Drawing device for maintaining roller body of rolling mill

Abstract

The utility model relates to a drawing device for maintenance of a rolling mill roller body, which comprises a supporting leg, an adjusting and fixing mechanism is arranged on the top of the supporting leg, the adjusting and fixing mechanism comprises an operation box fixedly installed on the top of the supporting leg, and electric push rods are arranged on the inner walls of the left side and the right side of the operation box. A clamping frame is fixedly installed on an output shaft of the electric push rod, and a friction pad is fixedly installed on the inner side of the clamping frame. According to the drawing device for maintenance of the rolling mill roller bodies, under the action of the arranged adjusting and fixing mechanism, an electric push rod and a clamping frame, the rolling mill roller bodies of different sizes can be clamped and positioned, chippings generated during maintenance of the rolling mill roller bodies can be blown off through air outlet of an exhaust fan, chippings and impurities fall into a recycling box, and the recycling box is convenient to use. And after maintenance is completed, the recycling box can be pulled, the recycling box moves on the inner side of the sliding seat under the action of the T-shaped sliding block, the recycling box can be taken out to be cleaned, and the flexibility and practicability of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rolling mill rollers, in particular to a pulling device for repairing a rolling mill roller body. Background Art

[0002] The main working parts and tools on the rolling mill that cause continuous plastic deformation of metal. The roll is mainly composed of three parts: the roll body, the roll neck and the shaft head. The roll body is the middle part of the roll that actually participates in rolling the metal. It has a smooth cylindrical or grooved surface. The roll neck is installed in the bearing and transmits the rolling force to the frame through the bearing seat and the pressing device. The transmission end shaft head is connected to the gear seat through the connecting shaft, which transmits the rotational torque of the motor to the roll. The variety and manufacturing process of the roll are constantly developing with the advancement of metallurgical technology and the evolution of steel rolling equipment.

[0003] Please refer to the patent publication CN213103393U, which discloses a finishing mill for cleaning a roller body. The patent states that "it includes four supporting legs; a finishing mill, which is fixedly mounted on the top of the four supporting legs; a plurality of rollers, which are all mounted on the finishing mill; a connecting block, which is fixedly mounted on one side of two corresponding supporting legs; a circular block, which is fixedly mounted on one side of the connecting block; a vertical rod, which is rotatably mounted between the top and bottom inner walls of the circular block; a first motor, which is arranged on the circular block. On; two first gears, the two first gears are respectively fixedly mounted on the output shaft of the first motor and the vertical rod, and the two first gears are meshed with each other". In the prior art, the rolling mill rollers need to be fixed first when repairing the rolling mill rollers. However, the reference patent device is not convenient for fixing rolling mill rollers of different sizes during use, and can only fix and clean rolling mill rollers of specific sizes. There is no corresponding structure for recovering debris generated by maintenance or cleaning, and the practicality is low. Therefore, in view of this problem, the present application proposes a pulling device for repairing the rolling mill roller body. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a pulling device for repairing a rolling mill roll body, which has the advantages of being convenient for fixing rolling mill rolls of different sizes and being able to drive the rolling mill rolls for rotational repair, etc., solving the problem in the prior art that the rolling mill rolls must first be fixed in order to be repaired. However, the reference patent device is not convenient for fixing rolling mill rolls of different sizes during use, and can only fix and clean rolling mill rolls of specific sizes. There is no corresponding structure for recovering debris generated by maintenance or cleaning, resulting in a low practicality problem.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulling device for repairing a rolling mill roll body, comprising a support leg, the top of which is provided with an adjustment and fixing mechanism;

[0006] The adjusting and fixing mechanism comprises an operating box fixedly installed on the top of the supporting leg, electric push rods are arranged on the inner walls of the left and right sides of the operating box, a clamping frame is fixedly installed on the output shaft of the electric push rod, a friction pad is fixedly installed on the inner side of the clamping frame, and a rolling mill roller body is movably connected between the two friction pads;

[0007] A rotating motor is fixedly mounted on the right side of the operating box, a rotating rod fixedly connected to the electric push rod on the right side is fixedly mounted on the output shaft of the rotating motor, and an exhaust assembly is arranged on the top of the operating box.

[0008] Furthermore, the exhaust assembly includes an installation box movably connected to the top of the operating box, and fixing plates that fit the operating box are fixedly installed on the left and right sides of the installation box; the internal threads of the fixing plates are connected to fixing bolts that are threadedly connected to the operating box.

[0009] Furthermore, the exhaust assembly also includes an exhaust fan fixedly installed inside the installation box, a dustproof plate is fixedly installed inside the installation box, and a cleaning assembly is arranged inside the operation box.

[0010] Furthermore, the cleaning assembly includes a sliding seat fixedly installed on the inner walls of the left and right sides of the operating box, the interior of the sliding seat is slidably connected with a T-shaped slider, and a recovery box is fixedly installed between the two T-shaped sliders.

[0011] Furthermore, a mounting groove is provided on the top of the operation box, and the mounting box is fixedly connected to the operation box through the mounting groove.

[0012] Furthermore, thread grooves are provided inside the operation box and the fixing plate, and the fixing bolts are threadedly connected to the operation box and the fixing plate through the thread grooves.

[0013] Furthermore, bearing grooves are provided on the inner walls on the left and right sides of the operating box, and the electric push rod is rotatably connected to the operating box through the bearing grooves.

[0014] Furthermore, a T-shaped slot is provided inside the sliding seat, and the T-shaped slider is slidably connected to the sliding seat via the T-shaped slot.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] The pulling and drawing device for repairing a rolling mill roll body can clamp and position rolling mill roll bodies of different sizes by means of an adjusting and fixing mechanism, an electric push rod and a clamping frame, and can blow off debris generated during the repair of the rolling mill roll body by using an exhaust fan. The debris and impurities fall into a recovery box. After the repair is completed, the recovery box can be pulled, and the recovery box moves on the inner side of the sliding seat under the action of a T-shaped slider, so that the recovery box can be taken out and cleaned, thereby improving the flexibility and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic cross-sectional view of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model.

[0019] In the figure: 1. Support legs; 2. Operation box; 3. Electric push rod; 4. Clamping frame; 5. Friction pad; 6. Roller body of rolling mill; 7. Rotating motor; 8. Turning rod; 9. Installation box; 10. Fixing plate; 11. Fixing bolts; 12. Exhaust fan; 13. Dustproof plate; 14. Sliding seat; 15. T-shaped slider; 16. Recovery box. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-2 The pulling device for repairing a rolling mill roll body in this embodiment includes a support leg 1, and an adjusting and fixing mechanism is arranged on the top of the support leg 1.

[0022] In this embodiment, the adjustment and fixing mechanism includes an operating box 2 fixedly installed on the top of the supporting leg 1, and electric push rods 3 are arranged on the left and right inner walls of the operating box 2. Bearing grooves are opened on the left and right inner walls of the operating box 2. The electric push rod 3 is rotatably connected to the operating box 2 through the bearing grooves to facilitate the rotation of the electric push rod 3. The output shaft of the electric push rod 3 is fixedly installed with a clamping frame 4.

[0023] Among them, a friction pad 5 is fixedly installed on the inner side of the clamping frame 4, a rolling mill roller body 6 is movably connected between the two friction pads 5, a rotating motor 7 is fixedly installed on the right side of the operating box 2, a rotating rod 8 fixedly connected to the right electric push rod 3 is fixedly installed on the output shaft of the rotating motor 7, and an exhaust assembly is arranged on the top of the operating box 2.

[0024] In this embodiment, the exhaust assembly includes an installation box 9 movably connected to the top of the operation box 2. An installation groove is provided on the top of the operation box 2. The installation box 9 is fixedly connected to the operation box 2 through the installation groove, which helps to fix the installation box 9 on the top of the operation box 2. Fixed plates 10 that fit the operation box 2 are fixedly installed on the left and right sides of the installation box 9.

[0025] Among them, the internal thread connection of the fixing plate 10 is connected with a fixing bolt 11 which is threadedly connected to the operation box 2. The inside of the operation box 2 and the fixing plate 10 are provided with threaded grooves. The fixing bolt 11 is threadedly connected to the operation box 2 and the fixing plate 10 through the threaded grooves, so that the fixing bolt 11 can fix the operation box 2 and the fixing plate 10 conveniently. The exhaust assembly also includes an exhaust fan 12 fixedly installed inside the installation box 9, and a dustproof plate 13 is fixedly installed inside the installation box 9.

[0026] In this embodiment, a cleaning component is provided inside the operating box 2, and the cleaning component includes a sliding seat 14 fixedly installed on the inner walls on the left and right sides of the operating box 2. A T-shaped slider 15 is slidably connected inside the sliding seat 14. A T-shaped slot is provided inside the sliding seat 14. The T-shaped slider 15 is slidably connected to the sliding seat 14 through the T-shaped slot, which helps the T-shaped slider 15 to slide on the inner side of the sliding seat 14. A recovery box 16 is fixedly installed between the two T-shaped sliders 15. An installation slot is provided on the top of the operating box 2, and the installation box 9 is fixedly connected to the operating box 2 through the installation slot.

[0027] It should be noted that the pulling and pulling device for repairing the rolling mill roll body can clamp and position the rolling mill roll bodies 6 of different sizes through the adjustment and fixing mechanism set up, using the electric push rod 3 and the clamping frame 4. The exhaust fan 12 can be used to blow off the debris generated during the repair of the rolling mill roll body 6, and the debris and impurities fall into the interior of the recovery box 16. After the repair is completed, the recovery box 16 can be pulled, and the recovery box 16 moves on the inner side of the sliding seat 14 under the action of the T-shaped slider 15. The recovery box 16 can be taken out and cleaned, which improves the flexibility and practicality of the device.

[0028] The working principle of the above embodiment is:

[0029] The pulling device for repairing the rolling mill roll body is used to first start the two electric push rods 3 to drive the two clamping frames 4 to move away from each other, and then place the rolling mill roll body 6 between the two clamping frames 4. Then, the electric push rods 3 can be started again to drive the two clamping frames 4 to move closer to each other, until the clamping frames 4 drive the friction pads 5 to clamp and position the rolling mill roll body 6, and then the rolling mill roll body 6 can be repaired. Under the action of the electric push rods 3 and the clamping frames 4, the rolling mill roll bodies 6 of different sizes can be clamped and positioned. When repairing, the rotating motor 7 can be started, and the rotating motor 7 drives the rotating rod 8 to rotate , the rotating rod 8 drives the electric push rod 3 on the right to rotate, thereby driving the rolling mill roller body 6 to rotate, and at the same time the exhaust fan 12 can be started, the exhaust fan 12 starts to discharge air, and the wind blows onto the rolling mill roller body 6 through the dustproof plate 13, blowing away the debris generated by the maintenance, and the debris impurities separated from the rolling mill roller body 6 fall into the interior of the recovery box 16. After the maintenance is completed, the recovery box 16 can be pulled, and the recovery box 16 moves on the inner side of the sliding seat 14 under the action of the T-shaped slider 15, and the recovery box 16 can be taken out for cleaning, which improves the flexibility and practicality of the device.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulling device for repairing a rolling mill roll, comprising a support leg (1), characterized in that: An adjustment and fixing mechanism is provided on the top of the supporting leg (1); The adjusting and fixing mechanism comprises an operating box (2) fixedly mounted on the top of the supporting leg (1), electric push rods (3) are arranged on the inner walls on the left and right sides of the operating box (2), a clamping frame (4) is fixedly mounted on the output shaft of the electric push rod (3), a friction pad (5) is fixedly mounted on the inner side of the clamping frame (4), and a rolling mill roller body (6) is movably connected between the two friction pads (5); A rotating motor (7) is fixedly mounted on the right side of the operating box (2); a rotating rod (8) fixedly connected to the electric push rod (3) on the right side is fixedly mounted on the output shaft of the rotating motor (7); and an exhaust assembly is arranged on the top of the operating box (2).

2. The pulling device for repairing a rolling mill roll according to claim 1, characterized in that: The exhaust assembly comprises an installation box (9) movably connected to the top of the operating box (2); fixing plates (10) that fit the operating box (2) are fixedly installed on the left and right sides of the installation box (9); and fixing bolts (11) that are threadedly connected to the operating box (2) are internally threadedly connected to the fixing plate (10).

3. The pulling device for repairing a rolling mill roll according to claim 2, characterized in that: The exhaust assembly also includes an exhaust fan (12) fixedly installed inside the installation box (9), a dustproof plate (13) is fixedly installed inside the installation box (9), and a cleaning assembly is arranged inside the operation box (2).

4. The pulling device for repairing a rolling mill roll according to claim 3, characterized in that: The cleaning assembly comprises a sliding seat (14) fixedly mounted on the inner walls of the left and right sides of the operating box (2); a T-shaped sliding block (15) is slidably connected inside the sliding seat (14); and a recovery box (16) is fixedly mounted between the two T-shaped sliding blocks (15).

5. The pulling device for repairing a rolling mill roll according to claim 2, characterized in that: The top of the operation box (2) is provided with a mounting groove, and the mounting box (9) is fixedly connected to the operation box (2) via the mounting groove.

6. The pulling device for repairing a rolling mill roll according to claim 2, characterized in that: The operating box (2) and the fixing plate (10) are both provided with thread grooves inside, and the fixing bolts (11) are threadedly connected to the operating box (2) and the fixing plate (10) through the thread grooves.

7. The pulling device for repairing a rolling mill roll according to claim 1, characterized in that: The inner walls on the left and right sides of the operating box (2) are provided with bearing grooves, and the electric push rod (3) is rotatably connected to the operating box (2) through the bearing grooves.

8. The pulling device for repairing a rolling mill roll according to claim 4, characterized in that: The sliding seat (14) is provided with a T-shaped slot inside, and the T-shaped sliding block (15) is slidably connected to the sliding seat (14) via the T-shaped slot.

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