CN209579249U - Centrifugal pump spiral casing burnishing device - Google Patents

Centrifugal pump spiral casing burnishing device Download PDF

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Publication number
CN209579249U
CN209579249U CN201822234265.4U CN201822234265U CN209579249U CN 209579249 U CN209579249 U CN 209579249U CN 201822234265 U CN201822234265 U CN 201822234265U CN 209579249 U CN209579249 U CN 209579249U
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CN
China
Prior art keywords
abrasive grain
pump
spiral case
polished
pond
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201822234265.4U
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Chinese (zh)
Inventor
孟繁树
李亚飞
周佩剑
黄斌
颜朝寿
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Priority to CN201822234265.4U priority Critical patent/CN209579249U/en
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Publication of CN209579249U publication Critical patent/CN209579249U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

A kind of centrifugal pump spiral casing burnishing device, including workbench, abrasive grain pond, take out grain unit, agitating device and polishing unit, the abrasive grain pond is mounted on the lower section of workbench, the pumping grain unit includes taking out abrasive grain pump and motor, the motor is located at the rear for taking out abrasive grain pump and motor shaft is connect by shaft coupling with the pump shaft for taking out abrasive grain pump, and the abrasive particle inlet for taking out abrasive grain pump is connect by input channel with abrasive grain pond;The polishing unit includes impeller, fixing axle, bearing holder (housing, cover), bearing (ball) cover and is polished spiral case, spiral case is polished to be installed on the workbench, the abrasive particle inlet for being polished spiral case is connected by the abrasive grain outlet of conveyance conduit and pumping abrasive grain pump, the abrasive grain outlet for being polished spiral case is connect by output channel with abrasive grain pond, is polished at the snail shape portion cavity of spiral case and is equipped with impeller.The utility model provides a kind of centrifugal pump spiral casing burnishing device, which not only realizes the purpose for polishing to spiral case inner surface, and realizing energy-saving and emission-reduction.

Description

Centrifugal pump spiral casing burnishing device
Technical field
The utility model relates to a kind of centrifugal pump spiral casing burnishing devices.
Background technique
Pumping chamber of the spiral case as centrifugal pump is the important flow passage components of centrifugal pump.Spiral case is usually monoblock cast, work Surface is more coarse, has larger impact to the efficiency of unit.For the credit rating for improving flow passage components surface, need in spiral case Surface is polished.Currently used method is to polish by hand spiral case, since spiral case inner wall is curved surface, dynamics and direction It is difficult to control, low efficiency higher to worker operation skill requirement, hand polish difficulty is very big, it is also difficult to reach such essence Degree requires.Therefore, centrifugal pump spiral casing inner wall is polished, urgent need develops a kind of suitable burnishing device, reduces casting snail The surface roughness of shell can reduce the transporting resistance of pumped (conveying) medium, help to improve the efficiency of pump, reach the mesh of energy-saving and emission-reduction 's.
Abrasive Flow Machining is a kind of newest machining process, it is that (admixture has one kind of abrasive grain can with abrasive material Flow viscoelastic mixture) it is that medium flows through the surface processed needed for workpiece under stress, abrasive flow machining can polish shape The part of shape complexity has very high superiority than conventional method.
Summary of the invention
Lower, the polishing biggish defect of difficulty that there are working efficiencies in order to overcome existing spiral case polishing technology, this is practical new Type provides a kind of centrifugal pump spiral casing burnishing device, which, which not only realizes, polishes spiral case inner surface, and Realize the purpose of energy-saving and emission-reduction.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of centrifugal pump spiral casing burnishing device, including workbench, abrasive grain pond, take out grain unit, for stirring in abrasive grain pond The agitating device and polishing unit of abrasive grain, the abrasive grain pond are mounted on the lower section of workbench, and the pumping grain unit includes taking out mill Grain pump and motor, the motor is located at the rear for taking out abrasive grain pump and motor shaft is connect by shaft coupling with the pump shaft for taking out abrasive grain pump, The abrasive particle inlet for taking out abrasive grain pump is connect by input channel with abrasive grain pond;
The polishing unit includes impeller, fixing axle, bearing holder (housing, cover), bearing (ball) cover and is polished spiral case, is polished spiral case peace On the table, the abrasive particle inlet for being polished spiral case is connected dress by the abrasive grain outlet of conveyance conduit and pumping abrasive grain pump, is polished The abrasive grain outlet of spiral case is connect by output channel with abrasive grain pond, is polished at the snail shape portion cavity of spiral case and is equipped with impeller, Gu Dead axle or so lateral arrangement, impeller are mounted on one end of fixing axle, and the other end of fixing axle can be rotated by tapered roller bearing Be mounted on bearing holder (housing, cover), bearing (ball) cover, which is located at the outside of bearing holder (housing, cover) and is fixed on by bolt together with bearing holder (housing, cover), is polished spiral case On;The bottom for being polished the snail shape portion of spiral case is equipped with abrasive grain and removes mouth, and the abrasive grain is removed mouth and is connected to snail shape portion cavity, institute Abrasive grain is stated to remove at mouth equipped with blocking.
Further, the agitating device includes agitating shaft, agitator arm, bevel gear box and belt drive unit, described to stir It mixes impeller to be mounted on the lower end of agitating shaft and be located in abrasive grain pond, the upper end of the agitating shaft passes through shaft coupling and bevel gear box Axis connection is exported, the belt drive unit includes big belt pulley, small belt pulley and belt, and the small belt pulley is mounted on motor Motor shaft on, the big belt pulley is mounted on the input shaft of bevel gear box, and the small belt pulley passes through belt and big belt Wheel connection.
Further, the conveyance conduit is connect by a convex flange with the abrasive particle inlet for being polished spiral case, described Output channel is connected also by a convex flange with the abrasive grain outlet for being polished spiral case.
Further, the burnishing device further includes the support frame for being used to support conveyance conduit, and support frame as described above includes vertical Column and the support tube passed through for conveyance conduit, the lower end of the column is fixed on the table, and the upper end of the column is fixed There is support tube.
The beneficial effects of the utility model are mainly manifested in: the purpose of the present apparatus is to process water pump spiral casing rough surface Degree reduces the surface roughness of casting spiral case, can reduce the transporting resistance of pumped (conveying) medium, help to improve the efficiency of pump, reach To the purpose of energy-saving and emission-reduction;Drag reduction improves energy utilization rate with important for reducing energy consumption, reducing disposal of pollutants simultaneously Effect, particularly important for the working efficiency for improving pump especially in field of fluid machinery, the design of the burnishing device has weight The engineering value and theory significance wanted;This device has the characteristics that easy to operate, structure is simple, high-efficient, and can reduce It is energy consumption, pollution-free;The utility model can make to grind while polishing centrifugal pump spiral casing inner surface by agitating device Grain smoothly supply, while realizing the purpose of energy-saving and emission-reduction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the sectional view for polishing unit.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
Referring to Fig.1~Fig. 3, a kind of centrifugal pump spiral casing burnishing device, including workbench 1, abrasive grain pond 12, take out grain unit, For stirring the agitating device 11 and polishing unit 3 of abrasive grain in abrasive grain pond 12, the abrasive grain pond 12 is mounted under workbench 1 Side, the pumping grain unit include taking out abrasive grain pump 8 and motor 13, and the motor 13 is located at the rear for taking out abrasive grain pump 8 and motor shaft 131 are connect by shaft coupling 14 with the pump shaft 81 for taking out abrasive grain pump 8, and the abrasive particle inlet for taking out abrasive grain pump 8 passes through input channel 9 and abrasive grain Pond 12 connects;
The polishing unit packet 3 includes impeller 33, fixing axle 37, bearing holder (housing, cover) 39, bearing (ball) cover 310 and is polished spiral case 32, It is polished spiral case 32 to be mounted on workbench 1, the abrasive particle inlet for being polished spiral case 32 passes through conveyance conduit 4 and abrasive grain pump 8 of smoking Abrasive grain outlet connection, the abrasive grain outlet for being polished spiral case 32 are connect by output channel 2 with abrasive grain pond 12, and spiral case 32 is polished Impeller 33,37 or so lateral arrangement of fixing axle are installed, impeller 33 is mounted on one end of fixing axle 37, fixed at snail shape portion cavity The other end of axis 37 is rotatably mounted on bearing holder (housing, cover) 39 by tapered roller bearing 38, and bearing (ball) cover 310 is located at bearing holder (housing, cover) 39 outside and being fixed on by bolt 36 together with bearing holder (housing, cover) is polished on spiral case 32;It is polished the bottom in the snail shape portion of spiral case 32 Portion is equipped with abrasive grain and removes mouth, and the abrasive grain is removed mouth and is connected to snail shape portion cavity, and the abrasive grain, which is removed, is equipped with blocking at mouth.
Further, the agitating device 11 includes agitating shaft 111, agitator arm, bevel gear box 7 and belt drive unit 6, The agitator arm is mounted on the lower end of agitating shaft 111 and is located in abrasive grain pond 12, and the upper end of the agitating shaft 111 passes through shaft coupling The output axis connection of device 10 and bevel gear box 7, the belt drive unit 6 includes big belt pulley, small belt pulley and belt, described Small belt pulley is mounted on the motor shaft 131 of motor, and the big belt pulley is mounted on the input shaft of bevel gear box 7, described small Belt pulley is connect by belt with big belt pulley.
Further, the conveyance conduit 4 is connect by a convex flange 35 with the abrasive particle inlet for being polished spiral case 32, The output channel 2 is connected also by a convex flange 31 with the abrasive grain outlet for being polished spiral case 32.
Further, the burnishing device further includes the support frame 5 for being used to support conveyance conduit, and support frame as described above 5 includes Column and the support tube passed through for conveyance conduit, the lower end of the column are fixed on workbench 1, and the upper end of the column is solid Surely there is support tube.
As shown in Figure 1, input channel is DN65 input channel, conveyance conduit DN50, output channel is DN80 efferent duct Road, the polishing unit 3, support frame 5, bevel gear box 7, take out abrasive grain pump 8, abrasive grain pond 12, motor 13 be all mounted on workbench 1 On, DN80 output channel connection polishing unit 3 and abrasive grain pond 12;DN50 conveyance conduit connection polishing unit 3 and pumping abrasive grain pump 8, 5 upper end of support frame as described above plays a supporting role to conveyance conduit 4, and the belt drive unit 6 is connected to motor 13 and bevel gear Between case 7, the DN65 input channel 9, which is connected to, takes out abrasive grain pump 8 and abrasive grain pond 12, and it is defeated that the shaft coupling 10 connects bevel gear box Shaft and agitating shaft 111, the shaft coupling 14 connect motor shaft 131 and take out abrasive grain pump shaft 81, drive and take out 8 operating of abrasive grain pump.
Connect with output channel 2 as shown in figure 3, being polished spiral case 32 by convex flange 31, by convex flange 35 and Conveyance conduit 4 connects, and impeller 33 is fixed on axis by inside installation impeller 33, the fixing axle 37 by nut 34, the shaft shoulder two Side passes through tapered roller bearing 38, and 39 sets of the bearing holder (housing, cover) plays a supportive role outside tapered roller bearing, the bearing (ball) cover 310 are fixed on and are polished on spiral case 32 by bolt 36 together with the bearing holder (housing, cover) 39, are sealed, and then together with fixing axle 37, bearing holder (housing, cover) 39 plays the fixed function to impeller 33.
The output end for taking out abrasive grain pump 8 is connected to by conveyance conduit 4 with spiral case 32 is polished, and the input terminal for taking out abrasive grain pump 8 is logical Input channel 9 is crossed to be connected to abrasive grain pond 12.
The bevel gear box input shaft is lateral shaft, and output shaft is vertical axis, not only realizes the purpose of deceleration, while real The steering of power is showed.
The agitating shaft 111 of the agitating device 11 protrudes into abrasive grain pond 12 and is stirred, to realize the regular supply of abrasive grain.
Working principle of the utility model is:
It installs, is driven by motor 13 and take out abrasive grain pump and 8 operated, extracted out abrasive grain by input channel 9, when filling Since impeller 33 remains in operation after the full entire pump housing, and then abrasive grain flows into polishing unit by conveyance conduit 4 with certain rate 3;Into polishing unit 3 due to the drainage of impeller 33, abrasive grain is flowed to different directions, is thrown to contacted wall surface Light;Unit 3 is polished when abrasive grain and chip will be flowed out full of entire impeller 33, passes through output channel 2 and flows into abrasive grain pond.It is polishing Simultaneously, motor 13 transfers power to bevel gear box 7 by pulley gear 6 to process, then by bevel gear box 7 and shaft coupling Device 10 slows down, and driving agitating shaft 111 operates, and is stirred to the abrasive grain in abrasive grain pond 12, to guarantee regular supply.
After spiral case completion of processing, just it is disassembled from conveyance conduit 4, output channel 2 and workbench 1, impeller 33, bearing holder (housing, cover) 39, bearing (ball) cover 310 also disassemble together.
Abrasive grain removes the design of mouth, is to pull out blocking because having remaining abrasive grain after work finishes in spiral case Flow out remaining abrasive grain.

Claims (4)

1. a kind of centrifugal pump spiral casing burnishing device, it is characterised in that: including workbench, abrasive grain pond, take out grain unit, for stirring The agitating device of abrasive grain and polishing unit in abrasive grain pond, the abrasive grain pond is mounted on the lower section of workbench, the pumping grain unit Including taking out abrasive grain pump and motor, the motor passes through the pump of shaft coupling and pumping abrasive grain pump positioned at the rear and motor shaft for taking out abrasive grain pump Axis connection, the abrasive particle inlet for taking out abrasive grain pump are connect by input channel with abrasive grain pond;
The polishing unit includes impeller, fixing axle, bearing holder (housing, cover), bearing (ball) cover and is polished spiral case, is polished spiral case and is mounted on On workbench, the abrasive particle inlet for being polished spiral case is connected by the abrasive grain outlet of conveyance conduit and pumping abrasive grain pump, is polished spiral case Abrasive grain outlet connect with abrasive grain pond by output channel, be polished at the snail shape portion cavity of spiral case and impeller, fixing axle be installed Left and right lateral arrangement, impeller are mounted on one end of fixing axle, and the other end of fixing axle is rotatably pacified by tapered roller bearing On bearing holder (housing, cover), bearing (ball) cover, which is located at the outside of bearing holder (housing, cover) and is fixed on by bolt together with bearing holder (housing, cover), to be polished on spiral case; The bottom for being polished the snail shape portion of spiral case is equipped with abrasive grain and removes mouth, and the abrasive grain is removed mouth and is connected to snail shape portion cavity, the mill Grain, which is removed, is equipped with blocking at mouth.
2. centrifugal pump spiral casing burnishing device as described in claim 1, it is characterised in that: the agitating device include agitating shaft, Agitator arm, bevel gear box and belt drive unit, the agitator arm are mounted on the lower end of agitating shaft and are located in abrasive grain pond, The upper end of the agitating shaft passes through the output axis connection of shaft coupling and bevel gear box, and the belt drive unit includes big belt Wheel, small belt pulley and belt, the small belt pulley are mounted on the motor shaft of motor, and the big belt pulley is mounted on bevel gear box Input shaft on, the small belt pulley is connect by belt with big belt pulley.
3. centrifugal pump spiral casing burnishing device as claimed in claim 1 or 2, it is characterised in that: the conveyance conduit passes through one Convex flange is connect with the abrasive particle inlet for being polished spiral case, and the output channel is also by a convex flange and is polished spiral case Abrasive grain export connection.
4. centrifugal pump spiral casing burnishing device as claimed in claim 1 or 2, it is characterised in that: the burnishing device further includes using In the support frame of support conveyance conduit, support frame as described above includes column and the support tube that passes through for conveyance conduit, the column Lower end it is fixed on the table, the upper end of the column is fixed with support tube.
CN201822234265.4U 2018-12-28 2018-12-28 Centrifugal pump spiral casing burnishing device Withdrawn - After Issue CN209579249U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822234265.4U CN209579249U (en) 2018-12-28 2018-12-28 Centrifugal pump spiral casing burnishing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822234265.4U CN209579249U (en) 2018-12-28 2018-12-28 Centrifugal pump spiral casing burnishing device

Publications (1)

Publication Number Publication Date
CN209579249U true CN209579249U (en) 2019-11-05

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Application Number Title Priority Date Filing Date
CN201822234265.4U Withdrawn - After Issue CN209579249U (en) 2018-12-28 2018-12-28 Centrifugal pump spiral casing burnishing device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109664202A (en) * 2018-12-28 2019-04-23 浙江工业大学 Centrifugal pump spiral casing burnishing device
CN114515979A (en) * 2022-02-28 2022-05-20 上海应用技术大学 Magnetorheological polishing device for high-precision polishing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109664202A (en) * 2018-12-28 2019-04-23 浙江工业大学 Centrifugal pump spiral casing burnishing device
CN109664202B (en) * 2018-12-28 2023-09-26 浙江工业大学 Centrifugal pump spiral case burnishing device
CN114515979A (en) * 2022-02-28 2022-05-20 上海应用技术大学 Magnetorheological polishing device for high-precision polishing
CN114515979B (en) * 2022-02-28 2024-01-30 上海应用技术大学 Magnetorheological polishing device for high-precision polishing

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AV01 Patent right actively abandoned
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Granted publication date: 20191105

Effective date of abandoning: 20230926

AV01 Patent right actively abandoned

Granted publication date: 20191105

Effective date of abandoning: 20230926