Guide plate device for hot rolled strip crimping machine

Abstract

The utility model relates to a guide plate device for a hot rolled strip crimping machine, and belongs to the technical field of hot rolling equipment in the metallurgical industry. According to the technical scheme, a sliding plate (1) is installed on the upper surface of a guide plate (2), one end of a pin shaft (4) is arranged in the sliding plate and penetrates through a pin shaft positioning hole, the other end of the pin shaft is wedged into an iron wedge (3), and the sliding plate is fixedly connected with the guide plate; the sliding plate is arranged above the lower movable guide plate (6) to form a stepped decreasing structure; the sliding plate covers a gap (B) between the guide plate and the lower movable guide plate; a gap (h) is formed between the lower surface of the sliding plate and the upper surface of the lower movable guide plate; and a channel for a steel belt (9) to pass through is arranged among the sliding plate, the lower movable guide plate and the upper movable guide plate (10). According to the utility model, the head of the steel belt can be conveniently guided, the head of the steel belt is prevented from entering a gap between the guide plate and the lower movable guide plate to generate steel belt running resistance, and the occurrence of steel stacking accidents of the steel belt is reduced, so that the production operation rate of a strip steel production line and the yield of strip steel products are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a guide plate device for hot rolling plate strip coiling machine, is applicable to the production process of strip steel coiling in the hot rolling plate strip industry, provides guarantee for the smooth introduction of plate strip into horizontal coiling machine coiling, belongs to the hot rolling equipment technical field of metallurgical industry. BACKGROUND

[0002] When the hot rolling strip steel is converted from horizontal linear motion in rolling into coiled product, it is guided into the coiling machine equipment through the guide plate; during the coiling process, due to the action gap between the guide plates, when the head of the steel strip runs and collides with the upper and lower guide plates, the head will be inserted into the gap between the guide plates, which will cause resistance to the running of the steel strip and lead to a steel piling accident; after the steel piling accident, the product yield of the production line is low; in addition, it takes a long time to handle the piling of the steel strip during rolling, which requires shutdown for handling, resulting in a decrease in the production line operation rate. SUMMARY

[0003] The utility model aims at providing a guide plate device for hot rolling plate strip coiling machine, which adopts a stepped decreasing structure to provide convenient guidance for the head of the steel strip, avoid the head of the steel strip from being inserted into the gap between the guide plates to cause resistance to the running of the steel strip, reduce the occurrence of the steel piling accident, thereby improving the production operation rate of the strip steel production line and the product yield of the strip steel, and solving the problems in the background art.

[0004] The technical scheme of the utility model is as follows:

[0005] A guide plate device for hot rolling plate strip coiling machine, comprising a sliding plate, a guide plate, a wedge, a pin shaft, a lower movable guide plate and an upper movable guide plate, the guide plate and the lower movable guide plate are arranged side by side, and a gap is provided between the guide plate and the lower movable guide plate; the sliding plate is mounted on the upper surface of the guide plate, the guide plate is provided with a pin shaft positioning hole, one end of the pin shaft is arranged in the sliding plate, the pin shaft passes through the pin shaft positioning hole, and the other end of the pin shaft is wedged into the wedge to tightly connect the sliding plate and the guide plate; the sliding plate is arranged above the lower movable guide plate to form a stepped decreasing structure; the gap between the guide plate and the lower movable guide plate is covered by the sliding plate, and a gap is provided between the lower surface of the sliding plate and the upper surface of the lower movable guide plate; a channel for the passage of the steel strip is provided between the sliding plate, the lower movable guide plate and the upper movable guide plate.

[0006] The upper surfaces of the guide plate and the lower movable guide plate are in the same plane, one end of the sliding plate is provided with a notch, and the depth of the notch is the same as the width of the gap.

[0007] A washer is mounted on the pin shaft between the guide plate and the wedge.

[0008] The steel strip moves to the winding core through the channel, three winding assisting rollers are uniformly arranged in the circumferential direction of the winding core, the winding assisting rollers are mounted on rotating rods, and the rotating rods are rotatably connected with rotating shafts; the steel strip is wound by the winding assisting rollers.

[0009] The number of the rotating rods is three, namely rotating rod one, rotating rod two and rotating rod three, one side of the rotating rod one, the rotating rod two and the rotating rod three is respectively installed with a helping roll, and the other side is respectively connected with the cylinder rod of three hydraulic cylinders, and the hydraulic cylinders are installed on the base of the coiling machine.

[0010] The end of the rotating rod one, the rotating rod two and the rotating rod three is respectively connected with one side of the arc-shaped plate one, the arc-shaped plate two and the arc-shaped plate three, and the other side of the arc-shaped plate one, the arc-shaped plate two and the arc-shaped plate three is matched with the winding core; and one end of the arc-shaped plate one, the arc-shaped plate two and the arc-shaped plate three is matched with the corresponding helping roll.

[0011] The rotating rod one, the rotating rod two and the rotating rod three are respectively rotationally connected with three rotating shafts, and the three rotating shafts are fixedly connected with the frame of the coiling machine.

[0012] The other end of the arc-shaped plate one is connected with the lower movable guide plate, and the lower movable guide plate and the rotating rod one are arranged on the same side of the arc-shaped plate one, and the rotating rod one rotates around the connected rotating shaft through the extension and contraction of the corresponding hydraulic cylinder, so that the lower movable guide plate is driven to move below the sliding plate.

[0013] The rotating rod two is hingedly connected with the upper movable guide plate, and the rotating rod two rotates around the connected rotating shaft through the extension and contraction of the corresponding hydraulic cylinder, so that the upper movable guide plate is driven to move.

[0014] During the production of the steel belt, the steel belt passes through the channel between the sliding plate, the lower movable guide plate and the upper movable guide plate in the coiling movement from the horizontal straight line to the winding core; when the head of the steel belt collides with the upper movable guide plate, the force rebounds, effectively prevents the head of the steel belt from penetrating into the gap between the guide plate and the lower movable guide plate, and reduces the occurrence of the steel belt stacking accident.

[0015] The utility model discloses a beneficial effect is: can provide the orientation convenience to the head of steel belt, avoid the head of steel belt to enter the gap between the guide plate and the lower movable guide plate and produce the steel belt operation resistance, reduce the occurrence of the steel belt stacking accident, thereby improve the steel belt production line production operation rate and the steel belt product yield. ACCURATE DRAWING

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the F part enlarged view of Figure 1

[0018] In the drawing: sliding plate 1, guide plate 2, wedge 3, pin shaft 4, washer 5, lower movable guide plate 6, hydraulic cylinder 7, winding core 8, steel belt 9, upper movable guide plate 10, rotating rod one 11, rotating rod two 12, rotating rod three 13, arc-shaped plate one 14, arc-shaped plate two 15, arc-shaped plate three 16, gap 17, channel 18, rotating shaft A, gap B, helping roll O, gap h. Specific implementation​

[0019] The utility model is further explained by examples in connection with the drawings.

[0020] A guide plate device for a hot-rolled plate strip coiling machine, comprising a sliding plate 1, a guide plate 2, a wedge 3, a pin shaft 4, a lower movable guide plate 6 and an upper movable guide plate 10, the guide plate 2 and the lower movable guide plate 6 are arranged side by side, and a gap B is arranged between the guide plate 2 and the lower movable guide plate 6; the sliding plate 1 is mounted on the upper surface of the guide plate 2, the guide plate 2 is provided with a pin shaft positioning hole, one end of the pin shaft 4 is arranged in the sliding plate 1, the pin shaft 4 passes through the pin shaft positioning hole, and the other end of the pin shaft 4 is wedged into the wedge 3, so that the sliding plate 1 and the guide plate 2 are tightly connected; the sliding plate 1 is arranged above the lower movable guide plate 6, forming a stepped decreasing structure; the sliding plate 1 covers the gap B between the guide plate 2 and the lower movable guide plate 6, and a gap h is arranged between the lower surface of the sliding plate 1 and the upper surface of the lower movable guide plate 6; the sliding plate 1, the lower movable guide plate 6 and the upper movable guide plate 10 are provided with a passage 18 for the passage of a steel strip 9.

[0021] The upper surfaces of the guide plate 2 and the lower movable guide plate 6 are in the same plane, one end of the sliding plate 1 is provided with a notch 17, and the depth of the notch 17 is the same as the width of the gap h.

[0022] A washer 5 is mounted on the pin shaft 4 between the guide plate 2 and the wedge 3.

[0023] The steel strip 9 moves to a winding core 8 through the passage 18, three coiling assisting rollers O are uniformly arranged in the circumferential direction of the winding core 8, the coiling assisting rollers O are mounted on rotating rods, and the rotating rods are rotationally connected with rotating shafts A; the steel strip 9 is coiled through the coiling assisting rollers O.

[0024] The number of the rotating rods is three, which are a rotating rod one 11, a rotating rod two 12 and a rotating rod three 13, one side of each of the rotating rod one 11, the rotating rod two 12 and the rotating rod three 13 is provided with a coiling assisting roller O, the other side of each of the rotating rod one 11, the rotating rod two 12 and the rotating rod three 13 is connected with a cylinder rod of a hydraulic cylinder 7, and the hydraulic cylinder 7 is mounted on a base of the coiling machine.

[0025] One end of each of the rotating rod one 11, the rotating rod two 12 and the rotating rod three 13 is connected with one side of an arc-shaped plate one 14, an arc-shaped plate two 15 and an arc-shaped plate three 16, respectively, and the other side of each of the arc-shaped plate one 14, the arc-shaped plate two 15 and the arc-shaped plate three 16 is matched with the winding core 8; one end of each of the arc-shaped plate one 14, the arc-shaped plate two 15 and the arc-shaped plate three 16 is matched with a corresponding coiling assisting roller O.

[0026] Each of the rotating rod one 11, the rotating rod two 12 and the rotating rod three 13 is rotationally connected with a rotating shaft A, and each of the three rotating shafts A is fixedly connected with a frame of the coiling machine.

[0027] The other end of the arc-shaped plate 14 is connected with the lower movable guide plate 6, the lower movable guide plate 6 and the rotating rod 11 are arranged on the same side of the arc-shaped plate 14, and the rotating rod 11 rotates around the connected rotating shaft A through the extension and contraction of the corresponding hydraulic cylinder 7, so as to drive the lower movable guide plate 6 to move below the sliding plate 1.

[0028] The rotating rod 12 is hinged with the upper movable guide plate 10, and the rotating rod 12 rotates around the connected rotating shaft A through the extension and contraction of the corresponding hydraulic cylinder 7, so as to drive the upper movable guide plate 10 to move.

[0029] In the embodiment, the accompanying drawings are referred to Figure 1 、 2 A guide plate device for a hot rolling plate strip coiling machine, comprising a sliding plate 1, a guide plate 2, a wedge 3, a pin shaft 4, a washer 5, a lower movable guide plate 6 and an upper movable guide plate 10, the number of the wedge 3, the pin shaft 4 and the washer 5 is two; the sliding plate 1, the wedge 3, the pin shaft 4 and the washer 5 are processed and manufactured, two pin shaft positioning holes are drilled on the guide plate 2; the sliding plate 1 is installed on the guide plate 2 and positioned by penetrating the pin shaft 4; the washer 5 is installed on the pin shaft 4 and fastened with the sliding plate 1 by wedging the wedge 3 into the pin shaft 4.

[0030] Figure 1 In the embodiment, in the coiling movement of the steel strip 9 from the horizontal straight line to the winding core 8 in the steel strip production process, the steel strip 9 passes through the passage 18 between the sliding plate 1, the lower movable guide plate 6 and the upper movable guide plate 10.

[0031] When the steel strip 9 moves to the winding core 8 through the passage 18, the three coiling rollers O coiling the steel strip 9 under the action of the three hydraulic cylinders 7, at this time, the cylinder rods of the three hydraulic cylinders are in the state of extension (the cylinder rods are in the state of extension) Figure 1 In the embodiment, only the hydraulic cylinder connected with the rotating rod 11 is shown, and the other two hydraulic cylinders are not shown); after the steel strip is coiled to the coiling tension, the three coiling rollers O will be rotated to be opened along the three rotating shafts A under the action of the three hydraulic cylinders 7; before coiling, the three coiling rollers O are closed to assist coiling, and after being closed, the diameter of the coiling rollers O is reduced due to abrasion; in order to prevent the lower movable guide plate 6 from hitting the sliding plate 1 after the diameter of the coiling rollers O is reduced, a gap h is arranged between the lower movable guide plate 6 and the sliding plate 1.

[0032] There is a gap B between the guide plate 2 and the lower movable guide plate 6, when the head of the steel strip collides with the upper movable guide plate 10, the force rebounds, and the head of the steel strip is easy to be stuck in the gap B, which causes the steel piling accident. The sliding plate 1 is arranged to block the gap B, which can effectively prevent the head of the steel strip from being stuck in the gap B between the guide plate 2 and the lower movable guide plate 6 to generate resistance and reduce the steel piling accident; the sliding plate 1 and the lower movable guide plate 6 form a ladder decreasing structure, which can provide a convenient condition for guiding and guiding the movement of the head of the steel strip, solve the problem of the head of the steel strip being stuck in the gap between the guide plates, and provide protection for the passing of the steel strip 9.

Claims

1. A guide plate arrangement for a hot strip coiler, characterized in that: The utility model relates to a steel strip winding device, which comprises a sliding plate (1), a guide plate (2), a wedge (3), a pin shaft (4), a lower movable guide plate (6) and an upper movable guide plate (10), the guide plate (2) and the lower movable guide plate (6) are arranged side by side, a gap (B) is arranged between the guide plate (2) and the lower movable guide plate (6), the sliding plate (1) is arranged on the upper surface of the guide plate (2), the pin shaft (4) is arranged in the sliding plate (1), the pin shaft (4) passes through the pin shaft positioning hole, and the other end of the pin shaft (4) is wedged into the wedge (3), so that the sliding plate (1) and the guide plate (2) are tightly connected, the sliding plate (1) is arranged above the lower movable guide plate (6) and forms a stepped decreasing structure, the sliding plate (1) covers the gap (B) between the guide plate (2) and the lower movable guide plate (6), and a gap (h) is arranged between the lower surface of the sliding plate (1) and the upper surface of the lower movable guide plate (6), and a channel (18) is arranged between the sliding plate (1), the lower movable guide plate (6) and the upper movable guide plate (10) for the steel strip (9) to pass through.

2. A guide plate arrangement for a hot strip coiler according to claim 1, characterized in that: The upper surfaces of the guide plate (2) and the lower movable guide plate (6) are in the same plane, one end of the sliding plate (1) is provided with a notch (17), and the depth of the notch (17) is the same as the width of the gap (h).

3. A guide plate arrangement for a hot strip coiler according to claim 1 or 2, characterized in that: A washer (5) is arranged on the pin shaft (4) between the guide plate (2) and the wedge (3).

4. A guide plate arrangement for a hot strip coiler according to claim 1 or 2, characterized in that: The steel strip (9) moves to the winding core (8) through the channel (18), three winding assisting rollers (O) are uniformly arranged in the circumferential direction of the winding core (8), the winding assisting rollers (O) are arranged on rotating rods, and the rotating rods are rotationally connected with rotating shafts (A).

5. A guide plate arrangement for a hot strip coiler according to claim 4, characterized in that: The number of the rotating rods is three, and the rotating rods are a rotating rod one (11), a rotating rod two (12) and a rotating rod three (13), one side of the rotating rod one (11), the rotating rod two (12) and the rotating rod three (13) is respectively provided with a winding assisting roller (O), the other side of the rotating rod one (11), the rotating rod two (12) and the rotating rod three (13) is respectively connected with the cylinder rod of three hydraulic cylinders (7), and the hydraulic cylinders (7) are arranged on the base of the winding machine.

6. A guide plate arrangement for a hot strip coiler according to claim 5, characterized in that: One end of the rotating rod one (11), the rotating rod two (12) and the rotating rod three (13) is respectively connected with one side of an arc-shaped plate one (14), an arc-shaped plate two (15) and an arc-shaped plate three (16), the other side of the arc-shaped plate one (14), the arc-shaped plate two (15) and the arc-shaped plate three (16) is matched with the winding core (8), and the one end of the arc-shaped plate one (14), the arc-shaped plate two (15) and the arc-shaped plate three (16) is matched with the corresponding winding assisting roller (O).

7. A guide plate arrangement for a hot strip coiler according to claim 6, characterized in that: The rotating rod one (11), the rotating rod two (12) and the rotating rod three (13) are respectively rotationally connected with the three rotating shafts (A), and the three rotating shafts (A) are fixedly connected with the winding machine frame.

8. A guide plate arrangement for a hot strip coiler according to claim 7, characterized in that: The other end of the arc-shaped plate one (14) is connected with the lower movable guide plate (6), and the lower movable guide plate (6) and the rotating rod one (11) are arranged on the same side of the arc-shaped plate one (14).

9. A guide plate arrangement for a hot strip coiler according to claim 8, characterized in that: The rotating rod two (12) is hingedly connected with the upper movable guide plate (10).

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