WO2015159715A1 - Pompe et composition de résine - Google Patents

Pompe et composition de résine Download PDF

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Publication number
WO2015159715A1
WO2015159715A1 PCT/JP2015/060337 JP2015060337W WO2015159715A1 WO 2015159715 A1 WO2015159715 A1 WO 2015159715A1 JP 2015060337 W JP2015060337 W JP 2015060337W WO 2015159715 A1 WO2015159715 A1 WO 2015159715A1
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WO
WIPO (PCT)
Prior art keywords
resin
pump
resin member
housing
metal
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Application number
PCT/JP2015/060337
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English (en)
Japanese (ja)
Inventor
浩二 小泉
周 岡坂
Original Assignee
住友ベークライト株式会社
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Publication date
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Publication of WO2015159715A1 publication Critical patent/WO2015159715A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Definitions

  • the present invention relates to a pump and a resin composition.
  • Patent Documents 1 and 2 are techniques related to a vane type vacuum pump.
  • Patent Document 1 there is an oil groove extending in a substantially tangential direction with respect to the outer periphery of the rotor in the vicinity of the contact portion of the thrust sliding contact surface that contacts the outer peripheral edge portion of the rotor by tilting the rotor when the rotor rotates.
  • a vane vacuum pump is described which is formed.
  • the housing and the rotor are both formed of the same kind of non-ferrous metal, and a hard surface treatment film is formed on at least one of the contact surfaces of the non-ferrous metal housing and the rotor.
  • a vane vacuum pump is described.
  • the pump is required to be lighter.
  • the resin metal composite formed by joining the resin member and metal member which are formed using a thermosetting resin composition, and at least one part of an inner wall surface is comprised by the said resin member.
  • the resin metal composite formed by joining a resin member and a metal member, and at least one part of the inner wall surface is comprised by the said resin member, and is accommodated in the said housing
  • a resin composition used for forming the resin member of a pump comprising a sliding contact member that is in sliding contact with a portion constituted by the resin member of the inner wall surface
  • a resin composition comprising a thermosetting resin is provided.
  • the weight of the pump can be reduced.
  • FIG. 1 is a plan view illustrating an example of a pump 100 according to the present embodiment.
  • FIG. 2 is a cross-sectional view showing the pump 100 shown in FIG.
  • the pump 100 according to the present embodiment includes a housing 10 and a sliding contact member.
  • the housing 10 is constituted by a resin-metal composite 20 formed by joining a resin member 22 formed using a thermosetting resin composition and a metal member 24.
  • the housing 10 includes at least a part of the inner wall surface 12 made of a resin member 22.
  • the slidable contact member is accommodated in the casing 10 and slidably contacts a portion of the inner wall surface 12 of the casing 10 constituted by the resin member 22.
  • the casing 10 constituting the pump 100 is constituted by the resin-metal composite 20 formed by joining the resin member 22 and the metal member 24. For this reason, the weight of the housing
  • the pump 100 will be described.
  • Examples of the pump 100 include a vacuum pump and an oil pump.
  • the pump 100 is a vane type vacuum pump is illustrated.
  • the pump 100 includes a vane 32 that is housed in the housing 10 and is a sliding member that is in sliding contact with the inner wall surface 12 of the housing 10.
  • the application of the pump 100 is not particularly limited, and examples thereof include an in-vehicle vacuum pump mounted on a vehicle.
  • a brake booster negative pressure generator can be exemplified.
  • the pump 100 includes a housing 10, a rotor 30, and a vane 32 that is a sliding member.
  • the housing 10 has, for example, a cylindrical shape in which one end side is opened and the other end side is closed.
  • the inner wall surface 12 of the cylindrical casing 10 includes an inner surface 122 and a closing surface 124 that closes the other end side.
  • the closing surface 124 is provided with a bearing portion 16 for supporting the rotor shaft 36, for example.
  • the one end side is obstruct
  • the housing 10 is provided with an intake port 40 for sucking air and an exhaust port 42 for discharging air, which are connected to different spaces.
  • the space surrounded by the housing 10 has, for example, an elliptical shape or a pseudo-elliptical shape in plan view.
  • the housing 10 is constituted by a resin metal composite 20 formed by joining a resin member 22 and a metal member 24. In this way, by configuring a part of the housing 10 with the resin member 22, it is possible to reduce the weight of the pump 100 as compared with a case where the housing 10 is configured with only a metal material. On the other hand, by using a part of the housing 10 as the metal member 24, the strength and rigidity, gas barrier properties, airtightness, thermal conductivity, and the like of the housing 10 can be improved.
  • the housing 10 includes at least a part of the inner wall surface 12 made of a resin member 22.
  • the vane 32 which is a slidable contact member can be slidably contacted with the resin member 22. For this reason, it becomes possible to improve the slidability etc. of the vane 32 and to improve the pump performance.
  • FIG. 1 and FIG. 2 the case where the whole inner wall surface 12 of the housing
  • the inner surface 122 and the closing surface 124 of the housing 10 are constituted by the resin member 22.
  • the configuration of the housing 10 is not limited to this.
  • only the inner surface 122 of the inner wall surface 12 of the housing 10 may be configured by the resin member 22, and the closing surface 124 may be configured by the metal member 24. .
  • the outer wall surface of the housing 10 is made of a metal member 24, for example.
  • a metal member 24 for example.
  • the resin metal composite 20 constituting the housing 10 has a thermal conductivity in the stacking direction of the resin member 22 and the metal member 24 measured by the laser flash method. It is preferably 0.5 W / (m ⁇ K) or more. Thereby, the heat dissipation of the housing
  • the resin member 22 and the metal member are set so that the thickness of the resin member 22 and the metal member 24 is 1: 1 with respect to the test piece in which the resin member 22 cut out from the housing 10 and the metal member 24 are joined.
  • What made 24 thin film can be made into a measurement sample.
  • the said heat conductivity can be obtained by measuring the heat conductivity in the lamination direction of the resin member 22 and the metal member 24 by the laser flash method.
  • the thermal conductivity of the resin-metal composite 20 is appropriately determined by, for example, the types and blending ratios of the components of the thermosetting resin composition, the method for producing the metal member 24, and the method for producing the housing 10 including the resin member 22 It is possible to control to the above numerical range by selecting In addition, as a method for manufacturing the housing 10, for example, adopting a manufacturing method illustrated in FIG. 4 to be described later is considered important from the viewpoint of controlling each characteristic of the resin member 22. The reason for this is not clear, but when the fibrous filler is included in the resin member 22, it is estimated as one of the factors that the orientation of the fibrous filler can be controlled.
  • the rotor 30 is accommodated in the housing 10 and is rotatably disposed at a position eccentric with respect to the housing 10.
  • FIG. 2 a case where the rotor shaft 36 of the rotor 30 is rotatably supported by the bearing portion 16 provided in the housing 10 is illustrated.
  • the rotor 30 is provided with a vane groove 34 that is a groove for slidably fitting the vane 32.
  • the vane groove 34 can be provided, for example, so as to pass through the center of the rotor 30 and penetrate the rotor 30 in the radial direction.
  • the configuration of the vane groove 34 is not limited to this, and for example, a plurality of vane grooves 34 may be provided in the rotor 30 radially.
  • the vane 32 is provided so as to be in sliding contact with a portion of the inner wall surface 12 of the housing 10 constituted by the resin member 22.
  • FIG. 1 the case where both ends of the vane 32 are in sliding contact with the inner side surface 122 constituted by the resin member 22 is illustrated.
  • the vane 32 is slidably fitted in the vane groove 34 of the rotor 30. As a result, the rotor 30 rotates and both ends of the vane 32 can be slid on the inner side surface 122 of the housing 10.
  • the vane 32 may have an end portion that contacts the inner surface 122 made of a material different from a portion other than the end portion.
  • the end of the vane 32 that is in contact with at least the inner surface 122 is formed by, for example, aluminum die casting. Thereby, the slidability with respect to the inner surface 122 can be improved.
  • the pump 100 has a plurality of pump chambers 14 partitioned by the rotor 30 and the vanes 32 in the housing 10, for example.
  • two pump chambers 14 are formed in the housing 10.
  • the air supplied from the intake port 40 to the one pump chamber 14 is compressed as the rotor 30 rotates.
  • the compressed air is discharged
  • the metal member 24 constituting the housing 10 will be described.
  • the metal material which comprises the metal member 24 is not specifically limited, For example, 1 type, or 2 or more types selected from iron, stainless steel, aluminum, an aluminum alloy, magnesium, magnesium alloy, copper, and a copper alloy can be included.
  • the metal member 24 is made of a metal material containing Al from the viewpoint of reducing the weight of the housing 10 and improving the strength and heat dissipation.
  • the metal material containing Al include aluminum and aluminum alloys.
  • the aluminum alloy can contain one or more metals other than Al.
  • the metal member 24 can have a shape corresponding to the housing 10 by processing the above-described metal material by a known processing method, for example.
  • the metal member 24 preferably has a glossiness of 0.1 or more and 30 or less, for example, at least on the joint surface with the resin member 22.
  • the glossiness of the metal member 24 indicates a value at a measurement angle of 60 ° measured in accordance with ASTM-D523.
  • the glossiness is more preferably 0.5 or more and 25 or less, and particularly preferably 1 or more and 20 or less.
  • the glossiness of the metal member 24 can be measured using, for example, a digital glossiness meter (20 °, 60 °) (GM-26, manufactured by Murakami Color Research Laboratory).
  • the glossiness at the joint surface of the metal member 24 may not be within the above numerical range.
  • FIG. 3 is a cross-sectional view showing a part of the metal member 24 of the pump 100 shown in FIG.
  • the case where the metal member 24 has the several recessed part 201 in the joining surface with the resin member 22 at least is illustrated.
  • at least a part of the cross-sectional shape of the plurality of recesses 201 is such that at least a part between the opening 203 and the bottom 205 of the recess 201 is larger than the cross-sectional width D1 of the opening 203.
  • the shape has a large cross-sectional width D2.
  • the resin member 22 is caught between the opening 203 and the bottom 205 of the recess 201, so that the anchor effect is effective. Thereby, the joining strength of the metal member 24 and the resin member 22 can be improved more effectively, and it becomes possible to contribute to the improvement of the thermal conductivity and temperature cycle resistance of the housing 10.
  • a recess 201 having a shape in which at least a part between the opening 203 and the bottom 205 has a cross-sectional width D2 larger than the cross-sectional width D1 of the opening 203 is formed. It does not have to be provided.
  • the metal member 24 preferably has a surface roughness Ra of 1.0 ⁇ m or more and 40.0 ⁇ m or less at the joint surface with the resin member 22.
  • the surface roughness Ra of the bonding surface of the metal member 24 is more preferably 1.0 ⁇ m or more and 20.0 ⁇ m or less, and preferably 1.0 ⁇ m or more and 10.0 ⁇ m or less. Particularly preferred.
  • the metal member 24 preferably has a 10-point average roughness Rz of, for example, 1.0 ⁇ m or more and 40.0 ⁇ m or less on the joint surface with the resin member 22.
  • Rz the 10-point average roughness Rz of the bonded surface is more preferably 5.0 ⁇ m or more and 30.0 ⁇ m or less.
  • Ra and Rz in the said joint surface of the metal member 24 do not need to be in the said numerical range. Ra and Rz can be measured according to JIS-B0601.
  • the ratio of the actual surface area by the nitrogen adsorption BET method to the apparent surface area (hereinafter also simply referred to as the specific surface area) of the metal member 24 at least on the joint surface with the resin member 22 is preferably 100 or more, more preferably. 150 or more.
  • the specific surface area is equal to or greater than the lower limit, the bonding strength between the resin member 22 and the metal member 24 can be further improved. The reason for this is not clear, but the contact area between the resin member 22 and the metal member 24 increases, and as a result, the region where the resin member 22 and the metal member 24 enter each other increases, resulting in an increase in the region where the anchor effect works. it is conceivable that.
  • the specific surface area is preferably 400 or less, more preferably 380 or less, and particularly preferably 300 or less.
  • the bonding strength between the resin member 22 and the metal member 24 can be further improved.
  • the reason for this is not clear, but the following reasons can be considered as one factor. That is, by setting the specific surface area to be equal to or less than the upper limit value, the ratio of the metal member 24 in the region where the resin member 22 and the metal member 24 have entered each other is suppressed, and the mechanical strength in the region is reduced. Can be improved. As a result, it is considered that the bonding strength between the resin member 22 and the metal member 24 is further improved.
  • the apparent surface area means a surface area when it is assumed that the surface of the metal member 22 is smooth without unevenness.
  • the surface shape is rectangular, it can be expressed by vertical length ⁇ horizontal length.
  • the actual surface area by the nitrogen adsorption BET method means the BET surface area obtained from the adsorption amount of nitrogen gas. For example, using a specific surface area / pore distribution measuring device (BELSORPmini II, manufactured by Nippon Bell Co., Ltd.) for a vacuum dried sample to be measured, the nitrogen adsorption / desorption amount at liquid nitrogen temperature is measured, and based on the nitrogen adsorption / desorption amount The BET surface area can be calculated.
  • the metal member 24 can be subjected to chemical treatment on its surface using, for example, a surface treatment agent.
  • factors such as (1) combination of metal member and chemical treatment agent, (2) temperature and time of chemical treatment, and (3) post-treatment of the surface of the metal member after chemical treatment are advanced.
  • the metal member 24 exhibiting particularly excellent characteristics as a member used for the casing 10 of the pump 100 can be realized.
  • a surface treatment in which these factors are highly controlled for example, the glossiness, Ra, Rz, and specific surface area at the joint surface of the metal member 24 with the resin member 22 are in the numerical ranges as described above, and the cross section of the recess It becomes possible to make the shape as described above.
  • the surface treatment for the metal member 24 can be performed, for example, as follows. First, (1) a combination of the metal member 24 and the surface treatment agent is selected. When using the metal member 24 composed of iron or stainless steel, it is preferable to select an aqueous solution in which an inorganic acid, a chlorine ion source, a cupric ion source, and a thiol compound are combined as necessary. When using the metal member 24 composed of aluminum or an aluminum alloy, it is preferable to select an aqueous solution in which an alkali source, an amphoteric metal ion source, a nitrate ion source, and a thiol compound are combined as necessary.
  • an alkali source is used, and it is particularly preferable to select an aqueous solution of sodium hydroxide.
  • inorganic acids such as nitric acid and sulfuric acid
  • organic acids such as unsaturated carboxylic acids, persulfates, hydrogen peroxide, imidazole and derivatives thereof, tetrazole and derivatives thereof Azoles such as aminotetrazole and derivatives thereof, aminotriazole and derivatives thereof, pyridine derivatives, triazines, triazine derivatives, alkanolamines, alkylamine derivatives, polyalkylene glycols, sugar alcohols, cupric ion sources, chloride ion sources, phosphones It is preferable to select an aqueous solution using at least one selected from an acid chelating agent, an oxidizing agent, and N, N-bis (2-hydroxyethyl) -N
  • the metal member 24 is immersed in a surface treatment agent, and the surface of the metal member 24 is chemically treated.
  • the processing temperature is, for example, 30 ° C.
  • the treatment time is appropriately determined depending on the material and surface state of the metal member 24 to be selected, the type and concentration of the surface treatment agent, the treatment temperature, etc., and is, for example, 30 seconds to 300 seconds.
  • the etching amount of the metal member 24 in the depth direction is preferably 3 ⁇ m or more, more preferably 5 ⁇ m or more.
  • the etching amount in the depth direction of the metal member 24 can be evaluated by calculating from the weight, specific gravity and surface area of the dissolved metal member 24.
  • the etching amount in the depth direction can be adjusted by the type and concentration of the surface treatment agent, the treatment temperature, the treatment time, and the like.
  • (3) post-treatment is performed on the surface of the metal member 24 after chemical treatment.
  • the metal member surface is washed with water and dried.
  • the chemically treated metal member surface is treated with an aqueous nitric acid solution or the like.
  • the metal member 24 subjected to the surface treatment with the chemical solution can be obtained.
  • the resin member 22 is formed using a thermosetting resin composition.
  • the resin member 22 is formed by curing a thermosetting resin composition described later.
  • the resin member 22 for example, one having a specific gravity smaller than that of Al can be used.
  • the specific gravity of the resin member 22 is not particularly limited, but is preferably 2.6 g / cm 3 or less, for example, and preferably 2.0 g / cm 3 or less. Thereby, weight reduction of the pump 100 can be achieved.
  • the specific gravity of the resin member 22 can be measured in accordance with, for example, JIS K6911.
  • the specific gravity of the resin member 22 matches the specific gravity of the cured product of the thermosetting resin composition used to form the resin member 22.
  • the average value of the friction coefficient measured under the conditions of a pressure of 2 MPa, a test speed of 0.1 m / s, and a test time of 60 minutes using the JIS K7218 A method is 0. 55 or less.
  • the slidability with respect to the resin member 22 of the vane 32 can be improved more effectively. Therefore, it is possible to realize the pump 100 that is excellent in pump performance, driving efficiency, long-term durability, and the like.
  • the average value of the friction coefficients is more preferably 0.52 or less, and particularly preferably 0.50 or less.
  • the measurement of the friction coefficient is performed on the measurement sample by, for example, producing a measurement sample using the surface constituting the inner wall surface 12 of the housing 10 from the resin member 22 peeled off from the pump 100.
  • cylindrical S45C can be used as a counterpart material for measurement.
  • the resin member 22 has an average value of 200 ° C. from the measurement start 30 minutes to 60 minutes of the sample temperature measured using, for example, JIS K7218 A method under a pressure of 2 MPa, a test speed of 0.1 m / s, and a test time of 60 minutes. It is as follows. Thereby, the heat resistance of the pump 100 can be improved. Moreover, the slidability with respect to the resin member 22 of the vane 32 can be improved more effectively. For this reason, the pump 100 excellent in pump performance, drive efficiency, long-term durability, etc. can be realized. From the viewpoint of improving the pump performance, the average value of the sample temperature is more preferably 150 ° C. or less, and particularly preferably 120 ° C. or less.
  • the sample temperature is measured by, for example, preparing a measurement sample using the surface constituting the inner wall surface 12 of the housing 10 as a measurement surface from the resin member 22 peeled off from the pump 100, and performing this measurement on the measurement sample.
  • cylindrical S45C can be used as a counterpart material for measurement.
  • Resin member 22 has, for example, a thermal conductivity of 0.3 W / (m ⁇ K) or more. Thereby, the heat dissipation of the resin member 22 can be improved. For this reason, for example, heat such as friction heat generated inside can be easily radiated to the outside. From the viewpoint of improving heat dissipation, the thermal conductivity is more preferably 0.35 W / (m ⁇ K) or more.
  • the thermal conductivity is measured by, for example, preparing a measurement sample having a thickness of 2 mm from the resin member 22 peeled off from the pump 100, and measuring the thermal conductivity in the thickness direction of the measurement sample using a laser flash method. This can be done by measuring.
  • the friction coefficient, the sample temperature, and the thermal conductivity of the resin member 22 are the same as the types and blending ratios of the components of the thermosetting resin composition, and the method for manufacturing the housing 10 including the resin member 22. It is possible to control to the above numerical range by appropriately selecting.
  • As a manufacturing method of the housing 10, for example, adopting a manufacturing method illustrated in FIG. 4 described later is considered to be important from the viewpoint of controlling each characteristic of the resin member 22. The reason for this is not clear, but when the fibrous filler is included in the resin member 22, it is estimated as one of the factors that the orientation of the fibrous filler can be controlled.
  • thermosetting resin composition that forms the resin member 22 includes a thermosetting resin (A).
  • the thermosetting resin composition is, for example, in the form of powder or tablet.
  • the term “powdered” refers to a powdered form, a granular form, and a case containing both a powdery form and a granular form.
  • thermosetting resin (A) includes, for example, phenol resin, epoxy resin, unsaturated polyester resin, diallyl phthalate resin, melamine resin, oxetane resin, maleimide resin, urea (urea) resin, polyurethane resin, silicone resin, benzoxazine ring. 1 type or 2 types or more selected from resin to have, cyanate ester resin, etc. can be included.
  • the aspect containing the phenol resin which is excellent in heat resistance, workability, mechanical characteristics, electrical characteristics, adhesiveness, and wear resistance can be suitably employed.
  • the phenol resin is, for example, a novolak type phenolic resin such as a phenol novolak resin, a cresol novolak resin, a bisphenol A type novolak resin; One or two or more types selected from a resol type phenol resin such as a resol phenol resin; an aryl alkylene type phenol resin and the like can be included.
  • a novolak type phenolic resin such as a phenol novolak resin, a cresol novolak resin, a bisphenol A type novolak resin
  • a resol type phenol resin such as a resol phenol resin
  • an aryl alkylene type phenol resin and the like can be included.
  • the novolac type phenol It is more preferable to include at least one of a resin and a resol type phenol resin, and it is particularly preferable to include a novolac type phenol resin. Further, for example, an embodiment including both a novolac type phenol resin and a resol type phenol resin can also be adopted as one of preferable embodiments from the viewpoint of eliminating the curing agent described later.
  • hexamethylenetetramine can be used as a curing agent.
  • the content of hexamethylenetetramine is not particularly limited, for example, it is preferably 10 parts by mass or more and 25 parts by mass or less, and 13 parts by mass or more and 20 parts by mass or less with respect to 100 parts by mass of the novolac type phenol resin. More preferred.
  • the curing time at the time of molding can be shortened.
  • the external appearance of a molded article can be improved by making content of hexamethylenetetramine below the said upper limit.
  • the content of the thermosetting resin (A) is, for example, preferably 15% by mass or more, and more preferably 25% by mass or more with respect to the entire thermosetting resin composition. Thereby, the fluidity
  • the content of the thermosetting resin (A) is preferably 60% by mass or less, and more preferably 50% by mass or less, for example, with respect to the entire thermosetting resin composition. Thereby, the heat resistance and moisture resistance of the housing
  • a thermosetting resin composition can contain a filler (B), for example.
  • Filler (B) is, for example, graphite, fluorine resin such as polytetrafluoroethylene, clay, talc, calcium carbonate, zinc oxide, calcium silicate hydrate, mica, glass flake, glass powder, magnesium carbonate, silica, oxidation Titanium, alumina, aluminum hydroxide, magnesium hydroxide, barium sulfate, calcium sulfate, calcium sulfite, zinc borate, barium metaborate, aluminum borate, calcium borate, sodium borate, aluminum nitride, boron nitride, silicon nitride, And one or more selected from fibrous fillers.
  • the resin member 22 is selected from graphite, polytetrafluoroethylene, glass fiber, carbon fiber, and clay. It is more preferable to include one or two or more, and it is particularly preferable to include two or more of these.
  • the filler (B) functioning as a solid lubricant in the thermosetting resin composition from the viewpoint of improving slidability.
  • the filler (B) that functions as a solid lubricant include graphite, carbon fiber, and fluororesin such as polytetrafluoroethylene.
  • the content of the filler (B) is, for example, preferably 30% by mass or more, and more preferably 40% by mass or more with respect to the entire thermosetting resin composition. Thereby, the mechanical strength, heat resistance, moisture resistance, and slidability of the resin member 22 obtained using the thermosetting resin composition can be improved more effectively.
  • the content of the filler (B) is, for example, preferably 80% by mass or less, and more preferably 70% by mass or less, with respect to the entire thermosetting resin composition. Thereby, the fluidity
  • thermosetting resin composition can contain a coupling agent (C), for example.
  • a coupling agent (C) for example.
  • the adhesiveness of the resin member 22 and the metal member 24 can be improved.
  • the dispersibility of a filler (B) can be improved and it can contribute to the improvement of the mechanical strength of the resin member 22, etc.
  • the coupling agent (C) can include, for example, a silane coupling agent.
  • the silane coupling agent include epoxy group-containing alkoxysilane compounds such as ⁇ -glycidoxypropyltrimethoxysilane, ⁇ -glycidoxypropyltriethoxysilane, and ⁇ - (3,4-epoxycyclohexyl) ethyltrimethoxysilane; Mercapto group-containing alkoxysilane compounds such as ⁇ -mercaptopropyltrimethoxysilane and ⁇ -mercaptopropyltriethoxysilane; ⁇ -ureidopropyltriethoxysilane, ⁇ -ureidopropyltrimethoxysilane, ⁇ - (2-ureidoethyl) aminopropyl Ureido group-containing alkoxysilane compounds such as trimethoxysilane; ⁇ -isocyanatopropyltriethoxys
  • the content of the coupling agent (C) is, for example, preferably 0.01% by mass or more and 4% by mass or less, and more preferably 0.1% by mass or more and 1% by mass or less with respect to the entire thermosetting resin composition. It is more preferable. Thereby, it becomes possible to improve the adhesiveness of the resin member 22 and the metal member 24, and the mechanical strength of the resin member 22 more effectively.
  • the thermosetting resin composition can further contain a curing aid such as slaked lime or magnesium oxide.
  • a curing aid such as slaked lime or magnesium oxide.
  • the thermosetting resin composition is selected from, for example, elastomers, curing agents, release agents, pigments, flame retardants, weathering agents, antioxidants, plasticizers, lubricants, and foaming agents.
  • One or more additives may be further included.
  • the thermosetting resin composition can be obtained by mixing a mixture obtained by, for example, mixing the components uniformly, with a kneading apparatus alone such as a roll, a kneader, or a twin screw extruder, or with a roll and another kneading apparatus. After being melted and kneaded in a combination of the above, it can be cooled, granulated or pulverized, and further classified if necessary.
  • thermosetting resin composition for example, a cured film obtained by heating at 175 ° C. for 3 minutes has a thermal conductivity of 0.3 W / m ⁇ K or more. Thereby, it becomes easy to control the heat conductivity of the resin member 22 to a desired value, and it can contribute to the improvement of the heat dissipation of the resin member 22. From the viewpoint of improving the heat dissipation of the resin member 22, the thermal conductivity is more preferably 0.35 W / (m ⁇ K) or more.
  • a test piece having a thickness of 2 mm produced by molding a thermosetting resin composition under the conditions of an effective pressure of 20 MPa, a mold temperature of 175 ° C., and a curing time of 3 minutes using a compression molding machine
  • the thermal conductivity in the thickness direction measured using the laser flash method can be set as the thermal conductivity.
  • the thermal conductivity can be controlled, for example, by appropriately adjusting the type and blending ratio of each component of the thermosetting resin composition.
  • the housing 10 is manufactured.
  • the housing 10 is obtained by forming a resin member 22 by molding a thermosetting resin composition on a metal member 24 obtained by processing a metal material, for example.
  • Molding of the thermosetting resin composition is not particularly limited, and can be performed using, for example, an injection molding method, a transfer molding method, a compression molding method, an injection compression molding method, or the like.
  • FIG. 4 is a cross-sectional view illustrating an example of a method for manufacturing the pump 100 according to the present embodiment.
  • the housing 10 constituted by the resin-metal composite 20 can be formed, for example, by the manufacturing method shown in FIG. Thereby, as will be described later, each characteristic of the resin member 22 and the resin-metal composite 20 can be improved.
  • 4 schematically shows the structure of each member, and the structure of each member is not limited to that shown in FIG.
  • the manufacturing method shown in FIG. 4 is performed as follows, for example.
  • the metal member 24 is produced.
  • the metal member 24 can be produced by the method exemplified above.
  • a plurality of metal members 24 that are combined with each other to form one housing 10 are manufactured.
  • the plurality of metal members 24 and the resin member 22 are joined and integrated to form the housing 10. .
  • the molding die 3 shown in FIG. 4 (a) is prepared.
  • the molding die 3 according to this embodiment includes a second mold part 2 (upper mold) and a first mold part 1 (lower mold).
  • a molding space 66 in which the metal member 100 is arranged in a subsequent process is formed.
  • the second mold part 2 is inserted into the pot 60 for charging the thermosetting resin composition 68 before molding, and then inserted into the pot 60 to melt the thermosetting resin composition 68 under pressure.
  • a plunger 64 provided with an auxiliary ram and a sprue 62 for feeding the molten thermosetting resin composition 68 into the molding space 66 are provided.
  • the molding die 3 according to the present embodiment is a pot type transfer molding machine that does not include an auxiliary ram, even if it is applied to a plunger type transfer molding machine that includes an auxiliary ram as shown in FIG. It may be applied (not shown).
  • a plurality of metal members 24 are arranged in the molding space 66 of the molding die 3. Specifically, the first mold part 1 is lowered, and the plurality of metal members 24 are arranged without being fixed to a part corresponding to the molding space 66 in a state where the molding die 3 is opened. Thereby, when the molten thermosetting resin composition 68 is introduced into the molding space 66, the metal member 24 is moved to either the second mold part 2 or the first mold part 1 by the flow pressure of the introduced resin. Can be pressed against the wall surface (molding surface) of the mold member. In the present embodiment, each metal member 24 is pressed against the wall surface of the first mold part 1. For this reason, generation
  • the molding space 66 is filled with the thermosetting resin composition 68 as follows. First, the first mold part 1 is raised, the first mold part 1 and the second mold part 2 are clamped, and the molding die 3 is closed. The resin composition 68 is charged. Although the property of the thermosetting resin composition 68 before molding is not particularly limited, it may remain in a granular form, may be molded into a tablet shape, or is preheated by a preheater or the like in advance. It may be in a semi-molten state. Next, in order to melt the thermosetting resin composition 68 charged in the pot 60, a pressure is applied to the thermosetting resin composition 68 by inserting a plunger 64 having an auxiliary ram into the pot 60.
  • thermosetting resin composition 68 is introduced into the molding space 66 through the sprue 62.
  • the thermosetting resin composition 68 introduced into the molding space 66 flows in the direction indicated by the dotted line shown in FIG.
  • the metal member 24 is pressed against the first mold part 1 by the flow pressure of the thermosetting resin composition 68, and the metal member 24 is apparently fixed to the wall surface of the first mold part 1.
  • Can do. The melting of the thermosetting resin composition 68 in the pot 60 and the introduction and filling of the molten thermosetting resin composition 68 into the molding space 66 are performed simultaneously.
  • thermosetting resin composition 68 filled in the molding space 66 is cured by heating and pressing.
  • cured material of the thermosetting resin composition 68 will be formed.
  • the resin member 22 is formed, and the resin member 22 and the metal member 24 are joined to each other to form the resin-metal composite 20, thereby forming the housing 10.
  • the thermosetting resin composition 68 introduced into the molding space 66 proceeds in one direction without flowing back. As a result, the slidability, thermal conductivity, strength, and durability of the resin member 22 and the thermal conductivity, strength, and durability of the resin metal composite 20 can be improved.
  • thermosetting resin composition 68 when a fibrous filler is contained in the thermosetting resin composition 68, the thermosetting resin composition 68 is allowed to proceed in one direction without backflow. It is estimated that one of the factors is that the orientation of the fibrous filler in the cured resin member 22 can be controlled uniformly.
  • thermosetting resin composition 68 it is more preferable to introduce the molten thermosetting resin composition 68 into the molding space 66 after degassing the molding space 66. preferable. Thereby, possibility that a void will arise in the resin member 22 can be reduced. For this reason, the resin metal composite 20 which is further excellent in thermal conductivity and mechanical strength can be obtained.
  • thermosetting resin composition 68 is cured, the molding die 3 is opened to obtain a resin-metal composite 20 having a good quality in which the generation of burrs can be suppressed.
  • the cured product (cal) of the thermosetting resin composition 68 remaining in the pot 60 and the cured product in the sprue 62 are pulled up by the plunger 64 before opening the molding die 3, thereby forming the resin-metal composite 20.
  • the housing 10 constituted by the resin-metal composite 20 can be formed in this manner.
  • the rotor 30 having the vane grooves 34 and the vanes 32 disposed in the vane grooves 34 are accommodated in the housing 10.
  • the vane 32 is disposed so that the vane 32 is in sliding contact with the portion of the inner wall surface 12 of the housing 10 formed by the resin member 22.
  • the cover 50 is attached to the housing 10.
  • the pump 100 is manufactured in this manner.
  • thermosetting resin composition 34.3% by mass of novolac-type phenolic resin (PR-51305, manufactured by Sumitomo Bakelite Co., Ltd.), 6.0% by mass of hexamethylenetetramine, glass fiber (manufactured by Nitto Boseki Co., Ltd., average particle size: 11 ⁇ m, average) Major axis: 3 mm, average aspect ratio: 270) 57.1% by mass, magnesium oxide (manufactured by Kamishima Chemical Co., Ltd.) 0.5% by mass, ⁇ -aminopropyltriethoxysilane (manufactured by Shin-Etsu Chemical Co., Ltd.) ) 0.2% by mass and 1.8% by mass of other components such as a lubricant are each dry-mixed, melted and kneaded with a heating roll at 90 ° C., cooled into a sheet, and pulverized Thus, a granular thermosetting resin composition 34.3% by mass of novolac
  • the aluminum alloy member was immersed and swung in the obtained aqueous solution (30 ° C.), and dissolved in the depth direction by 15 ⁇ m (calculated from the reduced weight of aluminum). Subsequently, it was washed with water, immersed in a 35% by mass nitric acid aqueous solution (30 ° C.) and rocked for 20 seconds. Then, it washed with water and dried and obtained the two metal members for cases which consist of the said aluminum alloy member.
  • casing comprised by the resin metal composite was produced using the obtained said thermosetting resin composition and the said metal member for housing
  • thermosetting resin composition was molded under conditions of an injection pressure of 6.9 MPa, a mold temperature of 175 ° C., and a curing time of 120 seconds.
  • casing was obtained.
  • the inner side including an inner wall face was comprised by the resin member (thickness 3mm), and the outer side containing an outer wall surface was comprised by the metal member for cases (thickness 3mm).
  • the obtained casing is hollow inside, one end side is opened, and a through hole serving as a bearing portion for fixing the rotor shaft is provided on the other end side. It was a substantially elliptical column shape.
  • a rotor having a vane as a sliding contact member was rotatably arranged in the casing obtained above.
  • the vane and the rotor were arranged so that the vane was in sliding contact with the portion of the inner wall surface of the housing that was formed by the resin member.
  • casing among vanes was comprised by the aluminum die-casting.
  • the cover was fixed to one end side of the substantially elliptical columnar casing. As a result, a pump was obtained.
  • casing was image
  • the said joint surface was roughened and it had several recessed part in the said joint surface.
  • the cross-sectional shape of some of the recesses has a shape in which at least a part from the opening to the bottom of the recess has a cross-sectional width larger than the cross-sectional width of the opening.
  • Glossiness of the surface of the metal member for the case is measured using a digital gloss meter (20 °, 60 °) (GM-26, manufactured by Murakami Color Research Laboratory) in accordance with ASTM-D523. Measurements were made at 60 ° (incident angle 60 °, reflection angle 60 °). The glossiness of the casing metal member was 10.
  • the metal member for housing was vacuum-dried at 120 ° C. for 6 hours, and then the nitrogen adsorption / desorption amount at the liquid nitrogen temperature was measured using an automatic specific surface area / pore distribution measuring device (BELSORPmini II, manufactured by Nippon Bell Co., Ltd.).
  • BELSORPmini II automatic specific surface area / pore distribution measuring device
  • the actual surface area by the nitrogen adsorption BET method was calculated from the BET plot.
  • the specific surface area was calculated by dividing the actual surface area measured by the nitrogen adsorption BET method by the apparent surface area.
  • the specific surface area of the casing metal member was 270.
  • thermosetting resin composition 35.1% by mass of novolac type phenolic resin (PR-51305, manufactured by Sumitomo Bakelite Co., Ltd.), 4.9% by mass of hexamethylenetetramine, 57.9% by mass of graphite (manufactured by Nishimura Graphite Co., Ltd.), oxidized 0.4% by mass of magnesium (manufactured by Kamishima Chemical Co., Ltd.), 0.7% by mass of slaked lime (manufactured by Chichibu Lime Industry Co., Ltd.), and 1.1% by mass of other components such as a lubricant, respectively.
  • the mixture was dry-mixed, melted and kneaded with a heating roll at 90 ° C., cooled into a sheet, and pulverized to obtain a granular thermosetting resin composition.
  • thermosetting resin composition 10.7% by mass of novolac type phenolic resin (PR-51305, manufactured by Sumitomo Bakelite Co., Ltd.), 25.3% by mass of resol type phenolic resin, and 1.8% by mass of slaked lime (manufactured by Chichibu Lime Industry Co., Ltd.) , 53.5% by mass of glass fiber (manufactured by Nittobo Co., Ltd., average particle size: 11 ⁇ m, average major axis: 3 mm, average aspect ratio: 270), 4.9% by mass of clay (manufactured by Engel Heart), 0.5% by mass of ⁇ -aminopropyltriethoxysilane (manufactured by Shin-Etsu Chemical Co., Ltd.) and 3.3% by mass of other components such as a lubricant were each dry-mixed and heated at 90 ° C. The mixture was melt-kneaded and crushed and cooled to obtain
  • a molar ratio (F / P) 1.7 of phenol (P) and formaldehyde (F) in a reaction kettle equipped with a reflux condenser agitator, a heating device, and a vacuum dehydration device. Then, 0.5 parts by weight of zinc acetate is added to 100 parts by weight of phenol, the pH of the reaction system is adjusted to 5.5, and the refluxing reaction is performed for 3 hours. Thereafter, the degree of vacuum is 100 Torr, the temperature Steam-distilled at 100 ° C. for 2 hours to remove unreacted phenol, and further reacted at a vacuum of 100 Torr and a temperature of 115 ° C. for 1 hour, and having a number average molecular weight of 800 dimethylene ether type (solid ) Was used as the main component.
  • thermosetting resin composition 34.0% by mass of novolac type phenol resin (PR-51305, manufactured by Sumitomo Bakelite Co., Ltd.), 6.0% by mass of hexamethylenetetramine, 21.0% by mass of graphite (manufactured by Nishimura Graphite Co., Ltd.), carbon 30.0% by mass of fiber (manufactured by Zoltech), 1.5% by mass of magnesium oxide (manufactured by Kamishima Chemical Co., Ltd.), and 7.5% by mass of other components such as lubricants were dry mixed. These were melt-kneaded with a heating roll at 90 ° C., crushed and cooled to obtain a granular thermosetting resin composition.
  • the portion of the vane that is in sliding contact with the inner wall surface of the casing is constituted by aluminum die casting.
  • the cover was fixed to one end side of the substantially elliptical columnar casing. As a result, a pump was obtained.
  • the thermal conductivity (W / (m * K)) of the obtained resin member was measured as follows. First, the resin member was peeled off from the pump obtained above, and a measurement sample (10 mm ⁇ 10 mm ⁇ 2 mm thick square plate test piece) was produced from this resin member. Subsequently, the thermal conductivity of the thickness direction was measured about the obtained measurement sample using the laser flash method, and this was made into the thermal conductivity of the resin member.
  • the performance evaluation of the pump was performed as follows, respectively. First, the pump obtained above was driven for 1000 hours. Next, the temperature of the pump after driving for 1000 hours was measured. Here, the temperature rise value is calculated by driving for 1000 hours, the temperature rise value is 100 ° C. or less as ⁇ , the one exceeding 100 ° C. and 150 ° C. or less as ⁇ , and the one exceeding 150 ° C. as x. Evaluation was performed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

L'invention porte sur une pompe, qui comprend un composite résine-métal (20) formé par la réunion d'un élément métallique (24) et d'un élément en résine (22), qui est formé à l'aide d'une composition de résine thermodurcissable. La pompe comporte un boîtier (10) ayant une surface de paroi interne (12), dont au moins une partie comprend l'élément en résine (22) ; et un élément de contact de coulissement reçu à l'intérieur du boîtier (10), et en contact de coulissement avec la partie de la surface de paroi interne (12) qui comprend l'élément en résine (22).
PCT/JP2015/060337 2014-04-16 2015-04-01 Pompe et composition de résine WO2015159715A1 (fr)

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JP2014084267A JP6413312B2 (ja) 2014-04-16 2014-04-16 ポンプ、および樹脂組成物
JP2014-084267 2014-04-16

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Publication number Priority date Publication date Assignee Title
CN109737062A (zh) * 2019-01-21 2019-05-10 中北大学 一种采用自动平衡转子组的并联四缸滑阀泵
US10337510B2 (en) 2017-02-03 2019-07-02 Ford Global Technologies, Llc Wear-resistant coating for oil pump cavity
WO2022185601A1 (fr) * 2021-03-05 2022-09-09 住友ベークライト株式会社 Composition de résine thermodurcissable pour élément coulissant, produit durci formé à partir de ladite composition et son utilisation
US20220403841A1 (en) * 2019-12-24 2022-12-22 Sumitomo Electric Sintered Alloy, Ltd. Rotary pump

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JPS4973010U (fr) * 1972-10-06 1974-06-25
JPH03215027A (ja) * 1990-01-19 1991-09-20 Matsushita Electric Ind Co Ltd 塗装物及び塗装用下地表面調整方法
US5638600A (en) * 1994-10-07 1997-06-17 Ford Motor Company Method of making an efficiency enhanced fluid pump or compressor
JP2005307902A (ja) * 2004-04-23 2005-11-04 Matsushita Electric Ind Co Ltd ベーンロータリ型真空ポンプ
JP2012062763A (ja) * 2010-09-14 2012-03-29 Taiho Kogyo Co Ltd ロータリ型圧縮機

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JPH0788823B2 (ja) * 1985-06-21 1995-09-27 株式会社日立製作所 スクロール圧縮機
JP2000145661A (ja) * 1998-11-05 2000-05-26 Koyo Seiko Co Ltd ギヤポンプ

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Publication number Priority date Publication date Assignee Title
JPS4973010U (fr) * 1972-10-06 1974-06-25
JPH03215027A (ja) * 1990-01-19 1991-09-20 Matsushita Electric Ind Co Ltd 塗装物及び塗装用下地表面調整方法
US5638600A (en) * 1994-10-07 1997-06-17 Ford Motor Company Method of making an efficiency enhanced fluid pump or compressor
JP2005307902A (ja) * 2004-04-23 2005-11-04 Matsushita Electric Ind Co Ltd ベーンロータリ型真空ポンプ
JP2012062763A (ja) * 2010-09-14 2012-03-29 Taiho Kogyo Co Ltd ロータリ型圧縮機

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10337510B2 (en) 2017-02-03 2019-07-02 Ford Global Technologies, Llc Wear-resistant coating for oil pump cavity
CN109737062A (zh) * 2019-01-21 2019-05-10 中北大学 一种采用自动平衡转子组的并联四缸滑阀泵
CN109737062B (zh) * 2019-01-21 2024-04-16 中北大学 一种采用自动平衡转子组的并联四缸滑阀泵
US20220403841A1 (en) * 2019-12-24 2022-12-22 Sumitomo Electric Sintered Alloy, Ltd. Rotary pump
WO2022185601A1 (fr) * 2021-03-05 2022-09-09 住友ベークライト株式会社 Composition de résine thermodurcissable pour élément coulissant, produit durci formé à partir de ladite composition et son utilisation
JP7168128B1 (ja) * 2021-03-05 2022-11-09 住友ベークライト株式会社 摺動部材用熱硬化性樹脂組成物、当該組成物からなる硬化物およびその用途

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