CN208680168U - A kind of working roll edge heating device of aluminum cold-strip mill rotation - Google Patents
A kind of working roll edge heating device of aluminum cold-strip mill rotation Download PDFInfo
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- CN208680168U CN208680168U CN201821263737.2U CN201821263737U CN208680168U CN 208680168 U CN208680168 U CN 208680168U CN 201821263737 U CN201821263737 U CN 201821263737U CN 208680168 U CN208680168 U CN 208680168U
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- working roll
- spray beam
- roll
- hot oil
- supply system
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Abstract
The utility model discloses a kind of working roll edge heating devices of aluminum cold-strip mill rotation, uncoiler and coiling machine including being located at milling train two sides, upper backup roll in milling train, top working roll, bottom working roll and lower backing roll, ROLLING OIL supply system, the uncoiling pusher side of the top working roll is equipped with top working roll spray beam group, the uncoiling pusher side of bottom working roll is equipped with bottom working roll spray beam group, the uncoiling pusher side of upper backup roll is equipped with upper backup roll spray beam, it further include hot oil supply system, wherein the nozzle of top working roll spray beam group and the nozzle of bottom working roll spray beam group are connected with hot oil supply system and ROLLING OIL supply system respectively, the nozzle of upper backup roll spray beam is connected with ROLLING OIL supply system.The utility model structure is simple, carries out additional temperature compensation to roll edge, improves flatness defect, improves product quality.
Description
Technical field
The utility model relates to aluminum strips to roll field, and in particular to a kind of working roll edge heating of aluminum cold-strip mill rotation
Device.
Background technique
In aluminum strip cold-rolling process, since the heat radiation of working roll edge is greater than the heat radiation at middle part, meeting
Leading to working roll edge and middle part, there are temperature differences, i.e. working roll edge temperature is lower than middle portion temperature, so that working roll side
The roll thermal crown in portion and the roll thermal crown at middle part are different, and the roll thermal crown of edge is significantly less than the roll thermal crown at middle part, so that strip side
The drafts in portion is less than the drafts at middle part, and then leads to occur the tight phenomenon in side in the aluminum strip operation of rolling, seriously affects band
Plate shape, even result in the accidents such as disconnected band.
Application No. is 201720419092.6 utility model disclose it is a kind of for the online of cold rolling or warm-rolling working roll
Heating device, mainly by air inlet duct, the air heater being connect with air inlet duct, connect on air heater
Hot air delivery pipe, the hot-air distribution pipe being connect with hot air delivery pipe, the top nozzle being connect with hot-air distribution pipe and under
At the regulating valve two that is connected in the regulating valve one that is connected on nozzle, air inlet duct, hot-air distribution pipe, air heater outlet
Thermometer composition.The utility model can make nozzle directly be directed at upper working rolls and lower working rolls heating, and heating speed is fast, along working roll transverse direction
Temperature is uniformly and stable, improves unit service life and product quality, easily implements.But the utility model be it is whole to working roll into
Row heating can not carry out temperature-compensating for working roll edge.
Utility model content
In view of the above problems, the purpose of the utility model is to provide a kind of heating of the working roll edge of aluminum cold-strip mill rotation to fill
It sets.Temperature-compensating can be carried out for working roll edge, be led to solve working roll edge in the course of work with middle part heat radiation difference
The problems such as Strip Shape defect caused by the work roll thermal crown difference of cause and disconnected band.
To achieve the above object, the utility model uses following technical scheme:
A kind of working roll edge heating device of aluminum cold-strip mill rotation, uncoiler and volume including being located at milling train two sides
Machine is taken, the upper backup roll being sequentially arranged from top to bottom in milling train, top working roll, bottom working roll and lower backing roll further include hot oil
The uncoiling pusher side of supply system and ROLLING OIL supply system, the top working roll is equipped with top working roll spray beam group, bottom working roll
Uncoiling pusher side be equipped with bottom working roll spray beam group, the uncoiling pusher side of upper backup roll is equipped with upper backup roll spray beam, the upper work
Making roller spray beam group is the upward concave-shaped structure of fossaperturate, bottom working roll spray beam group and top working roll spray beam group water each other
Flat symmetrical structure, wherein the nozzle of top working roll spray beam group is connected with hot oil supply system and ROLLING OIL supply system respectively,
The nozzle of bottom working roll spray beam group is connected with hot oil supply system and ROLLING OIL supply system respectively, upper backup roll spray beam
Nozzle is connected with ROLLING OIL supply system.
Further, top working roll spray beam group is respectively top working roll hot oil spray beam, top working roll spray from top to bottom
She Liang and upper roll gap spray beam, wherein top working roll spray beam and upper roll gap spray beam are respectively provided with the spray that a row is set side by side
Respectively there are one group of top working roll hot oil spray beam, every group of top working roll hot oil spray beam in mouth, the top at top working roll spray beam both ends
On also all have nozzle, the fossaperturate of concave shape is formed between two groups of top working roll hot oil spray beams, all nozzles are towards upper
Working roll side.
Further, top working roll spray beam and upper roll gap spray beam are connected with ROLLING OIL supply system, the upper work
Make roller hot oil spray beam to be connected with hot oil supply system.
Further, bottom working roll spray beam group is respectively bottom working roll hot oil spray beam, bottom working roll spray from bottom to up
She Liang and lower roll gap spray beam, wherein bottom working roll spray beam and lower roll gap spray beam are respectively provided with the spray that a row is set side by side
Respectively there are one group of bottom working roll hot oil spray beam, every group of bottom working roll hot oil spray beam in mouth, the lower section at bottom working roll spray beam both ends
Under also all have nozzle, the fossaperturate of concave shape is formed between two groups of bottom working roll hot oil spray beams, all nozzles are under
Working roll side.
Further, bottom working roll spray beam and lower roll gap spray beam are connected with ROLLING OIL supply system respectively, lower work
Roller hot oil spray beam is connected with hot oil supply system.
Further, the nozzle for having a row to be set side by side in upper backup roll spray beam, nozzle is towards upper backup roll side.
The utility model has the beneficial effects that: being carried out by upper and lower two groups of work roll thermal oil spurts beams to working roll edge
Hot oil injection, improving leads to flatness defect caused by roller heat convex degree learning difference since working roll edge heat dissipation is too fast.
Detailed description of the invention
The utility model is described in further details below with reference to accompanying drawings and embodiments；
Fig. 1 is the utility model structure chart；
Fig. 2 is the utility model top working roll spray beam group structure chart；
Fig. 3 is the utility model bottom working roll spray beam group structure chart.
1, top working roll in figure；2, upper backup roll；3, bottom working roll；4, lower backing roll；5, top working roll spray beam group；5-
1, top working roll hot oil spray beam；5-2, top working roll spray beam；5-3, upper roll gap spray beam；6, bottom working roll spray beam group；
6-1, bottom working roll hot oil spray beam；6-2, bottom working roll spray beam；6-3, lower roll gap spray beam；7, upper backup roll spray beam；
8, coiling machine；9, uncoiler；10, hot oil supply system；11, ROLLING OIL supply system.
Specific embodiment
Embodiment 1
As shown in Figure 1, a kind of working roll edge heating device of aluminum cold-strip mill rotation, including being located at milling train two sides
Uncoiler 9 and coiling machine 8, upper backup roll 2, top working roll 1, bottom working roll 3 and the lower branch being sequentially arranged in milling train from top to bottom
Roller 4, including hot oil supply system 10 and ROLLING OIL supply system 11 are supportted, 9 side of uncoiler of the top working roll 1 is equipped with upper work
9 side of uncoiler of roller spray beam group 5, bottom working roll 3 is equipped with bottom working roll spray beam group 6, and 9 side of uncoiler of upper backup roll 2 is set
There is upper backup roll spray beam 7, the top working roll spray beam group 5 is the upward concave-shaped structure of fossaperturate, bottom working roll injection
Beam group 6 and top working roll spray beam group 5 horizontal symmetrical structure each other, wherein the nozzle of top working roll spray beam group 5 respectively with heat
Oily supply system 10 is connected with ROLLING OIL supply system 11, the nozzle of bottom working roll spray beam group 6 respectively with hot oil supply system
10 are connected with ROLLING OIL supply system 11, and the nozzle of upper backup roll spray beam 7 is connected with ROLLING OIL supply system 11.
ROLLING OIL is transported to top working roll spray beam group 5 by pump by the ROLLING OIL supply system 11, bottom working roll sprays
Penetrate in beam group 6 and upper backup roll spray beam 7, and sprayed by nozzle to roll, in the operation of rolling roll and band carry out
Lubrication and cooling.Wherein top working roll spray beam group 5, bottom working roll spray beam group 6 and upper backup roll spray beam 7 are respectively to upper work
Make roller 1, bottom working roll 3 and upper backup roll 2 are lubricated cooling, and from the ROLLING OIL that bottom working roll spray beam group 6 sprays to
Under flow on lower backing roll 4, also lower backing roll 4 is lubricated and has been cooled down.
The hot oil supply system 10 passes through pump after heating ROLLING OIL and is transported to top working roll spray beam group 5, lower work
In roller spray beam group 6, top working roll 1 and bottom working roll 3 are heated.The hot oil supply system and ROLLING OIL supply system
It is all made of the prior art, here techniques well known, is just not described in detail here.
Embodiment 2
As shown in Fig. 2, the top working roll spray beam group 5 is respectively upper work from top to bottom on the basis of embodiment 1
Roller hot oil spray beam 5-1, top working roll spray beam 5-2 and upper roll gap spray beam 5-3, wherein top working roll spray beam 5-2 and upper
Roll gap spray beam 5-3 is respectively provided with the nozzle that a row is set side by side, and the top at the both ends top working roll spray beam 5-2 respectively has one group
Also nozzle, two groups of top working roll heat are all had on top working roll hot oil spray beam 5-1, every group of top working roll hot oil spray beam 5-1
The fossaperturate of concave shape is formed between oil spurts beam 5-1, all nozzles are towards 1 side of top working roll.
As shown in figure 3, top working roll spray beam group 5 can be divided into 3 parts, be respectively top working roll hot oil spray beam 5-1, on
Working roll spray beam 5-2 and upper roll gap spray beam 5-3.Top working roll spray beam 5-2 therein and upper roll gap spray beam 5-3 with roll
Liquefaction supply system 11 be connected, in work roll and band injection ROLLING OIL be lubricated cooling.The spray of top working roll hot oil
It penetrates beam 5-1 and shares 2 groups, be connected positioned at the top at the both ends top working roll spray beam 5-2, and with hot oil supply system 10, will heat
ROLLING OIL afterwards is ejected into roll edge, the heat of compensation roll edge loss, so that roll bulk temperature is consistent.
The bottom working roll spray beam group 6 is respectively bottom working roll hot oil spray beam 6-1, bottom working roll injection from bottom to up
Beam 6-2 and lower roll gap spray beam 6-3, wherein bottom working roll spray beam 6-2 and lower roll gap spray beam 6-3 are respectively provided with a row simultaneously
Arrange the nozzle of setting, respectively there is one group of bottom working roll hot oil spray beam 6-1 in the lower section at the both ends bottom working roll spray beam 6-2, under every group
Also nozzle is all had under work roll thermal oil spurts beam 6-1, forms the recessed of concave shape between two groups of bottom working roll hot oil spray beam 6-1
Swallow, all nozzles are towards 3 side of bottom working roll.
Bottom working roll spray beam group 6 can be divided into 3 parts, be bottom working roll hot oil spray beam 6-1, bottom working roll injection respectively
Beam 6-2 and lower roll gap spray beam 6-3.Bottom working roll spray beam 6-2 therein and lower roll gap spray beam 6-3 and ROLLING OIL supply are
System 11 be connected, in work roll and band injection ROLLING OIL be lubricated cooling.Bottom working roll hot oil spray beam 6-1 is shared
2 groups, it is connected positioned at the lower section at the both ends bottom working roll spray beam 6-2, and with hot oil supply system 10, the ROLLING OIL after heating is sprayed
It is mapped to roll edge, the heat of compensation roll edge loss, so that roll bulk temperature is consistent.
The nozzle for having a row to be set side by side in the upper backup roll spray beam 7, nozzle is towards 2 side of upper backup roll.
Wherein, every group of top working roll hot oil spray beam 5-1 and bottom working roll hot oil spray beam 6-1 have multiple nozzles with right
The band of different in width sprays hot oil, when processing the band of different in width, using 3 nozzles closest to strip side portion come into
The injection of row hot oil.
When in use, band enters from 9 side of uncoiler, is rolled by top working roll 1 and bottom working roll 3, rolls at this time
ROLLING OIL is transported to upper backup roll spray beam 7, bottom working roll spray beam 6-2, lower roll gap by pump and sprayed by liquefaction supply system 11
Penetrate in beam 6-3, top working roll spray beam 5-2 and upper roll gap spray beam 5-3, and under the action of pump by ROLLING OIL by upper backup roll
Spray beam 7, bottom working roll spray beam 6-2, lower roll gap spray beam 6-3, top working roll spray beam 5-2 and upper roll gap spray beam 5-3
On nozzle in spray, top working roll 1, bottom working roll 3, upper backup roll 2 and lower backing roll 4 are cooled down and are lubricated.Simultaneously
ROLLING OIL pump after heating is delivered to bottom working roll hot oil spray beam 6-1 to hot oil supply system 10 and top working roll hot oil sprays
It penetrates in beam 5-1 and is sprayed by nozzle, the edge of bottom working roll 3 and top working roll 1 is heated, due to the ROLLING OIL after heating
Temperature is higher than rolling oil temperature, and it is low with the too fast caused edge temperature of 1 edge of top working roll heat dissipation can to supplement bottom working roll 3
The problem of, so that bottom working roll 3 and 1 edge of top working roll are identical as the roll thermal crown at middle part, to solve by roll thermal crown
Plate shape problem caused by difference.
The well-known components and common structure of component and the structure category industry that the present embodiment does not describe in detail or common hand
Section, does not describe one by one here.
Claims (6)
1. a kind of working roll edge heating device of aluminum cold-strip mill rotation, including be located at milling train two sides uncoiler (9) and
Coiling machine (8), upper backup roll (2), top working roll (1), bottom working roll (3) and the lower support being sequentially arranged in milling train from top to bottom
Roller (4), it is characterised in that: it further include hot oil supply system (10) and ROLLING OIL supply system (11), the top working roll (1)
Uncoiler (9) side is equipped with top working roll spray beam group (5), and uncoiler (9) side of bottom working roll (3) is equipped with bottom working roll spray beam
Uncoiler (9) side of group (6), upper backup roll (2) is equipped with upper backup roll spray beam (7), and the top working roll spray beam group (5) is
The upward concave-shaped structure of fossaperturate, bottom working roll spray beam group (6) and top working roll spray beam group (5) horizontal symmetrical knot each other
Structure, wherein the nozzle of top working roll spray beam group (5) respectively with hot oil supply system (10) and ROLLING OIL supply system (11) phase
Even, the nozzle of bottom working roll spray beam group (6) is connected with hot oil supply system (10) and ROLLING OIL supply system (11) respectively, on
The nozzle of support roller spray beam (7) is connected with ROLLING OIL supply system (11).
2. a kind of working roll edge heating device of aluminum cold-strip mill rotation according to claim 1, it is characterised in that: described
Top working roll spray beam group (5) is respectively top working roll hot oil spray beam (5-1), top working roll spray beam (5-2) from top to bottom
With upper roll gap spray beam (5-3), wherein top working roll spray beam (5-2) and upper roll gap spray beam (5-3) are respectively provided with a row
Respectively there are one group of top working roll hot oil spray beam (5-1) in the nozzle being set side by side, the top at the both ends top working roll spray beam (5-2),
Also nozzle is all had on every group of top working roll hot oil spray beam (5-1), is formed between two groups of top working roll hot oil spray beams (5-1)
The fossaperturate of concave shape, all nozzles are towards top working roll (1) side；
Every group of top working roll hot oil spray beam (5-1) have multiple nozzles with to different in width band spray hot oil, when processing not
With width band when, carry out hot oil injection using closest to 3 nozzles of strip side portion.
3. a kind of working roll edge heating device of aluminum cold-strip mill rotation according to claim 2, it is characterised in that: described
Top working roll spray beam (5-2) and upper roll gap spray beam (5-3) are connected with ROLLING OIL supply system (11), the top working roll
Hot oil spray beam (5-1) is connected with hot oil supply system (10).
4. a kind of working roll edge heating device of aluminum cold-strip mill rotation according to claim 1, it is characterised in that: described
Bottom working roll spray beam group (6) is respectively bottom working roll hot oil spray beam (6-1), bottom working roll spray beam (6-2) from bottom to up
With lower roll gap spray beam (6-3), wherein bottom working roll spray beam (6-2) and lower roll gap spray beam (6-3) are respectively provided with a row
Respectively there are one group of bottom working roll hot oil spray beam (6-1) in the nozzle being set side by side, the lower section at the both ends bottom working roll spray beam (6-2),
Also nozzle is all had under every group of bottom working roll hot oil spray beam (6-1), is formed between two groups of bottom working roll hot oil spray beams (6-1)
The fossaperturate of concave shape, all nozzles are towards bottom working roll (3) side；
Every group of bottom working roll hot oil spray beam (6-1) have multiple nozzles with to different in width band spray hot oil, when processing not
With width band when, carry out hot oil injection using closest to 3 nozzles of strip side portion.
5. a kind of working roll edge heating device of aluminum cold-strip mill rotation according to claim 4, it is characterised in that: described
Bottom working roll spray beam (6-2) and lower roll gap spray beam (6-3) are connected with ROLLING OIL supply system (11) respectively, bottom working roll heat
Oil spurts beam (6-1) is connected with hot oil supply system (10).
6. a kind of working roll edge heating device of aluminum cold-strip mill rotation according to claim 1, it is characterised in that: described
The nozzle for having a row to be set side by side in upper backup roll spray beam (7), nozzle is towards upper backup roll (2) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263737.2U CN208680168U (en) | 2018-08-07 | 2018-08-07 | A kind of working roll edge heating device of aluminum cold-strip mill rotation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263737.2U CN208680168U (en) | 2018-08-07 | 2018-08-07 | A kind of working roll edge heating device of aluminum cold-strip mill rotation |
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| CN208680168U true CN208680168U (en) | 2019-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655175A (en) * | 2018-08-07 | 2018-10-16 | 中国重型机械研究院股份公司 | A kind of the working roll edge heating device and method of aluminum cold-strip mill rotation |
-
2018
- 2018-08-07 CN CN201821263737.2U patent/CN208680168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655175A (en) * | 2018-08-07 | 2018-10-16 | 中国重型机械研究院股份公司 | A kind of the working roll edge heating device and method of aluminum cold-strip mill rotation |
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