CN105880382B - A kind of application method with limit function Bending Mould - Google Patents

A kind of application method with limit function Bending Mould Download PDF

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Publication number
CN105880382B
CN105880382B CN201610265572.1A CN201610265572A CN105880382B CN 105880382 B CN105880382 B CN 105880382B CN 201610265572 A CN201610265572 A CN 201610265572A CN 105880382 B CN105880382 B CN 105880382B
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China
Prior art keywords
mould
groove
bolt
limited block
workpiece
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CN105880382A (en
Inventor
张迎年
张先进
张帆
张一帆
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ANHUI LIYUAN CNC BLADE MOLD MANUFACTURING Co Ltd
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ANHUI LIYUAN CNC BLADE MOLD MANUFACTURING Co Ltd
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Priority to CN201610265572.1A priority Critical patent/CN105880382B/en
Priority to CN201410789169.XA priority patent/CN104492963B/en
Publication of CN105880382A publication Critical patent/CN105880382A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/01Selection of materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/20Making tools by operations not covered by a single other subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209Tools therefor
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60Aqueous agents
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium

Abstract

The invention discloses a kind of application method with limit function Bending Mould, belong to bender field.It is more to which solve existing bending machine die bending workpieces process, long processing time, the problem of having a strong impact on production efficiency.The mould of the present invention includes mold and lower mould, and mold includes upper mould cutter head;Lower mould includes lower main mould, lower secondary mould, the first limited block and the second limited block;The upper surface of lower main mould is provided with the second groove;First limited block is located in the second groove;Lower main mould lower surface is additionally provided with slide protrusion;Lower secondary mould upper surface is provided with the 3rd groove;Slide protrusion is located in the 3rd groove;Second limited block is arranged on the side of lower secondary mould, and the top of its side being in contact with lower secondary mould is provided with step v notch v.Several procedures such as bending length positioning, bending and molding can be merged together by the present invention, greatly reduce the production time, and critical effect is played to improving production efficiency.

Description

A kind of application method with limit function Bending Mould
The application is a kind of entitled " side processed with limit function Bending Mould and its use, upper mould cutter head Method ", Application No. 201410789169X, the applying date are the divisional application of the patent application on December 18th, 2014.
Technical field
The invention belongs to bender field, specifically, is related to a kind of application method with limit function Bending Mould.
Background technology
With the progress of science and technology, various electric equipment products are increasingly popularized, the rate request to producing electric equipment products More and more higher, including the punch forming of various electric appliance housings;Bender plays very heavy in electric appliance casing production The effect wanted, especially in production line, stamping procedure requires quick, accurate and safe, and a kind of metal shell often needs To get to require by a few road bending stamping procedures how to reduce bending stamping procedure, accelerate bending drawing velocity, simultaneously Ensure product quality and precision, turn into the key for improving production efficiency;The shape and function of mould are improved, can be by a few road bendings Process is merged together, and different desired bendings several times can be completed on a bending machine die, reach reduction manufacturing procedure, Accelerate process velocity, improve the purpose of operating efficiency.For example, many enterprises need to process a kind of workpiece of special shape now, Its shape generally requires two different moulds and carries out bending as shown in figure 9, because the workpiece has the bending of two different directions It could complete, if improving mould, by bending and molding of workpiece as shown in Figure 9, production efficiency will be greatly improved.
China Patent No. ZL201120567940.0, publication date in August, 2012 patent document of 15 days, discloses a kind of folding The bending machine die of curved Z-type workpiece, belongs to machinery equipment field.It includes mold, lower mould, in addition to middle mould, pad, The lower surface of described mold is provided with two knuckles downwardly and upwardly, the upper surface of described middle mould be provided with two with it is upper The knuckle downwardly and upwardly that mould is engaged, a side-lower of middle mould have a right angle step, and pad is located at right angle step, Described middle mould is positioned with lower mould by square groove, there is spring in square groove, and described lower mould has a groove, under middle mould Half part may be inserted into groove.The mould of the utility model need not more mold exchange can complete Z-type workpiece plus Work, and the distance between Z-type workpiece intermediate layer and workpiece upper epidermis of processing can be adjusted;The utility model is simple in construction, It is reasonable in design, it is easily fabricated.But the utility model tends not to control the length of workpiece bending corner in practice, from And the manufacturing procedure cut to the long corner of length is brought, the production time is added, especially in the shorter feelings of bending edges Go to cut again very inconvenient under condition, after bending and molding, and the angle for easily causing original bending and molding deforms, and influences The quality of product, or even secondary Bending Processing is needed, great waste is generated, seriously hinders the raising of production efficiency.
China Patent No. ZL201320311290.2, the patent document in publication date on November 6th, 2013, disclose a kind of anti- The bender composite die of beat, belongs to bender technical field.A kind of bender compound die of anti-beat of the utility model Tool, including upper die and lower die, die shoe, resetting-mechanism and anti-deflection mechanism, upper mould top are provided with die shank, and the bottom of upper mould is provided with V Shape mould point;The top of lower mould is provided with V-shaped groove, and the bottom of lower mould is provided with guide groove, and the bottom of guide groove is provided with bolt hole;Die shoe Top is provided with lead, and lead bottom is provided with blank-holding workbench, and the inside of die shoe is provided through blank-holding workbench and guiding The staged through hole of the vertical direction of post;Resetting-mechanism includes bolt and spring, and bolt is through staged through hole and passes through bolt Hole is connected with lower mould, and spring housing is together on the screw rod of bolt;Anti- deflection mechanism includes guide pillars and bushes, guide pillar and lower mould bottom It is fixedly connected with, guide pin bushing is fixedly connected with die shoe.The utility model improves the production efficiency of bender, and can effectively prevent beat Occur.But the utility model can not be to workpiece bending length positioning, so as to disposable machine-shaping;And if finished before processing Bending line, then crossed process is added, and line alignment work need to be constantly carried out in bending operation, produce greatly additional labor Dynamic output, wastes the production time, has a strong impact on the raising of production efficiency.
From the prior art, various moulds can not all process the workpiece described in us, so being badly in need of solving the problem.
The content of the invention
1st, to solve the problems, such as
More, complex operation, long processing time for existing bending machine die bending workpieces process, have a strong impact on production effect The problem of rate, the present invention provides a kind of application method with limit function Bending Mould, by bending length positioning, bending and molding etc. Several procedures are merged together, and when being especially applied on flow production line, greatly reduce the production time, save work Power, critical effect is played to improving production efficiency.
2nd, technical scheme
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of band limit function Bending Mould, including mold and lower mould, described mold include upper mould cutter head;Institute The lower mould stated includes lower main mould, lower secondary mould, the first limited block and the second limited block, and the upper surface of the first described limited block is set There is the first groove, lower surface is provided with the first spring cavity, and its section is similar " H " shape, and its upper surface is inclined-plane;Described lower main mould Upper surface be sequentially provided with shaping V-groove, profiled ramp and the second groove from left to right;The is provided with described the first spring cavity One spring;The first described limited block is located in the second groove, and the height of its upper surface peak is higher than lower main mould upper surface Height;The natural length of the first described spring is more than the depth of the first spring cavity;Described lower main mould lower surface is additionally provided with Slide protrusion;Second spring chamber is provided with described slide protrusion;Described second spring intracavitary is provided with second spring;Described Second spring natural length is more than the depth of second spring chamber;Described lower secondary mould upper surface is provided with the 3rd groove, and lower surface is set There is the 4th groove;Described slide protrusion is located in the 3rd groove;The length of described slide protrusion is less than or equal to the 3rd groove Depth;The second described limited block is arranged on the side of lower secondary mould, and its upper surface is concordant with the upper surface of lower secondary mould, and it is with The top for the side that secondary mould is in contact is provided with step v notch v;The shape of described upper mould cutter head lower surface with shaping V-groove, into The shape on type inclined-plane is corresponding.
Preferably, the first described limited block also includes the first bolt sliding eye and the first bolt;The first described bolt Sliding eye is between the first groove and the first spring cavity;Described first the first groove of screw bolt passes, the first bolt are slided It is connected after dynamic hole, the first spring with lower main mould.
Preferably, described lower secondary mould also includes the second bolt sliding eye and the second bolt;The second described bolt slides Hole position is between the 3rd groove and the 4th groove;The second described bolt from the 4th groove sequentially pass through the second bolt sliding eye and It is connected after second spring with lower main mould.
Preferably, the second described limited block is provided with the 3rd bolt, and the second limited block passes through the 3rd bolt and lower secondary mould Connection.
Preferably, the bevel angle of the upper surface of the first described limited block is identical with the angle of profiled ramp;Described The angle of profiled ramp and horizontal plane is 18 °.
Preferably, the quantity of the first described bolt sliding eye and the first bolt is 1-4.
Preferably, the quantity of the second described bolt sliding eye and the second bolt is 1-3.
A kind of application method with limit function Bending Mould, comprises the following steps:
A. when die-filling, lower secondary mould is arranged on bending machine die base, is fastened by bolts;
B. the first bolt is adjusted, the height of the first limited block upper surface peak is higher than lower main mould upper level 2mm, The second bolt is adjusted, makes lower main mould lower surface and lower secondary mould upper table interplanar distance 15mm;
C. mold is arranged on slider of bender, makes mould cutter head lower end aligned shaping V-groove and profiled ramp, dress Mould is completed;
D. during work pieces process, the workpiece for needing bending is first placed on lower main mould upper surface, makes one end and first of workpiece The side alignment of limited block, the distance that workpiece bending line and sideline are limited by the first limited block is 3mm;
E. bender is opened, mold is quick close to workpiece surface under bender powered, when touching workpiece, Mold starts slow work and entered, and upper mould cutter head tightly presses with workpiece, until lower main mould lower surface and lower secondary mould upper surface combine, Stop work entering, keep pressure 30 seconds, rapid return;
F. workpiece is removed, the side that one end the second limited block of insertion that Workpiece length is 3mm is in contact with lower secondary mould In the step v notch v of top;
G. repeat step D and step E;
H. workpiece is removed, Workpiece shaping is completed.
Because the shape of upper mould cutter head lower surface is corresponding with the shape of shaping V-groove, profiled ramp, bottom is one " V " row is raised, so the projection is particularly susceptible to damage, common die processing method, and using 3000-4000 times or so just Raised fracture or heavy wear can occur, at this time need to change whole mold, using high with maintenance cost, therefore, I Be specifically designed upper mould cutter head processing method.
A kind of processing method with mould cutter head on limit function Bending Mould, its step are:
1) mould cutter head raw material prepare on:
Upper mould cutter head is made using rough forging, and the component of the rough forging is by weight percentage:C:0.50- 0.53%, Si:0.14%-0.17%, Mn:1.5%-2.5%, Cr:1.10~1.60%;S≤0.03%, P≤0.03%, its Remaining is Fe;
2) rough forging the pre-heat treatment:
By the rough forging in step 1) using annealing, that is, 780-820 DEG C is heated to, is incubated 2-3 hours, air cooling;
3) preliminary working of rough forging:
Global shape that will be through the rough forging after step 2) the pre-heat treatment with planer preliminary working Cheng Shangmo cutter heads;
4) heat treatment of mould cutter head on:
Modifier treatment will be carried out through the upper mould cutter head after step 3) preliminary working, and be heated to temperature as 870-890 DEG C, be incubated 1- 2 hours, quenching, quenching was quenched using quenching liquid;
5) deep processing of mould cutter head on:
It will be obtained by mould cutter head outer surface in the upper mould cutter head progress deep processing after step 4) Quenching Treatment, finish-milling Mould cutter head.
Preferably, the composition of described quenching liquid and percentage by weight are:Triethanolamine:3%~8%, sodium benzoate: 0.5%~0.8%, 5- benzyls glycolylurea:1.2%~1.8%, fosphenytoin sodium:0.7%~1.3%, sodium citrate 1.9%~ 2.6%;Surplus is water.
3rd, beneficial effect
Compared to prior art, beneficial effects of the present invention are:
(1) mould of the invention includes mold and lower mould, and mold includes upper mould cutter head;Lower mould includes lower master Mould, lower secondary mould, the first limited block and the second limited block, the first limited block and the second limited block are each served as to workpiece to be processed position The effect of positioning is put, improves machining accuracy;The upper surface of first limited block is provided with the first groove, and lower surface is provided with the first spring Chamber, its section are similar " H " shape, and its upper surface is inclined-plane;The upper surface of lower main mould be sequentially provided with from left to right shaping V-groove, Profiled ramp and the second groove;The first spring is provided with first spring cavity;First limited block is located in the second groove, and its upper table The height of face peak is higher than the height of lower main mould upper surface, and the part that the first limited block is higher by lower main mould upper surface is played pair The part of workpiece to be processed position-limiting action;The natural length of first spring is more than the depth of the first spring cavity, it is ensured that the first limit Position block is higher by lower main mould upper surface;Lower main mould lower surface is additionally provided with slide protrusion;Second spring chamber is provided with slide protrusion;Second Second spring is provided with spring cavity;Second spring natural length is more than the depth of second spring chamber, it is ensured that lower main mould lower surface Maintained a certain distance between lower secondary mould upper surface;Lower secondary mould upper surface is provided with the 3rd groove, and lower surface is provided with the 4th groove; Slide protrusion is located in the 3rd groove;The length of slide protrusion is less than or equal to the depth of the 3rd groove;Second limited block is arranged on The side of lower secondary mould, its upper surface is concordant with the upper surface of lower secondary mould, and the top of its side being in contact with lower secondary mould is provided with platform Stepped breach, the breach play a part of clamping workpiece to be processed one end;The shape and shaping V-groove of upper mould cutter head lower surface, The shape of profiled ramp is corresponding;The mould of the present invention is played by the first limited block and the second limited block to be rolled over to workpiece to be processed The effect of curved length positioning, several procedures such as bending length positioning, bending and molding in bending process are merged together, are reduced Production process, the production time is substantially reduced, save labour, critical effect is played to improving production efficiency.
(2) limited block of mould first of the invention also includes the first bolt sliding eye and the first bolt;First bolt slides Hole position is between the first groove and the first spring cavity;First the first groove of screw bolt passes, the first bolt sliding eye, the first bullet It is connected after spring with lower main mould, the first spring, the first limited block and lower main mould three is connected to by straight line by the first bolt On, improve the stability and precision of the first limited block;
(3) secondary mould also includes the second bolt sliding eye and the second bolt under mould of the invention;Second bolt slides hole position Between the 3rd groove and the 4th groove;Second bolt is after the 4th groove sequentially passes through the second bolt sliding eye and second spring It is connected with lower main mould, lower secondary mould, second spring is connected with slide protrusion by the second bolt, improve the stability of mould;
(4) limited block of mould second of the invention is provided with the 3rd bolt, and the second limited block passes through the 3rd bolt and lower pair Mould connects, and installs the second limited block by the 3rd bolt, facilitates the second limited block demolition and maintenance and replacing;
(5) bevel angle of the upper surface of the limited block of mould first of the invention is identical with the angle of profiled ramp;Shaping The angle of inclined-plane and horizontal plane is 18 °, the upper surface of the first limited block set and the inclined-plane of profiled ramp equal angular be in order to Mould cutter head is fitted completely with lower main mould upper surface, make machining accuracy higher;The angle of profiled ramp and horizontal plane makes Profiled ramp forms the angle of (90-3) ° with being molded V-groove inner surface, the angle is to be resiliently deformed after the completion of work pieces process to carry 3 ° of resilience surplus has been supplied, has further increased machining accuracy;
(6) quantity of mould the first bolt sliding eye of the invention and the first bolt is 1-4, the second bolt sliding eye and The quantity of second bolt is 1-3, and because the width of workpiece to be processed is different, it requires the design length of inventive die has Institute is different, in order to meet the bearing capacity of inventive die, can increase the first spring to play a supportive role and second spring;
(7) application method of the invention is simple, and machining accuracy is high, and bending process is time saving and energy saving, promotes such product The raising of production efficiency;
(8) upper mould method for manufacturing tool bit of the invention, using special material and special Technology for Heating Processing, improves mould The morphology of martensite of the interior tissue of cutter head, more longlasting impact strength and wearability are made it have, extends mould cutter head Service life, for improve production efficiency provide guarantee.
Brief description of the drawings
Fig. 1 is the structural representation of the mould of the present invention;
Fig. 2 is the structural representation of main mould under mould of the invention;
Fig. 3 is main mould top view under mould of the invention;
Fig. 4 is main mould upward view under mould of the invention;
Fig. 5 is the structural representation of secondary mould under mould of the invention;
Fig. 6 is secondary mould top view under mould of the invention;
Fig. 7 is the structural representation of the limited block of mould first of the present invention;
Fig. 8 is the application method schematic diagram of the present invention;
Fig. 9 is processed shaping workpiece schematic diagram by the mould of the present invention.
In figure:1st, upper mould cutter head;2nd, the first limited block;3rd, lower main mould;4th, lower secondary mould;5th, the second bolt;6th, the 3rd bolt; 7th, the second limited block;8th, the first bolt;201st, the first groove;202nd, the first bolt sliding eye;203rd, the first spring cavity;301st, into Type V-groove;302nd, profiled ramp;303rd, the second groove;304th, slide protrusion;305th, second spring chamber;401st, the 3rd groove; 402nd, the 4th groove;403rd, the second bolt sliding eye.
Embodiment
Embodiment 1
As shown in Fig. 1-Fig. 7, a kind of band limit function Bending Mould, including mold and lower mould, mold include upper Mould cutter head 1;Lower mould includes lower main mould 3, lower secondary mould 4, the first limited block 2 and the second limited block 7, the upper table of the first limited block 2 Face is provided with the first groove 201, and lower surface is provided with the first spring cavity 203, is provided between the first groove 201 and the first spring cavity 203 The quantity of first bolt sliding eye 202 and the first bolt 8, the first bolt sliding eye 202 and the first bolt 8 is 4, the first bolt 8 sequentially pass through the first groove 201, the first bolt sliding eye 202, the first spring after be connected with lower main mould 3, the first limited block 2 is cut Face is similar " H " shape, and its upper surface is inclined-plane;The upper surface of lower main mould 3 is sequentially provided with shaping V-groove 301, shaping from left to right The groove 303 of inclined-plane 302 and second, the opening angle of V-groove 301 is 30 °;The first spring is provided with first spring cavity 203;First Limited block 2 is located in the second groove 303, and the peak of the first limited block 2 to the distance of the bottom surface of the second groove 303 is 41.5mm, The distance of the bottom surface of second groove 303 to the lower upper surface of main mould 3 is 40.7mm, the upper surface of the first limited block 2, profiled ramp 302 Angle with horizontal plane is 18 °;The natural length of first spring is 20mm, and the depth of the first spring cavity 203 is 15mm;Lower main mould 3 lower surfaces are additionally provided with slide protrusion 304;Second spring chamber 305 is provided with slide protrusion 304;The is provided with second spring chamber 305 Two springs;Second spring natural length is 35mm, and the depth of second spring chamber 305 is 25mm;The lower upper surface of secondary mould 4 is provided with the 3rd Groove 401, lower surface are provided with the 4th groove 402, the second bolt sliding eye are provided between the 3rd groove 401 and the 4th groove 402 403 and second bolt 5, the quantity of the second bolt sliding eye 403 and the second bolt 5 is 2, and the second bolt 5 is from the 4th groove 402 It is connected after sequentially passing through the second bolt sliding eye 403 and second spring with lower main mould;Slide protrusion 304 is located at the 3rd groove 401 It is interior;The length of slide protrusion 304 is 30mm, and the depth of the 3rd groove 401 is 30mm;Second limited block 7 is provided with the 3rd bolt 6, the second limited block 7 is arranged on the side of lower secondary mould 4 by the 3rd bolt 6, and its upper surface is concordant with the upper surface of lower secondary mould 4, The top of its side being in contact with lower secondary mould 4 is provided with step v notch v;The shape of the upper lower surface of mould cutter head 1 and shaping V-groove 301st, the shape of profiled ramp 302 is corresponding.
As shown in Figure 8 and Figure 9, a kind of application method with limit function Bending Mould in the present embodiment, including following step Suddenly:
A. when die-filling, lower secondary mould 4 is arranged on bending machine die base, is fastened by bolts;
B. the first bolt is adjusted, the height of the upper surface peak of the first limited block 2 is higher than the lower upper level of main mould 3 2mm, the second bolt is adjusted, makes the lower lower surface of main mould 3 and the lower secondary upper table interplanar distance 15mm of mould 4;
C. mold is arranged on slider of bender, makes the lower end aligned of mould cutter head 1 shaping V-groove 301 and shaping oblique Face 302, die-filling completion;
D. during work pieces process, the workpiece for needing bending is first placed on the lower upper surface of main mould 3, makes one end and first of workpiece The side alignment of limited block 2, the distance that workpiece bending line and sideline are limited by the first limited block 2 is 3mm;
E. bender is opened, mold is quick close to workpiece surface under bender powered, when touching workpiece, Mold starts slow work and entered, and upper mould cutter head 1 tightly presses with workpiece, until the lower lower surface of main mould 3 and the lower upper surface of secondary mould 4 are tied Close, stop work and enter, keep pressure 30 seconds, rapid return;
F. workpiece is removed, the side that one end the second limited block 7 of insertion that Workpiece length is 3mm is in contact with lower secondary mould 4 Top step v notch v in;
G. repeat step D and step E;
H. workpiece is removed, Workpiece shaping is completed.
A kind of processing method with mould cutter head on limit function Bending Mould, its step are in the present embodiment:
1) raw material of mould cutter head 1 prepare on:
Upper mould cutter head 1 is made using rough forging, and the component of the rough forging is by weight percentage:C:0.51%, Si:0.16%, Mn:2.0%, Cr:1.40%;S≤0.03%, P≤0.03%, remaining is Fe;
2) rough forging the pre-heat treatment:
By the rough forging in step 1) using annealing, that is, 800 DEG C are heated to, is incubated 2.5 hours, air cooling;
3) preliminary working of rough forging:
Global shape that will be through the rough forging after step 2) the pre-heat treatment with planer preliminary working Cheng Shangmo cutter heads 1;
4) heat treatment of mould cutter head 1 on:
Modifier treatment will be carried out through the upper mould cutter head 1 after step 3) preliminary working, and be heated to temperature as 880 DEG C, insulation 1.5 is small When, quenching, quenching is quenched using quenching liquid, and the composition and percentage by weight of quenching liquid are:Triethanolamine:6%th, sodium benzoate: 0.7%th, 5- benzyls glycolylurea:1.6%th, fosphenytoin sodium:0.9%th, sodium citrate 2.2%, surplus are water;
5) deep processing of mould cutter head 1 on:
It will be obtained by the outer surface of mould cutter head 1 in the upper mould cutter head 1 progress deep processing after step 4) Quenching Treatment, finish-milling Upper mould cutter head 1.
By the present invention handle after upper mould cutter head, service life can reach 9000 times can also normal use, use 9875 When secondary, the top damage for having 1mm of upper mould cutter head bottom.
The mold component Stability Analysis of Structures manufactured by present implementation, wearability is good, excellent in cushion effect, logical to use this mould Has the workpiece accuracy height of manufacture, production speed is fast, can save a large amount of production times, substantially increase production efficiency.
Embodiment 2
The mould of the present embodiment is identical with the mould of embodiment 1, except that the first bolt sliding eye 202 and the first spiral shell The quantity of bolt 8 is 1;The quantity of second bolt sliding eye 403 and the second bolt 5 is 1;The length of slide protrusion 304 is 25mm, the depth of the 3rd groove 401 is 28mm;
A kind of processing method with mould cutter head on limit function Bending Mould, its step are in the present embodiment
1) raw material of mould cutter head 1 prepare on:
Upper mould cutter head 1 is made using rough forging, and the component of the rough forging is by weight percentage:C:0.50%, Si:0.17%, Mn:1.5%, Cr:1.60%;S≤0.03%, P≤0.03%, remaining is Fe;
2) rough forging the pre-heat treatment:
By the rough forging in step 1) using annealing, that is, 780 DEG C are heated to, is incubated 2 hours, air cooling;
3) preliminary working of rough forging:
Global shape that will be through the rough forging after step 2) the pre-heat treatment with planer preliminary working Cheng Shangmo cutter heads 1;
4) heat treatment of mould cutter head 1 on:
Modifier treatment will be carried out through the upper mould cutter head 1 after step 3) preliminary working, and be heated to temperature as 870 DEG C, insulation 1 is small When, quenching, quenching is quenched using quenching liquid, and the composition and percentage by weight of quenching liquid are:Triethanolamine:3%th, sodium benzoate: 0.8%th, 5- benzyls glycolylurea:1.2%th, fosphenytoin sodium:1.3%th, sodium citrate 1.9%, surplus are water;
5) deep processing of mould cutter head 1 on:
It will be obtained by the outer surface of mould cutter head 1 in the upper mould cutter head 1 progress deep processing after step 4) Quenching Treatment, finish-milling Upper mould cutter head 1.
By the present invention handle after upper mould cutter head, service life can reach 9100 times can also normal use, upper mould cutter head Bottom it is top have 1mm damage when use 9975 times, service life length.
Embodiment 3
The mould of the present embodiment is identical with the mould of embodiment 1, except that the first bolt sliding eye 202 and the first spiral shell The quantity of bolt 8 is 3;The quantity of second bolt sliding eye 403 and the second bolt 5 is 3
A kind of processing method with mould cutter head on limit function Bending Mould, its step are in the present embodiment
1) raw material of mould cutter head 1 prepare on:
Upper mould cutter head 1 is made using rough forging, and the component of the rough forging is by weight percentage:C:0.53%, Si:0.14%, Mn:2.5%, Cr:1.10%;S≤0.03%, P≤0.03%, remaining is Fe;
2) rough forging the pre-heat treatment:
By the rough forging in step 1) using annealing, that is, 820 DEG C are heated to, is incubated 3 hours, air cooling;
3) preliminary working of rough forging:
Global shape that will be through the rough forging after step 2) the pre-heat treatment with planer preliminary working Cheng Shangmo cutter heads 1;
4) heat treatment of mould cutter head 1 on:
Modifier treatment will be carried out through the upper mould cutter head 1 after step 3) preliminary working, and be heated to temperature as 890 DEG C, insulation 2 is small When, quenching, quenching is quenched using quenching liquid, and the composition and percentage by weight of quenching liquid are:Triethanolamine:8%th, sodium benzoate: 0.5%th, 5- benzyls glycolylurea:1.8%th, fosphenytoin sodium:0.7%th, sodium citrate 2.6%, surplus are water;
5) deep processing of mould cutter head 1 on:
It will be obtained by the outer surface of mould cutter head 1 in the upper mould cutter head 1 progress deep processing after step 4) Quenching Treatment, finish-milling Upper mould cutter head 1.
By the present invention handle after upper mould cutter head, service life can reach 8000 times can also normal use, use 9100 When secondary, the top damage for having 1.2mm of upper mould cutter head bottom.

Claims (7)

1. a kind of application method with limit function Bending Mould, comprises the following steps:
A. when die-filling, by lower secondary mould(4)On bending machine die base, it is fastened by bolts;
B. the first bolt is adjusted, makes the first limited block(2)The height of upper surface peak is higher than lower main mould(3)Upper level 2 Mm, the second bolt is adjusted, makes lower main mould(3)Lower surface and lower secondary mould(4)The mm of upper table interplanar distance 15;
C. mold is arranged on slider of bender, makes mould cutter head(1)Lower end aligned is molded V-groove(301)It is oblique with shaping Face(302), die-filling completion;
D. during work pieces process, the workpiece for needing bending is first placed on lower main mould(3)Upper surface, make one end and first of workpiece Limited block(2)Side alignment, pass through the first limited block(2)The distance for limiting workpiece bending line and sideline is 3 mm;
E. bender is opened, mold is quick close to workpiece surface under bender powered, when touching workpiece, on Mould starts slow work and entered, upper mould cutter head(1)Tightly pressed with workpiece, until lower main mould(3)Lower surface and lower secondary mould(4)Upper table Face combines, and stops work and enters, keeps pressure 30 seconds, rapid return;
F. workpiece is removed, the second limited block is inserted into one end that Workpiece length is 3 mm(7)With lower secondary mould(4)The side being in contact In the step v notch v of the top in face;
G. repeat step D and step E;
H. workpiece is removed, Workpiece shaping is completed;
Described band limit function Bending Mould includes mold and lower mould, and described mold includes upper mould cutter head(1);Institute The lower mould stated includes lower main mould(3)With lower secondary mould(4), in addition to the first limited block(2)With the second limited block(7), it is described First limited block(2)Upper surface be provided with the first groove(201), lower surface is provided with the first spring cavity(203), its section is similar " H " shape, its upper surface are inclined-plane;Described lower main mould(3)Upper surface be sequentially provided with shaping V-groove from left to right(301), into Type inclined-plane(302)With the second groove(303);The first described spring cavity(203)Inside it is provided with the first spring;Described first is spacing Block(2)Positioned at the second groove(303)It is interior, and the height of its upper surface peak is higher than lower main mould(3)The height of upper surface;It is described The natural length of the first spring be more than the first spring cavity(203)Depth;Described lower main mould(3)Lower surface is additionally provided with slip It is raised(304);Described slide protrusion(304)It is interior to be provided with second spring chamber(305);Described second spring chamber(305)Inside set There is second spring;Described second spring natural length is more than second spring chamber(305)Depth;Described lower secondary mould(4)On Surface is provided with the 3rd groove(401), lower surface is provided with the 4th groove(402);Described slide protrusion(304)Positioned at the 3rd groove (401)It is interior;Described slide protrusion(304)Length be less than or equal to the 3rd groove(401)Depth;The second described limited block (7)Installed in lower secondary mould(4)Side, its upper surface and lower secondary mould(4)Upper surface it is concordant, itself and lower secondary mould(4)It is in contact The top of side be provided with step v notch v;Described upper mould cutter head(1)The shape of lower surface and shaping V-groove(301), shaping Inclined-plane(302)Shape it is corresponding.
A kind of 2. application method with limit function Bending Mould according to claim 1, it is characterised in that:Described One limited block(2)Also include the first bolt sliding eye(202)With the first bolt(8);The first described bolt sliding eye(202)Position In the first groove(201)With the first spring cavity(203)Between;The first described bolt(8)Sequentially pass through the first groove(201)、 First bolt sliding eye(202), after the first spring with lower main mould(3)Connection.
A kind of 3. application method with limit function Bending Mould according to claim 1, it is characterised in that:Under described Secondary mould(4)Also include the second bolt sliding eye(403)With the second bolt(5);The second described bolt sliding eye(403)Positioned at Three grooves(401)With the 4th groove(402)Between;The second described bolt(5)From the 4th groove(402)Sequentially pass through the second spiral shell Bolt sliding eye(403)It is connected with after second spring with lower main mould.
A kind of 4. application method with limit function Bending Mould according to claim 1, it is characterised in that:Described Two limited blocks(7)It is provided with the 3rd bolt(6), the second limited block(7)Pass through the 3rd bolt(6)With lower secondary mould(4)Connection.
A kind of 5. application method with limit function Bending Mould according to claim 1, it is characterised in that:Described One limited block(2)Upper surface bevel angle and profiled ramp(302)Angle it is identical;Described profiled ramp(302)With The angle of horizontal plane is 18 °.
A kind of 6. application method with limit function Bending Mould according to claim 2, it is characterised in that:Described One bolt sliding eye(202)With the first bolt(8)Quantity be 1-4.
A kind of 7. application method with limit function Bending Mould according to claim 3, it is characterised in that:Described Two bolt sliding eyes(403)With the second bolt(5)Quantity be 1-3.
CN201610265572.1A 2014-12-18 2014-12-18 A kind of application method with limit function Bending Mould Active CN105880382B (en)

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US6003353A (en) * 1997-08-22 1999-12-21 Komatsu, Ltd. Bending method and bending apparatus
CN2504008Y (en) * 2001-09-14 2002-08-07 鲁占国 Combined overlapped die
CN200991730Y (en) * 2006-12-22 2007-12-19 江苏国力锻压机床有限公司 Two edge folding mould of bending machine
CN201088992Y (en) * 2007-06-28 2008-07-23 杭宜银 Double-bending combination die
CN202087644U (en) * 2011-02-25 2011-12-28 佛山市南海力丰机床有限公司 Bending machine with auxiliary locating device
CN202377395U (en) * 2011-12-30 2012-08-15 马鞍山市国菱机械刃模有限公司 Bender die for bending Z-shaped workpieces
CN203265423U (en) * 2013-05-31 2013-11-06 马鞍山市恒利达机械刀片有限公司 Deflection preventing composite die of bending machine
CN103624164A (en) * 2013-12-12 2014-03-12 安徽力源数控刃模具制造有限公司 Bending machine-specific die for special Z-shaped workpieces and machining method for upper die thereon

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CN105903812B (en) 2018-05-22
CN104492963B (en) 2016-08-24
CN105903812A (en) 2016-08-31
CN105880382A (en) 2016-08-24

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