CN104022423A - Novel crimping pliers - Google Patents
Novel crimping pliers Download PDFInfo
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- CN104022423A CN104022423A CN201410187448.9A CN201410187448A CN104022423A CN 104022423 A CN104022423 A CN 104022423A CN 201410187448 A CN201410187448 A CN 201410187448A CN 104022423 A CN104022423 A CN 104022423A
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- die holder
- line ball
- ball mouth
- handle
- quiet die
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- 238000002788 crimping Methods 0.000 title claims abstract description 37
- 229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 53
- 230000003068 static effect Effects 0.000 claims abstract description 53
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 239000013078 crystal Substances 0.000 claims description 49
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 15
- 229910052759 nickel Inorganic materials 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000008187 granular material Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 238000005245 sintering Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 238000013467 fragmentation Methods 0.000 claims description 5
- 238000006062 fragmentation reaction Methods 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 238000005496 tempering Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 24
- 239000010949 copper Substances 0.000 description 20
- 239000011572 manganese Substances 0.000 description 16
- 239000011651 chromium Substances 0.000 description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052698 phosphorus Inorganic materials 0.000 description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 239000011574 phosphorus Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 6
- 239000005864 Sulphur Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000011733 molybdenum Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 102200082816 rs34868397 Human genes 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 239000000956 alloy Substances 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- LKIUTDSMFUMDHS-UHFFFAOYSA-N calcium oxygen(2-) silicon(4+) Chemical group [Si+4].[O-2].[Ca+2].[O-2].[O-2] LKIUTDSMFUMDHS-UHFFFAOYSA-N 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000266 injurious effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention belongs to the technical field of conductive connection, and relates to novel crimping pliers. The novel crimping pliers comprise a static handle and a moving handle, wherein the static handle is provided with a static die holder which is provided with crimping ports, and the moving handle is provided with a moving pressure head. The static die holder is provided with first, second and third crimping ports, the static handle is provided with a positioning plate, and a positioning groove is formed in the positioning plate. The moving handle is hinged to a limiting plate, one end of the limiting plate is provided with a boss, and the other end of the limiting plate is provided with an extension spring. When the moving pressure head compresses an RJ45 plug to the static die holder, the limiting plate is tightened via the extension spring, and the boss is chuck to the positioning groove. The static die holder is made of alloy steel, and the alloy steel comprises 0.40 to 0.45% by weight of C, 0.40 to 0.60% by weight of Si, 0.80 to 1.10% by weight of Mn, 0.05 to 0.20% by weight of Cr, 0.05 to 0.20% by weight of Cu, 0.02 to 0.20% by weight of Ni, and 0.10 to 0.20% by weight of Mo with the balance being Fe and unavoidable impurity elements. The novel crimping pliers of the invention have a relatively high mechanical performance and are relatively long in service life.
Description
Technical field
The invention belongs to conduction interconnection technique field, relate to a kind of Novel crimping pliers.
Background technology
Crimping Pliers claims again over-lapping stitch pincers, is for suppressing a kind of instrument of crystal head, and common telephone line joint and Network Cable Connector all form with Crimping Pliers compacting.Existing crystal head probably has 3 kinds: crystal head 4P is generally used on the helix of telephone receiver and telephone set; Crystal head 6P is generally used on special line interface; Crystal head 8P is generally used on computer network cable interface.
Chinese patent CN202586056U has announced a kind of dual-purpose Crimping Pliers, comprise a static handle and a fixed handle, be located at the handle case of handle outside, two binding clips that connect by pin, two binding clips are fixedly connected with by slide plate with static handle with fixed handle respectively, on fixed handle, be provided with spring base and limiting tooth, between spring base and limiting tooth, by an extension spring, connect, on binding clip, be vertically arranged with the pressuring line groove of two different sizes, be respectively netting twine pressuring line groove and telephone line pressing groove, on slide plate, be provided with blade, blade is fixed by screws on slide plate, knife-edge is relative, blade position is provided with back-up ring.
Above-mentioned Crimping Pliers can only be used on two kinds of crystal heads, can not meet the processing of conventional crystal head on market, thereby function is comprehensive not enough, and another aspect does not limit the thrust of crystal head, easily damages crystal head by pressure.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed a kind of multiple functional, Novel crimping pliers that crudy is good.
Object of the present invention can realize by following technical proposal: a kind of Novel crimping pliers, comprise static handle and the fixed handle that is hinged on static handle one end, on described static handle, be provided with quiet die holder, on described quiet die holder, offer line ball mouth, on described fixed handle, dynamic head is installed, it is characterized in that, on described quiet die holder, be provided with for compressing the first line ball mouth of 8P crystal head, for compressing the second line ball mouth of 6P crystal head and for compressing the 3rd line ball mouth of 4P crystal head, described the second line ball mouth and the 3rd line ball mouth divide and are located at the both sides of quiet die holder and are centered close to same plane, the second line ball mouth and the 3rd line ball mouth are separated by fixed head, the median plane of described the first line ball mouth is parallel with the median plane of the second line ball mouth and the 3rd line ball mouth, on described static handle, location-plate is set, on described location-plate, offer some location notchs, on described fixed handle, be hinged with limiting plate, described limiting plate one end is provided with boss, the other end is provided with extension spring, when dynamic head is pressed to quiet die holder by crystal head, extension spring tension limiting plate and boss are secured on location notch, described quiet die holder is steel alloy, described steel alloy is grouped into by the one-tenth of following percentage by weight: C:0.40-0.45%, Si:0.40-0.60%, Mn:0.80-1.10%, Cr:0.05-0.20%, Cu:0.05-0.20%, Ni:0.02-0.20%, Mo:0.10-0.20%, surplus is Fe and inevitable impurity element.
Quiet die holder in Novel crimping pliers of the present invention adopts steel alloy to make, described steel alloy has improved the content of essential element Si element and Mn element on the basis of S45C, and increased Mo element, do not affecting under the condition of the selected steel alloy performance of quiet die holder, the content of Ni, Cu is being controlled in low scope as far as possible.The quiet die holder making with described steel alloy has good mechanical performance, especially yield strength, tensile strength, intensity and impact toughness, thereby reach the quiet die holder of the prolongation object in useful life, and then reach the prolongation Novel crimping pliers object in useful life, and energy savings.
Wherein, in quiet die holder steel alloy used, carbon content should be at least 0.40%, so that described steel alloy obtains satisfied hardness and intensity.Carbon content should not surpass 0.50%, preferably must not surpass 0.45%.When carbon content increases, alloy yield of steel and tensile strength raise, but plasticity and impact reduction, when carbon content is too high, the corrosion resistance variation of steel alloy.
Silicon in steel alloy is in solid solution condition, but also can exist with silicon-calcium oxide form, silicon can significantly improve the elastic limit of steel alloy, yield point and tensile strength, known by test of many times, in steel alloy of the present invention, add the silicon of 0.40-0.60%, silicon can with the combinations such as molybdenum, chromium, be improved steel alloy hardness, corrosion resistance and oxidation resistant effect, and improve the thermal endurance of steel alloy.
Appropriate manganese can improve the processing characteristics of steel alloy, makes it have enough toughness, and can improve tensile strength, hardness and the quenching property of steel alloy.Excessive manganese can weaken the resistance to corrosion of steel alloy on the contrary, and therefore described steel alloy is controlled at 0.80-1.10% by Mn content, makes the quiet die holder that steel alloy makes have good tensile strength, hardness and corrosion resistance.
Appropriate chromium can significantly improve intensity, the hardness of the quiet die holder steel alloy of the present invention, can guarantee again plasticity and the toughness of this steel alloy, and improves resistance to wear, non-oxidizability and the corrosion resistance of steel alloy.
Add appropriate nickel to the intensity that can improve steel alloy in the steel alloy of the quiet die holder of the present invention, can keep again good plasticity and toughness.But nickel is more rare resource, and price is higher, so the present invention is controlled at 0.02-0.20% by the nickel content in steel alloy, make steel alloy intensity, plasticity, toughness, corrosion resistance, antirust, temperature capacity is all better.
In the steel alloy of the quiet die holder of the present invention, also contain copper, copper can improve intensity and the toughness of steel alloy, hot-short but excessive copper can make steel alloy easily produce, so the copper content control in steel alloy of the present invention is at 0.05-0.20%.
In the steel alloy of the quiet die holder of the present invention, also add the molybdenum of 0.10-0.20%, can make the grain refinement of steel alloy, improved mechanical performance, especially quenching degree, fragility, intensity and the creep resisting ability of steel alloy.
Wherein, the mass percent that in described impurity, the mass percent of S element is less than or equal to 0.02%, P element is less than or equal to 0.025%.
Generally, phosphorus is harmful element in steel alloy, and the mechanical performance of alloy steel all has special injurious effects, but when phosphorus is from dropping to 0.02%, the plasticity of steel alloy, toughness, resistance to wear all can improve 40%-50%.Therefore, the present invention is strict controlled in the content of phosphorus in steel alloy in 0.025%, thereby reduces the illeffects of phosphorus.
Sulphur is the same with phosphorus, is also generally the harmful element of steel alloy, can make steel alloy produce red brittleness, reduce ductility and the toughness of steel alloy, but when sulfur content is less than 0.02%, its illeffects is just so unobvious, can also improve on the contrary the processing characteristics of steel alloy.
In above-mentioned a kind of Novel crimping pliers, the cross section of described static handle and fixed handle is " U " shape, the opening of described fixed handle and static handle is oppositely arranged, the end of described fixed handle is inserted in static handle and is hinged to the end of static handle, on described static handle, have the first breach, the second breach and the 3rd breach, described the first breach is near one end hinged on static handle and corresponding with the first line ball mouth, described the second breach divides and is located at the both sides of static handle and corresponding with the second line ball mouth and the 3rd line ball mouth respectively with the 3rd breach, on the static handle of the first breach right opposite, be provided with baffle plate.
In above-mentioned a kind of Novel crimping pliers, described dynamic head is hinged on fixed handle both sides, on described quiet die holder, pilot hole is all offered in the position of corresponding the first line ball mouth, the second line ball mouth and the 3rd line ball mouth, described dynamic head arrives at line ball mouth through pilot hole, when fixed handle rotates, dynamic head can be around pin joint rotation and along pilot hole rectilinear motion.
Wherein, the processing technology of described quiet die holder comprises the steps:
S1, according to the constituent of above-mentioned quiet die holder and mass percent, take raw material, raw material fragmentation is refined into metal dust, and under hydrogen or vacuum condition, at 750-780 ℃, carry out preannealing processing, after fusion, short grained powder is made to bulky grain or granule;
S2, the bulky grain making in step S1 or a granule powder are rolled into quiet die holder semi-finished product under the pressure of 350MPa-550MPa, and at 920 ℃-1020 ℃ sintering 2-4 hour;
S3, the quiet die holder semi-finished product after sintering in step S2 are heat-treated to normalizing 4-5 hour at 980-1030 ℃, the air cooling of coming out of the stove; The 2-3 hour that quenches at 830-880 ℃, oil cooling is to room temperature; Tempering 2-4 hour at 540-620 ℃, air cooling obtains quiet die holder blank;
S4, by the quiet die holder blank making in step S3 by cutting, punching press, welding, heat treatment, make the quiet die holder in Novel crimping pliers.
The constituent of quiet die holder and mass percent thereof have a certain impact to the mechanical performance of quiet die holder, and its processing technology also has larger impact to the mechanical performance of the quiet die holder of final formation.Quiet die holder of the present invention adopts the forging method of extruding, make original large dendritic crystal and columnar grain become the axle recrystallized structures such as crystal grain is thinner, of uniform size, make compacting and the seam such as the segregation of steel alloy, loose, pore, slag inclusion, its tissue becomes tightr, has improved plasticity and the mechanical property of metal.
In above-mentioned a kind of Novel crimping pliers, the quantity of described location notch has three.
In above-mentioned a kind of Novel crimping pliers, on described location-plate, be provided with draw-in groove, described draw-in groove, between location notch and static handle, also protrudes and is provided with the limiting section that is triangular shape on described limiting plate, and works as limiting section and slide and can make boss depart from location notch and push against draw-in groove along limiting plate.
Compared with prior art, the present invention has following advantage:
1, be provided with three kinds of line ball oral capsules and drawn together several crystal head models of routine on the market, can on a Crimping Pliers, make three kinds of crystal heads.
2, extension spring tension limiting plate, boss is secured to location notch, can see whether crystal head clamps according to the position of boss and put in place during use, uses directly perceived.
3, dynamic head is hinged on fixed handle and can be along pilot hole rectilinear motion, accurate positioning, and guidance quality is good.
4, boss can hold out against draw-in groove, has avoided crystal head clamping excessive, causes crushing.
5, quiet die holder steel alloy used passes through reasonable compatibility, and make quiet die holder by specific processing technology, make it have higher mechanical performance, especially yield strength, tensile strength, intensity and impact toughness, there is longer useful life, and then reach the prolongation Novel crimping pliers object in useful life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the structure for amplifying schematic diagram of location-plate and limiting plate in the present invention.
Fig. 4 is the structure for amplifying schematic diagram of quiet die holder in the present invention.
In figure, 10, static handle; 11, quiet die holder; 111, pilot hole; 12, the 3rd line ball mouth; 121, the 3rd breach; 13, fixed head; 14, baffle plate; 15, location-plate; 16, location notch; 17, draw-in groove; 18, the first line ball mouth; 181, the first breach; 19, the second line ball mouth; 191, the second breach; 20, fixed handle; 21, dynamic head; 22, extension spring; 23, limiting plate; 24, limiting section; 25, boss; 26, blade.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Crystal head is a kind of adapter of plastic, has the type of following several routines on market:
It is a kind of network interface specification that RJ45 is 8, is commonly called as 8P crystal head.
RJ11 interface and RJ45 interface are very similar, but only have 4 stitch in computer system, and RJ11 is mainly used to connect modem modem, is commonly called as 4P crystal head.
RJ12 is also applicable to voice communication conventionally, and structure is the same with first two, but has six roots of sensation stitch (6p6c), also derives two kinds, six groove four pins (6p4c) and six groove two pins (6p2c), is commonly called as 6P crystal head.
As shown in Figures 1 to 4, a kind of Novel crimping pliers the present invention relates to, comprise static handle 10 and the fixed handle 20 that is hinged on static handle 10 one end, on static handle 10, be provided with quiet die holder 11, on quiet die holder 11, offer line ball mouth, dynamic head 21 is installed on fixed handle 20, dynamic head 21 can be pressed to crystal head on quiet die holder 11, at static handle 10, with on fixed handle 20, relative blade 26 is installed, before wire is inserted into crystal head, wire is cut flat whole.
The cross section of static handle 10 and fixed handle 20 is " U " shape, fixed handle 20 is oppositely arranged with the opening of static handle 10, the end of fixed handle 20 is inserted in static handle 10 and is hinged to the end of static handle 10, quiet die holder 11 is arranged on static handle 10 near on hinged one end, the bottom of quiet die holder 11 is arranged in the groove of static handle 10, upper end width is greater than the width of static handle 10, on quiet die holder 11, be provided with for compressing the first line ball mouth 18 of 8P crystal head, for compressing the second line ball mouth 19 of 6P crystal head and for compressing the 3rd line ball mouth 12 of 4P crystal head, being centered close to same plane and minute being located at the both sides of quiet die holder 11 of the second line ball mouth 19 and the 3rd line ball mouth 12, the second line ball mouth 19 and the 3rd line ball mouth 12 are by fixed head 13 intervals, the median plane of the first line ball mouth 18 is parallel with the median plane of the second line ball mouth 19 and the 3rd line ball mouth 12, the first line ball mouth 18 of corresponding quiet die holder 11, the second line ball mouth 19 and the 3rd line ball mouth 12, on static handle 10, have the first breach 181, the second breach 191 and the 3rd breach 121, on the static handle 10 of the opposite side of the first breach 181, be provided with baffle plate 14, the corresponding first line ball mouth 18 in upper end of quiet die holder 11, pilot hole 111 is all offered in the position of the second line ball mouth 19 and the 3rd line ball mouth 12, fixed handle 20 both sides are all hinged with dynamic head 21, dynamic head 21 compresses in line ball mouth through pilot hole 111, when crystal head is inserted into the first line ball mouth 18 or the second line ball mouth 19 or the 3rd line ball mouth 12, dynamic head 21 can be around pin joint rotation and along pilot hole 111 rectilinear motions, the end of dynamic head 21 is pressed to the copper sheet on crystal head on wire.Effectively conventional several crystal head models in matching market of three kinds of line ball mouths are set, easy to use; Dynamic head 21 compresses crystal head along pilot hole 111, accurate positioning, and thrust is good.
As shown in Figure 3 and Figure 4, on static handle 10, away from hinged one end, be provided with location-plate 15, location-plate 15 is arranged in the U-lag of static handle 10 and static handle 10 is protruded in end, it is flat tabular that location-plate 15 is, one side of location-plate 15 offers three continuous location notch 16 and draw-in grooves 17, draw-in groove 17 is between location notch 16 and static handle 10, on fixed handle 20, be hinged with limiting plate 23, there is boss 25 limiting plate 23 one end, the other end is provided with extension spring 22, in boss 25 sides of limiting plate 23, be also provided with the limiting section 24 of triangular shape, when dynamic head 21 is pressed to quiet die holder 11 by crystal head, limiting section 24 slides into the crystal ram position of a certain shelves along location notch 16, extension spring 22 tension limiting plates 23 and boss 25 are secured on location notch 16, when boss 25 is secured to the extreme position of location notch 16, be rotated further fixed handle 20, boss 25 departs from location notch 16 under extension spring 22 effects, boss 25 pushes against draw-in groove 17, fixed handle 20 can not continue to press down.Location notch 16 is set and can obtains intuitively crystal head and whether compress and put in place, be provided with draw-in groove 17, can effectively avoid because of misoperation, the excessive and situation that causes damaging by pressure crystal head of thrust.
The present invention is under initial condition, wire in cable is stripped out, and by blade 26, wire termination is cut flat and is inserted in crystal head, crystal head is placed on line ball mouth corresponding on quiet die holder 11, the end of crystal head abuts on fixed head 13 or baffle plate 14, reserve position, depress fixed handle 20, dynamic head 21 pushes against the copper sheet on crystal head along pilot hole 111 end of moving, copper sheet can push against and be communicated with wire, when fixed handle 20 rotates, location-plate 15 pushes against limiting plate 23 under the pulling force effect of extension spring 22, limiting section 24 slides along the edge of limiting plate 23, until boss 25 snaps in a location notch 16, be in place, if continue to press until boss 25 holds out against draw-in groove 17, fixed handle 20 can not continue to press down, crystal head is pressed to extreme position.
In addition, the present invention, in order to obtain the good quiet die holder of performance, on the basis of S45C steel alloy chemical composition, strictly controls the proportioning components of each alloying element.According to Nippon Standard JISG4051-79 (94) regulation S45C steel alloy composition and mass percent thereof, be: carbon (C): 0.42-0.48%, silicon (Si): 0.15-0.35%, manganese (Mn): 0.60-0.90%, copper (Cu)≤0.30%, chromium (Cr)≤0.20%, nickel (Ni)≤0.20%, phosphorus (P)≤0.03%, sulphur (S)≤0.035%, iron (Fe) are surplus.
And the present invention meets on the basis of above-mentioned chemical analysis strict control, determine that composition and mass percent thereof are: carbon (C): 0.40-0.45%, silicon (Si): 0.40-0.60%, manganese (Mn): 0.80-1.10%, chromium (Cr): 0.05-0.20%, copper (Cu): 0.05-0.20%, nickel (Ni): 0.02-0.20%, molybdenum (Mo): 0.10-0.20%, phosphorus (P)≤0.025%, sulphur (S)≤0.02%, surplus is Fe and inevitable impurity element.
Embodiment 1
By following composition and mass percent thereof, take raw material: carbon (C): 0.42%, silicon (Si): 0.50%, manganese (Mn): 1.00%, chromium (Cr): 0.12%, copper (Cu): 0.15%, nickel (Ni): 0.10%, molybdenum (Mo): 0.15%, phosphorus (P): 0.02%, sulphur (S): 0.01%, surplus is Fe and inevitable impurity element, and raw material fragmentation is refined into metal dust, and under hydrogen or vacuum condition, at 760 ℃, carry out preannealing processing, after fusion, short grained powder is made to bulky grain or granule;
The above-mentioned bulky grain making or a granule powder are rolled into quiet die holder semi-finished product under the pressure of 450MPa, and at 1000 ℃ sintering 3 hours;
The above-mentioned quiet die holder semi-finished product that make are heat-treated, and at 1100 ℃, normalizing is 4.5 hours, the air cooling of coming out of the stove; At 860 ℃, quench 2 hours, oil cooling is to room temperature; At 580 ℃, tempering is 3 hours, and air cooling obtains quiet die holder blank;
The above-mentioned quiet die holder blank making, by cutting, punching press, welding, heat treatment, is made to the quiet die holder in Novel crimping pliers.
Embodiment 2
By following composition and mass percent thereof, take raw material: carbon (C): 0.40%, silicon (Si): 0.60%, manganese (Mn): 0.80%, chromium (Cr): 0.20%, copper (Cu): 0.05%, nickel (Ni): 0.20%, molybdenum (Mo): 0.10%, phosphorus (P): 0.015%, sulphur (S): 0.012%, surplus is Fe and inevitable impurity element, and raw material fragmentation is refined into metal dust, and under hydrogen or vacuum condition, at 750 ℃, carry out preannealing processing, after fusion, short grained powder is made to bulky grain or granule;
The above-mentioned bulky grain making or a granule powder are rolled into quiet die holder semi-finished product under the pressure of 550MPa, and at 920 ℃ ℃ sintering 4 hours;
The above-mentioned quiet die holder semi-finished product that make are heat-treated, and at 1030 ℃, normalizing is 4 hours, the air cooling of coming out of the stove; At 830 ℃, quench 3 hours, oil cooling is to room temperature; At 620 ℃, tempering is 2 hours, and air cooling obtains quiet die holder blank;
The above-mentioned quiet die holder blank making, by cutting, punching press, welding, heat treatment, is made to the quiet die holder in Novel crimping pliers.
Embodiment 3
By following composition and mass percent thereof, take raw material: carbon (C): 0.45%, silicon (Si): 0.40%, manganese (Mn): 1.10%, chromium (Cr): 0.05%, copper (Cu): 0.20%, nickel (Ni): 0.02%, molybdenum (Mo): 0.20%, phosphorus (P): 0.025%, sulphur (S): 0.015%, surplus is Fe and inevitable impurity element, and raw material fragmentation is refined into metal dust, and under hydrogen or vacuum condition, at 780 ℃, carry out preannealing processing, after fusion, short grained powder is made to bulky grain or granule;
The above-mentioned bulky grain making or a granule powder are rolled into quiet die holder semi-finished product under the pressure of 350MPa, and at 1020 ℃ sintering 2 hours;
The above-mentioned quiet die holder semi-finished product that make are heat-treated, and at 980 ℃, normalizing is 5 hours, the air cooling of coming out of the stove; At 880 ℃, quench 2 hours, oil cooling is to room temperature; At 550 ℃, tempering is 4 hours, and air cooling obtains quiet die holder blank;
The above-mentioned quiet die holder blank making, by cutting, punching press, welding, heat treatment, is made to the quiet die holder in Novel crimping pliers.
The quiet die holder that embodiment of the present invention 1-3 is made carries out performance test, and test result is as shown in table 1.
The performance test results of the quiet die holder that table 1: embodiment of the present invention 1-3 makes
In sum, quiet die holder of the present invention adopts steel alloy to make, described steel alloy has improved the content of essential element Si element and Mn element on the basis of S45C, and increased Mo element, do not affecting under the condition of the selected steel alloy performance of quiet die holder, the content of Ni, Cu is being controlled in low scope as far as possible.The quiet die holder making with described steel alloy has good mechanical performance, and especially yield strength, tensile strength, intensity and impact toughness extend the quiet die holder object in useful life thereby reach, and then reaches and extend the Novel crimping pliers object in useful life; Novel crimping pliers of the present invention is provided with three kinds of line ball oral capsules and has drawn together several crystal head models of routine on the market simultaneously, can on a Crimping Pliers, make three kinds of crystal heads; Extension spring 22 tension limiting plates 23, boss 25 is secured to location notch 16, can see whether crystal head clamps according to the position of boss 25 and put in place during use, uses directly perceived; Dynamic head 21 is hinged on fixed handle 20 and can be along pilot hole 111 rectilinear motion, accurate positioning, and guidance quality is good; Boss 25 can hold out against draw-in groove 17, has avoided crystal head clamping excessive, causes crushing.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (6)
1. a Novel crimping pliers, comprise static handle and the fixed handle that is hinged on static handle one end, on described static handle, be provided with quiet die holder, on described quiet die holder, offer line ball mouth, on described fixed handle, dynamic head is installed, it is characterized in that, on described quiet die holder, be provided with for compressing the first line ball mouth of 8P crystal head, for compressing the second line ball mouth of 6P crystal head and for compressing the 3rd line ball mouth of 4P crystal head, described the second line ball mouth and the 3rd line ball mouth divide and are located at the both sides of quiet die holder and are centered close to same plane, the second line ball mouth and the 3rd line ball mouth are separated by fixed head, the median plane of described the first line ball mouth is parallel with the median plane of the second line ball mouth and the 3rd line ball mouth, on described static handle, location-plate is set, on described location-plate, offer some location notchs, on described fixed handle, be hinged with limiting plate, described limiting plate one end is provided with boss, the other end is provided with extension spring, when dynamic head is pressed to quiet die holder by crystal head, extension spring tension limiting plate and boss are secured on location notch, described quiet die holder is steel alloy, described steel alloy is grouped into by the one-tenth of following percentage by weight: C:0.40-0.45%, Si:0.40-0.60%, Mn:0.80-1.10%, Cr:0.05-0.20%, Cu:0.05-0.20%, Ni:0.02-0.20%, Mo:0.10-0.20%, surplus is Fe and inevitable impurity element.
2. a kind of Novel crimping pliers according to claim 1, it is characterized in that, the cross section of described static handle and fixed handle is " U " shape, the opening of described fixed handle and static handle is oppositely arranged, the end of described fixed handle is inserted in static handle and is hinged to the end of static handle, on described static handle, have the first breach, the second breach and the 3rd breach, described the first breach is near one end hinged on static handle and corresponding with the first line ball mouth, described the second breach divides and is located at the both sides of static handle and corresponding with the second line ball mouth and the 3rd line ball mouth respectively with the 3rd breach, on the static handle of the first breach right opposite, be provided with baffle plate.
3. a kind of Novel crimping pliers according to claim 1 and 2, it is characterized in that, described dynamic head is hinged on fixed handle both sides, on described quiet die holder, pilot hole is all offered in the position of corresponding the first line ball mouth, the second line ball mouth and the 3rd line ball mouth, described dynamic head arrives at line ball mouth through pilot hole, when fixed handle rotates, dynamic head can be around pin joint rotation and along pilot hole rectilinear motion.
4. a kind of Novel crimping pliers according to claim 3, is characterized in that, the processing technology of described quiet die holder comprises the steps:
S1, according to the constituent of above-mentioned quiet die holder and mass percent, take raw material, raw material fragmentation is refined into metal dust, and under hydrogen or vacuum condition, at 750-780 ℃, carry out preannealing processing, after fusion, short grained powder is made to bulky grain or granule;
S2, the bulky grain making in step S1 or a granule powder are rolled into quiet die holder semi-finished product under the pressure of 350MPa-550MPa, and at 920 ℃-1020 ℃ sintering 2-4 hour;
S3, the quiet die holder semi-finished product after sintering in step S2 are heat-treated to normalizing 4-5 hour at 980-1030 ℃, the air cooling of coming out of the stove; The 2-3 hour that quenches at 830-880 ℃, oil cooling is to room temperature; Tempering 2-4 hour at 540-620 ℃, air cooling obtains quiet die holder blank;
S4, by the quiet die holder blank making in step S3 by cutting, punching press, welding, heat treatment, make the quiet die holder in Novel crimping pliers.
5. a kind of Novel crimping pliers according to claim 1 and 2, is characterized in that, the quantity of described location notch has three.
6. a kind of Novel crimping pliers according to claim 1 and 2, it is characterized in that, on described location-plate, be provided with draw-in groove, described draw-in groove is between location notch and static handle, on described limiting plate, also protrude and be provided with the limiting section that is triangular shape, and work as limiting section and slide and can make boss depart from location notch and push against draw-in groove along limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187448.9A CN104022423B (en) | 2014-05-05 | 2014-05-05 | A kind of Crimping Pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187448.9A CN104022423B (en) | 2014-05-05 | 2014-05-05 | A kind of Crimping Pliers |
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| Publication Number | Publication Date |
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| CN104022423A true CN104022423A (en) | 2014-09-03 |
| CN104022423B CN104022423B (en) | 2016-10-26 |
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| CN201410187448.9A Expired - Fee Related CN104022423B (en) | 2014-05-05 | 2014-05-05 | A kind of Crimping Pliers |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4862580A (en) * | 1988-02-11 | 1989-09-05 | Dual Enterprises Corporation | Multi-purpose modular plug crimp tool |
| CN2645296Y (en) * | 2003-07-07 | 2004-09-29 | 亨龙工业有限公司 | Telecommunication terminal crimping tong |
| US20050223548A1 (en) * | 2004-04-07 | 2005-10-13 | Chen C J | Cable connector compression tool |
| US20100062657A1 (en) * | 2008-09-05 | 2010-03-11 | Huang Jen-Nan | Connector structure for signal line and crimping tool thereof |
| CN202586056U (en) * | 2012-03-30 | 2012-12-05 | 宁波市鄞州永佳电机工具有限公司 | Dual-use crimping pliers |
-
2014
- 2014-05-05 CN CN201410187448.9A patent/CN104022423B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4862580A (en) * | 1988-02-11 | 1989-09-05 | Dual Enterprises Corporation | Multi-purpose modular plug crimp tool |
| CN2645296Y (en) * | 2003-07-07 | 2004-09-29 | 亨龙工业有限公司 | Telecommunication terminal crimping tong |
| US20050223548A1 (en) * | 2004-04-07 | 2005-10-13 | Chen C J | Cable connector compression tool |
| US20100062657A1 (en) * | 2008-09-05 | 2010-03-11 | Huang Jen-Nan | Connector structure for signal line and crimping tool thereof |
| CN202586056U (en) * | 2012-03-30 | 2012-12-05 | 宁波市鄞州永佳电机工具有限公司 | Dual-use crimping pliers |
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| CN104022423B (en) | 2016-10-26 |
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