Roller surface treatment device

Abstract

The utility model belongs to the technical field of roller heat treatment equipment, and particularly relates to a roller surface treatment device which comprises a heating box, a lifting piece and a rotating piece, the front end face of the heating box is provided with an opening, the opening of the heating box is rotationally connected with a box door, and the lifting piece is movably arranged on the inner bottom face of the heating box. A lifting part is arranged on the top surface of the heating box and used for supporting a roller needing surface treatment, a rotating part is arranged on the top surface of the heating box, the lifting part comprises a supporting frame, the supporting frame is horizontally assembled on the inner bottom surface of the heating box in a sliding mode, a bracket is rotationally connected to the top surface of the supporting frame, and a plurality of screw hole seats are evenly and vertically fixed to the top surface of the bracket; clamping bolts are horizontally assembled in the multiple screw hole seats in a threaded penetrating mode, the rotating part comprises a guide rod, the guide rod is vertically fixed to the top face of the heating box, and a hole plate is vertically assembled on the guide rod in a sliding penetrating mode. The roller rotates circumferentially in the heating box 1, so that the outer surface of the roller is uniformly heated, and the uniformity of heating treatment of the roller is ensured.

Description

Technical Field

[0001] This utility model belongs to the technical field of heat treatment equipment for rolling mill rolls, and specifically relates to a surface treatment device for rolling mill rolls. Background Technology

[0002] Rolls are working parts on rolling mills used to roll metal and are considered consumable parts. To extend the service life of rolls and improve their wear resistance, compressive strength, and corrosion resistance, they are usually heat-treated. Heat-treated rolls have higher hardness and durability and are widely used in industries such as metallurgy and machinery manufacturing.

[0003] Currently, various heat treatment equipment for rolling mill rolls are available on the market. For example, patent CN222411732U, entitled "A Heat Treatment Equipment for Rolling Mill Rolls," relates to the field of metallurgical rolling mill roll equipment technology. This equipment includes a heating chamber with a rotating mechanism and a clamping mechanism inside, and heating mechanisms are installed on the front and rear inner walls of the chamber. Furthermore, the equipment employs auxiliary mechanisms to limit and support the rolling mill rolls, thereby improving the stability of the rolls during rotation and preventing tilting. However, this equipment still has some shortcomings in practical applications.

[0004] Firstly, the existing equipment uses clamps to fix the rolls and installs the heating elements on the rear wall of the heating chamber, resulting in the rolls remaining stationary during heat treatment. Since the rolls are rotating parts, their entire outer surface needs to be heated evenly. However, the existing fixing method causes uneven heating of the roll's outer surface, easily leading to localized overheating or underheating, which affects the final heat treatment effect. Furthermore, during the roll rotation process, the uneven force on the rolls due to the driving method of the rotation mechanism may cause rotational instability, resulting in a decrease in surface treatment quality. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide a roll surface treatment device, which can ensure the stability of the roll during the heat treatment process by adopting a vertical placement method and combining structural designs such as clamping, rotation and uniform heating control, while achieving uniform heating of its outer surface, improving the heat treatment quality, and enhancing the service life and performance of the roll.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A roll surface treatment device includes a heating chamber, a support member, and a rotating member. The front end of the heating chamber is open, and a door is rotatably connected to the opening. The support member is movably mounted on the bottom surface of the heating chamber and is used to support the roll to be surface treated. The rotating member is mounted on the top surface of the heating chamber. The support member includes a support frame, which is horizontally slidably assembled on the bottom surface of the heating chamber. A bracket is rotatably connected to the top surface of the support frame. Multiple screw holes are evenly and vertically fixed on the top surface of the bracket, and clamping bolts are horizontally threaded through each of the screw holes. The rotating member includes a guide rod, which is vertically fixed on the top surface of the heating chamber. A perforated plate is vertically slidably assembled on the guide rod. A drive motor is vertically fixed on the bottom surface of the perforated plate, and a rotating rod is vertically fixed at the output end of the drive motor. The rotating rod passes through the top surface of the heating chamber.

[0008] Furthermore, a sliding strip is horizontally fixed on the bottom surface of the heating box, a sliding frame is horizontally fixed on the bottom surface of the support frame, and the sliding strip and the sliding frame are slidably assembled. A screw cylinder is horizontally fixed on the top and bottom surface of the support frame.

[0009] Furthermore, a moving motor is horizontally fixed on the rear end face of the outer wall of the heating box, and a moving screw is horizontally rotatably connected on the rear end face of the inner wall of the heating box. The output end of the moving motor is fixedly connected to the end of the moving screw, and the moving screw and the screw barrel are threadedly connected and assembled.

[0010] Furthermore, the end of the clamping bolt is rotatably connected to a clamping seat.

[0011] Furthermore, a pressure seat is vertically fixed at the bottom of the rotating rod, and the pressure seat presses against the top of the roll.

[0012] Furthermore, a top plate is horizontally fixed to the top surface of the guide rod, and a downward hydraulic rod is vertically fixed to the top surface of the top plate.

[0013] Furthermore, the bottom of the output end of the downward hydraulic rod is fixed to the top surface of the orifice plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] Firstly, this invention utilizes a support structure to allow the roll to be placed vertically, and a combination of clamping bolts and clamping seats ensures stable fixation of the roll during heating, preventing deformation caused by uneven heating. The bracket employs a rotatable structure, and the sliding connection between the support frame and the sliding frame allows the roll to smoothly enter the heating chamber, improving its movement stability and preventing swaying or tilting during movement. Furthermore, the multi-point distribution design of the screw holes ensures more uniform clamping force, making it suitable for rolls of different diameters and expanding the applicability of the device.

[0016] Secondly, this invention optimizes the internal structure of the heating chamber, avoiding the uneven heat treatment problem caused by the unreasonable arrangement of heating elements in existing equipment. The heating chamber adopts a closed design, and a high-temperature resistant sealing strip is installed at the door to reduce heat loss and improve heat treatment efficiency. At the same time, the moving screw inside the heating chamber cooperates with the support frame to ensure that the rollers can accurately enter the heating area and maintain a stable heating position, thus improving the consistency of heat treatment.

[0017] Furthermore, this invention improves the rotating component, enabling the roll to rotate stably during the heating process. The cooperation between the drive motor and the rotating rod allows the roll to rotate uniformly around its own axis, ensuring even heating of the roll's outer surface and preventing localized overheating or underheating. The sliding connection between the guide rod and the orifice plate allows the downward hydraulic rod to provide stable vertical pressure, ensuring the roll remains balanced during rotation, improving rotational accuracy, and preventing uneven rotation from affecting the heat treatment effect.

[0018] Finally, this invention uses high-strength, high-temperature resistant materials to manufacture key components such as the support frame, rotating rod, pressure seat, and guide rod, which improves the durability and heat resistance of the device, ensuring long-term stable operation of the equipment in high-temperature environments. Simultaneously, the clamping bolt ends are coated with a high-temperature resistant ceramic coating and filled with a high-temperature resistant silicone pad, reducing damage to the roll surface, ensuring clamping stability, and improving the quality of heat treatment.

[0019] In summary, the roll surface treatment device of this utility model solves the problems of uneven heating, unstable rotation, and unreasonable fixing methods in existing roll heat treatment equipment by optimizing the roll fixing method, improving the structural layout of the heating box, enhancing the rotational stability of the roll, and using high heat-resistant materials. This improves the quality of roll surface treatment, extends the service life of the roll, and increases production efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of this utility model in an disassembled state;

[0022] Figure 3 This is a schematic diagram of the heating box of this utility model in its disassembled state;

[0023] Figure 4 This is a schematic diagram of the rotating component of this utility model in its disassembled state;

[0024] Figure 5 This is a structural diagram of the lifting component of this utility model in its disassembled state.

[0025] The attached diagram lists the components represented by each number as follows:

[0026] 1. Heating box; 11. Sliding bar; 12. Moving motor; 13. Moving screw; 14. Box door; 2. Lifting component; 21. Support frame; 22. Sliding frame; 23. Screw barrel; 24. Bracket; 25. Screw hole seat; 26. Clamping bolt; 27. Clamping seat; 3. Rotating component; 31. Guide rod; 32. Orifice plate; 33. Drive motor; 34. Rotating rod; 35. Pressure seat; 36. Top plate; 37. Downward hydraulic rod. Detailed Implementation

[0027] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0028] refer to Figures 1-5 As shown, a roll surface treatment device includes a heating chamber 1, a support member 2, and a rotating member 3. The front end face of the heating chamber 1 is open. A door 14 is rotatably connected to the opening of the heating chamber 1. The door 14 is hinged to the front end face of the heating chamber 1, and a high-temperature resistant sealing strip is provided on the inner side of the door 14 to reduce heat loss and improve heating efficiency. The support member 2 is movably disposed on the bottom surface inside the heating chamber 1. The support member 2 is used to support the roll that needs surface treatment and ensure that the roll maintains a stable vertical state during the heating process to avoid tilting and affecting the uniformity of heat treatment. The rotating member 3 is disposed on the top surface of the heating chamber 1. The rotating member 3 is used to apply vertical pressure and drive the roll to rotate to ensure that the roll surface is heated uniformly and improve the heat treatment quality.

[0029] The support component 2 includes a support frame 21, which is made of high-temperature resistant alloy steel with a thickness of 10mm, and can be used for a long time in high-temperature environments without deformation. The support frame 21 is horizontally slidably assembled on the inner bottom surface of the heating box 1, so that the roll can move along the length of the heating box 1 to facilitate entering and exiting the heating area. A bracket 24 is rotatably connected to the top surface of the support frame 21. The bracket 24 is connected with high-temperature resistant bearings to ensure low friction during rotation and improve the rotational stability of the roll. Multiple screw hole seats 25 are evenly and vertically fixed on the top surface of the bracket 24. Each screw hole seat 25 is made of high-strength alloy material and can withstand the clamping force applied by the clamping bolts 26, avoiding deformation or loosening during clamping. Clamping bolts 26 are horizontally threaded through the multiple screw hole seats 25. The clamping bolts 26 are used to adjust the clamping force to adapt to rolls of different diameters, making the clamping more secure and improving the stability of heat treatment.

[0030] The rotating component 3 includes a guide rod 31, which is vertically fixed to the top surface of the heating chamber 1. The guide rod 31 is made of stainless steel with a diameter of 25mm to ensure good oxidation resistance and wear resistance in high-temperature environments. A perforated plate 32 is vertically slidably mounted on the guide rod 31. A drive motor 33 is vertically fixed on the bottom surface of the perforated plate 32. The drive motor 33 is a high-torque servo motor with a power of 750W, which can stably drive the rotating rod 34 to rotate. The output end of the drive motor 33 is vertically fixed to the rotating rod 34, which is set through the top surface of the heating chamber 1. The rotating rod 34 is made of high-temperature wear-resistant alloy steel with a diameter of 20mm and coated with a heat-resistant coating to reduce heat loss and improve durability.

[0031] refer to Figure 3 As shown, a slide bar 11 is horizontally fixed on the bottom surface of the heating box 1. The slide bar 11 is made of 40Cr tempered steel to ensure that it is not easily worn during long-term sliding. The surface of the slide bar 11 is coated with a high-temperature resistant lubricating coating to reduce sliding resistance. A slide frame 22 is horizontally fixed on the bottom surface of the support frame 21. The slide frame 22 is slidably assembled with the slide bar 11. The slide frame 22 is equipped with a rolling bearing inside to ensure that the support frame 21 can slide smoothly and avoid jamming. A screw barrel 23 is horizontally fixed on the top bottom surface of the support frame 21. The internal thread of the screw barrel 23 is machined to H7 grade to ensure the matching accuracy with the screw and improve transmission efficiency.

[0032] refer to Figure 3 and Figure 5 As shown, a moving motor 12 is horizontally fixed on the rear end face of the outer wall of the heating box 1. The moving motor 12 is a servo motor with a rated power of 550W, which can provide stable rotational power to ensure that the lifting component 2 can move smoothly. A moving screw 13 is horizontally rotatably connected on the rear end face of the inner wall of the heating box 1. The moving screw 13 is made of T7A high-strength carbon tool steel with a diameter of 16mm, which has high wear resistance and heat resistance and can work in high-temperature environment for a long time without easily deforming. The output end of the moving motor 12 is fixedly connected to the end of the moving screw 13. The moving screw 13 and the screw barrel 23 are threaded through and assembled, and high-temperature lubricating oil is coated on its surface to reduce friction, improve transmission efficiency, and ensure that the lifting component 2 moves smoothly in the heating box 1.

[0033] refer to Figure 5 As shown, the end of the clamping bolt 26 is rotatably connected to a clamping seat 27. The clamping seat 27 is treated with a high-temperature resistant ceramic coating, which can withstand long-term operation in high-temperature environments and prevent wear caused by direct contact with the metal roll, thereby improving clamping stability. The inside of the clamping seat 27 is filled with a high-temperature resistant silicone pad to provide a cushioning effect, prevent damage to the roll surface during clamping, and enhance clamping stability.

[0034] refer to Figure 4As shown, a pressure seat 35 is vertically fixed at the bottom end of the rotating rod 34. The pressure seat 35 presses against the top of the roll. The surface of the pressure seat 35 is coated with a heat-resistant ceramic coating to improve its oxidation resistance and heat resistance. The bottom of the pressure seat 35 is designed with a spherical surface so that it can fit better with the top of the roll, reduce local pressure concentration, and ensure that the roll is subjected to uniform force during rotation.

[0035] refer to Figure 4 As shown, a top plate 36 is horizontally fixed on the top surface of the guide rod 31. The top plate 36 is made of Q235 carbon steel with a thickness of 8mm to provide sufficient support strength. A downward hydraulic rod 37 is vertically fixed on the top surface of the top plate 36. The thrust of the downward hydraulic rod 37 can reach 1000N, which can effectively apply vertical pressure to ensure that the roll fits tightly against the bracket 24 during rotation, reduce vibration, and improve rotational stability.

[0036] refer to Figure 4 As shown, the bottom of the output end of the downward hydraulic rod 37 is fixed on the top surface of the orifice plate 32. The orifice plate 32 is made of 45 steel and has been quenched to improve its strength and wear resistance, ensuring that it will not deform during long-term operation. At the same time, the orifice plate 32 is provided with a guide structure around its perimeter to keep it stable when sliding on the guide rod 31, preventing tilting from affecting the rotation accuracy of the rotating rod 34.

[0037] The working principle of this utility model is as follows: When in use, the roll to be heat-treated is placed vertically on the top surface of the bracket 24 of the support member 2. The clamping bolt 26 on the screw hole seat 25 is rotated to move horizontally, pushing the clamp seat 27 to press against the bottom of the roll. The clamping and squeezing ensures that the roll remains vertical. The moving motor 12 is started to drive the moving screw 13 to rotate, which drives the sliding frame 22 on the support frame 21 to slide inward into the heating box 1 on the sliding strip 11. The box door 14 is closed. The hydraulic rod 37 at the top of the rotating member 3 is started to push the perforated plate 32 down vertically on the guide rod 31, which drives the rotating rod 34 to insert downward into the heating box 1. The pressure seat 35 at the bottom of the rotating rod 34 presses against the top of the roll. The drive motor 33 is started to drive the rotating rod 34 to rotate, which drives the support frame 24 to rotate in the support frame 21, which drives the roll to rotate circumferentially, so that the outer surface of the roll is uniformly heat-treated, ensuring the uniformity of the heat treatment of the roll.

[0038] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A roll surface treatment device characterized by comprising: The heating box (1) includes a heating chamber (1), a support member (2), and a rotating member (3). The front end of the heating chamber (1) is open, and a door (14) is rotatably connected to the opening of the heating chamber (1). The support member (2) is movably mounted on the bottom surface of the heating chamber (1) and is used to support the rollers that need surface treatment. The rotating member (3) is mounted on the top surface of the heating chamber (1). The support member (2) includes a support frame (21), which is horizontally slidably assembled on the bottom surface of the heating chamber (1). A bracket (24) is rotatably connected to the top surface of the support frame (21). The bracket (24) has multiple screw hole seats (25) evenly and vertically fixed on its top surface, and each screw hole seat (25) has a horizontal thread through which clamping bolts (26) are assembled. The rotating part (3) includes a guide rod (31), which is vertically fixed on the top surface of the heating box (1), and a perforated plate (32) is vertically slidably assembled on the guide rod (31). A drive motor (33) is vertically fixed on the bottom surface of the perforated plate (32), and a rotating rod (34) is vertically fixed at the output end of the drive motor (33). The rotating rod (34) is set through the top surface of the heating box (1).

2. A roll surface treatment device according to claim 1, characterized in that: A slide bar (11) is horizontally fixed on the inner bottom surface of the heating box (1), and a slide frame (22) is horizontally fixed on the bottom surface of the support frame (21). The slide bar (11) and the slide frame (22) are slidably assembled. A screw cylinder (23) is horizontally fixed on the top bottom surface of the support frame (21).

3. A roll surface treatment device according to claim 2, characterized in that: A moving motor (12) is horizontally fixed on the rear end face of the outer wall of the heating box (1), and a moving screw (13) is horizontally rotatably connected on the rear end face of the inner wall of the heating box (1). The output end of the moving motor (12) is fixedly connected to the end of the moving screw (13), and the moving screw (13) and the screw barrel (23) are threaded through and assembled.

4. A roll surface treatment device according to claim 1, characterized in that: The end of the clamping bolt (26) is rotatably connected to a clamping seat (27).

5. A roll surface treatment device according to claim 1, wherein: The bottom end of the rotating rod (34) is vertically fixed with a pressure seat (35), which presses against the top of the roller.

6. A roll surface treatment device according to claim 1, characterized in that: A top plate (36) is horizontally fixed on the top surface of the guide rod (31), and a downward hydraulic rod (37) is vertically fixed on the top surface of the top plate (36).

7. A roll surface treatment device according to claim 6, wherein: The bottom of the output end of the downward hydraulic rod (37) is fixed on the top surface of the orifice plate (32).

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