CN209063596U - A kind of self-lubricating double-layer composite material - Google Patents
A kind of self-lubricating double-layer composite material Download PDFInfo
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- CN209063596U CN209063596U CN201821459794.8U CN201821459794U CN209063596U CN 209063596 U CN209063596 U CN 209063596U CN 201821459794 U CN201821459794 U CN 201821459794U CN 209063596 U CN209063596 U CN 209063596U
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Abstract
The utility model discloses a kind of self-lubricating double-layer composite material, belongs to self-lubricating material field, and structure includes metallic base layer, self-lubricating layer；The side of the metallic base layer is equipped with blind hole, and the self-lubricating layer is embedded in metallic matrix layer surface, and the metallic base layer is with a thickness of 1-50mm, and the self-lubricating layer is with a thickness of 0.03-1.0mm.The case where the utility model double-layer composite material binding force is strong, self-lubricating property is good, can use under harsh working condition, reduce peeling-off failure.
Description
Technical field
The utility model belongs to self-lubricating material field, in particular to a kind of self-lubricating type double-layer composite material.
Background technique
Applied currently on the market using polymer matrix composite is the self-lubricating material of self-lubricating layer based on three layers, packet
Include metallic base layer, middle layer and self-lubricating composite surface layer.
Middle layer is usually made of bonding agent or the spherical copper powder layer of sintering.The three-layer self lubricating being combined with bonding agent
Use is not achieved under the applied at elevated temperature operating condition of part due to being limited by bonding agent and bonding complex condition in composite material
It is required that removing failure conditions can be generated under the working condition of alternating load, and binder easily causes environment there are certain toxicity
Pollution.Although with sintered copper bisque come improve the 3-layer composite material of the bond strength of base layer and surface layer can be in working condition
Lower use, but the type thin multilayer composite material, such as application No. is the 200810235590.0 " profits certainly of oil lubrication or grease lubrication
Sliding sliding bearing " patent document, disclosed self-lubricating thickness is 0.02mm, since self-lubricating layer too thin surface self-lubricating layer cannot
Machining is carried out, requirement of the part industrial occasions to high-precision cooperation is unable to satisfy, in addition after surface self-lubricating layer abrasion
Coefficient of friction generates variation and is unable to satisfy the industrial working condition requirement that part needs long-time stable friction；And the thick-layer of the type is multiple
Condensation material generates removing easily in machining process and under unstable varying load working condition；In addition the system of such material
Make complex process, at high cost, energy consumption increases.
Utility model content
The purpose of the utility model is to overcome defects of the existing technology, provide a kind of self-lubricating two-layer compound material
Material.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of self-lubricating double-layer composite material, including metallic base layer, self-lubricating layer；The side of the metallic base layer is set
There is blind hole, the self-lubricating layer is embedded in metallic matrix layer surface, and the metallic base layer is with a thickness of 1-50mm, the self-lubricating
Layer is with a thickness of 0.03-1.0mm；The self-lubricating layer is made of polymeric matrix and additive, the ratio by mass hundred of additive
Ratio is divided to be calculated as 5-35%.
Further scheme, the blind hole of the metallic matrix layer surface are that cylindricality blind hole or bottom area are greater than opening portion area
Blind hole, blind hole is distributed on metallic base layer, diameter of blind hole 0.1-2mm, and the depth of blind hole is 0.5-2mm, blind hole
Total surface area is the 20-50% of metallic matrix surface layer.
Further scheme, the polymeric matrix are polytetrafluoroethylene (PTFE), polyamide, polyimides, polyphenylene sulfide, polyethers ether
At least one of ketone, polyether sulfone, phenolic resin, epoxy resin；
Additive in the self-lubricating layer includes solid lubricant and anti-wear agent；The solid lubricant is curing
At least one of molybdenum, graphite, graphite oxide, graphene, graphene oxide, lead, polytetrafluoroethylene (PTFE)；The anti-wear agent is aramid fiber
At least one of powder, carbon fiber, glass fibre, silicon carbide, aluminium oxide, zirconium oxide, iron oxide.
The preparation method of above-mentioned self-lubricating double-layer composite material, specific step is as follows for this method:
S10, self-lubricating composite premix: selected polymeric matrix and additive are uniformly mixed；
S20, production blind hole: blind hole is processed in the side of metallic matrix plate；
It is S30, compound: self-lubricating composite premix is filled into blind hole and metallic matrix plate surface；
S40, solidification: the metallic matrix plate after will be compound solidifies 10-60min under 150-400 DEG C, nitrogen protection atmosphere,
Solidify self-lubricating composite, it is double to obtain self-lubricating after room temperature is cooling for self lubricating compound layer and metallic matrix plate strong bond
Layer composite material.
S20 make blind hole and S30 it is compound between, can with the following steps are included:
S21, production screw thread: producing screw thread in blind hole, and the screw thread is fine thread.
S20 make blind hole and S30 it is compound between, can with the following steps are included:
S22, corrosion blind hole: filling corrosive liquid in blind hole, the liquid level of corrosive liquid is lower than the height of blind hole, corrosive liquid pair
Blind hole is corroded.
The further object of the utility model is to provide a kind of self-lubricating double-layer gear pump side plate, uses above-mentioned self-lubricating
Double-layer composite material, the external form of side plate are " 8 " font.
The preparation method of above-mentioned self-lubricating double-layer gear pump side plate, comprising the following steps:
S10, self-lubricating composite premix: selected polymeric matrix and additive are uniformly mixed；
S11, metallic matrix plate stamp: metallic matrix plate is gone out to the shape of side plate；
S20, production blind hole: blind hole is processed in the side of metallic matrix plate；
S21, production screw thread: producing screw thread in blind hole, and the screw thread is fine thread.
S22, corrosion blind hole: filling corrosive liquid in blind hole, the liquid level of corrosive liquid is lower than the height of blind hole, corrosive liquid pair
Blind hole is corroded；
It is S30, compound: self-lubricating composite premix is filled into blind hole and metallic matrix plate surface；
S40, solidification: the metallic matrix plate after will be compound solidifies 10-60min under 150-400 DEG C, nitrogen protection atmosphere,
Solidify self-lubricating composite, self lubricating compound layer and metallic matrix plate strong bond obtain side plate blank after room temperature is cooling；
S50, side plate processing: the side plate blank of production is processed into side plate finished product.
The further object of the utility model is to provide a kind of self-lubricating bearing, uses above-mentioned self-lubricating two-layer compound material
Material, the external form of bearing are hollow cylinder.
The preparation method of above-mentioned self-lubricating bearing, comprising the following steps:
S10, self-lubricating composite premix: selected polymeric matrix and additive are uniformly mixed；
S20, production blind hole: blind hole is processed in the side of metallic matrix plate；
It is S30, compound: self-lubricating composite premix is filled into blind hole and metallic matrix plate surface；
S40, solidification: the metallic matrix plate after will be compound solidifies 10-60min under 150-400 DEG C, nitrogen protection atmosphere,
Solidify self-lubricating composite, self lubricating compound layer and metallic matrix plate strong bond obtain self-lubricating plate after room temperature is cooling
Material；
S60, wrapped bearing bush: self-lubricating plate material is rolled into bearing blank；
S70, bearing machining: bearing blank is processed into bearing products.
Compared with prior art, the application has the beneficial effect that:
Self-lubricating double-layer composite material described herein, pollute without using binder in preparation process it is small, relative to containing
Composite material preparation process in 3-layer composite material the utility model of sintered copper bisque is easy, it is only necessary to: polymer matrix is certainly
Lubricating composite premixes, metallic base layer makees hole, premix composite material and metal plate are compound, double layer material solidifies this four work
Sequence, and the 3-layer composite material of the bisque containing sintered copper needs composite material premix, copper facing, the sintering of copper powder layer, premix composite material
The complicated procedures of forming such as compound, roughing, solidification, finish rolling, copper facing and copper powder layer are sintered this two procedures and just considerably increase material
Cost of manufacture and energy consumption.
Self-lubricating double-layer composite material described herein, the hole for layer on surface of metal are that bottom area is greater than opening portion
When the hole of area, the self-lubricating double-layer composite material of preparation be can be used directly, and the self-lubricating composite in blind hole is by self-lubricating
Composite layer is firmly fixed in blind hole；When hole for layer on surface of metal is cylindrical hole, the self-lubricating composite wood of preparation
Material can be made into corresponding self-lubricating plain bearing components, when rolling, inner wall material by series of process such as curling, shapings
Material can deform, and blind hole opening portion is squeezed, and opening portion area can be less than the area before deformation, and outer wall materials can be stretched, blind
Hole bottom can also be stretched, and the bottom area that can thus generate blind hole is greater than opening portion area, make self-lubricating composite layer
Firmly it is fixed in blind hole.
Further, the self-lubricating double-layer composite material of the application, during production, filling is rotten in blind hole
Liquid is lost, the liquid level of corrosive liquid is lower than the height of blind hole, and corrosive liquid carries out blind hole to blind hole；It can be formed in this way before rolling
The bottom area of blind hole is greater than opening portion area.
Further, the self-lubricating double-layer composite material of the application is convenient for by producing screw thread in blind hole
Screw thread is beneficial to the connection of air pressure convenient for corrosion, the lines of screw thread.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
In figure: 1- metallic base layer, 2- self-lubricating layer, 3- blind hole.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of self-lubricating double-layer composite material, structure are as follows: including metallic base layer 1, self-lubricating layer 2,
The side of metallic base layer is equipped with blind hole 3, and self-lubricating layer 2 is embedded in 1 surface of metallic base layer, and metallic base layer 1 is with a thickness of 1-
50mm, self-lubricating layer 2 are made of with a thickness of 0.03-1.0mm, self-lubricating layer 2 polymeric matrix and additive, the ratio of additive
It is by weight percentage 5-35%.The self-lubricating double-layer composite material can be used to make self-lubricating bearing, gear pump side
Plate.
Embodiment one
A kind of self-lubricating double-layer gear pump side plate uses self-lubricating double-layer composite material described in the utility model, knot
Structure further includes that the external form of side plate is " 8 " font, and self-lubricating layer 2 is with a thickness of 0.15mm.
Metallic base layer 1 selects carbon steel sheet, and metallic matrix plate surface is roughened using plucking, sandblasting mode.
The blind hole on 1 surface of metallic base layer is the blind hole 3 that bottom area is greater than opening portion area, and blind hole is distributed in Metal Substrate
On body layer 1, diameter of blind hole 1mm, the depth of blind hole is 2mm, and the total surface area of blind hole is metallic matrix surface layer
50%。
Polymeric matrix in self-lubricating layer 2 is polytetrafluoroethylene (PTFE), and the additive in self-lubricating layer includes solid lubricant
And anti-wear agent, solid lubricant are molybdenum disulfide, graphite；Anti-wear agent is aramid fiber powder.
The present embodiment self-lubricating double-layer gear pump side plate, preparation method the following steps are included:
S10, self-lubricating composite premix: weight percent be polytetrafluoroethylene (PTFE) 95%, molybdenum disulfide 2%, graphite 1%,
Aramid fiber powder 2% weighs raw material, is then uniformly mixed；
S11, metallic matrix plate stamp: metallic matrix plate is gone out to the shape of side plate；
S20, production blind hole: blind hole is processed in the side of metallic matrix plate；
S21, production screw thread: producing screw thread in blind hole, and the screw thread is fine thread.
S22, corrosion blind hole: filling corrosive liquid in blind hole, the liquid level of corrosive liquid is lower than the height of blind hole, corrosive liquid pair
Blind hole is corroded；
It is S30, compound: self-lubricating composite premix is filled into blind hole and metallic matrix plate surface；
S40, solidification: the metallic matrix plate after will be compound solidifies 60min under 400 DEG C, nitrogen protection atmosphere, makes self-lubricating
Composite material solidification, self lubricating compound layer and metallic matrix plate strong bond obtain self-lubricating two-layer compound material after room temperature is cooling
Material；
2 thickness of self-lubricating layer: being processed as 0.15mm by S50, side plate processing, the side plate blank of production be processed into side plate at
Product.
By producing screw thread in blind hole, convenient for screw thread convenient for corrosion, the lines of screw thread is beneficial to the connection of air pressure.
Such self-lubricating double-layer composite material, the material in blind hole 32 is integrated layer by layer with self-lubricating, due to blind via bottom
Area is greater than opening portion area, and the material in blind hole 3 can be securely embedded in metallic base layer 1, thus self-lubricating layer self-lubricating layer 2
It will firmly be fixed on metallic base layer 1, in addition it is multiple to improve non-bore portion polymer matrix for the coarse surface of metallic base layer 1
The bond strength of condensation material layer 2 and metallic base layer 1, its polymer matrix composite wood of thus obtained self-lubricating double-layer composite material
The bond strength of the bed of material and metallic base layer is very high.
Embodiment two
A kind of self-lubricating bearing, using self-lubricating double-layer composite material described in the utility model, structure further includes axis
It holds as hollow cylinder, self-lubricating layer 2 is with a thickness of 0.03mm.
Metallic base layer 1 selects carbon steel sheet, and metallic matrix plate surface is roughened using plucking, sandblasting mode.
The blind hole of metallic matrix layer surface is cylindricality blind hole 3, and blind hole is distributed on metallic base layer 1, and diameter of blind hole is
0.5mm, the depth of blind hole are 0.5mm, and the total surface area of blind hole is the 35% of metallic matrix surface layer.
Polymeric matrix in self-lubricating layer 2 is polyether-ether-ketone.Additive in self-lubricating layer include solid lubricant and
Anti-wear agent, solid lubricant are graphite；Anti-wear agent is aramid fiber powder, iron oxide.
The present embodiment self-lubricating bearing, preparation method the following steps are included:
S10, self-lubricating composite premix: weight percent is polyether-ether-ketone 65%, graphite 17%, aramid fiber powder 12%, oxygen
Change iron 6% and weigh raw material, is then uniformly mixed；
S20, production blind hole: blind hole is processed in the side of metallic matrix plate；
It is S30, compound: self-lubricating composite premix is filled into blind hole and metallic matrix plate surface；
S40, solidification: the metallic matrix plate after will be compound solidifies 30min under 380 DEG C, nitrogen protection atmosphere, makes self-lubricating
Composite material solidification, self lubricating compound layer and metallic matrix plate strong bond obtain self-lubricating two-layer compound material after room temperature is cooling
Material.
S60, wrapped bearing bush: self-lubricating plate material is rolled into bearing blank；
S70, bearing machining: 2 thickness of self-lubricating layer is processed as 0.03mm, bearing blank is processed into bearing products.
Such self-lubricating bearing is to roll, and when rolling, inner-wall material can be deformed, and 3 opening portion of blind hole is squeezed,
Opening portion area can be less than the area before deformation, and outer wall materials can be stretched, and 3 bottom of blind hole can also be stretched, and can thus produce
The bottom area of raw blind hole 3 is greater than opening portion area, is fixed on self-lubricating composite layer firmly in blind hole, in addition metal
The coarse surface of base layer 1 can improve the bond strength of non-bore portion self-lubricating layer 2 and metallic base layer 1.It is thus obtained from
The bond strength of lubricative axle sleeve self-lubricating layer and metallic base layer is high.
This reality can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
With novel.Person skilled in the art obviously easily can make various modifications to case study on implementation, and illustrating herein
General Principle be applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to here
Case study on implementation, those skilled in the art's announcement according to the present utility model, do not depart from that the utility model scope made changes
Into and modification should all be within the protection scope of the utility model.
Claims (2)
1. a kind of self-lubricating double-layer composite material, it is characterised in that: including metallic base layer, self-lubricating layer；The metallic matrix
The side of layer is equipped with blind hole, and the self-lubricating layer is embedded in metallic matrix layer surface, the metallic base layer with a thickness of 1-50mm,
The self-lubricating layer is with a thickness of 0.03-1.0mm.
2. self-lubricating double-layer composite material according to claim 1, it is characterised in that: the metallic matrix layer surface it is blind
Hole is the blind hole that cylindricality blind hole or bottom area are greater than opening portion area, and blind hole is distributed on metallic base layer, diameter of blind hole
For 0.1-2mm, the depth of blind hole is 0.5-2mm, and the total surface area of blind hole is the 20-50% of metallic matrix surface layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821459794.8U CN209063596U (en) | 2018-09-06 | 2018-09-06 | A kind of self-lubricating double-layer composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821459794.8U CN209063596U (en) | 2018-09-06 | 2018-09-06 | A kind of self-lubricating double-layer composite material |
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| CN209063596U true CN209063596U (en) | 2019-07-05 |
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