connector 308 at the output end of the telescopic rod has a pin hole for connection with the piston cylinder. This design enhances the reliability of the connection between components. The pin hole connection is simple and effective, can withstand a certain amount of external force, reduces the risk of loosening or falling off, and ensures the stable operation of the pin cylinder 204 during operation, thereby guaranteeing the reliability and stability of the entire automatic position adjustment device for the multiple-length flying shear.

[0050] Example 9 like Figure 7 , Figure 9 and Figure 10 As shown, based on the above embodiment, the automatic adjustment device for the position of the double-length flying shear also includes: a trolley frame 306, which is disposed on the base 302. The top of the trolley frame 306 is provided with a mounting hole, and a connector 308 is inserted into the mounting hole. Wheels 307 are installed at both ends of the trolley frame 306. The wheels 307 are disposed on a preset track 313, and the preset track 313 is fixed on the base 302.

[0051] In this embodiment, wheels 307 are mounted at both ends of the trolley frame 306 and placed on a preset track 313, which is fixed to the base 302, providing a precise guide path for the movement of the movable base 2. The wheels 307 roll on the track, effectively limiting the direction of movement of the movable base 2, preventing it from deviating or wobbling, and ensuring that the multiple-length flying shear 1 can move along the preset accurate route, greatly improving the accuracy of position adjustment, thereby ensuring the accuracy of the cutting dimensions during the production process.

[0052] The trolley frame 306 is mounted on the base 302, and its top has mounting holes through which the connector 308 passes, providing a stable support platform for components such as the pin cylinder 204. This makes the connection between components more reliable, reduces the impact of vibrations generated during device operation on component connections, lowers the risk of component loosening or damage, and enhances the structural stability of the entire device.

[0053] The cooperation between the wheels 307 and the rails makes the movement of the mobile base 2 more flexible and smooth, reduces resistance during movement, lowers energy consumption, improves the operating efficiency of the device, and is conducive to achieving efficient and continuous production operations.

[0054] Example 10 Based on the above embodiments, the automatic position adjustment device for the double-length flying shear also includes: a centralized lubrication system, wherein the oil supply lines of the centralized lubrication system are respectively connected to the contact surfaces of the bottom sliding plate and the fixed base, and the contact surfaces of the side sliding plate and the fixed base.

[0055] In this embodiment, the centralized lubrication system can deliver lubricating oil to the contact surfaces in a timely and quantitative manner, forming a stable oil film between the bottom sliding plate 203 and the side sliding plate 202 and the fixed base 3. This can effectively reduce the coefficient of friction between the contact surfaces, reduce movement resistance, make the moving base 2 move more smoothly during lateral movement, avoid jamming and crawling caused by dry friction, and improve the stability and accuracy of equipment operation.

[0056] Continuous lubrication prevents high temperatures generated by friction on the contact surfaces, avoiding direct contact and wear between metal surfaces. This significantly extends the service life of the bottom slide plate 203, side slide plate 202, and fixed base 3, reducing the frequency of equipment maintenance and replacement costs, and improving the equipment's economy and reliability.

[0057] The centralized lubrication system automates lubrication management, eliminating the need for frequent manual lubrication operations and reducing maintenance workload and time. This helps maintain good equipment operating condition, improves production efficiency, and ensures continuous and stable production on high-speed bar production lines.

[0058] In practical applications, a precise positioning program is included in the reset preparation step: when the moving base approaches the target working position, based on feedback data from the displacement sensor, the traverse drive mechanism is controlled to perform jogging or deceleration until the positional error between the shear blade centerline and the rolling centerline of the double-length flying shear is less than a set threshold. This precise positioning program, through real-time feedback from the displacement sensor combined with jogging / deceleration control, effectively overcomes the influence of inertia, achieving millimeter-level precise centering of the double-length flying shear, significantly improving positioning accuracy and repeatability, thereby ensuring shearing quality, reducing adjustment time, and enhancing the automation and stability of production.

[0059] Two proximity switches 206 are arranged at intervals on the bracket 205 along the direction of movement of the telescopic rod. They are used to detect the two extreme positions of the pin cylinder 204: "fully extended" and "fully retracted," forming a dual-signal interlock logic. By using the dual proximity switches 206 to form an interlock detection, the extension and retraction status of the pin cylinder 204 can be accurately and reliably confirmed, effectively preventing mechanical interference or malfunctions caused by signal misinterpretation, and significantly improving the interlock safety and automatic cycle reliability of the equipment.

[0060] An auxiliary guiding mechanism is also provided between the trolley frame 306 and the base 302. This auxiliary guiding mechanism includes guide bars fixed to the base 302 and guide wheels located at the bottom of the trolley frame 306. It is used to resist lateral forces during lateral movement and ensure the straightness of the moving base 2. Through the cooperation of the guide bars and guide wheels, this auxiliary guiding mechanism effectively resists lateral forces and off-center loads during lateral movement, ensuring that the moving base 2 runs smoothly and with high straightness, thereby ensuring positioning accuracy, reducing wear on the track and slide plate, and improving the stability and lifespan of the entire device. Specific Implementation Example 1 Combination Figure 1-4 , Figure 7 This embodiment provides an automatic position adjustment device for a multiple-length flying shear used in a high-speed bar production line. The device includes a multiple-length flying shear 1, a movable base 2, and a fixed base 3. The multiple-length flying shear 1 is fixed to the movable base 2 by bolts. The movable base 2 is mounted on the fixed base 3 and connected to the fixed base 3 via a pin cylinder 204. The movable base 2 can move on the fixed base 3, and the multiple-length flying shear 1 moves simultaneously with the movable base 2.

[0062] The movable base 2 includes a base 201, side slides 202, and bottom slides 203. The bottom slides 203 and side slides 202 are both fixed to the base 201 by bolts.

[0063] The fixed base 3 includes a locking cylinder 301, a base 302, a transverse hydraulic cylinder 303, and a cover 304. The locking cylinder 301 is fixed to the base 302 by bolts, and the transverse hydraulic cylinder 303 is installed in the cover 304. The cover 304 is connected to the base 302 by bolts.

[0064] The oblique angle of the working surface X of the base 201 is α, and the value of angle α ranges from 20 degrees to 30 degrees. The bottom sliding plate 203 and the side sliding plate 202 are made of wear-resistant material. The connecting bolts are internal hexagon screws with countersunk holes. After the screws are installed and tightened, the top surface of the screw is recessed into the sliding plate by a distance of H1, where H1 ≥ 2mm. Specific Implementation Example 2 Combination Figure 5-6 , Figure 8 , Figure 11 Based on specific embodiment 1, this embodiment provides an automatic adjustment device for the position of a double-length flying shear. A bracket 205 is installed on the extended end of the piston rod of the pin cylinder 204, and a proximity switch 206 is connected to the bracket 205.

[0066] The fixed base 3 is arranged symmetrically along the center line NN. There shall be no less than 2 locking cylinders 301 on each side, and the total number shall be 4 or 6.

[0067] The locking cylinder 301 is a hydraulic locking cylinder or a disc spring locking cylinder. The locking cylinder 301 includes a locking cylinder body 310 and a pressure plate 311. The pressure plate 311 is fixed to the locking cylinder body 310 by internal hexagonal screws. The connecting hole of the pressure plate 311 is a countersunk design; after the screws are tightened, the distance by which its top surface is recessed into the sliding plate is preferably not less than 2mm. The pressure plate 311 is made of wear-resistant material. The contact surface between the pressure plate 311 and the working surface X of the seat 201 is Y, and the angle of inclination of the Y surface is the same as the angle of inclination α of the X surface. Specific Implementation Example 3 Combination Figure 7 , Figure 12Based on specific embodiment 1, this embodiment provides an automatic position adjustment device for a double-length flying shear. The transverse hydraulic cylinder 303 is connected by a central trunnion. A bushing 305 is provided between the transverse hydraulic cylinder 303 and the end cap 304. The bushings 305 are symmetrically arranged and made of a self-lubricating material. The end cap 304 is mounted on the support 312. To ensure the strength of the mounting point, the support 312 and the base 302 are integrally welded structures. Specific Implementation Example 4 Combination Figure 9-10 Based on specific embodiment 1, this embodiment provides an automatic position adjustment device for a double-length flying shear. A connector 308 is installed on the piston rod head of the transverse hydraulic cylinder 303. The connector 308 has a pin hole machined on it for connecting to the piston cylinder of the pin-type cylinder 204. The connector 308 is installed in the mounting hole of the trolley frame 306. Screw holes are machined on the top of the trolley frame 306, and set screws 309 are installed thereon. The set screws 309 are used to prevent the connector 308 from moving or rotating axially. Wheels 307 are installed at both ends of the trolley frame 306. The wheels 307 are mounted on a preset track 313, which is fixed to the base 302.

[0070] To ensure that the trolley frame 306 does not deviate when running on the preset track 313, both wheels 307 are single-sided grooved wheels. Alternatively, one wheel can be a flat wheel and the other a double-sided grooved wheel. Specific Implementation Example 5 Combination Figure 5 , Figure 7 Based on specific embodiment 1, this embodiment provides an automatic position adjustment device for a double-length flying shear. The distance between the positioning step machined on the connector 308 and the pin hole is H3. The pin cylinder 204 is fixed to the connecting plate 207 by bolts, and the connecting plate 207 is welded and fixed to the base 201. The distance between the positioning end face of the connecting plate 207 and the pin hole is H2, and H2 and H3 are in a mating dimension relationship. The horizontal movement hydraulic cylinder 303 of the fixed base 3 is equipped with a built-in displacement sensor. Specific Implementation Example 6 This embodiment also provides a control method for an automatic position adjustment device for a double-length flying shear, including the following steps: Step 1: When the double-length flying shear is in working condition, the locking cylinder is in the extended position, and the pin cylinder and the lateral hydraulic cylinder are both in the retracted position. Step 2: When the double-length flying shear needs to be stopped, the double-length flying shear drive device is powered off and stops working. The horizontal hydraulic cylinder extends to the positioning step of the conveyor joint and stops after reaching the positioning end face of the connecting plate. The pin cylinder extends, and after the proximity switch detects the signal, the locking cylinder retracts. Step 3: The horizontal hydraulic cylinder retracts and drives the double-length flying shear and the moving base to move away from the rolling center line. After the maintenance distance increases, the staff can carry out maintenance and blade replacement operations on the double-length flying shear. Step 4: After the operation is completed, the horizontal hydraulic cylinder extends until the center line of the shear blade coincides with the center line of the rolling mill and stops. The locking cylinder extends and the pin cylinder retracts. Step 5: The lateral hydraulic cylinder retracts to its initial position, and the drive power supply for the double-length flying shear is activated. This completes one overhaul and blade replacement operation for the double-length flying shear.

[0073] In this application, the term "multiple" refers to two or more unless otherwise expressly defined. The terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0074] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which 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 may be combined in any suitable manner in one or more embodiments or examples.

[0075] The above description is merely a preferred embodiment of this application and is not intended to limit 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 protection scope of this application.

Claims

1. An automatic position adjustment device for a double-length flying shear, characterized in that, include: A fixed base, comprising a base, a cover, a locking mechanism, and a transverse drive mechanism, wherein the cover and the locking mechanism are disposed on the base, and the transverse drive mechanism is disposed in the cover; A movable base is movably mounted on the fixed base, connected to the transverse drive mechanism via a pin cylinder, and driven by the transverse drive mechanism to move along a preset track; The double-length flying shear is mounted on the movable base and can move together with the movable base; The movable base includes a base body, a connecting plate, a bottom sliding plate disposed on the bottom surface of the base body, and a side sliding plate disposed on the side surface of the base body. The connecting plate is disposed on the base body, and the pin cylinder is disposed on the connecting plate. The bottom sliding plate and the side sliding plate are used to achieve movement guidance.

2. The automatic position adjustment device for double-length flying shears according to claim 1, characterized in that, The locking mechanism includes a plurality of locking cylinders arranged at intervals along the extension direction of the preset track, for locking the movable base to the fixed base; The lateral movement drive mechanism is a lateral movement hydraulic cylinder, with one end of the lateral movement hydraulic cylinder disposed on the fixed base and the other end connected to the movable base.

3. The automatic position adjustment device for double-length flying shears according to claim 2, characterized in that, The locking cylinder in the locking mechanism is a hydraulic locking cylinder or a disc spring locking cylinder.

4. The automatic position adjustment device for double-length flying shears according to claim 3, characterized in that, The seat body is provided with a locking mating surface, the locking cylinder is provided with a pressure plate, the pressure plate is provided with a contact plane for fitting with the locking mating surface, the inclination angle of the contact plane matches the inclination angle α of the locking mating surface, and the value of angle α ranges from 20 degrees to 30 degrees.

5. The automatic position adjustment device for double-length flying shears according to claim 2, characterized in that, The transverse hydraulic cylinder includes: Cylinder; The piston rod, assembled inside the cylinder, is used for outputting linear drive; A displacement sensor is installed in the cylinder to detect the displacement of the piston rod.

6. The automatic position adjustment device for multiple-length flying shears according to any one of claims 1 to 5, characterized in that, The fixed base also includes: A support is disposed on the base, and a cover is disposed on the support.

7. The automatic position adjustment device for multiple-length flying shears according to claim 6, characterized in that, The transverse drive mechanism is provided with an trunnion and is connected to the end cap through the trunnion. A bushing is provided between the trunnion and the support.

8. The automatic position adjustment device for multiple-length flying shears according to any one of claims 1 to 5, characterized in that, Also includes: A connecting plate is provided on the base body; A pin cylinder is disposed on the connecting plate. The pin cylinder includes a piston cylinder and a telescopic rod. The movable base is connected to the fixed base through the pin cylinder. A bracket is connected to the extended end of the telescopic rod, and a proximity switch is connected to the bracket. A connector is provided at the output end of the telescopic rod, and the connector is provided with a pin hole for connecting to the piston cylinder.

9. The automatic position adjustment device for multiple-length flying shears according to claim 8, characterized in that, Also includes: A small trolley frame is mounted on the base. The top of the trolley frame has a mounting hole, and the connector passes through the mounting hole. Wheels are mounted on both ends of the trolley frame, and the wheels are mounted on the preset track, which is fixed to the base.

10. The automatic position adjustment device for multiple-length flying shears according to any one of claims 1 to 5, characterized in that, Also includes: A centralized lubrication system, wherein the oil supply lines of the centralized lubrication system are respectively connected to the contact surfaces of the bottom sliding plate and the fixed base, and the contact surfaces of the side sliding plate and the fixed base.

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