Gap eliminating device for eighteen-roller mill

Abstract

The utility model relates to a gap eliminating device for an eighteen-roller mill, and belongs to the field of eighteen-roller mills. Comprising a rack, two mounting boxes fixedly connected to the outer portion of the rack, a fixing base fixedly connected between the two mounting boxes, a controller fixedly mounted on the front face of the mounting box on the left side and a plurality of rollers arranged between the two mounting boxes. Adjusting mechanisms extending to the outer portions of the mounting boxes are arranged in the mounting boxes, and stabilizing mechanisms are arranged on the outer portions of the two mounting boxes. According to the gap eliminating device for the eighteen-roller mill, a double-shaft motor is started to work through a controller to drive two transmission gears to rotate, the two transmission gears are rotationally meshed to drive two driven gears and a bidirectional threaded rod to rotate, and the bidirectional threaded rod rotates to drive a threaded block, a connecting block and a driving component to be close to or separated from each other; and the gaps between the multiple rollers can be accurately and conveniently adjusted, and the advantage of being high in practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of eighteen-roll rolling mills, in particular to a clearance elimination device for an eighteen-roll rolling mill. Background Technique

[0002] With the rapid development of China's industry, the production of metal strip is developing towards high strength, low thickness, high precision, high speed and high output. Multi-roll rolling mills have been continuously developed and improved in recent years due to their characteristics such as small working roll diameter, large rolling mill stiffness, small volume and light weight. Among them, the eighteen-roll rolling mill is an important model for producing cold-rolled continuous strip steel. The core technology of the eighteen-roll rolling mill is to add four groups of working roll side support devices on the basis of the traditional six-roll rolling mill, ensuring that the working roll has the ability to resist horizontal deflection.

[0003] During the use of the eighteen-roll rolling mill, a clearance elimination device for the eighteen-roll rolling mill is required. In the prior art, when the rolling rolls are working, since the rolling rolls bear a large force, the rolling rolls need to be disassembled for trimming every once in a while. In order to ensure that each rolling roll can be trimmed, disassembled and assembled, there is a horizontal clearance between each rolling roll bearing seat and the rolling mill frame. This clearance allows each rolling roll to be disassembled from the frame or installed on the frame. However, due to the very large force during the working process of the rolling mill, this horizontal clearance will affect the normal working of the rolling mill. The intermediate roll generates horizontal torsion, thus affecting the horizontal posture of the working roll, seriously affecting the production quality of the eighteen-roll rolling mill and not meeting the production requirements. Therefore, a clearance elimination device for the eighteen-roll rolling mill is proposed to solve the problems raised above. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a clearance elimination device for an eighteen-roll rolling mill, which has the advantages of being convenient for eliminating clearance and strong practicability, and solves the problems that in the prior art, during the working process of the eighteen-roll rolling mill, the force is very large, this horizontal clearance will affect the normal working of the rolling mill, the intermediate roll generates horizontal torsion, thus affecting the horizontal posture of the working roll, seriously affecting the production quality of the eighteen-roll rolling mill and not meeting the production requirements.

[0005] To achieve the above object, the utility model provides the following technical scheme: A clearance elimination device for an eighteen-roll rolling mill, comprising a frame, two mounting boxes fixedly connected to the outside of the frame, a fixed seat fixedly connected between the two mounting boxes, a controller fixedly installed on the front of the left mounting box, and a number of rollers arranged between the two mounting boxes. An adjusting mechanism extending to the outside thereof is arranged inside the mounting box, and a stabilizing mechanism is arranged outside both of the two mounting boxes;

[0006] The adjusting mechanism includes a dual-axis motor fixedly installed on the top of the fixed seat and a bidirectional threaded rod rotatably connected to the inside of the two mounting boxes and extending outside thereof. Transmission gears are fixedly connected to the two output shafts of the dual-axis motor. Driven gears meshing with the transmission gears are fixedly connected to one ends of the two bidirectional threaded rods away from the mounting boxes. Two threaded blocks are threadedly connected to the outside of each of the two bidirectional threaded rods. Connection blocks extending outside the mounting boxes are fixedly connected to the outside of each of the two threaded blocks. A driving component is fixedly connected to one side of the connection block away from the threaded block. The roller is rotatably connected to the inside of the driving component;

[0007] The stabilizing mechanism includes a fixed box fixedly connected to the outside of the mounting box. A hydraulic cylinder is fixedly installed on the inner top wall of the fixed box. A support seat is fixedly connected to the output end of the hydraulic cylinder.

[0008] Further, the dual-axis motor is electrically connected to the controller, and a bearing adapted to the bidirectional threaded rod is fixedly installed inside the mounting box.

[0009] Further, a moving port adapted to the connection block is opened inside the mounting box, and the outer diameter of the connection block is adapted to the inner diameter of the moving port.

[0010] Further, a sliding sleeve is fixedly connected to the outside of the threaded block, and a limiting rod is fixedly connected to the inside of the mounting box. The sliding sleeve is slidably connected to the outside of the limiting rod.

[0011] Further, the fixed box is a hollow cuboid, and a telescopic port adapted to the support seat is opened inside the fixed box.

[0012] Further, the number of the driving components is several, and several rollers are equally spaced between several driving components.

[0013] Further, four moving wheels with foot brakes are rotatably installed at the bottom of the frame, and the four moving wheels are rectangularly distributed at the bottom of the frame.

[0014] Compared with the prior art, the present utility model provides a gap elimination device for an eighteen-roll rolling mill, which has the following beneficial effects:

[0015] 1. For this gap elimination device for an eighteen-roll rolling mill, by starting the dual-axis motor to work through the controller to drive the two transmission gears to rotate, the two transmission gears rotate and mesh to drive the two driven gears and the bidirectional threaded rod to rotate respectively. The rotation of the bidirectional threaded rod drives the threaded block, the connection block and the driving component to approach or separate, which is convenient for accurately and conveniently adjusting the gap between several rollers, achieving the advantage of strong practicability.

[0016] 2. The gap elimination device of the eighteen-roll rolling mill starts the telescopic movement of the hydraulic cylinder through the controller to drive the support base to move downward, so that the support base contacts the ground, improving the stability of the eighteen-roll rolling mill body during operation and avoiding tipping. By setting the moving wheels, the device body can be moved as needed, achieving the advantage of strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a three-dimensional structural view of the adjustment mechanism of the present utility model;

[0019] Figure 3 It is a front structural view of the present utility model.

[0020] In the figure: 1 frame, 2 installation box, 3 fixed seat, 4 controller, 5 roller, 6 adjustment mechanism, 61 double-shaft motor, 62 driving gear, 63 driven gear, 64 bidirectional threaded rod, 65 threaded block, 66 connecting block, 67 driving component, 7 stabilizing mechanism, 71 fixed box, 72 hydraulic cylinder, 73 support base, 8 moving wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1 to 3, A gap elimination device for an eighteen-roll rolling mill in this embodiment includes a frame 1, two mounting boxes 2 fixedly connected to the outside of the frame 1, a fixed seat 3 fixedly connected between the two mounting boxes 2, a controller 4 fixedly installed on the front of the left mounting box 2, and a number of rollers 5 arranged between the two mounting boxes 2. An adjusting mechanism 6 extending to the outside thereof is provided inside the mounting box 2, and a stabilizing mechanism 7 is provided outside both of the two mounting boxes 2. The adjusting mechanism 6 includes a double-shaft motor 61 fixedly installed on the top of the fixed seat 3 and a bidirectional threaded rod 64 rotatably connected inside the two mounting boxes 2 and extending to the outside thereof. Transmission gears 62 are fixedly connected to both output shafts of the double-shaft motor 61. Driven gears 63 meshing with the transmission gears 62 are fixedly connected to one ends of the two bidirectional threaded rods 64 away from the mounting boxes 2. Two threaded blocks 65 are threadedly connected to the outside of each of the two bidirectional threaded rods 64. Connecting blocks 66 extending to the outside of the mounting boxes 2 are fixedly connected to the outside of the two threaded blocks 65. A driving component 67 is fixedly connected to one side of the connecting block 66 away from the threaded block 65. The roller 5 is rotatably connected inside the driving component 67.

[0023] Start the double-shaft motor 61 to work through the controller 4 to drive the two transmission gears 62 to rotate. The two transmission gears 62 rotate and mesh to drive the two driven gears 63 and the bidirectional threaded rods 64 to rotate respectively. The rotation of the bidirectional threaded rods 64 drives the threaded blocks 65, the connecting blocks 66 and the driving components 67 to approach or separate, which is convenient for accurately and conveniently adjusting the gap between a number of rollers 5, achieving the advantage of strong practicability.

[0024] Among them, the double-shaft motor 61 is electrically connected to the controller 4, and a bearing adapted to the bidirectional threaded rod 64 is fixedly installed inside the mounting box 2.

[0025] Specifically, a moving port adapted to the connecting block 66 is opened inside the mounting box 2, and the outer diameter of the connecting block 66 is adapted to the inner diameter of the moving port.

[0026] It should be noted that a sliding sleeve is fixedly connected to the outside of the threaded block 65, and a limiting rod is fixedly connected inside the mounting box 2. The sliding sleeve is slidably connected to the outside of the limiting rod. By providing the sliding sleeve and the limiting rod, the stability of the up and down movement of a number of rollers 5 is improved.

[0027] In addition, the number of the driving components 67 is a number, and a number of rollers 5 are equally spaced between a number of driving components 67.

[0028] In this embodiment, the stabilizing mechanism 7 includes a fixed box 71 fixedly connected to the outside of the mounting box 2. A hydraulic cylinder 72 is fixedly installed on the inner top wall of the fixed box 71, and a support seat 73 is fixedly connected to the output end of the hydraulic cylinder 72. By starting the hydraulic cylinder 72 to expand and contract through the controller 4, the support seat 73 is driven to move downward, so that the support seat 73 contacts the ground, improving the stability of the eighteen-roll rolling mill body during operation and avoiding tipping over.

[0029] Among them, the fixed box 71 is a hollow cuboid, and a telescopic opening adapted to the support seat 73 is provided inside the fixed box 71.

[0030] In this embodiment, four mobile wheels 8 with foot brakes are rotatably installed at the bottom of the frame 1, and the four mobile wheels 8 are distributed in a rectangular shape at the bottom of the frame 1. By providing the mobile wheels 8, the device body can be moved as needed, achieving the advantage of strong practicability.

[0031] The working principle of the above embodiment is as follows:

[0032] During use, the double-shaft motor 61 is started through the controller 4 to drive the two transmission gears 62 to rotate. The two transmission gears 62 rotate and mesh to drive the two driven gears 63 and the bidirectional threaded rod 64 to rotate respectively. The bidirectional threaded rod 64 rotates to drive the threaded block 65, the connecting block 66 and the driving component 67 to approach or separate, thereby accurately and conveniently adjusting the gap between several rollers 5. By starting the hydraulic cylinder 72 to expand and contract through the controller 4, the support seat 73 is driven to move downward, so that the support seat 73 contacts the ground, improving the stability of the eighteen-roll rolling mill body during operation and avoiding tipping over. By providing the mobile wheels 8, the device body can be moved as needed.

[0033] The electrical components mentioned in the text are all electrically connected to the controller and the power supply. The control mode of the present invention is controlled by the controller. The control circuit of the controller can be realized by simple programming by those skilled in the art. The provision of the power supply also belongs to the common knowledge in the art. And the present invention is mainly used to protect mechanical devices, so the control mode and circuit connection of the present invention will not be explained in detail. The device is powered by an external power supply.

[0034] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An 18-high rolling mill gap elimination device, characterized in that: The invention comprises a frame (1), two installation boxes (2) fixedly connected to the outside of the frame (1), a fixing seat (3) fixedly connected between the two installation boxes (2), a controller (4) fixedly installed on the front of the left installation box (2), and a plurality of rollers (5) arranged between the two installation boxes (2); an adjustment mechanism (6) extending to the outside of the installation box (2) is arranged inside the installation box (2); and a stabilizing mechanism (7) is arranged outside the two installation boxes (2); The adjustment mechanism (6) comprises a double-axis motor (61) fixedly mounted on the top of the fixing seat (3) and a bidirectional threaded rod (64) rotatably connected to the inside of the two installation boxes (2) and extending to the outside thereof, the two output shafts of the double-axis motor (61) are fixedly connected to a transmission gear (62), the ends of the two bidirectional threaded rods (64) away from the installation box (2) are fixedly connected to a driven gear (63) meshing with the transmission gear (62), the outsides of the two bidirectional threaded rods (64) are threadedly connected to two threaded blocks (65), the outsides of the two threaded blocks (65) are fixedly connected to a connecting block (66) extending to the outside of the installation box (2), the side of the connecting block (66) away from the threaded block (65) is fixedly connected to a driving component (67), and the roller (5) is rotatably connected to the inside of the driving component (67); The stabilizing mechanism (7) comprises a fixed box (71) fixedly connected to the outside of the installation box (2), a hydraulic cylinder (72) fixedly mounted on the inner top wall of the fixed box (71), and a support seat (73) fixedly connected to the output end of the hydraulic cylinder (72).

2. The gap eliminating device for an 18-high rolling mill according to claim 1, characterized in that: The dual-axis motor (61) is electrically connected to the controller (4), and a bearing compatible with the bidirectional threaded rod (64) is fixedly installed inside the installation box (2).

3. The gap eliminating device for an 18-high rolling mill according to claim 1, characterized in that: The installation box (2) is provided with a movable opening adapted to the connection block (66) inside, and the outer diameter of the connection block (66) is adapted to the inner diameter of the movable opening.

4. The gap eliminating device for an 18-high rolling mill according to claim 1, characterized in that: The outside of the threaded block (65) is fixedly connected with a sliding sleeve, the inside of the installation box (2) is fixedly connected with a limiting rod, and the sliding sleeve is slidably connected to the outside of the limiting rod.

5. The gap eliminating device for an 18-high rolling mill according to claim 1, characterized in that: The fixing box (71) is a hollow rectangular parallelepiped, and a telescopic opening adapted to the supporting seat (73) is provided inside the fixing box (71).

6. The gap eliminating device for an 18-high rolling mill according to claim 1, characterized in that: The number of the driving components (67) is several, and the several rollers (5) are distributed between the several driving components (67) at equal intervals.

7. The gap eliminating device for an 18-high rolling mill according to claim 1, characterized in that: Four moving wheels (8) with foot brakes are rotatably mounted at the bottom of the frame (1); the four moving wheels (8) are distributed in a rectangular shape at the bottom of the frame (1).

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