A correction device for turning a roll

Abstract

The utility model relates to the technical field of roll processing, and disclose a correction device when turning roll, including support frame, and install the sliding guide plate and fixed dog of support frame upper end, the upper wall sliding connection of sliding guide plate has the placement platform, and some installation grinding main part of placement platform, the upper wall sliding connection of sliding guide plate has the locating shaft and locating hoop subassembly, and locating hoop subassembly includes with the lower joint block of sliding setting of sliding guide plate, the upper wall fixed connection of lower joint block has locating hoop main part, and the outer wall of locating hoop main part is provided with correction nail subassembly, through locating shaft axial preposition and multiple correction nail radial collaborative calibration's double structure, form axial and radial double positioning structure, improve subsequent turning processing efficiency, solved the present device and adopt artificial visual auxiliary correction, easy to be influenced by operator experience factor, need repeatedly rotate main shaft and multiple fine adjustment dog, the problem of complicated operation, influence roll processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of roll processing technology, and in particular to a correction device for turning rolls. Background Technology

[0002] Rolls are core components in steel rolling production, and their surface accuracy directly determines the dimensional tolerances and surface quality of the rolled products. After long-term use, the worn surfaces of rolls need to be repaired through turning. The pre-turning calibration process is a crucial step in ensuring machining accuracy, and the calibration device is the core equipment for this process. It must ensure that the rolls do not wobble during machining to meet the requirements of high-precision turning. Existing devices mostly rely on manual visual calibration, which is easily affected by the operator's experience. It requires repeated rotation of the spindle and multiple fine-tuning of the chucks, making the operation cumbersome and affecting the efficiency of roll machining. Utility Model Content

[0003] The technical problem to be solved by this utility model is that the existing technology has the disadvantage of requiring repeated rotation of the main shaft and multiple fine-tuning of the chuck, which is cumbersome and affects the efficiency of roll processing. To this end, we propose a correction device for turning rolls.

[0004] To achieve the above objectives, this application adopts the following technical solution: a correction device for turning rolls, comprising a support frame, and a sliding guide plate and a fixed claw installed on the upper end of the support frame. A placement platform is slidably connected to the upper wall of the sliding guide plate, and a grinding body is installed on some parts of the placement platform. A positioning shaft and a positioning hoop assembly are slidably connected to the upper wall of the sliding guide plate. The positioning hoop assembly includes a lower connecting block slidably disposed with the sliding guide plate. A positioning hoop body is fixedly connected to the upper wall of the lower connecting block, and a correction nail assembly is provided on the outer wall of the positioning hoop body.

[0005] Furthermore, a movable block is fixedly connected to the lower wall of the positioning shaft, and a threaded rod is threadedly connected to the inner wall of the movable block. The threaded rod is rotatably connected to the inner wall of the sliding guide plate, and a motor is fixedly connected to one end of the threaded rod. The motor drives the threaded rod to rotate, and through the threaded transmission, pushes the movable block to move along the sliding guide plate, thereby driving the positioning shaft to adjust its position synchronously, so as to achieve precise alignment between the positioning shaft and the center of the roll shaft.

[0006] Furthermore, the correction pin assembly is provided in multiple sets, and the multiple sets of correction pin assemblies are evenly surrounded on the outer wall of the positioning hoop body, and the roll axis is centered through multi-directional synchronous adjustment.

[0007] Furthermore, the correction nail assembly includes an external rod fixed to the outer wall of the positioning hoop body. An adjustment hole is provided in the cavity of the external rod, and an adjustment rod is threaded into the adjustment hole. A control block is fixedly connected to the end of the adjustment rod away from the positioning hoop body.

[0008] Furthermore, one end of the adjustment hole is connected to a movable cavity, and a middle connecting plate is slidably connected to the inner wall of the movable cavity. One end of the middle connecting plate is fixedly connected to the adjustment rod, and the end of the middle connecting plate away from the adjustment rod is fixedly connected to the main body of the correction nail. When the operator rotates the control block, the adjustment rod can be moved along the adjustment hole of the outer connecting rod, thereby pushing the middle connecting plate to slide along the movable cavity, and finally driving the main body of the correction nail to apply a tightening force to the outer periphery of the roll.

[0009] Furthermore, the corrective nail body penetrates the outer wall of the positioning hoop body.

[0010] The technical effects and advantages of this utility model are as follows: In this invention, a dual structure of axial pre-positioning of the positioning shaft and radial coordinated calibration of multiple sets of correction pins is formed, which improves the efficiency of subsequent turning processes. This solves the problem that existing devices mostly rely on manual visual correction, are easily affected by the operator's experience, require repeated rotation of the spindle and multiple fine-tuning of the chucks, which is cumbersome and affects the efficiency of roll processing. Attached Figure Description

[0011] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts: Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model; Figure 2 This is a schematic diagram of the overall planar structure of the present invention; Figure 3 This is a schematic diagram of the positioning hoop assembly structure of this utility model; Figure 4 This is a schematic diagram of the correction nail assembly structure of this utility model.

[0012] Legend: 1. Support frame; 2. Sliding guide plate; 3. Fixed claw; 4. Placement table; 5. Grinding body; 6. Positioning shaft; 7. Positioning hoop assembly; 71. Lower connecting block; 72. Positioning hoop body; 73. Correction nail assembly; 731. External connecting rod; 732. Adjusting rod; 733. Control block; 734. Middle connecting plate; 735. Correction nail body. Detailed Implementation

[0013] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0014] Reference Figures 1-4 As shown, to address the problems of existing equipment relying heavily on manual visual correction, which is susceptible to operator experience and requires repeated spindle rotation and multiple fine-tuning of the chucks, resulting in cumbersome operation and reduced roll processing efficiency, the following preferred technical solution is provided: A calibration device for turning rolls includes a support frame 1, a sliding guide plate 2 and a fixed jaw 3 mounted on the upper end of the support frame 1. The support frame 1 serves as the overall load-bearing foundation of the device, providing a stable mounting platform for the sliding guide plate 2 and the fixed jaw 3, thus avoiding accuracy deviations caused by foundation shaking during calibration. The fixed jaw 3 is used to initially clamp the end of the roll, limiting the lateral displacement of the roll and laying the positioning foundation for subsequent calibration. The sliding guide plate 2 provides a precise sliding track for the movable components, ensuring that the components move along a preset path during adjustment, replacing manual alignment and reducing experience errors.

[0015] The upper wall of the sliding guide plate 2 is slidably connected to a placement platform 4, on which a grinding body 5 is installed. The upper wall of the sliding guide plate 2 is also slidably connected to a positioning shaft 6 and a positioning hoop assembly 7. The positioning shaft 6 is used for axial alignment from one end of the roll, and the positioning hoop assembly 7 achieves circumferential correction from the outer periphery of the roll. The two work together to form a double positioning structure of axial and radial alignment, which completely replaces manual visual alignment and avoids repeated rotation of the spindle for verification.

[0016] The positioning hoop assembly 7 includes a lower connecting block 71 that is slidably disposed with the sliding guide plate 2. The upper wall of the lower connecting block 71 is fixedly connected to the positioning hoop body 72. The outer wall of the positioning hoop body 72 is provided with a correction nail assembly 73. The lower connecting block 71 can drive the positioning hoop body 72 to move along the sliding guide plate 2, flexibly adjust the correction position according to the roll length, and adapt to rolls of different specifications. The positioning hoop body 72 adopts a ring structure, which can wrap around the outer circumference of the roll to ensure that the correction force is evenly applied to the roll surface and avoid excessive local force that could damage the roll. The correction nail assembly 73 serves as a direct correction execution component, and achieves precise calibration of the roll axis through multiple sets of coordinated adjustments.

[0017] A movable block 8 is fixedly connected to the lower wall of the positioning shaft 6. A threaded rod 9 is threadedly connected to the inner wall of the movable block 8. The threaded rod 9 is rotatably connected to the inner wall of the sliding guide plate 2. A motor 10 is fixedly connected to one end of the threaded rod 9. The motor 10 drives the threaded rod 9 to rotate, and pushes the movable block 8 to move along the sliding guide plate 2 through threaded transmission. This drives the positioning shaft 6 to adjust its position synchronously, so as to achieve precise alignment between the positioning shaft 6 and the roller axis. Compared with manually pushing the positioning shaft 6, this structure can achieve micro-speed movement by controlling the motor speed and direction, without the need for repeated fine-tuning of the chuck, which greatly improves the positioning efficiency.

[0018] Multiple sets of alignment pin assemblies 73 are provided, and these multiple sets of alignment pin assemblies 73 are evenly surrounding the outer wall of the positioning hoop body 72. Multi-directional synchronous adjustment ensures that the roll axis is centered. The alignment pin assembly 73 includes an external rod 731 fixed to the outer wall of the positioning hoop body 72. An adjustment hole is opened in the cavity of the external rod 731, and an adjustment rod 732 is threaded into the adjustment hole. A control block 733 is fixedly connected to the end of the adjustment rod 732 away from the positioning hoop body 72. One end of the adjustment hole communicates with a movable cavity. A middle connecting plate 734 is slidably connected to the inner wall of the movable cavity. One end of the middle connecting plate 734 is connected to the adjustment rod. The intermediate plate 734 is fixedly connected to the end away from the adjusting rod 732, and the straightening nail body 735 is fixedly connected to the end of the intermediate plate 734. The straightening nail body 735 penetrates the outer wall of the positioning hoop body 72. When the operator rotates the control block 733, the adjusting rod 732 can be moved along the adjusting hole of the outer rod 731, which in turn pushes the intermediate plate 734 to slide along the movable cavity, and finally drives the straightening nail body 735 to apply a tightening force to the outer periphery of the roll. Multiple sets of straightening nail assemblies 73 are evenly distributed. The axis position can be quickly determined by observing the fit between each set of straightening nail bodies 735 and the roll, without the need to repeatedly rotate the main shaft for verification.

[0019] Specifically, the roll to be corrected is first hoisted into the device, and the end of the roll is initially clamped by the fixed claw 3 to restrict the lateral movement of the roll. According to the length of the roll, the lower block 71 of the positioning hoop assembly 7 is pushed to slide along the sliding guide plate 2, and the positioning hoop body 72 is adjusted to the area of ​​the roll to be corrected, so as to realize the encirclement of the outer circumference of the roll. At the same time, the motor 10 is started to drive the threaded rod 9 to rotate. Through the threaded transmission, the movable block 8 and the positioning shaft 6 fixed thereto are moved along the sliding guide plate 2, so that the positioning shaft 6 is accurately inserted into the center hole of the roll, completing the axial axis pre-positioning of the roll, laying the foundation for subsequent radial correction.

[0020] The operator rotates the control block 733 of the straightening nail assembly 73 in sequence, causing the adjusting rod 732 to move along the adjusting hole of the outer rod 731, which in turn pushes the intermediate plate 734 to slide along the movable cavity, so that the straightening nail body 735 applies a tightening force to the outer periphery of the roll. Since multiple sets of straightening nail assemblies 73 are evenly wrapped around the outer wall of the positioning hoop body 72, the fit between each set of straightening nail bodies 735 and the roll can be observed, and the corresponding straightening nail assembly 73 can be finely adjusted accordingly. If there is a gap between the straightening nail body 735 on a certain side and the roll, the control block 733 on that side is rotated until it fits. Until all the straightening pin bodies 735 are in close contact with the roll, the radial precision of the roll is completed. The entire process does not require manual repeated rotation of the spindle to verify the correction effect or multiple fine-tuning of the chucks. Through the dual structure of axial pre-positioning of the positioning shaft 6 and radial collaborative calibration of multiple sets of straightening pin bodies 735, a dual positioning structure of axial and radial is formed, which improves the efficiency of subsequent turning processing. This solves the problem that existing devices mostly rely on manual visual assistance for correction, which is easily affected by the operator's experience and requires repeated rotation of the spindle and multiple fine-tuning of the chucks, making the operation cumbersome and affecting the efficiency of roll processing.

[0021] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A calibration device for turning rolls, characterized in that, The device includes a support frame, a sliding guide plate and a fixed claw mounted on the upper end of the support frame. A placement platform is slidably connected to the upper wall of the sliding guide plate. A grinding body is mounted on a portion of the placement platform. A positioning shaft and a positioning hoop assembly are slidably connected to the upper wall of the sliding guide plate. The positioning hoop assembly includes a lower connecting block that is slidably disposed with the sliding guide plate. A positioning hoop body is fixedly connected to the upper wall of the lower connecting block. A correction nail assembly is provided on the outer wall of the positioning hoop body.

2. The correction device for turning rolls according to claim 1, characterized in that: A movable block is fixedly connected to the lower wall of the positioning shaft, and a threaded rod is threadedly connected to the inner wall of the movable block. The threaded rod is rotatably connected to the inner wall of the sliding guide plate, and a motor is fixedly connected to one end of the threaded rod.

3. The correction device for turning rolls according to claim 1, characterized in that: The correction nail assembly is provided in multiple sets, and the multiple sets of correction nail assemblies are evenly surrounded around the outer wall of the positioning hoop body.

4. The correction device for turning rolls according to claim 3, characterized in that: The correction nail assembly includes an external rod fixed to the outer wall of the positioning hoop body. An adjustment hole is provided in the cavity of the external rod, and an adjustment rod is threaded into the adjustment hole. A control block is fixedly connected to the end of the adjustment rod away from the positioning hoop body.

5. The correction device for turning rolls according to claim 4, characterized in that: One end of the adjustment hole is connected to a movable cavity, and a middle connecting plate is slidably connected to the inner wall of the movable cavity. One end of the middle connecting plate is fixedly connected to the adjustment rod, and the end of the middle connecting plate away from the adjustment rod is fixedly connected to the main body of the correction nail.

6. The correction device for turning rolls according to claim 5, characterized in that: The main body of the correction nail penetrates the outer wall of the positioning hoop body.

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