CN202087582U - Universal mill - Google Patents
Universal mill Download PDFInfo
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- CN202087582U CN202087582U CN2011201496152U CN201120149615U CN202087582U CN 202087582 U CN202087582 U CN 202087582U CN 2011201496152 U CN2011201496152 U CN 2011201496152U CN 201120149615 U CN201120149615 U CN 201120149615U CN 202087582 U CN202087582 U CN 202087582U
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- universal mill
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Abstract
The utility model discloses a universal mill and is characterized in that the universal mill comprises a lubricating device, the lubricating device comprises a lubricant supply unit and a spray nozzle connected with the lubricant supply unit, and the spray nozzle is arranged on a guide and guard plate beam of the universal mill. With the technical scheme, the spray nozzle is arranged on the guide and guard plate beam, so as to fully use space and optimize the lubricating position. Therefore, the universal mill can effectively prevent the formation of oxide scales on the inner side of the feet of the steel rail during the rolling process.
Description
Technical field
The utility model relates to steel rail rolling, more specifically, relates to a kind of universal mill.
Background technology
Adopt the hot-rolling lubricating technology, not only can cut down the consumption of energy, boost productivity, reduce the roll cost and improve strip surface quality, the grain structure of band steel is improved, make it to have desirable deep drawability.Report about the hot-rolling lubricating application study is a lot of in the board rolling scope at present, and the hot rolled strip lubrication technology is used very extensive.But because shaped steel (for example rail) pass complexity, lubricating rollers is difficult to realize.Diclinic degree rail (as rail such as GB60, UIC60, GB43) is meant that the inboard leg surface of rail comprises two rail with the crossing plane of rounding off mode, and this diclinic degree rail accounts for more than 85% of domestic production amount.For diclinic degree rail, use universal mill to be rolled usually.As shown in Figure 1, universal mill comprises horizontal roller 1, following horizontal roller 2 and an opposite roller 3.Do not adopt in rolling (particularly finish rolling) process when lubricating, the phenomenon of iron scale bonding appears in two R of Plane intersects place of inboard leg easily.Therefore, exist product surface to have the problem of iron scale bonding in the prior art.
The utility model content
The purpose of this utility model is the lubrication problem that solves steel rail rolling.
Discover that through inventor of the present utility model intersection R is not the separation that metal flows up and down.In fact, the inboard leg metal can be from the outside of intersection R one side of the web of the rail (promptly away from) crosses intersection R and flows towards the web of the rail.Because shape and the structure of intersection R, metal is piled up at intersection R in flow process easily, temperature is low during finish rolling in addition causes metal flow decline, bonds thereby cause the metal of intersection R to produce relative big friction and form iron scale with roller surface.Under the situation that does not change pass, can bond by adopting lubricant method to eliminate or improving iron scale.
To achieve these goals, the utility model provides a kind of universal mill, and wherein, this universal mill comprises lubricating arrangement, this lubricating arrangement comprises lubricant feed unit and the nozzle that is connected with this lubricant feed unit, and described nozzle is installed on the guide and guard plate-girder of described universal mill.
Preferably, described universal mill comprises horizontal roller, following horizontal roller and an opposite roller, and described nozzle is set to spray towards described upward horizontal roller and described horizontal roller down.
Preferably, described lubricant feed unit comprises water tank, grease-box and mixer, and this mixer comprises water inlet, oil-in and delivery outlet, and described water tank is connected with described water inlet, described grease-box is connected with described oil-in, and described nozzle is connected with described delivery outlet.
Preferably, described lubricant feed unit also comprises the tube connector that connects described nozzle and described delivery outlet, also is provided with pump on the described tube connector.
By technique scheme, nozzle is installed on the guide and guard plate-girder, can make full use of the space and choose favourable lubricated position.In other words, rolled piece enters pass by the guiding of foreplate, by nozzle being installed on the guide and guard plate-girder, and can breaker roll jet lubrication agent when not influencing rolled piece to enter pass.Inboard leg at rail when therefore, universal mill of the present utility model can effectively avoid rolling forms the iron scale bonding.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the pass structure schematic diagram of universal mill;
Fig. 2 is the schematic diagram of the operation of rolling of explanation universal mill of the present utility model.
Description of reference numerals
1: go up horizontal roller 2: following horizontal roller 3: edger roll
4: nozzle 4a: tube connector R: intersection
20: rolled piece
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, under the situation of not doing opposite explanation, the noun of locality of use is as the upper and lower, left and right shown in " upper and lower, left and right " typically refer to reference to the accompanying drawings; " inside and outside " is meant inside and outside with respect to the profile of each parts itself.
Universal mill of the present utility model comprises lubricating arrangement, and this lubricating arrangement comprises lubricant feed unit and the nozzle 4 that is connected with this lubricant feed unit, and described nozzle 4 is installed on the guide and guard plate-girder 5 of described universal mill.
By nozzle 4 is installed on the guide and guard plate-girder 5, can avoid on the one hand when using foreplate (not shown) guiding rolled piece 20 to enter pass, rolled piece 20 being produced interference, can be lubricated at the upstream breaker roll in the rolling zone of roll on the other hand, with further raising lubricant effect.
As shown in Figure 2, described universal mill comprises horizontal roller 1, following horizontal roller 2 and an opposite roller 3 (showing among Fig. 2), can make 4 pairs at nozzle by last horizontal roller 1, the whole pass jet lubrication agent that form of horizontal roller 2 and an opposite roller 3 down, promptly to the equal jet lubrication agent of roll surface of last horizontal roller 1, time horizontal roller 2 and an opposite roller 3.But what form the rail inboard leg mainly is to go up horizontal roller 1 and following horizontal roller 2, and described nozzle 4 is set to towards last horizontal roller 1 and following horizontal roller 2 jet lubrication agent.
The situation of 4 pairs of following horizontal roller 2 jet lubrication agent of nozzle is described below with reference to Fig. 2.Described nozzle 4 is installed on the guide and guard plate-girder 5 of described universal mill, with to described down horizontal roller 2 jet lubrication agent.By this layout, rolled piece 20 can be used as baffle plate, so that the lubricant that nozzle 4 sprays all is injected in down on the horizontal roller 2 basically, and can prevent that lubricant from causing waste all around because of being ejected into.The lubricant that sprays will enter rolling zone with the rotation of following horizontal roller 2, thereby provide lubricant effect between rolled piece 20 and following horizontal roller 2.
Selectively, also can go up horizontal roller 1 jet lubrication agent by 4 pairs at nozzle.In addition, need to prove that universal mill is provided with the cooling device that is used for last horizontal roller 1 and following horizontal roller 2 injection cooling waters.Cooling water is ejected on the roll surface of horizontal roller 1 and following horizontal roller 2 and to roll surface and produces the effect of cooling, subsequently by water fender removal cooling water so that roll surface under anhydrous situation, be rolled.Wash away loss for fear of the lubricant water that is cooled, the lubricant of injection is ejected on the position that turns to the baffle plate downstream of roll (going up horizontal roller 1 and following horizontal roller 2).In other words, the part of roll is earlier through water quench, and the lubricant that provides by nozzle 4 after removing cooling water by baffle plate is lubricated, thereby lubricant is brought into and is rolled.
Wherein, nozzle 4 can also can use the bigger independent nozzle of spray regime, as long as lubricant evenly can be injected on the roll surface for a plurality of.
In addition, lubricant can comprise lubricating oil and water, wherein, and can be as required with the suitable lubricant of proper proportion formulated oil concentration.In the common plate hot rolling, the percent by volume of lubricating oil is 1-5%.For better lubricant effect is provided, can suitably improve the ratio of lubricating oil.Preferably, in the utility model, the percent by volume of lubricating oil can be 10-15% in the lubricant.
More preferably, described lubricant feed unit comprises water tank, grease-box and mixer, and this mixer comprises water inlet, oil-in and delivery outlet, and described water tank is connected with described water inlet, described grease-box is connected with described oil-in, and described nozzle 4 is connected with described delivery outlet.During use, water tank and grease-box provide the water and the lubricating oil of proper proportion respectively to mixer by water inlet and oil-in.Mixer can fully stir to form the uniform lubricant of quality water and the lubricating oil that is provided to wherein, then this lubricant is provided to nozzle 4.Wherein, mixer can be the device with agitating function of various suitable types, and for example mixer can have the motor of stirring vane and this stirring vane of driving.
In addition, described lubricant feed unit also comprises the tube connector 4a that connects described nozzle 4 and described delivery outlet, also is provided with the pump (not shown) on the described tube connector 4a.By this layout, can spray the lubricant of predetermined range, pressure and flow by nozzle 4.For example, the jet length of described nozzle 4 can be 30-80cm, and expulsion pressure can be 0.3-0.5MPa, and injection flow is 1-2L/min.
By using universal mill of the present utility model, can improve roller surface and rolled piece surface state of contact, the resistance of metal flow during with the minimizing deformation of rolled wire, thus greatly reduce the iron oxide bonding of product surface and effectively improved surface quality of products.
Because the iron scale bonding mainly appears in the finish rolling process, therefore, universal mill of the present utility model can be a finishing mill, but also can make the universal mill as roughing mill and/or middle milling train have structure of the present utility model simultaneously, further to avoid the iron scale bonding.
Below describe preferred implementation of the present utility model in conjunction with the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up by any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can make up arbitrarily between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (4)
1. universal mill, it is characterized in that, this universal mill comprises lubricating arrangement, and this lubricating arrangement comprises lubricant feed unit and the nozzle (4) that is connected with this lubricant feed unit, and described nozzle (4) is installed on the guide and guard plate-girder (5) of described universal mill.
2. universal mill according to claim 1, it is characterized in that, described universal mill comprises horizontal roller (1), following horizontal roller (2) and an opposite roller (3), and described nozzle (4) is set to spray towards described upward horizontal roller (1) and described horizontal roller (2) down.
3. universal mill according to claim 1 and 2, it is characterized in that, described lubricant feed unit comprises water tank, grease-box and mixer, this mixer comprises water inlet, oil-in and delivery outlet, described water tank is connected with described water inlet, described grease-box is connected with described oil-in, and described nozzle (4) is connected with described delivery outlet.
4. universal mill according to claim 3 is characterized in that, described lubricant feed unit also comprises the tube connector (4a) that connects described nozzle (4) and described delivery outlet, also is provided with pump on the described tube connector (4a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201496152U CN202087582U (en) | 2011-05-12 | 2011-05-12 | Universal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201496152U CN202087582U (en) | 2011-05-12 | 2011-05-12 | Universal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202087582U true CN202087582U (en) | 2011-12-28 |
Family
ID=45362682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201496152U Expired - Fee Related CN202087582U (en) | 2011-05-12 | 2011-05-12 | Universal mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202087582U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453062A (en) * | 2020-12-29 | 2021-03-09 | 浙江传播者金属装饰材料有限公司 | Rolling mill slipping oil supplementing device and using method thereof |
| CN112692073A (en) * | 2020-12-27 | 2021-04-23 | 浙江传播者金属装饰材料有限公司 | Device for preventing rolling mill from slipping and using method thereof |
-
2011
- 2011-05-12 CN CN2011201496152U patent/CN202087582U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692073A (en) * | 2020-12-27 | 2021-04-23 | 浙江传播者金属装饰材料有限公司 | Device for preventing rolling mill from slipping and using method thereof |
| CN112453062A (en) * | 2020-12-29 | 2021-03-09 | 浙江传播者金属装饰材料有限公司 | Rolling mill slipping oil supplementing device and using method thereof |
| CN112453062B (en) * | 2020-12-29 | 2021-07-06 | 浙江传播者金属装饰材料有限公司 | Rolling mill slipping oil supplementing device and using method thereof |
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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: 20111228 Termination date: 20170512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |