Inlet guide and guard device for coiled steel strip

Abstract

The inlet guide and guard device comprises first mounting frames, vertical rollers are rotationally connected to the interiors of the sides, facing each other, of the first mounting frames on the two sides, an extension box is fixedly connected to the upper portions of the first mounting frames, and first moving plates are slidably connected to the interiors of the two sides of the extension box; first pushing rods are fixedly connected to the opposite sides of the first moving plates on the two sides, the first pushing rods penetrate through the extending boxes to be fixedly connected with lifting boxes, second moving plates are slidably connected to the interiors of the lifting boxes, and second pushing rods are fixedly connected to the lower portions of the second moving plates; the lower portion of the second pushing rod penetrates through the inner side of the lifting box to be provided with a buffering groove, a damping rod is fixedly connected into the buffering groove, the lower portion of the damping rod penetrates through the buffering groove to be fixedly connected with a second mounting frame, and a transverse roller is rotationally connected into the lower side of the second mounting frame. And the coil steel belt is damaged due to the fact that the coil steel belt touches the guide and guard device.

Description

Technical Field

[0001] The utility model relates to the field of guide equipment, in particular to an inlet guide device for a coiled steel strip. Background Art

[0002] A guide is a device installed before and after the roll hole during the steel rolling process to help the rolled piece enter and exit the roll hole accurately and stably in a predetermined direction and state.

[0003] When the steel coil passes through the guide device, it is easy for the steel coil to jump up and down on the transport roller because the steel coil is relatively thin. When it contacts the guide device, friction and collision are likely to occur between the jumping steel coil and the guide device. Since the surface of the steel coil is fragile after heating, it is easy to cause damage to the steel coil. Utility Model Content

[0004] The purpose of the utility model is to provide an inlet guide device for a coiled steel strip to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an entrance guide device for a rolled steel strip, comprising a first mounting frame, the first mounting frames on both sides are rotatably connected to one side facing each other, an extension box is fixedly connected to the top of the first mounting frame, a first movable plate is slidably connected to the inside of the extension box on both sides, a first pushing rod is fixedly connected to the opposite side of the first movable plate on both sides, the first pushing rod penetrates the extension box and is fixedly connected to a lifting box, the lifting box is slidably connected to the inside of a second movable plate, the lower part of the second movable plate is fixedly connected to the second pushing rod, the lower part of the second pushing rod penetrates the inner side of the lifting box to open a buffer groove, a damping rod is fixedly connected to the inside of the buffer groove, the lower part of the damping rod penetrates the buffer groove and is fixedly connected to the second mounting frame, and a transverse roller is rotatably connected to the lower side of the second mounting frame.

[0006] Preferably, the upper portion of the extension box is rotatably connected to a rotating cap, the rotating cap penetrates the extension box and is fixedly connected to a rotating rod, the lower portion of the rotating rod is fixedly connected to a lower bevel gear, the lower bevel gear is rotatably connected to the interior of the extension box, the upper portion of the lower bevel gear is meshingly connected to an upper bevel gear, the interior of the extension box is fixedly connected to an isolation plate, the tail end of the upper bevel gear penetrates the isolation plate and is fixedly connected to a lead screw, the tail end of the lead screw is rotatably connected to the inner wall of the extension box, and the lead screw meshes with the first movable plate.

[0007] Preferably, limiting grooves are provided on both sides of the extension box, first connecting blocks are fixedly connected to both sides of the first movable plate, and the other end of the first connecting block penetrates the limiting groove and is fixedly connected to a first limiting piece.

[0008] Preferably, communication grooves are formed on both sides of the lifting box. A third connecting block is fixedly connected to one side of the second moving plate. The third connecting block is slidably connected to the communication groove. The other end of the third connecting block is fixedly connected to a threaded rod. One side of the threaded rod is slidably connected inside the communication groove. The other end of the threaded rod penetrates outside the communication groove and is threadedly connected to a fixing nut.

[0009] Preferably, a second connecting block is fixedly connected to the other side of the second moving plate. The second connecting block penetrates the communication groove and is fixedly connected to a second limiting piece.

[0010] Preferably, a spring is sleeved outside the damping rod. The upper and lower ends of the spring are respectively fixedly connected to the inner wall of the buffer groove and the second mounting bracket.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, the first moving plate drives the first push rod to move along the extension box, and the first push rod drives the lifting box to move, thereby adjusting the position of the cross roller. By moving the second push rod up and down along the lifting box, the cross roller in the second mounting bracket is restricted above the coiled steel strip, preventing the coiled steel strip from bouncing up and down when passing through the guide device, and causing damage to the coiled steel strip due to contact between the coiled steel strip and the guide device.

[0013] The present utility model also drives the cross roller and the second mounting bracket to move upward by the coiled steel, and buffers the bounce by compressing the damping rod and the spring, preventing the surface pressure of the coiled steel strip from being too large and causing deformation of the coiled steel strip. Description of the Drawings

[0014] Figure 1 is a schematic three-dimensional structure diagram of the first perspective of the present utility model;

[0015] Figure 2 is a sectional view of the extension box structure of the second perspective of the present utility model;

[0016] Figure 3 is a sectional view of the lifting box structure of the third perspective of the present utility model;

[0017] Figure 4 is a sectional view of the buffer groove structure of the fourth perspective of the present utility model.

[0018] In the figure: 1. First mounting bracket; 2. Vertical roller; 3. Extension box; 4. Rotating cap; 5. Rotating rod; 6. Lower bevel gear; 7. Upper bevel gear; 8. Partition board; 9. Lead screw; 10. First moving plate; 11. First push rod; 12. Lifting box; 13. Limit groove; 14. First connecting block; 15. First limiting piece; 16. Second moving plate; 17. Second push rod; 18. Buffer groove; 19. Damping rod; 20. Spring; 21. Second mounting bracket; 22. Horizontal roller; 23. Communication groove; 24. Second connecting block; 25. Second limiting piece; 26. Third connecting block; 27. Threaded rod; 28. Fixed nut. Detailed implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-4 , the present invention provides a technical solution: an inlet guide device for coiling steel strips, including a first mounting bracket 1. Vertical rollers 2 are rotatably installed inside the opposite sides of the two first mounting brackets 1. The coiled steel strip is conveyed between the two vertical rollers 2 for conveying the coiled steel strip. An extension box 3 is fixedly welded to the upper part of the first mounting bracket 1. First moving plates 10 are slidably installed inside the two sides of the extension box 3. First push rods 11 are fixedly welded to the opposite sides of the two first moving plates 10. The first push rods 11 penetrate through the extension box 3 and are fixedly welded to a lifting box 12. A second moving plate 16 is slidably installed inside the lifting box 12. A second push rod 17 is fixedly welded to the lower part of the second moving plate 16. The lower part of the second push rod 17 penetrates through the inner side of the lifting box 12 and a buffer groove 18 is formed. A damping rod 19 is fixedly welded inside the buffer groove 18. The lower part of the damping rod 19 penetrates through the buffer groove 18 and is fixedly welded to a second mounting bracket 21. A horizontal roller 22 is rotatably installed inside the lower side of the second mounting bracket 21. The horizontal roller 22 extends into the vertical roller 2 to be able to limit the upper part of the coiled steel strip. By moving the first moving plate 10 along the extension box 3, the extending positions of the two lifting boxes 12 are changed. By moving the second push rod 17 downward along the lifting box 12, the horizontal roller 22 inside the second mounting bracket 21 is restricted to the upper part of the coiled steel strip and can be adjusted according to the width of the coiled steel strip;

[0021] The upper part of the extension box 3 rotates with a rotating cap 4. The rotating cap 4 penetrates through the extension box 3 and is fixedly welded with a rotating rod 5. The lower part of the rotating rod 5 is fixedly welded with a lower bevel gear 6. The lower bevel gear 6 is rotatably connected to the inside of the extension box 3. The upper part of the lower bevel gear 6 is meshed and connected with an upper bevel gear 7. A partition plate 8 is fixedly welded inside the extension box 3. The tail of the upper bevel gear 7 penetrates through the partition plate 8 and is fixedly welded with a lead screw 9. The tail end of the lead screw 9 is rotatably connected to the inner wall of the extension box 3. The lead screw 9 is meshed with the first moving plate 10. By restricting the rotating cap 4, the rotating rod 5 drives the lower bevel gear 6 to rotate. The lead screw 9 is driven to rotate by the upper bevel gear 7, so that the first moving plate 10 drives the first push rod 11 to move; Limiting grooves 13 are opened on both sides of the extension box 3. First connecting blocks 14 are fixedly welded on both sides of the first moving plate 10. The other ends of the first connecting blocks 14 penetrate through the limiting grooves 13 and are fixedly welded with first limiting pieces 15 to prevent the lead screw 9 from driving the first moving plate 10 to rotate; Communication grooves 23 are opened on both sides of the lifting box 12. A third connecting block 26 is fixedly welded on one side of the second moving plate 16. The third connecting block 26 is slidably installed in the communication groove 23. The other end of the third connecting block 26 is fixedly welded with a threaded rod 27. One side of the threaded rod 27 is slidably installed inside the communication groove 23. The other end of the threaded rod 27 penetrates through the outside of the communication groove 23 and is threadedly installed with a fixing nut 28. By rotating the fixing nut 28, the fixing nut 28 is closely attached to the outer wall of the lifting box 12, and the second moving plate 16 is driven to be closely attached to the inner wall of the lifting box 12 through the threaded rod 27 and the third connecting block 26 to fix the position of the second moving plate 16; A second connecting block 24 is fixedly welded on the other side of the second moving plate 16. The second connecting block 24 penetrates through the communication groove 23 and is fixedly welded with a second limiting piece 25. The second moving plate 16 drives the second limiting piece 25 to be closely attached to the outer wall of the lifting box 12 through the second connecting block 24 to further fix the second moving plate 16; A spring 20 is sleeved outside the damping rod 19. The upper and lower ends of the spring 20 are respectively fixedly welded with the inner wall of the buffer groove 18 and the second mounting bracket 21. The spring 20 cooperates with the damping rod 19. If the coiled steel strip jumps up and down, the transverse roller 22 and the second mounting bracket 21 can be pushed to move upward, and the damping rod 19 and the spring 20 are compressed to buffer the jump.

[0022] Working principle: When this utility model is in use, by restricting the rotation of the rotating cap 4, the rotating rod 5 drives the lower bevel gear 6 to rotate, and drives the lead screw 9 to rotate through the upper bevel gear 7, so that the first moving plate 10 drives the first push rod 11 to move, and the first push rod 11 drives the lifting box 12 to move, thereby adjusting the position of the cross roller 22. By moving the second push rod 17 downward along the lifting box 12, by rotating the fixing nut 28, the fixing nut 28 is closely attached to the outer wall of the lifting box 12, and drives the second moving plate 16 to be closely attached to the inner wall of the lifting box 12 through the threaded rod 27 and the third connecting block 26. The second moving plate 16 drives the second limiting piece 25 to be closely attached to the outer wall of the lifting box 12 through the second connecting block 24, restricting the height of the second moving plate 16, so that the cross roller 22 in the second mounting bracket 21 is restricted above the coiled steel strip, preventing the coiled steel strip from jumping up and down. If the coiled steel strip jumps up and down, the cross roller 22 and the second mounting bracket 21 can be pushed upward to buffer the jump through the compression of the damping rod 19 and the spring 20.

[0023] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An inlet guide device for a coiled steel strip, comprising a first mounting frame (1), characterized in that: The first mounting frames (1) on both sides are rotatably connected to the sides facing each other and are internally provided with vertical rollers (2); an extension box (3) is fixedly connected to the top of the first mounting frame (1); first moving plates (10) are slidably connected to the inside of the two sides of the extension box (3); first pushing rods (11) are fixedly connected to the opposite sides of the first moving plates (10) on both sides; the first pushing rods (11) penetrate the extension box (3) and are fixedly connected to the lifting box (12); a second moving plate (16) is slidably connected to the inside of the lifting box (12); a second pushing rod (17) is fixedly connected to the lower part of the second moving plate (16); a buffer groove (18) is formed on the lower part of the second pushing rod (17) penetrating the inner side of the lifting box (12); a damping rod (19) is fixedly connected to the inside of the buffer groove (18); a second mounting frame (21) is fixedly connected to the lower part of the second mounting frame (21); a transverse roller (22) is rotatably connected to the inside of the lower part of the second mounting frame (21).

2. The inlet guide device for a coiled steel strip according to claim 1, characterized in that: The upper part of the extension box (3) is rotatably connected to a rotating cap (4), the rotating cap (4) penetrates the extension box (3) and is fixedly connected to a rotating rod (5), the lower part of the rotating rod (5) is fixedly connected to a lower bevel gear (6), the lower bevel gear (6) is rotatably connected to the inside of the extension box (3), the upper part of the lower bevel gear (6) is meshedly connected to an upper bevel gear (7), the inside of the extension box (3) is fixedly connected to an isolation plate (8), the tail end of the upper bevel gear (7) penetrates the isolation plate (8) and is fixedly connected to a lead screw (9), the tail end of the lead screw (9) is rotatably connected to the inner wall of the extension box (3), and the lead screw (9) is meshed with the first movable plate (10).

3. The inlet guide device for a coiled steel strip according to claim 1, characterized in that: The extension box (3) has limiting grooves (13) on both sides, the first movable plate (10) is fixedly connected to first connection blocks (14) on both sides, and the other end of the first connection block (14) penetrates the limiting groove (13) and is fixedly connected to a first limiting plate (15).

4. The inlet guide device for a coiled steel strip according to claim 1, characterized in that: The lifting box (12) is provided with connecting grooves (23) on both sides; a third connecting block (26) is fixedly connected to one side of the second movable plate (16); the third connecting block (26) is slidably connected to the connecting groove (23); a threaded rod (27) is fixedly connected to the other end of the third connecting block (26); one side of the threaded rod (27) is slidably connected to the inside of the connecting groove (23); the other end of the threaded rod (27) penetrates the outside of the connecting groove (23) and is threadedly connected to a fixing nut (28).

5. The inlet guide device for a coiled steel strip according to claim 4, characterized in that: A second connecting block (24) is fixedly connected to the other side of the second movable plate (16), and the second connecting block (24) penetrates the communicating groove (23) and is fixedly connected to a second limiting piece (25).

6. The inlet guide device for coiled steel strip according to claim 1, characterized in that: A spring (20) is sleeved on the outside of the damping rod (19), and the upper and lower ends of the spring (20) are respectively fixedly connected to the inner wall of the buffer groove (18) and the second mounting frame (21).

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