Feeding guide device of rolling mill

Abstract

The utility model provides a feeding guide device of a rolling mill, which comprises two side plates which are arranged in parallel, the upper ends and the lower ends of the side plates are respectively and fixedly connected with two transverse plates, and a guide channel is formed between the two side plates; the guide rollers are rotationally connected with the adjusting plates, the adjusting plates are movably connected to the side plates, each side plate is provided with one guide roller, and the guide rollers protrude out of the end faces, close to the guide channel, of the side plates; the lining plate is arranged on the end face, close to the guide channel, of the transverse plate, and the lining plate is detachably connected with the transverse plate; the guide plate is arranged on the adjusting plate, and the end, away from the guide channel, of the guide plate is bent towards the outer side. The guide device has the advantages that the distance between the guide rollers is adjusted by rotating the nuts to adjust the positions of the adjusting plates, the guide device is suitable for guide operation of steel billets with different widths, friction force is reduced due to rotating connection of the guide rollers, the steel billets are convenient to convey, abrasion to the guide device can be reduced, and the service life of the guide device is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel production, and particularly relates to a feeding guiding device for a rolling mill. Background Art

[0002] During the rolling process of steel billets, it is necessary to feed the steel billets into the pass of the rolling rolls. The following problems exist in the current feeding guiding device: First, the width of the guiding channel is fixed. When steel billets of different widths need to be rolled, the guiding device needs to be replaced, resulting in a complex working process. Second, the inner side walls of the guiding device channel are severely worn, restricting the service life of the device. The guiding device needs to be replaced regularly, increasing the production cost. Content of the Utility Model

[0003] In view of this, the utility model aims to provide a feeding guiding device for a rolling mill to solve at least one of the above partial technical problems.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A feeding guiding device for a rolling mill, comprising:

[0006] Side plates, the number of the side plates is two, the two side plates are arranged in parallel, the upper and lower ends of the side plates are respectively fixedly connected with two cross plates, and a guiding channel is formed between the two side plates;

[0007] Guiding rollers, the guiding rollers are rotationally connected with adjusting plates, the adjusting plates are movably connected to the side plates, and each adjusting plate is provided with a guiding roller, and the protruding end face of the guiding roller adjacent to the guiding channel is close to the side plate;

[0008] Lining plates, the lining plates are arranged on the end faces of the cross plates adjacent to the guiding channel, and the lining plates are detachably connected with the cross plates;

[0009] Guiding plates, the adjusting plates are provided with guiding plates, and one end of the guiding plates far away from the guiding channel is bent outwards.

[0010] Furthermore, an inserting plate is fixedly arranged on the end face of the lining plate far away from the guiding channel, the distance between the inserting plate and the lining plate is matched with the thickness of the cross plate, the cross plate is located between the inserting plate and the lining plate, and the inserting plate is detachably connected with the cross plate through bolts;

[0011] The lining plate is a structural member made of wear-resistant steel;

[0012] The edge of the lining plate adjacent to the guiding channel and adjacent to the feeding end of the guiding channel adopts a chamfer structure.

[0013] Furthermore, one end of the guiding channel close to the guiding plate is the feeding end, and the other end is the discharging end;

[0014] One end of the side plate adjacent to the discharge end of the guiding channel is provided with a positioning groove matching the rolling roll.

[0015] Furthermore, one end of the guiding plate adjacent to the side plate is fixedly connected to the first connecting plate, the first connecting plate is connected to the second connecting plate, and the second connecting plate is detachably connected to the adjusting plate through bolts;

[0016] Reinforcing ribs are arranged between the guiding plate and the first connecting plate;

[0017] The guiding plate is a structural member made of wear-resistant steel.

[0018] Furthermore, mounting holes are formed in the side plate, mounting plates corresponding to the mounting holes are fixedly arranged on the adjusting plate, and the mounting plates are mounted inside the mounting holes;

[0019] Both ends of the guiding roll are rotatably connected to the connecting seat, rotating holes are formed in the connecting seat, the rotating shafts at both ends of the guiding roll are mounted inside the rotating holes, and the connecting seat is connected to the mounting plate.

[0020] Furthermore, strip-shaped through holes are formed in the mounting plate, the strip-shaped through holes are perpendicular to the guiding channel, sliding bosses are arranged at the lower end of the connecting seat, the sliding bosses are mounted inside the strip-shaped through holes, strip-shaped grooves corresponding to the strip-shaped through holes are formed in the connecting seat, the strip-shaped grooves match the connecting seat, the connecting seat is mounted inside the strip-shaped grooves, the width of the connecting seat is greater than the width of the sliding bosses, and a first compression spring is arranged between the connecting seat and the side plate.

[0021] Furthermore, guiding rods are fixedly arranged on the connecting seat, guiding holes matching the guiding rods are formed in the side plate, the guiding rods are mounted inside the guiding holes, and the first compression spring is mounted outside the guiding rods.

[0022] Furthermore, a vertical plate is fixedly arranged on the end face of the cross plate away from the guiding channel, a screw rod arranged along the moving direction of the adjusting plate is arranged on the vertical plate, a jack corresponding to the screw rod is formed in the adjusting plate, and the screw rod is located inside the jack;

[0023] The screw rod is arranged parallel to the guiding rod, and the guiding rod is arranged perpendicular to the guiding channel;

[0024] The screw rod is threadedly connected with a limit nut.

[0025] Furthermore, a second compression spring is arranged between the adjusting plate and the vertical plate, and the second compression spring is located outside the screw rod.

[0026] Furthermore, the side plate is a structural member made of wear-resistant steel.

[0027] Compared with the prior art, the feeding guiding device of the rolling mill of the present utility model has the following beneficial effects:

[0028] (1) For the feeding guiding device of the rolling mill of the present utility model, the position of the adjusting plate is adjusted by rotating the nut, thereby adjusting the distance between the guiding rollers, which is applicable to the guiding operation of billets with different widths. Moreover, the guiding rollers are rotatably connected, reducing the friction force. While facilitating the conveying of the billets, it can also reduce the wear of the guiding device and extend the service life of the device.

[0029] (2) For the feeding guiding device of the rolling mill of the present utility model, a second compression spring is provided between the adjusting plate and the vertical plate. The second compression spring is located outside the screw rod. By rotating the limit nut, the distance between the guiding rollers can be adjusted, improving the working efficiency and being applicable to the guiding operation of billets with different widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0031] Figure 1 is the three-dimensional structure schematic diagram of the device described in the embodiment of the present utility model;

[0032] Figure 2 is the first sectional structure schematic diagram of the device described in the embodiment of the present utility model;

[0033] Figure 3 is the second sectional structure schematic diagram of the device described in the embodiment of the present utility model;

[0034] Figure 4 is the three-dimensional structure schematic diagram of the side plate described in the embodiment of the present utility model;

[0035] Figure 5 is the three-dimensional structure schematic diagram of the adjusting plate described in the embodiment of the present utility model;

[0036] Figure 6 is the three-dimensional structure schematic diagram of the adjusting plate for installing the guiding rollers described in the embodiment of the present utility model;

[0037] Figure 7 is the three-dimensional structure schematic diagram of the connecting seat described in the embodiment of the present utility model.

[0038] Description of the reference numerals:

[0039] 1. Side plate; 2. Cross plate; 3. Adjusting plate; 4. Guide plate; 5. Second compression spring; 6. Limit nut; 7. Liner; 8. Guide roller; 9. Connecting seat; 10. First compression spring; 101. Positioning groove; 102. Mounting hole; 201. Screw; 202. Vertical plate; 301. Jack; 302. Mounting plate; 303. Strip-shaped through hole; 304. Strip-shaped groove; 305. Guide hole; 401. First connecting plate; 402. Reinforcing rib; 403. Second connecting plate; 901. Sliding boss; 902. Rotating hole; 903. Guide rod. Detailed implementation mode

[0040] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0041] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0042] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0043] The present utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0044] Such as Figures 1 to 7As shown in the figure, a feeding guiding device for a rolling mill includes: side plates 1, with two side plates 1 arranged in parallel. The upper and lower ends of the side plates 1 are respectively fixedly connected to two cross plates 2, and a guiding channel is formed between the two side plates 1; guiding rollers 8, the guiding rollers 8 are rotatably connected to the adjusting plates 3, and the adjusting plates 3 are movably connected to the side plates 1. Each adjusting plate 3 is provided with two guiding rollers 8, and the guiding rollers 8 on the two adjusting plates 3 correspond one by one to form two groups of guiding rollers 8, and the convex end faces of the guiding rollers 8 of the side plates 1 are adjacent to the guiding channel; lining plates 7, the end faces of the cross plates 2 adjacent to the guiding channel are provided with lining plates 7, and the lining plates 7 are detachably connected to the cross plates 2; guiding plates 4, the adjusting plates 3 are provided with guiding plates 4, and one end of the guiding plate 4 away from the guiding channel is bent outward.

[0045] An insertion plate is fixedly provided on the end face of the lining plate 7 away from the guiding channel, and the distance between the insertion plate and the lining plate 7 matches the thickness of the cross plate 2. The cross plate 2 is located between the insertion plate and the lining plate 7, and the insertion plate is detachably connected to the cross plate 2 by bolts; the lining plate 7 is a structural member made of wear-resistant steel, and the lining plate 7 made of wear-resistant steel extends the service life of the lining plate 7; the edge of the lining plate 7 adjacent to the guiding channel and the feeding end of the guiding channel adopts a chamfer structure, and the chamfer structure plays a guiding role in guiding the billet into the guiding channel. The detachable connection of the lining plate 7 improves the maintenance efficiency of the device.

[0046] One end of the guiding channel adjacent to the guiding plate 4 is the feeding end, and the other end is the discharging end; one end of the side plate 1 adjacent to the discharging end of the guiding channel is provided with a positioning groove 101 matching the rolling mill roll, and the positioning groove 101 fits with the rolling mill roll.

[0047] One end of the guiding plate 4 adjacent to the side plate 1 is fixedly connected to the first connecting plate 401, the first connecting plate 401 is connected to the second connecting plate 403, and the second connecting plate 403 is detachably connected to the adjusting plate 3 by bolts; the guiding plate 4 plays a guiding role in guiding the billet into the guiding channel. A reinforcing rib 402 is provided between the guiding plate 4 and the first connecting plate 401, and the reinforcing rib 402 increases the structural strength of the guiding plate 4; the guiding plate 4 is a structural member made of wear-resistant steel material, and the guiding plate 4 made of wear-resistant steel material improves the service life of the guiding plate 4.

[0048] The side plate 1 is provided with mounting holes 102, the adjusting plate 3 is fixedly provided with mounting plates 302 corresponding to the mounting holes 102, and the mounting plates 302 are installed inside the mounting holes 102; both ends of the guiding roller 8 are rotatably connected to the connecting seat 9, the connecting seat 9 is provided with rotation holes 902, the rotation shafts at both ends of the guiding roller 8 are installed inside the rotation holes 902, and the connecting seat 9 is connected to the mounting plate 302. In some embodiments, the connecting seat 9 is fixedly connected to the mounting plate 302.

[0049] In some other embodiments, a strip-shaped through hole 303 is formed in the mounting plate 302. The strip-shaped through hole 303 is perpendicular to the guiding channel. The lower end of the connecting seat 9 has a sliding boss 901. The sliding boss 901 is installed inside the strip-shaped through hole 303. The connecting seat 9 is provided with a strip-shaped groove 304 corresponding to the strip-shaped through hole 303. The strip-shaped groove 304 matches the connecting seat 9. The connecting seat 9 is installed inside the strip-shaped groove 304. The width of the connecting seat 9 is greater than the width of the sliding boss 901. A first compression spring 10 is provided between the connecting seat 9 and the side plate 1. A guiding rod 903 is fixedly arranged on the connecting seat 9. A guiding hole 305 matching the guiding rod 903 is formed in the side plate 1. The guiding rod 903 is installed inside the guiding hole 305. The first compression spring 10 is installed outside the guiding rod 903. The guiding rod 903 not only plays a role in guiding the connecting seat 9, but also plays a positioning role for the first compression spring 10 to prevent it from deviating from its position. When the billet shakes, the first compression spring 10 plays a role of buffering and resetting to prevent the rotating shaft of the guiding roller 8 from bending due to excessive force.

[0050] In some embodiments, a vertical plate 202 is fixedly arranged on the end surface of the cross plate 2 far away from the guiding channel. A screw rod 201 arranged along the moving direction of the adjusting plate 3 is provided on the vertical plate 202. A jack 301 corresponding to the screw rod 201 is formed in the adjusting plate 3. The screw rod 201 is located inside the jack 301. The screw rod 201 is arranged parallel to the guiding rod 903. The guiding rod 903 is perpendicular to the guiding channel. Limit nuts 6 are threadedly connected to both ends of the screw rod 201. Limit nuts 6 are provided on both sides of the adjusting plate 3 to limit the adjusting plate 3.

[0051] In some other embodiments, a vertical plate 202 is fixedly arranged on the end surface of the cross plate 2 far away from the guiding channel. A screw rod 201 arranged along the moving direction of the adjusting plate 3 is provided on the vertical plate 202. A jack 301 corresponding to the screw rod 201 is formed in the adjusting plate 3. The screw rod 201 is located inside the jack 301. The screw rod 201 is arranged parallel to the guiding rod 903. The guiding rod 903 is perpendicular to the guiding channel. A limit nut 6 is correspondingly arranged on the end surface of the adjusting plate 3 far away from the vertical plate 202. The limit nut 6 limits one end of the adjusting plate 3 far away from the vertical plate 202. A second compression spring 5 is provided between the adjusting plate 3 and the vertical plate 202. The second compression spring 5 is located outside the screw rod 201. By rotating the limit nut 6, the distance between the guiding rollers 8 can be adjusted, which is suitable for guiding operations of billets with different widths.

[0052] The side plate 1 is a structural member made of wear-resistant steel. The wear-resistant steel side plate 1 improves the service life of the side plate 1.

[0053] Working process:

[0054] When this solution is implemented, the position of the adjusting plate 3 is adjusted by rotating the nut, thereby adjusting the distance between the guiding rollers 8, which is applicable to the guiding operation of billets with different widths. Moreover, the rotational connection of the guiding rollers 8 reduces the friction force. While facilitating the conveying of the billets, it can also reduce the wear of the guiding device and extend the service life of the device.

[0055] Finally, it should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the present invention in each embodiment, and they should all be covered by the scope of the claims and the description of the present invention.

[0056] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A feeding and guiding device for a rolling mill, characterized in that, Including: Side plates (1), the number of said side plates (1) is two, the two side plates (1) are arranged in parallel, the upper and lower ends of the side plates (1) are respectively fixedly connected to two cross plates (2), and a guiding channel is formed between the two side plates (1); Guiding rollers (8), the guiding rollers (8) are rotatably connected to the adjusting plates (3), the adjusting plates (3) are movably connected to the side plates (1), each adjusting plate (3) is provided with a guiding roller (8), and the protruding end face of the guiding roller (8) adjacent to the guiding channel of the side plate (1); Lining plates (7), the lining plates (7) are provided on the end faces of the cross plates (2) adjacent to the guiding channel, and the lining plates (7) are detachably connected to the cross plates (2); Guiding plates (4), the guiding plates (4) are provided on the adjusting plates (3), and one end of the guiding plate (4) away from the guiding channel is bent outward.

2. The feeding and guiding device of a rolling mill according to claim 1, characterized in that: An inserting plate is fixedly provided on the end face of the lining plate (7) away from the guiding channel, the distance between the inserting plate and the lining plate (7) matches the thickness of the cross plate (2), the cross plate (2) is located between the inserting plate and the lining plate (7), and the inserting plate is detachably connected to the cross plate (2) by bolts; The lining plate (7) is a structural member made of wear-resistant steel; The edge of the lining plate (7) adjacent to the guiding channel and adjacent to the feeding end of the guiding channel adopts a chamfer structure.

3. The feeding and guiding device for a rolling mill according to claim 1, characterized in that: One end of the guiding channel adjacent to the guiding plate (4) is the feeding end, and the other end is the discharging end; A positioning groove (101) matching the rolling roller is formed at one end of the side plate (1) adjacent to the discharging end of the guiding channel.

4. A feeding and guiding device for a rolling mill according to claim 1, characterized in that: One end of the guiding plate (4) adjacent to the side plate (1) is fixedly connected to a first connecting plate (401), the first connecting plate (401) is connected to a second connecting plate (403), and the second connecting plate (403) is detachably connected to the adjusting plate (3) by bolts; A reinforcing rib (402) is provided between the guiding plate (4) and the first connecting plate (401); The guiding plate (4) is a structural member made of wear-resistant steel material.

5. A feeding and guiding device for a rolling mill according to claim 1, characterized in that: Mounting holes (102) are formed in the side plates (1), mounting plates (302) corresponding to the mounting holes (102) are fixedly provided on the adjusting plates (3), and the mounting plates (302) are mounted inside the mounting holes (102); Both ends of the guiding roller (8) are rotatably connected to a connecting seat (9), rotating holes (902) are formed in the connecting seat (9), the rotating shafts at both ends of the guiding roller (8) are mounted inside the rotating holes (902), and the connecting seat (9) is connected to the mounting plate (302).

6. The feeding and guiding device of a rolling mill according to claim 5, characterized in that: A strip-shaped through hole (303) is formed in the mounting plate (302), the strip-shaped through hole (303) is perpendicular to the guiding channel, a sliding boss (901) is provided at the lower end of the connecting seat (9), the sliding boss (901) is installed inside the strip-shaped through hole (303), a strip-shaped groove (304) corresponding to the strip-shaped through hole (303) is formed in the connecting seat (9), the strip-shaped groove (304) matches the connecting seat (9), the connecting seat (9) is installed inside the strip-shaped groove (304), the width of the connecting seat (9) is greater than the width of the sliding boss (901), and a first compression spring (10) is provided between the connecting seat (9) and the side plate (1).

7. The feeding and guiding device for a rolling mill according to claim 6, characterized in that: A guiding rod (903) is fixedly provided on the connecting seat (9), a guiding hole (305) matching the guiding rod (903) is formed in the side plate (1), the guiding rod (903) is installed inside the guiding hole (305), and the first compression spring (10) is installed outside the guiding rod (903).

8. The feeding and guiding device for a rolling mill according to claim 5, characterized in that: A vertical plate (202) is fixedly provided on the end face of the cross plate (2) away from the guiding channel, a screw rod (201) arranged along the moving direction of the adjusting plate (3) is provided on the vertical plate (202), a jack (301) corresponding to the screw rod (201) is formed in the adjusting plate (3), and the screw rod (201) is located inside the jack (301); The screw rod (201) is arranged parallel to the guiding rod (903), and the guiding rod (903) is arranged perpendicular to the guiding channel; The screw rod (201) is threadedly connected with a limit nut (6).

9. The feeding and guiding device of a rolling mill according to claim 8, characterized in that: A second compression spring (5) is provided between the adjusting plate (3) and the vertical plate (202), and the second compression spring (5) is located outside the screw rod (201).

10. A feeding and guiding device for a rolling mill according to claim 1, characterized in that: The side plate (1) is a structural member made of wear-resistant steel.

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