CN111618734A - Clamp for precisely machining impeller by abrasive flow - Google Patents
Clamp for precisely machining impeller by abrasive flow Download PDFInfo
- Publication number
- CN111618734A CN111618734A CN202010615903.6A CN202010615903A CN111618734A CN 111618734 A CN111618734 A CN 111618734A CN 202010615903 A CN202010615903 A CN 202010615903A CN 111618734 A CN111618734 A CN 111618734A
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- hole
- impeller
- matched
- screw
- support
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- 238000003754 machining Methods 0.000 title claims description 19
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000005111 flow chemistry technique Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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- 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
Abstract
The invention provides a clamp for precisely processing an impeller by abrasive flow, which consists of an abrasive flow inlet and outlet part, an impeller clamp part and a rotating part, wherein: the abrasive flow inlet and outlet part consists of a clamp body, a diversion channel, a nut matched with the diversion channel, a material leaking channel, a flow-out channel and a cover, the impeller clamp part consists of a centering frame, a screw matched with the centering frame, an impeller, three clamps and nuts, a support and a bearing matched with the support, the rotating part consists of a motor part, a round hole pinion, a round hole gear, a bearing matched with the round hole gear, a square hole gear, a stepped shaft and a screw matched with the stepped shaft, wherein the impeller is matched and clamped with the support through the three clamps and the nuts, the center of the support is provided with a through hole, the square hole gear is arranged on the support and fixed by the screw, the three gears are driven by the motor during working, and the support rotates to drive the impeller to rotate, so that the abrasive flow more uniformly polishes the surface and the inner hole of the impeller.
Description
Technical Field
The invention relates to the technical field of abrasive flow machining, in particular to a clamp for precisely machining an impeller by using an abrasive flow.
Background
The impeller is a key part of the centrifugal pump and is composed of a plurality of bent blades. The function of the impeller is to directly transfer the mechanical energy of the prime mover to the liquid to increase the static and dynamic pressure energy of the liquid (mainly increase the static pressure energy). The impeller is an energy supply device, and the impeller is driven to rotate by a motor, so that the medium (water) is subjected to centrifugal force or lifting force, and the medium has mechanical energy (kinetic energy). The impeller is mainly made of gray iron 250, stainless steel and ductile iron 450, and is generally 304 or 316 in life. Because the blade is a nonlinear curved surface, certain difficulty exists in the traditional mechanical precision machining, and better polishing can be realized by adopting the abrasive flow precision machining technology.
Abrasive Flow Machining (AFM), also known as extrusion honing, is a novel process technology for performing finish machining such as surface polishing, chamfering and deburring on a workpiece under pressure by using a flowable viscoelastic polymer loaded with an abrasive. The processing technology is particularly suitable for removing and polishing the burrs of the inaccessible areas such as complex surfaces of the inner cavity of the workpiece, internal crossed holes and the like.
Disclosure of Invention
The invention aims to solve the problem of difficulty in precisely machining an impeller, and provides a clamp for precisely machining the impeller by abrasive flow.
In order to solve the technical problems, the invention provides the following technical scheme: a clamp for precisely processing an impeller by abrasive flow is characterized by consisting of an abrasive flow inlet and outlet part, an impeller clamp part and a rotating part, the abrasive flow inlet and outlet part consists of a fixture body, a splitter box, a nut matched with the splitter box, a material leaking box, a material flowing out groove and a cover, the clamp body consists of four barrels and three legs, the impeller clamp part consists of a centering frame and a screw matched with the centering frame, an impeller, three clamps and nuts, a bracket and a bearing matched with the bracket, the rotating part consists of a motor part, a round hole pinion, a round hole gearwheel and a bearing, a square hole gear, a stepped shaft and a screw matched with the stepped shaft, the motor part comprises motor, a pair of stationary blade and cooperation screw, it is fixed with the hole cooperation through the cylinder boss between four buckets, guarantee the precision of installation and improve the stationarity of this anchor clamps operation.
Further, preferably, the abrasive particle flow inlet and outlet part comprises a clamp body, a diversion trench, a nut matched with the diversion trench, a material leaking trench, a material flowing out trench and a cover, the clamp body comprises four barrels and three legs, the four barrels comprise a first barrel, a second barrel, a third barrel and a fourth barrel in sequence, threaded holes, through holes, blind holes and cylindrical bosses are arranged on the four barrels, threaded holes and reinforcing ribs are arranged on the three legs, the threaded holes on the three legs are matched with screws and are arranged on the lower surface of the four barrels, the diversion trench is of a revolving body structure, is hollow inside and is provided with an abrasive particle flow inlet and an abrasive particle flow diversion port in an array, the abrasive particle flow inlet of the diversion trench is fixed at a corresponding through hole on the first barrel by the nut, the material leaking trench is of a revolving body structure, four threaded through holes and one through hole are arranged on the material leaking trench, the four threaded, the flow-out groove is of a rotary structure, a threaded hole and an external thread cylinder are arranged on the flow-out groove, a through hole is formed in the external thread cylinder, the threaded hole in the flow-out groove is matched with a screw and is arranged at a position, corresponding to the threaded hole, on the lower surface of the four barrels, the cylindrical handle is arranged on the cover and is arranged on the external thread cylinder of the flow-out groove, the purpose is to store the small-flow abrasive flow fluid and the large-flow abrasive flow fluid to be discharged, and therefore the clamp.
Further, preferably, the impeller clamp part comprises a centering frame, a screw matched with the centering frame, an impeller, three clamps, a nut, a support and a bearing matched with the support, the centering frame comprises three bent shafts and a straight cylinder, the three bent shaft ends are respectively provided with a threaded through hole, the three screws are arranged at corresponding threaded holes on the two barrels, the diameter of the straight cylinder of the centering frame is smaller than that of the impeller through hole, the purpose is to reduce the blocking effect when the abrasive flow is processed into the through hole, the straight cylinder end penetrates through the impeller through hole and is used for fixing the center of the impeller and avoiding the left and right swinging of the impeller in the processing and rotating process, the support is of a three-step shaft structure and sequentially comprises a first section of cylindrical shaft, a second section of cylindrical shaft and a section of square shaft, the end part of the first section of cylindrical shaft is provided with three support plates and reinforcing ribs, the support plates are provided with threaded through holes, the impeller clamping device is characterized in that a thin cylindrical baffle is arranged on the square shaft, the three clamps and nuts are matched with the support to clamp the impeller tightly, a through hole is formed in the center of the support, a square gear is arranged at the square shaft end, the square shaft end is limited by the thin cylindrical baffle at the square shaft end, and a bearing is arranged on a second section of cylindrical shaft of the support and is arranged on the second barrel corresponding to the stepped through hole.
Further, preferably, the rotating part comprises a motor part, a round hole pinion, a round hole gear wheel, a bearing matched with the round hole gear wheel, a square hole gear, a stepped shaft and a screw matched with the stepped shaft, the motor part comprises a motor, a pair of fixing pieces and a matched screw, the motor is fixed on a square boss of the four barrels through the pair of fixing pieces and the matched screw, the round hole pinion is installed at the head part of the motor, the head part of the motor is provided with a rubber sleeve for adjusting the position and the fixing effect of the round hole pinion relative to the motor, the stepped shaft is of a two-step structure and sequentially comprises a first section of cylindrical shaft and a second section of cylindrical shaft, the end of the second section of cylindrical shaft is provided with three fixing tables, the three fixing tables are respectively provided with threaded through holes and reinforcing ribs, and the stepped shaft is fixed at the corresponding threaded holes on, the circular hole gear wheel and the bearing matched with the circular hole gear wheel are arranged at the head of the first section of the cylindrical shaft of the stepped shaft, the square hole gear wheel is arranged at the square shaft end of the support, the lower part of the square hole gear wheel is fixed by screws, the circular hole gear wheel is meshed with the circular hole pinion and the square hole gear wheel, and the purpose of adopting a gear meshing transmission structure is to reduce slipping, so that the abrasive flow machining process is more stable and reliable.
Drawings
FIG. 1 is a schematic view of the overall explosion of a jig for precision machining of an impeller by abrasive flow
FIG. 2 is a general assembly diagram of a jig for precision machining of an impeller by abrasive flow
FIG. 3 is a schematic view of a clamp body
FIG. 4 is a schematic view of a diverter tank
FIG. 5 is a schematic view of a centering rack
FIG. 6 is a schematic view of a clip
FIG. 7 is a schematic view of a stent
FIG. 8 is a schematic isometric view of the second barrel of the clamp body
FIG. 9 is a top view of the clamp body
FIG. 10 is a schematic view of a material leaking groove
FIG. 11 is a schematic view of a square gear
FIG. 12 is a schematic view of a fixture body with three barrels
FIG. 13 is a schematic view of a stepped shaft
FIG. 14 is a schematic isometric view of the four barrels of the clamp body
FIG. 15 is a top view of the clamp body with four barrels
FIG. 16 is a schematic view of a spout
FIG. 17 is a leg schematic view
FIG. 18 is a schematic view of a lid
In the figure: 1. the jig comprises a splitter groove matched nut, 2 parts of a jig body, four cylindrical bosses, 2 parts of a jig body, a jig body barrel through hole, 3 parts of a splitter groove, 3 parts of 1 parts of a splitter groove abrasive flow inlet, 3 parts of 2 parts of a splitter groove array abrasive flow splitter port, 4 parts of a centering frame, 4 parts of 1 parts of a centering frame, three bent shaft threaded holes, 4 parts of 2 parts of a centering frame, a straight cylinder, 5 parts of a centering frame, an impeller, 6 parts of a clamp, 7 parts of a support, 7 parts of 1 parts of a support, three threaded through holes, 7 parts of 2 parts of a support, a support center through hole, 8 parts of a support matched bearing, 9 parts of a jig body barrel, 9 parts of 1 parts of a jig body barrel, four blind holes, 9 parts of 2 parts of a jig body barrel, four threaded holes, 9 parts of 3 parts of a jig body barrel, a, Four threaded holes at the bottom of the two barrels of the fixture body, 10, a material leaking groove, 10-1, four threaded through holes at the material leaking groove, 10-2, a through hole at the material leaking groove, 11, a square hole gear, 12, three barrels of the fixture body, 12-1, four blind holes at the three barrels of the fixture body, 12-2, a through hole at the three barrels of the fixture body, 13, a bearing matched with a round hole gear wheel, 14, a round hole gear wheel, 15, a round hole pinion, 16, a stepped shaft, 17, four barrels of the fixture body, 17-1, three cylindrical bosses at the four barrels of the fixture body, 17-2, a through hole at the four barrels of the fixture body, 17-3, three threaded holes at the interior of the four barrels of the fixture body, 17-4, four threaded holes at the square boss of the four barrels of the fixture body, 17-5, three threaded holes at the bottom of the four barrels of the fixture body, 17-6, 19-1, four threaded holes of the outflow groove, 19-2, an external threaded cylindrical through hole of the outflow groove, 20, legs, 21 and a cover.
Detailed Description
The invention provides a clamp for precisely machining an impeller by abrasive flow, which clearly and completely describes the technical scheme in the embodiment of the invention by combining with the attached drawings in the embodiment of the invention. Other embodiments, which can be derived by one of ordinary skill in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.
The invention mainly comprises three parts, namely an abrasive flow inlet and outlet part, an impeller clamp part and a rotating part. Because the invention is an internal and external composite structure, the installation sequence from inside to outside is adopted. The impeller clamp part comprises a centering frame (4), a screw matched with the centering frame, an impeller (5), three clamps (6), a nut, a support (7) and a bearing (8) matched with the impeller, the impeller (5) is horizontally placed at three supporting plates at the end part of a first section of a cylindrical shaft of the support (5) and is aligned with a through hole of the impeller (5) and a central through hole (7-2) of the support, then the three clamps (6) and the nut are sequentially installed to clamp the impeller (5), the support matched bearing (8) is installed on a second section of the cylindrical shaft of the support (7), then the support (7) is installed at a second section of the stepped through hole (9-3) of the clamp body, the support matched bearing (8) is in interference fit with the support (7) and the second section of the clamp body stepped through hole (9-3), the square shaft end of the support (7) extends out of a material leakage groove through hole (10-2) and a third section of the clamp body, and finally, three bent shaft threaded holes (4-1) of the centering frame are arranged at four threaded holes (9-2) of the two barrels of the fixture body through three screws, and the straight cylindrical end (4-2) of the centering frame penetrates through the through hole of the impeller (5) and is used for fixing the center of the impeller (5) to avoid the left and right swinging of the impeller (5) in the machining and rotating process, so that the installation work of the impeller fixture part is realized.
The rotary part comprises a motor part (18), a round hole pinion (15), a round hole gearwheel (14), a bearing (13) matched with the round hole gearwheel, a square hole gear (11), a stepped shaft (16) and a matched screw matched with the round hole gearwheel, the motor part comprises a motor, a pair of fixing pieces and a matched screw, the square hole gearwheel (11) is firstly installed at the square shaft end of a support (7), the upper end of the square hole gearwheel (11) is limited by a thin cylindrical baffle plate at the square shaft end of the support (7), the lower end of the square hole gearwheel is installed at the threaded hole of the square shaft end of the support (7) in an aligned mode by the screw and is fixed, then the stepped shaft (16) and the matched screw matched with the stepped shaft are installed at three threaded holes (17-3) inside four barrels of the fixture body in an aligned mode, the round hole gearwheel (14) and the matched bearing (13) are installed at the head part of a first section of the cylindrical shaft of the stepped shaft (, and then, an electric motor part (18) is arranged at four threaded holes (17-4) of a square boss of the four barrels of the clamp body in an aligning manner, finally, a round hole pinion (15) is arranged at the head part of the electric motor, a rubber sleeve is arranged at the head part of the electric motor and used for adjusting the position and the fixing effect of the round hole pinion (15) relative to the electric motor, and a round hole gearwheel (14) is meshed with the round hole pinion (15) and a square hole gear (11), so that the installation work of the rotary part of the clamp is realized.
The abrasive particle flow inlet and outlet part consists of a fixture body, a splitter box (3), a nut (1) matched with the splitter box, a material leakage groove (10), an outflow groove (19) and a cover (21), the clamp body consists of four barrels and three legs, the three legs are sequentially arranged at three threaded holes (17-5) at the bottom of the four barrels of the clamp body and are fixed by screws, then the outflow groove (19) is arranged at four threaded holes (17-6) at the bottom of the four barrels of the fixture body, the material leaking groove (10) is arranged at four threaded holes (9-5) at the bottom of the two barrels of the fixture body and is fixed by screws, then the abrasive particle inflow port (3-1) of the outflow groove extends out of the first barrel (2) of the fixture body and is fixed (1) by matching with the abrasive particle inflow port, and finally the four barrels are sequentially arranged, aligning each cylindrical boss and each blind hole, and vertically placing the cylindrical bosses and the blind holes to obtain the installation process of the abrasive particle flow inlet and outlet parts of the clamp.
When the clamp is operated, the clamp is vertically placed, the impeller (5) is confirmed to be clamped and can rotate, then the motor is electrified, the impeller (5) starts to rotate, the cover (21) is installed or detached as required, abrasive flow fluid is communicated with the abrasive flow inlet (3-1) of the diversion channel, and finally, the abrasive flow precision machining of the impeller is started.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A clamp for precisely processing an impeller by abrasive flow is characterized by consisting of an abrasive flow inlet and outlet part, an impeller clamp part and a rotating part, the abrasive flow inlet and outlet part consists of a fixture body, a splitter box, a nut matched with the splitter box, a material leaking box, a material flowing out groove and a cover, the clamp body consists of four barrels and three legs, the impeller clamp part consists of a centering frame and a screw matched with the centering frame, an impeller, three clamps and nuts, a bracket and a bearing matched with the bracket, the rotating part consists of a motor part, a round hole pinion, a round hole gearwheel and a bearing, a square hole gear, a stepped shaft and a screw matched with the stepped shaft, the motor part comprises motor, a pair of stationary blade and cooperation screw, it is fixed with the hole cooperation through the cylinder boss between four buckets, guarantee the precision of installation and improve the stationarity of this anchor clamps operation.
2. The jig for precision machining of an impeller according to claim 1, wherein: the abrasive particle flow inlet and outlet part comprises a clamp body, a diversion channel, a nut matched with the diversion channel, a material leaking channel, a flow-out channel and a cover, the clamp body comprises four barrels and three legs, the four barrels comprise a first barrel, a second barrel, a third barrel and a fourth barrel in sequence, threaded holes, through holes, blind holes and cylindrical bosses are arranged on the four barrels, threaded holes and reinforcing ribs are arranged on the three legs, the threaded holes on the three legs are matched with screws and are arranged on the lower surfaces of the four barrels, the diversion channel is of a revolving body structure and is hollow inside and provided with an abrasive particle flow inlet and an abrasive particle flow diversion port in an array, the abrasive particle flow inlet of the diversion channel is fixed at a corresponding through hole on the first barrel through a nut, the material leaking channel is of a revolving body structure and is provided with four threaded through holes and one through hole, the four threaded through holes are matched with the screws and are arranged, be equipped with screw hole and external screw thread cylinder on it, the external screw thread cylinder is equipped with the through-hole, screw hole and screw cooperation are installed in the corresponding screw hole department of four buckets lower surfaces on the chute, cover and be equipped with the cylinder handle, install on the chute external screw thread cylinder, the discharge of purpose for storing low flow abrasive flow fluid and large-traffic abrasive flow fluid makes anchor clamps use more nimble.
3. The jig for precision machining of an impeller according to claim 1, wherein: the impeller clamp part comprises a centering frame, a screw matched with the centering frame, an impeller, three clamps, a nut, a support and a bearing matched with the support, wherein the centering frame comprises three bent shafts and three straight cylinders, the three bent shaft ends are respectively provided with a thread through hole, the three screws are arranged at corresponding thread holes on the two barrels, the diameter of the straight cylinder of the centering frame is smaller than that of the impeller through hole, the purpose is to reduce the blocking effect when the abrasive particle flow is processed on the through hole, the straight cylinder end penetrates through the impeller through hole and is used for fixing the center of the impeller and avoiding the left and right swing of the impeller in the processing and rotating process, the support is of a three-step shaft structure and sequentially comprises a first section of cylindrical shaft, a second section of cylindrical shaft and a section of square shaft, the end part of the first section of cylindrical shaft is provided with three support plates and reinforcing ribs, the support plates are provided with the thread through holes and are used for mounting, the three clamps and the nuts are matched with the support to clamp the impeller tightly, a through hole is formed in the center of the support, a square gear is installed at the square shaft end, the square shaft end is limited by a thin cylindrical baffle at the square shaft end, and a bearing is installed on a second section of cylindrical shaft of the support and is installed on the second barrel corresponding to the stepped through hole.
4. The jig for precision machining of an impeller according to claim 1, wherein: the rotating part comprises a motor part, a round hole pinion, a round hole gearwheel and a bearing matched with the round hole gearwheel, a square hole gear, a stepped shaft and a screw matched with the round hole gearwheel, the motor part comprises a motor, a pair of fixing pieces and a matched screw, the motor is fixed on a square boss of the four barrels by the pair of fixing pieces and the matched screw, the round hole pinion is arranged at the head part of the motor, the head part of the motor is provided with a rubber sleeve for adjusting the position and the fixing action of the round hole pinion relative to the motor, the stepped shaft is of a two-step structure and sequentially comprises a first section of cylindrical shaft and a second section of cylindrical shaft, the end of the second section of cylindrical shaft is provided with three fixing tables, the three fixing tables are respectively provided with a thread through hole and are provided with reinforcing ribs, the stepped shaft is fixed at the corresponding thread hole positions on the inner horizontal plane of the four barrels by the screws, and, the square hole gear is arranged at the square shaft end of the support, the lower part of the square hole gear is fixed by a screw, the round hole large gear is meshed with the round hole small gear and the square hole gear, and a gear meshing transmission structure is adopted to reduce slipping, so that the abrasive flow processing process is more stable and reliable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010615903.6A CN111618734A (en) | 2020-07-01 | 2020-07-01 | Clamp for precisely machining impeller by abrasive flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010615903.6A CN111618734A (en) | 2020-07-01 | 2020-07-01 | Clamp for precisely machining impeller by abrasive flow |
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| Publication Number | Publication Date |
|---|---|
| CN111618734A true CN111618734A (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010615903.6A Pending CN111618734A (en) | 2020-07-01 | 2020-07-01 | Clamp for precisely machining impeller by abrasive flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111618734A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115741445A (en) * | 2022-11-21 | 2023-03-07 | 滁州市成业机械制造股份有限公司 | Processing equipment for multistage centrifugal pump impeller |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11156722A (en) * | 1997-11-28 | 1999-06-15 | Nissan Motor Co Ltd | Processing device for injection nozzle and its processing method |
| CN208215111U (en) * | 2018-05-25 | 2018-12-11 | 西安工业大学 | A kind of impeller abrasive flows fixture |
| CN212471061U (en) * | 2020-07-01 | 2021-02-05 | 长春理工大学 | Clamp for precisely machining impeller by abrasive flow |
-
2020
- 2020-07-01 CN CN202010615903.6A patent/CN111618734A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11156722A (en) * | 1997-11-28 | 1999-06-15 | Nissan Motor Co Ltd | Processing device for injection nozzle and its processing method |
| CN208215111U (en) * | 2018-05-25 | 2018-12-11 | 西安工业大学 | A kind of impeller abrasive flows fixture |
| CN212471061U (en) * | 2020-07-01 | 2021-02-05 | 长春理工大学 | Clamp for precisely machining impeller by abrasive flow |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115741445A (en) * | 2022-11-21 | 2023-03-07 | 滁州市成业机械制造股份有限公司 | Processing equipment for multistage centrifugal pump impeller |
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