CN203695599U - Finish rolling system used for fine grain reinforcing steel bar - Google Patents
Finish rolling system used for fine grain reinforcing steel bar Download PDFInfo
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- CN203695599U CN203695599U CN201320816597.8U CN201320816597U CN203695599U CN 203695599 U CN203695599 U CN 203695599U CN 201320816597 U CN201320816597 U CN 201320816597U CN 203695599 U CN203695599 U CN 203695599U
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- rolling
- fine grain
- finished product
- shaping
- reinforcing bar
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Abstract
The utility model discloses a finish rolling system used for a fine grain reinforcing steel bar, and belongs to the technical field of the steel rolling equipment manufacture. The utility model provides a finish rolling system used for the fine grain reinforcing steel bar, which can be used for eliminating tearing marks on the rolling of segmentation shaping in the section bar rolling process. The finish rolling system comprises a rough shaping rolling mill and a fine shaping rolling mill, wherein the rough shaping rolling mill comprises a rough shaping roller group; the fine shaping rolling mill comprises a fine shaping roller group; the rough shaping rolling mill and the fine shaping rolling mill are arranged in sequence along the rolling direction of the fine grain reinforcing steel bar; the fine rolling system also comprises a finished product rolling machine group of a finished product roller group, wherein the finished product rolling machine group is arranged behind the fine shaping rolling mill along the rolling direction of the fine grain reinforcing steel bar; at least three rows of finished product rolling holes are arranged along the axial direction of the finished product roller group on the finished product roller group; fine grain reinforcing steel bar blank subjected to rough shaping and fine shaping by the rough shaping rolling mill and the fine shaping rolling mill is rolled into the finished product of the fine grain reinforcing steel bar by the finished product rolling holes on the finished product roller group.
Description
Technical field
The utility model relates to a kind of mill system, especially relates to a kind of mill system for fine grain reinforcing bar, belongs to steel rolling equipment manufacturing technology field.
Background technology
Pass schedule just refers in rolling of sectional iron process, is used for limiting the punching system that rolls that groove on adjacent two rolls that cooperatively interact forms that passes through of beam steel shape and size.Described pass schedule designs its size by design specification conventionally, make steel push by pass restriction after become expected shape.On common bar continuous rolling production line, splitting rolling finishing pass sequence is made up of 6 passages conventionally, be finished hole, leader pass, cutting hole, pre-cutting hole, plum blossom hole or rectangular opening, ellipse flat hole composition, also after finished product, wear water even if wear water rolling, so less demanding to pass, this pass schedule can meet regular reinforcement rolling completely, but can not meet fine grain reinforcing bar requirement uniform crystal particles, inside and outside consistent needs.
Produce fine grain reinforcing bar, must adopt multistage controlled rolling and controlled cooling, wherein one section of cold needs of control is near final pass place, between cutting hole and leader pass, wears water control cold.And adopt the rolling material type of cutting of common slitting pass the tearing in point process of postorder, there will be obvious tear trace.If it is cold that this material type with tear trace is worn water control, whole tear-strap will inevitably be even with the centre inhomogeneous cooling of rolled piece, can not meet and control the cold demand of control, causes mill product not reach uniform crystal particles, inside and outside consistent requirement.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of in the operation of rolling of section bar, can eliminate the mill system for fine grain reinforcing bar of the tear trace in the rolling of cutting moulding.
For solving the problems of the technologies described above adopted technical scheme be: for the mill system of fine grain reinforcing bar, comprise the thick shaping milling train that contains thick shaping roll stacks and the finishing shape milling train that contains finishing shape roll stacks, described thick shaping milling train and described finishing shape milling train are disposed in order along the rolling direction of described fine grain reinforcing bar, described mill system also comprises the finisher group that contains polishing roll group, described finisher group is after the rolling direction of described fine grain reinforcing bar is arranged in described finishing shape milling train, in described polishing roll group, be axially provided with at least three along it and line up product rolling hole, the described thick shaping milling train of process and finishing shape milling train complete the fine grain reinforcing bar blank of thick shaping and finishing shape, be rolled into fine grain reinforcing bar finished product by the finished product rolling hole in described polishing roll group.
Be further, described finisher group comprises the thick finisher that is provided with thick polishing roll and the smart finisher that is provided with smart polishing roll, described thick finisher and described smart finisher along the rolling direction order of described fine grain reinforcing bar be arranged in described finishing shape milling train after; Described finished product rolling hole is by the rolling direction along described fine grain reinforcing bar, the finished product rolling hole slot being arranged on described thick polishing roll and smart polishing roll of order forms, complete the fine grain reinforcing bar blank after thick shaping and finishing shape through described thick shaping milling train and finishing shape milling train, the finished product rolling hole slot that passes through to be positioned on described thick polishing roll and smart polishing roll of order is rolled into fine grain reinforcing bar finished product.
Further, in described finishing shape roll stacks, be axially provided with at least three finishing shape rolling holes along it, described finishing shape rolling hole is projected as circle in the axial vertical plane of described finishing shape roll stacks.
The beneficial effects of the utility model are: due to the thick shaping milling train and the finishing shape milling train that milling train before the existing finisher that contains finished hole and leader pass and finished product are set to respectively contain finishing shape roll stacks and contain thick shaping roll stacks, and then after described finishing shape milling train, arrange along the rolling direction of described fine grain reinforcing bar the finisher group that contains polishing roll group.Like this, just can utilize fully milling train before existing finisher and finished product respectively to after cutting, be that the rolled piece described in background technology arranges with the fine grain reinforcing bar blank of tear trace, eliminate the tear trace on described fine grain reinforcing bar blank, thereby make described fine grain reinforcing bar blank wear water control when cold before entering finisher group, can make the cooling relatively even of each position, outside of fine grain reinforcing bar blank and centre, can meet again the cold demand of control of controlling, thereby make mill product reach uniform crystal particles, inside and outside consistent requirement.
Accompanying drawing explanation
Fig. 1 is the structure diagram of the utility model for the mill system of fine grain reinforcing bar;
Fig. 2 is the schematic diagram of the finished roll group that relates to of the utility model.
In figure, be labeled as: thick shaping roll stacks 1, thick shaping milling train 2, finishing shape roll stacks 3, finishing shape milling train 4, polishing roll group 5, finisher group 6, thick polishing roll 7, thick finisher 8, smart polishing roll 9, smart finisher 10, finishing shape rolling hole 11.
The specific embodiment
Be as shown in Figure 1 and Figure 2 the utility model provide a kind of in the operation of rolling of section bar, can eliminate the mill system for fine grain reinforcing bar of the tear trace in the rolling of cutting moulding.Described mill system comprises the thick shaping milling train 2 that contains thick shaping roll stacks 1 and the finishing shape milling train 4 that contains finishing shape roll stacks 3, described thick shaping milling train 2 is disposed in order along the rolling direction of described fine grain reinforcing bar with described finishing shape milling train 4, described mill system also comprises the finisher group 6 that contains polishing roll group 5, described finisher group 6 is after the rolling direction of described fine grain reinforcing bar is arranged in described finishing shape milling train 4, in described polishing roll group 5, be axially provided with at least three along it and line up product rolling hole, the described thick shaping milling train 2 of process and finishing shape milling train 4 complete the fine grain reinforcing bar blank of thick shaping and finishing shape, be rolled into fine grain reinforcing bar finished product by the finished product rolling hole in described polishing roll group 5.Due to the thick shaping milling train 2 and the finishing shape milling train 4 that milling train before the existing finisher that contains finished hole and leader pass and finished product are set to respectively contain thick shaping roll stacks 1 and contain finishing shape roll stacks 3, and then after described finishing shape milling train 4, arrange along the rolling direction of described fine grain reinforcing bar the finisher group 6 that contains polishing roll group.Like this, just can utilize fully milling train before existing finisher and finished product respectively to after cutting, be that the rolled piece described in background technology arranges with the fine grain reinforcing bar blank of tear trace, eliminate the tear trace on described fine grain reinforcing bar blank, thereby make described fine grain reinforcing bar blank wear water control when cold before entering finisher group 6, can make the cooling relatively even of each position, outside of fine grain reinforcing bar blank and centre, can meet again the cold demand of control of controlling, and then to make mill product be that fine grain reinforcing bar finished product described in the application reaches uniform crystal particles, inside and outside consistent requirement.
In order to improve the finished product that can obtain best quality through wearing the described fine grain reinforcing bar blank of water control after cold after by described finisher group 6 rollings, in conjunction with the design feature of existing mill system, described finisher group 6 is also arranged to comprise the thick finisher 8 that is provided with thick polishing roll 7 and the smart finisher 10 that is provided with smart polishing roll 9, described thick finisher 8 and described smart finisher 10 along the rolling direction order of described fine grain reinforcing bar be arranged in described finishing shape milling train 4 after; Described finished product rolling hole is by the rolling direction along described fine grain reinforcing bar, and the finished product rolling hole slot being arranged on described thick polishing roll 7 and smart polishing roll 9 of order forms; Complete the fine grain reinforcing bar blank after thick shaping and finishing shape through described thick shaping milling train 2 and finishing shape milling train 4, the finished product rolling hole slot on described thick polishing roll 7 and smart polishing roll 9 that passes through to be positioned at of order is rolled into fine grain reinforcing bar finished product.It should be noted that, described thick polishing roll 7 and described smart polishing roll 9 can be with reference to the corresponding roll settings of milling train before existing finisher and finished product; Being respectively arranged with finished product rolling hole slot on described thick polishing roll 7 and smart polishing roll 9 can arrange with reference to rolling hole before existing finished hole and finished product, to simplify the structure of the mill system described in the application, reduces manufacturing cost.
In above-mentioned embodiment, in order to simplify the structure of finishing shape roll stacks 3 of described finishing shape milling train 4, in conjunction with the arrangement of the finished hole on the roll of existing finisher, in described finishing shape roll stacks 3, along it, at least three finishing shape rolling holes 11 are axially also set, and described finishing shape rolling hole 11 is arranged in to the circular structure that is projected as in the axial vertical plane of described finishing shape roll stacks 3.Like this, can improve finishing shape roll stacks 3 and remove the cleaning ability of described tear trace, and then improve shaping effect, thereby guarantee that to greatest extent fine grain reinforcing bar blank is wearing each position, outside when cold of water control and the cooling uniformity in centre.
Claims (3)
1. for the mill system of fine grain reinforcing bar, comprise the thick shaping milling train (2) that contains thick shaping roll stacks (1) and the finishing shape milling train (4) that contains finishing shape roll stacks (3), described thick shaping milling train (2) is disposed in order along the rolling direction of described fine grain reinforcing bar with described finishing shape milling train (4), it is characterized in that: described mill system also comprises the finisher group (6) that contains polishing roll group (5), described finisher group (6) is arranged in described finishing shape milling train (4) afterwards along the rolling direction of described fine grain reinforcing bar, in described polishing roll group (5), above being axially provided with at least three along it lines up product rolling hole, the described thick shaping milling train of process (2) and finishing shape milling train (4) complete the fine grain reinforcing bar blank of thick shaping and finishing shape, be rolled into fine grain reinforcing bar finished product by the finished product rolling hole in described polishing roll group (5).
2. the mill system for fine grain reinforcing bar according to claim 1, it is characterized in that: described finisher group (6) comprises the thick finisher (8) that is provided with thick polishing roll (7) and the smart finisher (10) that is provided with smart polishing roll (9), described thick finisher (8) and described smart finisher (10) are arranged in described finishing shape milling train (4) afterwards along the rolling direction order of described fine grain reinforcing bar; Described finished product rolling hole is by the rolling direction along described fine grain reinforcing bar, the finished product rolling hole slot being arranged on described thick polishing roll (7) and smart polishing roll (9) of order forms, complete the fine grain reinforcing bar blank after thick shaping and finishing shape through described thick shaping milling train (2) and finishing shape milling train (4), the finished product rolling hole slot that passes through to be positioned on described thick polishing roll (7) and smart polishing roll (9) of order is rolled into fine grain reinforcing bar finished product.
3. the mill system for fine grain reinforcing bar according to claim 1 and 2, it is characterized in that: be axially provided with at least three finishing shape rolling holes (11) along it described finishing shape roll stacks (3) is upper, described finishing shape rolling hole (11) is axially projected as circle in vertical plane in described finishing shape roll stacks (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816597.8U CN203695599U (en) | 2013-12-11 | 2013-12-11 | Finish rolling system used for fine grain reinforcing steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816597.8U CN203695599U (en) | 2013-12-11 | 2013-12-11 | Finish rolling system used for fine grain reinforcing steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203695599U true CN203695599U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320816597.8U Expired - Fee Related CN203695599U (en) | 2013-12-11 | 2013-12-11 | Finish rolling system used for fine grain reinforcing steel bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203695599U (en) |
-
2013
- 2013-12-11 CN CN201320816597.8U patent/CN203695599U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20151211 |
|
| EXPY | Termination of patent right or utility model |