Novel adjustable guide groove device between bar and wire rolling mills

Abstract

The utility model discloses a novel adjustable guide groove device between bar and wire rolling mills, and belongs to the field of metallurgical steel rolling. The device comprises a base, a fixed guide groove, movable guide groove plates, a rotating pin shaft, a gap adjusting mechanism, a fixed plate and an upper guide plate, the fixed guide groove is fixedly installed on one side of the top of the base, the two movable guide groove plates are arranged on the other side of the top of the base in a front-back mirror symmetry mode, and one ends of the movable guide groove plates are hinged to the base through the rotating pin shaft. One end of the movable guide groove plate is connected with the fixed guide groove, the other end of the movable guide groove plate is connected with the base through a gap adjusting mechanism, and the upper guide plate is fixedly installed on the top of the fixed guide groove through a fixing plate and located above the movable guide groove plate. When the specification of the rolling mill is replaced, the guide groove does not need to be replaced, and only the opening degree of the contraction channel between the two movable guide groove plates needs to be adjusted, so that adaptive adjustment can be realized, and the replacement time is saved.

Description

Technical Field

[0001] The utility model relates to a novel adjustable guide groove device between bar wire rolling mills, belonging to the field of metallurgical steel rolling. Background Art

[0002] Bar continuous rolling is a process for continuous production of bars. Through the continuous operation of multiple rolling mills, the original smelted metal billets are subjected to multiple rolling processes to form bar products with the required shape and size. The bar continuous rolling production line is usually characterized by high efficiency, high output and high precision. It is widely used in the metal processing industry, especially for large bar continuous rolling production lines. However, due to the limitation of production costs, the number of rolling mills in the existing large bar continuous rolling production line is relatively small, and the spacing between each rolling mill can reach 4m. The spacing between rolling mills refers to the distance between adjacent rolling mills in the continuous rolling production line. The size of the rolling mill spacing can affect the operation of the production line and the quality of the products. A large spacing between rolling mills will slow down the rolling speed of the production line, reduce the overall production capacity, and increase the deformation and instability of the material during the transfer process, causing the discharge head to warp and the risk of steel piling. Therefore, it is necessary to use a guide groove device between the rolling mills. At the same time, due to the large number of rolling specifications, each time the specifications are changed, the material shape size of the same rolling mill is not fixed, resulting in the need to replace the corresponding guide groove when the specifications are changed, which affects the replacement time.

[0003] Therefore, it is urgent to propose a new type of adjustable guide groove device between bar wire rolling mills to solve the above technical problems. Utility Model Content

[0004] The purpose of the research and development of the utility model is to solve the problem that the guide groove between the rolling mills of the bar continuous rolling production line cannot adapt to the changes in specifications and dimensions, and the incoming material head does not have the function of limiting the direction of steel movement. A brief overview of the utility model is given below to provide a basic understanding of certain aspects of the utility model. It should be understood that this overview is not an exhaustive overview of the utility model. It is not intended to determine the key or important parts of the utility model, nor is it intended to limit the scope of the utility model.

[0005] The technical solution of this utility model:

[0006] A novel adjustable guide groove device for a bar wire rolling mill comprises a base, a fixed guide groove, a movable guide groove plate, a rotating pin shaft, a gap adjustment mechanism, a fixed plate and an upper guide plate. A fixed guide groove is fixedly installed on one side of the top of the base, and two movable guide groove plates are symmetrically arranged on the other side of the top of the base in front and back directions. One end of the movable guide groove plate is hinged to the base through a rotating pin shaft, and the other end is connected to the base through a gap adjustment mechanism. The upper guide plate is fixedly installed on the top of the fixed guide groove through a fixed plate, and the upper guide plate is located above the movable guide groove plate.

[0007] Preferably: the gap adjustment mechanism includes a vertical plate, a lead screw, a positioning nut and a locking nut, and the vertical plates are fixedly installed on the front and rear sides of the top of the base, one end of the lead screw is connected to the movable guide groove plate, and the other end passes through the vertical plate and cooperates with the positioning nut and the locking nut threads on both sides of the vertical plate, so that the positioning nut and the locking nut clamp the vertical plate together.

[0008] Preferably: one end of the lead screw is hinged to the side wall of the movable guide groove plate through a connecting pin.

[0009] Preferably: a waist hole is provided on the movable guide groove plate, a step pin is fixedly installed on the base, and the top of the step pin is slidably installed in the waist hole.

[0010] Preferably: the movable guide groove plate includes a guide groove plate, a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are respectively installed on the side walls of the guide groove plate, and the first connecting plate and the second connecting plate are both parallel to the top surface of the base, the first connecting plate is hinged to the base through a rotating pin shaft, and a waist hole is opened on the second connecting plate.

[0011] Preferably, a contraction channel is formed between the two movable guide groove plates.

[0012] Preferably, the entrances of the fixed guide groove and the contraction-shaped channel are both bell-mouths.

[0013] The utility model has the following beneficial effects:

[0014] 1. When changing the specifications of the rolling mill, the utility model does not need to replace the guide groove, but only needs to adjust the opening degree of the contraction channel between the two movable guide groove plates to achieve adaptive adjustment, saving replacement time and improving production efficiency;

[0015] 2. The upper guide plate added in the utility model cooperates with the movable guide groove plate with adjustable opening to jointly limit the direction of steel movement and control the steel accumulation caused by the warping of the material. Compared with the original guide groove, it has the characteristics of firm structure, stronger guidance to adapt to material shape changes, improved work efficiency and reduced risk of steel accumulation;

[0016] 3. The utility model utilizes the original base foundation, reduces modifications, has a simple structure, ingenious design, convenient assembly and disassembly, and low cost, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of a new type of adjustable guide groove device between the bar line rolling mills;

[0018] Figure 2 It is a side view of a new type of adjustable guide groove device between the bar line rolling mills;

[0019] Figure 3 yes Figure 1AA section view;

[0020] Figure 4 This is the matching installation diagram of the waist hole and the step pin;

[0021] Figure 5 yes Figure 3 BB cross-section diagram;

[0022] In the figure, 1-base, 2-fixed guide groove, 3-movable guide groove plate, 4-rotating pin, 5-gap adjustment mechanism, 6-fixed plate, 7-upper guide plate, 8-waist hole, 9-step pin, 31-guide groove plate, 32-first connecting plate, 33-second connecting plate, 51-vertical plate, 52-screw, 53-positioning nut, 54-locking nut, 55-connecting pin. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is described below by specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] The connection mentioned in the present invention is divided into fixed connection and detachable connection. The fixed connection is a non-detachable connection, including but not limited to conventional fixed connection methods such as folding connection, rivet connection, bonding connection and welding connection. The detachable connection includes but is not limited to conventional detachable methods such as threaded connection, snap connection, pin connection and hinge connection. When the specific connection method is not clearly defined, it is assumed that at least one connection method can always be found in the existing connection methods to achieve the function. Those skilled in the art can choose according to their needs. For example: choose welding connection for fixed connection and hinge connection for detachable connection.

[0025] Specific implementation method 1: Combination Figure 1-Figure 5The present embodiment is described. A novel adjustable guide groove device for a bar wire rolling mill in the present embodiment comprises a base 1, a fixed guide groove 2, a movable guide groove plate 3, a rotating pin 4, a gap adjustment mechanism 5, a fixed plate 6 and an upper guide plate 7. A fixed guide groove 2 is fixedly installed on one side of the top of the base 1, and two movable guide groove plates 3 are arranged on the other side of the top of the base 1 in a front-to-back mirror-symmetrical manner, and a contraction-shaped channel is formed between the two movable guide groove plates 3. One end of the movable guide groove plate 3 is hinged to the base 1 through the rotating pin 4 to form a hinge so that the movable guide groove plate 3 swings around the rotating pin 4, and the other end is connected to the base 1 through the gap adjustment mechanism 5. The upper guide plate 7 is fixedly installed on the top of the fixed guide groove 2 through the fixed plate 6. At the same time, the upper guide plate 7 is located above the movable guide groove plate 3, 35 mm higher than the movable guide groove plate, to achieve the guiding function of the top steel. The movable guide plate part is hinged to the fixed guide groove by a pin, and the opening degree is adjusted by the gap adjustment mechanism 5 to adapt to the specification changes.

[0026] The upper guide plate 7 is a door-shaped frame, and the top plate has a slope, which is inclined downward along the forward direction of the materials.

[0027] The gap adjustment mechanism 5 includes a vertical plate 51, a lead screw 52, ​​a positioning nut 53 and a locking nut 54. The vertical plates 51 are fixedly installed on both the front and rear sides of the top of the base 1. One end of the lead screw 52 is connected to the movable guide groove plate 3, that is, one end of the lead screw 52 is hinged to the hinge seat fixed to the side wall of the movable guide groove plate 3 through the connecting pin 55. The other end of the lead screw 52 passes through the vertical plate 51, and is threadedly matched with the positioning nut 53 and the locking nut 54 on both sides of the vertical plate 51, so that the positioning nut 53 and the locking nut 54 clamp the vertical plate 51 together. The opening degree is adjusted by adjusting the front and rear distance of the lead screw 52. The opening degree adjustment range can be reduced by 60mm, so as to adapt to different specifications.

[0028] The movable guide groove plate 3 is provided with a waist hole 8, and a step pin 9 is fixedly installed on the base 1, and the top of the step pin 9 is slidably installed in the waist hole 8, that is, the movable guide groove plate 3 includes a guide groove plate 31, a first connecting plate 32 and a second connecting plate 33, the first connecting plate 32 and the second connecting plate 33 are respectively installed on the side walls of the guide groove plate 31, and the first connecting plate 32 and the second connecting plate 33 are parallel to the top surface of the base 1, the first connecting plate 32 is hinged to the base 1 by a rotating pin shaft 4, and the waist hole 8 is opened on the second connecting plate 33, which can limit the swing range of the movable guide groove plate 3.

[0029] The inlets of the fixed guide groove 2 and the contraction-shaped passage are both bell-mouthed, and the bell-mouthed range can be 25-60 degrees. The inlet of the contraction-shaped passage is sleeved on the outside of the outlet of the fixed guide groove 2.

[0030] When adjustment is needed, manually screw the positioning nuts 53 and locking nuts 54 on both sides to adjust their positions on the lead screw 52, ​​while ensuring that the positioning nuts 53 and locking nuts 54 clamp the vertical plate 51. At the same time, the lead screw 52 drives the movable guide groove plate 3 to move, so that the movable guide groove plate 3 swings with the rotating pin shaft 4 as the rotation center, and the step pin 9 slides in the waist hole 8, thereby realizing the adjustment of the opening degree of the contraction channel between the two movable guide groove plates.

[0031] It should be noted that in the above embodiments, as long as the technical solutions are not contradictory, they can be arranged and combined, and those skilled in the art can exhaust all possibilities based on the mathematical knowledge of arrangement and combination. Therefore, the utility model will no longer describe the technical solutions after arrangement and combination one by one, but it should be understood that the technical solutions after arrangement and combination have been disclosed by the utility model.

[0032] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A novel adjustable guide groove device between bar rolling mills, characterized in that: The invention comprises a base (1), a fixed guide groove (2), a movable guide groove plate (3), a rotating pin shaft (4), a gap adjustment mechanism (5), a fixed plate (6) and an upper guide plate (7); a fixed guide groove (2) is fixedly installed on one side of the top of the base (1); two movable guide groove plates (3) are arranged on the other side of the top of the base (1) in a front-to-back mirror-symmetrical manner; one end of the movable guide groove plate (3) is hinged to the base (1) through the rotating pin shaft (4); and the other end is connected to the base (1) through the gap adjustment mechanism (5); the upper guide plate (7) is fixedly installed on the top of the fixed guide groove (2) through the fixed plate (6); and the upper guide plate (7) is located above the movable guide groove plate (3).

2. A novel adjustable guide groove device between bar wire rolling mills according to claim 1, characterized in that: The gap adjustment mechanism (5) comprises a vertical plate (51), a lead screw (52), a positioning nut (53) and a locking nut (54); the vertical plates (51) are fixedly mounted on both the front and rear sides of the top of the base (1); one end of the lead screw (52) is connected to the movable guide groove plate (3), and the other end passes through the vertical plate (51) and is threadedly matched with the positioning nut (53) and the locking nut (54) on both sides of the vertical plate (51), so that the positioning nut (53) and the locking nut (54) clamp the vertical plate (51) together.

3. A novel adjustable guide groove device between bar wire rolling mills according to claim 2, characterized in that: One end of the lead screw (52) is hinged to the side wall of the movable guide groove plate (3) via a connecting pin shaft (55).

4. A novel adjustable guide groove device between bar wire rolling mills according to claim 3, characterized in that: The movable guide groove plate (3) is provided with a waist hole (8), and a step pin (9) is fixedly installed on the base (1), and the top of the step pin (9) is slidably installed in the waist hole (8).

5. A novel adjustable guide groove device between bar wire rolling mills according to claim 4, characterized in that: The movable guide groove plate (3) comprises a guide groove plate (31), a first connecting plate (32) and a second connecting plate (33); the first connecting plate (32) and the second connecting plate (33) are respectively mounted on the side walls of the guide groove plate (31); the first connecting plate (32) and the second connecting plate (33) are both parallel to the top surface of the base (1); the first connecting plate (32) is hinged to the base (1) via a rotating pin shaft (4); and a waist hole (8) is provided on the second connecting plate (33).

6. A novel adjustable guide groove device between bar wire rolling mills according to claim 5, characterized in that: A contraction channel is formed between the two movable guide groove plates (3).

7. A novel adjustable guide groove device between bar wire rolling mills according to claim 6, characterized in that: The entrances of the fixed guide groove (2) and the contraction-shaped channel are both bell-shaped.

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