CN220879930U - Four-roller adjusting device of rolling mill - Google Patents

Abstract

The utility model discloses a four-roller adjusting device of a rolling mill, which relates to the technical field of rolling mill equipment and comprises a four-roller rolling mill, wherein the surface of the four-roller rolling mill is fixedly connected with a centering box, the upper surface of the centering box is provided with a sliding groove, the inside of the sliding groove is slidingly connected with two sliding blocks, the inner threads of the two sliding blocks are sheathed with threaded rods, the left end and the right end of each threaded rod are provided with threads with opposite directions, the surface of each sliding block is provided with a through groove, the top wall of each through groove is provided with a groove, the inside of each groove is provided with a pressing device, the four-roller adjusting device of the rolling mill drives rollers to slide and squeeze on the surfaces of strips through a rotating shaft, further the strips with different width sizes are fixed, the rollers can be driven to rotate on the surfaces of the rotating shaft through friction action of the rollers in the moving process of the strips, and the strips are fixed through the rollers, so that the situation of deviation in the moving process of the strips is prevented.

Description

Four-roller adjusting device of rolling mill

Technical Field

The utility model relates to the technical field of rolling mill equipment, in particular to a four-roller adjusting device of a rolling mill.

Background

The rolling mill is equipment for realizing the metal rolling process, and generally refers to equipment for completing the whole process of rolled material production, the common rolling mill mainly comprises a roller, a frame, a roller spacing adjusting device, a roller temperature adjusting device, a transmission device, a lubricating system, a control system, a roller detaching device and the like, the precise rolling mill is provided with a device for guaranteeing rolling precision except main parts and devices of the common rolling mill, rectangular steel materials such as rectangular steel or rectangular steel wires and the like are widely applied in various engineering construction, the current rectangular steel materials are rolled and formed by the rolling mill during manufacturing, the four-roller rolling mill is the most common application, four rollers are used for enclosing a rectangular structure with a middle hole, and the section of the metal material is rolled into a rectangular shape after passing through a rectangular hole formed by four rollers in the four-roller adjusting device of the rolling mill.

The strip is the metal material of the shape of rectangle in cross-section, need use four-roller mill to roll in the strip course of working and produce, and current some four-roller mill does not generally possess strip centering structure, because can't carry out the position control to the strip, the condition of off tracking appears easily to the in-process that the strip removed, generally needs manual regulation, and manual regulation strip is not only dangerous relatively, but also reduces four-roller mill's work efficiency easily.

Disclosure of utility model

The utility model aims to at least solve one of the technical problems in the prior art, and provides a four-roller adjusting device of a rolling mill, which can solve the problems that the deviation is easy to occur in the moving process of a strip, manual adjustment is usually needed, the strip is dangerous to adjust manually, and the working efficiency of the four-roller rolling mill is easy to reduce.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a four roller adjusting device of rolling mill, includes four roller mill, four roller mill's fixed surface is connected with the centering case, has seted up the spout to the upper surface of centering case, and the inside sliding connection of spout has two sliders, and the threaded rod has been cup jointed to the internal thread of two sliders, and opposite screw thread has been seted up at the left and right sides of threaded rod, and logical groove has been seted up on the surface of slider, and the roof of leading to the groove is seted up flutedly, and the inside of recess is provided with closing device.

Preferably, the left end rotation of threaded rod is connected at the inside left surface of spout, and the right-hand member rotation of threaded rod runs through the inside of centering case and extends to outside, and the right-hand member fixedly connected with carousel of threaded rod.

Preferably, the inside fixedly connected with of logical groove has two axis of rotation, and the surface of two axis of rotation has all rotated the gyro wheel of cup jointing.

Preferably, the compressing device comprises a pressing plate, the pressing plate is slidably connected in the groove, a clamping groove is formed in the bottom of the pressing plate, rolling balls are slidably connected in the clamping groove and distributed in the clamping groove at equal intervals, a sliding rod is sleeved in the sliding block in a sliding mode, and the lower end of the sliding rod is fixedly connected to the top of the pressing plate.

Preferably, the surface fixing of slide bar has cup jointed the spacing ring, and the bottom of spacing ring contacts with the top of slider, and the upper end fixedly connected with pull ring of slide bar.

Preferably, the surface sliding sleeve of slide bar has cup jointed the spring, and the lower extreme fixed connection of spring is at the top of clamp plate, and the upper end fixed connection of spring is provided with the same structure on two sliders at the roof of recess.

Compared with the prior art, the utility model has the beneficial effects that:

(1) This four roller adjusting device of rolling mill, slider slip drive gyro wheel slip extrusion at the surface of area material through the axis of rotation, and then fix the area material of different width sizes, the area material can drive the gyro wheel at the surface rotation of axis of rotation through the frictional action with the gyro wheel to the in-process that the rear side removed, fix the area material through the gyro wheel, prevent the in-process that the area material removed from appearing the off tracking condition, no longer need artifical manual adjustment, not only can reduce artificial intensity of labour, but also can promote four roller mill's work efficiency.

(2) After the strip enters the inside of the through groove, the pull ring is loosened, the spring pushes the pressing plate to slide downwards, the pressing plate moves downwards to drive the rolling ball to move downwards to squeeze the upper surface of the strip, stability of the strip moving process is guaranteed, the strip slides to drive the rolling ball to roll in the inside of the clamping groove through friction with the rolling ball, the rolling ball is used for fixing strips with different thickness sizes, and the application range of the rolling mill four-roller adjusting device is enlarged.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic view showing the overall structure of a four-roll adjustment device of a rolling mill according to the present utility model;

FIG. 2 is a schematic view of the structure of the middle box of the present utility model;

FIG. 3 is a schematic view of the internal structure of the groove of the present utility model;

fig. 4 is a schematic diagram of the internal structure of the card slot of the present utility model.

Reference numerals: 1. a four-high mill; 2. centering box; 3. a chute; 4. a slide block; 5. a threaded rod; 6. a turntable; 7. a through groove; 8. a rotating shaft; 9. a roller; 10. a groove; 11. a pressing plate; 12. a clamping groove; 13. a rolling ball; 14. a slide bar; 15. a limiting ring; 16. a pull ring; 17. and (3) a spring.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a four-roller adjusting device of rolling mill, including four-roller rolling mill 1, four-roller rolling mill 1's fixed surface is connected with centering case 2, spout 3 has been seted up to centering case 2's upper surface, the inside sliding connection of spout 3 has two sliders 4, threaded rod 5 has been cup jointed to the internal thread of two sliders 4, opposite screw thread has been seted up at the left and right sides of threaded rod 5, threaded rod 5's left end rotation is connected at the inside left surface of spout 3, threaded rod 5's right-hand member rotates and runs through centering case 2's inside and extends to outside, threaded rod 5's right-hand member fixedly connected with carousel 6, logical groove 7 has been seted up on the surface of slider 4, logical groove 7's inside fixedly connected with two axis of rotation 8, the equal rotation of surface of two axis of rotation 8 has cup jointed gyro wheel 9.

After the rolling shaft in the four-high mill 1 rotates and rolls the strip into a rectangle, the rolled strip moves to the rear side and enters the inside of the two through grooves 7, a worker rotates the rotary table 6, the rotary table 6 rotates to drive the threaded rod 5 to rotate, the threaded rod 5 rotates to drive the two sliding blocks 4 to slide relatively, the sliding blocks 4 slide to drive the rollers 9 to slide and squeeze the surfaces of the strip through the rotating shafts 8, the strips with different width sizes are further fixed, the rollers 9 can be driven to rotate on the surfaces of the rotating shafts 8 through friction with the rollers 9 in the process of moving the strips to fix the strips through the rollers 9, the situation of deviation in the moving process of the strips is prevented, manual adjustment is not needed, the labor intensity is reduced, and the working efficiency of the four-high mill 1 is improved.

The roof of logical groove 7 has seted up recess 10, the inside sliding connection of recess 10 has clamp plate 11, draw-in groove 12 has been seted up to the bottom of clamp plate 11, the inside sliding connection of draw-in groove 12 has spin 13, spin 13 is equidistant to be distributed in the inside of draw-in groove 12, slide bar 14 is cup jointed in the inside slip of slider 4, the fixed surface of slide bar 14 has cup jointed spacing ring 15, the bottom of spacing ring 15 and the top contact of slider 4, the upper end fixedly connected with pull ring 16 of slide bar 14, the lower extreme fixed connection of slide bar 14 is at the top of clamp plate 11, the surface sliding of slide bar 14 has cup jointed spring 17, the lower extreme fixed connection of spring 17 is at the top of clamp plate 11, the upper end fixed connection of spring 17 is at the roof of recess 10, be provided with the same structure on two sliders 4.

The staff pulls pull ring 16 to the upside, pull ring 16 moves to the upside and drives slide bar 14 to the upside and remove, slide bar 14 moves to the upside and drives clamp plate 11 to move extrusion spring 17, spring 17 gives clamp plate 11 a elasticity effect of downside, after the area material gets into the inside of logical groove 7, loose pull ring 16, spring 17 promotes clamp plate 11 downside and slides, clamp plate 11 moves to the downside and drives spin 13 and move the upper surface of extrusion at the area material, guarantee the stability of area material removal process, the area material slides and drives spin 13 through the friction effect with spin 13 and roll in the inside of draw-in groove 12, fix the area material of different thickness sizes through spin 13, increase this four-roll adjusting device of rolling mill's application scope.

Working principle: the four-roller adjusting device of the rolling mill rotates through a rolling shaft in the four-roller rolling mill 1 and rolls the strip into a rectangle, after the rolled strip moves to the rear side and enters the two through grooves 7, a worker rotates the rotary table 6, the rotary table 6 rotates to drive the threaded rod 5 to rotate, the threaded rod 5 rotates to drive the two sliding blocks 4 to slide relatively, the sliding blocks 4 slide to drive the rolling wheels 9 to slide and squeeze on the surface of the strip through the rotating shaft 8, further the strip with different width sizes is fixed, the rolling wheels 9 can be driven to rotate on the surface of the rotating shaft 8 through the friction effect of the rolling wheels 9 in the process of moving the strip to fix the strip through the rolling wheels 9, and the condition of deviation in the moving process of the strip is prevented, the staff pulls pull ring 16 to the upside, pull ring 16 moves to the upside and drives slide bar 14 to the upside and remove, slide bar 14 moves to the upside and drives clamp plate 11 to move extrusion spring 17, spring 17 gives clamp plate 11 a elasticity effect of downside, after the area material gets into the inside of logical groove 7, loose pull ring 16, spring 17 promotes clamp plate 11 downside and slides, clamp plate 11 moves to the downside and drives spin 13 and move the upper surface of extrusion at the area material, guarantee the stability of area material removal process, the area material slides and drives spin 13 through the friction effect with spin 13 and roll in the inside of draw-in groove 12, fix the area material of different thickness sizes through spin 13, increase this four-roll adjusting device of rolling mill's application scope.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. The utility model provides a four roller adjusting device of rolling mill, includes four roller mill (1), its characterized in that: the four high mill is characterized in that a centering box (2) is fixedly connected to the surface of the four high mill (1), a sliding groove (3) is formed in the upper surface of the centering box (2), two sliding blocks (4) are connected to the inner portion of the sliding groove (3) in a sliding mode, a threaded rod (5) is sleeved with inner threads of the two sliding blocks (4), threads with opposite directions are formed in the left end and the right end of the threaded rod (5), a through groove (7) is formed in the surface of the sliding block (4), a groove (10) is formed in the top wall of the through groove (7), and a pressing device is arranged in the groove (10).

2. The four-roll adjustment apparatus for rolling mill according to claim 1, wherein: the left end of the threaded rod (5) is rotationally connected to the left surface inside the sliding groove (3), the right end of the threaded rod (5) is rotationally penetrated through the inside of the centering box (2) and extends to the outside, and the right end of the threaded rod (5) is fixedly connected with a rotary table (6).

3. The four-roll adjustment apparatus for rolling mill according to claim 2, wherein: two rotating shafts (8) are fixedly connected in the through groove (7), and rollers (9) are rotatably sleeved on the surfaces of the two rotating shafts (8).

4. A four-roll adjustment device for rolling mill according to claim 3, characterized in that: the compressing device comprises a compressing plate (11), wherein the compressing plate (11) is slidably connected in a groove (10), a clamping groove (12) is formed in the bottom of the compressing plate (11), rolling balls (13) are slidably connected in the clamping groove (12), the rolling balls (13) are distributed in the clamping groove (12) at equal intervals, a sliding rod (14) is slidably sleeved in the sliding block (4), and the lower end of the sliding rod (14) is fixedly connected to the top of the compressing plate (11).

5. The four-roll adjustment apparatus for rolling mill according to claim 4, wherein: the surface fixing of slide bar (14) cup joints spacing ring (15), and the bottom of spacing ring (15) is contacted with the top of slider (4), and the upper end fixedly connected with pull ring (16) of slide bar (14).

6. The four-roll adjustment apparatus for rolling mill according to claim 5, wherein: the surface sliding sleeve of the sliding rod (14) is connected with a spring (17) in a sliding mode, the lower end of the spring (17) is fixedly connected to the top of the pressing plate (11), the upper end of the spring (17) is fixedly connected to the top wall of the groove (10), and the two sliding blocks (4) are provided with the same structure.