CN104148633B - A kind of sliding bearing sheet material sintering method and the support for the method - Google Patents
A kind of sliding bearing sheet material sintering method and the support for the method Download PDFInfo
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- CN104148633B CN104148633B CN201410414636.0A CN201410414636A CN104148633B CN 104148633 B CN104148633 B CN 104148633B CN 201410414636 A CN201410414636 A CN 201410414636A CN 104148633 B CN104148633 B CN 104148633B
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Abstract
The invention discloses a kind of sliding bearing sheet material sintering method and the support for the method, described support includes A blowing layer and B blowing layer；Described A blowing layer includes support bar and connecting rod；The two ends of described support bar are equipped with fixture；Described fixture is rule three-dimensional shape；Described B blowing layer includes support bar and connecting rod；Described support bar is connected by connecting rod；The two ends of described support bar are equipped with fixture；Described fixture is rule three-dimensional shape；The fixture of described B blowing layer can snap in described A blowing layer fixture；Described A blowing layer is alternately stacked with B blowing layer；Total number of plies of described blowing layer is 2～12 layers.The sliding bearing sheet material sintered by support of the present invention, performance is consistent and suitable, without defective products with the performance of monolayer sintering sheet material between every laminate material and between each several part of every laminate material；Successfully solve sheet material sintering inefficiency in prior art, a difficult problem for sintering quality instability.
Description
Technical field
The present invention relates to a kind of metal sintering method, be specifically related to a kind of sliding bearing sheet material sintering method and use
Support in the method.
Background technology
Sliding bearing sheet material, for the production and processing of sliding bearing, has the metallic plate of copper alloy powder as base with sintering
Plinth.It is high that sliding bearing sheet material has bearing capacity, and impact resistance, high temperature resistant, self-lubricating capacities is strong, corrosion-resistant
Etc. feature, the product using sliding bearing sheet material to make, it is particularly well-suited to heavy duty, low speed, reciprocal or swing
Etc. being difficult to lubricate and formed the occasion of oil film, be mainly used in making boundary lubrication bearing, Nonlubricated bearing,
Bimetallic bearing three series products.At present product have been widely used engineering machinery, automobile, plastic rubber shaping machinery,
Hydraulic Elements, logistics harbour machinery, punch press metal forming machinery, farm machinery, office equipment, food machinery,
The fields such as energy facilities.
The performance of sliding bearing sheet material is played important work by the sintering process being sintered on metallic plate by copper alloy powder
With；Being sintered in meshbeltfurnace of sliding bearing sheet material is carried out, and meshbeltfurnace sintering is a kind of along with mesh-belt operation stream
Waterline operation, refer mainly to copper alloy powder suitable atmosphere, less than main component fusing point under conditions of add
Heat, realizes connecting between granule by means of atomic migration, copper alloy powder is sintered to copper-plated metal plate or copper closes
Process on gold plate.Copper alloy powder is the alloy powder with copper, stannum, lead, zinc as main component, along with ring
The requirement protected, copper alloy powder tends to unleaded.
In the sintering process of copper alloy powder and copper-plated metal plate, sintering atmosphere can be hydrogen, hydrogen/nitrogen
Oxygen mixture or ammonolysis craft gas.Use ammonolysis craft gas as sintering atmosphere, be possible not only to reducing metal
Plate and the oxide on copper alloy powder, take away the catabolite in sintered body in time, form protective atmosphere gas
Body, it is also possible to reduce the environment impact on goods, maintains the activation phenomenon in sintered material, makes sintered alloy
The serviceability of product is more stable, thus ensures sintering finished quality.The most important thing is can realize burning
The control of stagnation of QI atmosphere.
Owing to the environmental requirement of sliding bearing sheet material sintering is higher, prior art is usually monolayer sintering, this
Production quantity in the method unit interval is relatively low, treating capacity higher in not reaching the short time, in order to improve effect
Rate, has manufacturer to find out and uses galvanized steel plain sheet to do sealing coat between layers at copper-plated metal sheet material, it is achieved multilamellar
Sintering method, but due in sintering process sliding bearing sheet material combine closely with galvanized steel plain sheet, it is impossible to guarantor
Demonstrate,prove the uniformity of heat distribution between layers and sintering atmosphere, thus reduce the performance of sintered products, substantially
Cannot apply.
So being badly in need of a kind of device of invention, for the sintering of multilayer plain bearing sheet material, to solve existing cunning
The difficult problem that dynamic bearing sheet material sintering inefficiency, sintering quality are unstable.
Summary of the invention
Present invention aim at providing a kind of sliding bearing sheet material sintering support, it is reasonable in design, and structure is steady
Fixed, it is easy to manufacture, easy to operate, this support both ensure that heat between sheet material during sheet material sintering process
Distribution and sintering atmosphere uniformity, it is ensured that product quality, improve again production efficiency, reduce cost.
For reaching above-mentioned purpose, the present invention adopts the technical scheme that a kind of sliding bearing sheet material sintering props up
Frame, including A blowing layer and B blowing layer；Described A blowing layer includes support bar and connecting rod；Described
Support bar is connected by connecting rod；The two ends of described support bar are equipped with fixture；Described fixture is rule
Three-dimensional shape, described fixture is provided with opening up concave surface or opening down concave surface, or is simultaneously provided with
Opening up concave surface and opening down concave surface；
Described B blowing layer includes support bar and connecting rod；Described support bar is connected by connecting rod；Described
The two ends of strut are equipped with fixture；Described fixture is rule three-dimensional shape；
The fixture of described B blowing layer can snap in the concave surface of described A blowing layer fixture；Described A
Blowing layer is alternately stacked with B blowing layer；Total number of plies of described blowing layer is 2～12 layers.
In technique scheme, in blowing layer, fixture can select with the connection of support bar weld, screw thread even
Connecing, it is also possible to fixture is enclosed within the two ends of support bar, the present invention is preferably and is enclosed within support bar by fixture,
The most stable but also convenient handling, and handling ease；
The end points of support bar can be in fixture, and the most all connecting rods are all located at the fixture at support bar two ends
Between, it is also possible to outside fixture, between end points and the fixture of its nearest neighbours of the preferred support bar of the present invention
There is distance, and be provided with connecting rod, be so conducive to carrying, too increase support stability；General,
A piece connecting rod is set between strut termination and fixture；
The cross-sectional area of support bar is 5～100mm2, for unification attractive in appearance, handling ease, all support bars
Generally same cross-sectional area.The cross section of described support bar is perpendicular to the central shaft of support bar.Described respectively put
Support bar in the bed of material is typically parallel to each other.
In sliding bearing sheet material sintering support disclosed by the invention, in blowing layer, the quantity of support bar is according to institute
Process sheet material and the size of support and determine, generally two or more than two；Described connecting rod
Quantity determines, generally two or more than two according to handled sheet material and the size of support.This
Inventing in preferred described A blowing layer, support bar quantity is 2 or 3；In described B blowing layer,
Support bar quantity is 2 or 3.For stablizing of support and making full use of of resource, general A is put
The bed of material, B blowing layer the quantity of support bar consistent.
When in support, top blowing layer is A blowing layer, its fixture can only have downward opening concave surface,
When in support, bottom blowing layer is A blowing layer, its fixture can only have opening up concave surface.
Preferably in technical scheme, in described A blowing layer, at least two ends of connecting rod individual pen respectively
Being wrapped on its support bar contacted, formed and be wound around knot, this winding knot contacts with the support bar of B blowing layer；
In described B blowing layer, at least the two ends of connecting rod individual pen respectively be wrapped in that it is contacted
On strut, being formed and be wound around knot, this winding knot contacts with the support bar of A blowing layer.So, adjacent blowing
Interlayer has more contact point so that stacking of A, B blowing layer is more firm.
In further preferred technical scheme, in described A blowing layer, the two ends of all connecting rods individual pen respectively
It is wrapped on the support bar that this connecting rod is contacted；In described B blowing layer, the two ends of all connecting rods are respectively
Individual pen is wrapped on the support bar that this connecting rod is contacted.
Further in preferred technical scheme, the knot that is wound around of A blowing layer contacts with the winding knot of B blowing layer；
Preferably contact with each other two-by-two.So, the stability in support level direction is further increased.
In the present invention, the fixture that A blowing layer and B blowing layer comprise is rule three-dimensional shape, such as cylinder
Body, cuboid, hexagonal column body etc.；It is preferably cylinder.The fixture that A blowing layer comprises with B blowing layer
Shape can be identical, it is also possible to different, as long as the fixture that B blowing layer support bar is cased with can snap in A
In the fixture concave surface that blowing layer support bar is cased with.
In the present invention, between A blowing layer with B blowing layer, on-fixed is connected, and is covered with the copper facing gold of copper alloy powder
Belong to plate to be placed in the connecting rod of blowing layer.During actual production, with by B blowing layer/A blowing layer/B blowing
As a example by 5 layers of support that layer/A blowing layer/B blowing layer is constituted: first put in the connecting rod of a B blowing layer
Put one layer of copper-plated metal plate being covered with copper alloy powder, on a B blowing layer, then place an A blowing
Layer；The connecting rod of an A blowing layer is placed one layer of copper-plated metal plate being covered with copper alloy powder, then exists
The 2nd B blowing layer is placed on oneth A blowing layer；The connecting rod of the 2nd B blowing layer places one layer cover
There is the copper-plated metal plate of copper alloy powder, on the 2nd B blowing layer, then place the 2nd A blowing layer；?
One layer of copper-plated metal plate being covered with copper alloy powder is placed, then at the 2nd A in the connecting rod of two A blowing layers
The 3rd B blowing layer is placed on blowing layer；The connecting rod of the 3rd B blowing layer is placed one layer and is covered with copper conjunction
The copper-plated metal plate of bronze；Finally the support being made up of 5 layers of blowing layer and 5 layers are covered with the plating of copper alloy powder
Copper metallic plate is put in meshbeltfurnace in the lump, and thus, sintering efficiency improves 4 times.Whole operating process, bag
Include the discharge process after the code material process of network access band stokehold and sintering, particularly convenient, it is to avoid support blowing
The obstruction that gap the least between Ceng is brought, ensures the copper alloy powder on copper-plated metal plate the most simultaneously
Destroyed, thus ensure that the uniformity that copper alloy powder is distributed.
The invention also discloses and utilize above-mentioned sliding bearing sheet material sintering support to carry out sliding bearing sheet material burning
The method of knot, comprises the following steps, and the copper-plated metal plate being covered with copper alloy powder is inserted sliding bearing sheet material and burns
In knot support；Then by inserting in meshbeltfurnace with the support of the copper-plated metal plate being covered with copper alloy powder, enter
Row sintering processes, i.e. completes the sintering of sliding bearing sheet material.
In technique scheme, sintering processes technique is relevant with copper alloy powder kind, such as when in copper alloy powder,
When the mass fraction of lead is 0～5%, sintering processes technique is prior to 750～890 DEG C, sinters 15～30min,
Then in 890～950 DEG C, 35～50min are sintered；When, in copper alloy powder, the mass fraction of lead is 5～30%
Time, sintering processes technique is prior to 700～800 DEG C, sinters 15～30min, then in 800～860 DEG C,
Sintering 35～50min.
In technique scheme, meshbeltfurnace belongs to prior art, and it is production line balance, and conveyer belt will be waited to burn
Knot tying material is delivered to meshbeltfurnace sintering zone, and after completing sintering, the sheet material sintered is transported out by conveyer belt；
According to the condition of production, one group of carrying out connecing a group processes sheet material.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that
1, present invention firstly discloses a kind of sliding bearing sheet material sintering support, it is possible to achieve sliding bearing
The vertical multi-layer of sheet material is placed, and saves space, and efficiency maximum improves 12 times, when significantly promoting unit
Between production quantity.
2, sliding bearing sheet material sintering supporting structure Sizes disclosed by the invention, it is ensured that sliding axle
In board material sintering process processing procedure, sheet material heat distribution between layers and sintering atmosphere uniformity, not only protect
Demonstrate,prove the sliding bearing sheet material each several part uniform quality after every layer of sintering, and ensure that the quality of a set product
Stable, conforming product rate 100%.
3, sliding bearing sheet material sintering support disclosed by the invention, it is possible to realize discharging frame and stack flexibly,
Easy to operate, blowing number layer by layer can be selected as required and the discharging frame on a collection of production line can be regulated and controled
Quantity, meets customer need for greater flexibility and does not waste resource.
4, sliding bearing sheet material sintering support disclosed by the invention, discharging frame is between layers by fixing
Part on-fixed connects and makes code material, discharging convenient, it is to avoid prior art in code material discharge process to sheet material
The injury on surface；Simultaneously by the mutual card of each layer fixture so that stacking is firm between layers, and support exists
Geo-stationary can be kept on the sintering belt of motion, be difficult to rock.
5, in sliding bearing sheet material sintering support disclosed by the invention, discharging frame is arranged between layers
It is wound around knot and on the one hand adds support contact point between layers, enhance stability；Additionally levels phase
The side of two adjacent winding knots contacts with each other so that support is more firm.
6, support disclosed by the invention preparation is simple, can be recycled, and maintenance cost is low；Utilize it to enter
During line slip bearing sheet material sintering, easy to use, the product quality obtained is high, and sintering efficiency is high, solves
Existing sintering inefficiency, sintering poor quality and a difficult problem for instability, be especially suitable for industrial applications.
Accompanying drawing explanation
Fig. 1 is the structural representation of sliding bearing sheet material sintering support in embodiment one；
Fig. 2 is the structural representation of fixture in sliding bearing sheet material sintering support in embodiment one；
Fig. 3 is the structural representation of sliding bearing sheet material sintering support in embodiment two；
Fig. 4 is the structural representation of fixture in sliding bearing sheet material sintering support in embodiment two；
Fig. 5 is the structural representation of sliding bearing sheet material sintering support in embodiment three；
Fig. 6 is the structural representation of fixture in sliding bearing sheet material sintering support in embodiment three；
Fig. 7 is the structural representation of sliding bearing sheet material sintering support in embodiment four；
Fig. 8 is the structural representation of sliding bearing sheet material sintering support in embodiment five；
Fig. 9 is the structural representation of fixture in sliding bearing sheet material sintering support in embodiment five；
Figure 10 is the structural representation of sliding bearing sheet material sintering support in embodiment six；
Figure 11 is the structural representation of fixture in sliding bearing sheet material sintering support in embodiment six；
Figure 12 is the structural representation of sliding bearing sheet material sintering support in embodiment seven；
Figure 13 is first group of sheet material, metallograph of the 4th group of sheet material in embodiment 13；
Figure 14 is the metallograph of second group of sheet material in embodiment 13；
Figure 15 is the metallograph of the 3rd group of sheet material in embodiment 13；
Wherein, 1 be support, 2 be A blowing layer, 3 be B blowing layer, 21 be support bar, 22 for even
Extension bar, 23 be fixture, 31 be support bar, 32 be connecting rod, 33 be fixture, 231 for opening
Concave surface upward, 232 be downward opening concave surface, 221 for being wound around knot, 222 for being wound around knot, 321 being
Be wound around knot, 322 for be wound around knot.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment one:
Seeing accompanying drawing 1-2, a kind of sliding bearing sheet material sintering support 1, including A blowing layer 2 and B
Blowing layer 3；Described A blowing layer 2 includes two support bars 21 and two connecting rods 22；Described support bar
Two ends are all cased with fixture 23；All fixtures are all cylindrical shape, and its surface is designed with opening up
Concave surface 231；Described B blowing layer 3 includes two support bars 31 and five connecting rods 32；All supports
The two ends of bar are all cased with fixture 33；All fixtures are all cylindrical shape；All fixtures can
Correspondence snaps in concave surface 231；In five connecting rods, three connecting rods are had to be positioned at the fixing of support bar two ends
Between part, there is a connecting rod between the support bar end points that a fixture and this fixture are close,
There is a connecting rod between the support bar end points that another fixture and this fixture are close；
Described support bar is weldingly connected with connecting rod；Total number of plies of described blowing layer is 2 layers, B blowing layer
It is positioned at above A blowing layer；The cross-sectional area of described support bar is 12mm2。
Embodiment two:
Seeing accompanying drawing 3-4, a kind of sliding bearing sheet material sintering support 1, including A blowing layer 2 and B
Blowing layer 3；Described A blowing layer 2 includes three support bars 21 and four connecting rods 22；All supports
The two ends of bar are all cased with fixture 23；All fixtures are cylindrical shape, and its surface is provided with opening up
Concave surface 231 and downward opening concave surface 232；Described B blowing layer 3 includes three support bars 31 and six
Root connecting rod 32；The two ends of all support bars are all cased with fixture 33；All fixtures are all cylinder
Shape；All fixtures can snap in concave surface 231 and the concave surface 232 of correspondence；
Described support bar is weldingly connected with connecting rod；Total number of plies of described blowing layer is 3 layers, A blowing layer
Between two-layer B blowing layer；The cross-sectional area of described support bar is 5mm2。
Embodiment three:
Seeing accompanying drawing 5-6, a kind of sliding bearing sheet material sintering support 1, including A blowing layer 2 and B
Blowing layer 3；Described A blowing layer 2 includes three connecting rods 22 and two support bars 21；Described support
The two ends of bar 21 are all cased with fixture 23；All fixtures are cylindrical shape, and its surface is provided with opening
Concave surface 232 down；The two ends individual pen respectively of a connecting rod in described connecting rod 22 is wrapped in and it
Formed on the support bar of contact and be wound around knot 221, be wound around knot 222；It is wound around knot 221, is wound around knot 222 respectively
Contact with the support bar of B blowing layer；In three connecting rods, a connecting rod is had to be positioned at support bar two ends
Between fixture, have a connecting rod be positioned at a fixture support bar end points close with this fixture it
Between, there is a connecting rod between the support bar end points that another fixture and this fixture are close；
Described B blowing layer 3 includes three connecting rods 32 and two support bars 31；The two of described support bar
End is all cased with fixture 33；All fixtures are cylindrical shape；Described fixture can snap in correspondence
In concave surface 232；The two ends individual pen respectively of a connecting rod in described connecting rod 32 is wrapped in and connects with it
Formed on the support bar touched and be wound around knot 321, be wound around knot 322；Be wound around knot 321, be wound around knot 322 respectively with
The support bar contact of A blowing layer；In three connecting rods, a connecting rod is had to be positioned at consolidating of support bar two ends
Between locking member, have a connecting rod be positioned at a fixture support bar end points close with this fixture it
Between, there is a connecting rod between the support bar end points that another fixture and this fixture are close；
Total number of plies of described blowing layer is 2 layers, and A blowing layer is positioned at above B blowing layer；Described support bar
Cross-sectional area be 16mm2。
Embodiment four:
Seeing accompanying drawing 7, a kind of sliding bearing sheet material sintering support 1, including A blowing layer 2 and B
Blowing layer 3；
Described A blowing layer 2 includes three connecting rods 22 and two support bars 21；Described support bar 21
Two ends be all cased with fixture 23；All fixtures are cylindrical shape, and its surface is provided with opening up
Concave surface 231；The two ends of three connecting rods individual pen respectively is wrapped on the support bar being in contact with it formation and is wound around
Knot 221, winding knot 222；It is wound around knot 221, winding knot 222 support bar respectively with B blowing layer to contact；
In three connecting rods, there is a connecting rod between the fixture at support bar two ends, have a connecting rod
Between the support bar end points that a fixture and this fixture are close, a connecting rod is had to be positioned at another
Between individual fixture and the close support bar end points of this fixture；
Described B blowing layer 3 includes three connecting rods 32 and two support bars 31；The two of described support bar
End is all cased with fixture 33；All fixtures are cylindrical shape；It is right that described fixture 33 can snap in
In the concave surface 231 answered；The two ends of three connecting rods individual pen respectively is wrapped in shape on the support bar being in contact with it
Become to be wound around knot 321, be wound around knot 322；Be wound around knot 321, be wound around knot 322 respectively with the support of A blowing layer
Bar contacts；In three connecting rods, there is a connecting rod between the fixture at support bar two ends, have one
Root connecting rod, between the support bar end points that a fixture and this fixture are close, has a connecting rod
Between the support bar end points that another fixture and this fixture are close；
It is wound around knot 221 to contact with each other with the side being wound around knot 321；It is wound around knot 222 and is wound around knot 322
Side contacts with each other；It is wound around the contact portion increase tied with support bar to be welded and fixed；
Total number of plies of described blowing layer is 2 layers, and A blowing layer is positioned at below B blowing layer；Described support bar
Cross-sectional area be 25mm2。
Embodiment five:
Seeing accompanying drawing 8-9, a kind of sliding bearing sheet material sintering support 1, including A blowing layer 2 and B
Blowing layer 3；Described A blowing layer 2 includes two support bars 21 and three connecting rods 22；Described support
The two ends of bar are all cased with fixture 23；All fixtures are rectangular shape, and its surface is provided with opening up
Concave surface 231 and downward opening concave surface 232；In three connecting rods, a connecting rod is had to be positioned at support
Between the fixture at bar two ends, a connecting rod is had to be positioned at a fixture support close with this fixture
Between rod end point, a connecting rod is had to be positioned at the support bar end points that another fixture is close with this fixture
Between；
Described B blowing layer 3 includes two support bars 31 and two connecting rods 32；The two of described support bar
End is all cased with fixture 33；All fixtures are rectangular shape；It is right that described fixture 33 can snap in
In the concave surface 231 answered and concave surface 232；
Described connecting rod is inserted in support bar；Total number of plies of described blowing layer is 3 layers, and A blowing layer is positioned at
Between two-layer B blowing layer；The cross-sectional area of described support bar is 50mm2。
Embodiment six:
See accompanying drawing 10-11, a kind of sliding bearing sheet material sintering support 1, including A blowing layer 2 with
And B blowing layer 3；Described A blowing layer 2 includes two support bars 21 and four connecting rods 22；Described
The two ends of support bar are all cased with fixture 23；Described fixture 23 is regular hexahedron shape, and its surface sets
There is opening up concave surface 231；
Described B blowing layer 3 includes two support bars 31 and four connecting rods 32；The two of described support bar
End is all cased with fixture 33；Described fixture 33 is cylindrical shape；Described fixture 33 can snap in
In corresponding concave surface 231；
Described support bar is connected by screw with connecting rod；Total number of plies of described blowing layer is 2 layers, and B is put
The bed of material is positioned at above A blowing layer；The cross-sectional area of described support bar is 30mm2。
Embodiment seven:
Seeing accompanying drawing 12, a kind of sliding bearing sheet material sintering support 1, including A blowing layer 2 and B
Blowing layer 3；Described A blowing layer 2 includes two support bars 21 and two connecting rods 22；Described support
The two ends of bar are all welded with fixture 23；All fixtures are cylindrical shape, and its surface is provided with opening up
Concave surface；
Described B blowing layer 3 includes two support bars 31 and two connecting rods 32；The two of described support bar
Holding the most threaded has fixture 33；All fixtures are cylindrical shape；Described fixture 33 can
Snap in the concave surface of correspondence；
Described support bar is weldingly connected with connecting rod；Total number of plies of described blowing layer is 2 layers, B blowing layer
It is positioned at above A blowing layer；The cross-sectional area of described support bar is 10mm2。
Embodiment eight:
A kind of sliding bearing sheet material sintering support, including A blowing layer and B blowing layer；Described A
Blowing layer includes two support bars and six roots of sensation connecting rod；The two ends of described support bar are all cased with fixture；Institute
Having fixture is cylindrical shape, and its surface is provided with downward opening concave surface, or is simultaneously provided with opening court
On concave surface and downward opening concave surface；In six roots of sensation connecting rod, four connecting rods are had to be positioned at support bar two
Between the fixture of end, a connecting rod is had to be positioned at a fixture support rod end close with this fixture
Between point, have a connecting rod be positioned at another fixture support bar end points close with this fixture it
Between；
Described B blowing layer includes two support bars and six roots of sensation connecting rod；The two ends of described support bar are all cased with
Fixture；All fixtures are cylindrical shape；Described fixture can snap in the A blowing layer of correspondence
In concave surface；In six roots of sensation connecting rod, there are four connecting rods between the fixture at support bar two ends, have one
Root connecting rod, between the support bar end points that a fixture and this fixture are close, has a connecting rod
Between the support bar end points that another fixture and this fixture are close；
Described support bar is weldingly connected with connecting rod；Total number of plies of described blowing layer is 10 layers, A blowing layer
Being staggeredly stacked with B blowing layer, bottom is B blowing layer；The cross-sectional area of described support bar is
60mm2。
Embodiment nine:
A kind of sliding bearing sheet material sintering support, including A blowing layer and B blowing layer；
Described A blowing layer includes two support bars and six roots of sensation connecting rod；The two ends of described support bar are all cased with
Fixture；All fixtures are cylindrical shape, and its surface is provided with downward opening concave surface, or simultaneously
It is provided with opening up concave surface and downward opening concave surface；The two ends of six roots of sensation connecting rod individual pen respectively is wound around
The support bar being in contact with it is formed and is wound around knot；It is wound around knot to contact with the support bar of B blowing layer；The six roots of sensation
In connecting rod, there are four connecting rods between the fixture at support bar two ends, have a connecting rod to be positioned at
Between one fixture and the close support bar end points of this fixture, a connecting rod is had to be positioned at another solid
Between locking member and the close support bar end points of this fixture；
Described B blowing layer includes two support bars and six roots of sensation connecting rod；The two ends of described support bar are all cased with
Fixture；All fixtures are cylindrical shape；Described fixture can snap in the concave surface of A blowing layer；
The two ends of six roots of sensation connecting rod individual pen respectively is wrapped on the support bar being in contact with it formation and is wound around knot；It is wound around knot
Contact with the support bar of A blowing layer；In six roots of sensation connecting rod, four connecting rods are had to be positioned at support bar two ends
Between fixture, have a connecting rod be positioned at a fixture support bar end points close with this fixture it
Between, there is a connecting rod between the support bar end points that another fixture and this fixture are close；
The winding knot tied with B blowing layer that is wound around of A blowing layer contacts with each other two-by-two；It is wound around knot and support bar
Contact portion increase be welded and fixed；
Described support bar is weldingly connected with connecting rod；Total number of plies of described blowing layer is 12 layers, A blowing layer
Being staggeredly stacked with B blowing layer, bottom is B blowing layer；The cross-sectional area of described support bar is
12mm2。
Embodiment ten:
A kind of sliding bearing sheet material sintering support, including A blowing layer and B blowing layer；Described A
Blowing layer includes two support bars and five connecting rods；The two ends of described support bar are all cased with fixture；Institute
Having fixture is square shape, and its surface is provided with opening up concave surface, or is simultaneously provided with opening court
On concave surface and downward opening concave surface；The two ends of five connecting rods individual pen respectively is wrapped in and is in contact with it
Support bar on formed be wound around knot；It is wound around knot to contact with the support bar of B blowing layer；
Described B blowing layer includes two support bars and five connecting rods；The two ends of described support bar are all cased with
Fixture；All fixtures are square shape；Described fixture can snap in the concave surface of A blowing layer；
The two ends of five connecting rods individual pen respectively is wrapped on the support bar being in contact with it formation and is wound around knot；It is wound around knot
Contact with the support bar of A blowing layer；
The winding knot tied with B blowing layer that is wound around of A blowing layer contacts with each other two-by-two；It is wound around knot and support bar
Contact portion increase be welded and fixed；
Described support bar is weldingly connected with connecting rod；Total number of plies of described blowing layer is 8 layers, A blowing layer
Being staggeredly stacked with B blowing layer, bottom is A blowing layer；The cross-sectional area of described support bar is
100mm2。
Embodiment 11:
As a example by the support of embodiment ten, carrying out sliding bearing sheet material sintering, copper alloy powder used is
CuPb10Sn10。
In the connecting rod of an A blowing layer, first place one layer of copper-plated metal plate being covered with copper alloy powder, so
After on an A blowing layer place a B blowing layer；The connecting rod of a B blowing layer is placed
One layer of copper-plated metal plate being covered with copper alloy powder, then places the 2nd A blowing layer on a B blowing layer；
The connecting rod of the 2nd A blowing layer places one layer of copper-plated metal plate being covered with copper alloy powder, then the
The 2nd B blowing layer is placed on two A blowing layers；Repeat step；Finally obtain and be made up of 8 layers of blowing layer
The sample that support and 8 layers of copper-plated metal plate being covered with copper alloy powder form.
Sample is put on the conveyer belt of meshbeltfurnace, enters in meshbeltfurnace, in 700 DEG C, sinter 20min,
Then at 830 DEG C, sintering 40min i.e. completes the sintering of sliding bearing sheet material.
Embodiment 12:
As a example by the support of embodiment nine, carrying out sliding bearing sheet material sintering, copper alloy powder used is
QFQSn8-3。
In the connecting rod of a B blowing layer, first place one layer of copper-plated metal plate being covered with copper alloy powder, so
After on a B blowing layer place an A blowing layer；The connecting rod of an A blowing layer is placed
One layer of copper-plated metal plate being covered with copper alloy powder, then places the 2nd B blowing layer on an A blowing layer；
The connecting rod of the 2nd B blowing layer places one layer of copper-plated metal plate being covered with copper alloy powder, then the
The 2nd A blowing layer is placed on two B blowing layers；Repeat step；Finally obtain and be made up of 12 layers of blowing layer
Support and the sample of 12 layers of copper-plated metal plate composition being covered with copper alloy powder.
Sample is put on the conveyer belt of meshbeltfurnace, enters in meshbeltfurnace, in 800 DEG C, sinter 20min,
Then at 915 DEG C, sintering 40min i.e. completes the sintering of sliding bearing sheet material, and the sheet material after sintering is designated as the
One group of sheet material.
As a example by the support of embodiment two, carrying out sheet material sintering, copper alloy powder used is QFQSn8-3.
In the connecting rod of a B blowing layer, first place one layer of copper-plated metal plate being covered with copper alloy powder, so
After on a B blowing layer place an A blowing layer；The connecting rod of an A blowing layer is placed
One layer of copper-plated metal plate being covered with copper alloy powder, then places the 2nd B blowing layer on an A blowing layer；
The connecting rod of the 2nd B blowing layer is placed one layer of copper-plated metal plate being covered with copper alloy powder, obtains by 3
The sample that the support of layer blowing layer composition and 3 layers of copper-plated metal plate being covered with copper alloy powder form.
Sample is put on the conveyer belt of meshbeltfurnace, enters in meshbeltfurnace, in 800 DEG C, sinter 20min,
Then at 915 DEG C, sintering 40min i.e. completes the sintering of sliding bearing sheet material, and the sheet material after sintering is designated as the
Two groups of sheet materials.
Comparative example one:
Copper alloy powder used is QFQSn8-3, and the copper-plated metal plate being covered with copper alloy powder by 1 layer is placed on steel
On plate, then lid last layer steel plate, on steel plate, then put 1 layer of copper-plated metal being covered with copper alloy powder again
Plate；Repeat step；Finally obtain and be covered with the copper-plated metal plate of copper alloy powder by 3 layers of steel plate and 3 layers and form
Sample, sample is put on the conveyer belt of meshbeltfurnace, enters in meshbeltfurnace, in 800 DEG C, sinter 20min,
Then at 915 DEG C, sintering 40min i.e. completes the sintering of sliding bearing sheet material, and the sheet material after sintering is designated as the
Three groups of sheet materials.
Comparative example two:
Copper alloy powder used is QFQSn8-3, using 1 layer of copper-plated metal plate being covered with copper alloy powder as sample
Product, put into sample on the conveyer belt of meshbeltfurnace, enter in meshbeltfurnace, in 800 DEG C, sinter 20min,
Then at 915 DEG C, sintering 40min i.e. completes the sintering of sliding bearing sheet material, and the sheet material after sintering is designated as the
Four groups of sheet materials.
Embodiment 13:
First group of sheet material, second group of sheet material, the 3rd group of sheet material and the 4th group of sheet material are carried out performance test,
Method of testing is as follows with result:
1, sheet material layers of copper bond strength inspection
The first step: take the exemplar of a long 200mm of wide 15mm, and fixing exemplar middle part；
Second step: sampling part middle part bends about 90 degree along steel plate direction；
3rd step: sampling part middle part bends about 90 degree along layers of copper direction again；
4th step: sampling part middle part is further continued for bending about 180 degree along layers of copper direction.
Differentiate: bend 180 degree of layers of copper has pattern cracking but without delamination, with chisel along chisel copper at Coating combination
Layer, after layers of copper chisels out, if steel plate surface leaves a large amount of copper alloy powder, then bond strength be judged to qualified,
As steel plate surface stays steel plate surface without copper alloy powder substantially, then bond strength is judged to defective.
Result: the layers of copper bond strength of the 4th group of sheet material and first group of sheet material, second group of sheet material is good, and
First group of sheet material, second group of sheet material every laminate material between and the layers of copper of each several part of every laminate material combine
Even intensity is consistent；
3rd group of sheet material layers of copper binding strength skewness, topmost the layers of copper bond strength of layer of plate
Preferably；The layers of copper bond strength of the sheet material between orlop and intermediate layer steel plate is defective, and this sheet material
The layers of copper bond strength of mid portion worst, less than the bond strength of surrounding layers of copper.
2, sheet material hardness analysis
Use Brinell hardness analyser that the steel plate hardness after sintering is measured, in the middle of every plate and corner
Measure at totally five, to reduce error.The results are shown in Table 1, as shown in Table 1:
The hardness of the 4th group of sheet material and first group of sheet material, second group of sheet material is good, and every layer of support sintering
Between sheet material and the hardness uniformity of each several part of every laminate material, difference is in 1HB；
In 3rd group of sheet material, the hardness of uppermost sheet material (the 3rd layer) is significantly less than the bottom the (the 1st
Layer) and intermediate layer (the 2nd layer)；And layers 1 and 2 sheet material middle part hardness is bigger than normal, limit
Position, edge hardness is less than normal, and hardness differs by more than 3HB.
The each sheet material of table 1 and hardness/unit HB of each sheet material different parts
| Test sheet material | The upper left corner | The lower left corner | Middle | The upper right corner | The lower right corner |
| First group the 1st layer | 80 | 80 | 80 | 81 | 81 |
| First group the 2nd layer | 81 | 80 | 80 | 80 | 80 |
| First group the 3rd layer | 80 | 80 | 81 | 80 | 80 |
| First group the 4th layer | 80 | 80 | 80 | 80 | 81 |
| First group the 5th layer | 80 | 81 | 80 | 80 | 80 |
| First group the 6th layer | 80 | 80 | 80 | 80 | 81 |
| First group the 7th layer | 80 | 80 | 81 | 80 | 80 |
| First group the 8th layer | 81 | 80 | 80 | 80 | 81 |
| First group the 9th layer | 81 | 80 | 81 | 81 | 81 |
| First group the 10th layer | 81 | 81 | 80 | 80 | 80 |
| First group of 11th layer | 80 | 80 | 81 | 80 | 80 |
| First group the 12nd layer | 80 | 80 | 80 | 81 | 80 |
| Second group the 1st layer | 80 | 80 | 80 | 80 | 80 |
| Second group the 2nd layer | 81 | 80 | 81 | 80 | 80 |
| Second group the 3rd layer | 80 | 80 | 81 | 80 | 80 |
| 4th group | 80 | 80 | 80 | 81 | 80 |
| 3rd group the 1st layer | 82 | 81 | 86 | 85 | 82 |
| 3rd group the 2nd layer | 83 | 84 | 87 | 82 | 83 |
| 3rd group the 3rd layer | 82 | 82 | 83 | 81 | 82 |
3, layers of copper distribution
Accompanying drawing 13-15 is respectively first group of the 1st laminate material (Figure 13 A), first group of the 6th laminate material (figure
13B), first group of the 12nd laminate material (Figure 13 C), the 4th group of sheet material (Figure 13 D), second group the 1st
Laminate material (Figure 14 A), second group of the 2nd laminate material (Figure 14 B), second group of the 3rd laminate material (Figure 14 C)
And the 3rd group the 3rd layer (topmost one layer) sheet material (Figure 15 A), the 3rd group of the 2nd laminate material (figure
15B), the metallograph of the 3rd group of the 1st laminate material (Figure 15 C)；Can be seen that and burnt by support of the present invention
The layers of copper of the sheet material of knot is evenly distributed, consistent with monolayer sintering, and uses steel plate to separate the sheet material copper of sintering
Layer skewness.
To sum up, the sliding bearing sheet material sintered by support of the present invention, between every laminate material and every laminate
Between each several part of material, performance is consistent, and suitable, without defective products with the performance of monolayer sintering sheet material；Success
Solve the difficult problem that the sintering inefficiency of sheet material in prior art, sintering quality are unstable.
Claims (10)
1. a sliding bearing sheet material sintering support, it is characterised in that: include A blowing
Layer and B blowing layer；
Described A blowing layer includes support bar and connecting rod；Described support bar passes through connecting rod phase
Even；The two ends of described support bar are equipped with fixture；Described fixture is rule three-dimensional shape；
Described fixture is provided with opening up concave surface or opening down concave surface, or is simultaneously provided with
Opening up concave surface and opening down concave surface；
Described B blowing layer includes support bar and connecting rod；Described support bar passes through connecting rod phase
Even；The two ends of described support bar are equipped with fixture；Described fixture is rule three-dimensional shape；
The fixture of described B blowing layer can snap in the concave surface of described A blowing layer fixture
In；
Described A blowing layer is alternately stacked with B blowing layer；
Total number of plies of described blowing layer is 2～12 layers.
Sliding bearing sheet material sintering support the most according to claim 1, its feature exists
In: in described blowing layer, fixture is enclosed within support bar；The end points of support bar with from it
It is provided with connecting rod between near fixture；The cross-sectional area of support bar is 5～100mm2。
Sliding bearing sheet material sintering support the most according to claim 1, its feature exists
In: in described A blowing layer, the two ends of at least connecting rod individual pen respectively is wrapped in its institute
On the support bar of contact, formed and be wound around knot；The described support bar tied with B blowing layer that is wound around connects
Touch；
In described B blowing layer, the two ends of at least connecting rod individual pen respectively is wrapped in its institute
On the support bar of contact, formed and be wound around knot；The described support bar tied with A blowing layer that is wound around connects
Touch.
Sliding bearing sheet material sintering support the most according to claim 3, its feature exists
In: in described A blowing layer, the two ends of all connecting rods individual pen respectively is wrapped in this connecting rod
On the support bar contacted；
In described B blowing layer, the two ends of all connecting rods individual pen respectively is wrapped in this connecting rod
On the support bar contacted.
Sliding bearing sheet material sintering support the most according to claim 4, its feature exists
In: the knot that is wound around of A blowing layer contacts with the winding knot of B blowing layer.
Sliding bearing sheet material sintering support the most according to claim 1, its feature exists
In: the fixture of described A blowing layer is cylinder, cuboid or positive hexagonal column body；Institute
The fixture stating B blowing layer is cylinder, cuboid or positive hexagonal column body.
Sliding bearing sheet material sintering support the most according to claim 6, its feature exists
In: the fixture of described A blowing layer is cylinder；The fixture of described B blowing layer is circle
Cylinder.
Sliding bearing sheet material sintering support the most according to claim 1, its feature exists
In: in described A blowing layer, support bar quantity is 2 or 3；Described B blowing layer
In, support bar quantity is 2 or 3.
9. the sliding bearing sheet material sintering that a kind utilizes described in claim 1～8 any one
The method carrying out sliding bearing sheet material sintering with support, it is characterised in that comprise the following steps:
The copper-plated metal plate being covered with copper alloy powder is inserted in sliding bearing sheet material sintering support；So
After by inserting in meshbeltfurnace with the support of the copper-plated metal plate being covered with copper alloy powder, burn
Knot processes, and i.e. completes the sintering of sliding bearing sheet material.
Method the most according to claim 9, it is characterised in that: when in copper alloy powder,
When the mass fraction of lead is 0～5%, sintering processes technique is prior to 750～890 DEG C, sintering
15～30min, then in 890～950 DEG C, sinter 35～50min；When in copper alloy powder,
The mass fraction of lead more than 5% less than or equal to 30% time, sintering processes technique be prior to 700～
800 DEG C, sinter 15～30min, then in 800～860 DEG C, sinter 35～50min.
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| EP0852298B1 (en) * | 1996-12-14 | 2003-03-19 | Federal-Mogul Deva GmbH | Journal bearing material and method for manufacturing the same |
| CN1775426A (en) * | 2005-11-24 | 2006-05-24 | 上海核威实业有限公司 | Process for manufacturing phosphor bronze-steel bimetal bearing material with phosphor content more than 0.1% |
| CN101074702B (en) * | 2007-05-24 | 2012-03-28 | 浙江长盛滑动轴承股份有限公司 | Lead-free self-lubricating bearing and its production |
| CN101704104B (en) * | 2009-11-26 | 2011-12-21 | 大连三环复合材料技术开发有限公司 | Manufacturing method of bimetal self-lubricating bearing material |
| CN102935511B (en) * | 2011-08-15 | 2015-05-20 | 上海核威实业有限公司 | Method for improving copper-lead alloy metallographic structure sintered by copper-lead alloy powder |
| CN204035562U (en) * | 2014-08-20 | 2014-12-24 | 韩建 | A kind of sliding bearing sheet material sintering support |
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Effective date of registration: 20180914 Address after: 314100 room 220, block A, business center, Gui Gu Park, Luo Xing street, Jiashan, Jiaxing, Zhejiang. Patentee after: Jiaxing Li Xin new material Co., Ltd. Address before: 314100 97 North Station Road, Wei Tang street, Jiashan County, Jiaxing, Zhejiang Patentee before: Han Jian |
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Denomination of invention: Sliding bearing plate sintering method and supporting frame used in method Effective date of registration: 20190510 Granted publication date: 20161026 Pledgee: Zhejiang Jiashan rural commercial bank Limited by Share Ltd science and technology sub branch Pledgor: Jiaxing Li Xin new material Co., Ltd. Registration number: 2019990000415 |
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Address after: 314100 floor 1, building 1, No. 129, Guigu Third Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Liyi New Material Co.,Ltd. Address before: 314100 room 220, block A, business center, Gui Gu Park, Luo Xing street, Jiashan, Jiaxing, Zhejiang. Patentee before: JIAXING LIYI NEW MATERIAL CO.,LTD. |