CN100462192C - Method of producing cutting tool steel board of complex blades - Google Patents
Method of producing cutting tool steel board of complex blades Download PDFInfo
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- CN100462192C CN100462192C CNB2007100109413A CN200710010941A CN100462192C CN 100462192 C CN100462192 C CN 100462192C CN B2007100109413 A CNB2007100109413 A CN B2007100109413A CN 200710010941 A CN200710010941 A CN 200710010941A CN 100462192 C CN100462192 C CN 100462192C
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Abstract
The process of making double composite steel plate for cutting tool includes the following steps: taking one large cutter body steel plate and one small cutter edge steel plate in the same length, shaving one slot in the cutter body steel plate and embedding the cutter edge steel plate in the slot, heating to the eutectic temperature and forging and welding in a forging machine in the thickness deformation of 48-52 %, heating to 1100-1200 deg.c and rolling in a rolling mill for welding in the deformation rate of 70-90 %, heat treatment, rolling and fixing, and splitting along the central line to obtain two double composite steel plates for cutting tool. The present invention has high compounding strength, stable product quality, low product cost, and may be used in producing shears and planer tool.
Description
Technical field
The present invention relates to a kind of composite cutting tool steel plate that is used to make cutlery, particularly a kind of manufacture method of cutlery steel plate of two compound blades of making cutlery.
Background technology
Cutlery is the instrument that is used to cut or break apart by chopping some article.Cutlery has cutter hub, and cutter hub has continuous blade and blade, and cutter hub can be connected with handle of a knife.Blade is used for realizing the cutting of cutlery or breaks apart by chopping function that blade is used for fixing blade and determines the shape of cutter hub.Press the function of blade and blade, the steel of knife edge part should have higher intensity, higher hardness, toughness preferably, more excellent rustless property, make the cutlery blade of making sharp, do not collapse, stainless, the steel of blade part can be selected common straightcarbon steel for use, and for antirust and attractive in appearance, the steel of blade part also can be selected stainless steel for use.Shear steel is not a kind of steel grade of special-purpose steel, can select generally that intensity is higher in the existing type of steels, hardness is higher for use, toughness is better, rustless property is the steel of excellent comprehensive mechanical property preferably, as phosphorus content greater than 0.6% carbon constructional quality steel, carbon tool steel, alloy tool steel, spring steel, bearing steel etc., also useful exclusive, close special shear steel of not passing on a skill of craft to others.The price of general shear steel is higher, blade and blade all use above-mentioned shear steel to make not only to make the cutlery cost of making higher, also unreasonable with material, for reducing cost, rationally utilizing steel, someone develops three layer clad sheet steel used for cutting-tool, the intermediate layer of three layer clad sheet steel is a shear steel, and two skins are blade steel.In order further to reduce cost, rationally to utilize the shear steel of costliness of steel, saving price, the somebody develops the cutlery steel plate with compound blade.In the prior art, Chinese patent ZL 02 2 27654 discloses a kind of composite stainless steel kitchen cutter, the blade steel plate and the blade steel plate of its cutter hub are to be combined with each other with argon arc welding, the blade steel plate is the compound three-ply plate of blast, in the three-ply plate that blast is synthesized, the intermediate layer is a shear steel, and the both sides layer is a stainless steel, and blade is the blade steel identical with above-mentioned stainless steel.This blade with cutlery steel plate of compound blade is that three-layer metal is compound, the two sides that the cutlery steel plate can only be made blade all be the inclined-plane, can be used to the cutlery that cuts or break apart by chopping, the one side that can not make blade is that the inclined-plane another side is the scissors on plane and the cutter hub of planing tool.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned deficiency, propose a kind of blade and be manufacture method with the cutlery steel plate of the compound two compound blades that can make scissors and planing tool cutter hub of bimetallic.
The present invention is achieved using the following method.
The manufacture method of the cutlery steel plate of two compound blades has the following steps:
1. get the blade steel rectangular steel plates and the shear steel rectangular steel plates of equal in length, the width of shear steel rectangular steel plates is 30%～35% of a blade steel rectangular steel plates width, and the thickness of shear steel rectangular steel plates is 30%～50% of blade steel rectangular steel plates thickness;
2. the lower surface to the shear steel rectangular steel plates eliminates rust, and oil removing, removal of impurities surface treatment obtain handling the shear steel steel plate;
On blade steel rectangular steel plates, to dig the cross section that the degree of depth equates with the thickness of shear steel rectangular steel plates, the bottom land width equates with the width of shear steel rectangular steel plates along the center line direction be trapezoidal groove, the width of notch is bigger 6～10 millimeters than the width of bottom land, the underneath of shear steel rectangular steel plates at the bottom of dovetail groove, welded together with two sides of dovetail groove respectively two sides of shear steel rectangular steel plates, obtain inlaying blanket;
4. be heated to eutectic temperature inlaying blanket, forge and press welding with forging press to inlaying the base plate, making the thickness deformation rate of inlaying the base plate is 15%～20%, obtains forging and pressing welded plate;
5. the forging and pressing welded plate is heated to 1100～1200 ℃, with rolling mill the forging and pressing welded plate is rolled seam, making the thickness deformation rate of forging and pressing welded plate is 70%～90%, obtains rolling welded plate;
6. the calendering welded plate is cut open along center line, obtained the cutting tool steel panel products of two two compound blades.
The present invention is a raw material with blade steel rectangular steel plates and shear steel rectangular steel plates, base is inlayed in employing, the forging and pressing welding, the method of calendering seam is combined with each other blade steel plate and blade steel plate securely, the combined strength bination height, used equipment is common apparatus in the recombination process, easy control of process conditions, the quality of product is controlled easily, constant product quality, make the knife edge part of cutlery steel plate of two compound blades compound by shear steel and blade steel, the one side that can make blade is that the inclined-plane another side is the scissors on plane and the cutter hub of planing tool, because cutter hub is with forging, the method processing of pressing is compound, blade steel one integrated mass, even tissue, rational in infrastructure, can save expensive shear steel, production cost is lower.
Below in conjunction with embodiment, the present invention is further described.
The specific embodiment
The knife edge part of the cutlery steel plate of the two compound blades that produce by the present invention is shear steel on one side, and another side is the blade steel.Shear steel is that intensity is higher, hardness is higher, toughness is better, rustless property is the steel of excellent comprehensive mechanical property preferably, shear steel can be that intensity is higher in the existing type of steels, hardness is higher, toughness is better, rustless property is the steel of excellent comprehensive mechanical property preferably, the steel of hardness HRC 〉=55 after particularly quenching, as phosphorus content greater than 0.6% carbon constructional quality steel, carbon tool steel, alloy tool steel, spring steel, bearing steel etc., also useful exclusive, close special shear steel of not passing on a skill of craft to others.The blade steel can be selected common straightcarbon steel for use, and for antirust and attractive in appearance, the blade steel also can be selected stainless steel for use.Cutlery can be the multiple combination of above-mentioned shear steel steel plate and blade steel steel plate with the cutlery steel plate of two compound blades.
The manufacture method of the cutlery steel plate of two compound blades has the following steps:
1. the blade steel 1Cr13 steel rectangular steel plates and the length of getting length and be 300 millimeters width and be 300 millimeters thickness and be 50 millimeters are that 300 millimeters width are that 100 millimeters thickness are shear steel T8 steel rectangular steel plates of 20 millimeters;
2. the lower surface to the shear steel rectangular steel plates eliminates rust, and oil removing, removal of impurities surface treatment obtain handling the shear steel steel plate;
On blade steel rectangular steel plates, to dig the degree of depth along the center line direction be that 20 millimeters bottom land width are that 100 millimeters cross section is trapezoidal groove, the width of notch is bigger 6 millimeters than the width of bottom land, the underneath of shear steel rectangular steel plates at the bottom of dovetail groove, welded together with two sides of dovetail groove respectively two sides of shear steel rectangular steel plates, obtain inlaying blanket;
4. be heated to 1050 ℃ eutectic temperature inlaying blanket, forge and press welding with forging press to inlaying the base plate, making the thickness deformation rate of inlaying the base plate is 18%, obtains forging and pressing welded plate;
5. the forging and pressing welded plate is heated to 1100～1200 ℃, with rolling mill the forging and pressing welded plate is rolled seam, making the thickness deformation rate of forging and pressing welded plate is 80%, obtains rolling welded plate;
6. the calendering welded plate is cut open along center line, obtained the cutting tool steel panel products of two two compound blades.
To the calendering welded plate of making also can heat-treat, cold rolling, surperficial press polish typing.Step is:
1. the calendering welded plate is carried out gas shield or atmosphere annealing heat treatment 780～820 ℃ temperature; Obtain the heat treatment plate;
2. oil removing, rust cleaning, removal of impurities processing are carried out in the surface of heat treatment blank plate, obtain the surface treatment plate
3. with milling train surperficial disposable plates is carried out cold rolling, press polish typing and obtain cold rolling calendering welded plate.
The blade steel of the cutlery steel plate of two compound blades is 1Cr13 steel in the foregoing description, shear steel is the T8 steel, need when the smithwelding moulding that earlier composite blank is heated to 1050 ℃ eutectic temperature and forge and press welding again, need during seam earlier seam ℃ is rolled again in smithwelding blank heating to 1100～1200 in calendering, heat treatment temperature is 780～820 ℃.Because it is a lot of to can be used as the steel grade class of blade steel and shear steel, the blade steel of the cutlery steel plate of manufacturing two-layer compound blade and the combination of shear steel are also a lot, when the cutlery steel plate of two compound blades is above-mentioned other blade steel and shear steel combination, can chooses corresponding forging and pressing according to used steel difference and weld required eutectic temperature, calendering seam temperature and heat treatment temperature.
Claims (5)
1. the manufacture method of the cutlery steel plate of two compound blades is characterized in that: have the following steps:
(1) get the blade steel rectangular steel plates and the shear steel rectangular steel plates of equal in length, the width of shear steel rectangular steel plates is 30%～35% of a blade steel rectangular steel plates width, and the thickness of shear steel rectangular steel plates is 30%～50% of blade steel rectangular steel plates thickness,
(2) lower surface to the shear steel rectangular steel plates eliminates rust, and oil removing, removal of impurities surface treatment obtain handling the shear steel steel plate;
(3) on blade steel rectangular steel plates, to dig the cross section that the degree of depth equates with the thickness of shear steel rectangular steel plates, the bottom land width equates with the width of shear steel rectangular steel plates along the center line direction be trapezoidal groove, the width of notch is bigger 6～10 millimeters than the width of bottom land, the underneath of shear steel rectangular steel plates at the bottom of dovetail groove, welded together with two sides of dovetail groove respectively two sides of shear steel rectangular steel plates, obtain inlaying blanket;
(4) be heated to eutectic temperature inlaying blanket, forge and press welding with forging press to inlaying the base plate, making the thickness deformation rate of inlaying the base plate is 15%～20%, obtains forging and pressing welded plate;
(5) the forging and pressing welded plate is heated to 1100～1200 ℃, with rolling mill the forging and pressing welded plate is rolled seam, making the thickness deformation rate of forging and pressing welded plate is 70%～90%, obtains rolling welded plate;
(6) the calendering welded plate is cut open along center line, obtained the cutting tool steel panel products of two two compound blades.
2. press the manufacture method of the cutlery steel plate of the described two compound blades of claim 1, it is characterized in that: described shear steel is the steel of hardness HRC 〉=55 after quenching, and the blade steel is the carbon element steel or stainless steel.
3. press the manufacture method of the cutlery steel plate of the described two compound blades of claim 1, it is characterized in that: described shear steel steel plate is that length is that 300 millimeters width are that 100 millimeters thickness are T8 steel plates of 20 millimeters, blade steel steel plate is that length is that 300 millimeters width are that 300 millimeters thickness are 1Crl3 steel plates of 50 millimeters
4. press the manufacture method of the cutlery steel plate of claim 1,2 or 3 described two compound blades, it is characterized in that: described with rolling mill the forging and pressing welded plate to be rolled seam be with hot-rolling mill the smithwelding blank plate to be carried out multi-pass calendering seam, and every time thickness deformation rate is 10%～30%.
5. by the manufacture method of the cutlery steel plate of claim 1,2 or 3 described two compound blades, it is characterized in that: describedly the forging and pressing welded plate is rolled after seam obtains rolling welded plate, also have the following steps with rolling mill:
(1) the calendering welded plate is carried out gas shield or atmosphere annealing heat treatment 780～820 ℃ temperature; Obtain the heat treatment plate;
(2) oil removing, rust cleaning, removal of impurities processing are carried out in the surface of heat treatment plate, obtain the surface treatment plate;
(3) with milling train surperficial disposable plates is carried out cold rolling press polish typing, obtain the calendering welded plate of cold rolling press polish typing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100109413A CN100462192C (en) | 2007-04-13 | 2007-04-13 | Method of producing cutting tool steel board of complex blades |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100109413A CN100462192C (en) | 2007-04-13 | 2007-04-13 | Method of producing cutting tool steel board of complex blades |
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| Publication Number | Publication Date |
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| CN101032792A CN101032792A (en) | 2007-09-12 |
| CN100462192C true CN100462192C (en) | 2009-02-18 |
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| CNB2007100109413A Active CN100462192C (en) | 2007-04-13 | 2007-04-13 | Method of producing cutting tool steel board of complex blades |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550470A (en) * | 2014-12-30 | 2015-04-29 | 苏州欧美克合金工具有限公司 | Burr-free punch with high toughness |
| JP6515376B2 (en) * | 2015-03-26 | 2019-05-22 | 中国科学院金属研究所 | Construction molding method for manufacturing homogenized forgings |
| CN106363671A (en) * | 2015-07-21 | 2017-02-01 | 上海新威加利工业刀具有限公司 | Civil scissor composite |
| CN111349760A (en) * | 2020-04-30 | 2020-06-30 | 重庆派斯克刀具制造股份有限公司 | Quick-change planer tool heat treatment processing technique |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2351273Y (en) * | 1998-11-23 | 1999-12-01 | 李同春 | Composite sheet for knife |
| CN2360255Y (en) * | 1998-08-26 | 2000-01-26 | 李同春 | Composite board for knife and shears |
| JP2000239711A (en) * | 1999-02-22 | 2000-09-05 | Keita Hirai | Method for producing powder metallurgical blade |
| CN2541139Y (en) * | 2002-05-19 | 2003-03-26 | 李积回 | Composite stainless steel kitchen knife |
| CN1537699A (en) * | 2003-04-15 | 2004-10-20 | 林瑞钦 | Composite forming cutter or combine object processing method |
| CN1608760A (en) * | 2004-11-17 | 2005-04-27 | 常州新金田工具有限公司 | Production process of composite steel for tools |
| CN1879998A (en) * | 2005-08-15 | 2006-12-20 | 常州机械刀片有限公司 | High rate steel and low carbide steel oxygen-free inlay process |
-
2007
- 2007-04-13 CN CNB2007100109413A patent/CN100462192C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2360255Y (en) * | 1998-08-26 | 2000-01-26 | 李同春 | Composite board for knife and shears |
| CN2351273Y (en) * | 1998-11-23 | 1999-12-01 | 李同春 | Composite sheet for knife |
| JP2000239711A (en) * | 1999-02-22 | 2000-09-05 | Keita Hirai | Method for producing powder metallurgical blade |
| CN2541139Y (en) * | 2002-05-19 | 2003-03-26 | 李积回 | Composite stainless steel kitchen knife |
| CN1537699A (en) * | 2003-04-15 | 2004-10-20 | 林瑞钦 | Composite forming cutter or combine object processing method |
| CN1608760A (en) * | 2004-11-17 | 2005-04-27 | 常州新金田工具有限公司 | Production process of composite steel for tools |
| CN1879998A (en) * | 2005-08-15 | 2006-12-20 | 常州机械刀片有限公司 | High rate steel and low carbide steel oxygen-free inlay process |
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| CN101032792A (en) | 2007-09-12 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liaoning Huayang New Group Assignor: Liaoning Xinhuayang Cutting-tool Composite Material Co., Ltd. Contract fulfillment period: 2009.7.28 to 2017.2.18 contract change Contract record no.: 2009210000209 Denomination of invention: Method of producing cutting tool steel board of complex blades Granted publication date: 20090218 License type: Exclusive license Record date: 2009.9.30 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.28 TO 2017.2.18; CHANGE OF CONTRACT Name of requester: LIAONING XINHUAYANG WEIYE EQUIPMENT MANUFACTURING Effective date: 20090930 |
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| ASS | Succession or assignment of patent right |
Owner name: LIAONING HUAYANG NEW GROUP Free format text: FORMER OWNER: LIAONING XINHUAYANG CUTTING-TOOL COMPOSITE MATERIAL CO., LTD. Effective date: 20120511 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120511 Address after: Wanquan road Tieling high tech Industrial Development Zone in Liaoning province xintaizi town of Tieling County in Liaoning province 112611 No. 1 Patentee after: Liaoning Huayang New Group Address before: Wanquan road Tieling high tech Industrial Development Zone in Liaoning province xintaizi town of Tieling County in Liaoning province 112611 No. 1 Patentee before: Liaoning Xinhuayang Cutting-tool Composite Material Co., Ltd. |