Hydraulic centering device of rolling mill

Abstract

The utility model discloses a rolling mill hydraulic centering device which comprises a hydraulic centering installation base, a centering driving assembly is connected to the upper portion of the hydraulic centering installation base, a clamping triggering stopping assembly is installed on the upper portion of the centering driving assembly, and a guide wheel installation assembly is arranged on one side of the clamping triggering stopping assembly. In actual use, through the centering driving assembly, the defects that an existing hand-cranking wheel driving mode is low in adjusting speed, prone to being blocked, large in labor intensity of workers, poor in safety and the like are overcome, through the self-locking performance of the transmission worm gear and the transmission worm, the centering device cannot move after being clamped and centered, and therefore the centering effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic centering of rolling mills, in particular to a hydraulic centering device for rolling mills. Background Art

[0002] Cold-rolled steel strip is an important product in the sheet metal industry. With economic development, more and more equipment and electrical appliances are being applied to cold-rolled steel plates of various specifications. In the cold rolling production of steel strip, a centering device must be installed at the entrance of the cold rolling mill and the entrance and exit of the pickling machine to guide and center the steel strip to ensure that the steel strip is in the correct position and to adjust the steel strip during continuous production to prevent it from deviating. Traditional centering devices generally use a hand-cranked wheel to drive the guide wheel of the centering device to move, thereby adjusting the position of the steel strip. However, the hand-cranked wheel drive method has disadvantages such as slow adjustment speed, easy jamming, high labor intensity for workers, and poor safety. Therefore, the existing rolling mill centering device needs to be improved. Utility Model Content

[0003] In view of the problems in the related art, the utility model proposes a rolling mill hydraulic centering device to overcome the above technical problems existing in the existing related art.

[0004] To this end, the specific technical solutions adopted in this utility model are as follows:

[0005] A rolling mill hydraulic centering device includes a hydraulic centering mounting seat, a centering drive assembly is connected above the hydraulic centering mounting seat, a clamping trigger stop assembly is installed above the centering drive assembly, and a guide wheel mounting assembly is provided on one side of the clamping trigger stop assembly:

[0006] In order to achieve the function of centering drive, the centering drive assembly includes a centering mounting frame, which is connected to the hydraulic centering mounting seat. A driving threaded rod is symmetrically and movably installed inside the centering mounting frame. The outer thread of the driving threaded rod is matched with a transmission slider. One end of the driving threaded rod is connected to a transmission worm gear, and a transmission worm is engaged with one side of the transmission worm gear. The outer periphery of the transmission worm is movably connected to a worm fixing frame, the worm fixing frame is connected to the hydraulic centering mounting seat, and one end of the transmission worm is connected to a hydraulic motor.

[0007] Furthermore, a controller is installed on one side of the hydraulic centering mounting seat, the hydraulic motor is electrically connected to the controller, and the hydraulic motor housing is fixedly connected to the worm fixing frame.

[0008] Furthermore, in order to achieve the effect of clamping trigger stop, the clamping trigger stop assembly includes a trigger fixing plate, the trigger fixing plate is connected to the transmission slider, a thrust spring is connected to one side of the trigger fixing plate, one end of the thrust spring is connected to the force plate, and a sliding rod is symmetrically connected to one side of the force plate. The sliding rod slides with the trigger fixing plate, and a trigger switch is installed inside the trigger fixing plate.

[0009] Furthermore, the trigger switch is electrically connected to the hydraulic motor.

[0010] Furthermore, in order to achieve the function of guide wheel installation, the guide wheel installation assembly includes a guide wheel installation frame, a rotating shaft is movably installed inside the guide wheel installation frame, and a rotating guide wheel is connected to the periphery of the rotating shaft.

[0011] Furthermore, a rubber sleeve is installed on the periphery of the rotating guide wheel.

[0012] Furthermore, a mounting fixing seat is installed inside the hydraulic centering mounting seat, and a bolt groove is opened inside the mounting fixing seat.

[0013] Furthermore, a calibration mounting frame is symmetrically connected to one side of the centering mounting frame, and an infrared sensor is installed inside the calibration mounting frame.

[0014] The beneficial effects of the utility model are:

[0015] (1) The present invention improves upon the prior art. In actual use, the centering drive assembly solves the shortcomings of the prior art hand-cranked wheel drive, such as slow adjustment speed, easy jamming, high labor intensity for workers, and poor safety. Furthermore, the self-locking property of the transmission worm wheel and the transmission worm prevents the clamp from moving after centering, thereby improving the centering effect.

[0016] (2) In actual use, by setting a trigger fixing plate, it is easy to install the thrust spring. When clamping, the force plate is stressed, and then the fixing plate is triggered to contact the trigger switch. Then the trigger switch controls the hydraulic motor to stop through the controller, thereby achieving the function of automatic clamping and centering and automatic stopping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the main structure of a hydraulic centering device for a rolling mill according to an embodiment of the present utility model;

[0019] Figure 2 This is a perspective view of a hydraulic centering device for a rolling mill according to an embodiment of the present utility model;

[0020] Figure 3 This is a structural schematic diagram of a centering drive assembly in a hydraulic centering device for a rolling mill according to an embodiment of the present utility model;

[0021] Figure 4 This is a structural diagram of a clamping trigger stop assembly in a hydraulic centering device for a rolling mill according to an embodiment of the present utility model;

[0022] Figure 5 It is a structural schematic diagram of a calibration mounting frame in a hydraulic centering device of a rolling mill according to an embodiment of the present utility model.

[0023] In the picture:

[0024] 1. Hydraulic centering mount; 2. Centering drive assembly; 201. Centering mount; 202. Drive threaded rod; 203. Transmission slider; 204. Transmission worm gear; 205. Transmission worm; 206. Worm mount; 207. Hydraulic motor; 3. Clamping trigger stop assembly; 301. Trigger fixing plate; 302. Thrust spring; 303. Force plate; 304. Sliding rod; 305. Trigger switch; 4. Guide wheel mounting assembly; 401. Guide wheel mounting frame; 402. Rotating shaft; 403. Rotating guide wheel; 5. Controller; 6. Rubber sleeve; 7. Mounting mount; 8. Bolt slot; 9. Calibration mount; 10. Infrared sensor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] According to an embodiment of the present utility model, a hydraulic centering device for a rolling mill is provided, including a hydraulic centering mounting seat 1, a centering drive assembly 2 is connected above the hydraulic centering mounting seat 1, a clamping trigger stop assembly 3 is installed above the centering drive assembly 2, and a guide wheel mounting assembly 4 is provided on one side of the clamping trigger stop assembly 3.

[0027] like Figure 1-5As shown, according to the hydraulic centering device of the rolling mill according to the embodiment of the present invention, the centering drive assembly 2 includes a centering mounting frame 201, the centering mounting frame 201 is connected to the hydraulic centering mounting seat 1, and a driving threaded rod 202 is symmetrically and movably installed inside the centering mounting frame 201. The thread of the driving threaded rod 202 is also symmetrically arranged, and the outer thread of the driving threaded rod 202 is matched with a transmission slider 203, one end of the driving threaded rod 202 is connected to a transmission worm gear 204, and a transmission worm 205 is engaged with one side of the transmission worm gear 204. The outer periphery of the transmission worm gear 205 is movably connected to a worm fixing frame 206, the worm fixing frame 206 is connected to the hydraulic centering mounting seat 1, and one end of the transmission worm gear 205 is connected to a hydraulic motor 207. A controller 5 is installed on one side of the hydraulic centering mounting seat 1, the hydraulic motor 207 is electrically connected to the controller 5, and the outer shell of the hydraulic motor 207 is fixedly connected to the worm fixing frame 206.

[0028] Through the above technical solution, by setting up a hydraulic motor 207, the hydraulic motor 207 can drive the transmission worm 205 to rotate in the worm fixing frame 206, and when the transmission worm 205 rotates, it can drive the transmission worm wheel 204 to rotate, and when the transmission worm wheel 204 rotates, it can drive the transmission worm 205 to rotate in the centering mounting frame 201, and when the transmission worm 205 rotates, it can drive the transmission slider 203 to move along the centering mounting frame 201, and the centering clamping is performed by clamping the trigger stop component 3 and the guide wheel mounting component 4. After the centering clamping, the self-locking property of the transmission worm wheel 204 and the transmission worm 205 makes it impossible to move after the clamping is centered, thereby achieving the effect of improving the centering effect, and by setting up a controller 5, it is possible to easily control the hydraulic motor 207.

[0029] like Figure 1-5 As shown, according to the hydraulic centering device of the rolling mill embodiment of the present invention, the clamping trigger stop assembly 3 includes a trigger fixing plate 301, the trigger fixing plate 301 is connected to the transmission slider 203, a thrust spring 302 is connected to one side of the trigger fixing plate 301, one end of the thrust spring 302 is connected to the force plate 303, a sliding rod 304 is symmetrically connected to one side of the force plate 303, the sliding rod 304 is slidably matched with the trigger fixing plate 301, a trigger switch 305 is installed inside the trigger fixing plate 301, and the trigger switch 305 is electrically connected to the hydraulic motor 207.

[0030] Through the above technical solution, by setting the trigger fixing plate 301, the thrust spring 302 can be easily installed. When clamping, the force-bearing plate 303 is subjected to force, and then the fixing plate 301 is triggered to contact the trigger switch 305. Then the trigger switch 305 controls the hydraulic motor 207 to stop through the controller 5, thereby achieving the function of automatic clamping and centering and automatic stopping.

[0031] like Figure 1-5As shown, according to the hydraulic centering device of the rolling mill embodiment of the present invention, the guide wheel mounting assembly 4 includes a guide wheel mounting frame 401, a rotating shaft 402 is movably installed inside the guide wheel mounting frame 401, a rotating guide wheel 403 is connected to the periphery of the rotating shaft 402, a rubber sleeve 6 is installed on the periphery of the rotating guide wheel 403, a mounting fixing seat 7 is installed inside the hydraulic centering mounting seat 1, a bolt groove 8 is provided inside the mounting fixing seat 7, a calibration mounting frame 9 is symmetrically connected to one side of the centering mounting frame 201, an infrared sensor 10 is installed inside the calibration mounting frame 9, the infrared sensor 10 is electrically connected to the controller 5, and a buzzer is electrically connected to one side of the controller 5.

[0032] Through the above technical solution, by setting the guide wheel mounting frame 401, the function of facilitating the movable installation of the rotating shaft 402 is achieved, the rotating shaft 402 is facilitated to install the rotating guide wheel 403, and the rubber sleeve 6 is used to protect the rotating guide wheel 403. By setting the mounting base 7 and the bolt groove 8, the function of facilitating the installation of the device is achieved. By setting the calibration mounting frame 9, the function of facilitating the installation of the infrared sensor 10 is achieved. When one of the infrared sensors 10 is blocked and the other infrared sensor 10 is not blocked, the infrared sensor 10 will stop the hydraulic motor 207 and start the buzzer to remind the staff that the transmission slider 203 is not moving at the same time, so as to repair the central drive assembly.

[0033] In order to facilitate understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in actual process is described in detail below.

[0034] By setting a hydraulic motor 207, the hydraulic motor 207 can drive the transmission worm 205 to rotate in the worm fixing frame 206. When the transmission worm 205 rotates, the transmission worm wheel 204 can be driven to rotate. When the transmission worm wheel 204 rotates, the transmission worm 205 can be driven to rotate in the centering mounting frame 201. When the transmission worm 205 rotates, the transmission slider 203 can be driven to move along the centering mounting frame 201. The centering clamping is performed by the clamping trigger stop component 3 and the guide wheel mounting component 4. After the centering clamping, the self-locking property of the transmission worm wheel 204 and the transmission worm 205 makes it impossible to move after the clamping is centered, thereby achieving the effect of improving the centering effect. By setting a controller 5, it is convenient to control the hydraulic motor 207. By setting a trigger fixing plate 301, it is convenient to install the thrust spring 302. When clamping, the force plate 303 After being subjected to force, the fixing plate 301 is triggered to contact the trigger switch 305, and then the trigger switch 305 controls the hydraulic motor 207 to stop through the controller 5, thereby achieving the function of automatic clamping and centering and automatic stopping; by setting the guide wheel mounting frame 401, it is convenient to install the rotating shaft 402, and the rotating shaft 402 is convenient to install the rotating guide wheel 403, so that the rubber sleeve 6 can protect the rotating guide wheel 403, and by setting the mounting base 7 and the bolt slot 8, it is convenient to install the device, and by setting the calibration mounting frame 9, it is convenient to install the infrared sensor 10. When one of the infrared sensors 10 is blocked, the other infrared sensor 10 is not blocked, then the infrared sensor 10 will stop the hydraulic motor 207 and start the buzzer to remind the staff that the transmission slider 203 is not moving at the same time, so as to repair the centering drive component.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A rolling mill hydraulic centering device, characterized in that: The invention comprises a hydraulic centering mounting seat (1), a centering drive assembly (2) is connected above the hydraulic centering mounting seat (1), a clamping trigger stop assembly (3) is installed above the centering drive assembly (2), and a guide wheel mounting assembly (4) is provided on one side of the clamping trigger stop assembly (3): The centering drive assembly (2) comprises a centering mounting frame (201), the centering mounting frame (201) being connected to the hydraulic centering mounting seat (1), a driving threaded rod (202) being symmetrically and movably mounted inside the centering mounting frame (201), a transmission slider (203) being threadedly engaged with the outer periphery of the driving threaded rod (202), one end of the driving threaded rod (202) being connected to a transmission worm wheel (204), a transmission worm (205) being meshed with one side of the transmission worm wheel (204), a worm fixing frame (206) being movably connected to the outer periphery of the transmission worm wheel (205), the worm fixing frame (206) being connected to the hydraulic centering mounting seat (1), and one end of the transmission worm wheel (205) being connected to a hydraulic motor (207).

2. A rolling mill hydraulic centering device according to claim 1, characterized in that: A controller (5) is installed on one side of the hydraulic centering mounting seat (1), the hydraulic motor (207) is electrically connected to the controller (5), and the housing of the hydraulic motor (207) is fixedly connected to the worm fixing frame (206).

3. A rolling mill hydraulic centering device according to claim 2, characterized in that: The clamping trigger stop assembly (3) comprises a trigger fixing plate (301), the trigger fixing plate (301) is connected to the transmission slider (203), one side of the trigger fixing plate (301) is connected to a thrust spring (302), one end of the thrust spring (302) is connected to a force-bearing plate (303), one side of the force-bearing plate (303) is symmetrically connected to a sliding rod (304), the sliding rod (304) is slidably matched with the trigger fixing plate (301), and a trigger switch (305) is installed inside the trigger fixing plate (301).

4. A rolling mill hydraulic centering device according to claim 3, characterized in that: The trigger switch (305) is electrically connected to the hydraulic motor (207).

5. A rolling mill hydraulic centering device according to claim 4, characterized in that: The guide wheel mounting assembly (4) comprises a guide wheel mounting frame (401), a rotating shaft (402) is movably mounted inside the guide wheel mounting frame (401), and a rotating guide wheel (403) is connected to the periphery of the rotating shaft (402).

6. A rolling mill hydraulic centering device according to claim 5, characterized in that: A rubber sleeve (6) is installed on the periphery of the rotating guide wheel (403).

7. A rolling mill hydraulic centering device according to claim 6, characterized in that: A mounting fixing seat (7) is installed inside the hydraulic centering mounting seat (1), and a bolt slot (8) is provided inside the mounting fixing seat (7).

8. The rolling mill hydraulic centering device according to claim 7, characterized in that: One side of the centering mounting frame (201) is symmetrically connected to a calibration mounting frame (9), and an infrared sensor (10) is installed inside the calibration mounting frame (9).

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