CN219233511U - Roller cooling device and rolling mill for rod and wire production - Google Patents
Roller cooling device and rolling mill for rod and wire production Download PDFInfo
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- CN219233511U CN219233511U CN202223516922.7U CN202223516922U CN219233511U CN 219233511 U CN219233511 U CN 219233511U CN 202223516922 U CN202223516922 U CN 202223516922U CN 219233511 U CN219233511 U CN 219233511U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to a roller cooling device, which comprises a cooling main pipe, wherein the cooling main pipe is an arc pipe, a plurality of spraying units are arranged on the cooling main pipe, the spraying units are sequentially arranged along the length direction of the cooling main pipe, each spraying unit comprises a spray pipe, and the axis of each spray pipe is parallel to the width direction of the cooling main pipe; the pipe cavity of the spray pipe is communicated with the pipe cavity of the cooling main pipe, a straight water spraying long seam is formed in the spray pipe, and the length direction of the water spraying long seam is parallel to the axis of the spray pipe; the length of the water spraying long seam is not smaller than the width of the roller groove to be cooled. The present utility model also relates to a rolling mill for producing a rod or wire provided with the roll cooling device. The utility model adopts the spray pipe provided with the straight-line type water spraying long seam, can obtain reliable roller cooling effect, and can avoid the condition that impurities in cooling water are intercepted due to too small water spraying channel, thereby obviously reducing the condition that a cooling main pipe or a spraying unit is blocked.
Description
Technical Field
The present utility model relates to a roll cooling device and a rolling mill for producing a rod and a wire provided with the roll cooling device.
Background
The 350 rolling mill and the 450 rolling mill are rolling mill types used in the finish rolling/pre-finish rolling process of rod and wire production lines, and the production process comprises single-line rolling, pre-cutting, splitting rolling and other rolling modes; the roller of the rolling mill is carved with one or more roller grooves in the direction of the roller body, and the roller grooves are in direct contact with a rolled piece during working, so that the temperature of the roller is higher during rolling, and the roller needs to be cooled in time to prevent the roller from changing the structure of the roller surface due to overheating, thereby influencing the wear resistance, the service life and the surface quality of the rolled piece. At present, a roller cooling device generally adopts an arc-shaped cooling pipe with the curvature consistent with that of a roller groove, and a copper nozzle is arranged on the cooling pipe; this method is not only difficult to obtain a good cooling effect, but also the nozzle and the cooling pipe are easily blocked because the cooling water generally adopts turbid circulating water.
Disclosure of Invention
The utility model relates to a roller cooling device and a rolling mill for producing a rod and a wire provided with the roller cooling device, which can at least solve part of defects in the prior art.
The utility model relates to a roller cooling device, which comprises a cooling main pipe, wherein the cooling main pipe is an arc pipe, a plurality of spraying units are arranged on the cooling main pipe, the spraying units are sequentially arranged along the length direction of the cooling main pipe, each spraying unit comprises a spray pipe, and the axis of each spray pipe is parallel to the width direction of the cooling main pipe; the pipe cavity of the spray pipe is communicated with the pipe cavity of the cooling main pipe, a straight water spraying long seam is formed in the spray pipe, and the length direction of the water spraying long seam is parallel to the axis of the spray pipe; the length of the water spraying long seam is not smaller than the width of the roller groove to be cooled.
As one embodiment, the spray unit further comprises at least one connecting pipe, one end of the connecting pipe is connected with the spray pipe, and the other end of the connecting pipe is connected with the cooling main pipe.
As one implementation mode, two ends of the spray pipe are respectively provided with a detachable plug.
As one implementation mode, both ends of the cooling main pipe are open ends, and the two open ends are respectively detachably connected with a plugging blind plate.
As one of implementation modes, the opening end is provided with an assembly flange, the plugging blind plate is a blind plate flange, and the blind plate flange is connected with the assembly flange.
As one embodiment, the roll cooling device further comprises a water supply main pipe and a mounting bracket for connection with the rolling mill stand, wherein the water supply main pipe is connected with the cooling main pipe, and the cooling main pipe and/or the water supply main pipe are/is connected with the mounting bracket.
As one embodiment, the roll cooling device further comprises a position adjusting mechanism for adjusting the distance between the spray unit and the roll.
As one of the implementation modes, the position adjusting mechanism comprises an adjusting plate, an installing plate and an adjusting bolt, wherein the cooling main pipe and/or the water supply main pipe are/is fixedly connected with the adjusting plate, and the installing plate is arranged on the installing bracket; the adjusting plate is provided with a first adjusting hole, the mounting plate is provided with a second adjusting hole, the first adjusting hole and the second adjusting hole are bar-shaped holes, an included angle is formed between the length directions of the first adjusting hole and the second adjusting hole, the adjusting plate is attached to the surface of the mounting plate, and the adjusting bolt penetrates through the first adjusting hole and the second adjusting hole and then is locked through a nut.
As one embodiment, the lance and/or the cooling main pipe is a stainless steel member.
The utility model also relates to a rolling mill for producing the rod and wire, which comprises a rolling mill frame and rollers, and is also provided with the roller cooling device, wherein the cooling main pipe is connected to the rolling mill frame.
The utility model has at least the following beneficial effects: the roller cooling device provided by the utility model adopts the spray pipe provided with the straight-line water spraying long seam, so that a reliable roller cooling effect can be obtained, and the condition that impurities in cooling water are trapped due to too small water spraying channels can be avoided, so that the condition that a cooling main pipe or a spraying unit is blocked can be obviously reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a roller cooling device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a structure for plugging a cooling main pipe by using a blind flange;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2;
FIG. 4 is a side view of a mounting bracket according to an embodiment of the present utility model;
FIG. 5 is a top view of a mounting bracket according to an embodiment of the present utility model;
fig. 6 and fig. 7 are schematic structural diagrams of a spraying unit (I part in fig. 1, fig. 2 and fig. 8) according to an embodiment of the present utility model;
fig. 8 is a schematic structural view of a cooling device for the lower roll;
fig. 9 is a top view of the cooling device of fig. 8.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments 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.
Example 1
As shown in fig. 1, fig. 2, and fig. 6 to fig. 9, the embodiment of the utility model provides a roller cooling device, which comprises a cooling main pipe 1, wherein the cooling main pipe 1 is an arc pipe, a plurality of spraying units 2 are arranged on the cooling main pipe 1, each spraying unit 2 is sequentially arranged along the length direction of the cooling main pipe 1, the spraying units 2 comprise spraying pipes 21, and the axis of each spraying pipe 21 is parallel to the width direction of the cooling main pipe 1; the pipe cavity of the spray pipe 21 is communicated with the pipe cavity of the cooling main pipe 1, a straight water spraying long slit 23 is formed in the spray pipe 21, and the length direction of the water spraying long slit 23 is parallel to the axis of the spray pipe 21; the length of the long water spraying slit 23 is not smaller than the width of the roll groove to be cooled, so that the cooling water can cover the whole roll groove in width.
The roller cooling device provided by the embodiment can obtain a reliable roller cooling effect by adopting the spray pipe 21 provided with the straight water spraying long slit 23, and can avoid the condition that impurities in cooling water are trapped due to too small water spraying channels, so that the condition that the cooling main pipe 1 or the spraying unit 2 is blocked can be obviously reduced.
Preferably, as shown in fig. 6, the spraying unit 2 further includes at least one connecting pipe 22, one end of the connecting pipe 22 is connected with the spraying pipe 21, and the other end of the connecting pipe is connected with the cooling main pipe 1, so that not only is the communication between the pipe cavity of the spraying pipe 21 and the pipe cavity of the cooling main pipe 1 realized, but also the reliable installation of the spraying pipe 21 is realized, and the structural stability is high. When the plurality of connection pipes 22 are used, the flow rate of the cooling water in the nozzle 21 and the mounting reliability of the nozzle 21 can be further improved.
Further, as shown in fig. 6 and 7, two ends of the spray pipe 21 are provided with detachable plugs 24, so that the maintenance and cleaning of the spray pipe 21 are facilitated; the plug 24 may be screwed to the spout 21, or may be connected by a flange connection or the like.
In one embodiment, as shown in fig. 2, both ends of the cooling main pipe 1 are open ends, and the two open ends are detachably connected with plugging blind plates respectively. The design of the end opening can facilitate the cleaning and maintenance of the cooling main pipe 1, because the roller cooling device generally adopts turbid circulating water, the cooling main pipe 1 is easy to be blocked by impurities, and the cooling main pipe 1 can be cleaned and maintained timely and conveniently by removing the blocking blind plate at the end part of the cooling main pipe 1.
Optionally, the open end is provided with an assembly flange 11, the plugging blind plate is a blind plate flange 12, and the blind plate flange 12 is connected with the assembly flange 11.
In one embodiment, as shown in fig. 1 and 8, the cooling main pipe 1 includes a plurality of main pipe segments spliced in sequence along the length direction, and adjacent main pipe segments are spliced in a flange connection manner. Wherein each main pipe section is also an arc-shaped pipe; since flange assembly is performed between adjacent main pipe segments, it is correspondingly necessary to provide assembly flanges 11 at the corresponding ends of the main pipe segments, and preferably, assembly flanges 11 are provided at both ends of the main pipe segments, and the number of main pipe segments can be increased or decreased as needed.
In the embodiment, the cooling main pipe 1 is designed into a structure with a plurality of main pipe sections spliced, and the length of the cooling main pipe 1 can be adjusted by increasing or decreasing the number of the main pipe sections, so that the roller cooling device can be applied to various rolling mills, the number of parts required by a steel mill is obviously reduced, and the production, storage and maintenance costs of equipment are reduced; in addition, the post-transformation of the rolling mill is facilitated, the cooling effect on the roller is guaranteed, and the equipment transformation cost can be correspondingly reduced.
On the other hand, the structure is also convenient for the later maintenance of the roller cooling device, for example, when the cooling main pipe 1 or the spraying unit 2 is blocked, the corresponding main pipe section or sections can be detached and cleaned according to specific conditions, and the maintenance convenience and the maintenance efficiency can be improved. In addition, the roller cooling device generally adopts turbid circulating water, so that equipment such as pipe corrosion and the like is damaged in the use process of the roller cooling device, and the maintenance cost can be reduced by only replacing the corresponding main pipe section.
In one embodiment, the lumens of the main pipe sections are in communication with each other, and the cooling main pipe 1 may be provided with only one water inlet or may be provided with a plurality of water inlets.
In a further embodiment, each main pipe section is connected with a water supply branch pipe, and each water supply branch pipe is connected with the water supply main pipe 3; a spacer is sandwiched between the flanged connections between each adjacent main pipe segment to separate the lumens of the two main pipe segments. The method can ensure the independence of the work of each main pipe section, and can adjust the cooling range/cooling length of the cooling main pipe 1 according to actual conditions, so that the cooling main pipe can be suitable for different rolling mills or meet the cooling process requirements of different rollers, and the working flexibility is higher; in addition, when part of the main pipe sections are blocked, the other main pipe sections can work normally, so that the roller can be cooled before shutdown maintenance, and the quality problem caused by overhigh roller temperature is avoided.
Further optimizing the above-mentioned roll cooling device, as shown in fig. 1-5, the roll cooling device further comprises a water supply main pipe 3 and a mounting bracket 5 for connection with a rolling mill stand, wherein the water supply main pipe 3 is connected with the cooling main pipe 1, and the cooling main pipe 1 and/or the water supply main pipe 3 is connected with the mounting bracket 5.
In one embodiment, as shown in fig. 1 and 2, the inlet end of the main water supply pipe 3 is provided with a connecting thread 31 for connecting with a quick-change connector of a water supply pipeline, that is, the main water supply pipe 3 is detachably connected with the water supply pipeline, so that the problem that the roller cooling device cannot be moved or replaced due to rigid connection between the main water supply pipe 3 and the water supply pipeline can be avoided.
In one embodiment, the roll cooling device further comprises a position adjusting mechanism for adjusting the distance between the spray unit 2 and the roll. When the roller diameter is reduced due to roller wear, reliable cooling of the roller can be ensured by adjusting the distance between the spraying unit 2 and the roller.
Preferably, as shown in fig. 1 to 5, the position adjusting mechanism comprises an adjusting plate 4, a mounting plate 51 and an adjusting bolt, the cooling main pipe 1 and/or the water supply main pipe 3 are/is fixedly connected with the adjusting plate 4, and the mounting plate 51 is arranged on the mounting bracket 5; the adjusting plate 4 is provided with a first adjusting hole 41, the mounting plate 51 is provided with a second adjusting hole 52, the first adjusting hole 41 and the second adjusting hole 52 are bar-shaped holes, an included angle is formed between the length directions of the first adjusting hole and the second adjusting hole, the adjusting plate 4 is attached to the surface of the mounting plate 51, and the adjusting bolt penetrates through the first adjusting hole 41 and the second adjusting hole 52 and is locked through a nut.
It will be appreciated that the connection of the cooling main 1 and/or the water supply main 3 to the mounting bracket 5 is achieved by the cooperation of the above-mentioned adjusting plate 4 and mounting plate 51. Wherein, the adjusting plate 4 can be respectively connected with the cooling main pipe 1 and the water supply main pipe 3, so that the stability and the reliability of the installation structure can be correspondingly improved; the connection mode includes but is not limited to welding, bolt fixing connection and the like.
Preferably, as shown in fig. 3 and 4, the first adjusting hole 41 and the second adjusting hole 52 are all oval holes.
In one embodiment, as shown in fig. 1 to fig. 4, the mounting plate 51 has a plurality of second adjusting holes 52, the first adjusting holes 41 are intersected and communicated with at least part of the second adjusting holes 52, preferably each second adjusting hole 52 is intersected and communicated, and a plurality of adjusting bolts are correspondingly required to be configured, so that stability and reliability of the mounting structure can be improved, positioning accuracy of the cooling main pipe 1 can be improved, and a position adjusting range can be correspondingly increased.
Wherein the second adjustment holes 52 are arranged parallel to each other. Further, at least a part of the second adjustment holes 52 are arranged offset in the length direction of the second adjustment holes 52, for example, the length direction of each second adjustment hole 52 is parallel to the vertical direction, and at least a part of the second adjustment holes 52 are arranged offset in the vertical direction (i.e., the top ends of the second adjustment holes 52 are not on the same horizontal plane). This design can increase the position adjustment range of the cooling main pipe 1, and avoid the increase of the design difficulty and the field installation difficulty of the installation plate 51 due to the overlong length of the single second adjusting hole 52.
By sliding the adjusting bolts in the first adjusting holes 41 and the second adjusting holes 52, the position adjustment of the cooling main pipe 1 in the horizontal direction and the vertical direction can be achieved.
Preferably, the angle between the length direction of the first adjusting hole 41 and the length direction of the second adjusting hole 52 is an acute angle, so that the position adjusting range of the cooling main pipe 1 can be further increased.
In one embodiment, as shown in fig. 5, two mounting plates 51 are provided, the adjusting plate 4 is sandwiched between the two mounting plates 51, and the adjusting bolt passes through the two mounting plates 51 and the adjusting plate 4 and then is locked by a nut, so that the stability and reliability of the mounting structure of the adjusting plate 4/the cooling main pipe 1 can be effectively improved.
The above-mentioned mounting bracket 5 is used for mounting the roll cooling device to the roll stand. In one of the embodiments, the roll cooling device for upper roll cooling is mounted on the guide frame, for example, the above-mentioned mounting bracket 5 is fixed on the guide frame by means of a set screw; the roller cooling device for cooling the lower roller is arranged on the dovetail seat.
Preferably, as shown in fig. 5, the mounting frame adopts a U-shaped frame body, and includes a mounting beam 501 and two support beams 502 extending from two ends of the mounting beam 501, wherein the mounting plate 51 is connected to the mounting beam 501, and the two support beams 502 are used for connecting with a rolling mill frame; the space between the two corbels 502 is used for avoiding the screw rod and the nut in the guide and compression device.
For the rolling mill of the single-line rolling process, the cooling main pipe 1 is generally one; for a rolling mill for split rolling processes, a plurality of cooling main pipes 1 are preferably provided, for example, for a two split rolling process, two cooling main pipes 1 are provided correspondingly. When there are a plurality of cooling main pipes 1, it is preferable that each cooling main pipe 1 is mounted on the same mounting rack, so as to ensure the action consistency and the accuracy of the relative position of each cooling main pipe 1; the cooling main pipes 1 may be supplied with water through the same water supply main pipe 3, and for example, a distribution pipe and a plurality of junction pipes connected to the distribution pipe are further provided, each junction pipe is connected to each cooling main pipe 1 in one-to-one correspondence, and the distribution pipe is connected to the water supply main pipe 3.
In one embodiment, at least part of the cooling main pipe 1, the water supply main pipe 3 and the blind flange 12 are stainless steel members, so that the cooling main pipe has better corrosion resistance and can prolong the service life of equipment.
Similarly, at least part of the nozzle 21 and the connection pipe 22 is a stainless steel member.
Example two
The embodiment of the utility model provides a rolling mill for producing a rod and a wire, which comprises a rolling mill frame and rollers, and is also provided with the roller cooling device provided by the first embodiment, wherein the cooling main pipe 1 is connected to the rolling mill frame.
The structure of the rolling mill stand and the roller are conventional in the art, and are not described in detail herein.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a roll cooling device, includes the cooling is responsible for, the cooling is responsible for the arctube, in be equipped with a plurality of spraying units on the cooling is responsible for, each spraying unit is followed the length direction that the cooling was responsible for arranges in proper order, its characterized in that: the spraying unit comprises a spraying pipe, and the axis of the spraying pipe is parallel to the width direction of the cooling main pipe; the pipe cavity of the spray pipe is communicated with the pipe cavity of the cooling main pipe, a straight water spraying long seam is formed in the spray pipe, and the length direction of the water spraying long seam is parallel to the axis of the spray pipe; the length of the water spraying long seam is not smaller than the width of the roller groove to be cooled.
2. The roll cooling device of claim 1, wherein: the spraying unit further comprises at least one connecting pipe, one end of the connecting pipe is connected with the spraying pipe, and the other end of the connecting pipe is connected with the cooling main pipe.
3. The roll cooling device of claim 1, wherein: two ends of the spray pipe are respectively provided with a detachable plug.
4. The roll cooling device of claim 1, wherein: both ends of the cooling main pipe are open ends, and the two open ends are respectively detachably connected with a plugging blind plate.
5. The roll cooling apparatus of claim 4, wherein: the opening end is provided with an assembly flange, the plugging blind plate is a blind plate flange, and the blind plate flange is connected with the assembly flange.
6. The roll cooling device of claim 1, wherein: the cooling main pipe and/or the water supply main pipe are/is connected with the mounting bracket.
7. The roll cooling apparatus of claim 6, wherein: the device also comprises a position adjusting mechanism for adjusting the interval between the spraying unit and the roller.
8. The roll cooling apparatus of claim 7, wherein: the position adjusting mechanism comprises an adjusting plate, an installing plate and an adjusting bolt, the cooling main pipe and/or the water supply main pipe are/is fixedly connected with the adjusting plate, and the installing plate is arranged on the installing bracket; the adjusting plate is provided with a first adjusting hole, the mounting plate is provided with a second adjusting hole, the first adjusting hole and the second adjusting hole are bar-shaped holes, an included angle is formed between the length directions of the first adjusting hole and the second adjusting hole, the adjusting plate is attached to the surface of the mounting plate, and the adjusting bolt penetrates through the first adjusting hole and the second adjusting hole and then is locked through a nut.
9. The roll cooling device of claim 1, wherein: the lance and/or the cooling main pipe is a stainless steel member.
10. The utility model provides a rolling mill is used in production of stick wire rod, includes rolling mill frame and roll, its characterized in that: the roll cooling device according to any one of claims 1 to 9, wherein the cooling main pipe is connected to a rolling mill stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223516922.7U CN219233511U (en) | 2022-12-28 | 2022-12-28 | Roller cooling device and rolling mill for rod and wire production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223516922.7U CN219233511U (en) | 2022-12-28 | 2022-12-28 | Roller cooling device and rolling mill for rod and wire production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219233511U true CN219233511U (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223516922.7U Active CN219233511U (en) | 2022-12-28 | 2022-12-28 | Roller cooling device and rolling mill for rod and wire production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219233511U (en) |
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2022
- 2022-12-28 CN CN202223516922.7U patent/CN219233511U/en active Active
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