CN219837155U - Cooling structure of continuous casting roller - Google Patents

Abstract

The utility model relates to the technical field of continuous casting rolls, and discloses a continuous casting roll cooling structure, which comprises a mandrel and a roll sleeve, wherein the roll sleeve is sleeved on the mandrel, a cooling channel is arranged in the mandrel, the cooling channel extends along the axial direction of the mandrel, the cooling channel comprises a first cooling channel and a second cooling channel which are distributed in parallel, one end of the first cooling channel is a liquid inlet end, the other end of the first cooling channel is a closed end, one end of the second cooling channel, which is close to the liquid inlet end, is a closed end, and the other end of the second cooling channel is a liquid outlet end; the outer peripheral face of dabber is equipped with first helicla flute and second helicla flute, and the both ends of first helicla flute communicate with the one end of feed liquor end and second helicla flute respectively, and the other end and the blind end intercommunication of second cooling passageway of second helicla flute. The utility model solves the problems that in the prior art, the cooling structure can only slowly cool the roller sleeve by means of the heat conduction action of the mandrel on the roller sleeve, so that the cooling speed of the roller sleeve is low and the cooling effect is not ideal.

Description

Cooling structure of continuous casting roller

Technical Field

The utility model belongs to the technical field of continuous casting rolls, and relates to a cooling structure of a continuous casting roll.

Background

The continuous casting roll, which is one of the main components of the continuous casting machine, plays an important role in transporting the casting strand during the operation of the continuous casting machine. Meanwhile, as the continuous casting roller is directly contacted with the high-temperature casting blank, the continuous casting roller bears strong heat radiation for a long time, so that deformation or cracking and other conditions are easy to occur under the influence of thermal stress, the continuous casting roller is damaged, and the normal transmission of equipment to the casting blank is influenced. Therefore, it is generally necessary to cool down the casting rolls while the continuous casting machine is in operation.

The existing continuous casting roller cooling structure generally adopts a structure that a linear cooling pipeline is inserted into a mandrel of the continuous casting roller or a linear cooling channel is arranged in the mandrel, and when the continuous casting roller cooling structure is used, a cooling medium is introduced into the cooling pipeline or the cooling channel, so that the cooling medium flows from one end of the mandrel to the other end of the mandrel to cool the continuous casting roller. The cooling structure can achieve the purpose of cooling the continuous casting roller to a certain extent, but because a larger distance is still reserved between the cooling pipeline or the cooling channel and the roller sleeve sleeved on the outer side of the mandrel, the cooling of the roller sleeve can only be slowly performed by means of the heat conduction action of the mandrel on the roller sleeve, and therefore the problems of low cooling speed and unsatisfactory effect of the roller sleeve exist.

Disclosure of Invention

Therefore, the utility model aims to provide a continuous casting roller cooling structure, which solves the problems that the cooling of the roller sleeve by the existing cooling structure can only be slowly performed by means of the heat conduction effect of the mandrel on the roller sleeve, so that the cooling speed of the roller sleeve is low and the cooling effect is not ideal.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a continuous casting roller cooling structure, includes dabber and roller shell, the roller shell cup joints on the dabber, be equipped with the cooling passageway of extending along the axial of dabber in the dabber, the cooling passageway includes parallel arrangement's first cooling passageway and second cooling passageway, the one end of first cooling passageway is the feed liquor end, and the other end is the blind end, the one end that the second cooling passageway is close to the feed liquor end in the first cooling passageway is the blind end, and the other end is the play liquid end; the outer peripheral face of dabber is equipped with first helicla flute and second helicla flute, the both ends of first helicla flute communicate with the one end of feed liquor end and second helicla flute respectively, just the other end of second helicla flute communicates with the blind end of second cooling passageway in order to realize the intercommunication of first cooling passageway and second cooling passageway.

The working principle of the scheme is as follows: through being provided with first helicla flute and second helicla flute at the outer peripheral face of dabber, and first cooling passageway, first helicla flute, second helicla flute and second cooling passageway communicate in order for inside and outside the dabber forms a longer cooling medium circulation path. When the cooling medium is introduced from the liquid inlet end of the first cooling channel, under the action of the blocking end of the first cooling channel, the cooling medium flows into the first spiral groove through the first cooling channel, flows into the second spiral groove along the first spiral groove, flows into the second cooling channel through the second spiral groove, and finally is discharged out of the mandrel through the liquid outlet end of the second cooling channel under the action of the blocking end of the second cooling channel. In this process, because first helicla flute and second helicla flute are located the outer peripheral face of dabber, when cooling medium flows through, can be direct with the roller shell contact in dabber outside and cool down it, and need not carry out the heat conduction cooling to the roller shell via the dabber for cooling to the roller shell is more direct, quick and effective. Meanwhile, the tail end of the first spiral groove is connected with the head end of the second spiral groove in the flowing direction of the cooling medium, so that the cooling medium moves back and forth in the axial direction of the mandrel, the flowing path length of the cooling medium is prolonged, the residence time of the cooling medium in the mandrel and the roller sleeve is longer, and the cooling effect of the cooling medium on the continuous casting roller is further enhanced. In addition, because the first spiral groove and the second spiral groove are in spiral track extension on the outer peripheral surface of the mandrel, when the cooling medium flows along the two spiral grooves, the cooling can be accurately performed on the outer peripheral surface of the mandrel and a plurality of parts inside the roller sleeve, the cooling area of the continuous casting roller is increased, and the cooling effect of the continuous casting roller is further enhanced.

The adoption of the scheme has the advantages that:

1. the cooling medium flows through the first cooling channel, the first spiral groove, the second spiral groove and the second cooling channel, so that the inside of the mandrel, the outside of the mandrel and the roller sleeve can be cooled directly, and the cooling effect on the roller sleeve and the mandrel is more direct, rapid and effective;

2. the first cooling channel, the first spiral groove, the second spiral groove and the second cooling channel are sequentially communicated to form a longer cooling medium circulation path, so that the cooling medium flows back and forth in the continuous casting roller for many times, the residence time of the cooling medium in the continuous casting roller is prolonged, and meanwhile, the cooling effects on the two ends of the continuous casting roller are homogenized, so that the cooling effect of the continuous casting roller is better;

3. the spiral track of first helicla flute and second helicla flute sets up, has both played the effect of extension cooling medium flow path, has increased the area of contact between cooling medium and the dabber, between cooling medium and the roller shell again, has further strengthened the cooling effect to the continuous casting roller.

Further, be equipped with first cooling chamber and second cooling chamber in the roller shell, the both ends of first helicla flute all communicate with first cooling chamber, the both ends of second helicla flute all communicate with second cooling chamber.

Because the roller sleeve has a certain thickness, the roller sleeve is provided with the two first cooling cavities and the second cooling cavities which are not communicated with each other, and the cooling medium can enter the first cooling cavities through the first spiral grooves to further cool the inside of the roller sleeve and the surface of the roller sleeve, so that the cooling speed of the roller sleeve is faster, and the cooling effect is better; the cooling medium after cooling the first cooling cavity flows into the second spiral groove through the first spiral groove, and the second spiral groove flows into the second cooling cavity, so that other parts of the roller sleeve are cooled. The cooling speed of the roller sleeve is increased, the flow path length of the cooling medium in the continuous casting roller is further prolonged, and the cooling effect of the continuous casting roller is further enhanced.

Further, cover grooves matched with the first spiral grooves and the second spiral grooves are formed in the inner wall of the roller sleeve, and the cover grooves are covered on the notch of the first spiral grooves and the notch of the second spiral grooves.

In the scheme, the cover groove arranged on the roller sleeve can be matched with the first spiral groove and the second spiral groove to form a cooling medium circulation space with larger diameter, so that the flow of the cooling medium is facilitated, and the cooling effect on the continuous casting roller is improved in an auxiliary manner; on the other hand, the design of the cover groove also increases the contact area between the cooling medium flowing in the first spiral groove and the second spiral groove and the inner wall of the roller sleeve, and can achieve the purpose of enhancing the cooling effect of the roller sleeve.

Further, a sealing gasket is arranged at the connection part of the cover groove and the first spiral groove and the connection part of the cover groove and the second spiral groove.

In this scheme, sealed pad can seal first helicla flute and lid groove, second helicla flute and lid groove contact position, prevents that cooling medium from leaking in a large number between dabber and roller shell, is favorable to the cyclic utilization of cooling medium and the normal operating of equipment.

Further, the first spiral groove, the second spiral groove and the cover groove are rectangular grooves. The design of rectangular channel is adopted in this scheme for first helicla flute, second helicla flute and lid groove are difficult for producing the dead angle, and coolant flow is more smooth and easy.

Further, a plurality of connecting channels are arranged between the middle part of the first spiral groove and the first cooling cavity, and a plurality of connecting channels are arranged between the middle part of the second spiral groove and the second cooling cavity.

This scheme is with many places intercommunication between first cooling chamber and the first helicla flute for cooling medium can flow faster between first helicla flute and first cooling chamber, thereby accelerates the cooling to first cooling chamber. The second cooling cavity is communicated with the second spiral groove at a plurality of positions, so that cooling medium can flow faster between the second spiral groove and the second cooling cavity, and cooling of the second cooling cavity is accelerated.

Further, the closed end of the first cooling channel is communicated with the first spiral groove.

This scheme is with blind end and first helicla flute intercommunication of first cooling channel, after coolant gets into first cooling channel and flows to the right part of first cooling channel, can discharge fast to first helicla flute and can not pile up the right part at first cooling channel, the blind end of first cooling channel promptly to do benefit to the cooling of first cooling channel right part.

Further, the closed end of the first cooling channel and the closed end of the second cooling channel are respectively provided with a plug which is detachably connected so as to seal the first cooling channel and the second cooling channel through the plugs.

The form of the end cap that this scheme adopted detachable connection seals the blind end, and on the one hand is more convenient for the shaping of first cooling channel and second cooling channel, and on the other hand also can dismantle the end cap and whether unobstructed the maintenance is carried out to first cooling channel and second cooling channel inside the dabber according to the condition.

Further, the roller sleeve is fixed on the mandrel in the axial direction and the radial direction.

According to the scheme, the roller sleeve is axially and radially fixed on the mandrel, so that the driving of the mandrel to the roller sleeve is facilitated, the roller sleeve and the mandrel can be prevented from axially and radially moving relatively, the flowing effect of a cooling medium in the first spiral groove, the second spiral groove and the cover groove is guaranteed, and meanwhile, the sealing effect of the sealing gasket to the first spiral groove, the second spiral groove and the cover groove is also guaranteed.

Further, the roller sleeve is arranged into a plurality of, the roller sleeves are sequentially distributed along the axial direction of the mandrel, the mandrel between the adjacent roller sleeves is provided with a bearing seat, the bearing seat divides the mandrel into a plurality of sections matched with the shaft sleeve, the first cooling channel and the second cooling channel of the mandrel of the adjacent sections are distributed in a central symmetry manner, and the second cooling channel of the mandrel of the previous section is communicated with the first cooling channel of the mandrel of the next section.

In this scheme, divide into a plurality of sections with dabber and axle sleeve through the bearing frame, every section is repetitive structure, wherein the first cooling passageway and the second cooling passageway of adjacent section dabber are central symmetry and distribute, and the second cooling passageway of last section dabber communicates with the first cooling passageway of next section dabber, thereby can make cooling medium can both reciprocate flow and all carry out the effective cooling of large tracts of land to each section in every section of dabber, in order to guarantee the cooling effect to whole continuous casting roller, the bearing frame is used for connecting and supporting the dabber, more be favorable to the rotatory work of dabber, also can adapt to the great dabber of length through this kind of sectional form, thereby promote the application scope of this scheme.

The utility model has the beneficial effects that:

1. according to the continuous casting roller cooling structure provided by the utility model, the cooling medium flows through the first cooling channel, the first spiral groove, the second spiral groove and the second cooling channel, so that the inside of the mandrel, the outside of the mandrel and the roller sleeve can be cooled directly, and the cooling effect on the roller sleeve and the mandrel is more direct, rapid and effective; the first cooling channel, the first spiral groove, the second spiral groove and the second cooling channel are sequentially communicated to form a longer cooling medium circulation path, so that the cooling medium flows back and forth in the continuous casting roller for many times, the residence time of the cooling medium in the continuous casting roller is prolonged, and meanwhile, the cooling effects on the two ends of the continuous casting roller are homogenized, so that the cooling effect of the continuous casting roller is better; the spiral track of first helicla flute and second helicla flute sets up, has both played the effect of extension cooling medium flow path, has increased the area of contact between cooling medium and the dabber, between cooling medium and the roller shell again, has further strengthened the cooling effect to the continuous casting roller.

2. According to the utility model, the first cooling cavity and the second cooling cavity are arranged in the roller sleeve, and the cooling medium can enter the first cooling cavity from the first spiral groove to further cool the inside and the surface of the roller sleeve, so that the cooling speed of the roller sleeve is higher, and the cooling effect is better; the cooling medium after cooling the first cooling cavity flows into the second spiral groove through the first spiral groove, and the second spiral groove flows into the second cooling cavity, so that other parts of the roll sleeve are cooled, on one hand, the cooling speed of the roll sleeve is increased, on the other hand, the flow path length of the cooling medium in the continuous casting roll is further prolonged, and the cooling effect of the continuous casting roll is further enhanced.

3. According to the utility model, the mandrel and the shaft sleeve are divided into a plurality of sections through the bearing seat, each section is of a repeated structure, wherein the first cooling channels and the second cooling channels of the mandrels of the adjacent sections are distributed in a central symmetry manner, and the second cooling channels of the mandrels of the previous section are communicated with the first cooling channels of the mandrels of the next section, so that a cooling medium can flow back and forth in each section of the mandrels to effectively cool each section in a large area, the cooling effect on the whole continuous casting roller is ensured, the bearing seat is used for connecting and supporting the mandrels, the rotating work of the mandrels is facilitated, and the mandrels with different lengths can be adapted through the sectional form, so that the application range of the scheme is improved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.

Drawings

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:

FIG. 1 is a block diagram showing a cooling structure of a continuous casting roll in embodiment 1;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a structural view of a mandrel in embodiment 1;

FIG. 4 is a block diagram showing a cooling structure of a continuous casting roll in example 2;

fig. 5 is a structural view of a cooling structure of a continuous casting roll in embodiment 3.

Reference numerals: mandrel 1, roller shell 2, first cooling passageway 3, second cooling passageway 4, feed liquor end 5, blind end 6, go out liquid end 7, end cap 8, first helicla flute 9, second helicla flute 10, first cooling chamber 11, second cooling chamber 12, lid groove 13, sealed pad 14, bearing frame 15.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the utility model; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present utility model, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1 to 3, the cooling structure of a continuous casting roll in this embodiment includes a mandrel 1 and a roll sleeve 2, the roll sleeve 2 is sleeved on the mandrel 1, the roll sleeve 2 is fixed on the mandrel 1 in both axial and radial directions, and two ends of the roll sleeve 2 in this embodiment are fixed on the mandrel 1 through bolts, so as to realize axial and radial locking fixation of the roll sleeve 2, and prevent the roll sleeve 2 from rotating on the mandrel 1; specifically, the bolts are countersunk bolts to avoid motion interference caused by the bolts.

The cooling channel is arranged in the mandrel 1, and extends along the axial direction of the mandrel 1, and in the embodiment, the cooling channel extends in the horizontal direction. The cooling channel includes a first cooling channel 3 and a second cooling channel 4 that are distributed in parallel, in this embodiment, the first cooling channel 3 is located above the second cooling channel 4, the left end of the first cooling channel 3 is a liquid inlet end 5, the right end is a closed end 6, one end of the second cooling channel 4 close to the liquid inlet end 5 is a closed end 6, the other end is a liquid outlet end 7, that is, as shown in fig. 1, the left end of the second cooling channel 4 is a closed end 6, and the right end is a liquid outlet end 7. The closed end 6 of the first cooling channel 3 and the closed end 6 of the second cooling channel 4 are both provided with plugs 8, and the two closed ends 6 are both closed through the plugs 8.

Referring to fig. 2 and 3, a first spiral groove 9 and a second spiral groove 10 are formed in the outer peripheral surface of the mandrel 1, two ends of the first spiral groove 9 are respectively communicated with the liquid inlet end 5 and the right end of the second spiral groove 10, and the left end of the second spiral groove 10 is communicated with the closed end 6 of the second cooling channel 4. Wherein the first spiral groove 9 and the second spiral groove 10 are in a double-line spiral structure.

The roller sleeve 2 is internally provided with a first cooling cavity 11 and a second cooling cavity 12, both ends of the first spiral groove 9 are communicated with the first cooling cavity 11, both ends of the second spiral groove 10 are communicated with the second cooling cavity 12, and the first cooling cavity 11 and the second cooling cavity 12 are not directly communicated, but are communicated through the first spiral groove 9 and the second spiral groove 10.

Preferably, the first cooling chamber 11 and the second cooling chamber 12 are symmetrically arranged with respect to each other along the axial plane of the mandrel 1.

As shown in fig. 2, the inner wall of the roller sleeve 2 is provided with a cover groove 13 matched with the first spiral groove 9 and the second spiral groove 10, and the cover groove 13 is buckled on the notch of the first spiral groove 9 and the notch of the second spiral groove 10. Wherein the arrangement of the cover groove 13 corresponds to the double-line spiral structure of the first and second spiral grooves 9 and 10.

Preferably, the first spiral groove 9, the second spiral groove 10 and the cover groove 13 are rectangular grooves. And sealing gaskets 14 are arranged at the connection parts of the cover groove 13 and the first spiral groove 9 and the connection parts of the cover groove 13 and the second spiral groove 10.

In practice, the flow path of the cooling medium is shown by the arrows in fig. 1. When the continuous casting roller is cooled, a cooling medium is introduced into the liquid inlet end 5 of the first cooling channel 3, the cooling medium enters the mandrel 1 to cool the interior of the mandrel 1, and then the cooling medium flows into the left end of the first spiral groove 9 communicated with the liquid inlet end 5 of the first cooling channel 3; part of the cooling medium entering the first spiral groove 9 flows into the first cooling cavity 11 along the first spiral groove 9 to directly cool the roller sleeve 2, and the other part flows to the right side along the first spiral groove 9 to cool the surface of the mandrel 1, the inner wall of the roller sleeve 2 and other parts; then, the cooling medium in the first cooling chamber 11 and the first spiral groove 9 flows rightward and then flows into the second spiral groove 10 communicating with the first spiral groove 9; and a part of the cooling medium entering the right end of the second spiral groove 10 flows leftwards and reversely on the surface of the mandrel 1 along the spiral track of the second spiral groove 10, so that the surface of the mandrel 1 and the roll sleeve 2 are cooled again, and the other part of the cooling medium enters a second cooling cavity 12 communicated with the right end of the second spiral groove 10, so that the cooling effect on the roll sleeve 2 is enhanced. Since the left end of the second spiral groove 10 is communicated with the second cooling channel 4, after the cooling medium reaches the left end of the second spiral groove 10 and the left part of the second cooling cavity 12, the cooling medium is collected and enters the left part of the second cooling channel 4, flows along the second cooling channel 4 to the right part of the mandrel 1 and is discharged from the liquid outlet end 7 of the second cooling channel 4. Thereby realizing the reciprocating motion of the cooling medium, accelerating the cooling speed of the roller sleeve 2 and the whole continuous casting roller and enhancing the cooling effect.

Example 2

In this embodiment, as shown in fig. 4, the closed end 6 of the first cooling passage 3 communicates with the first spiral groove 9. That is, in the present embodiment, the right end of the first spiral groove 9 communicates with the closed end 6 of the first cooling passage 3.

In this embodiment, since the right end of the first spiral groove 9 is communicated with the closed end 6 of the first cooling channel 3, when the cooling medium enters the first cooling channel 3 and flows to the right part of the first cooling channel 3, the cooling medium can be discharged through the first spiral groove 9, so that the cooling medium cannot be accumulated on the right side of the first cooling channel 3, and the continuous flow of the cooling medium on the right part of the first cooling channel 3 is facilitated, so as to ensure the continuous cooling effect on the mandrel 1.

Example 3

In this embodiment, as shown in fig. 5, there are several roller sleeves 2, and several roller sleeves 2 are distributed along the axial direction of the mandrel 1 in turn, and bearing seats 15 are provided on the mandrel 1 between adjacent roller sleeves 2; the bearing seat 15 correspondingly divides the mandrel 1 into a plurality of sections corresponding to the roller sleeves 2, the first cooling channels 3 and the second cooling channels 4 of the adjacent sections of mandrels 1 are distributed in a central symmetry manner, and the second cooling channel 4 of the previous section of mandrels 1 is communicated with the first cooling channel 3 of the next section of mandrels 1, namely, the liquid outlet end of the second cooling channel 4 of the previous section of mandrels 1 is communicated with the liquid inlet end of the first cooling channel 3 of the next section of mandrels 1.

Preferably, the first cooling cavity 11 is communicated with the first spiral groove 9 at a plurality of positions. The second cooling cavity 12 is also communicated with the second spiral groove 10 at a plurality of positions. Namely, the first spiral groove 9 is communicated with the first cooling cavity 11 not only at two ends, but also at the middle part of the first spiral groove 9, the first cooling cavity 11 is communicated with a plurality of places, and the second cooling cavity 12 is similar to the second spiral groove 10.

In practical implementation, as the first cooling cavity 11 is communicated with the first spiral groove 9 and the second cooling cavity 12 is communicated with the second spiral groove 10, cooling medium can flow faster between the first spiral groove 9 and the first cooling cavity 11 and between the second spiral groove 10 and the second cooling cavity 12, cooling speed of the first cooling cavity 11 and the second cooling cavity 12 is accelerated, and cooling effect of the roller sleeve 2 is further enhanced. Meanwhile, after the cooling medium completes the cooling of one section of mandrel 1, the cooling medium flows out to the liquid inlet end of the first cooling channel 3 of the next section of mandrel 1 along the liquid outlet end of the second cooling channel 4 of the section of mandrel 1, and repeatedly flows back and forth in the next section of mandrel 1 again according to the flowing process of the previous embodiment, so as to cool the next section of mandrel 1. By adopting the sectional cooling mode, the flow path of the cooling medium in the mandrel 1 is effectively prolonged, the sectional cooling effect on the mandrel 1 is enhanced, the bearing seat 15 is used for connecting and supporting the mandrel 1, the rotating work of the mandrel 1 is facilitated, and mandrels with different lengths, such as mandrels with larger lengths, can be adapted through the sectional mode, so that the application range of the scheme is improved.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.

Claims (10)

1. The utility model provides a continuous casting roller cooling structure, includes dabber (1) and roller shell (2), roller shell (2) cup joint on dabber (1), be equipped with the cooling passageway of axial extension along dabber (1) in dabber (1), its characterized in that: the cooling channels comprise a first cooling channel (3) and a second cooling channel (4) which are distributed in parallel, one end of the first cooling channel (3) is a liquid inlet end (5), the other end of the first cooling channel is a closed end (6), one end, close to the liquid inlet end (5) in the first cooling channel (3), of the second cooling channel (4) is a closed end (6), and the other end of the second cooling channel is a liquid outlet end (7);

the outer peripheral surface of dabber (1) is equipped with first helicla flute (9) and second helicla flute (10), the both ends of first helicla flute (9) communicate with the one end of feed liquor end (5) and second helicla flute (10) respectively, just the other end of second helicla flute (10) communicates with blind end (6) of second cooling passageway (4) in order to realize the intercommunication of first cooling passageway (3) and second cooling passageway (4).

2. The continuous casting roll cooling structure according to claim 1, wherein: the roller sleeve (2) is internally provided with a first cooling cavity (11) and a second cooling cavity (12), two ends of the first spiral groove (9) are communicated with the first cooling cavity (11), and two ends of the second spiral groove (10) are communicated with the second cooling cavity (12).

3. The continuous casting roll cooling structure according to claim 2, characterized in that: the inner wall of the roller sleeve (2) is provided with a cover groove (13) matched with the first spiral groove (9) and the second spiral groove (10), and the cover groove (13) is covered on the notch of the first spiral groove (9) and the notch of the second spiral groove (10).

4. A continuous casting roll cooling structure according to claim 3, wherein: and sealing gaskets (14) are arranged at the connection parts of the cover groove (13) and the first spiral groove (9) and the connection parts of the cover groove (13) and the second spiral groove (10).

5. A continuous casting roll cooling structure according to claim 3, wherein: the first spiral groove (9), the second spiral groove (10) and the cover groove (13) are rectangular grooves.

6. A continuous casting roll cooling structure according to claim 3, wherein: a plurality of connecting channels are arranged between the middle part of the first spiral groove (9) and the first cooling cavity (11), and a plurality of connecting channels are arranged between the middle part of the second spiral groove (10) and the second cooling cavity (12).

7. The cooling structure for a continuous casting roll according to claim 6, wherein: the closed end (6) of the first cooling channel (3) is communicated with the first spiral groove (9).

8. The continuous casting roll cooling structure according to claim 1, wherein: the closed end (6) of the first cooling channel (3) and the closed end (6) of the second cooling channel (4) are respectively provided with a plug (8) which is detachably connected so as to seal the plugs (8).

9. The continuous casting roll cooling structure according to claim 1, wherein: the roller sleeve (2) is fixed on the mandrel (1) in the axial direction and the radial direction.

10. A continuous casting roll cooling structure according to any one of claims 1 to 9, characterized in that: the roller sleeve (2) is arranged into a plurality of, the roller sleeves (2) are sequentially distributed along the axial direction of the mandrel (1), a bearing seat (15) is arranged on the mandrel (1) between the adjacent roller sleeves (2), the bearing seat (15) divides the mandrel (1) into a plurality of sections matched with the shaft sleeve, the first cooling channel (3) and the second cooling channel (4) of the mandrel (1) of the adjacent sections are distributed in a central symmetry manner, and the second cooling channel (4) of the mandrel (1) of the previous section is communicated with the first cooling channel (3) of the mandrel (1) of the next section.