CN204604457U - A kind of mould roller of rotating die cutting equipment - Google Patents
A kind of mould roller of rotating die cutting equipment Download PDFInfo
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- CN204604457U CN204604457U CN201520098420.8U CN201520098420U CN204604457U CN 204604457 U CN204604457 U CN 204604457U CN 201520098420 U CN201520098420 U CN 201520098420U CN 204604457 U CN204604457 U CN 204604457U
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- roll body
- mould roller
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Abstract
The utility model provides a kind of mould roller of rotating die cutting equipment, comprise roll body, described roll body is provided with blade, described roll body adopts laser melting and coating process to form the layer structure being followed successively by cladding layer, transition zone, matrix from outside to inside, described cladding layer forms blade, and described transition zone connects blade and matrix.Adopt the mould roller that above-mentioned laser melting and coating process is shaping, achieve: the metallurgical binding of different materials, dilution rate is little, maintains sword body material hardness, wearability, and matrix material toughness, and both associativities are good; Realize sword body section shape near-net-shape, reduce postorder Precision Machining amount; Cladding track can realize digital control, easily realizes pre-designed any complicated edge curve.
Description
[technical field]
The utility model relates to cross cutting processing technique field, particularly relates to a kind of mould roller of rotating die cutting equipment.
[background technology]
Die-cutting process, as tradition, classical manufacturing technology, has been widely used in tens industries such as printing, packaging, mobile phone digital accessory product, health medical supplies, electronic tag at present.Due to traditional concora crush die-cutting device poor stability, the series of problems such as automated procedures are low, energy ezpenditure is high, by market, therefore rotating die cutting EQUIPMENT MARKET GUIDE sharply expands.
Rotating die cutting device core parts are cross cutting knife rest, are made up of mould roller, round roller and mould bases.Wherein mould roller roll body there is blade by the manufacture of product to be processed shape.Mould roller, round roller keep certain pressure to contact under mould bases effect.In production, two roll bodies rotate relatively, material sends to continuously, under the crush-cutting effect of blade, just can process the product needing shape identical.The quality of target product and precision depend mainly on the mould roller blade accuracy of manufacture.
Existing moulding process has two classes: milling is shaping and insert is shaping.Wherein, " moulding process is cut in mould surface milling " on the cutter material of integrated powder low-alloyed high speed steel or carbide alloy, by milling, that grinding process flow process realizes blade is shaping.During milling moulding process cutter manufacture relatively large for diameter, two large problems can be there is: 1, during bulk heat treatmet, because roll body model structure is complicated, model wall thickness and matrix thickness differ greatly, and easily occur the problems such as gross distortion, interior tissue coarse grains, crackle when PM HSS or carbide alloy material major diameter roller heat-treatment quenching; 2, overall Milling Process is shaping, and cutting output is large, working (machining) efficiency is low, waste of material is serious.In addition, diameter is expensive more than the PM HSS of Φ 150, carbide alloy bar, and manufacturing cost is high." mould roller insert moulding process " designs according to mould roll structure, along blade lead curve (hereinafter referred to as edge curve), on roll body periphery, blade and periphery roll body matrix thereof are divided into some pieces, be made into insert with cutter material, make the roll body matrix containing insert installation site by common alloy steel simultaneously, fixing by insert and matrix connection by screw, insert assembling seamlessly connects into blade entirety, forms continuous print cutter-edge formation.There is subject matter in insert moulding process.1, seamlessly insert mounting technology realizes difficulty, and under long-term high speed operation state, accuracy guarantee retentivity is stranded; 2, size accommodation is narrower, because only have large scale mould roller just likely blade curve to be divided into some inserts, and adopts insert shaping.For the mould roller of Φ less than 150, still can only by overall milling type.
[summary of the invention]
The technical problems to be solved in the utility model, be the mould roller of the rotating die cutting equipment that a kind of laser melting and coating process cutter-edge formation is provided, make the processing of rotating die cutting equipment mould roller have higher efficiency, lower cost, manufacture and assembly precision and precision stability.
The technical problems to be solved in the utility model realizes by adopting following technical scheme:
A mould roller for rotating die cutting equipment, comprise roll body and the rotating shaft for transmission and location, described roll body is provided with blade, and described rotating shaft is positioned at the two ends of roll body; Described roll body adopts laser melting and coating process to form the layer structure being followed successively by cladding layer, transition zone, matrix from outside to inside, and described cladding layer forms blade, and described transition zone connects blade and matrix; The diameter of described mould roller is Φ 200mm ~ Φ 500mm; Described mould roller also comprises the protection ring for the protection of blade, and described protection ring is positioned at roll body periphery both sides, and protection ring external diameter is greater than the ultimate range of blade to roll body axle center.
Further: described cladding layer can be alloy tool steel layer or carbide alloy steel layer, and described matrix can be cylindrical steel, and matrix material can be normal carbon steel alloy, described transition zone is the metallurgical bonding layer of cladding layer and matrix.
The technical solution of the utility model tool has the following advantages:
Laser melting and coating process by metal alloy or other types of material at substrate deposit, realize the metallurgical binding of the storeroom between matrix, cladding layer, obtain atresia, microscopic structure that crystal grain is tiny, and good mechanical properties cladding layer.Same laser sintering and moulding, and coating processes such as plasma spraying is compared with HVOF, binding ability and the frictional behaviour of cladding layer are more excellent; With other metallurgical binding technique, as arc surfacing etc. is compared, laser melting coating heat affected area is less, matrix distortion is less.Based on above-mentioned advantage, laser melting coating more easily meets metal parts mechanical property requirements.
And laser melting and coating process is a kind of near-net-shape technology, only needs a small amount of processing after shaping or do not reprocess, namely can be used as mechanical component, therefore greatly can improve the working (machining) efficiency of mould roller.And laser melting coating cost is more and more lower, the effect of controlling cost also can be reached.
From rotating die cutting technological angle, be that roll body rigidity, toughness are high to mould roller mechanical property requirements, resistance to deformation and fracture energy strong; Meanwhile, edge strength, hardness are high, wear-resisting and not tipping.By the blade that laser melting and coating process is shaping, roll body forms cladding layer, transition zone and matrix from outside to inside successively, and wherein cladding layer is blade.Cutting edge material is alloy tool steel or carbide alloy Steel material, and institutional framework has the deposited metals metallographic feature of fast molten rapid cooling; Matrix material is normal carbon steel alloy, and institutional framework is ordinary metallurgical metallic gold phase character; Transition zone is between sword body and matrix, and material is the metallurgical binding of the bi-material of sword body and matrix, namely in transition zone, both can detect the component composition of sword body material, and the tissue elements composition of matrix material also can have been detected.And material composition is certain graded from sword body to matrix direction, namely more close to the transition region that sword body divides, the component composition of sword body material is higher, and more close to the transition region of body portion, the tissue elements composition of matrix material is higher.Institutional framework has laser cladding layer transition region metallic gold phase character.This kind of structure, make the blade of roll body have the high strength of alloy tool steel or hard alloy steel, high rigidity and wear-resisting feature, matrix then has the high rigidity of carbon structural steel, the feature of high tenacity; Transition region gradient-structure makes roll body present outside high strength, high rigidity on the whole, the mechanical characteristic of inner high rigidity, high tenacity, makes it can meet the requirement of die-cutting device mould roller completely, is conducive to the mould roller obtaining high accuracy and high accuracy retentivity.And laser melting and coating process can realize the metallurgical binding of different mechanical properties storeroom.If select suitable cladding cutter material and matrix, controlled by the melting and coating process of maturation, just can directly manufacture forming mould roller blade, and reach high strength, the high rigidity when keeping core toughness with outside simultaneously.
Laser melting and coating process is applicable to the mould roller of various sizes, the particularly mould roller of Φ 200mm ~ Φ 500mm diameter range, reason be milling moulding process adopt overall milling, heat treatment cutting edge moulding technology, for the mould roller that size is relatively large, there is the problem that percent defective is high, manufacturing cost is high, be not suitable for the mould roller of more than manufacturing dimension Φ 200mm; And the cutter-edge formation of the insert that the independence that insert moulding process adopts manufactures, gapless assembling, there is insert manufacture, assembly precision, and precision stability is difficult to ensure the problem of card, is not suitable for the mould roller manufacturing below diameter of phi 500mm.Therefore, laser melting and coating technique can be used for solving in prior art to the problem in the mould roller processing of Φ 200mm ~ Φ 500mm diameter range.
In roll body periphery both sides, increase protection ring, the effect of protection blade can be played, make mould roller safer in transport, storage and installation process.
[accompanying drawing explanation]
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is the structure chart of the utility model mould roller.
Fig. 2 is that in Fig. 1, A place becomes a full member enlarged drawing.
Fig. 3 is the utility model mould roller blade forming method schematic diagram.
Fig. 4 is coaxial powder-feeding mode schematic diagram.
Fig. 5 is side direction automatic powder feeding system schematic diagram.
[detailed description of the invention]
Refer to shown in Fig. 1 and Fig. 2, a kind of mould roller of rotating die cutting equipment, comprise roll body 1, described roll body 1 is provided with blade 2, described roll body 1 adopts laser melting and coating process to form the layer structure being followed successively by cladding layer 11, transition zone 12, matrix 13 from outside to inside, described cladding layer 11 forms blade 2, and described transition zone connects blade 2 and matrix 13.
Laser melting and coating process by metal alloy or other types of material at substrate deposit, realize the metallurgical binding of the storeroom between matrix, cladding layer, obtain atresia, microscopic structure that crystal grain is tiny, and good mechanical properties cladding layer.Same laser sintering and moulding, and coating processes such as plasma spraying is compared with HVOF, binding ability and the frictional behaviour of cladding layer are more excellent; With other metallurgical binding technique, as arc surfacing etc. is compared, laser melting coating heat affected area is less, matrix distortion is less.Based on above-mentioned advantage, laser melting coating more easily meets metal parts mechanical property requirements.
And laser melting and coating process is a kind of near-net-shape technology, only needs a small amount of processing after shaping or do not reprocess, namely can be used as mechanical component, therefore greatly can improve the working (machining) efficiency of mould roller.And laser melting coating cost is more and more lower, the effect of controlling cost also can be reached.
Described cladding layer 11 can be alloy tool steel layer or carbide alloy steel layer, and described matrix 13 can be cylindrical steel, and matrix 13 material can be normal carbon steel alloy, and described transition zone 12 is the metallurgical bonding layer of cladding layer 11 and matrix 13.
From rotating die cutting technological angle, be that roll body rigidity, toughness are high to mould roller mechanical property requirements, resistance to deformation and fracture energy strong; Meanwhile, edge strength, hardness are high, wear-resisting and not tipping.By the blade that laser melting and coating process is shaping, roll body forms cladding layer 11, transition zone 12 and matrix 13 from outside to inside successively, and wherein cladding layer 11 is blade.Cutting edge material is alloy tool steel or carbide alloy Steel material, and institutional framework has the deposited metals metallographic feature of fast molten rapid cooling; Matrix material is normal carbon steel alloy, and institutional framework is ordinary metallurgical metallic gold phase character; Transition zone is between sword body and matrix, and material is the metallurgical binding of the bi-material of sword body and matrix, namely in transition zone, both can detect the component composition of sword body material, and the tissue elements composition of matrix material also can have been detected.And material composition is certain graded from sword body to matrix direction, namely more close to the transition region that sword body divides, the component composition of sword body material is higher, and more close to the transition region of body portion, the tissue elements composition of matrix material is higher.Institutional framework has laser cladding layer transition region metallic gold phase character.This kind of structure, make the blade of roll body have the high strength of alloy tool steel or hard alloy steel, high rigidity and wear-resisting feature, matrix then has the high rigidity of carbon structural steel, the feature of high tenacity; Transition region gradient-structure makes roll body present outside high strength, high rigidity on the whole, the mechanical characteristic of inner high rigidity, high tenacity, makes it can meet the requirement of die-cutting device mould roller completely, is conducive to the mould roller obtaining high accuracy and high accuracy retentivity.And laser melting and coating process can realize the metallurgical binding of different mechanical properties storeroom.If select suitable cladding cutter material and matrix, controlled by the melting and coating process of maturation, just can directly manufacture forming mould roller blade, and reach high strength, the high rigidity when keeping core toughness with outside simultaneously.
The diameter of described mould roller 100 is Φ 200mm ~ Φ 500mm; Described mould roller 100 also comprises the rotating shaft 3 for transmission and location, and described rotating shaft 3 is positioned at the two ends of roll body 1;
Described rotating shaft 3 is divided into left half axle 31 and right axle shaft 32, left half axle 31 and right axle shaft 32 respectively with the two ends interference fit of roll body 1.In addition, rotating shaft 3 can also be one-body molded with roll body 1 or be connected by key.
Described mould roller 100 also comprises the protection ring 4 for the protection of blade 2, and described protection ring 4 is positioned at roll body 1 periphery both sides, and protection ring 4 external diameter is greater than the ultimate range of blade 2 to roll body 1 axle center.
Laser melting and coating process is applicable to the mould roller of various sizes, the particularly mould roller of Φ 200mm ~ Φ 500mm diameter range, reason be milling moulding process adopt overall milling, heat treatment cutting edge moulding technology, for the mould roller that size is relatively large, there is the problem that percent defective is high, manufacturing cost is high, be not suitable for the mould roller of more than manufacturing dimension Φ 200mm; And the cutter-edge formation of the insert that the independence that insert moulding process adopts manufactures, gapless assembling, there is insert manufacture, assembly precision, and precision stability is difficult to ensure the problem of card, is not suitable for the mould roller manufacturing below diameter of phi 500mm.Therefore, laser melting and coating technique can be used for solving in prior art to the problem in the mould roller processing of Φ 200mm ~ Φ 500mm diameter range.
In roll body periphery both sides, increase protection ring, the effect of protection blade can be played, make mould roller safer in transport, storage and installation process.
Further: described blade 2 comprises left knife face 21, right knife face 22 and point of a knife 23.
Refer to shown in Fig. 3, the forming method of above-mentioned rotating die cutting equipment mould roller blade be first roll body 1 matrix 13 on pass through laser melting and coating process, fusing laser cladding powder 53, form cladding layer 11 and transition zone 12 successively from outside to inside, described cladding layer 11 forms blade 2, and described transition zone connects blade 2 and matrix 13.
Described laser melting and coating process comprises the steps:
Step 1: according to blade 2 structure, offline mode writes numerical control program;
Step 2: mould roller 100 is installed by clamping and positioning workpieces 6 and navigates on laser melting coating numerical control device;
Step 3: controlled by described numerical control program, makes described laser melting coating numerical control device complete blade cladding forming process;
Step 4: the mould roller 100 after shaping is heat-treated;
Step 5: the shaping situation of inspection blade 2, waits for and enters follow-up mould roller procedure.
Described matrix is normal carbon steel alloy, and base shape is cylindrical, and external cylindrical surface carries out roughing, fine finishining, and described machining accuracy is not less than IT7.Roughing, fine finishining are carried out to matrix external cylindrical surface, can make can obtain higher precision during laser melting coating, and be conducive to the conjugation promoting cladding layer and matrix.
Described laser cladding powder is alloy tool steel or hard alloy steel material powder, and alloy powder particle average-size is 75 μm ~ 160 μm.
Concrete embodiment is:
Select alloy tool steel W6Mo5Cr4V2 to be laser cladding powder powder material, wherein the chemical composition (percentage by weight) of alloying element be C0.80 ~ 0.90, Si0.20 ~ 0.45, Mn0.15 ~ 0.40, P≤0.03, S≤0.03, Cr3.80 ~ 4.40, Mo4.50 ~ 5.50, V1.75 ~ 2.20, W5.50 ~ 6.75, Cu≤0.25Ni≤0.3.Powder particle average-size is 110 ± 30 μm.
Selection 40Cr is matrix material, the cylindrical steel of blank, the technological design mainly roughing of external cylindrical surface, fine finishining.And ensure that its dimensional accuracy, positional precision and surface roughness are by IT6 requirement.
According to pre-designed edge structure, offline mode writes numerical control program.Motion control object selects four axle NC cladding equipment, and main melting and coating process parameter may be selected to be laser power 800 ~ 3500W, sweep speed is 3 ~ 12mm/S, powder sending quantity is 6 ~ 20g/min.
Refer to shown in Fig. 4 and Fig. 5, laser coating and powder feeding way selection: adopt synchronous powder feeding system mode, powder feeding gas 52 and protective gas 51 are inert gas.Be specially, in laser beam continuous firing process, the laser cladding powder 53 of powder type, is transported to molten bath by continuous print, and laser work head 5 laser focusing bundle, in needs cladding position, melts laser cladding powder 53.According to the integrated situation of powderject head 6 and laser work head 5, synchronous powder feeding system mode can also be subdivided into coaxial powder-feeding mode and side direction automatic powder feeding system.Coaxial powder-feeding mode and powderject head 6 and laser work head 5 integrated, powder feeding gas 52 and laser cladding powder 53 spray from laser work head 5; Separately, wherein with laser work head 5 center, powderject head 6 can either direction within the scope of its 360 degree, and powder feeding gas 52 and laser cladding powder 53 spray from powderject head 6 for side direction automatic powder feeding system and powderject head 6 and laser work head 5.
Speed is fast, the measured advantage of matter to adopt the mode of synchronous powder feeding system to have, and the chemical composition of part and structure property can regulate and control more easily, can process the comparatively meticulous part of appearance and size simultaneously.Coaxial powder-feeding can overcome because of laser beam and powder input asymmetric and bring to scanning direction restriction shortcoming, thus can be implemented in any direction and generate uniform cladding layer, be more suitable for 3D cladding; The outlet of the powder of side direction powder feeding and the outlet of light apart from each other, the controllability of powder and light is better, there will not be the phenomenon of blocking light-emitting window because powder melts too early.
Laser melting coating feeding mode is selected: adopt one or more in Four types such as " single track track shaping, multiple tracks track overlap joint, multilayer tracks stacked, the docking of closed curve track ".Selecting of particular type, determines according to wide, the high size in the design section of blade.If cross-sectional width and height dimension are all less than laser melting coating single track track width and height, can adopt " single track track moulding process "; If cross-sectional width is greater than laser melting coating single track track width, adopts " multiple tracks track lap joint process ", multiple tracks track transverse lap is become the corresponding cladding layer of cross-sectional width; If depth of section is greater than laser melting coating single track trajectory height, adopt " multilayer track lamination process ", single track track layer or multiple tracks track are overlapped to form cladding layer, and being layering to increase obtains depth of section; If blade is closed curve, then need to dock cladding track, i.e. " closed curve track butt-joint process ".
Debug cladding equipment moving part, laser melting coating part etc. respectively afterwards, ensure that its precision is accurate, control effectively.
Carry out numerical control program debugging afterwards.With scroll chuck 61 and top 62, roll body is installed to equipment, and accurately locates.Close all cladding functional units such as LASER Light Source and powder feed system, only keep motion control function unit, and completely cover numerical control program.
Blade laser cladding forming.Open cladding functional unit, by NC programme-control, complete forming process.In cladding process, note observing cladding track change.
The local destressing tempering of cladding position, parameter be 250 DEG C insulation 3 hours after air cooling.
After inspection, proceed to the knife face fine finishining of blade, and postorder institutional framework, mechanics properties testing program.
Adopt above-mentioned laser melting and coating process, achieve: 1, the metallurgical binding of different materials, dilution rate is little, maintains the hardness of sword body material, wearability, and the toughness of matrix material, and both associativities are good; 2, realize sword body section shape near-net-shape, reduce postorder Precision Machining amount; 3, cladding track can realize digital control, easily realizes pre-designed any complicated edge curve.
Although the foregoing describe detailed description of the invention of the present utility model; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present utility model; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present utility model and change, should be encompassed in scope that claim of the present utility model protects.
Claims (2)
1. a mould roller for rotating die cutting equipment, comprise roll body and the rotating shaft for transmission and location, described roll body is provided with blade, and described rotating shaft is positioned at the two ends of roll body; It is characterized in that: described roll body adopts laser melting and coating process to form the layer structure being followed successively by cladding layer, transition zone, matrix from outside to inside, and described cladding layer forms blade, and described transition zone connects blade and matrix; The diameter of described mould roller is Φ 200mm ~ Φ 500mm; Described mould roller also comprises the protection ring for the protection of blade, and described protection ring is positioned at roll body periphery both sides, and protection ring external diameter is greater than the ultimate range of blade to roll body axle center.
2. the mould roller of a kind of rotating die cutting equipment according to claim 1, it is characterized in that: described cladding layer is alloy tool steel layer or carbide alloy steel layer, described matrix is cylindrical steel, and matrix material is normal carbon steel alloy, and described transition zone is the metallurgical bonding layer of cladding layer and matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098420.8U CN204604457U (en) | 2015-02-11 | 2015-02-11 | A kind of mould roller of rotating die cutting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098420.8U CN204604457U (en) | 2015-02-11 | 2015-02-11 | A kind of mould roller of rotating die cutting equipment |
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| CN204604457U true CN204604457U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520098420.8U Expired - Fee Related CN204604457U (en) | 2015-02-11 | 2015-02-11 | A kind of mould roller of rotating die cutting equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104647474A (en) * | 2015-02-11 | 2015-05-27 | 福建工程学院 | Die roller for rotary die-cutting equipment and forming method for blade of die roller |
| CN114453504A (en) * | 2022-04-13 | 2022-05-10 | 保定市精工汽车模具技术有限公司 | Preparation method of cutting edge of stamping die |
-
2015
- 2015-02-11 CN CN201520098420.8U patent/CN204604457U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104647474A (en) * | 2015-02-11 | 2015-05-27 | 福建工程学院 | Die roller for rotary die-cutting equipment and forming method for blade of die roller |
| CN114453504A (en) * | 2022-04-13 | 2022-05-10 | 保定市精工汽车模具技术有限公司 | Preparation method of cutting edge of stamping die |
| CN114453504B (en) * | 2022-04-13 | 2022-07-12 | 保定市精工汽车模具技术有限公司 | Preparation method of cutting edge of stamping die |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20190211 |