Four-roller reversible type rolling mill fixing base

Abstract

According to the four-roller reversible type rolling mill fixing base, the fixing base conducts auxiliary fixing on a rolling mill body through two clamping assemblies arranged in sliding grooves formed in the two ends of the fixing base, and a plurality of grooves are formed in the bottoms of the two sides of the rolling mill body. The clamping assembly comprises a clamping plate, a driving part is arranged on the side, close to the fixing base, of one end of the clamping plate, an auxiliary part is arranged on the side, close to the fixing base, of the other end of the clamping plate, and a plurality of first clamping strips and a plurality of second clamping strips are fixedly connected to the side, away from the side wall of the fixing base, of the clamping plate. The multiple first clamping strips and the multiple second clamping strips are arranged in a staggered mode and are matched with grooves formed in the bottom of the rolling mill body, the included angles between the first clamping strips and the horizontal line and between the second clamping strips and the horizontal line are 60 degrees and 120 degrees, and when the clamping strips are clamped into the grooves of the rolling mill body, a stable triangular supporting structure can be formed; by means of the structure, the stability of the rolling mill in the horizontal direction is enhanced, the anti-overturning capacity of the rolling mill in the vertical direction is improved, and it is guaranteed that the rolling mill can be kept stable during high-speed operation.

Description

Technical Field

[0001] The utility model relates to the technical field of four-high reversing mills, in particular to a fixed base of a four-high reversing mill. Background Art

[0002] The fixed base of a four-high reversing mill is an important part of the mill. It bears the weight of the entire mill and maintains the stability and accuracy of the mill during the rolling process. The base of a four-high reversing mill is usually made of materials with high strength and high toughness, such as Cr steel, etc. These materials have good mechanical properties and processing properties, and can meet the requirements of the mill base when bearing huge rolling forces and impact forces.

[0003] The installation between the fixed base of the existing four-high reversing mill and the mill is a direct installation. After the staff place the overall structure in a suitable position, they place the support plate under the mill on four right-angle gusset plates, and there is no other fixation for the mill. The direct installation method may cause the connection between the mill and the fixed base to become loose when subjected to impact or vibration, and thus lead to safety accidents.

[0004] Therefore, it is necessary to provide a new fixed base for a four-high reversing mill to solve the above technical problems. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides a fixed base for a four-high reversing mill.

[0006] The fixed base for a four-high reversing mill provided by the utility model includes: a fixed seat, and the fixed seat assists in fixing the mill body through two engaging components arranged in the chutes opened at both ends. A plurality of grooves are opened at the bottoms of both sides of the mill body;

[0007] The engaging component includes an engaging plate. One end of the engaging plate is provided with a driving member near one side of the fixed seat, and the other end of the engaging plate is provided with an auxiliary member near one side of the fixed seat. A plurality of first engaging strips and a plurality of second engaging strips are fixedly connected to the side wall of the engaging plate away from the fixed seat. The plurality of first engaging strips and the plurality of second engaging strips are arranged alternately and are adapted to the grooves opened at the bottom of the mill body. The included angles between the first engaging strips and the second engaging strips and the horizontal line are 60 degrees and 120 degrees.

[0008] Preferably, the fixed seat includes a bottom box. A plurality of mounting brackets are fixedly connected to the outside of the bottom box. A buffer lifting component is arranged inside the bottom box. The top of the buffer lifting component is fixedly connected to a connecting frame. Through grooves are opened on both sides of the connecting frame, and engaging plates are arranged in both of the through grooves.

[0009] Preferably, the driving member includes a first limiting block, a through hole is formed in the center of the first limiting block, a driving rod is arranged in the through hole of the first limiting block, the driving rod is movably connected to the first limiting block, a thread is formed on the side wall of the driving rod, the driving rod is in threaded connection with the engaging plate, and one end of the driving rod away from the first limiting block is movably connected to the connecting frame.

[0010] Preferably, the auxiliary member includes a second limiting block, an auxiliary rod is fixedly connected to the center of the side of the second limiting block close to the connecting frame, the auxiliary rod passes through the engaging plate, and one side of the auxiliary rod away from the second limiting block is fixedly connected to the connecting frame.

[0011] Preferably, the buffer lifting assembly includes an electric cylinder, a lifting box, a support plate and a plurality of spring telescopic rods. The bottom of the electric cylinder is fixedly connected to the inner bottom wall of the bottom box, the top of the electric cylinder is fixedly connected to the bottom of the lifting box, the bottoms of the plurality of spring telescopic rods are fixedly connected to the inner bottom wall of the lifting box, and the tops of the plurality of spring telescopic rods are fixedly connected to the bottom surface of the support plate.

[0012] Preferably, a plurality of grooves are formed on both sides of the bottom box, a plurality of trapezoidal blocks are fixedly connected to both sides of the lifting box, and the plurality of trapezoidal blocks are arranged in the grooves formed on both sides of the bottom box.

[0013] Compared with the related art, the fixed base of the four-high reversing mill provided by the present invention has the following

[0014] Beneficial effects:

[0015] The present invention provides a fixed base for a four-high reversing mill. The rolling mill body is assisted to be fixed by two engaging components. A plurality of first engaging strips and a plurality of second engaging strips fixedly connected to the engaging plate are adapted to a plurality of grooves formed at the bottoms of both sides of the rolling mill body. The included angles between the first engaging strips and the second engaging strips and the horizontal line are 60 degrees and 120 degrees. The driving member drives the engaging plate to approach the side wall of the fixed seat until the rolling mill body can be placed into the fixed seat. The driving member stops. After the rolling mill body is placed into the fixed seat, the driving member drives the engaging plate to approach the rolling mill body again until a plurality of first engaging strips and a plurality of second engaging strips completely enter the plurality of grooves formed at the bottoms of both sides of the rolling mill body, so as to assist in fixing the rolling mill body. The design of the 60-degree included angle enables the engaging strips to form a more stable triangular support structure when being inserted into the grooves of the rolling mill body. This structure not only enhances the stability of the rolling mill in the horizontal direction, but also improves its anti-overturning ability in the vertical direction, ensuring that the rolling mill can still maintain stability during high-speed operation or when being impacted. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structural schematic diagram provided by the present invention;

[0017] Figure 2 Top view of the fixing base provided by the present utility model;

[0018] Figure 3 Cross-sectional view of the fixing base provided by the present utility model;

[0019] Figure 4 Schematic structural diagram of the engaging component provided by the present utility model;

[0020] Figure 5 Partial structural diagram provided by the present utility model.

[0021] Reference numerals in the figure: 1, rolling mill body; 2, engaging plate; 3, first engaging strip; 4, second engaging strip; 5, bottom box; 6, connecting frame; 7, first limiting block; 8, driving rod; 9, second limiting block; 10, auxiliary rod; 11, electric cylinder; 12, lifting box; 13, support plate; 14, spring telescopic rod; 15, trapezoidal block; 16, mounting bracket. Specific embodiments

[0022] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] Please refer to Figures 1 - 5 , wherein, Figure 1 Overall structural diagram provided by the present utility model; Figure 2 Top view of the fixing base provided by the present utility model; Figure 3 Cross-sectional view of the fixing base provided by the present utility model; Figure 4 Schematic structural diagram of the engaging component provided by the present utility model; Figure 5 Partial structural diagram provided by the present utility model.

[0024] In the specific implementation process, as Figures 1 - 5As shown in the figure, a fixed base of a four-roll reversible rolling mill includes a fixed seat. The fixed seat assists in fixing the rolling mill body 1 through two engaging components arranged in the chutes opened at both ends. Multiple grooves are opened at the bottoms on both sides of the rolling mill body 1. The fixed seat serves as the foundation of the entire fixed system and provides an installation and sliding track for the engaging components through the chutes opened at both ends, ensuring that the engaging components can accurately dock and fix with the rolling mill body 1. The engaging components include an engaging plate 2. A driving member is arranged on one end of the engaging plate 2 close to one side of the fixed seat, and an auxiliary member is arranged on the other end of the engaging plate 2 close to one side of the fixed seat. A plurality of first engaging strips 3 and a plurality of second engaging strips 4 are fixedly connected to the side wall of the engaging plate 2 far from the fixed seat. The plurality of first engaging strips 3 and the plurality of second engaging strips 4 are arranged in a staggered manner and are adapted to the grooves opened at the bottom of the rolling mill body 1. The angles between the first engaging strips 3 and the second engaging strips 4 and the horizontal line are 60 degrees and 120 degrees. Through the close fit between the multiple engaging strips and the grooves of the rolling mill body 1, stable support is provided for the rolling mill, reducing shaking and displacement during the working process. The fixed seat includes a bottom box 5. A plurality of mounting frames 16 are fixedly connected to the outside of the bottom box 5. A buffer lifting component is arranged inside the bottom box 5. A connecting frame 6 is fixedly connected to the top of the buffer lifting component. Through slots are opened on both sides of the connecting frame 6, and the engaging plate 2 is arranged in both through slots. The driving member includes a first limit block 7. A through hole is opened at the center of the first limit block 7. A driving rod 8 is arranged in the through hole of the first limit block 7. The driving rod 8 is movably connected to the first limit block 7. Threads are opened on the side wall of the driving rod 8. The driving rod 8 is threadedly connected to the engaging plate 2. One end of the driving rod 8 far from the first limit block 7 is movably connected to the connecting frame 6. The auxiliary member includes a second limit block 9. An auxiliary rod 10 is fixedly connected to the center of the side of the second limit block 9 close to the connecting frame 6. The auxiliary rod 10 passes through the engaging plate 2 and the side of the auxiliary rod 10 far from the second limit block 9 is fixedly connected to the connecting frame 6. The buffer lifting component includes an electric cylinder 11, a lifting box 12, a support plate 13, and a plurality of spring telescopic rods 14. The bottom of the electric cylinder 11 is fixedly connected to the inner bottom wall of the bottom box 5. The top of the electric cylinder 11 is fixedly connected to the bottom of the lifting box 12. The electric cylinder 11 serves as a power source and drives the lifting of the lifting box 12 through its telescopic movement, thereby realizing fine adjustment of the height of the rolling mill body 1. The bottoms of the plurality of spring telescopic rods 14 are fixedly connected to the inner bottom wall of the lifting box 12. The tops of the plurality of spring telescopic rods 14 are fixedly connected to the bottom surface of the support plate 13. The arrangement of the spring telescopic rods 14 realizes the elastic positioning of the rolling mill body 1. A plurality of grooves are opened on both sides of the bottom box 5. A plurality of trapezoidal blocks 15 are fixedly connected to both sides of the lifting box 12. The plurality of trapezoidal blocks 15 are arranged in the grooves opened on both sides of the bottom box 5.

[0025] The working principle provided by the present utility model is as follows: The electric cylinder 11 drives the lifting of the lifting box 12 to adapt to the working height of the rolling mill. The trapezoidal block 15 assists in the movement of the lifting box 12 in the sliding grooves on both sides of the bottom box 5. The driving member drives the engaging plate 2 close to the side wall of the bottom box 5 until the rolling mill body 1 can be placed into the bottom box 5. Then the driving member stops. Place the rolling mill body 1 above the support plate 13. Rotate the driving rod 8, and the auxiliary rod 10 limits the movement path of the engaging plate 2. The driving rod 8 drives the engaging plate 2 close to the rolling mill body 1 until multiple first engaging strips 3 and multiple second engaging strips 4 completely enter multiple grooves formed at the bottom of both sides of the rolling mill body 1 to assist in fixing the rolling mill body 1.

[0026] The circuits and controls involved in the present utility model are all prior arts and will not be elaborated here.

[0027] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A fixed base of a four-high reversing rolling mill, characterized in that, Including: A fixed seat, the fixed seat auxiliary fixes the rolling mill body (1) through two engaging components arranged in the sliding grooves opened at both ends, and a plurality of grooves are opened at the bottoms on both sides of the rolling mill body (1); The engaging component includes an engaging plate (2), a driving member is arranged on one side of the engaging plate (2) close to the fixed seat, an auxiliary member is arranged on the other side of the engaging plate (2) close to the fixed seat, and a plurality of first engaging strips (3) and a plurality of second engaging strips (4) are fixedly connected to the side wall of the engaging plate (2) away from the fixed seat. The plurality of first engaging strips (3) and the plurality of second engaging strips (4) are arranged alternately and are adapted to the grooves opened at the bottom of the rolling mill body (1). The included angles between the first engaging strip (3) and the second engaging strip (4) and the horizontal line are 60 degrees and 120 degrees.

2. The fixed base of the four-high reversing rolling mill according to claim 1, characterized in that, The fixed seat includes a bottom box (5), a plurality of mounting frames (16) are fixedly connected to the outside of the bottom box (5), a buffer lifting component is arranged inside the bottom box (5), a connecting frame (6) is fixedly connected to the top of the buffer lifting component, through grooves are opened on both sides of the connecting frame (6), and the engaging plates (2) are arranged in both of the through grooves.

3. The fixed base of the four-high reversing rolling mill according to claim 2, characterized in that, The driving member includes a first limiting block (7), a through hole is opened at the center of the first limiting block (7), a driving rod (8) is arranged in the through hole of the first limiting block (7), the driving rod (8) is movably connected with the first limiting block (7), threads are opened on the side wall of the driving rod (8), the driving rod (8) is threadedly connected with the engaging plate (2), and one end of the driving rod (8) away from the first limiting block (7) is movably connected with the connecting frame (6).

4. The fixed base of the four-high reversing rolling mill according to claim 3, characterized in that, The auxiliary member includes a second limiting block (9), an auxiliary rod (10) is fixedly connected to the center of the side of the second limiting block (9) close to the connecting frame (6), the auxiliary rod (10) passes through the engaging plate (2), and the side of the auxiliary rod (10) away from the second limiting block (9) is fixedly connected with the connecting frame (6).

5. The fixed base of the four-high reversing rolling mill according to claim 4, characterized in that, The buffer lifting component includes an electric cylinder (11), a lifting box (12), a support plate (13) and a plurality of spring telescopic rods (14). The bottom of the electric cylinder (11) is fixedly connected to the inner bottom wall of the bottom box (5), the top of the electric cylinder (11) is fixedly connected to the bottom of the lifting box (12), the bottoms of the plurality of spring telescopic rods (14) are fixedly connected to the inner bottom wall of the lifting box (12), and the tops of the plurality of spring telescopic rods (14) are fixedly connected to the bottom surface of the support plate (13).

6. The fixed base of the four-high reversing rolling mill according to claim 5, characterized in that A plurality of grooves are opened on both sides of the bottom box (5), a plurality of trapezoidal blocks (15) are fixedly connected to both sides of the lifting box (12), and the plurality of trapezoidal blocks (15) are arranged in the grooves opened on both sides of the bottom box (5).

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