Section steel guiding and guarding device and guiding and guarding method thereof
By designing highly adaptable steel guide devices, using telescopic motors, lateral limit guide components and movable guide components, the problem that the prior art cannot adapt to steel shapes is solved, and the steel forming accuracy and roll life are improved.
Patent Information
- Application Number
- CN202411580384.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-01-03
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing steel rolling guide devices cannot adapt to steel of different sizes and shapes, especially arc and triangular steels, resulting in reduced molding accuracy and increased roll wear.
A steel guide device was designed, including an outer box, base, discharge port, front guard device and rear guard device. The front guard device adopts telescopic motor and lateral limit guard component, and the rear guard device is provided. The guide device adopts a movable guide roller assembly and an adjustment device to adjust the guide roller posture through a rotating disc, a ball screw pair and a sliding plate to realize the guide guard of steel of various shapes and sizes.
It realizes effective guidance for steels with different shapes and sizes, avoids the reduction in accuracy caused by contact between the bottom of the steel and the workbench, improves the forming quality of the steel, and extends the service life of the roll.
Smart Images
Figure CN119237487A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the field of section steel production, and in particular relates to a section steel guiding device and a guiding method thereof. Background Art
[0002] The guide is an indispensable device in the steel rolling process. Its main function is to help the rolled piece enter and exit the roll pass accurately and stably in the predetermined direction and state before and after the roll pass. The guide plays a key role in the steel rolling process. It not only guides the rolled piece into the pass in the required state to ensure that the rolled piece achieves the original deformation, but also reduces the wear and impact of the rolled piece on the roll, thus extending the service life of the roll.
[0003] The existing invention patent with patent number 202211244074.0 provides a steel rolling guide based on segmented adjustment, including a quick-operation segmented advance adjustment mechanism, an elastic self-preloaded guide roller, an inclined cantilever shaping roller and a support assembly; this technical solution can only be used for rectangular steel sections during actual application, and cannot be used for guiding steel sections with arc or triangular cross-sections. Secondly, there is friction between the bottom of the steel section and the support assembly of the guide device during the forward movement, which affects the forming accuracy of the steel section. Therefore, this field urgently needs a device that can complete the guiding of steel sections of different sizes and shapes. Summary of the invention
[0004] 1. Technical issues to be resolved In view of the above technical problems, the present invention provides a steel guide device suitable for steel guides of various shapes and sizes.
[0005] (II) Technical solution The present invention provides a steel guide device, comprising an outer box body, a base, a discharge port, a front guide device and a rear guide device, the outer box body comprising a top plate, a bottom plate, a left plate and a right plate, the base is fixedly installed under the bottom plate of the outer box body by bolts, the discharge port is arranged at the rear end of the outer box body, the front guide device is arranged at the front face of the outer box body, and the rear guide device is arranged inside the outer box body behind the front guide device.
[0006] In some embodiments of the present invention, the front guide device includes a support guide assembly and a lateral limit guide assembly; the support guide assembly includes a telescopic motor, a telescopic rod, a support frame and a first guide roller, the telescopic motor is fixedly mounted on the bottom plate of the outer box, the support frame is arranged directly above the telescopic motor, the support frame is fixedly connected to the telescopic motor through the telescopic rod, a plurality of first guide rollers are provided, and the first guide roller is fixedly mounted on the support frame.
[0007] In some embodiments of the present invention, the lateral limit guide assembly includes a fixed side plate, a connecting box, a hinged limit device, a rotating plate and a second guide roller. The fixed side plate is fixedly installed on the outer side of the left plate and the right plate of the outer box body by bolts. The fixed side plate and the rotating plate are hinged through the connecting box. The hinged limit device is arranged at the connection between the fixed side plate and the rotating plate inside the connecting box. The hinged limit device provides resistance and controls the automatic reset of the rotating plate during the inward rotation of the rotating plate. The second guide roller is fixedly installed between the two rotating plates on the same side.
[0008] In some embodiments of the present invention, the rear guide device includes four sets of movable guide roller assemblies and a movable guide roller adjustment device, the movable guide roller assembly includes a third guide roller, a guide roller support frame, a sliding plate and a sliding sleeve, the third guide roller is installed at the front end of two guide roller support frames through a rotating shaft, one end of the sliding plate is hinged to the rear end of the guide roller support frame, and the other end of the sliding plate is provided with a sliding sleeve, and the sliding sleeve is mounted on the movable guide roller adjustment device.
[0009] In some embodiments of the present invention, the movable guide roller assembly is divided into an upper movable guide roller assembly, a lower movable guide roller assembly, a left movable guide roller assembly and a right movable guide roller assembly, and the sliding plates of the left movable guide roller assembly and the right movable guide roller assembly are in a "7" shape; the sliding plates of the upper movable guide roller assembly and the lower movable guide roller assembly are in a three-dimensional "Z" shape.
[0010] In some embodiments of the present invention, the movable guide roller adjusting device is provided with a total of eight groups, and each set of movable guide roller assemblies is provided with two groups of movable guide roller adjusting devices. The movable guide roller adjusting device includes a rotating disc, a ball screw pair and a limit head. The ball screw pair is respectively arranged inside the top plate, bottom plate, left plate and right plate of the outer box body. A rotating disc is provided at one end of the ball screw pair extending outward from the inside of the outer box body, and a limit head is provided at the other end of the ball screw pair. The sliding sleeve is arranged on the ball screw pair, and the ball screw pair controls the sliding plate to slide on the inner wall of the outer box body through the sliding sleeve.
[0011] In some embodiments of the present invention, the movable guide roller adjusting device for adjusting the upper and lower movable guide roller assemblies is arranged at the rear side of the movable guide roller adjusting device for adjusting the left and right movable guide roller assemblies.
[0012] In some embodiments of the present invention, two grooves are provided on the base for facilitating the rotation of the rotating disk.
[0013] In some embodiments of the present invention, the third guide rollers of the upper movable guide roller assembly, the lower movable guide roller assembly, the left movable guide roller assembly and the right movable guide roller assembly are on the same vertical plane.
[0014] The present invention also provides a steel guide method, the steps of which are as follows: S1: The rotating disc is rotated based on the shape and size of the steel section, and the sleeve on the ball screw pair is displaced to drive the sliding plate to slide on the inner wall of the outer box, and the sliding distance of the sliding plates on both sides of the third guide roller is controlled to adjust the posture of the third guide roller; S2: The telescopic motor controls the up and down displacement of the first guide roller on the support frame based on the telescopic rod, and controls the height of the first guide roller to be consistent with the bottom height of the movable guide roller assembly; S3: The steel section enters the guide device and compresses the second guide roller, the rotating plate is driven to rotate inward, and then the steel section passes through the first guide roller and enters the guide gap formed by four third guide rollers, and finally leaves the outer box from the discharge port.
[0015] (III) Beneficial effects It can be seen from the above technical solution that the present invention has at least one of the following beneficial effects: The rear guide device of the present invention includes four sets of movable guide roller assemblies and movable guide roller adjustment devices. The sliding plates on both sides of the third guide roller in the movable guide roller assembly are hinged to the guide roller support frame. When the sliding distance of the sliding plate on the left side of the third guide roller is greater than the sliding distance of the sliding plate on the right side, the third guide roller tilts to the left. There are four third guide rollers in the four sets of movable guide roller assemblies of the present invention. Therefore, the present invention can achieve limited guiding of steel sections of various sizes and shapes by adjusting the postures of the four third guide rollers.
[0016] The supporting guide assembly in the front guide device of the present invention includes a telescopic motor, a telescopic rod, a support frame and a first guide roller. The bottom of the steel section contacts the first guide roller during the guiding process, which avoids the reduction in precision caused by the contact between the steel section and the workbench and realizes the pre-shaping of the bottom of the steel section. The quality of the steel section is effectively improved after being guided.
[0017] The lateral limiting guide assembly of the present invention comprises a fixed side plate, a connecting box, an articulated limiting device, a rotating plate and a second guide roller. When the steel section is not at the center of the guide device, the articulated limiting device can push the steel section to the center of the guide through the rotating plate and the second guide roller. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.
[0019] Figure 2 It is a schematic diagram of the structure of the movable guide roller assembly.
[0020] Figure 3 It is a schematic diagram of the structure of the movable guide roller adjustment device.
[0021] Figure 4 It is a schematic diagram of the structure of the support guide assembly.
[0022] Figure 5 It is a schematic diagram of the structure of the lateral limit guide assembly.
[0023] Figure 6 It is a schematic diagram of the sliding plate structure of the left movable guide roller assembly and the right movable guide roller assembly.
[0024] Figure 7 It is a schematic diagram of the sliding plate structure of the upper movable guide roller assembly and the lower movable guide roller assembly.
[0025] [Description of the main components of the present invention] Outer box; 2. Base; 3. Discharge port; 4. Lateral limit guide assembly; 5. Support guide assembly; 6. Movable guide roller assembly; 7. Rotating disc; 8. Ball screw pair; 9. Limiting head; 4-1, fixed side plate; 4-2, connection box; 4-3, rotating plate; 4-4, second guide roller; 5-1, telescopic motor; 5-2, telescopic rod; 5-3, support frame; 5-4, first guide roller; 6-1, third guide roller; 6-2. Guide roller support frame; 6-3. Sliding plate; 6-4. Sliding sleeve. DETAILED DESCRIPTION
[0026] The present invention provides a steel guide device and a guide method thereof. To make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. Specific embodiments Example
[0027] like Figure 1 As shown, the present invention provides a steel guide device, comprising an outer box body 1, a base 2, a discharge port 3, a front guide device and a rear guide device, wherein the outer box body 1 comprises a top plate, a bottom plate, a left plate and a right plate, the base 2 is fixedly installed under the bottom plate of the outer box body 1 by bolts, the discharge port 3 is arranged at the rear end of the outer box body 1, the front guide device is arranged at the front of the outer box body 1, and the rear guide device is arranged inside the outer box body 1 behind the front guide device; the front guide device comprises a supporting guide assembly 5 and a lateral limit guide assembly 4; like Figure 4As shown, the support and guide assembly 5 includes a telescopic motor 5-1, a telescopic rod 5-2, a support frame 5-3 and a first guide roller 5-4. The telescopic motor 5-1 is fixedly mounted on the bottom plate of the outer box body 1, and the support frame 5-3 is arranged directly above the telescopic motor 5-1. The support frame 5-3 is fixedly connected to the telescopic motor 5-1 through the telescopic rod 5-2. A plurality of first guide rollers 5-4 are provided, and the first guide rollers 5-4 are fixedly mounted on the support frame 5-3.
[0028] like Figure 5 As shown, the lateral limit guide assembly 4 includes a fixed side plate 4-1, a connecting box 4-2, a hinged limit device, a rotating plate 4-3 and a second guide roller 4-4. The fixed side plate 4-1 is fixedly installed on the outer side of the left plate and the right plate of the outer box body 1 by bolts. The fixed side plate 4-1 and the rotating plate 4-3 are hinged through the connecting box 4-2. The hinged limit device is arranged at the connection between the fixed side plate 4-1 and the rotating plate 4-3 inside the connecting box 4-2. The hinged limit device provides resistance during the inward rotation of the rotating plate 4-3 and controls the rotating plate 4-3 to automatically reset. The second guide roller 4-4 is fixedly installed between the two rotating plates 4-3 on the same side.
[0029] like Figure 2 As shown, the rear guide device includes four sets of movable guide roller assemblies 6 and a movable guide roller adjusting device. The movable guide roller assembly includes a third guide roller 6-1, a guide roller support frame 6-2, a sliding plate 6-3 and a sliding sleeve 6-4. The third guide roller 6-1 is installed at the front end of the two guide roller support frames 6-2 through a rotating shaft. One end of the sliding plate 6-3 is hinged to the rear end of the guide roller support frame 6-2. The other end of the sliding plate 6-3 is provided with a sliding sleeve 6-4, and the sliding sleeve 6-4 is mounted on the movable guide roller adjusting device.
[0030] like Figure 6 , 7 As shown, the movable guide roller assembly 6 is divided into an upper movable guide roller assembly, a lower movable guide roller assembly, a left movable guide roller assembly and a right movable guide roller assembly, and the sliding plates 6-3 of the left movable guide roller assembly and the right movable guide roller assembly are in a "7" shape; the sliding plates 6-3 of the upper movable guide roller assembly and the lower movable guide roller assembly are in a three-dimensional "Z" shape, and the third guide rollers 6-1 of the upper movable guide roller assembly, the lower movable guide roller assembly, the left movable guide roller assembly and the right movable guide roller assembly are on the same vertical plane.
[0031] like Figure 3As shown, the movable guide roller adjusting device is provided with eight groups in total, and each set of movable guide roller assembly 6 is provided with two groups of movable guide roller adjusting devices, the movable guide roller adjusting device comprises a rotating disc 7, a ball screw pair 8 and a limit head 9, the ball screw pair 8 is respectively arranged inside the top plate, bottom plate, left plate and right plate of the outer box body 1, and one end of the ball screw pair 8 extending outward from the inside of the outer box body 1 is provided with a rotating disc 7, and the other end of the ball screw pair 8 is provided with a limit head 9, the sliding sleeve 6-4 is sleeved on the ball screw pair 8, and the ball screw pair 8 controls the sliding plate 6-3 to slide on the inner wall of the outer box body 1 through the sliding sleeve 6-4, and the movable guide roller adjusting device for adjusting the upper and lower movable guide roller assemblies is arranged on the rear side of the movable guide roller adjusting device for adjusting the left and right movable guide roller assemblies, and two grooves are provided on the base 2 for facilitating the rotation of the rotating disc 7.
[0032] The present invention also provides a steel guide method, the steps of which are as follows: S1: Rotate the rotating disc 7 based on the shape and size of the steel section, and the sliding sleeve 6-4 on the ball screw pair 8 is displaced to drive the sliding plate 6-3 to slide on the inner wall of the outer box body 1, and control the sliding distance of the sliding plates 6-3 on both sides of the third guide roller 6-1 to adjust the posture of the third guide roller 6-1; S2: The telescopic motor 5-1 controls the first guide roller 5-4 on the support frame 5-3 to move up and down based on the telescopic rod 5-2, so as to control the height of the first guide roller 5-4 to be consistent with the bottom height of the movable guide roller assembly 6; S3: The steel section enters the guide device and compresses the second guide roller 4-4, and the rotating plate 4-3 is driven to rotate inward. Then the steel section passes through the first guide roller 5-4 and enters the guide gap formed by four third guide rollers 6-1, and finally leaves the outer box body 1 from the discharge port 3.
[0033] So far, the present embodiment has been described in detail with reference to the accompanying drawings. Based on the above description, those skilled in the art should have a clear understanding of the present invention.
[0034] It should be noted that the implementation methods not shown or described in the drawings or the text of the specification are all forms known to ordinary technicians in the relevant technical field and are not described in detail. In addition, the above definitions of each element and method are not limited to the various specific structures, shapes or methods mentioned in the embodiments.
[0035] It should also be noted that this document may provide demonstrations of parameters containing specific values, but these parameters do not need to be exactly equal to the corresponding values, but can be approximated to the corresponding values within an acceptable error tolerance or design constraint. The directional terms mentioned in the embodiments, such as "up", "down", "front", "back", "left", "right", etc., are only reference directions of the accompanying drawings and are not intended to limit the scope of protection of the present invention. In addition, unless the steps are specifically described or must occur in sequence, the order of the above steps is not limited to those listed above, and can be changed or rearranged according to the desired design. In addition, the above embodiments can be mixed and matched with each other or with other embodiments based on design and reliability considerations, that is, the technical features in different embodiments can be freely combined to form more embodiments.
[0036] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A steel guide device, characterized in that: It includes an outer box body, a base, a discharge port, a front guide device and a rear guide device. The outer box body includes a top plate, a bottom plate, a left plate and a right plate. The base is fixedly installed under the bottom plate of the outer box body by bolts. The discharge port is arranged at the rear end of the outer box body, the front guide device is arranged at the front of the outer box body, and the rear guide device is arranged inside the outer box body behind the front guide device.
2. A steel guide device according to claim 1, characterized in that: The front guide device includes a support guide assembly and a lateral limit guide assembly; the support guide assembly includes a telescopic motor, a telescopic rod, a support frame and a first guide roller, the telescopic motor is fixedly mounted on the bottom plate of the outer box, the support frame is arranged directly above the telescopic motor, the support frame is fixedly connected to the telescopic motor through the telescopic rod, a plurality of first guide rollers are provided, and the first guide rollers are fixedly mounted on the support frame.
3. A steel guide device according to claim 2, characterized in that: The lateral limit guide assembly includes a fixed side plate, a connecting box, a hinged limit device, a rotating plate and a second guide roller. The fixed side plate is fixedly installed on the outside of the left and right plates of the outer box body by bolts. The fixed side plate and the rotating plate are hinged through the connecting box. The hinged limit device is arranged at the connection between the fixed side plate and the rotating plate inside the connecting box. The hinged limit device provides resistance and controls the rotating plate to automatically reset during the inward rotation of the rotating plate. The second guide roller is fixedly installed between the two rotating plates on the same side.
4. A steel guide device according to claim 1, characterized in that: The rear guide device includes four sets of movable guide roller assemblies and a movable guide roller adjustment device. The movable guide roller assembly includes a third guide roller, a guide roller support frame, a sliding plate and a sliding sleeve. The third guide roller is installed at the front end of two guide roller support frames through a rotating shaft. One end of the sliding plate is hinged to the rear end of the guide roller support frame. The other end of the sliding plate is provided with a sliding sleeve, and the sliding sleeve is mounted on the movable guide roller adjustment device.
5. A steel guide device according to claim 4, characterized in that: The movable guide roller assembly is divided into an upper movable guide roller assembly, a lower movable guide roller assembly, a left movable guide roller assembly and a right movable guide roller assembly. The sliding plates of the left movable guide roller assembly and the right movable guide roller assembly are in a "7" shape; the sliding plates of the upper movable guide roller assembly and the lower movable guide roller assembly are in a three-dimensional "Z" shape.
6. A steel guide device according to claim 5, characterized in that: There are a total of eight groups of movable guide roller adjustment devices, and each set of movable guide roller assemblies is provided with two groups of movable guide roller adjustment devices. The movable guide roller adjustment devices include a rotating disc, a ball screw pair and a limit head. The ball screw pair is respectively arranged inside the top plate, bottom plate, left plate and right plate of the outer box body, and a rotating disc is provided at one end of the ball screw pair extending outward from the inside of the outer box body, and a limit head is provided at the other end of the ball screw pair. The sliding sleeve is arranged on the ball screw pair, and the ball screw pair controls the sliding plate to slide on the inner wall of the outer box body through the sliding sleeve.
7. A steel guide device according to claim 6, characterized in that: The movable guide roller adjusting device for adjusting the upper and lower movable guide roller assemblies is arranged at the rear side of the movable guide roller adjusting device for adjusting the left and right movable guide roller assemblies.
8. A steel guide device according to claim 6, characterized in that: The base is provided with two grooves for facilitating the rotation of the rotating disc.
9. A steel guide device according to claim 4, characterized in that: The third guide rollers of the upper movable guide roller assembly, the lower movable guide roller assembly, the left movable guide roller assembly and the right movable guide roller assembly are on the same vertical plane.
10. A guiding method for a steel guide device according to any one of claims 1 to 9, characterized in that: Here are the steps: S1: The rotating disc is rotated based on the shape and size of the steel section, and the sleeve on the ball screw pair is displaced to drive the sliding plate to slide on the inner wall of the outer box, and the sliding distance of the sliding plates on both sides of the third guide roller is controlled to adjust the posture of the third guide roller; S2: The telescopic motor controls the up and down displacement of the first guide roller on the support frame based on the telescopic rod, and controls the height of the first guide roller to be consistent with the bottom height of the movable guide roller assembly; S3: The steel section enters the guide device and compresses the second guide roller, the rotating plate is driven to rotate inward, and then the steel section passes through the first guide roller and enters the guide gap formed by four third guide rollers, and finally leaves the outer box from the discharge port.