CN104022423B - A kind of Crimping Pliers - Google Patents
A kind of Crimping Pliers Download PDFInfo
- Publication number
- CN104022423B CN104022423B CN201410187448.9A CN201410187448A CN104022423B CN 104022423 B CN104022423 B CN 104022423B CN 201410187448 A CN201410187448 A CN 201410187448A CN 104022423 B CN104022423 B CN 104022423B
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- Prior art keywords
- die holder
- line ball
- ball mouth
- quiet die
- handle
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- 238000002788 crimping Methods 0.000 title claims abstract description 33
- 239000013078 crystal Substances 0.000 claims abstract description 52
- 229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 47
- 230000003068 static effect Effects 0.000 claims abstract description 44
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 13
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 10
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 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
- 238000012545 processing Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 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
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 2
- 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
- 229910052717 sulfur Inorganic materials 0.000 description 8
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000011593 sulfur Substances 0.000 description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000011733 molybdenum Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 102200082816 rs34868397 Human genes 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005275 alloying Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000003078 antioxidant effect 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
- 239000002775 capsule Substances 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation 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
- 239000013589 supplement Substances 0.000 description 1
Abstract
The invention belongs to be conductively connected technical field, relate to a kind of Novel crimping pliers.This Novel crimping pliers includes static handle and fixed handle, static handle is provided with quiet die holder, quiet die holder offers line ball mouth, dynamic head is installed on fixed handle, it is provided with the first line ball mouth, the second line ball mouth and the 3rd line ball mouth on quiet die holder, static handle arranges location-plate, locating slot is offered on location-plate, being hinged with limiting plate on fixed handle, its one end has boss, the other end to be provided with extension spring, when crystal head is pressed to quiet die holder by dynamic head, extension spring tension limiting plate and boss are secured on locating slot；Quiet die holder is steel alloy, 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.Novel crimping pliers of the present invention has higher mechanical performance and longer service life.
Description
Technical field
The invention belongs to be conductively connected technical field, relate to a kind of Crimping Pliers.
Background technology
Crimping Pliers clamps also known as over-lapping stitch, is used to suppress a kind of instrument of crystal head, common electricity
Words wire terminal and Network Cable Connector all form with Crimping Pliers compacting.Existing crystal head is general
There are 3 kinds: crystal head 4P is commonly used on the helix of telephone receiver and telephone set；Crystal head
6P is commonly used on special line interface；Crystal head 8P is commonly used on computer network cable interface.
Chinese patent CN202586056U discloses a kind of dual-purpose Crimping Pliers, including a quiet hands
Handle and a fixed handle, be located at the handle case outside handle, two pincers connected by pin
Head, two binding clips are connected, on fixed handle by slide plate is fixing with fixed handle and static handle respectively
It is provided with spring base and limiting tooth, is connected by an extension spring between spring base and limiting tooth,
The pressuring line groove of two different sizes, respectively netting twine pressuring line groove and electricity it is vertically arranged with on binding clip
Words crimp trough, slide plate is provided with blade, and blade is fixed by screws on slide plate,
Knife-edge is relative, and blade position is provided with back-up ring.
Above-mentioned Crimping Pliers can only use on two kinds of crystal heads, it is impossible to meets on market conventional
The processing of crystal head, thus function is comprehensive not enough, another aspect, the pressure to crystal head
Clamp force does not limit, and easily damages crystal head by pressure.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of
Crimping Pliers multiple functional, that crudy is good.
The purpose of the present invention can be realized by following technical proposal: a kind of Crimping Pliers, bag
Include static handle and be hinged on the fixed handle of static handle one end, described static handle being provided with quiet
Die holder, described quiet die holder offers line ball mouth, described fixed handle is provided with dynamic head,
Crystal head can be pressed on quiet die holder by described dynamic head, it is characterised in that described quiet mould
It is provided with the first line ball mouth for compressing 8P crystal head on seat, is used for compressing 6P crystal
Second line ball mouth of head and for compressing the 3rd line ball mouth of 4P crystal head, described second
Line ball hole and the 3rd line ball mouth set up separately in the both sides of quiet die holder and are centrally located at same plane,
Second line ball hole and the 3rd line ball mouth are spaced by fixed plate, in described first line ball mouth
Heart face is parallel with the median plane in the second line ball hole and the 3rd line ball mouth, and described static handle sets
Put location-plate, described location-plate offers some locating slots, hinged on described fixed handle
Limited location plate, described limiting plate one end has boss, the other end to be provided with extension spring, dynamic head
When crystal head is pressed to quiet die holder, extension spring tension limiting plate and boss are secured to locating slot
On；Described quiet die holder is steel alloy, and described steel alloy is by following percentage by weight
One-tenth is grouped into: 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 Crimping Pliers of the present invention uses steel alloy to make, and described steel alloy exists
Improve essential element Si element and the content of Mn element on the basis of S45C, and increase
Add Mo element, under conditions of not affecting the steel alloy performance selected by quiet die holder,
The content of Ni, Cu is controlled in the range of low as far as possible.With described steel alloy prepare quiet
Die holder has a preferable mechanical performance, especially yield strength, tensile strength, intensity and
Impact flexibility, thus reach to extend the purpose in quiet die holder service life, and then reach to extend
The purpose in Crimping Pliers service life, and save the energy.
Wherein, in the steel alloy used by quiet die holder, carbon content should be at least 0.40%,
So that described steel alloy obtains satisfied hardness and intensity.Carbon content is not to be exceeded 0.50%,
Preferably must not exceed 0.45%.When carbon content increases, alloy yield of steel and tension
Intensity raises, but plasticity and impact reduce, when carbon content is too high, and steel alloy resistance to
Corrosive power is deteriorated.
Silicon in steel alloy is in solid solution condition but it also may deposit with silicon-calcium oxide form
, silicon can significantly improve the elastic limit of steel alloy, yield point and tensile strength, passes through
Test of many times understands, and adds the silicon of 0.40-0.60% in the steel alloy of the present invention, and silicon can
Combine with molybdenum, chromium etc., be improved steel alloy hardness, corrosion resistance and antioxidative effect,
And improve the thermostability of steel alloy.
Appropriate manganese can improve the processing characteristics of steel alloy so that it is has enough toughness,
And the tensile strength of steel alloy, hardness and quenching property can be improved.The manganese of excess can weaken on the contrary
The resistance to corrosion of steel alloy, Mn content is controlled by the most described steel alloy
0.80-1.10%, the quiet die holder making steel alloy prepare has preferable tensile strength, hardness
And corrosion resistance.
Appropriate chromium can significantly improve the intensity of the present invention quiet die holder steel alloy, hardness, again
Can guarantee that plasticity and the toughness of this steel alloy, and improve the wearability of steel alloy, antioxidation
Property and corrosion resistance.
Add appropriate nickel and can improve the strong of steel alloy in the steel alloy of the quiet die holder of the present invention
Degree, can keep again good plasticity and toughness.But nickel is more rare resource, price
Higher, therefore the nickel content in steel alloy is controlled, at 0.02-0.20%, to make conjunction by the present invention
The intensity of Jin Gang, plasticity, toughness, corrosion resistance, antirust, temperature capacity is preferable.
Possibly together with copper in the steel alloy of the quiet die holder of the present invention, copper can improve the intensity of steel alloy
And toughness, but that steel alloy can be made easily to produce is hot-short for the copper of excess, and therefore the present invention closes
The copper content control of Jin Gangzhong is at 0.05-0.20%.
The steel alloy of the quiet die holder of the present invention is also added into the molybdenum of 0.10-0.20%, conjunction can be made
Jin Gang crystal grain refinement, improve steel alloy mechanical performance, especially quenching degree, fragility,
Intensity and creep resisting ability.
Wherein, in described impurity, the mass percent of S element is less than or equal to 0.02%, P
The mass percent of element is less than or equal to 0.025%.
Generally, phosphorus is harmful element in steel alloy, the mechanical performance to steel alloy
All there is a particularly detrimental impact, but when phosphorus is from dropping to 0.02%, the plasticity of steel alloy, tough
Property, wearability all can improve 40%-50%.Therefore, the present invention is by the containing of phosphorus in steel alloy
Within amount is strict controlled in 0.025%, thus reduce the illeffects of phosphorus.
Sulfur is the same with phosphorus, is the most also the harmful element of steel alloy, can make alloy
Steel produces red brittleness, reduces ductility and the toughness of steel alloy, but when sulfur content is less than
When 0.02%, its illeffects is the most obvious, can also improve alloy on the contrary
The processing characteristics of steel.
In above-mentioned a kind of Crimping Pliers, the cross section of described static handle and fixed handle is " U "
Shape, described fixed handle is oppositely arranged with the opening of static handle, and the end of described fixed handle is inserted
Enter in static handle and be hinged to the end of static handle, described static handle has first and lacks
Mouthful, the second breach and the 3rd breach, described first breach is on static handle hinged one
Holding and corresponding with the first line ball mouth, described second breach and the 3rd breach set up separately at static handle
Both sides and think corresponding with the second line ball mouth and the 3rd line ball mouth, at the first breach respectively
Baffle plate it is provided with on opposite side.
In above-mentioned a kind of Crimping Pliers, described fixed handle both sides are all hinged with dynamic head,
Corresponding first line ball mouth, the second line ball mouth and the position of the 3rd line ball mouth on described quiet die holder
All offering pilot hole, described dynamic head compresses in line ball mouth through pilot hole, described dynamic
Pressure head can rotate around pin joint and move along a straight line along pilot hole.
Wherein, the processing technique of described quiet die holder comprises the steps:
S1, weigh raw material according to constituent and the mass percent of above-mentioned quiet die holder, will
Raw material is broken is refined into metal dust, and under hydrogen or vacuum condition, at 750-780 DEG C
Under carry out pre-anneal treatment, after blending, short grained powder is made bulky grain or granule；
S2, by step S1 prepare bulky grain or granule powder exist
Quiet die holder semi-finished product it are rolled under the pressure of 350MPa-550MPa, and at 920 DEG C
Sinter 2-4 hour at-1020 DEG C；
S3, will in step S2 sintering after quiet die holder semi-finished product carry out heat treatment,
Normalizing 4-5 hour at 980-1030 DEG C, air cooling of coming out of the stove；Quench at 830-880 DEG C 2-3
Hour, oil is cooled to room temperature；Being tempered 2-4 hour at 540-620 DEG C, air cooling obtains quiet die holder
Blank；
S4, by step S3 prepare quiet die holder blank by cutting, punching press, welding,
Heat treatment, prepares the quiet die holder in Crimping Pliers.
The constituent of quiet die holder and the mechanical performance of the quiet die holder of percent mass comparison thereof have one
Fixed impact, the mechanical performance of its processing technique quiet die holder to ultimately forming also has bigger
Impact.The quiet die holder of the present invention uses the forging method of extruding, makes original thick branch
Brilliant and columnar grain becomes crystal grain isometry recrystallized structure thinner, of uniform size, makes conjunction
Compacting and the seam such as the segregation of Jin Gang, loose, pore, slag inclusion, its tissue becomes more
Closely, improve plasticity and the mechanical property of metal.
In above-mentioned a kind of Crimping Pliers, described locating slot is three.
In above-mentioned a kind of Crimping Pliers, described location-plate is provided with draw-in groove, described card
Groove, between locating slot and static handle, described limiting plate also protrudes and is provided with triangular shape
Limiting section, before described boss is secured to locating slot, described limiting section along limiting plate slide
Until boss holds out against locating slot, boss departs from locating slot can push against draw-in groove.
Compared with prior art, the method have the advantages that
1, it is provided with three kinds of line ball mouths and enumerates several crystal head models conventional on the market,
Three kinds of crystal heads can be made on a Crimping Pliers.
2, extension spring tension limiting plate, boss is secured to locating slot, can be according to convex during use
The position of platform sees whether crystal head is held in place, and uses directly perceived.
3, dynamic head is hinged on fixed handle and can move along a straight line along pilot hole, accurate positioning,
Guidance quality is good.
4, boss can hold out against draw-in groove, it is to avoid crystal head clamping is excessive, causes crushing.
5, the steel alloy used by quiet die holder passes through reasonable compatibility, and by specifically processing work
Skill prepares quiet die holder so that it is have a higher mechanical performance, especially yield strength, anti-
Tensile strength, intensity and impact flexibility, have longer service life, and then reach to extend
The purpose in Crimping Pliers service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is location-plate and the structure for amplifying schematic diagram of 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 pressure
Line mouth；121, the 3rd breach；13, fixed plate；14, baffle plate；15, location-plate；16、
Locating slot；17, draw-in groove；18, the first line ball mouth；181, the first breach；19, 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.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
Crystal head is a kind of adapter of plastic, and market has the type of following several routine:
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 much like, but only 4 stitch are in department of computer science
In system, RJ11 is mainly used to couple modem modem, is commonly called as 4P crystal head.
RJ12 is generally also applicable to voice communication, and structure is the same with first two, but has
Six roots of sensation stitch (6p6c), also derives six grooves four pin (6p4c) and six grooves two pin (6p2c)
Two kinds, it is commonly called as 6P crystal head.
As shown in Figures 1 to 4, a kind of Crimping Pliers that the present invention relates to, including static handle
10 and be hinged on the fixed handle 20 of static handle 10 one end, static handle 10 is provided with quiet mould
Seat 11, quiet die holder 11 offers line ball mouth, fixed handle 20 is provided with dynamic head 21,
Crystal head can be pressed on quiet die holder 11 by dynamic head 21, at static handle 10 and fixed handle
Relative blade 26 is installed on 20, 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 "-shaped, and fixed handle 20 is with quiet
The opening of handle 10 is oppositely arranged, and the end of fixed handle 20 is inserted in static handle 10 also
Being hinged to the end of static handle 10, quiet die holder 11 is arranged on static handle 10 near hinged
One end on, the bottom of quiet die holder 11 is arranged in the groove of static handle 10, upper end width
Degree, more than the width of static handle 10, quiet die holder 11 is provided with for compressing 8P crystal head
The first line ball mouth 18, for compressing the second line ball mouth 19 of 6P crystal head and for pressing
3rd line ball mouth 12 of tight 4P crystal head, the second line ball mouth 19 and the 3rd line ball mouth 12
It is centrally located at same plane and sets up separately in the both sides of quiet die holder 11, the second line ball mouth 19
And the 3rd line ball mouth 12 is spaced by fixed plate 13, the median plane of the first line ball mouth 18 with
The median plane of the second line ball mouth 19 and the 3rd line ball mouth 12 is parallel, corresponding quiet die holder 11
The first line ball mouth the 18, second line ball mouth 19 and the 3rd line ball mouth 12, at static handle 10
On have the first breach the 181, second breach 191 and the 3rd breach 121, at the first breach
Baffle plate 14, the upper end pair of quiet die holder 11 it is provided with on the static handle 10 of the opposite side of 181
The position answering first line ball mouth the 18, second line ball mouth 19 and the 3rd line ball mouth 12 is all offered
Pilot hole 111, fixed handle 20 both sides are all hinged with dynamic head 21, and dynamic head 21 passes
Pilot hole 111 compresses in line ball mouth, and crystal head is inserted into the first line ball mouth 18 or the second
When line ball mouth 19 or the 3rd line ball mouth 12, dynamic head 21 can rotate around pin joint and along leading
Moving along a straight line to hole 111, the copper sheet on crystal head is pressed to lead by the end of dynamic head 21
On line.Several crystal heads that three kinds of line ball mouths can be effectively conventional in matching market are set
Model, easy to use；Dynamic head 21 compresses crystal head along pilot hole 111, accurate positioning,
Thrust is good.
As shown in Figure 3 and Figure 4, static handle 10 is provided with location away from hinged one end
Plate 15, static handle is protruded in location-plate 15 is arranged on the U-lag of static handle 10 and end
10, location-plate 15 is in flat, and it is fixed that the side of location-plate 15 offers three continuous print
A position groove 16 and draw-in groove 17, draw-in groove 17 between locating slot 16 and static handle 10,
Being hinged with limiting plate 23 on fixed handle 20, there are boss 25, the other end in limiting plate 23 one end
It is provided with extension spring 22, is additionally provided with the spacing of triangular shape in boss 25 side of limiting plate 23
Portion 24, when crystal head is pressed to quiet die holder 11 by dynamic head 21, limiting section 24 is along fixed
Position groove 16 slides into the crystal ram position of a certain shelves, and limiting plate 23 is strained in extension spring 22
And boss 25 is secured on locating slot 16, when boss 25 is secured to the pole of locating slot 16
During extreme position, being rotated further fixed handle 20, boss 25 departs from locating slot 16 in extension spring 22
Under effect, boss 25 pushes against draw-in groove 17, and fixed handle 20 can not be pressed under continuing.Arrange
Whether locating slot 16 can obtain crystal head intuitively and compress and put in place, is provided with draw-in groove 17,
Can be prevented effectively from because of misoperation, thrust is excessive and causes the situation damaging crystal head by pressure.
Wire in cable in an initial condition, is stripped out by the present invention, and by blade 26
Being cut flat by wire termination and be inserted in crystal head, it is right to be placed into by crystal head on quiet die holder 11
On the line ball mouth answered, the end of crystal head abuts on fixed plate 13 or baffle plate 14,
Reserving position, depress fixed handle 20, dynamic head 21 supports along pilot hole 111 end of moving
The copper sheet being tightened on crystal head, copper sheet can push against and connect with wire, and fixed handle 20 rotates
Time, location-plate 15 pushes against limiting plate 23, limiting section under the pulling force effect of extension spring 22
24 along the boundary slip of limiting plate 23, until boss 25 snaps in a locating slot 16,
Installation puts in place, if continuing to press until boss 25 holds out against draw-in groove 17, fixed handle 20
Can not press under continuing, crystal head is pressed to extreme position.
It addition, the present invention is in order to obtain the preferable quiet die holder of performance, at S45C steel alloy
On the basis of chemical composition, the strict proportioning components controlling each alloying element.According to Japan
Standard JISG4051-79 (94) regulation S45C 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%, sulfur (S)≤0.035%, ferrum (Fe) are surplus.
And the present invention is on the basis of strict control meets above-mentioned chemical analysis, determine composition
And mass percent is: 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%,
Sulfur (S)≤0.02%, surplus is Fe and inevitable impurity element.
Embodiment 1
Raw material is weighed: carbon (C): 0.42%, silicon by following composition and mass percent thereof
(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%,
Sulfur (S): 0.01%, surplus is Fe and inevitable impurity element, is broken by raw material
The broken metal dust that is refined into, and under hydrogen or vacuum condition, carry out pre-at 760 DEG C
Annealing, makes bulky grain or granule by short grained powder after blending；
Above-mentioned prepared bulky grain or granule powder are rolled under the pressure of 450MPa
Quiet die holder semi-finished product, and sinter 3 hours at 1000 DEG C；
Above-mentioned prepared quiet die holder semi-finished product are carried out heat treatment, normalizing at 1100 DEG C
4.5 hours, air cooling of coming out of the stove；Quenching 2 hours at 860 DEG C, oil is cooled to room temperature；At 580 DEG C
Lower tempering 3 hours, air cooling obtains quiet die holder blank；
By above-mentioned prepared quiet die holder blank by cutting, punching press, welding, heat treatment,
Prepare the quiet die holder in Crimping Pliers.
Embodiment 2
Raw material is weighed: carbon (C): 0.40%, silicon by following composition and mass percent thereof
(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%,
Sulfur (S): 0.012%, surplus is Fe and inevitable impurity element, by raw material
Crush and be refined into metal dust, and under hydrogen or vacuum condition, carry out at 750 DEG C
Pre-anneal treatment, makes bulky grain or granule by short grained powder after blending；
Above-mentioned prepared bulky grain or granule powder are rolled under the pressure of 550MPa
Quiet die holder semi-finished product, and sinter 4 hours at 920 DEG C DEG C；
Above-mentioned prepared quiet die holder semi-finished product are carried out heat treatment, normalizing 4 at 1030 DEG C
Hour, air cooling of coming out of the stove；Quenching 3 hours at 830 DEG C, oil is cooled to room temperature；At 620 DEG C
Lower tempering 2 hours, air cooling obtains quiet die holder blank；
By above-mentioned prepared quiet die holder blank by cutting, punching press, welding, heat treatment,
Prepare the quiet die holder in Crimping Pliers.
Embodiment 3
Raw material is weighed: carbon (C): 0.45%, silicon by following composition and mass percent thereof
(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%,
Sulfur (S): 0.015%, surplus is Fe and inevitable impurity element, by raw material
Crush and be refined into metal dust, and under hydrogen or vacuum condition, carry out at 780 DEG C
Pre-anneal treatment, makes bulky grain or granule by short grained powder after blending；
Above-mentioned prepared bulky grain or granule powder are rolled under the pressure of 350MPa
Quiet die holder semi-finished product, and sinter 2 hours at 1020 DEG C；
Above-mentioned prepared quiet die holder semi-finished product are carried out heat treatment, normalizing 5 at 980 DEG C
Hour, air cooling of coming out of the stove；Quenching 2 hours at 880 DEG C, oil is cooled to room temperature；At 550 DEG C
Lower tempering 4 hours, air cooling obtains quiet die holder blank；
By above-mentioned prepared quiet die holder blank by cutting, punching press, welding, heat treatment,
Prepare the quiet die holder in Crimping Pliers.
The quiet die holder that embodiment of the present invention 1-3 prepares is carried out performance test, test result
As shown in table 1.
Table 1: the performance test results of the quiet die holder that embodiment of the present invention 1-3 prepares
In sum, the quiet die holder of the present invention uses steel alloy to make, described steel alloy
Essential element Si element and the content of Mn element is improve on the basis of S45C, and
Add Mo element, under conditions of not affecting the steel alloy performance selected by quiet die holder,
The content of Ni, Cu is controlled in the range of low as far as possible.With described steel alloy prepare quiet
Die holder has a preferable mechanical performance, especially yield strength, tensile strength, intensity and
Impact flexibility, thus reach to extend the purpose in quiet die holder service life, and then reach to extend
The purpose in Crimping Pliers service life；Crimping Pliers the most of the present invention is provided with three kinds of line ball oral capsules
Include several crystal head models conventional on the market, three can have been made on a Crimping Pliers
Plant crystal head；Limiting plate 23 is strained in extension spring 22, and boss 25 is secured to locating slot 16, makes
According to the position of boss 25, used time can see whether crystal head is held in place, use directly perceived；
Dynamic head 21 is hinged on fixed handle 20 and can move along a straight line along pilot hole 111, location
Accurately, guidance quality is good；Boss 25 can hold out against draw-in groove 17, it is to avoid crystal head clamping
Excessive, cause crushing.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Claims (4)
- null1. a Crimping Pliers，Including static handle and the fixed handle being hinged on static handle one end，It is characterized in that，Quiet die holder it is provided with on described static handle，Line ball mouth is offered on described quiet die holder，On described fixed handle, dynamic head is installed，Crystal head can be pressed on quiet die holder by described dynamic head，It is characterized in that，The first line ball mouth for compressing 8P crystal head it is provided with on described quiet die holder，For compressing the second line ball mouth of 6P crystal head and for compressing the 3rd line ball mouth of 4P crystal head，Described second line ball mouth and the 3rd line ball mouth set up separately in the both sides of quiet die holder and are centrally located at same plane，Second line ball mouth and the 3rd line ball mouth are spaced by fixed plate，The median plane of described 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，Some locating slots are offered on described location-plate，It is hinged with limiting plate on described fixed handle，There is boss described limiting plate one end，The other end is provided with extension spring，When crystal head is pressed to quiet die holder by dynamic head，Extension spring tension limiting plate and boss are secured on locating slot；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；The processing technique of described quiet die holder comprises the steps:S1, weigh raw material according to constituent and the mass percent of above-mentioned quiet die holder, be refined into metal dust by broken for raw material, and under hydrogen or vacuum condition, at 750-780 DEG C, carry out pre-anneal treatment, after blending, short grained powder is made bulky grain or granule；S2, the bulky grain or the granule powder that prepare in step S1 are rolled into quiet die holder semi-finished product under the pressure of 350MPa-550MPa, and sinter 2-4 hour at 920 DEG C-1020 DEG C；S3, will in step S2 sintering after quiet die holder semi-finished product carry out heat treatment, normalizing 4-5 hour at 980-1030 DEG C, air cooling of coming out of the stove；Quenching 2-3 hour at 830-880 DEG C, oil is cooled to room temperature；Being tempered 2-4 hour at 540-620 DEG C, air cooling obtains quiet die holder blank；S4, by the quiet die holder blank for preparing in step S3 by cutting, punching press, welding, heat treatment, prepare the quiet die holder in Crimping Pliers.
- A kind of Crimping Pliers the most according to claim 1, it is characterized in that, the cross section of described static handle and fixed handle is " u "-shaped, described fixed handle is oppositely arranged with the opening of static handle, the end of described fixed handle is inserted in static handle and is hinged to the end of static handle, the first breach, the second breach and the 3rd breach is had on described static handle, one end that described first breach is hinged on static handle and corresponding with the first line ball mouth, described second breach and the 3rd breach set up separately the both sides of static handle and respectively with the second line ball mouth and the 3rd line ball mouth Corresponding, the opposite side of the first breach is provided with baffle plate.
- A kind of Crimping Pliers the most according to claim 1 and 2, it is characterized in that, described fixed handle both sides are all hinged with dynamic head, on described quiet die holder, pilot hole is all offered in the position of corresponding first line ball mouth, the second line ball mouth and the 3rd line ball mouth, described dynamic head compresses in line ball mouth through pilot hole, and described dynamic head can rotate around pin joint and move along a straight line along pilot hole.
- A kind of Crimping Pliers the most according to claim 1 and 2, it is characterised in that described locating slot is three.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104022423A CN104022423A (en) | 2014-09-03 |
| CN104022423B true CN104022423B (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410187448.9A Expired - Fee Related CN104022423B (en) | 2014-05-05 | 2014-05-05 | A kind of Crimping Pliers |
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| Country | Link |
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Citations (3)
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050223548A1 (en) * | 2004-04-07 | 2005-10-13 | Chen C J | Cable connector compression tool |
| TWI353696B (en) * | 2008-09-05 | 2011-12-01 | Jen Nan Huang | Crimping tool of a connector for a singal line the |
-
2014
- 2014-05-05 CN CN201410187448.9A patent/CN104022423B/en not_active Expired - Fee Related
Patent Citations (3)
| 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 |
| 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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| Publication number | Publication date |
|---|---|
| CN104022423A (en) | 2014-09-03 |
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