Aqueduct device for bar slitting and rolling

By designing a trough device and drainage holes with a specific structure, the problems of unstable discharge and uneven cooling of red material during the slitting and rolling process were solved, achieving stable discharge and uniform cooling of red material and avoiding uneven flow and steel piling accidents during slitting and rolling.

CN223588009UActive Publication Date: 2025-11-25SHANXI TONGCAI IND & TRADE CO LTD
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Patent Information

Application Number
CN202423275155.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-25
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In the existing slitting and rolling process, the slitting red material has a large opening angle, slight head bending, and unstable trajectory, which can easily lead to poor slitting and rolling process and steel piling accidents, as well as uneven cooling.

Method used

A bar cutting and rolling trough device was designed, including a base plate and a trough body. The trough body is equipped with drainage holes. The trough body consists of an inlet trumpet section, a transition section, a steel separating section and a guide outlet section. The design of these sections ensures that the red material is stably discharged and that cooling water is discharged through the drainage holes to avoid uneven cooling.

Benefits of technology

This achieved stable discharge of the raw material, avoided uneven rolling and steel piling accidents, ensured uniform cooling effect, and improved production stability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223588009U_ABST
    Figure CN223588009U_ABST
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Abstract

The utility model discloses an aqueduct device for bar slitting and rolling. The device provided by the utility model is characterized in that a drain hole is formed in a groove body on a bottom plate; the first groove and the second groove are symmetrically arranged relative to the horizontal axis of the groove body; the first groove comprises an inlet horn section, a transition section, a steel splitting section and a guide outlet section; the outer inner wall of the first groove is horizontally arranged; the inner width of the inlet horn section is gradually reduced from outside to inside; the inner width of the transition section is kept unchanged, the inner width of the transition section is equal to the minimum inner width of the inlet horn section, and the transition section is horizontally arranged; the guide outlet section is horizontally arranged, and the inner width of the guide outlet section is 0.3-0.5 of the inner width of the transition section; the steel splitting section is in inclined transition between the transition section and the guide outlet section, and the inner width of the steel splitting section is gradually reduced from the transition section to the guide outlet section. According to the utility model, the segmented red material with a large opening angle and a slightly bent head part can stably pass through the aqueduct, the track is stable, accidents are avoided, and the cooling effect of the red material is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical technology field, concretely relates to a kind of aqueduct device for bar cutting and rolling. BACKGROUND

[0002] Cutting and rolling refers to the cutting and rolling technology that cutting wheel or other cutting device in the guide device is used to cut rolled piece into two lines or multiple lines along longitudinal direction in rolling process, rolled piece is rolled into the shape of preparation cutting first using special pass, then non-transmission cutting wheel is installed at the outlet of rolling mill, and rolled piece is cut using its lateral component force.Cut red material is cooled and introduced into next rolling by aqueduct device.

[0003] Since cutting and rolling is uneven deformation, bending deformation is prone to occur at high rolling temperature, after cutting by cutting wheel, there are problems such as slight bending of head and unstable track, and the cutting angle of red steel on both sides of outside is large, and the opening angle after cutting is large;Ordinary aqueduct is straight cylinder aqueduct, for red material with large opening angle and slightly bent head entering straight cylinder aqueduct, cutting and rolling straightness difference is prone to occur, and accidents such as steel stacking occur;And ordinary aqueduct does not have drainage function, which is prone to cause cooling water to accumulate in aqueduct, so that red material is not uniformly cooled, and subsequent production is affected. SUMMARY

[0004] The utility model aims at overcoming the defects of prior art, and proposes an aqueduct device for bar cutting and rolling, which can make red material with large opening angle and slightly bent head after cutting pass through aqueduct stably, and track is stable, cutting and rolling straightness difference is avoided, and accidents such as steel stacking are avoided, and cooling effect of red material is ensured.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] An aqueduct device for bar cutting and rolling, including bottom plate and tank body, the tank body is arranged on the bottom plate, the bottom plate is provided with drainage hole in the tank body, and the bottom plate is smoothly connected at the drainage hole.

[0007] The tank body includes first tank and second tank, and the first tank and the second tank are symmetrically arranged with respect to the horizontal axis of the tank body;The first tank includes inlet horn section, transition section, steel separation section and guide outlet section.

[0008] The first slot outer side inner wall is horizontally arranged; the inner width of the entrance horn section gradually decreases from outside to inside; the inner width of the transition section remains unchanged, and the inner width of the transition section is equal to the minimum inner width of the entrance horn section, and the transition section is horizontally arranged; the guide outlet section is horizontally arranged, and the inner width of the guide outlet section is 0.3-0.5 of the inner width of the transition section; the steel separating section is inclinedly connected between the transition section and the guide outlet section, and the inner width of the steel separating section gradually decreases from the transition section to the guide outlet section, the maximum inner width of the steel separating section is equal to the inner width of the transition section, and the minimum inner width of the steel separating section is equal to the inner width of the guide outlet section.

[0009] Preferably, the length ratio of the entrance horn section, the transition section, the steel separating section and the guide outlet section is 1-1.5:2-3:6-7:0.5-1.

[0010] Preferably, the maximum inner width of the entrance horn section is 1.2-1.5 times of the minimum inner width.

[0011] Preferably, the groove body further comprises a third slot, and the third slot is arranged between the first slot and the second slot.

[0012] Preferably, the third slot is arranged in one, the third slot is horizontally arranged, the central axis of the third slot is collinear with the horizontal axis of the groove body, and the inner width of the third slot remains unchanged.

[0013] Preferably, the number of the third slots is two, the two third slots are symmetrically arranged relative to the horizontal axis of the groove body, and the inner width of the third slots remains unchanged; the third slot comprises an entrance section, an inclined section and an outlet section, the entrance section and the outlet section are horizontally arranged, and the inclined section is arranged between the entrance section and the outlet section; the inclined section is inclined outward from the entrance section to the outlet section.

[0014] Preferably, the length ratio of the entrance section, the inclined section and the outlet section is 1-1.5:8-9:0.5-1.

[0015] Preferably, the bottom plate is made of wear-resistant steel plate by welding.

[0016] The cutting angle of the two side portions is large during cutting and rolling, so that the angle of the red material opened after cutting is large, and the head portion is slightly curved; due to the arrangement of the entrance horn section, the red material with large cutting angle and slightly curved head portion can smoothly enter the groove body, pass through the entrance horn section, the transition section and the steel separating section, and finally be accurately guided out through the guide outlet section, so that the red material can be smoothly and flatly guided into the next inlet guide.

[0017] The utility model has the advantages that:

[0018] The utility model discloses a first groove and second groove are formed to the inlet horn section, transition section, steel dividing section and guide outlet section through setting first groove and second groove on the groove body on the bottom plate, and the red material with big cutting angle and slight bending head can smoothly enter, pass through the inlet horn section, transition section, steel dividing section and finally be accurately guided out through the guide outlet section, which is convenient for subsequent smooth and straight guiding into the next inlet guide, avoids cutting rolling difference, steel stacking and other accidents.

[0019] The utility model discloses a drainage hole is opened in the groove on the bottom plate, and cooling water can be in time through the drainage hole and is excluded, prevents the cooling water accumulation and leads to the red steel head cooling uneven, and the bottom plate is smooth transition at the drainage hole, and will not influence the red steel guide and through.

[0020] By the above scheme, the utility model can make the red material after cutting stable through the transition groove, and the trajectory is stable, avoids cutting rolling difference, steel stacking and other accidents, and guarantees the cooling effect of the red material. DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the embodiment or the description of prior art needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can obtain other drawings according to these drawings.

[0022] Figure 1 It is the front view of the utility model.

[0023] Figure 2 It is the top view of the first embodiment.

[0024] Figure 3 It is the top view of the second embodiment.

[0025] Figure 4 It is the top view of the third embodiment.

[0026] In the drawing, 1-bottom plate, 2-groove body, 21-first groove, 22-second groove, 23-third groove, 211-inlet horn section, 212-transition section, 213-steel dividing section, 214-guide outlet section, 215-drainage hole, 231-inlet section, 232-inclined section, 233-outlet section. IMPLEMENTATION

[0027] In order to make the technical problem, technical scheme and beneficial effect of the utility model to be solved more clearly, the following combines the drawing and embodiment, and the utility model is further explained in detail. It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0028] It should be noted that when an element is referred to as being "fixed" or "set" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0030] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0031] First embodiment:

[0032] As shown in Figures 1-2 A trough device for bar cutting and rolling, comprising a bottom plate 1 and a trough body 2, the trough body 2 is arranged on the bottom plate 1; a drain hole 215 is formed in the trough body 2 on the bottom plate 2, and the bottom plate 2 is smoothly transitioned at the drain hole 215.

[0033] The trough body 2 includes a first trough 21 and a second trough 22, which are symmetrically arranged with respect to the horizontal axis of the trough body 2; the first trough 21 includes an entrance horn section 211, a transition section 212, a steel dividing section 213 and a guide exit section 214, and the length ratio of the entrance horn section 211, the transition section 212, the steel dividing section 213 and the guide exit section 214 is 1~1.5:2~3:6~7:0.5~1.

[0034] The outer side inner wall of the first groove 21 is horizontally arranged; the inner width of the entrance horn section 211 gradually decreases from outside to inside, and the maximum inner width of the entrance horn section 211 is 1.2-1.5 times the minimum inner width; the inner width of the transition section 212 remains unchanged, and the inner width of the transition section 212 is equal to the minimum inner width of the entrance horn section 211, and the transition section 212 is horizontally arranged; the guide outlet section 214 is horizontally arranged, and the inner width of the guide outlet section 214 is 0.3-0.5 times the inner width of the transition section 213; the steel distribution section 213 is inclined between the transition section 213 and the guide outlet section 214, and the inner width of the steel distribution section 213 gradually decreases from the transition section 212 to the guide outlet section 214, and the maximum inner width of the steel distribution section 213 is equal to the inner width of the transition section 212, and the minimum inner width of the steel distribution section 213 is equal to the inner width of the guide outlet section 214, that is, it is suitable for two cutting rolling, and the two cutting is respectively entered into the first groove 21 and the second groove 22.

[0035] Second embodiment:

[0036] As shown in Figure 1 and 3 A flume device for bar cutting rolling, comprising a bottom plate 1 and a groove body 2, the groove body 2 is arranged on the bottom plate 1; a drainage hole 215 is opened in the groove body 2 on the bottom plate 2, and the bottom plate 2 is smoothly transitioned at the drainage hole 215.

[0037] The groove body 2 comprises a first groove 21 and a second groove 22, and the first groove 21 and the second groove 22 are symmetrically arranged relative to the horizontal axis of the groove body 2; the first groove 21 comprises an entrance horn section 211, a transition section 212, a steel distribution section 213 and a guide outlet section 214, and the length ratio of the entrance horn section 211, the transition section 212, the steel distribution section 213 and the guide outlet section 214 is 1-1.5:2-3:6-7:0.5-1.

[0038] The outer side inner wall of the first groove 21 is horizontally arranged; the inner width of the entrance horn section 211 gradually decreases from outside to inside, and the maximum inner width of the entrance horn section 211 is 1.2-1.5 times the minimum inner width; the inner width of the transition section 212 remains unchanged, and the inner width of the transition section 212 is equal to the minimum inner width of the entrance horn section 211, and the transition section 212 is horizontally arranged; the guide outlet section 214 is horizontally arranged, and the inner width of the guide outlet section 214 is 0.3-0.5 times the inner width of the transition section 213; the steel distribution section 213 is inclined between the transition section 213 and the guide outlet section 214, and the inner width of the steel distribution section 213 gradually decreases from the transition section 212 to the guide outlet section 214, and the maximum inner width of the steel distribution section 213 is equal to the inner width of the transition section 212, and the minimum inner width of the steel distribution section 213 is equal to the inner width of the guide outlet section 214.

[0039] The groove body 2 further comprises a third groove 23, and the third groove 23 is arranged between the first groove 21 and the second groove 22.

[0040] The third groove 23 is provided one, the third groove 23 is horizontally arranged, the central axis of the third groove 23 is collinear with the horizontal axis of the groove body 2, the inner width of the third groove 23 remains consistent, that is, it is suitable for three-split rolling, the two sides enter the first groove 21 and the second groove 22 respectively, and the middle part enters the third groove 23.

[0041] Third embodiment:

[0042] As shown in Figure 1 and 4 A kind of bar splitting rolling aqueduct device, including bottom plate 1 and groove body 2, the groove body 2 is arranged on bottom plate 1;Drainage hole 215 is opened in groove body 2 on bottom plate 2, and the bottom plate 2 is smoothly transitioned at drainage hole 215.

[0043] The groove body 2 includes first groove 21 and second groove 22, and the first groove 21 and the second groove 22 are symmetrically arranged relative to the horizontal axis of the groove body 2;The first groove 21 includes entrance horn section 211, transition section 212, steel dividing section 213 and guide exit section 214, and the length ratio of the entrance horn section 211, the transition section 212, the steel dividing section 213 and the guide exit section 214 is 1~1.5:2~3:6~7:0.5~1.

[0044] The outer side inner wall of the first groove 21 is horizontally arranged;The inner width of the entrance horn section 211 gradually decreases from outside to inside, and the maximum inner width of the entrance horn section 211 is 1.2~1.5 times the minimum inner width;The inner width of the transition section 212 remains unchanged, and the inner width of the transition section 212 is equal to the minimum inner width of the entrance horn section 211, and the transition section 212 is horizontally arranged;The guide exit section 214 is horizontally arranged, and the inner width of the guide exit section 214 is 0.3~0.5 times the inner width of the transition section 213;The steel dividing section 213 is inclined between the transition section 213 and the guide exit section 214, and the inner width of the steel dividing section 213 gradually decreases from the transition section 212 to the guide exit section 214, and the maximum inner width of the steel dividing section 213 is equal to the inner width of the transition section 212, and the minimum inner width of the steel dividing section 213 is equal to the inner width of the guide exit section 214.

[0045] The groove body 2 further includes third groove 23, and the third groove 23 is arranged between the first groove 21 and the second groove 22.

[0046] The number of the third grooves 23 is two, the two third grooves 23 are symmetrically arranged relative to the horizontal axis of the groove body 2, and the inner width of the third grooves 23 remains consistent; the third grooves 23 comprise an inlet section 231, an inclined section 232 and an outlet section 233, the inlet section 231 and the outlet section 233 are horizontally arranged, and the inclined section 232 is arranged between the inlet section 231 and the outlet section 233; the inclined section 232 is inclined outward from the inlet section 231 to the outlet section 233; the length ratio of the inlet section 231, the inclined section 232 and the outlet section 233 is 1~1.5:8~9:0.5~1, that is, suitable for four-cut rolling, when four-cut, the two sides respectively enter the first groove 21 and the second groove 22, and the two middle parts respectively enter the two third grooves 23.

[0047] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A bar slitting and rolling flume device comprising a base plate and a flume body, the flume body being provided on the base plate, characterized in that: The bottom plate is provided with a drainage hole in the groove, and the bottom plate is smoothly transitioned at the drainage hole; the groove comprises a first groove and a second groove, and the first groove and the second groove are symmetrically arranged with respect to the horizontal axis of the groove; the first groove comprises an entrance horn section, a transition section, a steel distribution section and a guide outlet section; the inner wall of the first groove is horizontally arranged; the inner width of the entrance horn section gradually decreases from outside to inside; the inner width of the transition section remains unchanged, and the inner width of the transition section is equal to the minimum inner width of the entrance horn section; the transition section is horizontally arranged; the guide outlet section is horizontally arranged, and the inner width of the guide outlet section is 0.3-0.5 times the inner width of the transition section; the steel distribution section is inclined between the transition section and the guide outlet section, and the inner width of the steel distribution section gradually decreases from the transition section to the guide outlet section; the maximum inner width of the steel distribution section is equal to the inner width of the transition section, and the minimum inner width of the steel distribution section is equal to the inner width of the guide outlet section.

2. A bar slitting and rolling runout table device according to claim 1, characterized in that: The length ratio of the entrance horn section, the transition section, the steel distribution section and the guide outlet section is 1-1.5:2-3:6-7:0.5-1.

3. A bar slitting and rolling runout table apparatus as defined in claim 1 wherein: The maximum inner width of the entrance horn section is 1.2-1.5 times the minimum inner width.

4. A bar slitting and rolling runout table apparatus as defined in claim 1 wherein: The groove further comprises a third groove, and the third groove is arranged between the first groove and the second groove.

5. A bar slitting and rolling runout table apparatus as claimed in claim 4 wherein: The third groove is provided with one third groove, and the third groove is horizontally arranged; the central axis of the third groove is collinear with the horizontal axis of the groove; and the inner width of the third groove remains unchanged.

6. A bar slitting and rolling runout table apparatus as defined in claim 4 wherein: The third groove is provided with two third grooves, and the two third grooves are symmetrically arranged with respect to the horizontal axis of the groove; the inner width of the third groove remains unchanged; the third groove comprises an entrance section, an inclined section and an outlet section; the entrance section and the outlet section are horizontally arranged, and the inclined section is arranged between the entrance section and the outlet section; and the inclined section is inclined outward from the entrance section to the outlet section.

7. A bar slitting and rolling runout table apparatus as claimed in claim 6 wherein: The length ratio of the entrance section, the inclined section and the outlet section is 1-1.5:8-9:0.5-1.