Slitting guide for cooling guide roller
By designing a split guide for cooling the guide rollers, and using a cooling box and cooling components, the problem of uneven cooling between the upper and lower guide rollers was solved, achieving uniform temperature reduction and improving the stability and service life of the guide roller assembly.
Patent Information
- Application Number
- CN202520034491.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-07
AI Technical Summary
In the slitting rolling process, the upper and lower guide rolls of the existing slitting guides are not cooled evenly, which leads to the generation of internal stress and affects the overall strength and service life.
A cutting guide for cooling guide rollers is designed. It adopts a cooling box and cooling components. Water spraying is used to cool the upper and lower guide roller components from all directions through water nozzles, water pipes and external water tanks to ensure uniform temperature drop.
This achieves a uniform temperature drop between the upper and lower guide rollers, improving the stability of material properties and extending service life.
Smart Images
Figure CN223669889U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of steel rolling guide, in particular to a slitting guide for cooling guide rollers. BACKGROUND
[0002] Slitting rolling is a special rolling process carried out on a profile steel rolling mill, the slitting rolling is used for cutting a rolling piece into two or more rolling pieces along the longitudinal direction by using a slitting guide, and then rolling out two or more steel materials with the same section, in the slitting rolling, the slitting guide plays a crucial role.
[0003] The slitting guide is installed at the inlet or outlet of the rolling mill stand and is used for controlling and guiding the slitting process of the material, the slitting guide comprises an upper box body and a lower box body, the upper box body is fixedly installed on the lower box body, and the lower box body is fixedly installed on the rolling mill stand, an upper guide roller assembly is rotationally connected in the upper box body, the upper guide roller assembly comprises two oppositely arranged upper guide rollers, a lower guide roller assembly is rotationally connected in the lower box body, the lower guide roller assembly comprises two oppositely arranged lower guide rollers, the upper guide rollers and the lower guide rollers jointly guide and clamp the rolling piece, so that the rolling piece can be rolled along a predetermined path, the upper guide rollers and the lower guide rollers are in close contact with the rolling piece during the guiding of the rolling piece, and the temperature of the upper guide rollers and the lower guide rollers is too high, which accelerates the aging of the internal material and affects the slitting rolling progress of the rolling piece.
[0004] The mode for cooling the upper guide rollers and the lower guide rollers is mainly water spraying, and the existing cooling water is usually sprayed on the surfaces of the upper guide rollers and the lower guide rollers from one direction, so that the upper guide rollers and the lower guide rollers are not uniformly cooled, stress is easily generated in the upper guide rollers and the lower guide rollers, and the overall strength is affected.
[0005] Therefore, a new slitting guide is needed to solve the problem that the upper guide rollers and the lower guide rollers of the slitting guide are not uniformly cooled in the slitting rolling, and to ensure that the performance of the upper guide rollers and the lower guide rollers is more stable. CONTENT OF THE INVENTION
[0006] In order to ensure that the upper guide rollers and the lower guide rollers are uniformly cooled, the application provides a slitting guide for cooling guide rollers.
[0007] The slitting guide for cooling guide rollers provided by the application adopts the following technical scheme:
[0008] The utility model provides a cutting guide and guard for guide roller cooling, which comprises a fixedly connected upper box body and lower box body, the upper box body is rotatably connected with an upper guide roller assembly, the lower box body is rotatably connected with a lower guide roller assembly, the upper box body is provided with a cooling box for cooling the upper guide roller assembly, the cooling box is provided with an interface for the cooling water to enter the cooling box, the cooling box comprises a water jet for spraying water between the upper guide roller assembly and the lower guide roller assembly, the upper box body is provided with an upper cooling assembly for cooling the outer side of the upper guide roller assembly, and the lower box body is provided with a lower cooling assembly for cooling the outer side of the lower guide roller assembly.
[0009] Compared with the prior art, the cutting guide and guard can comprehensively spray water to cool the upper guide roller assembly and the lower guide roller assembly, so that the temperature of the upper guide roller assembly and the lower guide roller assembly decreases uniformly, which helps to maintain the stability of the material properties of the upper guide roller assembly and the lower guide roller assembly, thereby effectively prolonging the service life of the upper guide roller assembly and the lower guide roller assembly.
[0010] Optionally, the water jet comprises a first water jet and a second water jet arranged at the bottom of the cooling box, and the first water jet and the second water jet are respectively arranged opposite to the inner sides of the two upper guide rollers.
[0011] By adopting the above technical scheme, the first water jet and the second water jet can spray water to cool the inner sides of the two upper guide rollers, so that the temperature of the inner side regions of the two upper guide rollers decreases.
[0012] Optionally, the bottom surface of the cooling box is respectively provided with two inclined surfaces tangent to the outer circles of the two upper guide rollers, and the first water jet and the second water jet are respectively arranged on the two inclined surfaces.
[0013] By adopting the above technical scheme, when the water jet sprays water to cool the inner sides of the upper guide roller assembly and the lower guide roller assembly, the water jet range of the first water jet and the second water jet on the inclined surface is further expanded, which avoids the blocking of the water flow by the bottom surface of the cooling box, so that the cooling water can fully contact the upper guide roller assembly and the lower guide roller assembly, ensuring the uniform distribution of the cooling water, thereby improving the efficiency of the cooling process of the upper guide roller assembly and the lower guide roller assembly.
[0014] Optionally, the upper cooling assembly comprises an upper cooling structure for cooling the outer side of one of the upper guide rollers, the upper cooling structure comprises a water guide pipe in communication with the cooling box and a first upper pipeline in communication with the water guide pipe, the first upper pipeline is located in the upper box body, and the water outlet end of the first upper pipeline is arranged opposite to the outer side of the upper guide roller.
[0015] Through the above technical scheme, the cooling water in the cooling box flows to the outside of one of the upper guide rollers through the water guide pipe and the first upper pipeline, so that the outside of one of the upper guide rollers is precisely sprayed and cooled, and then the cooling water effectively flows to and covers the surface of one of the upper guide rollers, thereby ensuring the uniformity of the cooling process.
[0016] Optionally, the cutting guide is connected with an external water tank, and the upper cooling assembly further comprises a second upper pipeline in communication with the external water tank, the second upper pipeline being located in the upper box body, and the water outlet end of the second upper pipeline being located opposite to the outside of the other upper guide roller.
[0017] Through the above technical scheme, the cooling water in the external water tank is sprayed to the outside of the other upper guide roller through the second upper pipeline in communication, so that the other upper guide roller is uniformly cooled as a whole, and the external water tank facilitates the timely replenishment of cooling water, so that the cutting guide can continuously maintain cooling.
[0018] Optionally, the lower cooling assembly comprises a first lower pipeline in communication with the external water tank, the first lower pipeline being located in the lower box body, and the water outlet end of the first lower pipeline being located opposite to the outside of one of the lower guide rollers.
[0019] Through the above technical scheme, the cooling water in the external water tank is sprayed to the outside of one of the lower guide rollers through the water outlet end of the first lower pipeline, so that one of the lower guide rollers is uniformly cooled.
[0020] Optionally, the lower cooling assembly further comprises a second lower pipeline in communication with the external water tank, the second lower pipeline being located in the lower box body, and the water outlet end of the second lower pipeline being located opposite to the outside of the other lower guide roller.
[0021] Through the above technical scheme, the cooling water is sprayed to the outside of the other lower guide roller through the second lower pipeline, so that the surface of the other lower guide roller is fully covered by the cooling water, thereby ensuring the uniformity and stability of the cooling process.
[0022] Optionally, the cooling box is provided with a locking piece for locking the cooling box and the upper box body.
[0023] Through the above technical scheme, the cooling box and the upper box body are locked by the locking piece, thereby improving the stability of the cooling box.
[0024] In summary, the present application has at least one of the following beneficial technical effects:
[0025] 1. The cooling water in the cooling box precisely cools the upper guide roller assembly and the lower guide roller assembly through the water spray port, cools the outer side of the upper guide roller assembly through the upper cooling assembly, and cools the outer side of the lower guide roller assembly through the lower cooling assembly. Compared with the prior art, the cutting guide can comprehensively spray and cool the upper guide roller assembly and the lower guide roller assembly, so that the temperature of the upper guide roller assembly and the lower guide roller assembly uniformly decreases, which helps to maintain the stability of the material performance of the upper guide roller assembly and the lower guide roller assembly, thereby effectively prolonging the service life of the upper guide roller assembly and the lower guide roller assembly.
[0026] 2. The cooling water in the cooling box flows to the outer side of one of the upper guide rollers through the water guide pipe and the first upper pipe, precisely sprays and cools the outer side of one of the upper guide rollers, and then effectively flows to and covers the surface of one of the upper guide rollers, ensuring the uniformity of the cooling process.
[0027] 3. The cooling water in the external water tank sprays and cools the outer side of the other upper guide roller through the connected second upper pipe, ensuring that the other upper guide roller is uniformly cooled. The external water tank facilitates the timely replenishment of cooling water, ensuring that the cutting guide can continuously maintain cooling. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 is a structural schematic view of an embodiment of the present application;
[0029] Figure 2 is a cross-sectional view of an embodiment of the present application, which shows the positional relationship between the upper guide roller assembly, the lower guide roller assembly, the upper cooling assembly, and the lower cooling assembly;
[0030] Figure 3 is a local structural schematic view of an embodiment of the present application.
[0031] FIG. 1 is a local structural schematic view of an embodiment of the present application. DETAILED DESCRIPTION
[0032] The following will be described in detail in combination with the accompanying drawings. Figures 1-3 The present application will be further described in detail.
[0033] Embodiment:
[0034] A kind of cutting guide for guide roller cooling, refer to Figure 1 And Figure 2 Including upper box body 1 and lower box body 2, upper box body 1 is rotationally connected with upper guide roller assembly in, lower box body 2 is rotationally connected with lower guide roller assembly in, the top surface of upper box body 1 is fixedly connected with cooling tank 8, the side surface of cooling tank 8 is equipped with the interface 11 for cooling water to enter, cooling tank 8 is replenished with cooling water by interface 11, guarantees the stable and continuous water supply of cooling tank 8, the bottom surface of cooling tank 8 is equipped with the water jet 12 for spraying water cooling between two upper guide rollers 5 and two lower guide rollers 6, to realize the water spray cooling to the inside of two upper guide rollers 5 and the inside of two lower guide rollers 6, upper cooling assembly 13 is equipped on upper box body 1, for cooling the outside of two upper guide rollers 5, so that the outside of two upper guide rollers 5 is uniformly cooled, lower cooling assembly 14 for cooling the outside of two lower guide rollers 6 is equipped on lower box body 2, so that the outside of two lower guide rollers 6 is effectively cooled, cooling tank 8 and upper cooling assembly 13, lower cooling assembly 14 jointly act, so that the temperature of two upper guide rollers 5 and two lower guide rollers 6 is uniformly reduced, guarantee the stability of the material performance of two upper guide rollers 5 and two lower guide rollers 6.
[0035] Refer to Figure 1 Upper box body 1 is fixedly installed on the top surface of lower box body 2, a plurality of first threaded holes 3 of size shape are adapted and are correspondingly positioned and are opened on upper box body 1 and lower box body 2, first threaded hole 3 is all threadedly connected with first bolt 4, first bolt 4 is connected with lower box body 2 after passing through upper box body 1, realizes the locking and fixing of upper box body 1 and lower box body 2, lower box body 2 is fixedly installed on the frame of rolling mill, for supporting the whole cutting guide structure.
[0036] Refer to Figure 1 Locking part is equipped on cooling tank 8, in the embodiment, locking part is second bolt 10, second threaded hole 9 of size shape is adapted and is correspondingly positioned and is opened on upper box body 1 and cooling tank 8, second bolt 10 is threadedly connected in second threaded hole 9, second bolt 10 is threadedly locked with upper box body 1 after passing through cooling tank 8, to realize the locking and fixing of cooling tank 8 on upper box body 1.
[0037] Refer to Figure 2 Upper guide roller assembly includes two oppositely arranged upper guide rollers 5, lower guide roller assembly includes two oppositely arranged lower guide rollers 6, two lower guide rollers 6 are below two upper guide rollers 5, upper box body 1 and lower box body 2 are opened in the accommodating cavity 7 containing two upper guide rollers 5 and two lower guide rollers 6, accommodating cavity 7 penetrates the top surface and the bottom surface of upper box body 1 and lower box body 2.
[0038] Refer to Figure 2The bottom of the cooling box 8 is provided with two inclined surfaces 25 tangent to the two upper guide rollers 5 respectively, the water spraying port 12 comprises a first water spraying port 15 and a second water spraying port 16, the first water spraying port 15 and the second water spraying port 16 are arranged on the two inclined surfaces 25 respectively, the first water spraying port 15 and the second water spraying port 16 are opposite to the inner sides of the two upper guide rollers 5 respectively, so that the cooling water can be accurately sprayed to the inner sides of the two upper guide rollers 5, thereby achieving the best cooling effect, the two lower guide rollers 6 are located directly below the two upper guide rollers 5, the first water spraying port 15 and the second water spraying port 16 spray water to the inner sides of the two upper guide rollers 5, the water flowing through the inner sides of the two upper guide rollers 5 flows to the two lower guide rollers 6 below, thereby realizing the cooling of the inner sides of the two lower guide rollers 6.
[0039] With reference to Figure 2 and Figure 3 The upper cooling assembly 13 comprises an upper cooling structure 17 for cooling the outer side of one of the upper guide rollers 5, the upper cooling structure 17 comprises a water guide pipe 18, a first upper pipe 19, the water inlet end of the water guide pipe 18 is communicated with the cooling box 8, the water outlet end of the water guide pipe 18 is communicated with the water inlet end of the first upper pipe 19, the water guide pipe 18 is arranged on the top surface of the upper box body 1, the first upper pipe 19 is located in the upper box body 1, the cooling water in the cooling box 8 flows into the upper box body 1 through the water guide pipe 18 and the first upper pipe 19, the water outlet end of the first upper pipe 19 is arranged opposite to the outer side of one of the upper guide rollers 5, so as to ensure that the cooling water can be directly sprayed on the outer side of the upper guide roller 5, thereby making the cooling of the upper guide roller 5 more uniform, and further improving the cooling effect.
[0040] With reference to Figure 1 and Figure 2 The cutting guide is further connected with an external water tank 20, the external water tank 20 is connected with a plurality of water pumps 21, the upper cooling assembly 13 further comprises a second upper pipe 22, the water inlet end of the second upper pipe 22 is communicated with the external water tank 20, the second upper pipe 22 is located in the upper box body 1, and the water outlet end of the second upper pipe 22 is arranged opposite to the outer side of the other upper guide roller 5, so as to facilitate the accurate spraying of the cooling water in the second upper pipe 22 to the outer side of the upper guide roller 5, thereby realizing the effective cooling of the outer side of the upper guide roller 5, making the whole upper guide roller 5 uniformly cooled, and the external water tank 20 ensures that the cooling water can be continuously supplied.
[0041] With reference to Figure 1 and Figure 2The lower cooling assembly 14 includes a first lower pipe 23 for cooling one of the lower guide rollers 6, the first lower pipe 23 is located in the lower box body 2, the water inlet end of the first lower pipe 23 is communicated with the external water tank 20, and the water outlet end of the first lower pipe 23 is arranged opposite to the outer side of the lower guide roller 6, so that the cooling water of the first lower pipe 23 can be accurately sprayed to the outer side of the lower guide roller 6, and then the outer side of the lower guide roller 6 is effectively cooled. The lower cooling assembly 14 further includes a second lower pipe 24, the second lower pipe 24 is located in the box body, the water inlet end of the second lower pipe 24 is communicated with the external water tank 20, and the water outlet end of the second lower pipe 24 is arranged opposite to the outer side of the other lower guide roller 6, so that the cooling water of the second lower pipe 24 can be accurately sprayed to the outer side of the lower guide roller 6, and then the outer side of the lower guide roller 6 is effectively cooled. The cooling process of the two lower guide rollers 6 is more uniform. The external water tank 20 ensures the stable and continuous supply of water flow, so that the water spraying cooling process of the outer sides of the two lower guide rollers 6 is more stable.
[0042] The implementation principle of the embodiment of the present application is that the cooling water in the cooling tank 8 is sprayed to the inner sides of the two upper guide rollers 5 through the first water spraying port 15 and the second water spraying port 16, and the inner sides of the two upper guide rollers 5 are cooled. The water flowing through the inner sides of the two upper guide rollers 5 flows to the surfaces of the two lower guide rollers 6 below, and then the inner sides of the two lower guide rollers 6 are cooled. The water guide pipe 18 guides part of the cooling water in the cooling tank 8 to the first upper pipe 19, and the water outlet end of the first upper pipe 19 sprays the cooling water to the outer side of one of the upper guide rollers 5, so that the outer side of the upper guide roller 5 is uniformly cooled. The cooling tank 8 replenishes cooling water through the interface 11. At the same time, the water pump 21 is driven, the cooling water in the external water tank 20 is sprayed to the outer side of the other upper guide roller 5 through the second upper pipe 22, so that the outer side of the upper guide roller 5 is uniformly cooled. The cooling water is sprayed to the outer side of one of the lower guide rollers 6 through the first lower pipe 23, so that the outer side of the lower guide roller 6 is uniformly cooled. The cooling water is sprayed to the outer side of the other lower guide roller 6 through the second lower pipe 24, so that the outer side of the lower guide roller 6 is effectively cooled. Then, the cooling process of the two upper guide rollers 5 and the two lower guide rollers 6 is more uniform.
[0043] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A cutting guide for cooling down a guide roller, comprising a fixedly connected upper box body (1) and a lower box body (2), an upper guide roller assembly is rotatably connected in the upper box body (1), and a lower guide roller assembly is rotatably connected in the lower box body (2), characterized in that: The upper box body (1) is provided with a cooling box (8) for cooling the upper guide roller assembly, the cooling box (8) is provided with an interface (11) for the cooling water to enter the cooling box (8), the cooling box (8) comprises water spraying ports (12) for spraying water between the upper guide roller assemblies and between the lower guide roller assemblies, the upper box body (1) is provided with an upper cooling assembly (13) for cooling the outer side of the upper guide roller assembly, and the lower box body (2) is provided with a lower cooling assembly (14) for cooling the outer side of the lower guide roller assembly.
2. The slitting guide for cooling the guide roll according to claim 1, characterized in that: The water spraying ports (12) comprise first water spraying ports (15) and second water spraying ports (16) arranged on the bottom surface of the cooling box (8), and the first water spraying ports (15) and the second water spraying ports (16) are arranged opposite to the inner sides of the two upper guide rollers (5) respectively.
3. The slitting guide and guard for cooling a guide roll of claim 2, wherein: The bottom of the cooling box (8) is respectively provided with inclined surfaces (25) tangent to the outer circles of the two upper guide rollers (5), and the first water spraying ports (15) and the second water spraying ports (16) are arranged on the two inclined surfaces (25) respectively.
4. The slitting guide and guard for cooling a guide roll of claim 1, wherein: The upper cooling assembly (13) comprises an upper cooling structure (17) for cooling the outer side of one of the upper guide rollers (5), the upper cooling structure (17) comprises a water guide pipe (18) in communication with the cooling box (8), and a first upper pipeline (19) in communication with the water guide pipe (18), the first upper pipeline (19) is located in the upper box body (1), and the water outlet end of the first upper pipeline (19) is arranged opposite to the outer side of the upper guide roller (5).
5. The slitting guide and guard for cooling a guide roll of claim 4, wherein: The cutting guide is connected with an external water tank (20), the upper cooling assembly (13) further comprises a second upper pipeline (22) in communication with the external water tank (20), the second upper pipeline (22) is located in the upper box body (1), and the water outlet end of the second upper pipeline (22) is arranged opposite to the outer side of the other upper guide roller (5).
6. The slitting guide and guard for cooling a guide roll of claim 5, wherein: The lower cooling assembly (14) comprises a first lower pipeline (23) in communication with the external water tank (20), the first lower pipeline (23) is located in the lower box body (2), and the water outlet end of the first lower pipeline (23) is arranged opposite to the outer side of one of the lower guide rollers (6).
7. The slitting guide and guard for cooling a guide roll of claim 6, wherein: The lower cooling assembly (14) further comprises a second lower pipeline (24) in communication with the external water tank (20), the second lower pipeline (24) is located in the lower box body (2), and the water outlet end of the second lower pipeline (24) is arranged opposite to the outer side of the other lower guide roller (6).
8. The slitting guide and guard for cooling a guide roll of claim 1, wherein: The cooling box (8) is provided with a locking member for locking the cooling box (8) and the upper box body (1).