A kind of process units of the diamond wire using generation device of rotating magnetic field
Technical field
The present invention relates to the technical field of diamond wire, a kind of process units applying diamond wire produces Buddha's warrior attendant
The method of stone line.
Background technology
Hard brittle material such as silicon crystal, sapphire, quartz crystal materials etc. have obtained high speed development in recent years, and cut this
The technique of a little materials mainly has inside and outside circle cutting and saw blade cutting etc., due to the advantage of saw blade cutting: efficiently, low cost, narrow cut
Stitch, pollute the little cutting method that the most substantially instead of other.And being cut with of diamond wire is significantly better than sand line in saw blade cutting
Cutting, the cutting efficiency of diamond wire is 3 times of abrasive wire sawing, and joint-cutting is less, particularly silicon chip cutting, diamond wire saw
Silicon chip luminous energy conversion ratio is higher than the silicon chip of abrasive wire sawing.
The conventional production process of diamond wire is to use knockout method and sand buring method in the market, and its manufacture method is by putting
Metal bare wire is released in line human relations, thickeies through oil removing, paint removal, nickel preplating, upper sand, nickel plating, cleans, dries, the operation such as take-up, and falls
The difference line of sand method and sand buring method knockout method when moving horizontally is that diadust is sprinkling upon above line plating equably
In liquid on the line of movement, and sand buring method is to be passed in diadust from plating solution by the bare wire of movement.The fraud of both approaches
End is that speed is slow, and diamond particles receives the impact of resistance in deadweight and moving process, all can not be evenly distributed on wire
On, thus affect cutting effect.
Summary of the invention
It is simple that the technical problem to be solved in the present invention is to provide a kind of process, and easy to operate, diamond particles is at steel
Rapid precipitation on silk thread, and deposition uniformity is good, settled density can regulate and control as required, the electrodeposited coating handle to diamond particles
The process units of the diamond wire that holding force is high and the production method of diamond wire.
In order to solve above-mentioned technical problem, the invention provides the process units of a kind of diamond wire, it include sand cylinder,
The nickel block in positive pole being fixed on this on sand cylinder inwall and be suitable to navigate within the wire of the central shaft of sand cylinder on this, this steel wire
Line is negative pole, and the neighbouring upper port of described upper sand cylinder or the periphery of the bottom of upper sand cylinder or described upper sand cylinder are provided with rotating excitation field
Generating means, this generation device of rotating magnetic field is suitable to generate the magnetic field that the central shaft of sand cylinder rotates on this, during this magnetic field rotating
The magnetic line of force is suitable to cut the plating solution in sand cylinder, makes produce radial current in plating solution and make the diamond particles through treated cation
Together it is combined on described wire with nickel ion.
As a kind of embodiment, described generation device of rotating magnetic field includes: the same circumference footpath being located on a runing rest
To symmetrical multipair magnetic piece, the center of circle of described circumference is on described on the central shaft of sand cylinder.A pair magnetic piece of radial symmetric
The magnetic pole of abutting end identical, the magnetic pole of the medial extremity of adjacent magnetic piece is contrary.Magnetic piece is permanent magnet or electric magnet.
As a kind of optimal enforcement mode, described upper sand cylinder includes the outer cylinder body of non-metallic material, is sheathed on this outer cylinder body
The interior netted cylinder of bilayer, described nickel block is fixed in the barrel of this double-deck netted cylinder, and on this, sand cylinder is vertically arranged.Nickel block
Be suitable to discharge nickel ion in electroplating process, use double-deck netted cylinder to place nickel block, the replacing of nickel block can be facilitated.As excellent
The scheme of choosing, nickel block include along upper sand cylinder central shaft uniformly, level with the polylith of circle distribution, nickel block can also be that level is solid
The nickel circle being scheduled in outer cylinder body, this nickel circle and the described upper concentricity axle of sand cylinder.The present invention arranges double-deck netted cylinder in outer cylinder body
Body, can facilitate assembling and the periodic replacement of nickel block;As further preferred scheme, the netted cylinder of described bilayer uses wire netting
Make, preferably titanium net;During use, only this wire netting need to be connected DC anode, can make each nickel block is positive pole, facilitates dress
Join;Meanwhile, wire netting is difficult to armoured magnetic field, and the nickel ion that ionization can be made to go out is uniformly distributed around wire.
The inner side end of described magnetic piece is the arc surface being suitable to coordinate with the outer wall of described upper sand cylinder, so that magnetic piece end
The magnetic line of force is uniformly distributed along barrel, and the cross section of the medial extremity of this magnetic piece is horn-like, to expand the area of magnetic piece end,
Improve the area coverage of the magnetic line of force, and then improve electroplating effect.
The lower port of described upper sand cylinder is sealedly connected with base plate, and the center of this base plate is provided with and is suitable to make described wire walk
Central through hole, the upper sand launder being arranged right below for collecting and store electroplate liquid of described upper sand cylinder, the electricity in sand launder on this
Plating solution inputs described upper sand cylinder by pump, so that electroplate liquid recycles.
Applying the production method of the diamond wire of described process units, it comprises the steps:
A, the surface of wire process;
B, preparation plating solution;
C, electroplate liquid is put in upper sand launder, and by electroplate liquid by the upper sand cylinder of upper sand launder input, then on upper sand cylinder in nickel
DC anode is accessed on block;
D, make wire penetrate from the lower center of upper sand cylinder, then pass from upper end center, and be in the steel wire of the state of walking
Accessing DC cathode on line, the most described generation device of rotating magnetic field generates the magnetic field that the central shaft of sand cylinder rotates on this, magnetic
Plating solution in the upper sand cylinder of line of force cutting, make plating solution produces radial current and make through treated cation diamond particles and nickel from
Son is together combined on described wire;
E, solid sand and take-up: nickel plating before this and make coating be diamond particles particle diameter 1/2 to 1/3, then sequentially pass through cleanings, baking
Do and take-up.
During preparation electroplate liquid, every liter of plating solution includes: diadust 20-60 carat, nickel sulfamic acid 200-600g, chlorine
Change nickel 10-40g, boric acid 30-50g.
For preventing the crystallization of electroplate liquid, electroplate liquid is maintained at 40-60 DEG C.
The technique scheme of the present invention has the advantage that compared to existing technology
(1) electroplate liquid of the present invention is mixed together by diadust, nickel sulfamic acid, Nickel dichloride., boric acid and water, its gold
In suspended state after hard rock granule is agitated, in this formula due to nickel sulfamic acid have non-volatile, internal stress is low, plating is fast
The characteristics such as degree is fast, dissolubility is big, so the plating solution using nickel sulfamic acid to be electroplating main salt can obtain more main for plating than nickel sulfate
The coat of metal that the plating solution mechanical performance of salt is more excellent, is in particular in: a, the current density range of nickel sulfamic acid compare sulphuric acid
The scope of nickel is much greater, so the efficiency of plating solution electric current is high, can save the time of plating, thus improve production efficiency;b、
Plating solution with nickel sulfamic acid as electroplating main salt, coating crystallization is careful, uniform smooth, bright in color;C, with nickel sulfamic acid it is
The plating solution of electroplating main salt, coating internal stress is low, and deposition velocity is fast, and ductility is good, and coating sulfur content is less than 0.003%;D, amino sulphur
Nickel is pollution-free in acid, odorless, little to human toxicity, and nickel sulfate is poisonous to human body, meet water heat release causes the boiling of water to injure
The epidermis of people, contact dirt foam and Organic substance, sometimes can cause after burning or blast, aerosolization bigger to the pollution of environment.
(2) process units of the diamond wire of the present invention is suitable to generate the magnetic field that the central shaft of sand cylinder rotates on this, should
During magnetic field rotating, the magnetic line of force is suitable to cut the plating solution in sand cylinder, makes produce radial current in plating solution and make through treated cation
Diamond particles and nickel ion are together incorporated evenly among on described wire.
(3) upper sand cylinder is disposed vertically by the present invention, is suitable to make the diamond particles of wire surrounding be subject to diamond wire
Suffered by power, external resistance impact is equal, adds that electroplate liquid is to be exported by pump from upper sand launder, makes diamond particles in electroplate liquid begin
It is in suspension eventually, so the present invention can make diamond particles be electroplated onto equably on wire.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to specific embodiment and combine accompanying drawing,
The present invention is further detailed explanation, wherein
Fig. 1 is the structure chart of the generation device of rotating magnetic field in embodiment.
Detailed description of the invention
Embodiment 1
See Fig. 1, the process units of the diamond wire of the present embodiment, the nickel block including upper sand cylinder 1, being located in upper sand cylinder 1 and being suitable to
Navigating within the wire 2 of the central shaft of sand cylinder 1 on this, this wire 2 is in negative pole, and the bottom of upper sand cylinder 1 is provided with rotating excitation field and sends out
Generating apparatus, this generation device of rotating magnetic field is suitable to generate the magnetic field that the central shaft of sand cylinder rotates on this, magnetic during this magnetic field rotating
The line of force is suitable to cut the plating solution in sand cylinder 1, makes produce radial current in plating solution and make the diamond particles through treated cation
Together it is combined on described wire 2 with nickel ion.
Described generation device of rotating magnetic field includes: the same circumference footpath being located on the runing rest 3 that a motor drives it to rotate
To symmetrical 2 to 8 pairs of magnetic piece 4, the center of circle of described circumference is on described on the central shaft of sand cylinder 1.Runing rest 3 is led by non-
Magnetic material is made, such as materials such as ABS.
The magnetic pole of the abutting end of a pair magnetic piece 4 of radial symmetric is identical, and the magnetic pole of the medial extremity 41 of adjacent magnetic piece 4 is contrary.
Magnetic piece 4 is permanent magnet or electric magnet, and magnetic intensity when each magnetic piece 4 works is identical;During work, by adjusting the magnetic of electric magnet
Intensity or the rotating speed of runing rest 3, the speed of feature plating.
Outer cylinder body that described upper sand cylinder 1 includes non-metallic material, the bilayer being made up of titanium net being sheathed in this outer cylinder body
Netted cylinder, is fixed with nickel block, and on this, sand cylinder is vertically arranged in the barrel of double-deck netted cylinder.As preferred scheme, nickel
Block include along upper sand cylinder central shaft uniformly, level with the polylith of circle distribution, (if not using double-deck netted cylinder, nickel block can
To be the nickel circle being horizontally fixed in outer cylinder body, this nickel circle and the described upper concentricity axle of sand cylinder.Described nickel block or nickel circle pass through spiral shell
Nail is directly anchored on the inwall of outer cylinder body).
The inner side end of described magnetic piece is the arc surface being suitable to coordinate with the outer wall of described upper sand cylinder, and the inner side of this magnetic piece
The cross section of end is horn-like.
The lower port of described upper sand cylinder is sealedly connected with base plate, and the center of this base plate is provided with and is suitable to make described wire walk
Central through hole, the upper sand launder being arranged right below for collecting and store electroplate liquid of described upper sand cylinder, the electricity in sand launder on this
Plating solution inputs described upper sand cylinder by pump.
Embodiment 2
The production method of the diamond wire of the present embodiment comprises the steps:
The first step: just the surface of silk thread processes
First being the oils and fats to wire surface and oxide layer is carried out, the method for cleaning is first to wash with after caustic dip,
Wash again with after mild acid wash again.
Second step: select suitable diamond particles
The size of diamond particles is the size according to wire footpath and different and determine, the size of diamond particles is with 10-
50um is advisable, and the diamond particles simultaneously selected should be crossed as appropriate by treated cation, because the quality of diamond particles quality will
Determine the quality of the quality of diamond wire.
3rd step: preparation diamond electroplating liquid
The quality of diamond electroplating liquid determines diamond particles and the bond strength of wire and the time of combination, so whole
In the production process of individual diamond wire, diamond electroplating liquid decides diamond particles can and is plated on steel wire bare wire, with
And be plated in the effect on steel wire bare wire, so this formula is an important auxiliary link of the present invention.The preparation side of electroplate liquid
Method is that every liter of electroplate liquid includes: diadust 20-60 carat, nickel sulfamic acid 200-600g, Nickel dichloride. 10-40g, boric acid
30-50g。
4th step: diamond particles is electroplated onto on steel wire bare wire
This process is an important step of the present invention, and its method is first electroplate liquid to be put into upper sand launder to use, then by steel
Silk thread penetrates center from the top of upper sand cylinder again from the bottom centre position of upper sand cylinder and passes, and will after putting on wire again
Electroplate liquid pump is squeezed in sand cylinder.
The principle of this process is: owing to wire is unidirectional current negative pole, and upper sand cylinder is unidirectional current positive pole, and wire
It is in again on the central shaft of sand cylinder, in upper sand cylinder, is so the formation of an electric field centered by wire, at electric field
Effect under, the nickel block in upper sand cylinder can decomposite the nickel ion that is positive and enter in electroplate liquid, and the nickel ion in electroplate liquid
Then can dissociate on wire and be reduced into nickel molecule, with the form of nickel, the diamond particles adsorbed on wire together being wrapped
It is rolled on wire, which forms an electroplating bath.In order to enable diamond particles to adsorb equably on wire, its
Method is to install an annular electromagnetic field in the lower section of upper sand cylinder, owing to diamond particles has been made at cation before this
Reason, concrete method is first at one layer of nickel ion of diamond particle surfaces bag, when electromagnetism annular magnet rotates its magnetic line of force and
The motion in vertical direction of diamond particles in plating solution, the magnetic force in such plating solution will be converted into electric power so that diamond
Particle charge also has anode to present, and wire is band cathodal current, so diamond particles is had rule by the effect of electrostatic
It is adsorbed onto on wire to rule, when in the upper sand cylinder moving to top in wire electromagnetic field from below, institute on wire
The diamond particles of absorption together will be combined on wire with the nickel molecule of the reduction that dissociates on negative pole, and this is that plating is former
Reason.
5th step: Gu sand and take-up
This process is to consolidate the hold on diamond particles wire, when diamond wire is after upper sand cylinder passes, is first
Nickel plating, to add thickness coating, and make coating be diamond particles particle diameter 1/2 to 1/3, then sequentially pass through cleaning, dry and take-up,
I.e. can get shaped article.
It should be noted that owing to electroplate liquid is acid when making and producing diamond wire instrument, and need heating, therefore select
Material should be advisable with the material of acid-resistant and heat-resistant.And from upper sand launder, it is input to the plating solution in upper sand cylinder, for keeping gold in plating solution
Hard rock granule is always maintained at suspended state, and plating solution must input in sand cylinder, all the way up so should be provided with in the upper end of upper sand cylinder
The outlet of backflow, such plating solution just can recycle, and in sum, present invention process is simple, easy to operate, upper sand speed
Hurry up, diadust utilization rate is high, and the diamond wire produced is under Electronic Speculum, without piling up, and wire surrounding even particle distribution,
It it is a kind of method the most quickly producing diamond wire.
Embodiment 3
Select the wire of 0.11mm, line is penetrated in equipment;
Preparation diamond electroplating liquid: weigh nickel sulfamic acid 60000g, Nickel dichloride. 3000g, boric acid 4500g, by these chemical principle
Material is put in electroplate liquid make-up tank, adds pure water and be stirred continuously in the groove of preparation electroplate liquid, and final plating solution reaches 150 liters,
Extraction electroplate liquid 70 liters joins in electroplating bath, then adds the 2100g diadust through treated cation in electroplating bath,
Stirring electroplate liquid is also heated to 50 degree, and electroplate liquid preparation terminates.
Starting admission machine, speed is adjusted to 3 meters per minute, wire applies the unidirectional current of 0.5 ampere, at this moment 0.11mm
Wire under the traction of guide wheel from sand cylinder passes, diamond particles is just plated on wire equably, through thickening,
Finished product diamond wire is i.e. made after rinsing and drying.
Embodiment 4
Select the wire of 0.25mm, line is penetrated in equipment;
Preparation diamond electroplating liquid: weigh nickel sulfamic acid 60000g, Nickel dichloride. 3000g, boric acid 4500g, by these chemical principle
Material is put in electroplate liquid make-up tank, adds pure water and be stirred continuously in the groove of preparation electroplate liquid, and final plating solution reaches 150 liters,
Extraction electroplate liquid 70 liters joins in electroplating bath, then adds the treated diadust of 2800g in electroplating bath, stirring electricity
Plating solution is also heated to 50 degree, and electroplate liquid preparation terminates.
Starting admission machine, speed is adjusted to 3 meters per minute, and wire applies the unidirectional current of 0.75 ampere, at this moment 0.25mm
Wire under the traction of guide wheel from sand cylinder passes, diamond particles is just plated on wire equably, Jing Guojia
Thick, rinse and dry after i.e. make finished product diamond wire.
Obviously, above-described embodiment is only for clearly demonstrating example of the present invention, and not to the present invention
The restriction of embodiment.For those of ordinary skill in the field, can also be made it on the basis of the above description
The change of its multi-form or variation.Here without also cannot all of embodiment be given exhaustive.And these belong to this
What bright spirit was extended out obviously changes or changes among still in protection scope of the present invention.