CN105149404A - Manufacturing method of hacking knife - Google Patents
Manufacturing method of hacking knife Download PDFInfo
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- CN105149404A CN105149404A CN201510709787.3A CN201510709787A CN105149404A CN 105149404 A CN105149404 A CN 105149404A CN 201510709787 A CN201510709787 A CN 201510709787A CN 105149404 A CN105149404 A CN 105149404A
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Abstract
The invention belongs to the technical field of cutting tool manufacturing and particularly relates to a manufacturing method of a hacking knife. The hacking knife comprises a knife body and knife handle; the manufacturing method of the hacking knife comprises the following steps: 1, manufacturing a knife back, wherein a hammer, a clamp and a knife back manufacturing device are used for striking and pressing an iron block for formation; 2, manufacturing a knife plate, wherein an iron block is placed in a knife plate die, and the knife plate is integrally formed through the punching of a punching machine; 3, manufacturing a knife edge, wherein round steel is placed in a knife edge die, and hammering is continued till formation; 4, manufacturing the knife handle, wherein the knife handle is formed by punching an iron block twice; 5, matching and welding the knife edge, the knife plate, the knife back and the knife handle which are obtained through machining together; 6, striking a hacking knife obtained after welding to be flat, conducting sanding, and finally sharpening a blade so that the hacking knife can be formed. The manufacturing method of the hacking knife has the advantages of being easy and convenient to manufacture and high in yield, and the hacking knife obtained through the method is easy, convenient and efficient to use and long in service life.
Description
Technical field
The present invention relates to cutter manufacture technical field, particularly relate to a kind of manufacture method of chopper.
Background technology
Existing chopper needs to beat with hammer shaping in the fabrication process, wastes time and energy, and manufactures complicated, and is easy to crack between the edge of a knife and knife plate, reduce yield rate.The existing chopper in use edge of a knife is easy to disconnected steel, and produce breach, result of use is poor.As the patent No. be 200720191722.5 patent discloses a kind of Phyllostachys pubescens hacking knife, comprise sharp knife head and blade, sharp knife head is positioned at center, and to being externally connected with three to ten six blades, the outer end of blade is fixed with circular knob handle.This Phyllostachys pubescens hacking knife complicate fabrication process, and use inconvenient.The patent No. be CN203460192U patent discloses a kind of chopper, this chopper light structure, but the knife back, the edge of a knife and knife plate are one-body molded, require great effort during use, and easily there is disconnected steel phenomenon in the edge of a knife, and service life is short.
Summary of the invention
The present invention provides according to existing technical problem and a kind ofly manufactures manufacture method that is simple, high, the easy to use efficient chopper of yield rate.
The technical solution adopted for the present invention to solve the technical problems is: a kind of manufacture method of chopper, and described chopper comprises cutter hub and handle of a knife; The manufacture method of described chopper comprises the following steps:
Step one, the manufacture knife back, first burn iron block red in 650 DEG C ~ 700 DEG C, be then fixed in knife back manufacturing installation, then struck by iron block molded with the use of hammer, fixture and knife back manufacturing installation;
Step 2, manufacture knife plate, be placed in knife plate mould by punch ram one-shot forming by iron block;
Step 3, manufacture the edge of a knife, first round steel burnt and redly then forge into flat-shaped to 900 DEG C ~ 1000 DEG C, then press from both sides into L shape by fixture, finally round steel is put into edge of a knife mould relaying continuous forge shaping;
Step 4, manufacture handle of a knife, iron block, by iron block twice punch forming, is first placed in handle of a knife mould and forces together trapezoidal iron plate by Presser Dashing by described handle of a knife, then described trapezoidal iron plate is struck out by punch press the semi-circular recesses that both sides are bent upwards again;
Step 5, by processing after the described edge of a knife, knife plate, the knife back and handle of a knife coordinate weld together, make knife plate between the described edge of a knife and the knife back and the edge of a knife and the knife back are connected into cutter hub, described handle of a knife is connected with the lower end of cutter hub, and the slot opening of handle of a knife is welded together, form the open circles important actor that can hold;
Step 6, by welding after chopper beat smooth, then by emery wheel, sanding is carried out to chopper, finally makes the blade sharp and make chopper shaping.
The present invention considers that chopper is durable, sharp, yield rate is high and manufacture convenient, is forged by the edge of a knife shaping, use knife back manufacturing installation to be struck by the knife back molded respectively by use edge of a knife mould, use knife plate mould that knife plate is one time punching molded, use handle of a knife mould by shaping for handle of a knife two times punch; Afterwards the shaping edge of a knife, the knife back, knife plate and the handle of a knife of manufacture is welded together, and sanding, polishing are carried out to chopper, complete chopper manufacture.Be divided into by chopper the edge of a knife, knife plate, the knife back and handle of a knife to manufacture separately, make the chopper of manufacture gained durable, and the yield rate of chopper be high.
Further, in described step one knife back for bend to 7 word shapes from handle of a knife place; The thickness of the described knife back is not less than 4 millimeters.
Further, in described step one, knife back manufacturing installation comprises workbench, fashion-part, fixed part, extensible member and adjustment member; The described extensible member be connected with described adjustment member, described fixed part, described fashion-part are arranged on described workbench successively; Described fashion-part comprises the convex slot holding the knife back; The effect end of described extensible member, just to described convex slot in the horizontal direction along described workbench, is formed stable knife back machining area to make described fixed part under described extensible member effect and between described convex slot.
Further, in described step 2, knife plate mould comprises knife plate die ontology; Described knife plate die ontology has knife plate groove.
Further, in described step 2 knife plate and the described edge of a knife to be connected side linearly; Knife plate is connected side with the described knife back be 7 round and smooth word shapes; Hook-shaped in edge of a knife curving of knife plate top.
Further, in described step 3, edge of a knife mould comprises edge of a knife die ontology, and described edge of a knife die ontology has edge of a knife groove; Described edge of a knife groove, in the degree of depth of its edge of a knife to be processed with thing contact side to be cut, is less than the degree of depth of the opposite side contacted with thing to be cut at its edge of a knife to be processed.
Further, the described edge of a knife is less than the thickness of its side that to be connected with described knife plate, the knife back at it to contact side thickness with thing to be cut.
Further, in described step 4, handle of a knife mould comprises handle of a knife die ontology, and described handle of a knife die ontology has handle of a knife groove; Described handle of a knife groove is up-narrow and down-wide trench structure.
Further, be that inverted L-shaped is placed when the edge of a knife welds with knife plate in described step 5, connect knife plate and the knife back successively.
Further, in step one to four, the manufacturing sequence of the knife back, knife plate, the edge of a knife, handle of a knife can be exchanged arbitrarily.
The manufacture method of a kind of chopper of the present invention has easy, the yield rate advantages of higher of manufacture, and the chopper using the method to obtain efficient, long service life easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention manufactures the chopper of gained;
Fig. 2 is the exploded view of chopper in Fig. 1;
Fig. 3 is the structural representation of knife back manufacturing installation of the present invention;
Fig. 4 is the structural representation of knife plate mould of the present invention;
Fig. 5 is the structural representation of edge of a knife mould of the present invention;
Fig. 6 is the structural representation of handle of a knife mould of the present invention.
Wherein: 1, the knife back, 11, workbench, 12, fashion-part, 13, fixed part, 14, extensible member, 15, adjustment member; 2, knife plate, 21, knife plate die ontology, 22, knife plate groove; 3, the edge of a knife, 31, edge of a knife die ontology, 32, edge of a knife groove; 4, handle of a knife, 41, handle of a knife die ontology, 42, handle of a knife groove.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figures 1 to 6, a kind of manufacture method of chopper, its manufacture method comprises the following steps:
Step one, manufacture the knife back 1, first iron block is burnt red in 650 DEG C, be then fixed in the device manufacturing the knife back, then with the use of hammer, fixture and the knife back manufacturing installation iron block struck and be pressed into 7 round and smooth fonts; The thickness of the knife back 1 is not less than 4 millimeters.The knife back 1 is 7 round and smooth fonts, and this structure is convenient to the knife back 1 and is welded with knife plate 2, and chopper is better used; And the knife back 1 keeps certain thickness can increase the weight of cutter hub self, can increase felling dynamics when manpower is constant, laborsaving, and the weight of cutter hub is mainly positioned at the knife back 1 is convenient to chopper and extracts felling thing, efficiently easy to use.It is 650 DEG C ~ 700 DEG C that iron block burns red temperature, the poor ductility of the too low iron block of temperature, and temperature is too high can waste the plenty of time and the internal structure of iron block can change, and is unfavorable for the manufacture of chopper.
In addition, the mfg. moulding die of the knife back comprises workbench 11, fashion-part 12, fixed part 13, extensible member 14 and adjustment member 15; The described extensible member 14 be connected with described adjustment member 15, described fixed part 13, described fashion-part 12 are arranged on described workbench 11 successively; Described fashion-part 12 comprises the convex slot holding the knife back; The effect end of described extensible member 14, just to described convex slot in the horizontal direction along described workbench 11, to make described fixed part 13 under described extensible member 14 acts on and to be formed stable knife back machining area between described convex slot.The one-tenth knife back to be processed can heat and burns red iron block and be directly placed in convex slot by knife back mfg. moulding die, is then fixed by iron block by fixed part 4 and extensible member 8, then fits through hammer with convex slot and beat and make iron block be shaped to the knife back.The manufacture efficiency of this device is high, shaping knife back regular shape, and the knife back manufacturing gained has certain thickness.
In addition, convex slot comprises knife back top manufacturing department and the knife back and to lean to one side manufacturing department, and two manufacturing department junctions are round and smooth arcuation.The shape of convex slot can the knife back shape needed for reality change to some extent, and the knife back is 7 round and smooth word shapes, and 7 font tops are obtained by knife back top manufacturing department, and 7 font bottoms are obtained by knife back manufacturing department of leaning to one side.This structure manufactures the knife back of gained equally in round and smooth 7 fonts, is conducive to the knife back and knife plate, the welding of edge of a knife junction.Convex slot both sides have the protection department preventing the knife back to be out of shape, and prevent the knife back from subsiding to both sides when beaing, and make the knife back regular shape manufacturing gained.Baltimore groove has certain degree of depth, the thickness making the knife back reach certain, is convenient to the use of chopper.
In addition, extensible member 14 comprise with fixed part 13 with the use of fixed part, the support portion of support telescopic parts 14, plays the pars contractilis of telescopic action, and the adjustment chamber allowing adjustment member 15 to pass.Extensible member and fixed part 13 are fixed on fashion-part 12 with the use of by the knife back, are conducive to the manufacture of the knife back, improve the manufacture efficiency of the knife back.Pars contractilis is connected by connecting portion with fixed part, and connecting portion inside has the screw thread be connected with pars contractilis, is conducive to pars contractilis and is connected with fixed part.Support portion has the body cavity allowing fixed part to pass, and plays the effect supporting fixed part.Support portion and connecting portion are all fixed with workbench 11, prevent knife back stiff end when beaing from occurring to loosen.
In addition, coordinated with adjustment chamber by the screens portion of adjustment member 15, the body of adjustment member 15 firmly just can drive extensible member advance or retreat, saving the strength that the knife back is installed and taken off, improve the efficiency that the knife back manufactures.
In addition, workbench 11 there is also mounted stabilizing components, can stabilizing components be pinned when the knife back beats, preventing knife back overexertion workbench 11 when beaing from shaking.
When operating, first the unprocessed knife back is placed in the convex slot of fashion-part 12, then with fixed part 13 and extensible member 14, the knife back 1 is fixed, extensible member 14 drives extensible member 14 to advance by manual rotation's adjustment member 15, reduces the gap between fixed part 13 and the knife back 1 and convex slot.Then pin stabilizing components, practical hammer beats the knife back 1, makes the knife back 1 in 7 round and smooth word shapes.Finally, drive extensible member 14 to leave fixed part 13 by adjustment member 15, take off the shaping knife back 1, complete the manufacture of the knife back.
Step 2, manufacture knife plate 2, be placed in knife plate mould by punch ram one-shot forming by iron block; It is linearly that knife plate 2 and the edge of a knife 3 are connected side, and with the inverted L-shaped of the edge of a knife 3 long limit form fit; Knife plate 2 is connected side with the knife back 1 be 7 round and smooth word shapes, and with 7 font side form fit of the knife back 1; Hook-shaped in the described edge of a knife 3 curving of knife plate 2 top, this structure is convenient to knife plate 2 and is welded with the edge of a knife 3 and the knife back 1, the manufacture process of chopper is simplified, and yield rate is high.
In addition, knife plate mould comprises knife plate die ontology 21, and described knife plate die ontology 21 offers knife plate groove 22, the degree of depth of knife plate groove 22 is 2 millimeters, the too shallow obtained knife plate firmness of knife plate groove 22 is poor, and the knife plate that knife plate groove 22 manufactures gained too is deeply too heavy, uses inconvenience.Knife plate groove 22 comprises blade portion, knife back portion and shank section.Blade portion is described knife plate groove 22 at its knife plate 2 to be processed and is connected with knife plate 2 and is processed into the edge of a knife 3 connection side of cutter hub, comprise linearly line part and link into an integrated entity with described line part and be the outward extending bend of angle with described line part, the knife plate 2 that this structure is convenient to manufacture gained welds with the edge of a knife 3.Knife back portion is described knife plate groove 22 at its knife plate 2 to be processed and is connected with knife plate 2 and is processed into the knife back 1 connection side of cutter hub, and in 7 round and smooth word shapes, the knife plate 2 that this structure is convenient to manufacture gained welds with the knife back 1.Shank section is described knife plate groove 22 at its knife plate 2 to be processed and is connected with knife plate 2 and is processed into handle of a knife 4 connection side of cutter hub, and linearly, the knife plate 2 that this structure is convenient to manufacture gained welds with handle of a knife 4.The knife plate 2 using this knife plate mfg. moulding die obtained is similar scimitar shaped, and linearly on the left of knife plate 2, right side be 7 round and smooth word shapes, and top is hook-shaped to edge of a knife lateral bend, and this is configured with the welding being beneficial to knife plate 2, makes the chopper result of use of manufacture gained good.
In addition, knife plate mould also comprises and is positioned at below knife plate die ontology 21, for the knife plate fixed part fixing with punch press; Knife plate die ontology 21 both sides have the connecting portion be connected with knife plate fixed part.During operation, first knife plate fixed part and punch press are fixed, be then placed in by knife plate in knife plate groove 22, knife plate die ontology 21 and knife plate fixed part are connected and fixed by attaching parts by knife plate 2 connecting portion, attaching parts are attachment screw.Then complete knife plate 2 punching press, finally knife plate die ontology 21 is taken off from knife plate fixed part, then with instrument, knife plate is taken out.Knife plate mould is divided into knife plate die ontology 1 and knife plate fixed part two parts, and be connected and fixed by attaching parts, the dress that this structure is convenient to knife plate is got, and makes easy and simple to handleization, and manufactures the knife plate regular shape of gained, is convenient to welding.Fixed part comprises the fixed part fixed with punch press and the fixing side be connected with connecting portion, and this structure is convenient to the use of knife plate mfg. moulding die.
Step 3, manufacture the edge of a knife 3, first round steel is burnt and redly forge into flat-shaped to 900 DEG C, then press from both sides into L shape by fixture, then round steel is put into edge of a knife mould and continue to forge shaping; The edge of a knife 3 is forged by No. 45 steel and forms, and makes the edge of a knife more durable.The edge of a knife 3 is L shape, comprises orthogonal L shape minor face and the long limit of L shape, and this structure is convenient to, make felling process easy by thing band to be cut to hewer at one's side.The form fit of L shape minor face and the knife back 1, the long limit of L shape and knife plate 2 form fit, this structure is convenient to the welding of cutting bamboo cutter, and manufacture is simplified.The thickness that the edge of a knife 3 and knife plate 2 connect side is greater than the edge of a knife 3 contacts side thickness with thing to be cut, is convenient to the edge of a knife 1 and welds with knife plate 2, be convenient to the edge of a knife 1 and grind sharp, and this structure makes the edge of a knife 3 not easily produce disconnected steel, adds the service time of chopper.It is 900 DEG C ~ 1000 DEG C that round steel burns red temperature, the poor ductility of the too low round steel of temperature, and temperature is too high can waste the plenty of time and the internal structure of round steel can change, and is unfavorable for the manufacture of chopper.
In addition, edge of a knife mould comprises edge of a knife die ontology 31; Described edge of a knife die ontology 31 offers edge of a knife groove 32.Wherein, edge of a knife groove 32, in the degree of depth of its edge of a knife to be processed with thing contact side to be cut, is less than the degree of depth of the opposite side contacted with thing to be cut at its edge of a knife to be processed.The thickness that this structure makes the edge of a knife 3 manufacturing gained contact side with thing to be cut is less than the edge of a knife 3 is connected side thickness with knife plate 2, the knife back 1, is convenient to the polishing of the edge of a knife 3 blade, is convenient to the edge of a knife 3 and welds with knife plate 2, the knife back 1.
In addition, edge of a knife groove 32 comprises hook and gets portion and portion to be cut.Portion to be cut is linearly straight portion, for felling; Hook is got one end, portion and portion to be cut and is linked into an integrated entity, and the other end becomes angle to stretch out from portion to be cut rightabout, for will thing band be cut to hewer, be convenient to cut down.The central axis direction in portion to be cut makes portion to be cut be approximated to 90 degree with the angle hooking portion of getting with the central axis direction hooking portion of getting is mutually vertical, if angle is greater than 90 degree too much, is unfavorable for that thing to be cut hooks and gets; Angle is less than 90 degree too much, is unfavorable for that thing to be cut is cut down.Hook is got portion and is connected into L shape with portion to be cut, and hook portion of getting at its edge of a knife to be processed and the rectangular shape of thing contact side to be cut, the opposite side contacted with thing to be cut at its edge of a knife to be processed is rounding horn shape, is convenient to welding.
In addition, described edge of a knife groove 32 end can and the side of described edge of a knife die ontology 31 between there is difference in height, namely edge of a knife groove 32 does not open the side to edge of a knife die ontology 31, like this after having manufactured, the edge of a knife take out difficulty.And the side that described edge of a knife groove 32 end extends to described edge of a knife die ontology 31 is set, be convenient to the edge of a knife manufactured to take out.Edge of a knife groove 32 is L-shaped, makes to manufacture the edge of a knife 3 of gained for L shape, and the edge of a knife 3 is installed in inverted L-shaped when mounted, and chopper is better used.
In addition, have the fixed part fixing with forging machine bottom edge of a knife die ontology 31, fixed part is a part for edge of a knife die ontology 31.First fixed by fixed part during operation, be then placed in by the edge of a knife 3 and forged by forging machine shaping in edge of a knife groove 31, after completing, the edge of a knife 3 takes off by direct fixture, simple to operate, and the edge of a knife regular shape obtained.
Step 4, manufacture handle of a knife 4, described handle of a knife 4 is by iron block twice punch forming, first iron block is placed in handle of a knife mould and forces together trapezoidal iron plate by Presser Dashing, the left and right end portions being connected side with cutter hub of trapezoidal handle of a knife 4 has vee, and this structure is convenient to the manufacture of chopper; Then described trapezoidal iron plate is struck out by punch press the semi-circular recesses that both sides are bent upwards again, this structure is convenient to the welding of chopper.Handle of a knife mould comprises handle of a knife die ontology, handle of a knife die ontology has handle of a knife groove, uses handle of a knife Making mold handle of a knife 3, manufacture process is simplified.
In addition, handle of a knife mould comprises handle of a knife die ontology 41, and described handle of a knife die ontology 41 offers handle of a knife groove 42, and handle of a knife groove 42 is up-narrow and down-wide trench structure.Described handle of a knife groove 42 is linearly line part at its handle of a knife 4 to be processed with the handle of a knife 4 cutter hub connection side being processed into chopper that is connected, and this structure is convenient to handle of a knife 4 and cutter hub welding, and manufacture is simplified.Trench structure is made up of the upper and lower trapezium structure that two are connected, and described upper and lower trapezium structure side phase connection is divided into obtuse angle, and this structure makes the handle of a knife obtained better use.The degree of depth of handle of a knife groove 42 is 5 millimeters, and handle of a knife groove 42 is too shallow, and obtained handle of a knife is easily out of shape; Handle of a knife groove 42 is too dark, and obtained handle of a knife not easily welds, and quality is heavy not easily by holding.
In addition, handle of a knife mould also comprises the fixed part be positioned at below handle of a knife die ontology 41, and fixed part comprises the fixing side and the fixed part fixing with punch press that are connected with connecting portion.Handle of a knife die ontology 1 both sides have the connecting portion be connected with handle of a knife fixed part.During operation, first handle of a knife fixed part and punch press are fixed, then handle of a knife is placed in handle of a knife groove 42, by connecting portion, handle of a knife die ontology 41 and handle of a knife fixed part are connected and fixed, then handle of a knife 4 punching press is completed, finally handle of a knife die ontology 41 is taken off from handle of a knife fixed part, then with instrument, handle of a knife 4 is taken out.Handle of a knife mould is divided into handle of a knife die ontology 41 and handle of a knife fixed part two parts, and be connected and fixed by attaching parts, attaching parts are attachment screw, and the dress that this structure is convenient to handle of a knife is got, easy and simple to handle, and manufactures the handle of a knife regular shape of gained, is convenient to welding.
Step 5, to be coordinated by the described edge of a knife 1, knife plate 2, the knife back 3 and the handle of a knife 4 after processing and weld together, and welded together by the slot opening of handle of a knife 4, form the open circles important actor that can hold, this structure is convenient to using to take hold of chopper; The edge of a knife 3 is that inverted L-shaped is placed when welding with knife plate 2; The edge of a knife 3 is positioned at the left side of knife plate 2, and the knife back 1 is positioned at the right side of knife plate 2, and this structure makes the result of use of chopper best.Wherein, in step one to four, the manufacturing sequence of the knife back 1, knife plate 2, the edge of a knife 3, handle of a knife 4 can be exchanged arbitrarily, is convenient to the manufacture of chopper.
Step 6, beaten by chopper smooth, then carry out sanding by emery wheel to chopper, finally make the blade sharp and make chopper shaping, the yield rate of chopper is high.
The manufacture method of a kind of chopper of the present invention has easy, the yield rate advantages of higher of manufacture, and the chopper using the method to obtain efficient, long service life easy to use.
Claims (10)
1. a manufacture method for chopper, described chopper comprises the knife back (1), knife plate (2), the edge of a knife (3) and handle of a knife (4); It is characterized in that, the manufacture method of described chopper comprises the following steps:
Step one, the manufacture knife back (1), first burn iron block red in 650 DEG C ~ 700 DEG C, be then fixed in knife back manufacturing installation, then struck by iron block molded with the use of hammer, fixture and knife back manufacturing installation;
Step 2, manufacture knife plate (2), be placed in knife plate mould by punch ram one-shot forming by iron block;
Step 3, manufacture the edge of a knife (3), first round steel burnt and redly then forge into flat-shaped to 900 DEG C ~ 1000 DEG C, then press from both sides into L shape by fixture, finally round steel is put into edge of a knife mould relaying continuous forge shaping;
Step 4, manufacture handle of a knife (4), described handle of a knife (4) is by iron block twice punch forming, first iron block is placed in handle of a knife mould and forces together trapezoidal iron plate by Presser Dashing, then described trapezoidal iron plate is struck out by punch press the semi-circular recesses that both sides are bent upwards again;
Step 5, by processing after the described edge of a knife (3), knife plate (2), the knife back (1) and handle of a knife (4) cooperation weld together, knife plate (2) is positioned between the described edge of a knife (3) and the knife back (1) and the edge of a knife (3) and the knife back (1) are connected into cutter hub, described handle of a knife (4) is connected with the lower end of cutter hub, and the slot opening of handle of a knife (4) is welded together, form the open circles important actor that can hold;
Step 6, by welding after chopper beat smooth, then by emery wheel, sanding is carried out to chopper, finally makes the blade sharp and make chopper shaping.
2. the manufacture method of a kind of chopper according to claim 1, is characterized in that: in described step one, the knife back (1) for bend to 7 word shapes from handle of a knife (4) place; The thickness of the described knife back (1) is not less than 4 millimeters.
3. the manufacture method of a kind of chopper according to claim 1, is characterized in that: in described step one, knife back manufacturing installation comprises workbench (11), fashion-part (12), fixed part (13), extensible member (14) and adjustment member (15); The described extensible member (14) be connected with described adjustment member (15), described fixed part (13), described fashion-part (12) are arranged on described workbench (11) successively; Described fashion-part (12) comprises the convex slot holding the knife back; The effect end of described extensible member (14), just to described convex slot in the horizontal direction along described workbench (11), to make described fixed part (13) under described extensible member (14) effect and to be formed stable knife back machining area between described convex slot.
4. the manufacture method of a kind of chopper according to claim 1, is characterized in that: in described step 2, knife plate mould comprises knife plate die ontology (21); Described knife plate die ontology (21) has knife plate groove (22).
5. the manufacture method of a kind of chopper according to claim 1, is characterized in that: in described step 2, to be connected side linearly for knife plate (2) and the described edge of a knife (3); Knife plate (2) is connected side with the described knife back (1) be 7 round and smooth word shapes; Hook-shaped in the edge of a knife (3) curving of knife plate (2) top.
6. a kind of manufacture method of cutting bamboo cutter according to claim 1, is characterized in that: in described step 3, edge of a knife mould comprises edge of a knife die ontology (31), and described edge of a knife die ontology (31) has edge of a knife groove (32); Described edge of a knife groove (32), in the degree of depth of its edge of a knife to be processed with thing contact side to be cut, is less than the degree of depth of the opposite side contacted with thing to be cut at its edge of a knife to be processed.
7. the manufacture method of a kind of chopper according to claim 1, is characterized in that: the described edge of a knife (3) is less than the thickness of its side that to be connected with described knife plate (2), the knife back (1) at it to contact side thickness with thing to be cut.
8. the manufacture method of a kind of chopper according to claim 1, is characterized in that: in described step 4, handle of a knife mould comprises handle of a knife die ontology (41), described handle of a knife die ontology has handle of a knife groove (42); Described handle of a knife groove (42) is up-narrow and down-wide trench structure.
9. the manufacture method of a kind of chopper according to claim 1, is characterized in that: be that inverted L-shaped is placed when in described step 5, the edge of a knife (3) welds with knife plate (2), connects knife plate (2) and the knife back (1) successively.
10. the manufacture method of a kind of chopper according to claim 1, is characterized in that: in step one to four, the manufacturing sequence of the knife back (1), knife plate (2), the edge of a knife (3), handle of a knife (4) can be exchanged arbitrarily.
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| CN201510709787.3A CN105149404A (en) | 2015-10-28 | 2015-10-28 | Manufacturing method of hacking knife |
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| CN106017209A (en) * | 2016-06-02 | 2016-10-12 | 季长强 | Manufacturing method of bronze sword |
| CN106937548A (en) * | 2016-01-03 | 2017-07-11 | 泰兴市博宇硬质合金有限公司 | Corn picker alloy cutter |
| CN109108585A (en) * | 2018-10-25 | 2019-01-01 | 孙雪芹 | A kind of manufacture craft of ditching-fertilizing all-in-one machine sandy soil cutter |
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| CN106017209A (en) * | 2016-06-02 | 2016-10-12 | 季长强 | Manufacturing method of bronze sword |
| CN109108585A (en) * | 2018-10-25 | 2019-01-01 | 孙雪芹 | A kind of manufacture craft of ditching-fertilizing all-in-one machine sandy soil cutter |
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Application publication date: 20151216 |