CN108746911A - A kind of preparation facilities of diamond compact journal bearing - Google Patents
A kind of preparation facilities of diamond compact journal bearing Download PDFInfo
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- CN108746911A CN108746911A CN201810635673.2A CN201810635673A CN108746911A CN 108746911 A CN108746911 A CN 108746911A CN 201810635673 A CN201810635673 A CN 201810635673A CN 108746911 A CN108746911 A CN 108746911A
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- Prior art keywords
- diamond compact
- cylinder
- preparation facilities
- bearing
- diamond
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- 239000010432 diamond Substances 0.000 title claims abstract description 103
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 102
- 238000002360 preparation method Methods 0.000 title claims abstract description 40
- 230000006698 induction Effects 0.000 claims abstract description 51
- 238000005219 brazing Methods 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 5
- 238000005476 soldering Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 11
- 238000005087 graphitization Methods 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 description 18
- 238000003466 welding Methods 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000009760 electrical discharge machining Methods 0.000 description 2
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010028197 multiple epiphyseal dysplasia Diseases 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000013386 optimize process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/002—Soldering by means of induction heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a kind of preparation facilities of diamond compact journal bearing, including tooling and induction Heating Coil；Tooling includes cylinder, and cylinder is used to be sheathed on the inside for the bearing inner race for being equipped with diamond compact or the outside of bearing outer ring, operation window is offered on cylinder, to expose at least one diamond compact；Induction Heating Coil includes opposite two working faces, and two working faces are coiled by wire rod and formed, and the spacing between the two is more than the wall thickness of bearing inner race or bearing outer ring, and induction brazing is carried out to be inserted into inside and outside diamond compact.Using above-mentioned preparation facilities, induction brazing is carried out by induction Heating Coil, brazing temperature can be efficiently controlled to largely reduce the graphitization problem of diamond in brazing process.Induction Heating Coil is arranged working face and carries out local heating to diamond compact with the cooperation of the operation window of tooling, optimizes process to the full extent so that the full weld rate of soldering is guaranteed.
Description
Technical field
The present invention relates to Production of bearing technical fields, more specifically to a kind of diamond compact journal bearing
Preparation facilities, further relate to it is a kind of for complete the device tooling and induction coil design.
Background technology
Journal bearing in machine driving requires the surface of bearing material to have high rigidity, high abrasion, low-friction coefficient, together
The material matrix of Shi Yaoqiu bearings be it is quenched after steel alloy to ensure that black box has enough intensity and toughness.Diamond is
Ideal bearing material (there is high hardness, extremely low friction coefficient and high thermal conductivity).
In recent years, due to the fast development of man-made polycrystalline diamond, diamond compact (PDC), which obtains, widely answers
With.PDC is to utilize high temperature (being higher than 1350 DEG C) high pressure (being higher than 5.0GPa) and under catalyst (cobalt, nickel etc.) by micron diamond
Powder is compressed on preforming and hard alloy pedestal with certain interface.The sintered polycrystalline diamond tool of high temperature and pressure
There is very strong Buddha's warrior attendant coal-charcoal bond to close.Pressed PDC pass through EDM wire cut EDMs, grinding and polishing finally at
Type.So PDC pieces generally consist of two parts：Upper surface is that diamond layer is usually 1-2 millimeters thicks；Pedestal is hard alloy.
The stress and increase bond strength generated in preparation process in order to reduce interface, it will usually in diamond and hard alloy pedestal
Between design addition transition zone.This species complex of PDC pieces be by the polycrystalline diamond of working face with some strength and tough
The hard alloy pedestal of property forms one.Since diamond and most metals are nonwetting, the hard alloy pedestal of PDC composite sheets
Provide the possibility that connection is combined with the other positions of one-piece machine member.
The requirement excavated to downhole tool with oil and gas industry oil well increasingly increases, and underground bearing can not only carry
Effective transmission of force or torque, while also to increase service life.Therefore, PDC journal bearings are in the wide of PDC thrust bearings
Possess huge market under general use.PDC journal bearings usually pass through soldering on the outer wall of the inner wall of bearing outer ring or inner ring
Fixed PDC composite sheets.There are many kinds of the solderings of PDC composite sheets, and it is gas brazing mostly to lead to common.Oxyacetylene torch soldering by
In simple for process, applicability is very strong and is used in many industries, for example is manufacturing PDC drill bit, PDC reamers of underground etc.
Deng.Followed by vacuum brazing and induction brazing.
The key index of PDC composite sheets soldering is the control of brazing temperature (such as less than 750 DEG C, to reduce glomerocryst gold
The graphitization of hard rock layer) and full weld rate (to provide enough composite sheets and carrier interface bond strength).Oxyacetylene torch pricker
Weldering is difficult control temperature, easily causes to overheat, and there are operational difficulties in the welding of single PDC.In addition, flame and
Diamond layer is in direct contact the graphitization for easily inducing composite sheet surface layer diamond.Because of the feature in design and structure, very
Sky soldering is inappropriate for PDC journal bearings.
It is mesh in conclusion how to efficiently solve the problems such as PDC composite sheets brazing operation is difficult, welding effect is poor
Preceding those skilled in the art's problem to be solved.
Invention content
In view of this, the purpose of the present invention is to provide a kind of preparation facilities of diamond compact journal bearing, the system
The structure design of standby device can efficiently solve the problem that PDC composite sheets brazing operation is difficult, welding effect is poor.
In order to achieve the above object, the present invention provides the following technical solutions：
A kind of preparation facilities of diamond compact journal bearing, including tooling and induction Heating Coil；
The tooling includes cylinder, and the cylinder is for being sheathed on the bearing inner race for being equipped with diamond compact
Inside or the outside of bearing outer ring offer operation window on the cylinder, compound to expose at least one diamond
Piece；
The induction Heating Coil includes opposite two working faces, and two working faces are coiled by wire rod and formed,
And the spacing between the two is more than the wall thickness of the bearing inner race or the bearing outer ring, to be inserted into the diamond compact
Outer both sides carry out induction brazing.
Preferably, in above-mentioned preparation facilities, the cylinder has opening in an axial direction, further includes secure component, described
The both ends of secure component are connect with the both sides of the opening respectively, and at least one end is to be detachably fixed connection.
Preferably, in above-mentioned preparation facilities, at least side of the opening has been sequentially arranged in the circumferential direction. multiple interconnecting pieces, institute
Secure component is stated optionally to connect to adjust the perimeter of the cylinder from the different interconnecting pieces, or；
At least one end of the secure component has been sequentially arranged in the circumferential direction. multiple interconnecting pieces, and the respective side of the opening is optional
Connected from the different interconnecting piece to adjust the perimeter of the cylinder.
Preferably, in above-mentioned preparation facilities, the opening both sides it is opposite open up fluted, the groove forms the work
Make window.
Preferably, in above-mentioned preparation facilities, the size satisfaction of the operation window can expose the 2-3 diamonds and answer
Close piece.
Preferably, in above-mentioned preparation facilities, the both sides on the cylinder radially have been respectively fixedly connected with working handle.
Preferably, in above-mentioned preparation facilities, the induction Heating Coil further includes connection ring, and the connection ring will be described in two
Working face links into an integrated entity, and the ring width of the connection ring is more than the spacing between two working faces.
Preferably, in above-mentioned preparation facilities, the connection ring is rounded.
Preferably, in above-mentioned preparation facilities, the working face is the serpentine-like coiling formation of the wire rod or the wire rod
Helically coiling is formed.
Preferably, further include infrared radiation thermometer in above-mentioned preparation facilities, the temperature measuring point of the infrared radiation thermometer is positioned at described
Diamond compact is close to the side of steel body.
The preparation facilities of diamond compact journal bearing provided by the invention includes tooling and induction Heating Coil.Wherein,
Tooling includes cylinder, inside or bearing outer ring of the cylinder for being set in the bearing inner race for being equipped with diamond compact
Outside offers operation window on cylinder, to expose at least one diamond compact.Induction Heating Coil includes opposite two
A working face, two working faces are coiled by wire rod and are formed, and the spacing between the two is more than bearing inner race or bearing outer ring
Wall thickness carries out induction brazing to be inserted into inside and outside diamond compact.
When carrying out the soldering of diamond compact journal bearing using preparation facilities provided by the invention, by journal bearing steel
After the hole for holding composite sheet of body is dried with ultrasonic cleaning, apply weld-aiding cream, solder sheet and diamond compact successively, then
Tooling is mounted on workpiece.When workpiece be bearing inner race, and the outer wall of bearing inner race install diamond compact when, then will
Cylinder is set in outside bearing inner race, to support diamond compact to prevent it from falling；When workpiece is bearing outer ring, and in bearing
When diamond compact is installed on the inner wall of outer ring, then cylinder is set in bearing outer ring, to support diamond compact
Prevent it from falling.Diamond compact to be brazed can be made to be located at operation window by rotational workpieces.Workpiece is positioned over pricker
On welding stage, the wall (i.e. bearing wall) of workpiece is set to go deep into two working faces of induction Heating Coil, and working face and working window
Mouth is corresponding, so that diamond compact to be brazed is located in two working faces, to carry out induction brazing.When a Buddha's warrior attendant
After stone composite sheet is brazed, rotational workpieces need the diamond compact welded to correspond to operation window to next, under
One diamond compact carries out induction brazing.It so is repeated up to the soldering for completing all diamond compacts, soldering finishes
Afterwards, cooling, cleaning obtains complete workpiece.
Using above-mentioned preparation facilities, induction brazing is carried out by induction Heating Coil, can make full use of the spy of induction brazing
Sign efficiently controls brazing temperature to largely reduce the graphitization problem of diamond in brazing process.Heat induced
Circle setting working face simultaneously carries out local heating with the cooperation of the operation window of tooling to diamond compact, optimizes to the full extent
Process so that the full weld rate of soldering is guaranteed.Simultaneously because the guarantee of full weld rate, the bond strength of weld seam is more
It is higher for consistent and bond strength, effectively improve welding effect.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the tool structure schematic diagram of the preparation facilities of a specific embodiment of the invention；
Fig. 2 is a kind of structural schematic diagram of induction Heating Coil；
Fig. 3 is another structural schematic diagram of induction Heating Coil；
Fig. 4 is cross section tissue's structure chart of weld seam；
Fig. 5 is the axial section organization chart of weld seam.
It is marked in attached drawing as follows：
Cylinder 11, operation window 12, opening 13, secure component 14, working handle 15；
Working face 21, connection ring 22.
Specific implementation mode
The embodiment of the invention discloses a kind of preparation facilities of diamond compact journal bearing, in order to preparation manipulation,
Promote welding effect.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- Fig. 5 is please referred to Fig.1, Fig. 1 is the tool structure schematic diagram of the preparation facilities of a specific embodiment of the invention；Fig. 2
For a kind of structural schematic diagram of induction Heating Coil；Fig. 3 is another structural schematic diagram of induction Heating Coil；Fig. 4 is the cross of weld seam
Section structure structure chart；Fig. 5 is the axial section organization chart of weld seam.
In a specific embodiment, the preparation facilities of diamond compact journal bearing provided by the invention includes tooling
And induction Heating Coil.
Wherein, tooling includes cylinder 11, and cylinder 11 is for being set in the bearing inner race for being equipped with diamond compact
Inside or bearing outer ring outside, operation window 12 is offered on cylinder 11, to expose at least one diamond compact.
It may be the cylinder 11 coordinated with bearing outer ring that namely cylinder 11, which can be the cylinder 11 coordinated with bearing inner race,
Or tooling includes different cylinder 11, can be coordinated respectively with bearing inner race or bearing outer ring.For diamond compact
Journal bearing, both can on the outer wall of bearing inner race fixed diamond composite sheet, can also be on the inner wall of bearing outer ring
Fixed diamond composite sheet, or the equal fixed diamond composite sheet on the outer wall of bearing inner race and the inner wall of bearing outer ring, because
And cylinder 11 is set accordingly, so that its diameter is coordinated with bearing inner race or bearing outer ring, so that cylinder 11
It is set in the inside for the bearing inner race for being equipped with diamond compact or the outside of bearing outer ring, to be risen to diamond compact
To supporting role, prevent it from falling.
By taking cylinder 11 and bearing inner race cooperation as an example, the diameter D of cylinder 11 could be provided as meeting following relationship：
D=d+h+e
In formula, d is the outer diameter of bearing inner race, and h is the height that diamond compact protrudes bearing inner race outer wall, and e is to adjust
Deviation, generally in 2-4mm.Namely cylinder 11 is sleeved on for preventing diamond compact from falling outside bearing inner race, but preferably
Its diamond compact can't be squeezed, in order to brazing process middle (center) bearing and tooling by relative rotation.Cylinder 11
Similar to the above with the diameter Relationship of bearing outer ring cooperation, details are not described herein again.The setting of 11 diameter of specific cylinder, i.e.,
The control of gap size can be arranged as required between diamond compact.The thickness of cylinder 11 specifically can be in 1-3mm models
In enclosing.
Operation window 12 is offered on cylinder 11, and then when cylinder 11 is set in the axis for being equipped with diamond compact
Hold inner ring inside or bearing outer ring outside when, during workpiece, that is, bearing inner race or bearing outer ring horizontal axis rotate,
Diamond compact at operation window 12 can expose, in order to carry out induction brazing.The concrete shape of operation window 12 is not
It limits, size need to be more than the size of at least one diamond compact, can reveal at least one diamond compact
Go out.
Induction Heating Coil includes opposite two working faces 21, and two working faces 21 are coiled by wire rod and formed, and two
Spacing between person is more than the wall thickness of bearing inner race or bearing outer ring, and induction pricker is carried out to be inserted into inside and outside diamond compact
Weldering.I.e. by wire rod, such as copper pipe coiling forms two opposite working faces, bearing inner race or bearing outer ring when induction brazing
Upper wall is inserted between two working faces so that diamond compact is right against between two working faces, to carry out induction brazing.?
In the case that diamond compact protrudes from bearing inner race or bearing outer ring, then the spacing between two working faces 21 should be greater than workpiece
Wall thickness adds the height of diamond compact protrusion bearing inner race or bearing outer ring.Preferably, the spacing between two working faces 21 is
The sum of the wall thickness of bearing inner race or bearing outer ring and predetermined registration operation height, specific predetermined registration operation height are generally 10mm effects, with
Backman has operating space in brazing process.
When carrying out the soldering of diamond compact journal bearing using preparation facilities provided by the invention, by journal bearing steel
After the hole for holding composite sheet of body is dried with ultrasonic cleaning, apply weld-aiding cream, solder sheet and diamond compact successively, then
Tooling is mounted on workpiece.When workpiece be bearing inner race, and the outer wall of bearing inner race install diamond compact when, then will
Cylinder 11 is set in outside bearing inner race, to support diamond compact to prevent it from falling；When workpiece is bearing outer ring, and in axis
When diamond compact is installed on the inner wall of bearing outer-ring, then cylinder 11 is set in bearing outer ring, to support diamond multiple
Closing piece prevents it from falling.Diamond compact to be brazed can be made to be located at operation window 12 by rotational workpieces.Workpiece is put
It is placed on soldering platform, so that the wall (i.e. bearing wall) of workpiece is goed deep into two working faces 21 of induction Heating Coil, and working face
21 is corresponding with operation window 12, so that diamond compact to be brazed is located in two working faces 21, to be incuded
Soldering.After a diamond compact is brazed, rotational workpieces need the diamond compact welded to correspond to next
Operation window 12, and ensure operation window 12 and need the diamond compact relative position welded constant, with to next gold
Hard rock composite sheet carries out induction brazing.It so is repeated up to the soldering for completing all diamond compacts, it is cold after soldering
But, cleaning obtains complete workpiece.
Using above-mentioned preparation facilities, induction brazing is carried out by induction Heating Coil, can make full use of the spy of induction brazing
Sign efficiently controls brazing temperature to largely reduce the graphitization problem of diamond in brazing process.Heat induced
Circle setting working face 21 simultaneously carries out local heating with the cooperation of the operation window of tooling 12 to diamond compact, to the full extent
Optimize process so that the full weld rate of soldering is guaranteed.Simultaneously because the guarantee of full weld rate, the combination of weld seam is strong
It is higher to spend more consistent and bond strength, effectively improves welding effect.
Further, cylinder 11 has opening 13 in an axial direction, further includes secure component 14, the both ends of secure component 14
It is connect respectively with the both sides of opening 13, and at least one end is to be detachably fixed connection.Namely cylinder 11 is by laminated structure
Cylindrical shape is surrounded, is connected by secure component 14 at opening 13.And due at least one end of secure component 14 and the one of opening 13
Side is removably fixedly connected, thus can open cylinder 11 by removing secure component 14, in order to by 11 sets of cylinder
It is located at the outside of bearing inner race, then secure component 14 is fixedly connected with cylinder 11 to form the fixed cylinder 11 of diameter,
To effectively support diamond compact.Specifically, secure component 14 can be sheet connector, one end of sheet connector with
The side of opening 13 is fixedly connected by modes such as welding, and the other side of the other end and opening 13 passes through dismountable side such as bolt
Formula is fixedly connected.
Further, be open 13 at least side has been sequentially arranged in the circumferential direction. multiple interconnecting pieces, and secure component 14 is optional
Connected from different interconnecting piece to adjust the perimeter of cylinder 11, or；At least one end of secure component 14 is circumferentially successively
Multiple interconnecting pieces are provided with, 13 respective side of being open optionally is connected from different interconnecting piece to adjust the perimeter of cylinder 11.
Cylinder is namely adjusted by adjusting the link position of secure component 14 and 13 sides of opening by the setting of multiple interconnecting pieces
The diameter of body 11, that is, cylinder 11 perimeter, enable adaptation to various sizes of bearing inner race or bearing outer ring.It needs
Illustrate, two, multiple fingers herein and two or more.Specifically, secure component 14 is bolted with 13 at least sides of opening
When, then multiple through-holes or threaded hole can be circumferentially opened up in at least side of opening 13, that is, interconnecting piece is to match with bolt
The through-hole or threaded hole of conjunction, secure component 14 is coordinated by bolt from different through-hole sieve threaded holes, to adjust cylinder 11
Perimeter.Alternatively, multiple through-holes or threaded hole, that is, interconnecting piece can circumferentially be opened up at least one end of secure component 14
For the through-hole or threaded hole coordinated with bolt, 13 respective side of being open is coordinated by bolt and different through-hole sieve threaded holes, from
And adjust the perimeter of cylinder 11.Alternatively, multiple through-holes or threaded hole can also be circumferentially opened up in at least side of opening 13,
And the corresponding side of secure component 14 circumferentially also offers multiple through-holes or threaded hole, and then by bolt and secure component 14 and
The cooperation of the different through-hole of 13 respective sides that are open or threaded hole is to adjust the perimeter of cylinder 11.It is logical that interconnecting piece, which is explained above,
The form of hole or threaded hole, interconnecting piece as needed may be dismountable connection structures such as buckle, not limit specifically herein
It is fixed.
Specifically, opening 13 both sides it is opposite open up it is fluted, groove formed operation window 12.Namely as shown in Figure 1
, 13 left and right sides of corresponding opening has groove on cylinder 11, and to form operation window 12, the width of groove is open in addition
13 width determines the width of operation window 12.Preferably, operation window 12 can be opened in one end of cylinder 11, to
Induction brazing is carried out convenient for coordinating with induction Heating Coil.In this embodiment, be open 13 at least side is sequentially arranged in the circumferential direction.
There are multiple interconnecting pieces, secure component 14 optionally to be connected from different interconnecting pieces to adjust the perimeter of cylinder 11, or；Fastening
At least one end of component 14 has been sequentially arranged in the circumferential direction. multiple interconnecting pieces, be open 13 respective side optionally from different interconnecting pieces
Connection is to adjust the perimeter of cylinder 11.It can also synchronous adjustment operation window 12 while then adjust the perimeter of cylinder 11
Width, in order to adapt to various sizes of bearing inner race or bearing outer ring.
In the above embodiments, the size satisfaction of operation window 12 can expose 2-3 diamond compact.Specifically
, the axial length of operation window 12 is more than the length of diamond compact, and the circumferential width of operation window 12 is more than 2-3 gold
The overall width of hard rock composite sheet, i.e., spacing between the width of each diamond compact itself and adjacent two diamond compact it
With.When diamond compact is round, then its width and length are diameter.It can expose 2- by the way that operation window 12 is arranged
3 diamond compacts, and then between a diamond compact is right against two opposite working faces 21 of induction Heating Coil
When, working face 21 can play the role of preheating to the diamond compact of side, further promote the efficiency of induction brazing.
Specifically, the both sides on cylinder 11 radially have been respectively fixedly connected with working handle 15.Pass through working handle 15
Convenient for being operated to cylinder 11, such as it is sheathed on outside bearing inner race or in bearing outer ring.Specific works handle 15 can be in L
Shape, L-shaped one side are fixedly connected with the inner wall of cylinder 11 by modes such as welding, and L-shaped another side is then radially prolonged
It stretches.
On the basis of the various embodiments described above, induction Heating Coil further includes connection ring 22, and connection ring 22 is flat by two work
Face 21 links into an integrated entity, and the ring width of connection ring 22 is more than the spacing between two working faces 21.Namely heat induced ring is by line
Material coils to be formed, and specifically can successively be coiled by single line material and form working face 21, connection ring 22 and another working face
21.By the setting of connection ring 22, induction Heating Coil is in overall structure, the control of easy to process and temperature.And the ring of connection ring 22
The spacing being wider than between two working faces 21, and then the induced current of connection ring 22 is smaller, temperature sensor is relatively low, in working face
When 21 pairs of diamond compact induction brazings, influence of the connection ring 22 to other diamond compacts is smaller.Especially in bearing
When being disposed with the diamond compact of the circles of Liang Quan and two or more on inner ring or bearing outer ring, successively to each diamond of inner ring
When composite sheet carries out induction brazing, influence of the connection ring 22 to each diamond compact of outer ring is smaller, further improves
Welding quality.Preferably, connection ring 22 is rounded, and two kinds of induction Heating Coils as shown in Figures 2 and 3, single line material passes through curved
It is curved at two opposite working faces 21 and connection ring 22, the plane of connection ring 22 is vertical with working face 21.
Further, working face 21 is that the serpentine-like coiling of wire rod is formed or wire rod helically coils to be formed.Namely such as
Shown in Fig. 2, the serpentine-like curved arrangement of wire rod forms working face 21, or can also be as shown in figure 3, wire rod is helically bent cloth
It sets to form working face 21.Preferably, two working faces 21 are symmetrical arranged, i.e. the trend of wire rod is symmetrical in two working faces 21
's.
Further include infrared radiation thermometer on the basis of the various embodiments described above, the temperature measuring point of infrared radiation thermometer is located at diamond
Composite sheet close to the side of steel body, with ensure brazing temperature will not it is excessively high to reduce graphitization problem while, ensure solder
Fully fusing.For built-in temperature control system, need to set brazing temperature according to the difference of cored solder.Such as with
Brazing temperature is set in 720 ± 10 DEG C by the solder of BAg-24.
The preparation facilities of the diamond compact journal bearing of the application, makes full use of the feature of induction brazing effectively to control
Brazing temperature has been made to largely reduce the graphitization problem of diamond in brazing process.Using being specifically designed and make
The induction Heating Coil of work carries out local heating to workpiece, optimizes process to the full extent so that the full weld rate of soldering obtains
Guarantee is arrived.As shown in Figure 4 and Figure 5, Fig. 4 is cross section tissue's structure chart of weld seam；Fig. 5 is the axial section knot of tissue of weld seam
Composition.Upper left is steel matrix in Fig. 4, and bottom right is hard alloy.Left side is steel matrix in Fig. 5, and right side is hard alloy.The preparation
Device is in the practice of BAg-24 because the guarantee of full weld rate, the bond strength of weld seam is all consistent within 0.16 millimeter
, reach 250 megapascal or more.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of preparation facilities of diamond compact journal bearing, which is characterized in that including tooling and induction Heating Coil；
The tooling includes cylinder, and the cylinder is used to be sheathed on the inside for the bearing inner race for being equipped with diamond compact
Or the outside of bearing outer ring, operation window is offered on the cylinder, to expose at least one diamond compact；
The induction Heating Coil includes opposite two working faces, and two working faces are coiled by wire rod and formed, and two
Spacing between person is more than the wall thickness of the bearing inner race or the bearing outer ring, to be inserted into two inside and outside the diamond compact
Side carries out induction brazing.
2. preparation facilities according to claim 1, which is characterized in that the cylinder has opening in an axial direction, also wraps
Secure component is included, the both ends of the secure component are connect with the both sides of the opening respectively, and at least one end is to be detachably fixed
Connection.
3. preparation facilities according to claim 2, which is characterized in that at least side of the opening is sequentially arranged in the circumferential direction.
There are multiple interconnecting pieces, the secure component optionally to be connected from the different interconnecting pieces to adjust the perimeter of the cylinder,
Or；
At least one end of the secure component has been sequentially arranged in the circumferential direction. multiple interconnecting pieces, the respective side of the opening optionally with
The different interconnecting pieces is connected to adjust the perimeter of the cylinder.
4. preparation facilities according to claim 3, which is characterized in that it is described opening both sides it is opposite open up fluted, institute
It states groove and forms the operation window.
5. preparation facilities according to claim 1, which is characterized in that the size satisfaction of the operation window can expose 2-
3 diamond compacts.
6. preparation facilities according to claim 1, which is characterized in that the both sides on the cylinder radially are fixed respectively
It is connected with working handle.
7. according to claim 1-6 any one of them preparation facilities, which is characterized in that the induction Heating Coil further includes connection
Ring, the connection ring link into an integrated entity two working faces, and the ring width of the connection ring is flat more than two work
Spacing between face.
8. preparation facilities according to claim 7, which is characterized in that the connection ring is rounded.
9. preparation facilities according to claim 7, which is characterized in that the working face is the serpentine-like coiling of the wire rod
It is formed or the wire rod helically coils to be formed.
10. according to claim 1-6 any one of them preparation facilities, which is characterized in that further include infrared radiation thermometer, it is described red
The temperature measuring point of outer temperature measurer is located at the diamond compact close to the side of steel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810635673.2A CN108746911B (en) | 2018-06-20 | 2018-06-20 | Preparation device for radial bearing with diamond compact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810635673.2A CN108746911B (en) | 2018-06-20 | 2018-06-20 | Preparation device for radial bearing with diamond compact |
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|---|---|
| CN108746911A true CN108746911A (en) | 2018-11-06 |
| CN108746911B CN108746911B (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810635673.2A Active CN108746911B (en) | 2018-06-20 | 2018-06-20 | Preparation device for radial bearing with diamond compact |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014866A (en) * | 2019-12-24 | 2020-04-17 | 邯郸慧桥复合材料科技有限公司 | Brazing method for wear-resistant sheet |
| CN112935447A (en) * | 2021-03-17 | 2021-06-11 | 四川雄琛科技有限公司 | Welding process for welding diamond composite sheet on bearing |
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| JP2006179359A (en) * | 2004-12-24 | 2006-07-06 | High Frequency Heattreat Co Ltd | Induction heating coil and induction heating method for heating annular member from inner and outer periphery |
| CN102458744A (en) * | 2009-04-16 | 2012-05-16 | 美国合成公司 | Brazing method and apparatus therefor using induction heating |
| JP2014041789A (en) * | 2012-08-23 | 2014-03-06 | Nsk Ltd | Induction heating apparatus, and induction heating method |
| US20140263587A1 (en) * | 2013-03-14 | 2014-09-18 | Us Synthetic Corporation | Apparatus for brazing radial bearings and related methods |
| CN205676507U (en) * | 2016-06-12 | 2016-11-09 | 乐清市精创机械制造有限公司 | A kind of bearing HF induction heating apparatus |
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| JP2006179359A (en) * | 2004-12-24 | 2006-07-06 | High Frequency Heattreat Co Ltd | Induction heating coil and induction heating method for heating annular member from inner and outer periphery |
| CN102458744A (en) * | 2009-04-16 | 2012-05-16 | 美国合成公司 | Brazing method and apparatus therefor using induction heating |
| JP2014041789A (en) * | 2012-08-23 | 2014-03-06 | Nsk Ltd | Induction heating apparatus, and induction heating method |
| US20140263587A1 (en) * | 2013-03-14 | 2014-09-18 | Us Synthetic Corporation | Apparatus for brazing radial bearings and related methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111014866A (en) * | 2019-12-24 | 2020-04-17 | 邯郸慧桥复合材料科技有限公司 | Brazing method for wear-resistant sheet |
| CN112935447A (en) * | 2021-03-17 | 2021-06-11 | 四川雄琛科技有限公司 | Welding process for welding diamond composite sheet on bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108746911B (en) | 2020-09-18 |
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Denomination of invention: A preparation device for diamond composite radial bearings Effective date of registration: 20231226 Granted publication date: 20200918 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: SEED TECHNOLOGIES Corp.,Ltd. Registration number: Y2023980074149 |
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