Chopping and cutting dual-purpose knife with hardened knife edge

Abstract

The utility model discloses a chopping and cutting dual-purpose knife with a hardened knife edge, which comprises a knife handle, a knife body and a knife edge which are integrally formed by a common carbon steel layer and are sequentially arranged from top to bottom, and a knife edge hardening part made of a high-carbon stainless steel layer, one part of the lowermost end of the knife edge is provided with an opening, and the other part of the lowermost end of the knife edge is provided with a chopping knife edge; the cutting edge hardening part is welded and fixed at the opening to form a cutting edge; according to the requirements of use purposes, the process that steel materials with different carbon contents are selected in different functional areas of the cutting edge is adopted, so that the cutter product can meet the use requirements of chopping and cutting; the cutting edge sharpness of the cutting edge front section cutting function area of the product is improved, and meanwhile, the material of the cutting edge rear section cutting function area is more suitable for daily cutting use requirements; and meanwhile, different materials can reflect different colors on the cutting edge, so that the appearance of the chopping and cutting dual-purpose knife and the grade of the whole product are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the cutting tool processing technical field, and it specifically relates to a cutting and chopping dual-purpose knife with hardened cutting edges. BACKGROUND

[0002] Most of the existing cutting and chopping dual-purpose knives are made of single metal material, such as the Chinese patent with the publication number CN205630700U, which discloses a meat cutting and bone chopping dual-purpose knife, comprising a handle, a blade body and a blade edge, the blade edge is divided into a meat cutting blade edge at the front end and a bone chopping blade edge at the rear end, and the longitudinal sections of them are wedge-shaped; the included angle of the outer end surface of the meat cutting blade edge is 4 to 10 degrees, and the included angle of the bone chopping blade edge is 40 to 60 degrees; the included angle of the meat cutting blade edge gradually increases from the outer end to the bone chopping blade edge. Since the blade edge is divided into a meat cutting blade edge section and a bone chopping blade edge section, and the blade opening angles of the two sections are designed to transition from small to large, it is not necessary to prepare multiple different cutting tools, and the conversion of the cutting tool for meat cutting, fish splitting and bone chopping can be realized, especially when chopping meat with bones or bones with meat, it is more convenient, not only saves the use cost of kitchen cutting tools, but also does not need to repeatedly replace the cutting tool like the traditional one, and it is very convenient to use, so its structure is more reasonable, and it can not only cut meat and split fish, but also chop large and small bones.

[0003] Although the above-mentioned patent document solves some problems in the prior art, the material of the cutting tool in the above-mentioned patent document can only be made of single metal material, and the chopping and cutting functions in daily use of the cutting tool cannot be considered due to the material selection, the steel with high carbon content has high hardness, which is suitable for cutting, but not suitable for chopping, because too high hardness will cause the blade edge to collapse during chopping; but ordinary carbon steel has low carbon content, and the hardness after heat treatment is low, in the case of large-angle blade opening, although it is suitable for chopping, the cutting function is poor, and it is not wear-resistant and durable, the blade edge is very easy to wear, and the experience is poor.

[0004] Therefore, it is necessary to design a cutting and chopping dual-purpose knife with hardened cutting edges, adopt a new structure and new process of cutting edge processing, so as to realize the application requirement that the cutting tool product can consider chopping and cutting. SUMMARY

[0005] The utility model aims at the defects in the prior art, and provides a knife edge hardening's chopping and cutting dual-purpose knife, it includes from the upper to the lower setting in turn by the common carbon steel layer integral forming and knife handle, sword body and knife edge, and the knife edge hardening part made by high carbon stainless steel layer, the lower end of the knife edge is set as the opening, and the other part is set as the chopping blade, the knife edge hardening part is welded and is fixed at the opening and forms the cutting blade, the utility model discloses the application according to the requirement of use purpose, and the technology of selecting different carbon content steel material in different function areas of blade edge makes the cutting tool product can consider the use demand of chopping and cutting two purposes, improves the sharpness of the blade edge of the product cutting function area in the front section, simultaneously makes the material of the chopping function area of the rear area of blade edge more suitable for the daily chopping use demand, simultaneously, different materials can reflect different color division in the blade edge, improves the appearance and overall product grade of chopping and cutting dual-purpose knife.

[0006] The utility model discloses the technical problem that needs to be solved lies in view of the deficiency in the prior art, and provides a knife edge hardening's chopping and cutting dual-purpose knife, it includes from the upper to the lower setting in turn by the common carbon steel layer integral forming and knife handle, sword body and knife edge, and the knife edge hardening part made by high carbon stainless steel layer,

[0007] The lower end of the knife edge is set as the opening, and the other part is set as the chopping blade,

[0008] The knife edge hardening part is welded and is fixed at the opening and forms the cutting blade.

[0009] Preferably, the common carbon steel layer is a 3CR13 material layer.

[0010] Preferably, the cutting blade length accounts for 75-80% of the overall blade length, and the chopping blade length accounts for 20-25% of the overall blade length.

[0011] Preferably, the cutting blade opening angle is 26±2 degrees, and the chopping blade opening angle is 35±2 degrees.

[0012] Compared with the prior art, the utility model has the following positive effects:

[0013] (1) the technology of selecting different carbon content steel material in different function areas of blade edge makes the cutting tool product can consider the use demand of chopping and cutting two purposes, improves the sharpness of the blade edge of the product cutting function area in the front section, simultaneously makes the material of the chopping function area of the rear area of blade edge more suitable for the daily chopping use demand, simultaneously different materials can reflect different color division in the blade edge, improves the appearance and overall product grade of chopping and cutting dual-purpose knife, thereby improves the quality and the competitiveness of product of product,

[0014] (2) The chopping and cutting dual-purpose knife structure can be applied to the structural design of all kitchen knives, improves the sharpness and material grade of the kitchen knife product, and improves the product quality and market competitiveness of the product.

[0015] (3) Through the improvement of the product structure process, the structure of the blade edge of all kitchen knives can be adapted, and meanwhile, the process investment cost is low, batch production can be adapted, and the competitiveness of the product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structural schematic view of a knife body of the chopping and cutting dual-purpose knife in the utility model;

[0017] Fig. 2 is a structural schematic view of a knife edge hardening part of the chopping and cutting dual-purpose knife in the utility model;

[0018] Fig. 3 is a structural schematic view of the chopping and cutting dual-purpose knife after assembly in the utility model;

[0019] The marks in the drawings are as follows: 11-knife handle, 12-knife body, 13-knife edge, 14-opening, 15-knife edge hardening part, and 16-chopping knife edge. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the specific embodiments. Figs. 1-3

[0021] Referring to the accompanying drawings, Figs. 1-3 provides a knife edge hardened chopping and cutting dual-purpose knife which comprises a knife handle 11, a knife body 12 and a knife edge 13 which are integrally formed by a common carbon steel layer and are sequentially arranged from top to bottom, and a knife edge hardening part 15 which is made of a high-carbon stainless steel layer;

[0022] A part of the lowermost end of the knife edge 13 is arranged as an opening 14, and the other part is a chopping knife edge 16;

[0023] The knife edge hardening part 15 is welded and fixed at the opening 14 to form a cutting knife edge;

[0024] The common carbon steel layer is a 3CR13 material layer;

[0025] The length of the cutting knife edge accounts for 75-80% of the overall knife edge length, and the length of the chopping knife edge 16 accounts for 20-25% of the overall knife edge length;

[0026] The opening angle of the knife edge of the cutting knife edge is 26±2 degrees, and the opening angle of the knife edge of the chopping knife edge 16 is 35±2 degrees;

[0027] The processing technology of the knife edge hardened chopping and cutting dual-purpose knife comprises the following steps:​

[0028] First step: blanking of the cutter body, after processing, the structure of the cutter body as shown in Fig. 1 ;

[0029] Second step: blanking of the blade hardening part, after processing, the structure of the blade hardening part as shown in Fig. 2 ;

[0030] Third step: welding the cutter body material obtained in step one and the blade hardening material obtained in step two, after processing, the structure of the assembled product as shown in Fig. 3 ;

[0031] Fourth step: the blade hardening part uses high-carbon stainless steel to improve the blade hardness and enhance the blade sharpness, and after welding with the cutter body material, it is processed by heat treatment;

[0032] The cutter body material uses 3CR13 material, after welding with the blade hardening part and heat treatment, it has the hardness of a general ordinary cutter, and cooperates with a large blade opening angle, suitable for chopping chicken, duck and fish bones;

[0033] Fifth step: control the blade opening angle of different functional areas, the blade hardening part is processed by blade hardening technology for normal cutting use; the blade opening angle is 26±2 degrees; the cutter body material is not processed by blade hardening technology, and is used for chopping chicken, duck and fish bones; the blade opening angle is 35± degrees; as shown in Fig. 3 .

[0034] Compared with the prior art, the positive effects of the utility model are:

[0035] (1) By applying according to the requirements of the use purpose, the technology of selecting different carbon content steel materials in different functional areas of the blade makes the cutter product meet the use requirements of chopping and cutting; improves the blade sharpness of the front cutting functional area of the blade, and makes the material of the rear area of the blade more suitable for the daily chopping use requirements; at the same time, different materials are embodied in different color areas to improve the appearance of the chopping and cutting knife and the overall product grade; thereby improving the quality of the product and enhancing the competitiveness of the product;

[0036] (2) The structure of the chopping and cutting knife can be applied to the structural design of all kitchen cutters to improve the sharpness, material grade, product quality and market competitiveness of the kitchen cutter product; through the above design, the application of the kitchen cutter product is enriched;

[0037] (3) Through the improvement of the product structure technology, it can adapt to the structure of all kitchen cutter blades; at the same time, the technology has low cost and can adapt to batch production, thereby improving the competitiveness of the product.

[0038] To sum up, only the preferred technical solutions of the present application, the skilled in the art of some of the parts may make some changes to the principle of the present application, all should be the technical scope of the present application.

Claims

1. A knife with a sharpened edge and a chopping edge, characterized in that It comprises a handle (11), a body (12) and a cutting edge (13) which are integrally formed by a common carbon steel layer and arranged in sequence from top to bottom, and a cutting edge hardening part (15) made of a high-carbon stainless steel layer; A part of the lowermost end of the cutting edge (13) is arranged as an opening (14), and another part is arranged as a chopping blade (16); The cutting edge hardening part (15) is welded and fixed at the opening (14) to form a cutting blade.

2. The utility knife of claim 1, wherein the blade is a sharpened utility knife blade. The common carbon steel layer is a 3CR13 material layer.

3. The utility knife of claim 1, wherein the blade is a sharpened utility knife blade. The length of the cutting blade accounts for 75-80% of the overall blade length, and the length of the chopping blade (16) accounts for 20-25% of the overall blade length.

4. The utility knife of claim 3, wherein the blade is a sharpened utility knife blade. The cutting edge opening angle of the cutting blade is 26±2 degrees, and the cutting edge opening angle of the chopping blade (16) is 35±2 degrees.

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