CN105171540A - Internal grinding tool for bush of oil-gas transport pump - Google Patents
Internal grinding tool for bush of oil-gas transport pump Download PDFInfo
- Publication number
- CN105171540A CN105171540A CN201510613330.2A CN201510613330A CN105171540A CN 105171540 A CN105171540 A CN 105171540A CN 201510613330 A CN201510613330 A CN 201510613330A CN 105171540 A CN105171540 A CN 105171540A
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- China
- Prior art keywords
- ring flange
- lining
- face
- locating piece
- oil
- Prior art date
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- Granted
Links
- 238000000227 grinding Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 claims description 32
- 238000009413 insulation Methods 0.000 claims description 12
- 238000010791 quenching Methods 0.000 claims description 12
- 230000000171 quenching effect Effects 0.000 claims description 12
- 229910001339 C alloy Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000003607 modifier Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005255 carburizing Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000002283 diesel fuel Substances 0.000 claims description 4
- 238000005242 forging Methods 0.000 claims description 3
- 230000012447 hatching Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000007115 recruitment Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000004807 localization Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 13
- 238000001816 cooling Methods 0.000 description 9
- 239000007921 spray Substances 0.000 description 9
- 238000010583 slow cooling Methods 0.000 description 5
- -1 imidazoline oleate class Chemical class 0.000 description 4
- 229910009043 WC-Co Inorganic materials 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 239000002199 base oil Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229920002367 Polyisobutene Polymers 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
Abstract
The invention particularly relates to an internal grinding tool for a bush of an oil-gas transport pump. The internal grinding tool is capable of achieving the clamping function conveniently, accurate in localization, high in machining efficiency and good in machining quality. The tool comprises a flange plate. One end face of the flange plate makes contact with the end face of a grinding machine spindle. The other end face of the flange plate makes contact with a cylinder composed of a locating block and a balancing weight. An inner hole in the axial direction of the flange plate is formed in the other end face of the locating block. The bottom face of the inner hole makes contact with one end face of a corrective gauge. The other end of the corrective gauge makes contact with a shaft shoulder arranged on the corrective gauge. The side face of the inner hole makes contact with the outer side face of the bush. The inner side face of the bush makes contact with the arc face on the outer side face of the corrective gauge. The flange plate and the grinding machine spindle are matched tightly so as to guarantee the coaxiality of the tool and the grinding machine spindle. The installation accuracy of the bush and the coaxiality of the outer circle and the inner circle are guaranteed through the corrective gauge. The balancing weight guarantees that the rotary gravity center and the axis of the grinding machine spindle coincide with each other when the tool and the bush are rotated.
Description
Technical field
The invention belongs to mechanical processing technique equipment, be specifically related to a kind of oil and gas multiphase flow pump bushing internal grinding frock.
Background technology
Oil vapour mixing pump operating condition is severe, containing complex materials such as crude oil, gas, the grains of sand in pumped (conveying) medium, and containing multiple corrosive elements in crude oil.This just requires that oil-gas mixed delivery pump has good wear-resisting, decay resistance, especially the vital part lining of mixing pump, if lining adopts the anti-corrosion material of high rigidity, then following process difficulty, percent defective is high.
In prior art CN20140291269, internal grinding frock comprises chuck and fixed disk, chuck is hollow cylindrical structure, inner space holds bearing ring and positions bearing ring fastening, but bearing ring cylindrical center and grinding machine spindle center are difficult to adjust axiality, cannot ensure the axiality of the inside and outside circle of bearing ring.Frock in prior art CN201420178799 realizes the processing of lining by engine lathe or boring machine, this frock comprises mould bases, knife rest is provided with below mould bases, knife rest is provided with the adpting flange for connecting knife rest and mould bases, mould bases is provided with one group of bearing shell, be provided with the boring bar matched with bearing shell in bearing shell, boring bar is fixed with boring cutter.Boring cutter and boring bar are followed together with lathe spindle and are rotated, and the mould bases on knife rest and knife rest slowly moves forward, and workpiece also and then moves together, produces relative displacement, thus reach processing object with the position of boring cutter.This frock can to keep in process lining to stablize, but can be asymmetric because of structure when main axis followed by boring cutter and boring bar, makes frock in rotary course, rotate instability, and cannot adjust hole site in lining during this frock mounting bush, easily cause alignment error.
Summary of the invention
The object of this invention is to provide and a kind ofly clamp convenience, accurate positioning, working (machining) efficiency is high, crudy is good oil and gas multiphase flow pump bushing internal grinding frock.
For achieving the above object, the technical solution adopted in the present invention is: a kind of oil and gas multiphase flow pump bushing internal grinding frock, comprise ring flange, an end face of described ring flange and grinding machine spindle end contact, described ring flange is axially fixedly connected with grinding machine spindle along it;
The cylindrical end contact that the other end of described ring flange and locating piece, balancing weight form, the end face that the cylinder that described ring flange forms with locating piece, balancing weight contacts with each other is provided with the seam matched; The other end of described locating piece has the endoporus along ring flange axis; The bottom surface of described endoporus and an end contact of corrective gauge, the other end of described corrective gauge contacts with the shaft shoulder that axis calibration is arranged;
Described endoporus side contacts with the lateral surface of lining, and the lateral surface of described lining one end is provided with step, and described step end face and locating piece are away from the end contact of ring flange, and the medial surface of described lining contacts with the arc surface on corrective gauge lateral surface;
Described balancing weight, locating piece are fixedly connected with along the axis of ring flange with ring flange; One end that described axis calibration is arranging the shaft shoulder is provided with external screw thread, and described axis calibration passes the through hole that corrective gauge, locating piece are offered with externally threaded one end, and the interior formation of the screwed hole inserting ring flange relevant position is threaded.
Preferably, described balancing weight, locating piece are bolted to connection along the axis of ring flange and ring flange; Described axis calibration to form with corrective gauge, locating piece along the axis of ring flange and is threaded.
Preferably, described balancing weight is provided with counterweight screw rod away from one end of ring flange, described counterweight screw rod overlaps the counterweight nut having weight, size different.
Preferably, described axis calibration is provided with hatching knurling away from the other end sidewall of ring flange.
Preferably, outside described frock, cover has cylindrical shape protective cover.
The present invention has following beneficial effect: ring flange coordinates with grinding machine spindle closely, ensures frock and grinding machine spindle axiality.Excircle of bushing is enclosed within location-plate endoporus, uses corrective gauge to correct lining inner circle relative position, ensure the installation accuracy of lining and the axiality of cylindrical and inner circle.Balancing weight is set, ensures rotation center of gravity when frock and lining rotate and grinding machine spindle dead in line, improve rotational stabilization, ensure machining accuracy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cross section view A-A of Fig. 1.
Detailed description of the invention
As shown in Figure 1, 2, oil and gas multiphase flow pump bushing internal grinding frock, comprise ring flange 2, an end face of described ring flange 2 and grinding machine spindle end contact, described ring flange 2 is fixedly connected with along between its axis with grinding machine spindle 1 by the first bolt group 12, or the mode such as alignment pin, rivet also can be used to be fixedly connected with, to ensure that ring flange 2 meets the demands with the axiality of grinding machine spindle 1.
As shown in Figure 2, the cylindrical end contact that the other end of described ring flange 2 and locating piece 3, balancing weight 5 form, the end face that the cylinder that described ring flange 2 forms with locating piece 3, balancing weight 5 contacts with each other is provided with the seam 17 matched, and can facilitate locating piece 3 like this, installation between balancing weight 5 and ring flange 2 locates.Locating piece 3, balancing weight 5 monnolithic case are cylindric, fit together perfectly between the two, and coordinate counterweight to adjust, and ensure that revolution steadily.Described locating piece 3, along the axis of ring flange 2, is fixedly connected with by one or more second connecting bolt 11 with between ring flange 2.Described balancing weight 5, along the axis of ring flange 2, is fixedly connected with by one or more 3rd bolt 14 with between ring flange 2.Also the mode such as alignment pin, rivet can be used to be fixedly connected with.Rotation center of gravity when described balancing weight 5 can make frock and lining 4 rotate and the rotation axis coincident of grinding machine spindle 1, improve smooth rotation.Be more preferably: described balancing weight 5 is provided with counterweight screw rod 51 away from one end of ring flange 2, on described counterweight screw rod 1, cover has multiple counterweight nut 52, and the counterweight nut 52 that multiple weight, size are different forms one group; Just be similar to one group of counterweight of balance, can any counterweight demand of combinations matches, and facilitate counterweight to adjust.
The other end of described locating piece 3 has the endoporus along ring flange 2 axis; The bottom surface of described endoporus and an end contact of corrective gauge 13, the other end of described corrective gauge 13 contacts with the shaft shoulder that axis calibration 6 is arranged; Described axis calibration 6 is fixedly connected with along the axis of ring flange 2 with between corrective gauge 13, locating piece 3.Namely the profile of endoporus hole shape and lining 4 is coincide, for positioning adapter 4.Lining 4 shown in Fig. 2 is circular, then endoporus is also circular; If lining 4 profile is 8-shaped, then endoporus is also corresponding 8-shaped.One end that axis calibration 6 is arranging the shaft shoulder is provided with external screw thread, described axis calibration 6 passes the through hole that corrective gauge 13, locating piece 3 are offered with externally threaded one end, and insert in the screwed hole of ring flange 2 relevant position, the end face that corrective gauge 13, locating piece 3, ring flange 2 are contacted with each other is close to fixing; Also can be that keyway and key are set, axis calibration 6, corrective gauge 13, locating piece 3 are fixed connection.Described axis calibration 6 is provided with hatching knurling away from the other end sidewall of ring flange 2, is convenient to unscrew axis calibration 6.
The endoporus side of described locating piece 3 contacts with the lateral surface of lining 4, the lateral surface of described lining 4 one end is provided with step, described step end face and locating piece 3 are away from the end contact of ring flange 2, described lining 4 is fixedly connected with by the 5th bolt 15 along ring flange 2 axial direction with between locating piece 3, also the mode such as alignment pin, rivet can be used to be fixedly connected with, to ensure that lining 4 is fixed on locating piece 3.Described lining 4 is along ring flange 2 radial direction, and an inner circle side away from its center contacts with the arc surface 16 on corrective gauge 13 lateral surface.And the angle that axis calibration 6 adjusts corrective gauge 13 can be unclamped, the inner circle of the lining 4 at ring flange 2 axle center place and the axiality of grinding machine spindle 1 are met the demands, and ensures that the inner circle of lining 4 and the axiality of cylindrical meet the demands.
When using, ring flange 2 is fixedly connected with grinding machine spindle 1, locating piece 3, balancing weight 4 are fixedly connected with ring flange 2, then lining 4 put into the endoporus of locating piece 3 and be fixedly connected with it.Be arranged in the endoporus of locating piece 3 by axis calibration 6, corrective gauge 13 again, the arc surface 16 of adjustment corrective gauge 13, makes itself and lining 4 along ring flange 2 radial direction, away from an inner circle contacts side surfaces at its center.Manual rotation grinding machine spindle, observes stationarity when frock rotates, if steadily then size, the counterweight nut 62 that varies in weight not being installed on counterweight screw rod 51, and the rotational stabilization of adjustment frock.
Grinding machine spindle 1 drives frock High Rotation Speed, knife rest 8 drive high strength grinding wheel 7 along lining 4 inner circle axial, move radially, grinding is carried out to an inner circle side of lining 4.By frock clamping lining 4, process is steadily carried out, and size and the form and position tolerance of lining 4 inner circle can effectively be ensured.After processing an inner circle side of lining 4, corrective gauge 13, axis calibration 6 are taken out in the air in locating piece 3, remove lining 4 and being fixedly connected with between locating piece 3, and circumferentially being rotated 180 ° of loading locating pieces 3 along lining 4, be fixedly connected with locating piece 3 by lining 4, corrective gauge 13, axis calibration 6 load in the endoporus of locating piece 3, the arc surface 16 of adjustment corrective gauge 13, make another inner circle contacts side surfaces of itself and lining 4, namely can rotating grinding bed main shaft 1, processing is continued to lining 4.
Add man-hour, can overlap outside described frock has cylindrical shape protective cover 9, and described protective cover 9 can use aluminum alloy materials to make, and the nonmetallic materials such as PVC also can be used to make, and described protective cover 9 can effectively prevent the waste material produced in grinding process from splashing.
Above-mentioned frock is used for the processing of lining fine grinding.This lining and the whole process of screw rod that coordinates with lining be such as:
Embodiment one
Screw rod procedure of processing:
1). adopt medium carbon alloy steel 38CrMoAl, first carry out modifier treatment, to improve the overall mechanical properties of screw rod;
2). on Digit Control Machine Tool, carry out roughing and semifinishing;
3). screw rod carries out correcting and Balance Treatment;
4). screw rod working surface carries out hardening heat process; Hardening heat process is that screw rod outer round surface is carried out plasma spray process; Plasma spray treatment step comprises: screw rod is preheated to 300 DEG C, then sprays WC-Co powder, remelting; Remelting temperature controls between solidus and liquidus curve; Then carry out utilizing electric furnace slow cooling process, controlled cooling model process more than 24 hours, normal temperature discharging;
5). screw rod working surface carries out fine grinding processing, makes size and positional precision reach designing requirement.
Surface of the work hardness measured value reaches HRC66.
Embodiment two
Lining procedure of processing comprises:
1). lining adopts low-carbon alloy steel 20CrMnTi, carries out roughing after forging molding;
2). then carry out modifier treatment, to improve the overall mechanical properties of lining;
3). on lathe, carry out semifinishing after modified;
4). be heated to 930 DEG C after lining semifinishing, gas carburizing process 7 ~ 9h is carried out in insulation; And to control carburized (case) depth be 0.8 ~ 1.2mm, stove is cheated cold after being as cold as 870 DEG C; Then be heated to 880 DEG C, insulation 30min carries out Quenching Treatment, then cools with light diesel fuel; Then be heated to 190 DEG C, insulation 240min tempering; Hardening media is water or quenching oil;
5). lining working surface carries out fine grinding processing, and size and positional precision all reach Design Requirement Drawing.
Surface of the work hardness measured value reaches HRC66.5.
Embodiment three
Screw rod procedure of processing:
1). adopt medium carbon alloy steel 38CrMoAl, first carry out modifier treatment, to improve the overall mechanical properties of screw rod;
2). on Digit Control Machine Tool, carry out roughing and semifinishing.
3). screw rod carries out correcting and Balance Treatment.
4). screw rod working surface carries out hardening heat process, and hardening heat process is that screw rod outer round surface is carried out plasma spray process; Plasma spray treatment step comprises: screw rod is preheated to 320 DEG C, then sprays WC-Co powder, remelting; Remelting temperature controls between solidus and liquidus curve; Then sharp slow cooling process is carried out;
5). screw rod working surface carries out fine grinding processing, makes size and positional precision reach designing requirement.
Described step 4) in slow cooling adopt quenching oil, by front 3h cooling per hour 100 DEG C, then cooling per hour 50 DEG C, after temperature arrives 300 DEG C, the cooling of the speed of cooling per hour 10 DEG C; Temperature is reduced to 150 DEG C with bottom discharge, and the whole temperature-fall period time is not less than 30 hours.
Described quenching oil consists of: 500N bis-class base oil 88 parts, the polyisobutene of low-molecular-weight 1000 ~ 3000 urge cryogen 8 parts, imidazoline oleate class brightener 1 part, HMW phenolic ester kind antioxidant 3 parts.
The preparation method of quenching oil used is comparatively conventional, is added by base oil in reactor and heats up 60 DEG C, then add and urge cryogen, brightener, antioxidant, maintain the temperature at 60 DEG C, through stirring 2 hours, more after filtration and get final product.
The screw surface hardness measured value processed reaches HRC68.
Embodiment four
Lining procedure of processing comprises:
1). lining adopts low-carbon alloy steel 20CrMnTi, carries out roughing after forging molding.
2). then carry out modifier treatment, to improve the overall mechanical properties of lining.
3). on lathe, carry out semifinishing after modified.
4). the workpiece heat to 930 DEG C after semifinishing, gas carburizing process 7 ~ 9h is carried out in insulation; And to control carburized (case) depth be 0.8 ~ 1.2mm, stove is cheated cold after being as cold as 870 DEG C; Then be heated to 880 DEG C, insulation 30min carries out Quenching Treatment, then cools with light diesel fuel; Then be heated to 200 DEG C, insulation 250min tempering;
Hardening media used is identical with the quenching oil in annealing process described in embodiment three.
5). lining working surface carries out fine grinding processing, and size and positional precision all reach Design Requirement Drawing.
The screw surface hardness measured value processed reaches HRC68.
Embodiment five
Screw rod procedure of processing:
1). adopt medium carbon alloy steel 38CrMoAl, first carry out modifier treatment, to improve the overall mechanical properties of screw rod;
2). on Digit Control Machine Tool, carry out roughing and semifinishing.
3). screw rod carries out correcting and Balance Treatment.
4). screw rod working surface carries out hardening heat process, and hardening heat process is that screw rod outer round surface is carried out plasma spray process; Plasma spray treatment step comprises: screw rod is preheated to 320 DEG C, then sprays WC-Co powder, remelting; Remelting temperature controls between solidus and liquidus curve; Then sharp slow cooling process is carried out;
5). screw rod working surface carries out fine grinding processing, makes size and positional precision reach designing requirement.
Described step 4) in slow cooling adopt quenching oil, by front 3h cooling per hour 100 DEG C, then cooling per hour 50 DEG C, after temperature arrives 300 DEG C, the cooling of the speed of cooling per hour 10 DEG C; Temperature is reduced to 150 DEG C with bottom discharge, and the whole temperature-fall period time is not less than 30 hours.
Described quenching oil consists of: 500N bis-class base oil 95 parts, the polyisobutene of low-molecular-weight 1000 ~ 3000 urge cryogen 5 parts, imidazoline oleate class brightener 3.5 parts, HMW phenolic ester kind antioxidant 2.5 parts.Preparation method is identical with embodiment three.
The screw surface hardness measured value processed reaches HRC68.
Claims (8)
1. an oil and gas multiphase flow pump bushing internal grinding frock, comprise ring flange (2), an end face of described ring flange (2) and grinding machine spindle end contact, described ring flange (2) is axially fixedly connected with grinding machine spindle (1) along it;
It is characterized in that: the cylindrical end contact that other end and locating piece (3), the balancing weight (5) of described ring flange (2) form, the end face that the cylinder that described ring flange (2) forms with locating piece (3), balancing weight (5) contacts with each other is provided with the seam (17) matched; The other end of described locating piece (3) has along the axial endoporus of ring flange (2); One end contact of the bottom surface of described endoporus and corrective gauge (13), the other end of described corrective gauge (13) contacts with the upper shaft shoulder arranged of axis calibration (6);
Described endoporus side contacts with the lateral surface of lining (4), the lateral surface of described lining (4) one end is provided with step, described step end face and locating piece (3) are away from the end contact of ring flange (2), and the medial surface of described lining (4) contacts with the arc surface (16) on corrective gauge (13) lateral surface;
Described balancing weight (5), locating piece (3) are fixedly connected with along the axis of ring flange (2) with ring flange (2); Described axis calibration (6) is fixedly connected with along the axis of ring flange (2) with corrective gauge (13), locating piece (3).
2. a kind of oil and gas multiphase flow pump bushing internal grinding frock according to claim 1, is characterized in that: described balancing weight (5), locating piece (3) are bolted to connection along the axis of ring flange (2) and ring flange (2); Described axis calibration one end that (6) are arranging the shaft shoulder is provided with external screw thread, described axis calibration (6) passes the through hole that corrective gauge (13), locating piece (3) are offered with externally threaded one end, and the interior formation of the screwed hole inserting ring flange (2) relevant position is threaded.
3. a kind of oil and gas multiphase flow pump bushing internal grinding frock according to claim 1, it is characterized in that: described balancing weight (5) is provided with counterweight screw rod (51) away from one end of ring flange (2), described counterweight screw rod (51) above overlaps the counterweight nut (52) having weight, size different.
4. a kind of oil and gas multiphase flow pump bushing internal grinding frock according to claim 1, is characterized in that: described axis calibration (6) is provided with hatching knurling away from the other end sidewall of ring flange (2).
5. a kind of oil and gas multiphase flow pump bushing internal grinding frock according to claim 1, is characterized in that: outside described frock, cover has cylindrical shape protective cover (9).
6., according to the application process of a kind of oil and gas multiphase flow pump bushing internal grinding frock in claim 1 to 5 described in any one, step is:
1). lining adopts low-carbon alloy steel, carries out roughing after forging molding;
2). then carry out modifier treatment;
3). on lathe, carry out semifinishing after modified;
4). the laggard row gas carburizing of semifinishing, quenching, temper;
5). lining working surface carries out fine grinding processing, and size and positional precision all reach Design Requirement Drawing;
Lining is fixed to lining internal grinding recruitment and loads onto and carry out by described lining fine grinding processing.
7. application process according to claim 6, is characterized in that: lining workpiece heat to 910 ~ 960 DEG C after described semifinishing, and gas carburizing process 7 ~ 9h is carried out in insulation; And to control carburized (case) depth be 0.8 ~ 1.2mm, stove is cheated cold after being as cold as 850 ~ 900 DEG C; Then be heated to 880 DEG C ± 10 DEG C, insulation 20 ~ 50min carries out Quenching Treatment, then cools with light diesel fuel; Then be heated to 190 DEG C ± 10 DEG C, insulation 200 ~ 300min carries out temper.
8. application process according to claim 7, is characterized in that: the lining workpiece heat to 930 DEG C after described semifinishing, and gas carburizing process 7 ~ 9h is carried out in insulation; And to control carburized (case) depth be 0.8 ~ 1.2mm, stove is cheated cold after being as cold as 870 DEG C; Then be heated to 880 DEG C ± 10 DEG C, insulation 30min carries out Quenching Treatment, then cools with light diesel fuel; Then be heated to 190 DEG C ± 10 DEG C, insulation 240min tempering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613330.2A CN105171540B (en) | 2015-09-22 | 2015-09-22 | A kind of oil and gas multiphase flow pump bushing internal grinding frock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613330.2A CN105171540B (en) | 2015-09-22 | 2015-09-22 | A kind of oil and gas multiphase flow pump bushing internal grinding frock |
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| Publication Number | Publication Date |
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| CN105171540A true CN105171540A (en) | 2015-12-23 |
| CN105171540B CN105171540B (en) | 2017-12-26 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106195116A (en) * | 2016-08-30 | 2016-12-07 | 天津立中车轮有限公司 | Balance valve cock counter weight device and method |
| CN108274193A (en) * | 2018-01-12 | 2018-07-13 | 中国航发哈尔滨东安发动机有限公司 | A kind of insulation guide post processing method with thin-walled nylon bushing |
| CN109604977A (en) * | 2019-02-21 | 2019-04-12 | 孙永宁 | A kind of manufacturing process of crawler belt guide |
| CN111893284A (en) * | 2020-08-11 | 2020-11-06 | 象山旭雯钢铁科技有限公司 | Device for processing steel material flow |
| CN114029793A (en) * | 2021-10-19 | 2022-02-11 | 浙江辛子精工机械有限公司 | Bearing inner race grinding device |
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| CN106195116A (en) * | 2016-08-30 | 2016-12-07 | 天津立中车轮有限公司 | Balance valve cock counter weight device and method |
| CN108274193A (en) * | 2018-01-12 | 2018-07-13 | 中国航发哈尔滨东安发动机有限公司 | A kind of insulation guide post processing method with thin-walled nylon bushing |
| CN108274193B (en) * | 2018-01-12 | 2021-07-20 | 中国航发哈尔滨东安发动机有限公司 | Processing method of insulating guide pillar with thin-wall nylon bush |
| CN109604977A (en) * | 2019-02-21 | 2019-04-12 | 孙永宁 | A kind of manufacturing process of crawler belt guide |
| CN111893284A (en) * | 2020-08-11 | 2020-11-06 | 象山旭雯钢铁科技有限公司 | Device for processing steel material flow |
| CN114029793A (en) * | 2021-10-19 | 2022-02-11 | 浙江辛子精工机械有限公司 | Bearing inner race grinding device |
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|---|---|
| CN105171540B (en) | 2017-12-26 |
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Denomination of invention: A fixture for grinding the inner circle of the liner of an oil and gas mixed transport pump Effective date of registration: 20231220 Granted publication date: 20171226 Pledgee: Huishang Bank Co.,Ltd. Mount Huangshan Tunxi Yanghu Sub branch Pledgor: HUANGSHAN ZONTO PUMPS MANUFACTURING Co.,Ltd. Registration number: Y2023980072880 |
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