CN104492963A - Bend mould with limit function and using method and upper die bit machining method of bend mould - Google Patents

Bend mould with limit function and using method and upper die bit machining method of bend mould Download PDF

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Publication number
CN104492963A
CN104492963A CN201410789169.XA CN201410789169A CN104492963A CN 104492963 A CN104492963 A CN 104492963A CN 201410789169 A CN201410789169 A CN 201410789169A CN 104492963 A CN104492963 A CN 104492963A
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China
Prior art keywords
mould
groove
cutter head
bolt
limited block
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CN201410789169.XA
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CN104492963B (en
Inventor
张迎年
张先进
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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    • 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 bend mould with a limit function and a using method and an upper die bit machining method of the bend mould and belongs to the field of bending machines. The bend mould solves the problem that mould bending workpieces of existing bending machines are complicated in procedures and long in machining time and have a considerable effect on production efficiency. The bend mould comprises an upper die and a lower die, wherein the upper die comprises an upper die bit, and the lower die comprises a lower master die, a lower slave die, a first limiter and a second limiter. The upper surface of the lower master die is provided with a second groove, the first limiter is arranged in the second groove, the lower surface of the lower master die is further provided with a slide protrusion, the upper surface of the lower slave die is provided with a third groove, the slide protrusion is arranged in the third groove, the second limiter is mounted on the lateral side of the lower slave die, the lateral side of the second limiter contacting with the lower slave die is provided with a step-shaped notch above. By the bend mould, bending length positioning and bending forming and the like are combined, production time is greatly reduced, and the bend mould plays a key role in improving production efficiency.

Description

A kind of method with limit function Bending Mould and use thereof, the processing of patrix cutter head
Technical field
The invention belongs to bender field, specifically, relate to a kind of method with limit function Bending Mould and use thereof, the processing of patrix cutter head.
Background technology
Along with the progress of science and technology, various electric equipment products are more and more universal, also more and more higher to the rate request of production electric equipment products, comprising the punch forming of various electric appliance housing; Bender plays very important effect in electric appliance casing is produced, especially in production line, stamping procedure requires fast, accurate and safety, and a kind of metal shell often needs could arrive requirement through a few road bending stamping procedure, how to reduce bending stamping procedure, accelerate bending drawing velocity, ensure product quality and precision simultaneously, become the key of enhancing productivity; Improve shape and the function of mould, several roads bending process can be merged together, a bending machine die can complete the different bending required several times, reach minimizing manufacturing procedure, accelerate process velocity, the object of increasing work efficiency.Such as, a lot of enterprise needs the workpiece processing a kind of special shape now, its shape as shown in Figure 9, because this workpiece has the bending of two different directions, the different mould of general needs two carries out bending just can be completed, if improvement mould, by workpiece bending and molding as shown in Figure 9, will greatly enhance productivity.
China Patent No. ZL201120567940.0, the patent document in publication date on August 15th, 2012, discloses a kind of bending machine die of bending Z-type workpiece, belongs to technical field of mechanical equipment.It comprises mold, bed die, also comprise middle mould, pad, the lower surface of described mold is provided with two knuckles and upwards downwards, the upper surface of described middle mould is provided with two knuckles and upwards matched with mold downwards, and a side-lower of middle mould has a right angle step, and pad is positioned at right angle step place, described middle mould and bed die are located by square groove, have spring in square groove, described counterdie has a groove, and the latter half of middle mould can be inserted in groove.The mould of this utility model does not need more mold exchange just can complete the processing of a Z-type workpiece, and can regulate the distance between the Z-type workpiece intermediate layer of processing and workpiece upper epidermis; This utility model structure is simple, reasonable in design, is easy to manufacture.But this utility model is when practice, often can not control the length of workpiece bending corner, thus bring the manufacturing procedure of the long corner of length being carried out to cutting, add the production time, especially when bending edges is shorter, go cutting very inconvenient after bending and molding again, and easily cause the angle of original bending and molding to deform, affect the quality of product, even need secondary Bending Processing, create great waste, seriously hinder the raising of production efficiency.
China Patent No. ZL201320311290.2, the patent document in publication date on November 6th, 2013, discloses a kind of bender composite die of anti-beat, belongs to bender technical field.The bender composite die of a kind of anti-beat of this utility model, comprise upper die and lower die, die shoe, resetting-mechanism and anti-deflection mechanism, patrix top is provided with die shank, and the bottom of patrix is provided with V-arrangement mould point; The top of counterdie is provided with V-shaped groove, and the bottom of counterdie is provided with gathering sill, and the bottom of gathering sill 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 with the staged through hole of the vertical direction through blank-holding workbench and lead; Resetting-mechanism comprises bolt and spring, and bolt is passed staged through hole and is connected with counterdie by bolt hole, and spring is sleeved on the screw rod of bolt; Anti-deflection mechanism comprises guide pillars and bushes, and guide pillar is connected mutually with counterdie bottom, and guide pin bushing is connected mutually with die shoe.This utility model improves the production efficiency of bender, and effectively can prevent the generation of beat.But this utility model can not be located workpiece bending length, thus disposable machine-shaping; And if finish bending line before processing, then add crossed process, and constantly need carry out line alignment work when bending operation, produce great additional effort export, waste the production time, have a strong impact on the raising of production efficiency.
From the prior art, various mould all cannot process our said workpiece, so be badly in need of solving this problem.
Summary of the invention
The problem that 1, will solve
More for existing bending machine die bending workpieces operation, complicated operation, long processing time, have a strong impact on the problem of production efficiency, the invention provides a kind of method with limit function Bending Mould and use thereof, the processing of patrix cutter head, several procedures such as bending length location, bending and molding are merged together, when being especially applied on flow production line, greatly reducing the production time, save labour, playing critical effect to enhancing productivity.
2, technical scheme
For solving the problem, the present invention adopts following technical scheme.
A kind of band limit function Bending Mould, comprise mold and bed die, described mold comprises patrix cutter head; Described bed die comprises 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 provided with the first groove, and lower surface is provided with the first spring cavity, and its cross section is similar " H " shape, and its upper surface is inclined-plane; The upper surface of described lower main mould is provided with shaping V-type groove, profiled ramp and the second groove from left to right successively; The first spring is provided with in the first described spring cavity; The first described limited block is positioned at the second groove, and the height of its upper surface peak is higher than the height of lower main mould upper surface; The natural length of the first described spring is greater than the degree of depth of the first spring cavity; Described lower main mould lower surface is also provided with slide protrusion; The second spring cavity is provided with in described slide protrusion; The second spring is provided with in the second described spring cavity; The second described spring natural length is greater than the degree of depth of the second spring cavity; Described lower secondary mould upper surface is provided with the 3rd groove, and lower surface is provided with the 4th groove; Described slide protrusion is positioned at the 3rd groove; The length of described slide protrusion is less than or equal to the degree of depth of the 3rd groove; 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 provided with step breach with the top of the side that lower secondary mould contacts; The shape of described patrix cutter head lower surface is corresponding with the shape of shaping V-type groove, profiled ramp.
Preferably, the first described limited block also comprises 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; Be connected with lower main mould after the first described screw bolt passes first groove, the first bolt sliding eye, the first spring.
Preferably, described lower secondary mould also comprises the second bolt sliding eye and the second bolt; The second described bolt sliding eye is between the 3rd groove and the 4th groove; The second described bolt is connected with slide protrusion through after the second bolt sliding eye and the second spring successively from the 4th groove.
Preferably, the second described limited block is provided with the 3rd bolt, and the second limited block is connected with lower secondary mould by the 3rd bolt.
Preferably, the bevel angle of the upper surface of the first described limited block is identical with the angle of profiled ramp; Described profiled ramp and the angle of horizontal plane are 18 °.
Preferably, the first described bolt sliding eye and the quantity of the first bolt are 1-4.
Preferably, the second described bolt sliding eye and the quantity of the second bolt are 1-3.
With a using method for limit function Bending Mould, comprise the following steps:
A., time die-filling, lower secondary mould be arranged on bending machine die base, be fastened by bolts;
B. adjust the first bolt, make the height of the first limited block upper surface peak higher than lower main mould upper level 2mm, adjust the second bolt, make lower main mould lower surface and lower secondary mould upper surface spacing 15mm;
C. mold is arranged on slider of bender, makes the shaping V-type groove of patrix cutter head lower end aligned and profiled ramp, die-fillingly to complete;
D. during work pieces process, first by needing the workpiece of bending to be placed on lower main mould upper surface, being alignd in one end of workpiece with the side of the first limited block, is 3mm by the distance in the first limited block restriction workpiece bending line and sideline;
E. open bender, mold is quick near surface of the work under bender powered, when touching workpiece, mold starts slow work and enters, the tightly pressing of patrix cutter head and workpiece, until lower main mould lower surface and lower secondary mould upper surface combine, stop work entering, keep pressure 30 seconds, rapid return;
F. taking off workpiece, is that one end of 3mm is inserted in the step breach of the top of the side that the second limited block contacts with lower secondary mould by Workpiece length;
G. step C and step D is repeated;
H. take off workpiece, Workpiece shaping completes.
Because the shape of patrix cutter head lower surface is corresponding with the shape of shaping V-type groove, profiled ramp, bottom is that one " V " row is protruding, so this projection is especially easily damaged, common die processing method, use and protruding fracture or heavy wear will occur for about 3000-4000 time, at this time need to change whole mold, use technology cost is high, for this reason, we devise the processing method of patrix cutter head especially.
With a processing method for limit function Bending Mould patrix cutter head, the steps include:
1) patrix cutter head raw material prepare:
Patrix cutter head adopts rough forging to obtain, and the components based on weight percentage of this rough forging is: 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%, all the other are Fe;
2) rough forging the pre-heat treatment:
By step 1) in rough forging adopt annealing in process, be namely heated to 780-820 DEG C, insulation 2-3 hour, air cooling;
3) preliminary working of rough forging:
By through step 2) rough forging planer preliminary working after the pre-heat treatment becomes the global shape of patrix cutter head;
4) heat treatment of patrix cutter head:
By through step 3) patrix cutter head after preliminary working carries out modifier treatment, and being heated to temperature is 870-890 DEG C, insulation 1-2 hour, quenching, and quenching adopts quenching liquid quenching;
5) deep processing of patrix cutter head:
By through step 4) patrix cutter head after Quenching Treatment carries out deep processing, and finish-milling patrix cutter head outer surface, obtains patrix cutter head.
Preferably, the composition of described quenching liquid and percentage by weight are: triethanolamine: 3% ~ 8%, Sodium Benzoate: 0.5% ~ 0.8%, 5-benzyl glycolylurea: 1.2% ~ 1.8%, fosphenytoin sodium: 0.7% ~ 1.3%, natrium citricum 1.9% ~ 2.6%; Surplus is water.
3, beneficial effect
Compared to prior art, beneficial effect of the present invention is:
(1) mould of the present invention comprises mold and bed die, and mold comprises patrix cutter head; Bed die comprises lower main mould, lower secondary mould, the first limited block and the second limited block, and the first limited block and the second limited block play the effect to location, workpiece to be processed position respectively, and machining accuracy is improved; The upper surface of the first limited block is provided with the first groove, and lower surface is provided with the first spring cavity, and its cross section is similar " H " shape, and its upper surface is inclined-plane; The upper surface of lower main mould is provided with shaping V-type groove, profiled ramp and the second groove from left to right successively; The first spring is provided with in first spring cavity; First limited block is positioned at the second groove, and the height of its upper surface peak is higher than the height of lower main mould upper surface, and namely the part that the first limited block exceeds lower main mould upper surface plays the part to workpiece to be processed position-limiting action; The natural length of the first spring is greater than the degree of depth of the first spring cavity, ensure that the first limited block exceeds lower main mould upper surface; Lower main mould lower surface is also provided with slide protrusion; The second spring cavity is provided with in slide protrusion; The second spring is provided with in second spring cavity; Second spring natural length is greater than the degree of depth of the second spring cavity, ensure that and maintains a certain distance between lower main mould lower surface and 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 positioned at the 3rd groove; The length of slide protrusion is less than or equal to the degree of depth of the 3rd groove; Second 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 provided with step breach with the top of the side that lower secondary mould contacts, and this breach plays the effect of clamping workpiece to be processed one end; The shape of patrix cutter head lower surface is corresponding with the shape of shaping V-type groove, profiled ramp; Mould of the present invention plays the effect to workpiece to be processed bending length location by the first limited block and the second limited block, a few procedure such as bending length location, bending and molding in bending process is merged together, decrease production process, substantially reduce the production time, saving labour, playing critical effect to enhancing productivity.
(2) mould first limited block of the present invention also comprises the first bolt sliding eye and the first bolt; First bolt sliding eye is between the first groove and the first spring cavity; Be connected with lower main mould after first screw bolt passes first groove, the first bolt sliding eye, the first spring, by the first bolt, the first spring, the first limited block are connected point-blank with lower main mould three, improve stability and the precision of the first limited block;
(3) under mould of the present invention, secondary mould also comprises the second bolt sliding eye and the second bolt; Second bolt sliding eye is between the 3rd groove and the 4th groove; Second bolt is connected with slide protrusion through after the second bolt sliding eye and the second spring successively from the 4th groove, lower secondary mould, the second spring is connected with slide protrusion, improves the stability of mould by the second bolt;
(4) mould second limited block of the present invention is provided with the 3rd bolt, and the second limited block is connected with lower secondary mould by the 3rd bolt, installs the second limited block, facilitate the second limited block demolition and maintenance and replacing by the 3rd bolt;
(5) bevel angle of the upper surface of mould first limited block of the present invention is identical with the angle of profiled ramp; The angle of profiled ramp and horizontal plane is 18 °, and the upper surface of the first limited block is arranged and the inclined-plane of profiled ramp equal angular is to make patrix cutter head fit with lower main mould upper surface completely, making machining accuracy higher; The angle of profiled ramp and horizontal plane makes profiled ramp and shaping V-type groove inner surface form the angle of (90-3) °, and this angle is that after work pieces process completes, resilience provides the resilience surplus of 3 °, further increases machining accuracy;
(6) quantity of mould first bolt sliding eye of the present invention and the first bolt is 1-4, the quantity of the second bolt sliding eye and the second bolt is 1-3, because the width of workpiece to be processed is different, so require that the design length of mould of the present invention is different, in order to meet the bearing capacity of mould of the present invention, passive first spring and the second spring can be increased;
(7) using method of the present invention is simple, and machining accuracy is high, and Forging Process is time saving and energy saving, facilitates the raising of such production efficiency;
(8) patrix method for manufacturing tool bit of the present invention, adopt special material and special Technology for Heating Processing, improve the morphology of martensite of the interior tissue of patrix cutter head, make it have more lasting impact strength and wearability, extending the service life of patrix cutter head, providing guarantee for enhancing productivity.
Accompanying drawing explanation
Fig. 1 is the structural representation of mould of the present invention;
Fig. 2 is the structural representation of main mould under mould of the present invention;
Fig. 3 is main mould top view under mould of the present invention;
Fig. 4 is main mould upward view under mould of the present invention;
Fig. 5 is the structural representation of secondary mould under mould of the present invention;
Fig. 6 is secondary mould top view under mould of the present invention;
Fig. 7 is the structural representation of mould first limited block of the present invention;
Fig. 8 is using method schematic diagram of the present invention;
Fig. 9 is processed shaping workpiece schematic diagram by mould of the present invention.
In figure: 1, patrix cutter head; 2, the first limited block; 3, lower main mould; 4, lower secondary mould; 5, the second bolt; 6, the 3rd bolt; 7, the second limited block; 8, the first bolt; 201, the first groove; 202, the first bolt sliding eye; 203, the first spring cavity; 301, shaping V-type groove; 302, profiled ramp; 303, the second groove; 304, slide protrusion; 305, the second spring cavity; 401, the 3rd groove; 402, the 4th groove; 403, the second bolt sliding eye.
Detailed description of the invention
Embodiment 1
As shown in Fig. 1-Fig. 7, a kind of band limit function Bending Mould, comprise mold and bed die, mold comprises patrix cutter head 1; Bed die comprises lower main mould 3, lower secondary mould 4, first limited block 2 and the second limited block 7, the upper surface of the first limited block 2 is provided with the first groove 201, lower surface is provided with the first spring cavity 203, the first bolt sliding eye 202 and the first bolt 8 is provided with between first groove 201 and the first spring cavity 203, the quantity of the first bolt sliding eye 202 and the first bolt 8 is 4, first bolt 8 is connected with lower main mould 3 through after the first groove 201, first bolt sliding eye 202, first spring successively, first limited block 2 cross section is similar " H " shape, and its upper surface is inclined-plane; The upper surface of lower main mould 3 is provided with shaping V-type groove 301, profiled ramp 302 and the second groove 303 from left to right successively, and the opening angle of V-type groove 301 is 30 °; The first spring is provided with in first spring cavity 203; First limited block 2 is positioned at the second groove 303, the peak of the first limited block 2 is 41.5mm to the distance of the second groove 303 bottom surface, second groove 303 bottom surface is 40.7mm to the distance of lower main mould 3 upper surface, and upper surface, the profiled ramp 302 of the first limited block 2 are 18 ° with the angle of horizontal plane; The natural length of the first spring is 20mm, and the degree of depth of the first spring cavity 203 is 15mm; Lower main mould 3 lower surface is also provided with slide protrusion 304; The second spring cavity 305 is provided with in slide protrusion 304; The second spring is provided with in second spring cavity 305; Second spring natural length is 35mm, and the degree of depth of the second spring cavity 305 is 25mm; Lower secondary mould 4 upper surface is provided with the 3rd groove 401, lower surface is provided with the 4th groove 402, the second bolt sliding eye 403 and the second bolt 5 is provided with between 3rd groove 401 and the 4th groove 402, the quantity of the second bolt sliding eye 403 and the second bolt 5 is 2, and the second bolt 5 is connected with slide protrusion 304 through after the second bolt sliding eye 403 and the second spring successively from the 4th groove 402; Slide protrusion 304 is positioned at the 3rd groove 401; The length of slide protrusion 304 is 30mm, and the degree of depth of the 3rd groove 401 is 30mm; Second limited block 7 is provided with the 3rd bolt 6, second limited block 7 is arranged on lower secondary mould 4 side by the 3rd bolt 6, and its upper surface is concordant with the upper surface of lower secondary mould 4, and it is provided with step breach with the top of the side that lower secondary mould 4 contacts; The shape of patrix cutter head 1 lower surface is corresponding with the shape of shaping V-type groove 301, profiled ramp 302.
As shown in Figure 8 and Figure 9, a kind of using method with limit function Bending Mould in the present embodiment, comprises the following steps:
A., time die-filling, lower secondary mould 4 be arranged on bending machine die base, be fastened by bolts;
B. adjust the first bolt, make the height of the first limited block 2 upper surface peak higher than lower main mould 3 upper level 2mm, adjust the second bolt, make lower main mould 3 lower surface and lower secondary mould 4 upper surface spacing 15mm;
C. mold is arranged on slider of bender, makes the shaping V-type groove 301 of patrix cutter head 1 lower end aligned and profiled ramp 302, die-fillingly to complete;
D., during work pieces process, first by needing the workpiece of bending to be placed on lower main mould 3 upper surface, alignd in one end of workpiece with the side of the first limited block 2, the distance being limited workpiece bending line and sideline by the first limited block 2 is 3mm;
E. bender is opened, mold is quick near surface of the work under bender powered, when touching workpiece, mold starts slow work and enters, patrix cutter head 1 and workpiece tightly pressing, until lower main mould 3 lower surface and lower secondary mould 4 upper surface combine, stop work entering, keep pressure 30 seconds, rapid return;
F. taking off workpiece, is that one end of 3mm is inserted in the step breach of the top of the side that the second limited block 7 contacts with lower secondary mould 4 by Workpiece length;
G. step C and step D is repeated;
H. take off workpiece, Workpiece shaping completes.
In the present embodiment, a kind of processing method with limit function Bending Mould patrix cutter head, the steps include:
1) patrix cutter head 1 raw material prepare:
Patrix cutter head 1 adopts rough forging to obtain, and the components based on weight percentage of this rough forging is: C:0.51%, Si:0.16%, Mn:2.0%, Cr:1.40%; S≤0.03%, P≤0.03%, all the other are Fe;
2) rough forging the pre-heat treatment:
By step 1) in rough forging adopt annealing in process, be namely heated to 800 DEG C, be incubated 2.5 hours, air cooling;
3) preliminary working of rough forging:
By through step 2) rough forging planer preliminary working after the pre-heat treatment becomes the global shape of patrix cutter head 1;
4) heat treatment of patrix cutter head 1:
By through step 3) patrix cutter head 1 after preliminary working carries out modifier treatment, being heated to temperature is 880 DEG C, be incubated 1.5 hours, quenching, quenching adopts quenching liquid quenching, the composition of quenching liquid and percentage by weight are: triethanolamine: 6%, Sodium Benzoate: 0.7%, 5-benzyl glycolylurea: 1.6%, fosphenytoin sodium: 0.9%, natrium citricum 2.2%, and surplus is water;
5) deep processing of patrix cutter head 1:
By through step 4) patrix cutter head 1 after Quenching Treatment carries out deep processing, and finish-milling patrix cutter head 1 outer surface, obtains patrix cutter head 1.
Patrix cutter head after process of the present invention, can reach and can also normally use for 9000 times service life, when using 9875 times, and the top damage having 1mm of patrix cutter head bottom.
The mold component Stability Analysis of Structures manufactured by this implementation method, wearability is good, excellent in cushion effect, and the logical workpiece accuracy of this Making mold that uses is high, and production speed is fast, can save a large amount of production time, substantially increase production efficiency.
Embodiment 2
The mould of the present embodiment is identical with the mould of embodiment 1, and difference is the quantity of the first bolt sliding eye 202 and the first bolt 8 is 1; The quantity of the second bolt sliding eye 403 and the second bolt 5 is 1; The length of slide protrusion 304 is 25mm, and the degree of depth of the 3rd groove 401 is 28mm;
A kind of processing method with limit function Bending Mould patrix cutter head in the present embodiment, its step is
1) patrix cutter head 1 raw material prepare:
Patrix cutter head 1 adopts rough forging to obtain, and the components based on weight percentage of this rough forging is: C:0.50%, Si:0.17%, Mn:1.5%, Cr:1.60%; S≤0.03%, P≤0.03%, all the other are Fe;
2) rough forging the pre-heat treatment:
By step 1) in rough forging adopt annealing in process, be namely heated to 780 DEG C, be incubated 2 hours, air cooling;
3) preliminary working of rough forging:
By through step 2) rough forging planer preliminary working after the pre-heat treatment becomes the global shape of patrix cutter head 1;
4) heat treatment of patrix cutter head 1:
By through step 3) patrix cutter head 1 after preliminary working carries out modifier treatment, being heated to temperature is 870 DEG C, be incubated 1 hour, quenching, quenching adopts quenching liquid quenching, the composition of quenching liquid and percentage by weight are: triethanolamine: 3%, Sodium Benzoate: 0.8%, 5-benzyl glycolylurea: 1.2%, fosphenytoin sodium: 1.3%, natrium citricum 1.9%, and surplus is water;
5) deep processing of patrix cutter head 1:
By through step 4) patrix cutter head 1 after Quenching Treatment carries out deep processing, and finish-milling patrix cutter head 1 outer surface, obtains patrix cutter head 1.
Patrix cutter head after process of the present invention, can reach and can also normally use for 9100 times service life, has used 9975 times, long service life during the damage of the top 1mm of having of patrix cutter head bottom.
Embodiment 3
The mould of the present embodiment is identical with the mould of embodiment 1, and difference is the quantity of the first bolt sliding eye 202 and the first bolt 8 is 3; The quantity of the second bolt sliding eye 403 and the second bolt 5 is 3
A kind of processing method with limit function Bending Mould patrix cutter head in the present embodiment, its step is
1) patrix cutter head 1 raw material prepare:
Patrix cutter head 1 adopts rough forging to obtain, and the components based on weight percentage of this rough forging is: C:0.53%, Si:0.14%, Mn:2.5%, Cr:1.10; S≤0.03%, P≤0.03%, all the other are Fe;
2) rough forging the pre-heat treatment:
By step 1) in rough forging adopt annealing in process, be namely heated to 820 DEG C, be incubated 3 hours, air cooling;
3) preliminary working of rough forging:
By through step 2) rough forging planer preliminary working after the pre-heat treatment becomes the global shape of patrix cutter head 1;
4) heat treatment of patrix cutter head 1:
By through step 3) patrix cutter head 1 after preliminary working carries out modifier treatment, being heated to temperature is 890 DEG C, be incubated 2 hours, quenching, quenching adopts quenching liquid quenching, the composition of quenching liquid and percentage by weight are: triethanolamine: 8%, Sodium Benzoate: 0.5%, 5-benzyl glycolylurea: 1.8%, fosphenytoin sodium: 0.7%, natrium citricum 2.6%, and surplus is water;
5) deep processing of patrix cutter head 1:
By through step 4) patrix cutter head 1 after Quenching Treatment carries out deep processing, and finish-milling patrix cutter head 1 outer surface, obtains patrix cutter head 1.
Patrix cutter head after process of the present invention, can reach and can also normally use for 8000 times service life, when using 9100 times, and the top damage having 1.2mm of patrix cutter head bottom.

Claims (10)

1. be with a limit function Bending Mould, comprise mold and bed die, described mold comprises patrix cutter head (1); Described bed die comprises lower main mould (3) and lower secondary mould (4), it is characterized in that: also comprise the first limited block (2) and the second limited block (7), the upper surface of described the first limited block (2) is provided with the first groove (201), lower surface is provided with the first spring cavity (203), its cross section is similar " H " shape, and its upper surface is inclined-plane; The upper surface of described lower main mould (3) is provided with shaping V-type groove (301), profiled ramp (302) and the second groove (303) from left to right successively; The first spring is provided with in described the first spring cavity (203); Described the first limited block (2) is positioned at the second groove (303), and the height of its upper surface peak is higher than the height of lower main mould (3) upper surface; The natural length of the first described spring is greater than the degree of depth of the first spring cavity (203); Described lower main mould (3) lower surface is also provided with slide protrusion (304); The second spring cavity (305) is provided with in described slide protrusion (304); The second spring is provided with in described the second spring cavity (305); The second described spring natural length is greater than the degree of depth of the second spring cavity (305); Described lower secondary mould (4) upper surface is provided with the 3rd groove (401), and lower surface is provided with the 4th groove (402); Described slide protrusion (304) is positioned at the 3rd groove (401); The length of described slide protrusion (304) is less than or equal to the degree of depth of the 3rd groove (401); Described the second limited block (7) is arranged on the side of lower secondary mould (4), and its upper surface is concordant with the upper surface of lower secondary mould (4), and it is provided with step breach with the top of the side that lower secondary mould (4) contacts; The shape of described patrix cutter head (1) lower surface is corresponding with the shape of shaping V-type groove (301), profiled ramp (302).
2. one band limit function Bending Mould according to claim 1, is characterized in that: described the first limited block (2) also comprises the first bolt sliding eye (202) and the first bolt (8); The first described bolt sliding eye (202) is positioned between the first groove (201) and the first spring cavity (203); Described the first bolt (8) is connected with lower main mould (3) through after the first groove (201), the first bolt sliding eye (202), the first spring successively.
3. one band limit function Bending Mould according to claim 1, is characterized in that: described lower secondary mould (4) also comprises the second bolt sliding eye (403) and the second bolt (5); The second described bolt sliding eye (403) is positioned between the 3rd groove (401) and the 4th groove (402); Described the second bolt (5) is connected with slide protrusion (304) through after the second bolt sliding eye (403) and the second spring successively from the 4th groove (402).
4. one band limit function Bending Mould according to claim 1, it is characterized in that: described the second limited block (7) is provided with the 3rd bolt (6), the second limited block (7) is connected with lower secondary mould (4) by the 3rd bolt (6).
5. one band limit function Bending Mould according to claim 1, is characterized in that: the bevel angle of the upper surface of described the first limited block (2) is identical with the angle of profiled ramp (302); Described profiled ramp (302) is 18 ° with the angle of horizontal plane.
6. one band limit function Bending Mould according to claim 2, is characterized in that: the first described bolt sliding eye (202) and the quantity of the first bolt (8) are 1-4.
7. one band limit function Bending Mould according to claim 3, is characterized in that: the second described bolt sliding eye (403) and the quantity of the second bolt (5) are 1-3.
8. a kind of using method with limit function Bending Mould according to claim 1, comprises the following steps:
A., time die-filling, lower secondary mould (4) be arranged on bending machine die base, be fastened by bolts;
B. the first bolt is adjusted, make the height of the first limited block (2) upper surface peak higher than lower main mould (3) upper level 2mm, adjust the second bolt, make lower main mould (3) lower surface and lower secondary mould (4) upper surface spacing 15mm;
C. mold is arranged on slider of bender, makes the shaping V-type groove (301) of patrix cutter head (1) lower end aligned and profiled ramp (302), die-fillingly to complete;
D. during work pieces process, first will the workpiece of bending be needed to be placed on lower main mould (3) upper surface, being alignd with the side of the first limited block (2) in one end of workpiece, is 3mm by the distance in the first limited block (2) restriction workpiece bending line and sideline;
E. bender is opened, mold is quick near surface of the work under bender powered, when touching workpiece, mold starts slow work and enters, patrix cutter head (1) and workpiece tightly pressing, until lower main mould (3) lower surface and lower secondary mould (4) upper surface combine, stop work entering, keep pressure 30 seconds, rapid return;
F. taking off workpiece, is that one end of 3mm is inserted in the step breach of the top of the side that the second limited block (7) contacts with lower secondary mould (4) by Workpiece length;
G. step C and step D is repeated;
H. take off workpiece, Workpiece shaping completes.
9. the processing method with limit function Bending Mould patrix cutter head, the steps include:
1) patrix cutter head (1) raw material prepare:
Patrix cutter head (1) adopts rough forging to obtain, and the components based on weight percentage of this rough forging is: 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%, all the other are Fe;
2) rough forging the pre-heat treatment:
By step 1) in rough forging adopt annealing in process, be namely heated to 780-820 DEG C, insulation 2-3 hour, air cooling;
3) preliminary working of rough forging:
By through step 2) rough forging planer preliminary working after the pre-heat treatment becomes the global shape of patrix cutter head (1);
4) heat treatment of patrix cutter head (1):
By through step 3) patrix cutter head (1) after preliminary working carries out modifier treatment, and being heated to temperature is 870-890 DEG C, insulation 1-2 hour, quenching, and quenching adopts quenching liquid quenching;
5) deep processing of patrix cutter head (1):
By through step 4) patrix cutter head (1) after Quenching Treatment carries out deep processing, finish-milling patrix cutter head (1) outer surface, obtains patrix cutter head (1).
10. a kind of processing method with limit function Bending Mould patrix cutter head according to claim 9, it is characterized in that: the composition of described quenching liquid and percentage by weight are: triethanolamine: 3% ~ 8%, Sodium Benzoate: 0.5% ~ 0.8%, 5-benzyl glycolylurea: 1.2% ~ 1.8%, fosphenytoin sodium: 0.7% ~ 1.3%, natrium citricum 1.9% ~ 2.6%, surplus is water.
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CN106424377B (en) * 2016-12-25 2018-09-25 安徽力源数控刃模具制造有限公司 Integral type multistation flanging mold

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CN201231284Y (en) * 2008-08-05 2009-05-06 张迎年 Ultra-long integration double-fold 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
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CN105903812B (en) 2018-05-22

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