CN216882056U

CN216882056U - Online sizing and segmenting device for hot-rolled bar

Info

Publication number: CN216882056U
Application number: CN202220518434.0U
Authority: CN
Inventors: 王宗斌; 王子帆; 尹崇丽; 闫晗; 孙相中; 李浩秋; 吴兆华; 郭磊; 李玉华
Original assignee: Shandong Iron and Steel Co Ltd
Current assignee: Shandong Iron and Steel Co Ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-05
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses an online sizing and segmenting device for a hot-rolled bar, which comprises a transport roller way for conveying the bar, a flush head part arranged at the end part of the transport roller way, and at least two groups of sizing and sawing assemblies arranged at the side part of the transport roller way, wherein each sizing and sawing assembly is arranged along the extension direction of the transport roller way; the flush head component is arranged on the feeding side of the conveying roller way. According to the on-line sizing and segmenting device for the hot-rolled bars, the end aligning component can perform end aligning on a plurality of bars, the length deviation is avoided, the sizing and sawing components can perform accurate length sizing according to the segmenting requirements of the bars and perform sawing, and the sawing efficiency can be improved through grouping operation by the arrangement of at least two groups of sizing and sawing components.

Description

Online sizing and segmenting device for hot-rolled bar

Technical Field

The utility model relates to the field of steel rolling production, in particular to an online sizing and segmenting device for a hot-rolled bar.

Background

In the bar hot rolling process, after the blank is rolled into a final bar finished product, a sawing machine is required to cut the head and the tail and accurately saw and cut the sections according to the length requirement of a fixed length.

The length of the rod is uniformly segmented according to the user demand and the rolled length of the rod, so that the rod is bundled and packaged, the end of the rod is neat, and the rod has important significance in improving the appearance image. On the other hand, the sawing efficiency of the bar must be matched with the rolling efficiency, cooling of a cooling bed and the like, otherwise, the production efficiency of the whole rolling line can be directly influenced, so that the reasonable sawing method and the accurate sizing device are reasonably matched, the matching with the rolling rhythm can be flexibly ensured, the maintenance of equipment can be reduced, and the production stop and the like when the equipment is damaged can be avoided.

Therefore, how to effectively improve the cutting efficiency and precision of the hot-rolled bar is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an online sizing and segmenting device for a hot-rolled bar, which is used for reducing the waste of materials and improving the segmenting precision and efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme:

an online sizing and segmenting device for a hot-rolled bar comprises a conveying roller way for conveying the bar, a flush component arranged at the end part of the conveying roller way, and at least two groups of sizing and sawing components arranged at the side part of the conveying roller way, wherein each sizing and sawing component is arranged along the extension direction of the conveying roller way; the flush head component is arranged on the feeding side of the conveying roller way.

Preferably, the fixed length saw cutting assembly has at least four groups, and at least two groups the fixed length saw cutting assembly can saw the bar simultaneously.

Preferably, the number of the bars is multiple, and the bars are arranged on the conveying roller way in parallel; the head aligning component can stretch to the upper part of the conveying roller way to enable the ends of the bars to be aligned.

Preferably, the length-measuring sawing assembly further comprises at least one sampling device, and the sampling device is mounted on one side of the length-measuring sawing assembly.

Preferably, the number of the sampling devices is two, and the two sampling devices are respectively positioned at one side of the different sizing and sawing assemblies.

Preferably, the fixed-length sawing component comprises a sawing machine and a fixed-length machine, and a graduated scale and a fixed-length baffle are arranged on the fixed-length machine.

The utility model provides an online sizing and segmenting device for a hot-rolled bar, which comprises a conveying roller way for conveying the bar, a flush head part arranged at the end part of the conveying roller way, and at least two groups of sizing and sawing assemblies arranged at the side part of the conveying roller way, wherein each sizing and sawing assembly is arranged along the extension direction of the conveying roller way; the flush head component is arranged on the feeding side of the conveying roller way. According to the on-line sizing and segmenting device for the hot-rolled bars, the end aligning component can perform end aligning on a plurality of bars, the length deviation is avoided, the sizing and sawing components can perform accurate length sizing according to the segmenting requirements of the bars and perform sawing, and the sawing efficiency can be improved through grouping operation by the arrangement of at least two groups of sizing and sawing components.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of an on-line sizing and segmenting device for hot-rolled bars according to the present invention;

wherein: 1-a first saw; 2-a second saw; 3-a third saw; 4-a fourth saw; 5-a first sizing machine; 6-a second sizing machine; 7-a third shear gauge; 8-a fourth shear gauge; 9-a flush component; 10-a first sampling device; 11-a second sampling device; 12-transport roller table.

Detailed Description

The core of the utility model is to provide an online sizing and segmenting device for hot rolled bars, which is used for reducing the waste of materials and improving the segmenting precision and efficiency.

In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of an on-line sizing and sectioning apparatus for hot rolled bars according to the present invention.

In this embodiment, the hot rolled bar on-line sizing and sectioning device comprises a transport table 12, a flush head member 9 and at least two sets of sizing and sawing assemblies.

The device comprises a conveying roller way 12, a leveling component 9, at least two groups of fixed-length sawing components and a leveling component, wherein the conveying roller way 12 is used for conveying bars, the leveling component 9 is installed at the end part of the conveying roller way 12 and used for leveling the end part of each bar, the at least two groups of fixed-length sawing components are installed on the side part of the conveying roller way 12, and the fixed-length sawing components are arranged along the extending direction of the conveying roller way 12; the head aligning component 9 is arranged on the material receiving side of the conveying roller way 12, and the head aligning component 9 performs head aligning operation on the end parts of a plurality of bars, so that the cutting loss of the sawing machine is reduced.

According to the on-line sizing and segmenting device for the hot-rolled bars, the end aligning component 9 can align the ends of a plurality of bars, the length deviation is avoided, the sizing and sawing components can precisely size the length according to the segmenting requirement of the bars and saw, and the sawing efficiency can be improved through grouping operation by the arrangement of at least two groups of sizing and sawing components.

On the basis of each embodiment, the fixed length saw cuts the subassembly and has four at least groups, and just two sets of fixed lengths saw cuts the subassembly and can saw cut the rod simultaneously, and the multiunit fixed length saw cuts the subassembly and can carry out the sawing machine to the rod and cut the segmentation. Specifically, the fixed-length sawing component comprises a first fixed-length sawing component, a second fixed-length sawing component, a third fixed-length sawing component and a fourth fixed-length sawing component; the first fixed-length sawing component, the second fixed-length sawing component, the third fixed-length sawing component and the fourth fixed-length sawing component are sequentially arranged along the conveying direction of the conveying roller bed 12.

On the basis of the above embodiments, the number of the bars is plural, and the bars are arranged on the transportation roller table 12 in parallel; the flushing head unit 9 is telescoped to the upper part of the conveyor table 12 to flush the ends of the bars. Specifically, before the bar is transported onto the transporting roller 12, the head aligning member 9 is extended to the upper part of the transporting roller 12 to block the bar; and the head aligning member 9 can be moved to the bottom of the conveying roller 12 to avoid the bars. Further, the alignment part 9 includes a cylinder and a plate body, the cylinder can drive the plate body to move up and down, the surface of the plate body should be perpendicular to the extending direction of the conveying roller table 12, so as to ensure that the end of each bar can contact the plate body, and further, the alignment purpose is realized.

On the basis of each embodiment, the steel sample sawing device further comprises at least one sampling device, wherein the sampling device is arranged on one side of the fixed length sawing component, and can be used for sample sawing and preparation of steel materials in each furnace by a sample sawing machine.

On the basis of the above embodiments, the number of the sampling devices is two, and the two sampling devices are respectively positioned at one side of different sizing and sawing assemblies. Specifically, when two sampling devices are provided, a first sampling device 10 and a second sampling device 11 are provided, and the first sampling device 10 and the second sampling device 11 are respectively located at one side of different sizing and sawing assemblies for standby.

On the basis of the above embodiments, the fixed-length sawing component comprises a sawing machine and a fixed-length machine, preferably, the sawing machines in the fixed-length sawing components are preferably of the same specification, so that the maintenance is convenient, and the equipment maintenance cost is reduced; the fixed-length machine is provided with a graduated scale and a fixed-length baffle, the fixed-length machine is arranged behind the sawing machine, and the fixed-length of the bar can be reflected through the movement adjustment of the fixed-length baffle; the sizing baffles can be lifted and lowered, and fall on the conveying roller way 12 when needed and are lifted when not used.

Specifically, the online fixed-length segmenting device for the hot rolled bar comprises the following steps of:

step S1: when each bar moves to the conveying roller table 12, the head aligning component 9 is controlled to act, and the head aligning operation is carried out on the bar;

step S2: determining a target fixed-length sawing component required to be used according to a preset sawing mode;

step S3: determining the size and position of each target by adopting a target sizing and sawing component;

step S4: the sawing operation is performed at the target size position of the bar.

Further, the target sizing and sawing assembly comprises a first target sizing and sawing assembly and a second target sizing and sawing assembly; step S3 includes:

controlling the bar to move along the conveying roller table 12;

controlling a first target sizing and sawing assembly to determine a first target size position of the bar;

controlling the bar to continuously move along the conveying roller table 12;

controlling a second target sizing and sawing assembly to determine a second target size and position of the bar;

controlling a saw machine in the first target sizing and sawing assembly to move to a first target size position, and controlling a saw machine in the second target sizing and sawing assembly to move to a second target size position;

the bar is fixed and sawing action is performed on the bar.

Further, in step S2, the preset sawing manner may be that all the sizing sawing components saw simultaneously, or that some of the sizing sawing components saw simultaneously, preferably the sizing sawing components distributed at intervals.

Preferably, the number of the fixed-length sawing components is even, and the target fixed-length sawing components are arranged at intervals. When the number of the fixed-length sawing components is even, a standby component can be provided for each target fixed-length sawing component, and the sawing reliability is improved.

In one embodiment, as shown in fig. 1, the on-line sizing and segmenting device for the hot-rolled bar comprises a flush head part 9, a first saw 1, a second saw 2, a third saw 3, a fourth saw 4, a first sampling part, a first sizing machine 5, a second sampling part, a second sizing machine 6, a third sizing machine 7 and a fourth sizing machine 8 which are all arranged on a straight line section of a rolling line; the head aligning component 9 is arranged in the front of the first sawing machine 1, the position of each sawing machine is adjustable, and head aligning operation is carried out on the end parts of a plurality of bars; the first saw machine 1, the second saw machine 2, the third saw machine 3 and the fourth saw machine 4 are all special saw machines and have the same specification; the bar can be cut into sections by a sawing machine; the first sizing machine 5, the second sizing machine 6, the third sizing machine 7 and the fourth sizing machine 8 are respectively arranged at the rear sides of the first saw machine 1, the second saw machine 2, the third saw machine 3 and the fourth saw machine 4, so that the length of the bar can be accurately sized; the first sampling component and the second sampling component can be used for carrying out sample sawing and preparation on steel materials in each furnace, and the second sampling component is used for standby; the first sawing machine 1, the second sawing machine 2, the third sawing machine 3 and the fourth sawing machine 4 can be matched with the first sizing machine 5, the second sizing machine 6, the third sizing machine 7 and the fourth sizing machine 8, and can be used simultaneously by a single or multiple sawing machines according to the production rhythm to be flexibly combined; the cutting operation of the sawing machine can be carried out according to modes such as 4321, 321 or 21, namely, the cutting operation of the sawing machine is carried out simultaneously according to 4 times of fixed length, 3 times of fixed length, 2 times of fixed length, 1 time of fixed length and the like, or 4211 sawing machines are adopted for non-simultaneous but continuous cutting operation of the sawing machine, and the fixed length segmentation of the bar is realized through the fixed length baffle of the fixed length machine and the movement adjustment of the sawing machine;

specifically, take a fixed length of 6 meters of bar length, a total bar length of 97 meters, a phi 60mm specification, and 9 rolled bars of blank as an example; the 9 rolled stocks can be cut by a row saw at the same time, and the grouping mode is as follows:

mode one, four saws work simultaneously, i.e. 4321 mode: the rod is conveyed to the end aligning component 9 by the conveying roller way 12 to be aligned with the end, then the rod is cut by the first sawing machine 1 for 500mm, the rod after being cut is conveyed to the fourth sizing machine 8 to be sized for 6 meters by 1 time, meanwhile, the third sizing machine 7 is sized for 2 times, namely 12 meters, the second sizing machine 6 is sized for 3 times, namely 18 meters, the first sizing machine 5 is sized for 4 times, namely 24 meters, after the sized length is determined, the first sawing machine 1, the second sawing machine 2, the third sawing machine 3 and the fourth sawing machine 4 are simultaneously sawed, and by analogy, the first sawing machine 1 is used for rod tail cutting operation.

Mode two, each saw is operated continuously but not cutting the saw at the same time, i.e. 4211 mode: the bar is conveyed to the end aligning component 9 by the conveying roller way 12 to be aligned at the end, the bar is cut by 500mm by the first sawing machine 1, the bar is conveyed to the second sawing machine 2 to be cut to 2 times of fixed length, at the moment, the first sawing machine 1 does not saw, only the second sawing machine 2 saw, and then the bar is conveyed to the third sawing machine 3 and the fourth sawing machine 4, meanwhile, the first sawing machine 1 cuts 4 times of fixed length, each sawing machine of the third sawing machine 3 or the fourth sawing machine 4 cuts 1 time of fixed length, and the operation is circulated in sequence, and each sawing machine works independently. It should be noted that because the position of each saw can be adjusted, the length of the fixed length between different saws can be displayed on the computer monitor, and when sawing is carried out simultaneously, the fixed length baffle is not used independently.

Of course, during the specific operation, the number of the sawing machines and the number of the sizing machines can be properly adjusted according to the working efficiency of the rolling line.

The hot rolled bar on-line sizing and segmenting device provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The on-line sizing and segmenting device for the hot rolled bar is characterized by comprising a conveying roller way (12) for conveying the bar, a head aligning component (9) installed at the end part of the conveying roller way (12) and at least two groups of sizing and sawing components installed on the side part of the conveying roller way (12), wherein the sizing and sawing components are arranged along the extending direction of the conveying roller way (12); the flush head component (9) is arranged on the feeding side of the conveying roller way (12).

2. The hot rolled bar on-line sizing and sectioning device according to claim 1, wherein the sizing and sawing assemblies have at least four groups, and at least two groups of the sizing and sawing assemblies can saw the bar at the same time.

3. An on-line sizing and sectioning device of hot-rolled bars according to claim 1, characterised in that said bars are in a plurality, arranged in parallel on said transport table (12); the head aligning component (9) can stretch to the upper part of the conveying roller way (12) to enable the ends of the bars to be aligned.

4. The hot rolled bar on-line sizing and sectioning device according to claim 1, further comprising at least one sampling device mounted on one side of the sizing and sawing assembly.

5. The on-line sizing and segmenting device for the hot-rolled bars according to claim 4, wherein the number of the sampling devices is two, and the two sampling devices are respectively positioned at one side of different sizing and sawing assemblies.

6. The on-line sizing and segmenting device for the hot-rolled bars according to any one of claims 1 to 5, characterized in that the sizing and sawing assembly comprises a saw and a sizing machine, and a graduated scale and a sizing baffle are arranged on the sizing machine.