Preheating device for roller

Abstract

The utility model provides a preheating device for a roller, which belongs to the field of roller preheating and comprises an operating platform, a preheating mechanism is arranged at the top of the operating platform, a rotating component is arranged on one side of the operating platform, and a monitoring component is arranged on one side of the preheating mechanism. By arranging the preheating mechanism, the roller is heated through the electromagnetic coil, the heating speed is increased, and the effect that large temperature difference exists between the surface of the roller and the interior of the roller is avoided; a roller needing to be preheated is vertically placed in a placing sleeve, a first servo motor is started, so that two sliding plates and a cover plate oppositely move to the top of the placing sleeve, and the top of the placing sleeve is blocked; the electromagnetic coil is communicated with an external power supply, the roller is preheated through the electromagnetic coil, the preheating speed of the roller is greatly increased, and the temperature difference in the roller is small.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of roll preheating, in particular to a preheating device for roll. BACKGROUND

[0002] In the metal processing industry, the roll as an important processing tool is widely used in the rolling process of metal materials such as steel and aluminum; the working performance of the roll directly affects the rolling quality and production efficiency of the metal material; in order to improve the working efficiency of the roll and prolong its service life, preheating treatment has become an indispensable link.

[0003] Through retrieval, the prior art discloses a preheating device for roll; including the bottom plate, both sides of the top of the bottom plate are fixedly connected with the fixed plate, the top of the fixed plate is fixedly connected with the air cylinder, the opposite side of the two air cylinders is movably connected with the first fixed block, the side away from the air cylinder of the first fixed block is fixedly connected with the movable plate, the bottom of the movable plate is movably connected with the pulley, the side away from the pulley of the movable plate is movably connected with the connecting block; the utility model solves the problem that the existing preheating device for roll does not have the problem of quick replacement of the roll through the cooperation of the bottom plate, the fixed plate, the air cylinder, the pulley, the sliding groove, the sliding block, the base, the movable plate, the first fixed block, the second fixed block, the right heating half box body, the limiting block, the limiting groove, the left heating half box body, the bolt, the connecting block, the oil discharge pipe, the heat preservation layer, the oil pipe, the first shower head, the second shower head, the oil pump, the oil suction pipe and the oil tank, but still has the following defects:

[0004] The device preheats the roll by spraying rolling oil when in use, the energy conversion efficiency is low, part of the heat is lost in the transmission process, the preheating time is long, and the temperature uniformity of the heated rolling oil is poor, which easily leads to a large temperature difference between the surface and the inside of the roll, and the preheating effect is poor.

[0005] Therefore, we improve it and propose a preheating device for roll. UTILITY MODEL CONTENT

[0006] The utility model aims at: aiming at the existing problems that the roll is preheated by spraying rolling oil, the energy conversion efficiency is low, part of the heat is lost in the transmission process, the preheating time is long, and the temperature uniformity of the heated rolling oil is poor, which easily leads to a large temperature difference between the surface and the inside of the roll, and the preheating effect is poor.

[0007] In order to realize the above-mentioned utility model purposes, the utility model provides the following technical scheme:

[0008] The preheating device for roll is used to improve the above-mentioned problems.

[0009] The utility model discloses a specific as follows:

[0010] Including operation platform, the top of operation platform is provided with preheating mechanism, one side of operation platform is provided with rotating component, one side of preheating mechanism is provided with monitoring component,

[0011] Preheating mechanism includes placing sleeve, heat insulating cylinder, electromagnet coil, sliding slot, first servo motor, screw rod, stabilizer, sliding plate and apron, placing sleeve fixedly connected in the top of operation platform, heat insulating cylinder fixedly connected in the inner wall of placing sleeve, electromagnet coil sets up in the inner wall of heat insulating cylinder, two sliding slots are all set up in the top of operation platform, two first servo motors are respectively bolted in the both sides of operation platform, two screw rods are respectively coaxial and set up in the output of two first servo motors, two screw rods are respectively located in the inside of two sliding slots, two stabilizers are respectively fixedly connected in the inner wall of two sliding slots, two sliding plates are respectively screwed on the outer wall of two screw rods, two sliding plates are respectively slidingly connected in the outer wall of two stabilizers, two aprons are respectively fixedly connected in one side of two sliding plates.

[0012] As a preferred technical scheme of the utility model, the rotating component includes a second servo motor, a rotating column, and a rotating tray, the second servo motor is bolted to the bottom of the operation platform, the rotating column is vertically arranged on the output end of the second servo motor, the rotating tray is fixedly connected to the top of the rotating column, and the rotating tray is located in the inside of the placing sleeve.

[0013] As a preferred technical scheme of the utility model, the monitoring component includes an infrared temperature detector, a supporting block, and a display screen, the infrared temperature detector is arranged on one side of the placing sleeve, the supporting block is fixedly connected to the top of the operation platform, the display screen is arranged on the top of the supporting block, and the infrared temperature detector is electrically connected with the display screen.

[0014] As a preferred technical scheme of the utility model, the inside of each of the two aprons is screwed with a threaded column, one end of the threaded column is fixedly connected with a limiting plate, a placing groove is formed on one side of the limiting plate, a stabilizing roller is rotatably connected to the inner wall of the placing groove, two slide rods are fixedly connected to one side of the limiting plate, and one end of the slide rod penetrates through the apron and is slidingly connected with the apron.

[0015] As a preferred technical scheme of the utility model, the top of the heat insulating cylinder is fixedly connected with a blocking cylinder, the bottom of each of the two aprons is fixedly connected with an arc-shaped plate, and the inner wall of the arc-shaped plate is attached to the outer wall of the placing sleeve.

[0016] As a preferred technical scheme of the utility model, a stabilizing groove is formed in the inside of the operation platform, a stabilizing ring is fixedly connected to the bottom of the rotating tray, and the stabilizing ring is rotatably connected to the inner wall of the stabilizing groove.

[0017] As the preferred technical scheme of the utility model, the inner wall of two cover plates is fixedly connected with a stable plate.

[0018] Compared with the prior art, the utility model has the beneficial effects of:

[0019] In the scheme of the utility model,

[0020] The preheating mechanism is provided, the electromagnetic coil is used for heating the roll, the heating speed is improved, and the large temperature difference between the surface and the inside of the roll is avoided; the roll to be preheated is vertically placed in the placement sleeve, the first servo motor is started, and the two sliding plates and the cover plates are moved to the top of the placement sleeve to block the top of the placement sleeve; the electromagnetic coil is connected with the external power supply, the roll is preheated by the electromagnetic coil, the preheating speed of the roll is greatly improved, and the temperature difference in the roll is small. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure schematic view of the roll preheating device is provided for the utility model;

[0022] Figure 2 The right view sectional structure schematic view of the roll preheating device is provided for the utility model;

[0023] Figure 3 The roll preheating device is provided for the utility model, Figure 2 The enlarged view of A in the middle;

[0024] Figure 4 The front view sectional structure schematic view of the roll preheating device is provided for the utility model;

[0025] Figure 5 The roll preheating device is provided for the utility model, Figure 4 The enlarged view of B in the middle.

[0026] Indicated in the figure:

[0027] 1, operation platform; 2, preheating mechanism; 3, rotating assembly; 4, monitoring assembly; 201, placement sleeve; 202, heat insulation cylinder; 203, electromagnetic coil; 204, sliding groove; 205, first servo motor; 206, screw rod; 207, stabilizing rod; 208, sliding plate; 209, cover plate; 301, second servo motor; 302, rotating column; 303, rotating tray; 401, external temperature measuring instrument; 402, supporting block; 403, display screen; 5, threaded column; 6, limiting plate; 7, placement groove; 8, stabilizing roll; 9, sliding rod; 10, blocking cylinder; 11, arc plate; 12, stabilizing groove; 13, stabilizing ring; 14, stable plate. DETAILED DESCRIPTION

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0029] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0030] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0031] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0032] like Figures 1-5 As shown, this embodiment proposes a preheating device for rolling mills, including an operating table 1, a preheating mechanism 2 is provided on the top of the operating table 1, a rotating component 3 is provided on one side of the operating table 1, and a monitoring component 4 is provided on one side of the preheating mechanism 2.

[0033] like Figure 2As shown, the preheating mechanism 2 comprises a placing sleeve 201, an insulation cylinder 202, an electromagnetic coil 203, a sliding groove 204, a first servo motor 205, a lead screw 206, a stabilizing rod 207, a sliding plate 208 and a cover plate 209, the placing sleeve 201 is fixedly connected to the top of the operation table 1, the insulation cylinder 202 is fixedly connected to the inner wall of the placing sleeve 201, the electromagnetic coil 203 is arranged on the inner wall of the insulation cylinder 202, two sliding grooves 204 are arranged on the top of the operation table 1, two first servo motors 205 are respectively hinged to the two sides of the operation table 1, two lead screws 206 are coaxially arranged on the output ends of the two first servo motors 205, the two lead screws 206 are respectively located in the two sliding grooves 204, two stabilizing rods 207 are respectively fixedly connected to the inner walls of the two sliding grooves 204, two sliding plates 208 are respectively threadedly connected to the outer walls of the two lead screws 206, the two sliding plates 208 are respectively slidingly connected to the outer walls of the two stabilizing rods 207, and two cover plates 209 are respectively fixedly connected to one side of the two sliding plates 208. The roller to be preheated is vertically placed in the placing sleeve 201, the two first servo motors 205 are respectively started, the two lead screws 206 are rotated, and then the sliding plates 208 and the cover plates 209 are moved to the top of the placing sleeve 201 under the action of the stabilizing rods 207, and the two cover plates 209 are abutted to block the top of the placing sleeve 201; the electromagnetic coil 203 is connected with an external power supply, so that the roller is preheated; the electromagnetic coil 203 uses the principle of electromagnetic induction to generate eddy current in the roller, and through the eddy current effect, the roller is uniformly heated from the inside to the outside, and the heating speed is relatively fast, so that the preheating speed of the roller is greatly improved; after preheating, the first servo motor 205 is reversed, the two cover plates 209 are moved in opposite directions, and the roller in the placing sleeve 201 is exposed, which is convenient for workers to take out.

[0034] As shown in the figure, Figure 4 The rotating assembly 3 comprises a second servo motor 301, a rotating column 302 and a rotating tray 303, the second servo motor 301 is hinged to the bottom of the operation table 1, the rotating column 302 is vertically arranged on the output end of the second servo motor 301, and the rotating tray 303 is fixedly connected to the top of the rotating column 302. The rotating tray 303 is located in the inside of the placing sleeve 201. When the roller is vertically placed in the placing sleeve 201, one end of the roller is in contact with the top of the rotating tray 303; when the roller is preheated, the second servo motor 301 can be started to rotate the rotating column 302 and the rotating tray 303, thereby driving the roller to slowly rotate, so that the roller is heated more uniformly.

[0035] As shown in the figure, Figure 2As shown, the monitoring assembly 4 comprises an infrared thermometer 401, a support block 402 and a display screen 403, the infrared thermometer 401 is arranged on one side of the placing sleeve 201, the support block 402 is fixedly connected to the top of the operation table 1, the display screen 403 is arranged on the top of the support block 402, the infrared thermometer 401 is electrically connected with the display screen 403, and the detection end of the infrared thermometer 401 is located in the inside of the placing sleeve 201. The infrared thermometer 401 can monitor the temperature change on the roll in real time, and transmit the signal to the display screen 403, so as to facilitate the operator to check.

[0036] As shown in Figure 3 two cover plates 209 are threadedly connected with threaded columns 5, one end of the threaded column 5 is fixedly connected with a limiting plate 6, a placing groove 7 is formed in one side of the limiting plate 6, a stabilizing roller 8 is rotatably connected to the inner wall of the placing groove 7, two slide rods 9 are fixedly connected to one side of the limiting plate 6, and one end of the slide rod 9 penetrates through the cover plate 209 and is slidably connected with the cover plate 209. By rotating the two threaded columns 5, the two limiting plates 6 can move towards or away from each other under the action of the slide rods 9 until the stabilizing roller 8 in the placing groove 7 contacts the outer wall of the roll, so that the roll can be clamped and limited, and the stability of the roll during rotation can be maintained by the stabilizing roller 8.

[0037] As shown in Figure 4 The top of the heat insulation cylinder 202 is fixedly connected with a blocking cylinder 10, the bottom of the two cover plates 209 is fixedly connected with arc-shaped plates 11, and the inner wall of the arc-shaped plate 11 is fitted with the outer wall of the placing sleeve 201. The blocking cylinder 10 and the two arc-shaped plates 11 are used in cooperation to limit the cover plate 209 moved to the top of the placing sleeve 201, so that the cover plate 209 on one side cannot move too much and cannot block the placing sleeve 201.

[0038] As shown in Figure 5 The inside of the operation table 1 is provided with a stabilizing groove 12, and the bottom of the rotating tray 303 is fixedly connected with a stabilizing ring 13 which is rotatably connected to the inner wall of the stabilizing groove 12. When the rotating tray 303 rotates, the stabilizing ring 13 will also rotate in the stabilizing groove 12 synchronously, which can increase the stability of the rotating tray 303 during rotation.

[0039] As shown in Figure 2 The inner wall of the two cover plates 209 is fixedly connected with a stabilizing plate 14. When the two cover plates 209 are fitted, the two stabilizing plates 14 will also be fitted to clamp the top of the roll; in cooperation with the limiting plate 6, the stability of the roll in the placing sleeve 201 can be improved.

[0040] Specifically, the preheating device for the roller is used in the following manner: the roller to be preheated is vertically placed in the placing sleeve 201, with one end of the roller in contact with the top of the rotating tray 303; the two first servo motors 205 are started respectively, so that the two lead screws 206 rotate, and the sliding plates 208 and the cover plates 209 move to the top of the placing sleeve 201 under the action of the stabilizing rods 207, and the two cover plates 209 are in close contact to block the top of the placing sleeve 201; then the two limiting plates 6 are moved towards or away from each other under the action of the sliding rods 9 by rotating the two threaded columns 5, until the stabilizing rollers 8 in the placing grooves 7 contact the outer wall of the roller, so that the roller is clamped and positioned; the electromagnetic coil 203 is connected to an external power supply, so that the roller is preheated; the electromagnetic coil 203 generates eddy current in the roller by the principle of electromagnetic induction, and the roller is uniformly heated from the inside to the outside by the eddy current effect, and the heating speed is relatively fast, which greatly improves the preheating speed of the roller; the second servo motor 301 is started to rotate the rotating column 302 and the rotating tray 303, so as to slowly rotate the roller, so that the roller is heated more uniformly; the infrared temperature detector 401 can monitor the temperature change of the roller in real time, and transmit the signal to the display screen 403, so that the operator can check; after preheating, the first servo motor 205 is reversed to move the two cover plates 209 in the opposite direction, so that the roller in the placing sleeve 201 is exposed, which is convenient for the worker to take out.

[0041] All the technical features in the embodiment can be freely combined according to actual needs.

[0042] The above embodiment is a preferred implementation scheme of the present application, and the present application can also be implemented in other ways without departing from the technical scheme concept. Any obvious replacement within the scope of the present application is within the protection scope of the present application.

Claims

1. A preheating device for a roll comprising an operating table (1), characterized in that, The top of the operation table (1) is provided with a preheating mechanism (2), one side of the operation table (1) is provided with a rotating assembly (3), and one side of the preheating mechanism (2) is provided with a monitoring assembly (4). The preheating mechanism (2) comprises a placing sleeve (201), a heat insulation cylinder (202), an electromagnetic coil (203), a sliding groove (204), a first servo motor (205), a lead screw (206), a stabilizing rod (207), a sliding plate (208) and a cover plate (209), the placing sleeve (201) is fixedly connected to the top of the operation table (1), the heat insulation cylinder (202) is fixedly connected to the inner wall of the placing sleeve (201), the electromagnetic coil (203) is arranged on the inner wall of the heat insulation cylinder (202), two sliding grooves (204) are formed in the top of the operation table (1), two first servo motors (205) are respectively hinged to the two sides of the operation table (1), two lead screws (206) are coaxially arranged on the output ends of the two first servo motors (205), respectively, the two lead screws (206) are located in the two sliding grooves (204), respectively, two stabilizing rods (207) are fixedly connected to the inner walls of the two sliding grooves (204), respectively, two sliding plates (208) are threadedly connected to the outer walls of the two lead screws (206), respectively, the two sliding plates (208) are slidably connected to the outer walls of the two stabilizing rods (207), respectively, and two cover plates (209) are fixedly connected to one side of the two sliding plates (208), respectively.

2. A preheating device for a roll according to claim 1, characterized in that The rotating assembly (3) comprises a second servo motor (301), a rotating column (302) and a rotating tray (303), the second servo motor (301) is hinged to the bottom of the operation table (1), the rotating column (302) is vertically arranged on the output end of the second servo motor (301), and the rotating tray (303) is fixedly connected to the top of the rotating column (302).

3. A preheating device for a roll according to claim 1, characterized in that The monitoring assembly (4) comprises an infrared thermometer (401), a supporting block (402) and a display screen (403), the infrared thermometer (401) is arranged on one side of the placing sleeve (201), the supporting block (402) is fixedly connected to the top of the operation table (1), the display screen (403) is arranged on the top of the supporting block (402), and the infrared thermometer (401) is electrically connected with the display screen (403).

4. A preheating device for a roll according to claim 1, characterized in that The interiors of the two cover plates (209) are threadedly connected with threaded columns (5), one end of the threaded column (5) is fixedly connected with a limiting plate (6), one side of the limiting plate (6) is provided with a placing groove (7), the inner wall of the placing groove (7) is rotatably connected with a stabilizing roller (8), one side of the limiting plate (6) is fixedly connected with two sliding rods (9), and one end of the sliding rod (9) penetrates through the cover plate (209) and is slidably connected with the cover plate (209).

5. A preheating device for a roll according to claim 1, characterized in that The top of the heat insulation cylinder (202) is fixedly connected with a blocking cylinder (10), the bottom of each of the two cover plates (209) is fixedly connected with an arc-shaped plate (11), and the inner wall of the arc-shaped plate (11) is attached to the outer wall of the placing sleeve (201).

6. A preheating device for a roll according to claim 2, characterized in that The inside of the operation table (1) is provided with a stabilizing groove (12), the bottom of the rotating tray (303) is fixedly connected with a stabilizing ring (13), and the stabilizing ring (13) is rotationally connected to the inner wall of the stabilizing groove (12).

7. A preheating device for a roll according to claim 1, characterized in that The inner wall of each of the two cover plates (209) is fixedly connected with a stabilizing plate (14).

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