CN216179555U - Grinder suitable for metal rotor of conical screw pump - Google Patents
Grinder suitable for metal rotor of conical screw pump Download PDFInfo
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- CN216179555U CN216179555U CN202122046784.XU CN202122046784U CN216179555U CN 216179555 U CN216179555 U CN 216179555U CN 202122046784 U CN202122046784 U CN 202122046784U CN 216179555 U CN216179555 U CN 216179555U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model provides a grinding device for a metal rotor of a conical screw pump, which can solve the technical problems of uneven grinding processing of the surface of the metal rotor and high processing cost. The utility model provides a grinder suitable for metal rotor of toper screw pump which characterized in that: comprises a lathe bed, a sliding table mechanism, a rotor rotating mechanism, a grinding sleeve rotating mechanism and a grinding fluid supply mechanism; the rotor rotating mechanism comprises a first variable frequency motor, a coupler, a torque sensor, a universal joint and a first clamp which are sequentially connected from left to right, and the first variable frequency motor is arranged on a sliding table of the sliding table mechanism; the grinding sleeve rotating mechanism comprises a second variable frequency motor, a second clamp and a grinding sleeve which are sequentially connected from right to left, the second variable frequency motor is arranged on the lathe bed, and the grinding sleeve is provided with a grinding inner cavity simulating a stator cavity; the polishing liquid supply mechanism is used for storing the polishing liquid and conveying the polishing liquid into the polishing sleeve.
Description
Technical Field
The utility model relates to the technical field of grinding devices, in particular to a grinding device suitable for a metal rotor of a conical screw pump.
Background
After rough machining is completed, the metal rotor of the conical screw pump needs to be subjected to finish machining, generally grinding machining. The overall length of the metal rotor is long, for example, a metal rotor with a length of 6m is generally formed by processing and splicing a plurality of single bodies, if each single body is ground before splicing, the uniformity of grinding processing on the surface of the whole rotor is difficult to ensure, and if the whole rotor is ground after splicing, the overall length of the rotor is long, in addition, the surface of the rotor is of a spiral structure and has a certain taper, and a large-scale multi-axis numerical control grinding machine is required to be used for processing, so that the processing cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a grinding device for a metal rotor of a conical screw pump, which can solve the technical problems of uneven grinding processing of the surface of the metal rotor and high processing cost.
The technical scheme is that, a metal rotor's grinder suitable for toper screw pump, its characterized in that: comprises a lathe bed, a sliding table mechanism, a rotor rotating mechanism, a grinding sleeve rotating mechanism and a grinding fluid supply mechanism;
the rotor rotating mechanism comprises a first variable frequency motor, a coupler, a torque sensor, a universal joint and a first clamp which are sequentially connected from left to right, and the first variable frequency motor is arranged on a sliding table of the sliding table mechanism;
the grinding sleeve rotating mechanism comprises a second variable frequency motor, a second clamp and a grinding sleeve which are sequentially connected from right to left, the second variable frequency motor is arranged on the lathe bed, and the grinding sleeve is provided with a grinding inner cavity simulating a stator cavity;
the grinding fluid supply mechanism is used for storing grinding fluid and conveying the grinding fluid into the grinding sleeve;
the sliding table mechanism comprises a sliding table, a sliding block, guide rails and a driving unit, the two sides of the sliding table are connected to the guide rails through the sliding block in a pair mode, the guide rails are installed on the machine body and extend along the left and right directions, and the driving unit is installed on the machine body and used for driving the sliding table to move along the guide rails.
Further, the grinding fluid supply mechanism comprises a low-position storage tank, a delivery pump, a high-position storage tank and a connecting pipe which are sequentially connected through a pipeline, the low-position storage tank is arranged below the left opening of the grinding sleeve and used for collecting the grinding fluid flowing out from the left opening of the grinding sleeve, the high-position storage tank is arranged above the right opening of the grinding sleeve and used for delivering the grinding fluid into the grinding sleeve (through a height difference), and the connecting pipe is hermetically connected with the right end of the grinding sleeve and communicated with the grinding sleeve.
Furthermore, a collecting hopper is arranged above the low-position storage box.
Further, the drive unit comprises a third motor, a lead screw and a nut seat which are sequentially connected, the third motor is installed on the lathe bed, the lead screw is supported on the lathe bed through a pair of bearing seats, and the nut seat is installed on the sliding table.
Further, the grinding sleeve is replaced by a stator (to be ground).
According to the grinding device, the rotor is arranged in the grinding sleeve simulating the stator structure, the rotation is realized through the driving of the first variable frequency motor, the rightward translation is realized through the driving of the sliding table mechanism, and the surface of the stator is uniformly ground under the action of grinding liquid in the process of rotating and advancing (rightward) until the surface of the stator is matched with the grinding inner cavity, namely matched with the stator cavity, so that the required size requirement is met; because only one end of the rotor is supported, the rotor can fall on the lower part of the grinding inner cavity under the action of self weight, even if the grinding inner cavity is provided with a wear-resistant layer on the surface, the wear loss of the lower part of the grinding inner cavity is larger than that of other parts in the continuous grinding process, the inner cavity is eccentric, so that the rotating torque of the rotor is changed, the second variable frequency motor is monitored and fed back through the torque sensor, the second variable frequency motor drives the grinding sleeve to rotate, the contact part of the grinding inner cavity and the rotor is changed, the torque is restored to a preset value, the eccentricity can be effectively reduced, and the grinding size of the circumferential direction of the rotor is ensured to be uniform; in addition, the device has the advantages of simple integral structure, low manufacturing cost and simple grinding process, and can control the integral grinding cost of the metal rotor.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, a grinding device for a metal rotor 8 of a conical screw pump 7 is characterized in that: comprises a lathe bed 18, a sliding table 15 mechanism, a rotor 8 rotating mechanism, a grinding sleeve 1 rotating mechanism and a grinding fluid supply mechanism;
the rotor 8 rotating mechanism comprises a first variable frequency motor 14, a coupler 13, a torque sensor 12, a universal joint 10 and a first clamp 9 which are sequentially connected from left to right, the first variable frequency motor 14 is installed on a sliding table 15 of a sliding table 15 mechanism, a rotating shaft of the first variable frequency motor 14 is connected with one end of the torque sensor 12 through the coupler 13, the other end of the torque sensor 12 is supported on a support 11 and connected with one end of the universal joint 10, the other end of the universal joint 10 is connected with the first clamp 9, and the first clamp 9 clamps one end of the rotor 8;
the grinding sleeve 1 rotating mechanism comprises a second variable frequency motor, a second clamp 3 and a grinding sleeve 1 which are sequentially connected from right to left, the second variable frequency motor is arranged in a second motor box 2 at the right end of the lathe bed 18, the end part of a rotating shaft of the second variable frequency motor is connected with the second clamp 3, the second clamp clamps and is connected with the grinding sleeve, and the grinding sleeve 1 is provided with a grinding inner cavity simulating a stator cavity;
the grinding fluid supply mechanism is used for storing grinding fluid and conveying the grinding fluid into the grinding sleeve 1, and specifically comprises a low-position storage tank, a conveying pump 7, a high-position storage tank 5 and a connecting pipe 4 which are sequentially connected through a pipeline, wherein the low-position storage tank is arranged below a left opening of the grinding sleeve 1, a collecting hopper 6 is arranged above the low-position storage tank and used for collecting the grinding fluid flowing out of a left end opening of the grinding sleeve 1, the high-position storage tank 5 is arranged above a right opening of the grinding sleeve 1 and used for conveying the grinding fluid into the grinding sleeve 1 (through a height difference), and the connecting pipe 4 is hermetically connected with the right end of the grinding sleeve 1 and communicated with the grinding sleeve 1;
the sliding table 15 mechanism comprises a sliding table 15, a sliding block 16, guide rails 17 and a driving unit, two sides of the sliding table 15 are connected to a pair of guide rails 17 through the sliding block 16 in a sliding mode, the pair of guide rails 17 are installed on a machine body 18 and extend along the left-right direction, the driving unit is installed on the machine body 18 and is used for driving the sliding table 15 to move along the guide rails 17, concretely, the driving unit comprises a third motor, a lead screw and a nut seat which are sequentially connected, the third motor is installed on the machine body, a rotating shaft of the third motor is connected with the lead screw through a coupler, the lead screw is supported on the machine body through a pair of bearing seats, the nut seat is installed on the sliding table and is matched with the lead screw, the driving unit is a conventional driving unit matched with the sliding table, and the specific structure is not shown in the drawing.
In other embodiments, the grinding sleeve 1 is replaced by a stator (to be ground), i.e. synchronous grinding assembly of the rotor and the stator can be realized.
Claims (5)
1. The utility model provides a grinder suitable for metal rotor of toper screw pump which characterized in that: comprises a lathe bed, a sliding table mechanism, a rotor rotating mechanism, a grinding sleeve rotating mechanism and a grinding fluid supply mechanism;
the rotor rotating mechanism comprises a first variable frequency motor, a coupler, a torque sensor, a universal joint and a first clamp which are sequentially connected from left to right, and the first variable frequency motor is arranged on a sliding table of the sliding table mechanism;
the grinding sleeve rotating mechanism comprises a second variable frequency motor, a second clamp and a grinding sleeve which are sequentially connected from right to left, the second variable frequency motor is arranged on the lathe bed, and the grinding sleeve is provided with a grinding inner cavity simulating a stator cavity;
the grinding fluid supply mechanism is used for storing grinding fluid and conveying the grinding fluid into the grinding sleeve;
the sliding table mechanism comprises a sliding table, a sliding block, guide rails and a driving unit, the two sides of the sliding table are connected to the guide rails through the sliding block in a pair mode, the guide rails are installed on the machine body and extend along the left and right directions, and the driving unit is installed on the machine body and used for driving the sliding table to move along the guide rails.
2. The grinding apparatus for a metal rotor of a conical screw pump according to claim 1, wherein: the grinding fluid supply mechanism comprises a low-position storage tank, a delivery pump, a high-position storage tank and a connecting pipe which are sequentially connected through a pipeline, the low-position storage tank is arranged below an opening at the left side of the grinding sleeve and used for collecting grinding fluid flowing out from an opening at the left end of the grinding sleeve, the high-position storage tank is arranged above an opening at the right side of the grinding sleeve and used for delivering the grinding fluid into the grinding sleeve, and the connecting pipe is hermetically connected with the right end of the grinding sleeve and communicated with the grinding sleeve.
3. The grinding device for a metal rotor of a conical screw pump according to claim 2, wherein: and a collecting hopper is arranged above the low-position storage box.
4. The grinding apparatus for a metal rotor of a conical screw pump according to claim 1, wherein: the driving unit comprises a third motor, a lead screw and a nut seat which are sequentially connected, the third motor is installed on the lathe bed, the lead screw is supported on the lathe bed through a pair of bearing seats, and the nut seat is installed on the sliding table.
5. A grinder assembly for a metal rotor of a progressive cavity pump according to any one of claims 1 to 4, wherein: the grinding sleeve is replaced by a stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122046784.XU CN216179555U (en) | 2021-08-27 | 2021-08-27 | Grinder suitable for metal rotor of conical screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122046784.XU CN216179555U (en) | 2021-08-27 | 2021-08-27 | Grinder suitable for metal rotor of conical screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216179555U true CN216179555U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122046784.XU Active CN216179555U (en) | 2021-08-27 | 2021-08-27 | Grinder suitable for metal rotor of conical screw pump |
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| Country | Link |
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| CN (1) | CN216179555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115741346A (en) * | 2022-11-16 | 2023-03-07 | 无锡恒信北石科技有限公司 | Pump body grinding device and process |
-
2021
- 2021-08-27 CN CN202122046784.XU patent/CN216179555U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115741346A (en) * | 2022-11-16 | 2023-03-07 | 无锡恒信北石科技有限公司 | Pump body grinding device and process |
| CN115741346B (en) * | 2022-11-16 | 2024-04-12 | 无锡恒信北石科技有限公司 | Pump body grinding device and process |
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