A kind of diel of vapour mark screw mold and its processing methodTechnical field
The invention belongs to auto parts and components processing technique field, more specifically, it relates to a kind of vapour mark screw moldDiel and its processing method.
Background technology
Interior hexagonal flower-shape screw is the one kind for the special pearl for belonging to soket head cap screw, that is, interior hexagonal plum head grooved screw.ByIt needs to use specific screwdriver when interior hexagonal flower-shape screw is in installation or dismounting（That is bottle opener）Its dismounting could be completed, becauseThis it can be used as the use of vapour mark screw, and it is very securely and durable.
It needs to be molded using the punching press of screw grinding tool, and there are many pattern and type of current existing screw mold, exampleIf the Chinese practicability patent application of notification number CN2794709Y discloses a kind of composite slot screw mould, can punching press support be suitble toThe composite slot screw mould for the screw that multiple types of tools uses.
For another example notification number discloses a kind of pentagonal screw mould for the Chinese practicability patent application of CN2794710Y, includingOne ontology, ontology end face set a groove, and a punch is convexly equipped in the groove, which is five corner piece shapes.The pentagonal screw mouldUsing the pentagon punch punching press screw head in its body recess, the hole slot corresponding to five corner piece shape punches, the hole slot are formedIt stretches and sets and sealed for bottle opener, screw is made to be easy to carry out sealed or dismounting.
Thus above-mentioned screw mold also needs the diel using the screw mold when making, due in the screw moldThere are punch, which is located in groove and protrusion is on the bottom surface of groove, therefore is needed when processing above-mentioned dielThere are the punch molding difficulty and precision of certain technical difficulty, and screw mold to be consequently increased, it is therefore desirable to propose a kind ofNew technical solution solves the above problems.
Invention content
In view of the deficienciess of the prior art, the purpose of the present invention one is to provide a kind of stamping die of vapour mark screw moldTool, efficiently solves some existing technical difficulty when processing above-mentioned diel, while further improving vapour mark spiral shellThe quality and efficiency of the processing of silk mold.
To achieve the above object one, the present invention provides following technical solutions：A kind of diel of vapour mark screw mold,Including diel ontology, one end convex of the diel ontology is equipped with a boss, the upper end center sections of the bossPosition offers downwards through-hole, is equipped with shaft core in the through-hole, is interference fitted between the shaft core and the inner wall of the through-hole, describedThe lower face of shaft core is flushed with the lower face of the diel ontology, and end face is located in the boss thereon, and the shaft coreHeight be less than through-hole depth.
By using above-mentioned technical proposal, a through-hole, and the interference in above-mentioned through-hole are opened up at the center of dielWith unification shaft core, regulate and control the height of the punch of screw grinding tool by the relative altitude between shaft core and through-hole at this time, thusNeed evagination that punch is set in effective solution screw mold obtained, and the punch needs to be located in groove and protrusion is recessedTechnical difficulty on the bottom surface of slot, to improve vapour mark screw mold processing quality and efficiency.
The present invention is further arranged to：Diel ontology evagination at the ring edge close to the boss is formed with oneThe flange of annular.
By using above-mentioned technical proposal, due to the presence of the annular flange, screw mold obtained and above-mentioned punching at this timeClass there are one capable of being integrally formed on the side that compression mould ontology is bonded to each other, and it is simple and easy to make, it is very useful.
The present invention is further arranged to：The upper surface of the boss is arranged diagonally downward from side to center position.
By using above-mentioned technical proposal, the upper surface of boss is arranged diagonally downward from side to center position, thusThe angle with reversed dip can be formed at the punch of screw mold obtained so that vapour mark screw head formed withThe matched groove of Speical screwdriver thereby facilitates screwdriver and opens and closes above-mentioned vapour mark screw, improves efficiency.
The present invention is further arranged to：The circumferential side wall of the boss is from upper surface to close to one end of the flange in itDiameter gradually increases, and section is in up-small and down-big arc-shaped.
By using above-mentioned technical proposal, the circumferential side wall of boss is made to up-small and down-big arc-shaped, the circle of the bossAll side walls are consistent with the outer wall of vapour mark screw, and can be arc in the upper end surface Formation cross-section of screw mold in punching pressGroove.At the same time, on the one hand the boss of up-small and down-big arc-shaped can facilitate punching press, reduce the molding difficulty of groove,When the groove inner wall of another aspect screw mold is by punching press, because the influence of projection shape can squeeze the inner wall of groove, toThe mechanical strength for improving groove inner wall uses above-mentioned screw mold punch process vapour mark screw, very to be conducive to the later stageConvenience and efficiently.
The present invention is further arranged to：Layer protective layer, the protective layer are coated on the outside of the diel ontologyFor titanium alloy layer and/or high strength cast aluminum alloys layer.
By using above-mentioned technical proposal, titanium alloy is the alloy that other elements composition is added based on titanium elements.ItWith excellent performances such as corrosion resistance, heat resistance, lower temperature resistance, resistances.And high strength cast aluminum alloys are a kind of availableBear cast aluminium alloy gold compared with the Aeronautics and Astronautics of big load and other mechanical components in manufacture, it have high intensity, plasticity andToughness and the strong advantage of room temperature tensile.Thus it uses above two alloy as protective layer, above-mentioned die ontology can be improvedMechanical strength helps to extend its service life.
The present invention is further arranged to：The inner wall of the through-hole is equipped with several chamferings.
By using above-mentioned technical proposal, it is equipped with chamfering on the inner walls of the via, is rushed at this time using above-mentioned bossWhen pressure, the probability that boss deforms upon is effectively reduced, the service life of above-mentioned diel is improved.
In view of the deficienciess of the prior art, the purpose of the present invention two is to provide a kind of stamping die of vapour mark screw moldThe processing method of tool, it is easy to operate and higher using the quality of die bolt made from above-mentioned diel.
To achieve the above object two, the present invention provides following technical solutions：A kind of diel of vapour mark screw moldProcessing method, including following operating procedure,
Step S1, blanking is cut：Metal bar is cut into segment after surface derusting and clean processing on sawing machine, obtains rulerThe very little column coarse fodder for being 23 × 30mm；
Step S2, cylindrical grinding：The column coarse fodder obtained in step S1 is subjected to cylindrical grinding processing through grinding machine；
Step S3, it is heat-treated：Cylindrical grinding treated column material is subjected to quenching treatment, hardening heat is controlled at 62-63 DEG C；
Step S4, slow wire feeding：Column material after heat treatment is subjected to the processing of inscribe hole on numerical control machine tool, in column materialThe through-hole of interior hexagonal flower-shape is obtained on center；
Step S5, bistrique type：It one of will complete in slow wire feeding treated column material end face and carry out bistrique type through milling machineProcessing, successively cutting obtain boss and flange；
Step S6, it polishes：The outer surface for the column material that step S5 is obtained is processed by shot blasting；
Step S7, molding is integrated：Column shaft core is incorporated into through lathe percussion in the through-hole, finished product diel is obtained.
By using above-mentioned technical proposal, metal bar is cut into segment through sawing machine, thus outer circle of then polishing again carriesHigh whole flatness；Then it is heat-treated, above-mentioned column material is heated by the way of quenching, to greatly improve column materialRigidity, hardness, wearability, fatigue strength and the toughness on surface etc..Then use slow wire feeding in the centre of column material againLocate the through-hole of cut place one, is carried out at the same time the processing of bistrique type, cuts to obtain boss and flange in the side of column material, at this time substantiallyShape had determined, then need to only carry out surface polishing treatment, while being incorporated into above-mentioned through-hole by shaft core percussion,Finished product diel is can be obtained, it is very convenient, and efficiency and quality are higher.
The present invention is further arranged to：In step s 5, machining is carried out at twice, cuts arcuation is made for the first timeFlange is made in boss, second of cutting.
By using above-mentioned technical proposal, cutting at twice may make for the first time during machining boss, ifThere is out-of-flatness in boss lower end and the close side of flange, above-mentioned error can also be eliminated by second of cutting, thus intoOne step strengthens its cutting efficiency and quality.
In view of the deficienciess of the prior art, the purpose of the present invention three is to provide a kind of stamping die of vapour mark screw moldThe processing method of tool, it is easy to operate and higher using the quality of die bolt made from above-mentioned diel.
To achieve the above object three, the present invention provides following technical solutions：A kind of diel of vapour mark screw moldProcessing method, including following operating procedure,
Step S1, cylindrical grinding：Metal bar is subjected to grinding process after surface derusting and clean processing on grinding machine；
Step S2, it is heat-treated：Cylindrical grinding treated column material is subjected to quenching treatment, hardening heat is controlled at 62-63 DEG C；
Step S3, blanking is cut：The column material obtained in step S2 is cut into segment on sawing machine, obtain size be 23 ×The material of 30mm；
Step S4, slow wire feeding：Material after heat treatment is subjected to the processing of inscribe hole on numerical control machine tool, in column materialThe through-hole of interior hexagonal flower-shape is obtained on heart position；
Step S5, bistrique type：It one of will complete in slow wire feeding treated column material end face and carry out bistrique type through milling machineProcessing, successively cutting obtain boss and flange；
Step S6, it polishes：The outer surface for the column material that step S5 is obtained is processed by shot blasting；
Step S7, molding is integrated：Column shaft core is incorporated into through lathe percussion in the through-hole, finished product diel is obtained.
By using above-mentioned technical proposal, polishing outer circle processing will be carried out after metal bar surface derusting and clean processing,Which thereby enhance whole flatness；Then it is heat-treated, above-mentioned column material is heated by the way of quenching, to greatly improveRigidity, hardness, wearability, fatigue strength and the toughness etc. on column material surface.It then carries out cutting into segment, then use againSlow wire feeding through-hole of cut place one at the centre of column material is carried out at the same time the processing of bistrique type, in a lateral incision of column materialIt cuts to obtain boss and flange, rough shape has had determined at this time, then need to only carry out surface polishing treatment, while inciting somebody to actionShaft core percussion is incorporated into above-mentioned through-hole, you can finished product diel is obtained, it is very convenient, and efficiency and quality are higher.SeparatelyOutside, it is heat-treated first, not only processing technology is simple, and thermal effectiveness is good；And the efficiency of processing can also be further increased,It is particularly useful.
In conclusion the invention has the advantages that：
1, the present invention efficiently solves some existing technical difficulty when processing above-mentioned diel, also further improves simultaneouslyThe quality and efficiency of vapour mark screw mold processing；
2, by the annular flange of setting, on the side that thus obtained screw mold is bonded to each other with above-mentioned diel ontologyClass there are one capable of being integrally formed, and it is simple and easy to make, it is very useful；
3, by the way that chamfering is arranged, thus when carrying out punching press using above-mentioned boss, the probability that boss deforms upon is effectively reduced,Improve the service life of above-mentioned diel.
Description of the drawings
Fig. 1 is the stereogram of the present embodiment；
Fig. 2 is the partial structural diagram of the present embodiment；
Fig. 3 is the usage state diagram under the punching press state of the present embodiment, is mainly used for embodying diel ontology and vapour mark moldBetween ontology in use, relative position relation between the two；
Fig. 4 is the enlarged drawing of A in Fig. 3.
Description of the drawings：1, diel ontology；2, boss；3, through-hole；4, shaft core；5, flange；6, protective layer；7, chamfering；8, screw mold；9, groove；10, punch；11, class.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following descriptionLanguage "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment 1：A kind of diel of vapour mark screw mold, as shown in Figure 1, including diel ontology 1, stamping dieOne end convex of tool ontology 1 is set there are one boss 2, and the upper end center position of the boss 2 opens up downwards that there are one quincuncialThrough-hole 3.In conjunction with shown in Fig. 2, be plugged with a columned shaft core 4 in the through-hole 3, wherein the inner wall of shaft core 4 and through-hole 3 itBetween be interference fitted, flushed with the lower face of diel ontology 1 in the lower face of shaft core 4, end face is located in boss 2 thereon, andThe height of shaft core 4 is less than the depth of through-hole 3.In conjunction with shown in Fig. 4, thus needed in effective solution screw mold 8 obtainedPunch 10 is arranged in evagination, and the punch 10 needs to be located in groove 9 and protrude the technical difficulty on the bottom surface of groove 9, fromAnd improve the quality and efficiency of the processing of above-mentioned screw mold 8.
In order to further decrease work difficulty, as shown in Figure 1, outside diel ontology 1 is at the ring edge close to boss 2The flange 5 for convexing into an annular, in conjunction with shown in Fig. 4, thus obtained screw mold 8 is mutual with above-mentioned diel ontology 1Class 11 there are one capable of being integrally formed on the side of fitting, and it is simple and easy to make, it is very useful.
Open and close above-mentioned vapour mark screw in order to facilitate screwdriver, as shown in Figure 3 and Figure 4, the upper surface of boss 2 from side toCenter position is arranged diagonally downward.The angle with reversed dip can be formed at the punch 10 of thus obtained screw mold 8,So that the head of vapour mark screw is formed and the matched groove 9 of Speical screwdriver, it is above-mentioned to thereby facilitate screwdriver foldingVapour mark screw, improves efficiency.
In order to improve the mechanical strength of 9 inner wall of groove, as shown in Figure 3 and Figure 4, boss 2 circumferential side wall from upper surfaceGradually increase to its internal diameter of one end close to above-mentioned flange 5, section is in up-small and down-big arc-shaped.The circle of the boss 2 at this timeAll side walls are consistent with the outer wall of vapour mark screw, and can be arc in the upper end surface Formation cross-section of screw mold 8 in punching pressGroove 9.At the same time, 2 one side of boss of up-small and down-big arc-shaped can facilitate punching press, and it is molding to reduce groove 9Difficulty, when 9 inner wall of groove of another aspect screw mold 8 is by punching press, because the influence of 2 shape of boss can squeeze groove 9Inner wall uses 8 punch process vapour of above-mentioned screw mold to improve the mechanical strength of 9 inner wall of groove to be conducive to the later stageScrew is marked, it is very convenient and efficient.
In order to further increase the mechanical strength of 9 inner wall of groove, as shown in Fig. 2, being coated in the outside of diel ontology 1There is layer protective layer 6, which is titanium alloy layer and high strength cast aluminum alloys layer.Titanium alloy is based on titanium elementsThe alloy of other elements composition is added.It has the excellent performances such as corrosion resistance, heat resistance, lower temperature resistance, resistance.And it is highIntensity cast aluminium alloy gold be it is a kind of can be used for manufacture bear compared with the casting aluminium of the Aeronautics and Astronautics of big load and other mechanical components closeGold, it has the advantages that high intensity, plasticity and toughness and room temperature tensile are strong.Thus use above two alloy as protectionLayer 6, can be improved the mechanical strength of above-mentioned die ontology, helps to extend its service life.
In order to further increase the service life of above-mentioned diel, as shown in Figure 1, being offered on the inner wall of through-hole 312 chamferings 7.Thus when carrying out punching press using above-mentioned boss 2, the probability that boss 2 deforms upon is effectively reduced, is improvedThe service life of above-mentioned diel.
Embodiment 2：A kind of diel of vapour mark screw mold, difference from example 1 is that：As shown in Figure 1,It is coated with layer protective layer 6 in the outside of diel ontology 1, which is high strength cast aluminum alloys layer.Wherein, highIntensity cast aluminium alloy gold be it is a kind of can be used for manufacture bear compared with the casting aluminium of the Aeronautics and Astronautics of big load and other mechanical components closeGold, it has the advantages that high intensity, plasticity and toughness and room temperature tensile are strong.Thus the machinery for improving above-mentioned die ontology is strongDegree, helps to extend its service life.
Embodiment 3：A kind of diel of vapour mark screw mold, difference from example 1 is that：As shown in Figure 1,It is coated with layer protective layer 6 in the outside of diel ontology 1, which is titanium alloy layer.Wherein, titanium alloy is with titaniumThe alloy of other elements composition is added based on element.It has corrosion resistance, heat resistance, lower temperature resistance, resistance etc. excellentPerformance.Thus the mechanical strength for improving above-mentioned die ontology helps to extend its service life.
Embodiment 4：A kind of processing method of the diel of vapour mark screw mold, including following operating procedure：
Step S1, blanking is cut：Metal bar is cut into segment after surface derusting and clean processing on sawing machine, obtains rulerVery little is 23 × 30mm（I.e. a diameter of 23mm is highly 30mm）Column coarse fodder；
Step S2, cylindrical grinding：The column coarse fodder obtained in step S1 is subjected to cylindrical grinding processing through grinding machine；
Step S3, it is heat-treated：Cylindrical grinding treated column material is subjected to quenching treatment, hardening heat is controlled at 62-63 DEG C；
Step S4, slow wire feeding：Column material after heat treatment is subjected to the processing of inscribe hole on numerical control machine tool, in column materialThe through-hole 3 of interior hexagonal flower-shape is obtained on center；
Step S5, bistrique type：It one of will complete in slow wire feeding treated column material end face and carry out bistrique type through milling machineProcessing, successively cutting obtain boss 2 and flange 5；
Step S6, it polishes：The outer surface for the column material that step S5 is obtained is processed by shot blasting；
Step S7, molding is integrated：Column shaft core 4 is incorporated into through lathe percussion in the through-hole 3, finished product diel is obtained.
Embodiment 5：A kind of processing method of the diel of vapour mark screw mold 8, exists with the difference of embodiment 4In：In step s 5, machining is carried out at twice, cuts the boss 2 that arcuation is made for the first time, and boss is made in second of cutting2.Thus during cutting may make first time machining boss at twice, if in 2 lower end of boss and the close side of flange 5Still there is out-of-flatness, above-mentioned error can also be eliminated by second cutting, to further enhance its cutting efficiency andQuality.
Embodiment 6：A kind of processing method of the diel of vapour mark screw mold, including following operating procedure：
Step S1, cylindrical grinding：Metal bar is subjected to grinding process after surface derusting and clean processing on grinding machine；
Step S2, it is heat-treated：Cylindrical grinding treated column material is subjected to quenching treatment, hardening heat is controlled at 62-63 DEG C；
Step S3, blanking is cut：The column material obtained in step S2 is cut into segment on sawing machine, obtain size be 23 ×The material of 30mm；
Step S4, slow wire feeding：Material after heat treatment is subjected to the processing of inscribe hole on numerical control machine tool, in column materialThe through-hole 3 of interior hexagonal flower-shape is obtained on heart position；
Step S5, bistrique type：It one of will complete in slow wire feeding treated column material end face and carry out bistrique type through milling machineProcessing, successively cutting obtain boss 2 and flange 5；
Step S6, it polishes：The outer surface for the column material that step S5 is obtained is processed by shot blasting；
Step S7, molding is integrated：Column shaft core 4 is incorporated into through lathe percussion in the through-hole 3, finished product diel is obtained.
Specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the artThe modification that not creative contribution can be made to the present embodiment as needed after reading this specification, but as long as in this hairIt is all protected by Patent Law in bright right.