Offline arc alignment device for simulating online continuous casting withdrawal and straightening machine

Abstract

The utility model discloses an off-line arc alignment device for simulating an on-line continuous casting withdrawal and straightening machine, and belongs to the technical field of metallurgical rolling equipment. The device comprises an arc alignment table and an arc alignment sample plate installed on the arc alignment table, the arc alignment table comprises an off-line base and a plurality of positioning assemblies installed on the off-line base at intervals, and different withdrawal and straightening units in the withdrawal and straightening unit are supported and positioned through the multiple positioning assemblies; the positioning assembly comprises a connecting bottom plate and a positioning assembly seat; a bottom plate groove is formed in the top of the connecting bottom plate, and the connecting bottom plate is mounted at the top of the offline base; positioning center holes symmetrically distributed on the two sides of the third reference surface are formed in the outer side; measuring center holes are formed in the outer sides of a first positioning block, a second positioning block, a third positioning block and a fourth positioning block in the positioning assembly seat; according to the scheme, the arc table is optimally designed, so that the machining, adjusting and measuring processes of the arc table can be simplified.

Description

Technical Field

[0001] This utility model relates to the field of metallurgical rolling equipment technology, and more specifically, to an offline arc-aligning device that mimics an online continuous casting straightening machine. Background Technology

[0002] In existing projects, continuous casting machines typically employ a multi-strand layout with 3 to 6 strands at equal intervals. Each strand has multiple straighteners for straightening the continuous casting billets and feeding the dummy bar. In the straightening area of ​​the continuous casting machine, the accuracy error between the straightening points of the roller train and the designed arc has a significant impact on the quality of the continuous casting billet. Because the straighteners are located in the arc and horizontal sections of the continuous casting machine, and the spacing between each strand is small, the installation and online arc adjustment of the straighteners are time-consuming, the operating space is limited, and the work is difficult.

[0003] In existing technologies, to ensure that the arc of the tension leveler installed online matches that of the continuous casting machine, an offline arc alignment method is used. After adjustment, the tension leveler is then hoisted to the online area of ​​the continuous casting machine for installation. However, offline tension leveler arc alignment devices generally only simulate horizontal or arc sections, and only align a single tension leveler at a time. This cannot effectively eliminate accumulated errors, nor can it fully simulate the arc alignment of the arc section, resulting in a secondary adjustment after online installation, increasing workload and time costs.

[0004] A search revealed Chinese patent application number 2014106560312, which discloses an offline rapid arc alignment method for the moving section of an arc-shaped billet continuous casting machine. Specifically, the method includes fixing the inner arc side of the moving section of the continuous casting machine upwards onto an arc alignment platform; measuring and adjusting the height of the upper surface of the outer arc rollers of both ends of the roller frame relative to the measuring platform; measuring and adjusting the distance between the left or right roller of each end of the roller frame and the center line; placing an arc alignment template on the outer arc rollers of both ends of the roller frame as a fulcrum, measuring and adjusting the gap between the outer arc rollers of each intermediate roller frame and the arc alignment template using a feeler gauge; placing one side of the arc alignment template close to one side roller of each end of the roller frame and tangent to the two roller surfaces, measuring and adjusting the gap between the side rollers of each intermediate roller frame and the arc alignment template using a feeler gauge; measuring and adjusting the roller spacing between two adjacent inner arc rollers; and measuring and adjusting the roller spacing between adjacent side rollers. This application enables the alignment of the relative positions of multiple straightening machines, thereby effectively eliminating cumulative errors.

[0005] Although existing straightening machine arc alignment devices can simulate continuous arc segments and horizontal segments to continuously align multiple straightening machines and achieve relative arc alignment between multiple straightening machines, the structure of the arc alignment table used in the current arc alignment method is relatively complex, and correspondingly, its installation and adjustment process is relatively complex. Utility Model Content

[0006] 1. Technical problems to be solved

[0007] To address the technical problem of the complex installation and adjustment process of existing arc-aligning devices in continuous casting straightening machines, this invention provides an offline arc-aligning device that mimics the design of an online continuous casting straightening machine. This solution optimizes the arc-aligning platform design by incorporating multiple positioning components on the offline base. Each positioning component includes a connecting base plate and a positioning component seat. A positioning center hole in the connecting base plate serves as a reference point for ensuring the installation accuracy of the connecting base plate relative to the offline base. Measurement center holes are formed on the outer sides of each positioning component seat, serving as dimensional reference points for the positioning component seat's installation within the grooves of the base plate. This not only improves relative installation accuracy but also simplifies the installation, adjustment, and measurement processes.

[0008] 2. Technical solutions adopted

[0009] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0010] This utility model provides an offline arc-aligning device for an online continuous casting straightening machine, including an arc-aligning table and an arc-aligning template installed on the arc-aligning table. The arc-aligning template includes arc segments and straight segments. The arc-aligning table includes an offline base and multiple positioning components installed at intervals on the offline base. The multiple positioning components support and position different straightening machines in the straightening unit. The positioning components include a connecting base plate and a positioning component seat. The connecting base plate has a base plate groove on its top and is installed on the top of the offline base. It also has positioning center holes symmetrically distributed on both sides of a third reference plane on its outer side. The positioning component seat includes a first positioning center hole that is height-adjustable and installed in the base plate groove. The system comprises a first positioning block, a second positioning block, a third positioning block, and a fourth positioning block. The first and second positioning blocks, as well as the third and fourth positioning blocks, are symmetrically distributed on both sides of the third reference plane, and each has a corresponding measurement center hole on its outer side. Both the positioning center hole and the measurement center hole are perpendicular to the third reference plane. The offline base also has a horizontal first reference plane and a vertical second reference plane. Both the first and second reference planes are orthogonal to the third reference plane. The positioning center hole serves as a dimensional reference point for the connection base plate to be installed on the offline base. The measurement center hole serves as a dimensional reference point for the measurement positioning component seat to be installed on the connection base plate.

[0011] Furthermore, each positioning component seat includes two connecting base plates spaced apart on the top of the offline base, and each connecting base plate is provided with base plate grooves symmetrically distributed on both sides of the third reference surface; the first positioning block and the second positioning block, the third positioning block and the fourth positioning block are respectively installed in the corresponding base plate grooves.

[0012] Furthermore, the first positioning block, the second positioning block, the third positioning block, and the fourth positioning block are all installed in the groove of the base plate by positioning seat connecting screws, and each of them is provided with a positioning seat adjusting shim between itself and the corresponding groove of the base plate.

[0013] Furthermore, both the first positioning block and the second positioning block are mounted on the corresponding base plate grooves via positioning pins.

[0014] Furthermore, the top of the first positioning block is provided with a cylindrical protrusion corresponding to the first groove in the base of the tension straightening machine, the top of the second positioning block is provided with a linear slide rail corresponding to the second groove in the base of the tension straightening machine, the first positioning block contact surface on the top of the first positioning block and the second positioning block contact surface on the top of the second positioning block are both flat and flush, and the tops of the third positioning block and the fourth positioning block are both flat.

[0015] Furthermore, the offline base is used to support the end of the straight segment of the arc template, which is provided with a first reference plate, the upper surface of which forms a horizontal first reference surface. The end is also provided with a second reference plate, the outer side wall of which forms a vertical second reference surface. The top of the other end of the offline base is provided with a third reference block, the side wall of which forms a vertical third reference surface. The first reference surface, the second reference surface, and the third reference surface are orthogonal to each other.

[0016] Furthermore, the arc template is a split design, comprising a first pair of arc templates and a second pair of arc templates arranged sequentially. The lower surface of the first pair of arc templates includes an arc segment, and the lower surface of the second pair of arc templates includes an arc segment and a straight segment tangent to the arc segment. The arc platform also includes a first support roller, a second support roller, and a third support roller spaced apart on the top of the offline base. The first support roller, the second support roller, and the third support roller are used to support the lower end surfaces of the first pair of arc templates and the second pair of arc templates.

[0017] Furthermore, the adjacent ends of the first pair of arc templates and the second pair of arc templates are straight and have corresponding clearance grooves, and are supported by the second support roller; the other ends of the first pair of arc templates and the second pair of arc templates are respectively provided with a first pair of arc grooves adapted to the first support roller and a second pair of arc grooves adapted to the third support roller; the center height of the roller shafts of the first support roller, the second support roller and the third support roller can be adjusted respectively, and the distance of the first support roller and the third support roller relative to the second reference surface can be adjusted.

[0018] Furthermore, the third support roller includes a third support frame and a third support roller. The two ends of the third support roller are rotatably mounted on two third roller bearing seats. The third roller bearing seats are slidably mounted on the third concave seat and locked and positioned by the third adjusting bolt pair. A third support roller adjusting shim is provided between the bearing seats and the third concave seat. The third concave seat is fixedly mounted on the top of the offline base by the third support frame.

[0019] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0020] (1) This utility model optimizes the offline base by adding a first reference plate, a second reference plate and a third reference block to form three mutually orthogonal measurement reference surfaces, which serve as the processing dimension reference surfaces of the offline base, as well as the positioning references for the support roller installation, the arc template installation and the positioning component seat for supporting the base of the tension straightening machine. The reference surfaces in the three directions are unique, effectively eliminating the cumulative error during processing and installation.

[0021] (2) This utility model further optimizes the design of the positioning component. Specifically, the positioning component includes a connecting base plate and a positioning component seat. The connecting base plate is installed on the top of the offline base. A base plate groove is provided on the upper surface of the connecting base plate, and the upper surface of the connecting base plate is machined to ensure flatness, which helps to reduce the area of ​​precision machining. Furthermore, a positioning center hole is machined on the outer side of each connecting base plate to control the relative positional accuracy between the connecting base plate and the offline base during welding, thereby providing a high-precision installation foundation for the positioning component seat.

[0022] (3) This utility model further optimizes the fixed connection method between the positioning component seat and the base plate groove. Specifically, in addition to setting corresponding positioning seat connecting screws, corresponding positioning pin holes are added between the first positioning block, the second positioning block and the base plate groove, which helps to improve the positioning accuracy between the first positioning block, the second positioning block and the base plate groove. Moreover, shim sets are provided between the first positioning block, the second positioning block, the third positioning block and the fourth positioning block and the base plate groove, and the elevation can be accurately adjusted by adjusting the shim sets. More importantly, measuring center holes are provided on the relatively outer sides of the first positioning block, the second positioning block, the third positioning block and the fourth positioning block, which facilitates the measurement of their installation dimensions.

[0023] (4) This utility model further optimizes the connection method between the positioning component seat and the straightening machine. Specifically, the top of the first positioning block and the second positioning block are respectively provided with cylindrical protrusions and linear slide rails that are adapted to the base of the straightening machine. The first positioning block serves as a fixed constraint for the straightening machine; the second positioning block serves as a longitudinal free constraint for the straightening machine, where longitudinal refers to the horizontal axis of the second positioning block, and the horizontal axis is perpendicular to the third reference plane; the third positioning block and the fourth positioning block are both bidirectionally free, and the base of the straightening machine is placed on the top surface of both. The connection here limits the base of the straightening machine to slide relative to each other along the contact surface; the straightening machine falls directly on the base, and the straightening machine is fixed to the groove of the base plate by the positioning seat connecting screws. Then, the arc straightening work can be performed. The straightening machine is easy to install and has accurate positioning.

[0024] (5) The present invention optimizes the way the third support roller is fixed to the offline base. Specifically, the third roller bearing seat is slidably installed on the third concave seat along its radial direction and locked and positioned by the third adjusting bolt pair, thereby realizing the fine adjustment of the horizontal positioning dimension of the center point of the roller shaft in the third support roller. In addition, a third support roller adjusting shim is provided between the third roller bearing seat and the third concave seat, so as to facilitate the precise adjustment of the elevation dimension of the center of the roller shaft in the third support roller and the distance from the second reference surface.

[0025] (6) The present invention further optimizes the structure of the arc template. Specifically, the ends of the arc template that are far apart from each other are provided with a first pair of arc grooves that engage with the first support roller and a second pair of arc grooves that engage with the third support roller. The adjacent ends of the two pairs of arc templates are designed as straight lines. The ends are supported on the top surface of the roller shaft in the second support roller. Therefore, the second support roller only needs to ensure the elevation accuracy. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the axial side structure of the offline arc-aligning device of the simulated online continuous casting straightening machine in the embodiment.

[0027] Figure 2 for Figure 1 A magnified schematic diagram of the structure at point A in the middle.

[0028] Figure 3 This is a three-dimensional structural diagram of a positioning component seat in one of the embodiments.

[0029] Figure 4 This is a partial top view of another positioning component seat in the embodiment.

[0030] Figure 5 for Figure 6 Schematic diagram of the cross-sectional structure at point BB.

[0031] Figure 6 for Figure 6 A schematic diagram of the cross-sectional structure at point CC.

[0032] Figure 7 for Figure 1 An enlarged structural diagram of the end where the third support roller is located.

[0033] Figure 8 for Figure 1 Enlarged structural diagram of the second support roller seat.

[0034] Figure 9 For the example Figure 1 A schematic diagram of the main structure.

[0035] Figure 10 for Figure 9A magnified schematic diagram of the structure at point D.

[0036] Figure 11 for Figure 9 A magnified schematic diagram of the structure at point E in the middle.

[0037] Figure 12 This is an installation dimension control diagram for an embodiment of the present utility model.

[0038] Label Explanation:

[0039] 1. Offline base; 101. First reference plate; 1011. First reference surface; 102. Second reference plate; 1021. Second reference surface; 103. Third reference block; 1031. Third reference surface;

[0040] 2. Positioning components; 201. Connecting base plate; 2011. Base plate groove; 2012. Positioning center hole; 202. First positioning block; 2021. First positioning block contact surface; 203. Second positioning block; 2031. Second positioning block contact surface; 204. Third positioning block; 205. Fourth positioning block; 206. Positioning seat adjusting shim; 207. Measuring center hole 207; 208. Positioning pin; 209. Positioning seat connecting screw;

[0041] 3. Arc template; 301. First arc template; 302. Second arc template; 3021. Second arc groove;

[0042] 4. First support roller;

[0043] 5. Second support roller; 501. Type I seat; 502. Fixed stop block;

[0044] 6. Third support roller; 601. Third support frame; 602. Third concave seat; 603. Third roller bearing seat; 604. Third support roller; 605. Third support roller adjusting shim; 606. Third adjusting bolt pair;

[0045] 7. Straightening machine; 701. Lower roller adjusting shim;

[0046] 8. Control panel. Detailed Implementation

[0047] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings and embodiments.

[0048] The structures, proportions, and sizes illustrated in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art in understanding and reading the invention. They are not intended to limit the scope of the invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of the invention, should still fall within the scope of the technical content disclosed herein. Furthermore, terms such as "upper," "lower," "left," "right," and "middle" used in this specification are merely for clarity and not intended to limit the scope of implementation. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the invention's implementation.

[0049] The following embodiments use the straightening process of seven straightening machines as an example to illustrate the process in detail. Accordingly, the straightening unit in the arc straightening device includes seven straightening machines 7.

[0050] This embodiment provides an offline arc-aligning device that mimics an online continuous casting straightening machine 7. (Refer to...) Figures 1-6 , Figure 9 As shown, the arc-aligning device includes an arc-aligning platform and an arc-aligning template 3 mounted on the platform. The arc-aligning template 3 includes arc segments and straight segments. The arc-aligning platform includes an offline base 1 and multiple positioning components 2 spaced apart on the offline base 1. The multiple positioning components 2 support and position different straighteners 7 in the straightener group 7. The positioning component 2 includes a connecting base plate 201 and a positioning component seat. The connecting base plate 201 has a base plate groove 2011 on its top and is mounted on the top of the offline base 1. It also has positioning center holes 2012 symmetrically distributed on both sides of the third reference plane 1031 on its outer side. The positioning component seat includes a first positioning block 202, a second positioning block 203, a third positioning block 204, and a fourth positioning block 205, all height-adjustable and mounted on the base plate groove 2011. Block 205, the first positioning block 202 and the second positioning block 203, the third positioning block 204 and the fourth positioning block 205 are symmetrically distributed on both sides of the third reference surface 1031, and each side has a corresponding measurement center hole 207 on its outer side; the positioning center hole 2012 and the measurement center hole 207 are both set perpendicular to the third reference surface 1031; the offline base 1 also has a horizontal first reference surface 1011 and a vertical second reference surface 1021; the first reference surface 1011 and the second reference surface 1021 are both orthogonal to the third reference surface 1031; the positioning center hole 2012 is used to connect the base plate 201 to the dimension reference point on the offline base 1; the measurement center hole 207 is used to measure the dimension reference point on the connecting base plate 201 where the positioning component seat is installed.

[0051] Among them, reference Figure 1As shown, the offline base 1 is modeled after the online tension leveling machine base, with the same precision requirements. It is arc-shaped and horizontal, and can be either a separate unit or an integral unit; in this embodiment, it is made as an integral unit. The offline base 1 is fixed to the civil engineering foundation with anchor bolts. Two operating platforms 8 are arranged on both sides of the offline base 1 to facilitate installation by workers and the alignment work of the tension leveling machine 7.

[0052] For information on setting the reference plane, please refer to... Figure 2 , Figure 7 As shown, specifically: The offline base 1, which supports the straight section of the arc template 3, has a first reference plate 101 at its end, the upper surface of which forms a horizontal first reference surface 1011. A second reference plate 102 is also provided at this end, the outer wall of which forms a vertical second reference surface 1021. A third reference block 103 is provided at the top of the other end of the offline base 1, the side wall of which forms a vertical third reference surface 1031. That is, the third reference surface 1031 is the plane containing the axis of symmetry of the offline base 1. The first reference surface 1011, the second reference surface 1021, and the third reference surface 1031 are orthogonal to each other. These reference planes are used to control the relative positional accuracy of the offline base 1 and other components in the arc-aligning device, serving as the reference for the installation of each component, including the connecting base plate 201, the positioning component seat, and multiple support rollers. They also act as measurement references during subsequent adjustment. The reference planes of this arc-aligning device are uniquely determined in all three directions, effectively eliminating accumulated errors during processing and installation.

[0053] refer to Figure 12 As shown, in the horizontal dimension drawing, L1-L14 and X1-X3 are measured using the second reference plane 1021 as the reference plane, while the elevation dimensions D1-D11 and Y1-Y3 are measured using the first reference plane 1011 as the reference plane.

[0054] It should be noted that the positioning center hole 2012 serves as a dimensional reference point for the mounting of the connecting base plate 201 onto the offline base 1. Specifically, when the connecting base plate 201 is fixedly mounted on the top of the offline base 1, the dimensions of the positioning center hole 2012 relative to the first reference surface 1011, the second reference surface 1021, and the third reference surface 1031 are used to control the mounting position of the connecting base plate 201 relative to the offline base 1, thereby ensuring the accuracy of their relative mounting positions. Preferably, the connecting base plate 201 is fixedly mounted on the top of the offline base 1 by welding. Specifically, a base plate groove 2011 is provided on the top of the connecting base plate 201. Only the upper surface of the base plate groove 2011 needs to be machined, resulting in high surface finish and flatness accuracy, thereby reducing the area of ​​high-precision machining.

[0055] The first positioning block 202, the second positioning block 203, the third positioning block 204, and the fourth positioning block 205 are located at the four vertices of the rectangle, providing support for the bottom perimeter of a single tension leveling machine 7. The first positioning block 202 and the second positioning block 203 are symmetrically distributed on both sides of the third reference surface 1031, and their respective outer sides are provided with measuring center holes 207. The dimensions of the measuring center holes 207 in the first positioning block 202, the second positioning block 203, the third positioning block 204, and the fourth positioning block 205 relative to the first reference surface 1011, the second reference surface 1021, and the third reference surface 1031 are used to control the installation position of the positioning component seat relative to the base plate groove 2011. More specifically, each positioning component seat includes two connecting base plates 201 spaced apart on the top of the offline base 1, and each connecting base plate 201 is provided with base plate grooves 2011 symmetrically distributed on both sides of the third reference surface 1031; the first positioning block 202 and the second positioning block 203, the third positioning block 204 and the fourth positioning block 205 are respectively installed in the corresponding base plate grooves 2011.

[0056] Preferably, the first positioning block 202 and the second positioning block 203, and the third positioning block 204 and the fourth positioning block 205 are all installed in the corresponding base plate grooves 2011 by positioning seat connecting screws 209, and positioning seat adjusting shims 206 are respectively provided between each of them and the corresponding base plate grooves 2011, so as to facilitate the adjustment of the installation height of the first positioning block 202 and the second positioning block 203, and the third positioning block 204 and the fourth positioning block 205. The positioning seat adjusting shims 206 on the lower end face of the first positioning block 202 and the second positioning block 203 are increased or decreased synchronously; similarly, the positioning seat adjusting shims 206 on the lower end face of the third positioning block 204 and the fourth positioning block 205 are increased or decreased synchronously.

[0057] More specifically, the first positioning block 202 and the second positioning block 203, the third positioning block 204 and the fourth positioning block 205 are all provided with countersunk threaded connection holes; correspondingly, the bottom plate groove 2011 is provided with corresponding threaded holes, so as to realize the fixed installation of the first positioning block 202 and the second positioning block 203, the third positioning block 204 and the fourth positioning block 205 in the corresponding bottom plate groove 2011 by positioning seat connecting screws 209.

[0058] Preferably, the first positioning block 202 and the second positioning block 203 are also mounted on the corresponding base plate groove 2011 via positioning pins 208. More preferably, both the first positioning block 202 and the second positioning block 203 have positioning pin holes, and correspondingly, the base plate groove 2011 has corresponding positioning pin holes. The positioning pins 208 are inserted into the positioning pin holes to achieve precise positioning between the first positioning block 202, the second positioning block 203, and the corresponding base plate groove 2011. Positioning pin holes offer higher dimensional accuracy and positional tolerance accuracy than threaded connections, thus this positioning method is more precise. More preferably, the central axes of the measuring center holes 207 in both the first positioning block 202 and the second positioning block 203 intersect perpendicularly with the central axes of the corresponding positioning pin holes.

[0059] More preferably, the center axis of the positioning center hole 2012 intersects perpendicularly with the center axis of the positioning pin hole of the corresponding base plate groove 2011.

[0060] In the base of a tension leveling machine, the first and second grooves are generally symmetrically arranged on both sides of its axis of symmetry. (Reference) Figure 3 As shown, the top of the first positioning block 202 is provided with a cylindrical protrusion corresponding to the first groove in the base of the tension straightening machine, and the top of the second positioning block 203 is provided with a linear slide rail corresponding to the second groove in the base of the tension straightening machine. The first positioning block contact surface 2021 on the top of the first positioning block 202 and the second positioning block contact surface 2031 on the top of the second positioning block 203 are both flat and flush. The tops of the third positioning block 204 and the fourth positioning block 205 are both flat. That is, the tops of the first positioning block 202, the second positioning block 203, the third positioning block 204, and the fourth positioning block 205 are adapted to the base of the tension straightening machine.

[0061] The tops of the third positioning block 204 and the fourth positioning block 205 are both flat. The lower end face of the straightening machine base is in contact with the tops of the third positioning block 204 and the top planes of the fourth positioning block 205. The straightening machine base can slide relative to the tops of the third positioning block 204 and the top planes of the fourth positioning block 205. That is, after this limitation, the straightening machine base still has two degrees of freedom in the horizontal direction. The second groove in the straightening machine base is engaged with the linear slide rail of the second positioning block 203. The second groove can slide relative to the linear slide rail of the second positioning block 203. That is, the straightening machine base can slide relative to the linear slide rail in the second positioning block 203 in a direction perpendicular to the third reference plane 1031. After this limitation, the straightening machine base still has one degree of freedom in the sliding direction. The first groove in the straightening machine base is engaged in the cylindrical protrusion of the first positioning block 202. After this limitation, the straightening machine base is fixedly constrained, thereby limiting the position of the straightening machine 7 relative to the positioning component seat.

[0062] As a further preferred embodiment of any of the above embodiments, the arc template 3 is a split type, comprising a first pair of arc templates 301 and a second pair of arc templates 302 arranged sequentially. The lower surface of the first pair of arc templates 301 includes an arc segment, the radius of which is consistent with the radius of the outer arc of the continuous casting machine straightening line. The lower surface of the second pair of arc templates 302 includes an arc segment and a straight segment tangent to the arc segment. The radius of the arc segment in the second pair of arc templates 302 is consistent with the radius of the outer arc of the continuous casting machine straightening line. During arc alignment, the height of the first pair of arc templates 301 gradually decreases from one end near the first support roller 4 to the other end, and the height of the second pair of arc templates 302 gradually decreases from one end near the first pair of arc templates 301 to the other end. Compared to the integral arc template 3, this facilitates the removal of the first pair of arc templates 301 from the straightening machine group 7 after arc alignment.

[0063] The arc-setting platform also includes a first support roller 4, a second support roller 5, and a third support roller 6 spaced apart on the top of the offline base 1; the first support roller 4, the second support roller 5, and the third support roller 6 are used to support the lower end surfaces of the first arc-setting template 301 and the second arc-setting template 302. Preferably, the bottoms of the first support roller 4, the second support roller 5, and the third support roller 6 are fixed to the offline base 1 by bolts.

[0064] Taking a straightening machine 7, which includes 7 straightening machines 7, as an example, the first pair of arc templates 301 is used to straighten the arc of the 4 sets of straightening machines 7 in the arc section, and the second pair of arc templates 302 is used to straighten the subsequent arc section and the straight section of the 3 straightening machines 7. The overlap of the first pair of arc templates 301 and the second pair of arc templates 302 is located between the 4th and 5th straightening machines 7 along the flow direction of the continuously cast billet.

[0065] In some embodiments, the center height of the roller shafts of the first support roller 4, the second support roller 5, and the third support roller 6 can be adjusted respectively, and can be adjusted along the distance relative to the second reference plane 1021, thereby providing more support points for the arc template 3 and precise arc adjustment.

[0066] In other embodiments, reference is made to... Figures 7-11 As shown, the adjacent ends of the first pair of arc templates 301 and the second pair of arc templates 302 are straight and have corresponding clearance grooves, and are supported by the second support roller 5; the other ends of the first pair of arc templates 301 and the second pair of arc templates 302 are respectively provided with a first pair of arc grooves adapted to the first support roller 4 and a second pair of arc grooves adapted to the third support roller 6; the center height of the roller shafts of the first support roller 4, the second support roller 5 and the third support roller 6 can be adjusted respectively, and the center of the roller shafts of the first support roller 4 and the third support roller 6 can be adjusted along the extension direction of the offline base 1.

[0067] The first pair of arc templates 301 are engaged with the first support roller 4 by means of the first pair of arc grooves, and the second pair of arc templates 302 are engaged with the first support roller 4 by means of the second pair of arc grooves 3021. The other ends of the first pair of arc templates 3 and the second pair of arc templates 3 are both straight segments and are supported by the second support roller 5. Therefore, the second support roller 5 only needs to ensure the elevation accuracy, and its distance relative to the second reference surface 1021 does not need to be adjusted.

[0068] Both the first pair of arc templates 301 and the second pair of arc templates 302 are designed with one end engaged and the other end supported only on the top of the second support roller 5, which facilitates the installation and removal of the first pair of arc templates 301 and the second pair of arc templates 302. Moreover, the method of supporting only the top of the second support roller 5 at the other end simplifies the need for adjusting the dimensionality of the second support roller 5, that is, its distance relative to the second reference surface 1021 does not need to be adjusted.

[0069] As a preferred embodiment of the third support roller 6, refer to Figure 7 , Figure 11 As shown, the third support roller 6 includes a third support frame 601 and a third support roller 604. The two ends of the third support roller 604 are rotatably mounted on two third roller bearing seats 603. The third roller bearing seats 603 are slidably mounted on the third concave seat 602 and locked and positioned by the third adjusting bolt pair 606. A third support roller adjusting shim 605 is provided between the third support roller and the bottom plate groove 2011. The third concave seat 602 is fixedly mounted on the top of the offline base 1 by the third support frame 601.

[0070] Specifically, the opening direction of the third concave seat 602 is the same as the extension direction of the offline base 1. The third roller bearing seat 603 can slide along the opening direction of the third concave seat 602, thereby adjusting the distance between the third roller bearing seat 603 and the second reference surface 1021. After the third roller bearing seat 603 is adjusted to a suitable position in the third concave seat 602, the third roller bearing seat 603 is locked in the third concave seat 602 by the third adjusting bolt pair 606.

[0071] The upper concave surface of the third concave seat 602 is a machined surface, and its flatness and roughness must be controlled within a reasonable range. More specifically, the third concave seat 602 is welded to the top of the third support frame 601.

[0072] More preferably, the bottom of the third support frame 601 is fixedly mounted to the top of the offline base 1 via the first reference plate 101.

[0073] For ease of installation and processing, the structure of the first support roller 4 is roughly the same as that of the third support roller 6, except that the heights of the first support roller 4 and the third support roller 6 are different.

[0074] The structure of the second support roller 5 can also be the same as that of the third support roller 6. During adjustment, only the center height of the roller shaft in the second support roller 5 needs to be adjusted. The structure of the second support roller 5 is simplified as follows: the second roller bearing seat is located on the upper end face of the first type seat 501, and fixed blocks 502 are provided on both sides of the first type seat 501 along the extending direction of the offline base 1 to confine the second roller bearing seat to the first type seat 501. The first type seat 501 and the second roller bearing seat are equipped with second support roller adjusting shims. The first type seat 501 is fixedly installed on the top of the offline base 1 via a second support frame.

[0075] Among them, the upper surface of the type 501 base is a machined surface, and its flatness and roughness must be controlled within a reasonable range.

[0076] Furthermore, the specific installation process of the second support roller 5 is as follows: When the elevation of the center of the roller shaft in the second support roller 5 is adjusted to a reasonable range, the second roller bearing seat is welded to the top of the second support frame by means of the fixing block 502, so that the position of the second support roller 5 is fixed and can effectively prevent it from moving.

[0077] During the adjustment process, the allowable tolerances for the center elevation and horizontal positioning dimensions of the first support roller 4, the second support roller 5, and the third support roller 6 must be within ±0.1mm. Adjust the heights of the first positioning block 202, the second positioning block 203, the third positioning block 204, and the fourth positioning block 205 in the multiple positioning component seats 2 to adjust the distance from the outer measuring center hole 207 to the first reference surface 1011 and the second reference surface 1021 until the actual measured values ​​of the above distances meet the design dimension requirements.

[0078] Adjust the center height of the second support roller 5, the center height of the roller shafts of the first support roller 4 and the third support roller 6, and the distance between them and the end of the offline base 1, i.e. the horizontal distance with the second reference surface 1021, until the actual measured value of the above distance meets the design dimension requirements.

[0079] The installation method of the arc-matching device is as follows: S1, fix the offline base 1 to the civil engineering foundation; S2, install the connecting base plate 201 on the offline base 1. During this process, the installation position of the connecting base plate 201 relative to the offline base 1 is controlled by the size of the positioning center hole 2012 relative to the first reference surface 1011, the second reference surface 1021, and the third reference surface 1031; S3, install the first positioning block 202, the second positioning block 203, the third positioning block 204, and the fourth positioning block 205 in the positioning component seat respectively. In the corresponding base plate groove 2011, during this process, the installation position of the positioning component seat relative to the base plate groove 2011 is controlled by measuring the dimensions of the center hole 207 relative to the first reference surface 1011, the second reference surface 1021 and the third reference surface 1031; S4, the support roller is installed in the offline base 1 and the position of the center of the support roller shaft is adjusted. During this process, the position of the center of the support roller shaft is controlled by measuring the dimensions of the center of the support roller shaft relative to the first reference surface 1011 and the second reference surface 1021.

[0080] The arc-aligning process of the arc-aligning device is as follows: S1, Place the first arc-aligning template 301 and the second arc-aligning template 302 on the first support roller 4, the second support roller 5 and the third support roller 6, so that the vertical projection center lines of the first arc-aligning template 301 and the second arc-aligning template 302 coincide with the third reference plane 1031; S2, Use a feeler gauge to check whether the gap between the roller surface of the lower roller of the straightening machine 7 and the corresponding arc-aligning template 3 is within the specified tolerance range. If the deviation is large, adjust the number of adjusting shims 701 of the lower roller in the straightening process until the inspection is qualified; S3, After all the straightening machines 7 have completed the arc alignment, hoist the straightening machines 7 onto the online base in sequence for installation.

[0081] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. An offline arc-aligning device for a simulated online continuous casting straightening machine, comprising an arc-aligning table and an arc-aligning template (3) mounted on the arc-aligning table, wherein the arc-aligning template (3) comprises an arc segment and a straight segment; characterized in that, The arc-aligning platform includes an offline base (1) and multiple positioning components (2) spaced apart on the offline base (1). The multiple positioning components support and position different straighteners in the straightening unit respectively. The positioning component (2) includes a connecting base plate (201) and a positioning component seat; the connecting base plate (201) has a base plate groove (2011) on its top and is installed on the top of the offline base (1); and has positioning center holes (2012) symmetrically distributed on both sides of the third reference surface (1031) on its outer side. The positioning component base includes a first positioning block (202), a second positioning block (203), a third positioning block (204), and a fourth positioning block (205) that are height-adjustable and installed in the groove (2011) of the base plate. The first positioning block (202) and the second positioning block (203), the third positioning block (204) and the fourth positioning block (205) are symmetrically distributed on both sides of the third reference surface (1031), and each of them has a corresponding measurement center hole (207) on the outer side. The positioning center hole (2012) and the measuring center hole (207) are both set perpendicular to the third reference plane (1031); The offline base (1) is also provided with a horizontal first reference surface (1011) and a vertical second reference surface (1021); the first reference surface (1011) and the second reference surface (1021) are both orthogonal to the third reference surface (1031); The positioning center hole (2012) is used as a size reference point for connecting the base plate (201) to the offline base (1); The measurement center hole (207) serves as a dimensional reference point for the measurement positioning component seat to be mounted on the connecting base plate (201).

2. The offline arc-aligning device for a simulated online continuous casting straightening machine according to claim 1, characterized in that, Each positioning component seat includes two connecting base plates (201) spaced apart on the top of the offline base (1), and each connecting base plate (201) is provided with base plate grooves (2011) symmetrically distributed on both sides of the third reference surface (1031); the first positioning block (202) and the second positioning block (203), the third positioning block (204) and the fourth positioning block (205) are respectively installed in the corresponding base plate grooves (2011).

3. The offline arc-aligning device for a simulated online continuous casting straightening machine according to claim 2, characterized in that, The first positioning block (202), the second positioning block (203), the third positioning block (204) and the fourth positioning block (205) are all installed in the groove of the base plate (2011) by positioning seat connecting screws (209), and each of them is provided with a positioning seat adjusting shim (206) between itself and the corresponding groove of the base plate (2011).

4. The offline arc-aligning device for a simulated online continuous casting straightening machine according to claim 3, characterized in that, The first positioning block (202) and the second positioning block (203) are also installed in the corresponding base plate groove (2011) by positioning pins (208).

5. The offline arc-aligning device for a simulated online continuous casting straightening machine according to claim 4, characterized in that, The top of the first positioning block (202) is provided with a cylindrical protrusion corresponding to the first groove in the base of the straightening machine (7), and the top of the second positioning block (203) is provided with a linear slide rail corresponding to the second groove in the base of the straightening machine (7). The first positioning block contact surface (2021) on the top of the first positioning block 202 (202) and the second positioning block contact surface (2031) on the top of the second positioning block (203) are both flat and flush. The tops of the third positioning block (204) and the fourth positioning block (205) are both flat.

6. The offline arc-aligning device for a simulated online continuous casting straightening machine according to any one of claims 1-5, characterized in that, The offline base (1) is used to support the end of the straight section of the arc template (3) with a first reference plate (101) provided, the upper surface of which forms a horizontal first reference surface (1011). The end is also provided with a second reference plate (102), the outer side wall of which forms a vertical second reference surface (1021). The top of the other end of the offline base (1) is provided with a third reference block (103), the side wall of which forms a vertical third reference surface (1031). The first reference surface (1011), the second reference surface (1021) and the third reference surface (1031) are orthogonal to each other.

7. The offline arc-aligning device for a simulated online continuous casting straightening machine according to claim 6, characterized in that, The arc template (3) is a split design, which includes a first arc template (301) and a second arc template (302) arranged in sequence. The lower surface of the first arc template (301) includes an arc segment, and the lower surface of the second arc template (302) includes an arc segment and a straight segment tangent to the arc segment. The arc platform also includes a first support roller (4), a second support roller (5) and a third support roller (6) spaced apart on the top of the offline base (1). The first support roller (4), the second support roller (5) and the third support roller (6) are used to support the lower end surfaces of the first arc template (301) and the second arc template (302).

8. The offline arc-aligning device for a simulated online continuous casting straightening machine according to claim 7, characterized in that; The adjacent ends of the first pair of arc templates (301) and the second pair of arc templates (302) are straight and have corresponding clearance grooves, and are supported by the second support roller (5); the other ends of the first pair of arc templates (301) and the second pair of arc templates (302) are respectively provided with a first pair of arc grooves adapted to the first support roller (4) and a second pair of arc grooves (3021) adapted to the third support roller (6); the center height of the roller shafts of the first support roller (4), the second support roller (5) and the third support roller (6) can be adjusted respectively, and the distance of the first support roller (4) and the third support roller (6) relative to the second reference surface (1021) can be adjusted.

9. The offline arc-aligning device for a simulated online continuous casting straightening machine according to claim 8, characterized in that, The third support roller (6) includes a third support frame (601) and a third support roller (604). The two ends of the third support roller (604) are rotatably mounted on two third roller bearing seats (603). The third roller bearing seat (603) is slidably mounted on the third concave seat (602) and locked and positioned by the third adjusting bolt pair (606). A third support roller adjusting shim (605) is provided between the third concave seat (602) and the third concave seat (602). The third concave seat (602) is fixedly mounted on the top of the offline base (1) by the third support frame (601).

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