Composite layer wear-resistant continuous casting roller

Abstract

The utility model discloses a composite layer wear-resistant continuous casting roller which comprises a roller core, equidistant surrounding fixing holes are formed in a roller body of the roller core, communicated cooling holes are formed between the fixing holes, and a composite layer sleeve is sleeved outside the roller core through matching of the fixing holes and insertion columns in the composite layer sleeve and is fixed through a sealing plate. According to the utility model, the composite layer sleeve is sleeved outside, so that the service life of the roller core can be ensured, the composite layer sleeve can be replaced at any time, the cooling holes are formed in the roller core, and heat is dissipated through the cooling holes and the cooling liquid in the insertion columns.

Description

Technical Field

[0001] The utility model relates to the technical field of roller bodies, in particular to a composite layer wear-resistant continuous casting roller. Background Art

[0002] Covering a roller body with a wear surface comprising a wear-resistant material is well known in the grinding art. The wear surface may comprise a wear-resistant material achieved by applying wear-resistant studs in the surface or, in the case of wear-resistant rollers of the type mentioned above, a weld bead having a high content of carbides, which has long been known to have a hardness approaching that of diamond and is therefore often widely used in cutting or grinding where extreme wear and abrasion resistance is required. A weld bead comprising a wear-resistant and abrasion-resistant material welded on a roller is generally referred to as a roll hardfacing. The use of stud technology is generally too expensive to install or maintain and is also often insufficient for use at very high pressures (e.g. roller mills or roller crushers) due to failure of the connection to the roller body. Utility Model Content

[0003] In order to solve the above technical problems, a composite layer wear-resistant continuous casting roller is provided.

[0004] To achieve the above-mentioned purpose, the utility model is configured in a preferred embodiment to include a roller core, wherein the roller body of the roller core is provided with equidistantly surrounding fixing holes, and connecting cooling holes are provided between the fixing holes, and the outside of the roller core is connected with a composite layer sleeve through the matching sleeve of the fixing holes and the inserted columns in the composite layer sleeve, and is fixed by a sealing plate.

[0005] In a preferred embodiment, the utility model can be further configured to include a roller core, wherein the roller body of the roller core is provided with equidistantly surrounding fixing holes, and connected cooling holes are provided between the fixing holes. The outside of the roller core is connected with a composite layer sleeve through the matching sleeve of the fixing holes and the inserted columns in the composite layer sleeve, and is fixed by a sealing plate. The cooling holes are spiral and pass through each fixing hole.

[0006] In a preferred embodiment, the utility model can be further configured to include a roller core, wherein the roller body of the roller core is provided with equidistantly surrounding fixing holes, and connected cooling holes are provided between the fixing holes. A composite layer sleeve is located outside the roller core and is connected with the fixing holes through the matching sleeve of the inserted columns in the composite layer sleeve and is fixed by a sealing plate. The cooling holes are spiral and pass through each fixing hole. A metal wear-resistant layer is attached to the surface of the composite layer sleeve.

[0007] In a preferred embodiment, the utility model can be further configured to include a roller core, wherein the roller body of the roller core is provided with equidistantly surrounding fixing holes, and connected cooling holes are provided between the fixing holes, and a composite layer sleeve is connected to the outside of the roller core through the matching sleeve of the fixing holes and the inserted columns in the composite layer sleeve and fixed by a sealing plate, the cooling holes are spiral and pass through each fixing hole, a metal wear-resistant layer is attached to the surface of the composite layer sleeve, the interior of the inserted column is arranged as a hollow cavity, the cavity is filled with coolant, and a plug is provided at the tail of the inserted column.

[0008] In a preferred embodiment, the utility model can be further configured to include a roller core, wherein the roller body of the roller core is provided with equidistantly surrounding fixing holes, and connected cooling holes are provided between the fixing holes, and the outside of the roller core is connected with a composite layer sleeve through the fixing holes and the mating sleeve of the plug column in the composite layer sleeve, and is fixed by a sealing plate, the cooling hole is spiral and passes through each fixing hole, a metal wear-resistant layer is attached to the surface of the composite layer sleeve, the interior of the plug column is set as a hollow cavity, the cavity is filled with coolant, and a plug is provided at the tail of the plug column, the plug is an insert type, and the insert part is an externally threaded bolt body, which cooperates with the internally threaded hole at the tail end of the plug column.

[0009] In a preferred embodiment, the utility model can be further configured to include a roller core, wherein the roller body of the roller core is provided with equidistantly surrounding fixing holes, and connected cooling holes are provided between the fixing holes, and a composite sleeve is connected to the outside of the roller core through the fixing holes and the mating sleeve of the inserted column in the composite sleeve, and is fixed by a sealing plate, the cooling hole is spiral and passes through each fixing hole, a metal wear-resistant layer is attached to the surface of the composite sleeve, the interior of the inserted column is provided with a hollow cavity, the cavity is filled with coolant, a plug is provided at the tail of the inserted column, the plug is an insert type, the inserted part is an externally threaded bolt body, which cooperates with the internally threaded hole at the tail end of the inserted column, the sealing plate is a two-layer flange disc body, wherein the small-diameter disc body is embedded in the inner cavity of the composite sleeve and abuts against the roller core, and the large-diameter disc body is connected through its threaded hole and the fixing hole by a fastening bolt.

[0010] Beneficial effect: The utility model provides a composite wear-resistant continuous casting roller, which can ensure the service life of the roller core by externally sleeved with a composite sleeve, and the composite sleeve can also be replaced at any time. Cooling holes are also provided inside the roller core, and heat is dissipated through the cooling holes and the coolant in the plug column. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2It is a schematic diagram of the composite layer sleeve of the utility model.

[0014] Figure 3 This is a cross-sectional view of the roller core of the utility model.

[0015] Figure 4 It is an overall cross-sectional view of the utility model.

[0016] In the figure, 1 is a composite layer sleeve; 2 is a plug column; 3 is a roller core; 4 is a cooling hole; 5 is a fixing hole; and 6 is a sealing plate. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0018] like Figure 1-4 As shown, a composite layer wear-resistant continuous casting roller includes a roller core 3, wherein the roller body of the roller core 3 is provided with equidistantly surrounding fixing holes 5, and connected cooling holes 4 are provided between the fixing holes 5. The outside of the roller core 3 is connected with a composite layer sleeve 1 through the matching sleeve of the fixing holes 5 and the inserted columns 2 in the composite layer sleeve 1, and is fixed by a sealing plate 6. After the composite layer sleeve 1 is inserted, not only the service life of the roller core 3 can be increased, but also the roller 3 can be cooled by the composite layer sleeve 1.

[0019] The cooling hole 4 is spiral-shaped and passes through each fixing hole. When in use, it can transfer the area with low heat to the area with high heat, realize heat exchange, and further improve the cooling efficiency.

[0020] A metal wear-resistant layer is attached to the surface of the composite layer sleeve 1 to increase the wear resistance of the composite layer sleeve 1 .

[0021] The interior of the plug post 2 is configured as a hollow cavity, in which coolant is filled; a plug is provided at the tail of the plug post 2, which is an insertable plug having an external threaded bolt body that cooperates with the internal threaded hole at the tail end of the plug post 2 to facilitate replacement of the internal coolant.

[0022] The sealing plate 6 is a two-layer flange body, wherein the small diameter body is embedded in the inner cavity of the composite layer sleeve 1 and abuts against the roller core 3, and the large diameter body is connected through its threaded hole and the fixing hole 5 by fastening bolts.

[0023] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity from another entity, but do not necessarily require or imply the existence of any such actual relationship or order between these entities.

[0024] The above examples are merely illustrative of the present utility model and do not constitute a limitation on the protection scope of the present utility model. All designs that are identical or similar to the present utility model fall within the protection scope of the present utility model.

Claims

1. A composite layer wear-resistant continuous casting roller, characterized in that: The invention comprises a roller core (3), wherein the roller body of the roller core (3) is provided with equidistantly surrounding fixing holes (5), and communicating cooling holes (4) are provided between the fixing holes (5) and the fixing holes (5); the composite layer sleeve (1) is connected to the outside of the roller core (3) through the matching sleeve of the fixing holes (5) and the inserted columns (2) in the composite layer sleeve (1), and is fixed by a sealing plate (6).

2. The composite layer wear-resistant continuous casting roller according to claim 1, characterized in that: The cooling hole (4) is spiral-shaped and passes through each fixing hole (5).

3. The composite layer wear-resistant continuous casting roller according to claim 2, characterized in that: A metal wear-resistant layer is attached to the surface of the composite layer sleeve (1).

4. The composite layer wear-resistant continuous casting roller according to claim 3, characterized in that: The interior of the plug post (2) is arranged as a hollow cavity, the cavity is filled with cooling liquid, and a plug is arranged at the tail of the plug post (2).

5. The composite layer wear-resistant continuous casting roller according to claim 4, characterized in that: The plug is of an insert type, and the inserting part is an externally threaded bolt body, which cooperates with the internally threaded hole at the rear end of the plug column (2).

6. The composite layer wear-resistant continuous casting roller according to claim 5, characterized in that: The sealing plate (6) is a two-layer flange body, wherein the small-diameter body is embedded in the inner cavity of the composite layer sleeve (1) and abuts against the roller core (3), and the large-diameter body is connected through its threaded hole and the fixing hole (5) by means of a fastening bolt.

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