CN220864289U - Continuous casting and rolling tundish inner core die - Google Patents

Abstract

The utility model discloses a continuous casting and rolling tundish inner core die, which relates to the technical field of tundish dies and comprises a die large split and a die small split, wherein the die large split and the die small split are of box-shaped structures with hollow interiors and open tops, the front side and the rear side of the die small split are respectively provided with one die large split, and the front side and the rear side of the die small split are respectively connected with the corresponding die large split through a disassembly assembly. This continuous casting and rolling tundish inner core mould changes the original one into two big one little three components of a whole body, adds two lugs on every components of a whole body, and is fixed with the double-screw bolt in the middle and irrigates again, tears the double-screw bolt of fixing earlier during the drawing of patterns, hangs away little components of a whole body earlier with the driving, hangs away two big components of a whole body again respectively, greatly reduced the drawing of patterns time, the new tundish inner wall that irrigates out is smooth without the fracture, has improved the life cycle of tundish, has promoted product quality, has saved a lot of costs.

Description

Continuous casting and rolling tundish inner core die

Technical Field

The utility model relates to the technical field of tundish moulds, in particular to a continuous casting and rolling tundish inner core mould.

Background

At present, an intermediate ladle of the SCR continuous casting and rolling production line is used for stably controlling the temperature and flow of copper soup, and is stably guided into a casting machine for casting, crystallizing and cooling, and the surface condition of refractory materials in contact with copper water in the intermediate ladle directly influences the quality of products. The tundish needs to be positioned by a mould in the manufacturing process, and the pouring material is poured for 12 hours and then is demoulded. The existing tundish mould is an integral mould, is particularly difficult in demoulding operation, and needs to be lifted by a crane and then can be demoulded after being continuously knocked by a large hammer, and the demoulding can be completed within about 8 hours. The inner wall of the newly poured tundish and the edge casting materials are cracked and fall off in the process, the service time period of the machine is short, and the quality problem can be caused by the fact that the cracked part continuously falls off casting material particles to be mixed with copper water during the production of the machine.

Disclosure of utility model

The utility model aims to overcome the prior art, and provides a continuous casting and rolling tundish inner core die, which is characterized in that the original whole tundish die is changed into two large and one small three split bodies, two lifting lugs are added on each split body, the middle is fixed by a stud and then irrigated, the stud for fixing is removed firstly during demoulding, the small split bodies are lifted by a crane firstly, then the two large split bodies are lifted away respectively, the demoulding operation is completed within half an hour, the demoulding time is greatly shortened, the inner wall of the irrigated novel tundish is smooth and has no cracking, no castable is dropped off during the production of a machine, the service cycle of the tundish is prolonged, the product quality is improved, the consumption of the castable is reduced, the cost is saved, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a package inner core mould in middle of continuous casting and rolling, includes the big components of a whole that can function independently of mould and the little components of a whole that can function independently of mould, the big components of a whole that can function independently of mould is inside cavity and open-top box structure, the cross section of the big components of a whole that can function independently of mould is the same with the little components of a whole that can function independently of mould, the front side and the rear side of the little components of a whole that can function independently of mould respectively are provided with the big components of a whole that can function independently of mould, and the front side and the rear side of the little components of a whole that can function independently of mould are connected with the big components of a whole that can function independently of corresponding mould through dismantling the subassembly respectively.

The length of the large mold split is longer than that of the small mold split.

The mold is characterized in that the mold is divided into three split bodies, the mold is divided into a large split body and a small split body by means of the disassembling component during use, the disassembling component is firstly disassembled during demolding, the large split body and the small split body lose the connecting effect, then the small split body is lifted, as the two sides of the small split body are respectively provided with the large split body, the contact surface between the small split body and the casting material is small, the small split body is convenient to demold, after the small split body is lifted, the two large split bodies can be drawn close to the middle part, so that the demolding is convenient, and the demolding time can be greatly shortened.

Further, the left and right sides of the top of the big components of a whole that can function independently of mould are fixedly connected with lug respectively, and the top both sides of the little components of a whole that can function independently of mould are fixedly connected with lug respectively, and the lug conveniently lifts up the big components of a whole that can function independently of mould and the little components of a whole that can function independently of mould through driving with the help of the hook.

Further, the disassembly assembly comprises a first through hole, a stud, a mounting nut and a second through hole, the second through hole is respectively formed in the front side and the rear side of the small die split, the first through hole corresponding to the second through hole is formed in one side, close to the small die split, of the large die split, the stud is inserted into the first through hole and the second through hole corresponding to the first through hole, two ends of the stud extend into the large die split and the small die split respectively, and the two mounting nuts are connected in a threaded mode. The stud and the mounting nut can align and stably connect the large die split and the small die split when in use, and the large die split and the small die split are conveniently connected when in demolding.

Furthermore, the front side and the rear side of the small split of the die are respectively provided with four through holes II, the four through holes II on the front side and the rear side of the small split of the die are respectively distributed in a rectangular array, and the large split of the die and the small split of the die can be connected by means of four point positions by using the four through holes II, so that the connection is stable and reliable.

Compared with the prior art, the utility model has the beneficial effects that: the continuous casting and rolling tundish inner core die has the following advantages:

1. The pouring basket die is changed from an original whole into two large parts and one small part, two lifting lugs are added on each part, the middle part is fixed by a stud and then irrigated, the stud for fixing is removed firstly during demoulding, the small parts are firstly lifted by a crane, then the two large parts are respectively lifted, demoulding operation is completed within half an hour, and demoulding time is greatly reduced.

2. The inner wall of the new pouring box is smooth and has no cracking, no casting material falls off during production on the machine, the service cycle of the pouring box is prolonged, the product quality is improved, the consumption of casting material is reduced, and a lot of cost is saved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic diagram of a continuous casting and rolling tundish core mold in the prior art.

In the figure: the die is characterized by comprising a die 1 in a large split mode, a die 2 in a small split mode, a lifting lug 3, a through hole 4I, a stud 5, a mounting nut 6 and a through hole 7 II.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 2, the present utility model provides a technical solution: the continuous casting and rolling tundish inner core die comprises a die large split 1 and a die small split 2, wherein the die large split 1 and the die small split 2 are of box-shaped structures with hollow interiors and open tops, the cross sections of the die large split 1 and the die small split 2 are identical, the front side and the rear side of the die small split 2 are respectively provided with the die large split 1, and the front side and the rear side of the die small split 2 are respectively connected with the corresponding die large split 1 through disassembly components.

The length of the large die split 1 is longer than that of the small die split 2.

The left and right sides of the top of the big components of a whole that can function independently 1 of mould are fixedly connected with lug 3 respectively, and the top both sides of the little components of a whole that can function independently 2 of mould are fixedly connected with lug 3 respectively, and lug 3 conveniently lifts up big components of a whole that can function independently 1 of mould and little components of a whole that can function independently 2 of mould through driving with the help of the hook.

When the mold is used, an integral tundish inner core mold is divided into three split bodies, the mold large split body 1 and the mold small split body 2 are connected in order by means of the disassembling component during use, the disassembling component is firstly disassembled during demolding, so that the mold large split body 1 and the mold small split body 2 lose the connecting effect, then the mold small split body 2 is lifted, as the mold large split body 1 is arranged on two sides of the mold small split body 2 respectively, the contact surface of the mold small split body 2 and a casting material is small, the mold small split body 2 is convenient to demold, after the mold small split body 2 is lifted, the two mold large split bodies 1 can be closed towards the middle, and therefore the demolding time is also convenient to realize, and the demolding time can be greatly shortened.

When in use, the three split parts replace a complete tundish inner core mould in the prior art, and the complete tundish inner core mould is shown in fig. 2;

The pouring basket die is changed from an original whole into two large parts and one small part, two lifting lugs are added on each part, the middle part is fixed by a stud and then irrigated, the stud for fixing is removed firstly during demoulding, the small parts are firstly lifted by a crane, then the two large parts are respectively lifted, demoulding operation is completed within half an hour, and demoulding time is greatly reduced.

In a second embodiment, referring to fig. 1, the present utility model provides a technical solution: continuous casting and rolling tundish inner core mold, this embodiment is further explained for embodiment one;

The disassembly assembly comprises a first through hole 4, a stud 5, a mounting nut 6 and a second through hole 7, wherein the second through hole 7 is respectively formed in the front side and the rear side of the small die split body 2, the first through hole 4 corresponding to the second through hole 7 is formed in one side of the large die split body 1, which is close to the small die split body 2, the stud 5 is inserted into the first through hole 4 and the second through hole 7 which are mutually corresponding, two ends of the stud 5 extend into the large die split body 1 and the small die split body 2 respectively, and two mounting nuts 6 are connected in a threaded mode. The stud 5 and the mounting nut 6 can align and stably connect the large die split 1 and the small die split 2 when in use, and the large die split 1 and the small die split 2 are conveniently connected when in demolding.

Four through holes two 7 are respectively formed in the front side and the rear side of the small die split body 2, the four through holes two 7 in the front side and the rear side of the small die split body 2 are distributed in a rectangular array respectively, and the large die split body 1 and the small die split body 2 can be connected by means of four point positions by using the four through holes two 7, so that connection is stable and reliable.

In other embodiments, a pair of lifting lugs 3 can be added to two sides of each die main body 1, and one lifting lug 3 is respectively arranged at four corners of each die main body 1, so that the problem of inconvenient lifting of the large-size die main body 1 can be solved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The continuous casting and rolling tundish inner core die is characterized by comprising a die large split body (1) and a die small split body (2), wherein the die large split body (1) and the die small split body (2) are of box-shaped structures with hollow interiors and open tops, the cross sections of the die large split body (1) and the die small split body (2) are identical, the front side and the rear side of the die small split body (2) are respectively provided with the die large split body (1), and the front side and the rear side of the die small split body (2) are respectively connected with the corresponding die large split body (1) through disassembly components.

2. The continuous casting and rolling tundish core mold according to claim 1, characterized in that: the length of the large die split (1) is longer than that of the small die split (2).

3. The continuous casting and rolling tundish core mold according to claim 1, characterized in that: lifting lugs (3) are fixedly connected to the left side and the right side of the top of the large die split (1) respectively, and lifting lugs (3) are fixedly connected to the two sides of the top of the small die split (2) respectively.

4. The continuous casting and rolling tundish core mold according to claim 1, characterized in that: the disassembly assembly comprises a first through hole (4), a stud (5), a mounting nut (6) and a second through hole (7), wherein the second through hole (7) is respectively formed in the front side and the rear side of the small die split (2), the first through hole (4) corresponding to the second through hole (7) is formed in one side, close to the small die split (2), of the large die split (1), the stud (5) is inserted into the first through hole (4) and the second through hole (7) which correspond to each other, two ends of the stud (5) respectively extend into the large die split (1) and the small die split (2), and the two mounting nuts (6) are connected through threads.

5. The continuous casting and rolling tundish core mold according to claim 4, characterized in that: four through hole pairs (7) are respectively arranged on the front side and the rear side of the small die split body (2), and the four through hole pairs (7) on the front side and the rear side of the small die split body (2) are respectively distributed in a rectangular array.