Stable rolling mill stop rolling structure

Abstract

The utility model discloses a stable rolling mill limited rolling structure which comprises a lifting roller way, a graphite lubricating box, a built-in roller, a fixing base, a locking assembly and an auxiliary assembly, the graphite lubricating box is arranged on one side of the lifting roller way, and the built-in roller is arranged on the side, opposite to the graphite lubricating box, of the lifting roller way. The fixed base is arranged at the bottoms of the graphite lubricating box and the built-in roller and used for fixing the positions of the graphite lubricating box and the built-in roller, the locking assembly is arranged at the bottom of the built-in roller and used for independently disassembling the built-in roller, and the auxiliary assembly is arranged at the top of the fixed base and used for assisting in installing the locking assembly. Through the design of the built-in rollers, the fixed base, the locking assembly and the auxiliary assembly, a set of built-in rollers are additionally arranged between the position of an existing limiting front section lifting roller way and the first holding roller on the east side, blank supporting in the rolling process is optimized through the built-in rollers, vibration and deviation are reduced, and the rolling stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rolling mill equipment technical field, especially relates to a stable rolling mill limiting rolling structure. BACKGROUND

[0002] In the rolling mill limiting rolling process, when the limiting trolley is opened to the front section of the head, the distance from the core rod connecting part to the first pinch roll is 6.1m, when the outer diameter of the core rod is less than 90mm, the deflection and rigidity of the core rod will be very different, and with the speed increasing in the rolling process, the core rod will be greatly shaken, at this time, the treatment method is to reduce the speed or replace the core rod, thereby affecting the normal rolling of the production line, therefore, the scheme provides a stable rolling mill limiting rolling structure to solve the above problems. SUMMARY

[0003] The utility model discloses a stable rolling mill limiting rolling structure to solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a stable rolling mill limiting rolling structure, comprising:

[0005] Lifting roller way;

[0006] Graphite lubricating box, graphite lubricating box is set up at one side of lifting roller way;

[0007] In-machine roll, in-machine roll is set up at the opposite side of lifting roller way and graphite lubricating box;

[0008] Fixed base, fixed base is set up at the bottom of graphite lubricating box and in-machine roll, and fixed base is used to fix the position of graphite lubricating box and in-machine roll;

[0009] Locking assembly, locking assembly is set up at the bottom of in-machine roll, and locking assembly is used to separately remove in-machine roll;

[0010] Auxiliary assembly, auxiliary assembly is set up at the top of fixed base, and auxiliary assembly is used to assist the installation of locking assembly.

[0011] Preferably, the bottom of the in-machine roll is provided with a bottom plate, and the locking assembly is arranged at the connection between the bottom plate and the fixed base.

[0012] Preferably, the locking assembly comprises:

[0013] Bolt, the bolt is connected in sequence at the bottom of the fixed base and the bottom plate;

[0014] Nut, the nut is threadedly sleeved on the top of the bolt.

[0015] Preferably, the nut is provided with a sealing gasket at the connection with the bottom plate, and the sealing gasket is sleeved on the middle part of the bolt.

[0016] Preferably, the auxiliary assembly comprises a fixing cylinder arranged at the bottom of the fixing base, a fixing block is inserted into the inside of the fixing cylinder, a through hole is arranged in the middle part of the fixing block, a push plate is inserted into the inside of the through hole, and a spring is arranged at the bottom of the push plate.

[0017] Preferably, the bottom end of the fixing base is fixedly connected with a threaded cylinder, the fixing cylinder is sleeved at the bottom of the threaded cylinder, a hexagonal hole is arranged in the middle part of the threaded cylinder, and the bolt is inserted into the inside of the hexagonal hole.

[0018] Preferably, the two sides of the push plate are fixedly connected with sliding blocks in a symmetrical mode, and the inner walls on the two sides of the through hole are symmetrically provided with sliding grooves.

[0019] The technical effects and advantages of the present application are as follows:

[0020] The present application adds a group of in-machine rollers between the existing limit front section lifting roller way position and the first east side roller, optimizes the billet support in the rolling process, reduces vibration and deviation, and improves rolling stability. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front structure schematic view of the present application.

[0022] Figure 2 It is a front sectional structure schematic view of the connection between the bottom plate and the fixing seat of the present application.

[0023] Figure 3 It is a front sectional structure schematic view of the connection between the bottom plate and the fixing seat of the present application. Figure 2 It is an enlarged structure schematic view of part A of the present application.

[0024] Figure 4 It is a fixing block three-dimensional structure schematic view of the present application.

[0025] In the drawing: 1, lifting roller way; 2, graphite lubricating box; 3, in-machine roller; 301, bottom plate; 4, fixing base; 5, locking assembly; 501, bolt; 502, nut; 503, sealing gasket; 6, auxiliary assembly; 601, threaded cylinder; 602, push plate; 603, sliding block; 604, fixing cylinder; 605, spring; 606, through hole; 607, sliding groove; 608, fixing block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] The utility model provides a kind of Figures 1-4 As shown in:

[0028] Embodiment one:

[0029] A stable rolling mill limiting rolling structure, comprising:

[0030] Lifting roller 1;

[0031] Graphite lubricating tank 2, graphite lubricating tank 2 is arranged at one side of lifting roller 1;

[0032] Machine roll 3, machine roll 3 is arranged at the side opposite to graphite lubricating tank 2 of lifting roller 1;

[0033] Fixed base 4, fixed base 4 is arranged at the bottom of graphite lubricating tank 2 and machine roll 3, and fixed base 4 is used to fix the position of graphite lubricating tank 2 and machine roll 3;

[0034] Locking assembly 5, locking assembly 5 is arranged at the bottom of machine roll 3, and locking assembly 5 is used to separately dismount machine roll 3;

[0035] Auxiliary assembly 6, auxiliary assembly 6 is arranged at the top of fixed base 4, and auxiliary assembly 6 is used to assist the installation of locking assembly 5.

[0036] Specifically, the bottom of machine roll 3 is provided with bottom plate 301, and locking assembly 5 is arranged at the connecting portion of bottom plate 301 and fixed base 4.

[0037] It should be noted that a group of machine rolls 3 is added between the position of the existing limiting front lifting roller 1 to the first pinch roll on the east side, the original graphite lubricating tank 2 is one meter wide, is reduced to zero point four five meters, and the space left is used to install machine roll 3, the graphite spray ring is changed from the original two rings to a group of spray rings, the blank support in the rolling process is optimized through machine roll 3, vibration and deviation are reduced, and the rolling stability is improved;Graphite lubricating tank 2 and machine roll 3 share the same fixed base 4, and the position of graphite lubricating tank 2 and machine roll 3 is fixed through fixed base 4 during use.

[0038] Specifically, locking assembly 5 comprises:

[0039] Bolt 501, bolt 501 is sequentially connected at the bottom of fixed base 4 and bottom plate 301.

[0040] The nut 502 is threadedly sleeved on the top of the bolt 501.

[0041] Specifically, the nut 502 is provided with a sealing gasket 503 at the connection with the bottom plate 301, and the sealing gasket 503 is sleeved on the middle part of the bolt 501.

[0042] It should be noted that holes for mounting the inner roller 3 are provided on the fixed base 4 and the bottom plate 301. When it is necessary to fix the position of the inner roller 3, the inner roller 3 is first placed on the top of the fixed base 4, then the bolt 501 is sequentially inserted through the fixed base 4 and the bottom plate 301, and then the nut 502 is threadedly sleeved on the top of the bolt 501, so that the position of the bolt 501 and the nut 502 is fixed by extrusion. The number of nuts 502 is two, and the main function of installing two nuts 502 on the same bolt 501 is to prevent the thread from loosening by mutual locking and improve the connection reliability.

[0043] Example two:

[0044] The auxiliary assembly 6 is applied to the stable rolling mill limiting rolling structure in example one.

[0045] Specifically, the auxiliary assembly 6 includes a fixed cylinder 604 arranged at the bottom of the fixed base 4, the fixed cylinder 604 is connected with a fixed block 608 inside, the middle part of the fixed block 608 is provided with a through hole 606, the through hole 606 is connected with a push plate 602 inside, the bottom of the push plate 602 is provided with a spring 605, the bottom end of the fixed base 4 is fixedly connected with a threaded cylinder 601, the fixed cylinder 604 is threadedly sleeved on the bottom of the threaded cylinder 601, the middle part of the threaded cylinder 601 is provided with a hexagonal hole, the bolt 501 is inserted and connected in the hexagonal hole, the two sides of the push plate 602 are symmetrically fixedly connected with a sliding block 603, the inner walls on both sides of the through hole 606 are symmetrically provided with a sliding groove 607, and the sliding block 603 is inserted and connected in the sliding groove 607.

[0046] It should be noted that the top of the fixed cylinder 604 is provided with a threaded groove, and the inner wall at the bottom end of the threaded groove is provided with a groove matched with the fixing block 608, so that the fixing block 608 can be inserted into the inside of the fixed cylinder 604, and the fixing block 608 is fixed in the inside of the fixed cylinder 604 by bonding, the hexagonal hole in the middle of the threaded cylinder 601 is matched with the screw head of the bolt 501, so that the screw head of the bolt 501 can be inserted into the inside of the hexagonal hole, and the bolt 501 cannot rotate by the limitation of the hexagonal hole; the cross section of the through hole 606 is hexagonal, which is matched with the screw head of the bolt 501, so that the bolt 501 can move downward; the spring 605 is arranged at the bottom of the push plate 602, and in use, the push plate 602 is moved to one side of the bolt 501 by the spring 605.

[0047] Further, when it is necessary to install the in-machine roller 3, the in-machine roller 3 is first moved to the top of the fixed base 4, the bolt 501 is pressed downward by the in-machine roller 3, then the position of the in-machine roller 3 is moved, when the hole on the bottom plate 301 is aligned with the bolt 501, the bolt 501 is pushed by the spring 605 and passes through the hole on the bottom plate 301, the nut 502 is threaded on the bolt 501, thereby completing the installation of the in-machine roller 3, through the design, when the in-machine roller 3 is installed, the bolt 501 is directly passed through the bottom plate 301 by the spring 605, and the installation steps are reduced.

[0048] Finally, it should be noted that the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A stable mill back-up rolling structure, characterized by, The utility model relates to a graphite lubricating box (2) is arranged in one side of lifting roller (1), and the machine roller (3) is arranged in the opposite side of lifting roller (1) with graphite lubricating box (2), and the fixed base (4) is arranged in the bottom of graphite lubricating box (2) with machine roller (3), and the fixed base (4) is used for fixing the position of graphite lubricating box (2) with machine roller (3), and the locking assembly (5) is arranged in the bottom of machine roller (3), and the locking assembly (5) is used for separately disassembling machine roller (3), and the auxiliary assembly (6) is arranged in the top of fixed base (4), and the auxiliary assembly (6) is used for assisting the installation locking assembly (5). The bottom of machine roller (3) is provided with bottom plate (301), and the locking assembly (5) is arranged at the junction of bottom plate (301) and fixed base (4). The locking assembly (5) comprises: Bolt (501) is connected in fixed base (4) and the bottom of bottom plate (301) in turn, Nut (502) is threadedly sleeved on the top of bolt (501). The junction of nut (502) and bottom plate (301) is provided with sealing gasket (503), and sealing gasket (503) is sleeved on the middle part of bolt (501). The auxiliary assembly (6) comprises a fixed cylinder (604) arranged at the bottom of the fixed base (4), a fixed block (608) inserted into the inside of the fixed cylinder (604), a through hole (606) formed in the middle part of the fixed block (608), a push plate (602) inserted into the inside of the through hole (606), and a spring (605) arranged at the bottom of the push plate (602).

2. A stable mill back-up rolling configuration according to claim 1, characterized in that, The bottom end of the fixed base (4) is fixedly connected with a threaded cylinder (601), the fixed cylinder (604) is threadedly sleeved on the bottom of the threaded cylinder (601), a hexagonal hole is formed in the middle part of the threaded cylinder (601), and the bolt (501) is inserted into the inside of the hexagonal hole.

3. A stable mill back-up rolling structure according to claim 1, characterized in that, The two sides of the push plate (602) are fixedly connected with sliding blocks (603), the inner walls on both sides of the through hole (606) are symmetrically provided with sliding grooves (607), and the sliding blocks (603) are inserted into the inside of the sliding grooves (607). ​ ​ 4. A stable mill back-up rolling configuration according to claim 3, characterized in that, ​ 5. A stable mill back-up rolling configuration according to claim 4, characterized in that, ​ 6. A stable mill back-up rolling configuration according to claim 5, characterized in that, ​ 7. A stable mill back-up rolling configuration according to claim 6, characterized in that, ​

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