Flying shear blade for shearing strong water-cooled steel bars

Abstract

The utility model relates to the technical field of flying shear blades, and discloses a flying shear blade for shearing strong water-cooled steel bars, which comprises a cutter body and a protective shell, a cutter edge is arranged inside the upper end of the cutter body, and the cutter edge and the cutter body are integrally formed; the three circular truncated cone holes are formed in one side of the rear end of the cutter body, the three circular truncated cone holes are distributed at equal intervals, a cylindrical hole is formed in the front end of each circular truncated cone hole, and the cylindrical holes are communicated with the circular truncated cone holes. The shearing strength of the knife edge is improved by changing the shape of the knife edge.

Description

TECHNICAL FIELD

[0001] The utility model relates to flying shear blade technical field, concretely is a kind of for cutting strong water-cooled reinforcing bar flying shear blade. BACKGROUND

[0002] With the gradual development of domestic steel production to high quality, high efficiency, low cost direction, the rolling mill bar production workshop, especially the older workshop, the production line rolling speed, production reinforcing bar performance index are strengthened, its rolling water cooling system is inevitably faced with gradual upgrading, water cooling intensity increases, reinforcing bar surface temperature is low.

[0003] In the case of not back temperature, double-length shearing is executed, and the performance requirement of shearing blade is rapidly improved, therefore, a kind of flying shear blade for cutting strong water-cooled reinforcing bar is provided. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of flying shear blade for cutting strong water-cooled reinforcing bar to solve the problems in the above background art.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of flying shear blade for cutting strong water-cooled reinforcing bar, comprising:

[0008] The cutting body and the protective shell are integrally formed with the cutting body on the upper end of the cutting body.

[0009] The circular table hole is arranged on one side of the rear end of the cutting body, and the circular table hole is provided with three equidistantly distributed circular table holes, and the front end of the circular table hole is provided with a cylindrical hole, and the cylindrical hole is communicated with the circular table hole.

[0010] Preferably, the inside of the protective shell is provided with a storage groove, and the lower end of the inside of the storage groove is provided with a protrusion.

[0011] Preferably, the lower end of the cutting body is provided with a groove on one side, and the groove is integrally formed with the cutting body, and the protrusion and the groove improve the adaptability of the cutting body and the protective shell.

[0012] Preferably, the protrusion and the groove are matched, the inside of the storage groove is provided with three equidistantly distributed limiting circular tables, and the circular table hole and the limiting circular table are matched, and the limiting circular table and the circular table hole limit the cutting body.

[0013] Preferably, the limiting circular table is provided with a limiting cylinder outside, and the limiting cylinder is provided with a plug rod outside.

[0014] Preferably, the inner rear end of the protective shell is internally provided with a socket, and a plug rod is matched with the socket, and the plug rod is inserted into the socket so as to limit the protective shells when the protective shells are stacked.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, the flying shear blade for shearing strong water-cooled steel bars has the following beneficial effects:

[0017] Compared with the original blade, the material, processing technology, heat treatment process and surface hardness are unchanged, only the blade edge shape is changed, the traditional flat blade edge is changed into a hole-shaped blade edge, the steel discharge precision of the flying shear front guide groove is improved to cooperate with the narrow shearing area limitation, different specifications of steel bars use different hole-shaped size blades for shearing, so that the blade edge toughness is improved, and the blade edge explosion risk is reduced, the hole-shaped blade structure can effectively alleviate the local stress concentration problem of the blade edge when shearing a circular bar, and provides a low-cost improvement idea for the upgrading of the doubling shear matching in the upgrading process of the rolled bar production line. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of the blade body structure of the utility model;

[0019] Figure 2 It is a perspective view of the protective shell structure of the utility model;

[0020] Figure 3 It is a perspective view of the blade body and the protective shell in the merged state of the utility model;

[0021] Figure 4 It is a sectional view of the blade body and the protective shell of the utility model.

[0022] In the drawing: 1, blade body; 2, blade edge; 3, cylindrical hole; 4, round table hole; 5, groove; 6, protective shell; 7, limiting round table; 8, limiting cylinder; 9, plug rod; 10, socket; 11, protruding block; 12, storage groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] The utility model provides a technical scheme, a flying shear blade for shearing strong water-cooled steel bars, please refer to Figure 1 、 Figure 2 、 Figure 3and Figure 4 , comprising:

[0025] The knife body 1 is internally provided with a blade 2 at the upper end of the knife body 1, and the blade 2 is integrally formed with the knife body 1.

[0026] The circular table hole 4 is provided on one side of the rear end of the knife body 1, and the circular table hole 4 is provided with three, and the three circular table holes 4 are equidistantly distributed, and the front end of the circular table hole 4 is provided with a cylindrical hole 3, and the cylindrical hole 3 is communicated with the circular table hole 4.

[0027] Please refer to the figure, the inside of the protective shell 6 is provided with a storage groove 12, and the lower end of the inside of the storage groove 12 is provided with a protruding block 11.

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , one side of the lower end of the knife body 1 is provided with a recess 5, and the recess 5 is integrally formed with the knife body 1, and the protruding block 11 is combined with the recess 5 to improve the fitting degree of the knife body 1 and the protective shell 6.

[0029] Please refer to Figure 2 、 Figure 3 and Figure 4 , the protruding block 11 is matched with the recess 5, the inside of the storage groove 12 is provided with three equidistantly distributed limiting circular tables 7, and the circular table hole 4 is matched with the limiting circular table 7, and the limiting circular table 7 is combined with the circular table hole 4 to limit the knife body 1.

[0030] Please refer to Figure 2 、 Figure 3 and Figure 4 , the outside of the limiting circular table 7 is provided with a limiting cylinder 8, and the outside of the limiting cylinder 8 is provided with a plug rod 9.

[0031] Please refer to Figure 2 、 Figure 3 and Figure 4 , the inside of the rear end of the protective shell 6 is provided with a plug hole 10 inside the limiting circular table 7, and the plug rod 9 is matched with the plug hole 10, and the plug rod 9 is inserted into the plug hole 10 so as to limit each other when the protective shell 6 is stacked.

[0032] The scheme: the cutter body 1 is placed in the storage groove 12 of the protective shell 6, the limiting circular table 7 is combined with the circular table hole 4, the limiting cylinder 8 is inserted into the cylinder hole 3 at this time, and then the cutter body 1 is limited in the interior of the protective shell 6, at the same time, the convex block 11 is combined with the recess 5, when the protective shells 6 are stacked, the additional protective shell 6 is placed on the upper end, the plug rod 9 is combined with the plug hole 10, so as to limit the stacking of the protective shell 6, the cutting edge 2 shear strength is improved by changing the shape of the cutting edge 2, without improving and upgrading the water cooling device and the double flying shear machine, the blade strength is obviously improved, through mechanical analysis, the strength of the cutting edge 2 is greatly improved, through the workshop use effect verification, the blade life is improved by about six times, and the blade burst phenomenon no longer occurs.

[0033] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A flying shear blade for shearing a high-strength water-cooled steel bar, characterized by, Include: The knife body (1) and the protective shell (6), the inside of the upper end of the knife body (1) is provided with a knife edge (2), and the knife edge (2) is integrally formed with the knife body (1); The circular table hole (4) is arranged on one side of the rear end of the knife body (1), the circular table hole (4) is provided with three, and the three circular table holes (4) are equidistantly distributed, the front end of the circular table hole (4) is provided with a cylindrical hole (3), and the cylindrical hole (3) is communicated with the circular table hole (4).

2. The flying shear blade for shearing high-strength water-cooled steel bars according to claim 1, characterized in that: The inside of the protective shell (6) is provided with a storage groove (12), and the lower end of the inside of the storage groove (12) is provided with a protrusion (11).

3. The flying shear blade for shearing high-strength water-cooled steel bars according to claim 2, characterized in that: The lower end of the knife body (1) is provided with a groove (5) on one side, and the groove (5) is integrally formed with the knife body (1).

4. The flying shear blade for shearing high-strength water-cooled steel bars according to claim 3, characterized in that: The protrusion (11) is matched with the groove (5), the inside of the storage groove (12) is provided with three equidistantly distributed limiting circular tables (7), and the circular table hole (4) is matched with the limiting circular table (7).

5. The flying shear blade for shearing high-strength water-cooled steel bars according to claim 4, characterized in that: The outside of the limiting circular table (7) is provided with a limiting cylinder (8), and the outside of the limiting cylinder (8) is provided with a plug rod (9).

6. The flying shear blade for shearing high-strength water-cooled steel bars according to claim 5, characterized in that: The rear end of the inside of the protective shell (6) is provided with a plug hole (10) in the inside of the limiting circular table (7), and the plug rod (9) is matched with the plug hole (10).

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