Processing method of micro-volume large-flow non-leakage pump rotor

Abstract

The application discloses a micro-volume large-flow non-leakage pump rotor and a processing method thereof, and relates to the field of pump rotor processing technology.The rotor body is internally provided with a flow channel for fluid delivery, the flow channel is internally connected with a guide vane mechanism, the inner wall of the flow channel is provided with a first limiting groove for connecting the guide vane mechanism, the guide vane mechanism comprises at least two helical guide vanes and a fixing column for fixed connection between adjacent two guide vanes, the fixing column is inserted into the first limiting groove, and the fixed assembly of the guide vanes and the rotor body is realized.The application can not only improve the self-suction capacity of the rotor, but also improve the connection strength and stability between the guide vane mechanism and the rotor body, and the installation and dismounting are convenient and fast.The processing method is simple in steps, is beneficial to the processing and assembly of the guide vane mechanism, improves the assembly precision between the guide vane mechanism and the rotor body, and reduces the processing and manufacturing difficulty.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of micro-volume large flow no-leakage pump rotor and its processing method. BACKGROUND

[0002] Pump is the mechanical of conveying fluid or making fluid pressurized. It transmits the mechanical energy of prime mover or other external energy to liquid, so that the liquid energy increases. Pump is mainly used to transport water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal etc. liquid, also can transport liquid, gas mixture and liquid containing suspended solid.

[0003] The pump in prior art due to the defect of structural design, cause the self-suction capacity of pump is not high, influence the delivery efficiency of pump to fluid, simultaneously due to the driving of rotating shaft, cause the wear of rotor is more serious, influence the service life of pump. SUMMARY

[0004] The present application aims at the deficiencies of the prior art to provide a kind of micro-volume large flow no-leakage pump rotor and its processing method technical scheme, not only can improve the self-suction capacity of rotor, but also can improve the connecting strength and stability between guide vane mechanism and rotor body, installation is convenient and quick, the processing method step is simple, not only is favorable to the processing assembly of guide vane mechanism, but also improves the assembly accuracy between guide vane mechanism and rotor body, reduces the difficulty of processing and manufacturing.

[0005] In order to solve the above technical problems, the present application adopts the following technical scheme:

[0006] A kind of micro-volume large flow no-leakage pump rotor, including rotor body, it is characterized in that: rotor body is equipped with flow channel for fluid transport, flow channel is connected with guide vane mechanism, the inner wall of flow channel is equipped with first limit slot for connecting guide vane mechanism, guide vane mechanism includes at least two helical guide vanes and the fixed column for the fixed connection between adjacent two guide vanes, by the fixed column insertion first limit slot, realize the fixed assembly of guide vane and rotor body;Through the design of the above structure, not only can improve the self-suction capacity of rotor, but also can improve the connecting strength and stability between guide vane mechanism and rotor body, installation is convenient and quick.

[0007] Further, the helical line of guide vane is Archimedes helical line.

[0008] Further, at least two guide vanes are annularly and uniformly distributed in the flow channel, and the inner edge of the same guide vane forms a channel with a diameter h through helix, h>0.

[0009] Further, the two ends of the guide vane are respectively provided with a first flow guide plate and a second flow guide plate, the first flow guide plate is arranged on the guide vane near the fluid input side, and the second flow guide plate is arranged on the guide vane near the fluid output side. Further, the two ends of the guide vane are respectively provided with a first flow guide plate and a second flow guide plate, the first flow guide plate is arranged on the guide vane near the fluid input side, and the second flow guide plate is arranged on the guide vane near the fluid output side.

[0010] Further, the length of the first guide plate is greater than the width of the guide vane, one end of the first guide plate is flush with the outer side edge of the guide vane, and the other end of the first guide plate protrudes radially beyond the inner side edge of the guide vane, and the length of the second guide plate is less than the width of the guide vane.

[0011] Further, the guide vane is provided with a welding groove matched with the fixing column, so that the guide vane and the fixing column are welded and fixed. Since the guide vane in the form of an Archimedes spiral has elasticity, the fixing column can be used to fix each guide vane, facilitating assembly of the entire guide vane mechanism.

[0012] Further, the magnetic steel is connected to the rotor body through the fixing block, the rotor body is provided with a third limiting groove, and the fixing block is embedded in the third limiting groove, so as to realize fixed assembly of the magnetic steel and the rotor body. The rotation of the rotor body can drive the internal guide vane mechanism to rotate, reduce friction and wear, and facilitate reduction of the size of the rotor and realization of large-flow conveying.

[0013] Further, the bearing is connected to the second limiting groove, thereby reducing wear during rotation of the rotor.

[0014] Further, the rotor body is provided with an impeller, and the impeller is integrally formed with the rotor body.

[0015] The processing method of the above-mentioned micro-volume large-flow non-leakage pump rotor comprises the following steps:

[0016] 1) Rotor body processing

[0017] a. First, form the required rotor body and impeller by integral casting, the impeller is located on the side close to the fluid output, the rotor body and the impeller are hollow inside to form a flow channel for fluid circulation;

[0018] b. Then, a second limiting groove and a third limiting groove are formed along the outer circumferential side of the rotor, and the second limiting groove is distributed on both sides of the third limiting groove;

[0019] c. Then, a first limiting groove is formed on the inner wall of the rotor body at the fluid input end, for assembling the guide vane mechanism;

[0020] d. Finally, the rotor body is polished;

[0021] 2) Guide vane mechanism processing

[0022] a. First, determine the size of the guide vane according to the size of the flow channel, process the required guide vane, and install the first guide plate and the second guide plate at both ends of the guide vane respectively, and ensure uniform width and thickness during guide vane processing;

[0023] b. Then determine the size of the fixed column according to the radius and length of the first limiting groove, and process the required fixed column;

[0024] 3) Vane mechanism assembly

[0025] a. First, start the vane assembly device according to the size of the fixed rod, push the rotating column upwards by the lifting mechanism until the top end of the rotating column matches the top end of the fixed column at the designed height, and the outer circumferential side of the rotating column is distributed with helical groove;

[0026] b. Then place the positioning ring on the welding table of the vane assembly device, clamp and fix the positioning ring through the clamping mechanism on the top surface of the welding table, and align the clamping groove on the positioning ring with the blind hole on the welding table;

[0027] c. Then, the processed vane is placed with the side with the second guide plate facing down, and is rotated into the corresponding helical groove from the top of the rotating column until the second guide plate at the top of the vane contacts the top of the rotating column, and then the next vane is rotated in until the required number of vanes are assembled with the rotating column, and then the processed fixed column is inserted into the welding groove of each vane and the clamping groove of the positioning ring from top to bottom, until the bottom of the fixed column is limited in the blind hole;

[0028] d. After the vane mechanism is assembled, install the positioning mechanism on the top of the fixed column and the rotating column, insert the first guide plate into the positioning mechanism, and weld the vanes with each fixed column by hand or mechanical arm;

[0029] e. After welding, start the lifting mechanism to rotate the rotating column while moving it downward until the vanes are completely separated from the rotating column;

[0030] f. Finally, loosen the clamping mechanism, take out the positioning ring and positioning mechanism with both hands, and insert the fixed column along the first limiting groove in the rotor body in the horizontal direction. During the insertion of the fixed column into the first limiting groove, the positioning ring moves in the direction of the positioning mechanism until the positioning ring contacts the positioning mechanism. Then remove the positioning mechanism, take out the positioning ring, and insert the positioning column completely into the first limiting groove to achieve the fixed connection of the vanes and the rotor body;

[0031] 4) Magnetic steel and bearing assembly

[0032] a. First, process a suitable fixed block according to the size of the third limiting groove, and select a corresponding magnetic steel. The magnetic steel is fixed in the third limiting groove through the fixed block to realize the connection of the magnetic steel and the rotor body;

[0033] b. Then select the bearing and install it in the second limiting groove on the rotor body.

[0034] The processing method has simple steps, is not only conducive to the processing and assembly of the guide vane mechanism, but also improves the assembly accuracy between the guide vane mechanism and the rotor body, and reduces the difficulty of processing and manufacturing.

[0035] The present invention has the following beneficial effects due to the adoption of the above technical solution:

[0036] 1. The rotor of the present invention can not only improve the self-priming ability of the rotor, but also improve the connection strength and stability between the guide vane mechanism and the rotor body, and is convenient and quick to install and disassemble.

[0037] 2. Since the guide vanes in the form of Archimedean spirals are elastic, each guide vane can be fixed by a fixing column, which facilitates the assembly of the entire guide vane mechanism.

[0038] 3. The processing method has simple steps, which is not only conducive to the processing and assembly of the guide vane mechanism, but also improves the assembly accuracy between the guide vane mechanism and the rotor body, and reduces the difficulty of processing and manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The present invention will be further described below in conjunction with the accompanying drawings:

[0040] Figure 1 This is a structural schematic diagram of a micro-volume, high-flow, leak-free pump rotor and a processing method thereof according to the present invention;

[0041] Figure 2 Schematic diagram of the connection between the rotor body and the impeller in the present invention;

[0042] Figure 3 This is a rendering of the guide vane mechanism of the present invention;

[0043] Figure 4 This is a schematic diagram of the distribution of the guide vanes after the fixed columns are removed in the present invention;

[0044] Figure 5 This is a schematic structural diagram of the guide vane assembly equipment of the present invention;

[0045] Figure 6 for Figure 5 Schematic diagram of the structure in the A direction;

[0046] Figure 7 Schematic diagram of the structure of the positioning mechanism of the present invention;

[0047] Figure 8 Schematic diagram of the structure of the positioning ring in the present invention;

[0048] Figure 9 Schematic diagram of the structure of the lifting plate in the present invention;

[0049] Figure 10 for Figure 9Structure diagram of middle B direction;

[0050] Figure 11 Structure diagram of the equipment for assembling the guide vane after removing the fixing column and the positioning mechanism in the application;

[0051] Figure 12 Structure diagram of the rotating column in the application.

[0052] In the figure: 1-rotor body; 2-guide vane mechanism; 3-flow channel; 4-impeller; 5-magnetic steel; 6-fixing block; 7-bearing; 8-first limiting groove; 9-second limiting groove; 10-third limiting groove; 11-guide vane; 12-fixing column; 13-first guide plate; 14-second guide plate; 15-welding groove; 16-welding table; 17-support frame; 18-bottom plate; 19-air cylinder; 20-clamping block; 21-piston rod; 22-guide groove; 23-positioning ring; 24-rotating column; 25-positioning mechanism; 26-control box; 27-lifting mechanism; 28-guide rod; 29-through groove; 30-first motor; 31-screw rod; 32-positioning disc; 33-cantilever; 34-sleeve; 35-first handrail; 36-positioning groove; 37-annular groove; 38-clamping groove; 39-second handrail; 40-lifting plate; 41-Z-shaped block; 42-rotating shaft; 43-support wheel; 44-guiding block; 45-boosting block; 46-second motor; 47-blind hole; 48-spiral groove; 49-clamping ring. DETAILED DESCRIPTION

[0053] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0054] In order for those skilled in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0055] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0056] As Figures 1 to 4As shown, it is a micro-volume large-flow non-leakage pump rotor, comprising a rotor body 1 and a guide vane mechanism 2, the rotor body 1 is provided with a flow channel 3 for fluid conveying, the rotor body 1 is provided with an impeller 4, the impeller 4 is integrally formed with the rotor body 1, the inside of the impeller 4 is hollow and communicates with the flow channel 3, facilitating the centrifugal throwing of the fluid.

[0057] The flow channel 3 is connected with the guide vane mechanism 2, the inner wall of the flow channel 3 is provided with a first limiting groove 8 for connecting the guide vane mechanism 2, the guide vane mechanism 2 comprises at least two spiral guide vanes 11 and a fixing column 12 for fixed connection between adjacent two guide vanes 11, the spiral line of the guide vane 11 is an Archimedes spiral, which is conducive to improving the stability of fluid conveying. Preferably, the present application is three guide vanes 11, which are evenly distributed in the flow channel 3 in a ring shape, the inside edge of the same guide vane 11 forms a channel with a diameter h through the spiral, h>0, realizing large-flow conveying of fluid.

[0058] The fixing column 12 is inserted into the first limiting groove 8, realizing the fixed assembly of the guide vane 11 and the rotor body 1; through the design of the above structure, not only the self-suction capacity of the rotor can be improved, but also the connection strength and stability between the guide vane mechanism 2 and the rotor body 1 can be improved, and the installation and disassembly are convenient and fast.

[0059] The two ends of the guide vane 11 are respectively provided with a first flow guide plate 13 and a second flow guide plate 14, the first flow guide plate 13 is arranged on the guide vane 11 close to the side of fluid input, and the second flow guide plate 14 is arranged on the guide vane 11 close to the side of fluid output, the fluid can be guided into the flow channel 3 through the first flow guide plate 13, and the second flow guide plate 14 is conducive to the continuous output of the fluid along the flow channel 3. The length of the first flow guide plate 13 is greater than the width of the guide vane 11, one end of the first flow guide plate 13 is flush with the outside edge of the guide vane 11, the other end of the first flow guide plate 13 protrudes radially from the inside edge of the guide vane 11, and the length of the second flow guide plate 14 is less than the width of the guide vane 11.

[0060] The guide vane 11 is provided with a welding groove 15, the welding groove 15 is distributed on the outside edge of the guide vane 11, the welding groove 15 is matched with the fixing column 12, and the guide vane 11 and the fixing column 12 are welded and fixed, since the guide vane 11 with Archimedes spiral line has elasticity, each guide vane 11 can be fixed through the fixing column 12, facilitating the assembly of the whole guide vane mechanism 2, and meanwhile not affecting the normal conveying of fluid.

[0061] The outside of the rotor body 1 is provided with a magnetic steel 5, the magnetic steel 5 is connected to the rotor body 1 through a fixing block 6, the rotor body 1 is provided with a third limiting groove 10, the fixing block 6 is embedded in the third limiting groove 10, realizing the fixed assembly of the magnetic steel 5 and the rotor body 1, the rotation of the rotor body 1 can drive the internal guide vane mechanism 2 to rotate, reducing friction and wear, which is conducive to reducing the volume of the rotor and realizing large-flow conveying.

[0062] The rotor body 1 is provided with bearings 7, and the rotor body 1 is provided with second limiting grooves 9 distributed on both sides of third limiting grooves 10, and the bearings 7 are connected in the second limiting grooves 9, thereby reducing wear during rotation of the rotor.

[0063] The processing method of the micro-volume large-flow non-leakage pump rotor as described above, as shown in the figure, comprises the following steps: Figures 5 to 12 The processing method of the micro-volume large-flow non-leakage pump rotor as described above, as shown in the figure, comprises the following steps:

[0064] 1) Rotor body 1 processing

[0065] a. First, the required rotor body 1 and impeller 4 are formed by integral casting, the impeller 4 is located on the side close to the fluid output, the inside of the rotor body 1 and the impeller 4 is hollow, forming a flow passage 3 for fluid flow;

[0066] b. Then, the second limiting grooves 9 and the third limiting grooves 10 are opened along the outer circumferential side of the rotor, the second limiting grooves 9 are distributed on both sides of the third limiting grooves 10, and the second limiting grooves 9 are located at both ends of the rotor body 1, facilitating installation and removal;

[0067] c. Then, the first limiting grooves 8 are opened along the inner wall of the rotor body 1 at the fluid input end, for assembling the guide vane mechanism 2, and the first limiting grooves 8 are also provided with three corresponding fixed columns 12, and are evenly distributed in a ring shape;

[0068] d. Finally, the rotor body 1 is polished;

[0069] 2) Guide vane mechanism 2 processing

[0070] a. First, determine the size of the guide vane 11 according to the size of the flow passage 3, process the required guide vane 11, and install the first guide plate 13 and the second guide plate 14 at both ends of the guide vane 11 respectively, and ensure that the width and thickness dimensions of the guide vane 11 are uniform during processing;

[0071] b. Then, determine the size of the fixed column 12 according to the radius and length of the first limiting groove 8, and process the required fixed column 12;

[0072] 3) Guide vane mechanism 2 assembly

[0073] a. First, start the guide vane 11 assembly equipment according to the size of the fixed rod, push the rotating column 24 upward through the lifting mechanism 27 until the top end of the rotating column 24 matches the top end of the fixed column 12 at the designed height, and the outer circumferential side of the rotating column 24 is distributed with helical grooves 48;

[0074] The lifting mechanism 27 comprises a lifting plate 40, a guide rod 28, a screw rod 31 and a first motor 30, the bottom of the welding table 16 is provided with a support frame 17, the support frame 17 is provided with a bottom plate 18, the bottom plate 18 is provided with a through slot 29, the bottom plate 18 is connected to the bottom surface of the welding table 16 through four guide rods 28, the first motor 30 is arranged on the bottom surface of the bottom plate 18, the first motor 30 is connected to the welding table 16 through the screw rod 31, the side surface of the lifting plate 40 is provided with a guide block 44, the guide block 44 is sleeved on the guide rod 28 and slides up and down along the guide rod 28. The side surface of the lifting plate 40 is also provided with a boost block 45, the boost block 45 is provided with a threaded hole, and the boost block 45 is threadedly connected with the screw rod 31 through the threaded hole. The first motor 30 drives the screw rod 31 to rotate, so that the boost block 45 drives the lifting plate 40 to move up and down, the height of the rotating column 24 is adjusted, and the stability and reliability during welding between the guide vane 11 and the fixed column 12 are improved. The side surface of the support frame 17 is provided with a control box 26, the control box 26 is provided with a control panel and a power interface, and the guide vane 11 assembling device is controlled.

[0075] The bottom of the rotating column 24 is provided with a snap ring 49 and an annular groove 37, and the top surface of the lifting plate 40 is annularly provided with a support wheel 43, the support wheel 43 is limited in the annular groove 37 and is used for supporting the rotating column 24. The lifting plate 40 is also provided with a Z-shaped block 41, the Z-shaped block 41 is annularly distributed on the lifting plate 40 and is used for limiting the annular groove 37 to prevent the rotating column 24 from jumping. The bottom surface of the lifting plate 40 is provided with a second motor 46, the second motor 46 is connected to the rotating column 24 through a rotating shaft 42 and is used for driving the rotating column 24 to rotate, so as to facilitate the rotating column 24 to be separated from the guide vane 11.

[0076] b. Then the positioning ring 23 is placed on the welding table 16 of the guide vane 11 assembling device, the positioning ring 23 is clamped and fixed through the clamping mechanism on the top surface of the welding table 16, and the clamping groove 38 on the positioning ring 23 is aligned with the blind hole 47 on the welding table 16;

[0077] The clamping mechanism specifically comprises a pneumatic cylinder 19, a piston rod 21 and a clamping block 20, the clamping block 20 is connected to the pneumatic cylinder 19 through the piston rod 21, the pneumatic cylinder 19 is fixed on the welding table 16, the welding table 16 is provided with a guide groove 22, the clamping block 20 is limited in the guide groove 22 through a moving block, so as to ensure that the clamping block 20 moves along a straight line and improve the stability and reliability of clamping the positioning ring 23.

[0078] The top surface of the positioning ring 23 can be uniformly distributed with a second handrail 39, so as to facilitate taking the positioning ring 23.

[0079] c. Next, screw the processed guide vane 11 downward into the corresponding spiral groove 48 from the top of the rotating column 24, with the side with the second guide plate 14 facing downward, until the second guide plate 14 at the top of the guide vane 11 contacts the top of the rotating column 24. Then screw in the next guide vane 11 until the required number of guide vanes 11 and rotating columns 24 are assembled. Then, insert the processed fixing column 12 from top to bottom into the welding groove 15 on each guide vane 11 and the retaining groove 38 on the positioning ring 23 until the bottom of the fixing column 12 is restrained in the blind hole 47.

[0080] d. After the guide vane mechanism 2 is assembled, the positioning mechanism 25 is installed on the top of the fixed column 12 and the rotating column 24, the first guide plate 13 is inserted into the positioning mechanism 25, and the guide vane 11 is welded to each fixed column 12 manually or by a robotic arm;

[0081] The positioning mechanism 25 specifically comprises a positioning plate 32, cantilever arms 33, and a sleeve 34. Three cantilever arms 33 are arranged in a circular pattern around the outer circumference of the positioning plate 32. The sleeve 34 is fixed to the bottom of the cantilever arms 33 and is designed to receive the end of the fixing post 12. A positioning groove 36 is provided at the bottom of the positioning plate 32. This groove 36 mates with the first guide plate 13, facilitating the positioning of the first guide plate 13 and ensuring the stability and reliability of the weld between the guide vane 11 and the fixing post 12. A first handrail 35 is provided on the top surface of the positioning plate 32 for easy removal.

[0082] e. After welding is completed, the lifting mechanism 27 is started, and the lifting mechanism 27 drives the rotating column 24 to rotate while moving downward until each guide vane 11 is completely separated from the rotating column 24;

[0083] f. Finally, loosen the clamping mechanism, remove the positioning ring 23 and the positioning mechanism 25 with both hands, and remove the guide vane mechanism 2 together with the positioning ring 23 and the positioning mechanism 25. Insert the fixing column 12 horizontally along the first limiting groove 8 in the rotor body 1. During the process of inserting the fixing column 12 into the first limiting groove 8, the positioning ring 23 moves along the direction of the positioning mechanism 25 until the positioning ring 23 contacts the positioning mechanism 25. First remove the positioning mechanism 25, then remove the positioning ring 23, and manually insert the positioning column completely into the first limiting groove 8 to achieve a fixed connection between the guide vane 11 and the rotor body 1.

[0084] 4) Assembling the magnet 5 and the bearing 7

[0085] a. First, a suitable fixing block 6 is machined according to the size of the third limiting slot 10, and a corresponding magnetic steel 5 is selected. The magnetic steel 5 is fixed to the third limiting slot 10 through the fixing block 6 to achieve connection between the magnetic steel 5 and the rotor body 1;

[0086] b. Then select a bearing 7 and install the bearing 7 in the second limiting groove 9 on the rotor body 1.

[0087] The machining method is simple in steps, is beneficial to machining and assembling of the guide vane mechanism 2, improves assembling precision between the guide vane mechanism 2 and the rotor body 1, and reduces machining difficulty.

[0088] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited thereto. Any simple change, equivalent replacement or modification, etc. made on the basis of the present application for realizing basically the same technical effect is covered in the protection scope of the present application.

Claims

1. A method for processing a micro-volume, high-flow, leak-free pump rotor, the micro-volume, high-flow, leak-free pump rotor comprising a rotor body, characterized in that: The rotor body is provided with a flow channel for fluid transportation, the flow channel is connected to a guide vane mechanism, the inner wall of the flow channel is provided with a first limiting groove for connecting the guide vane mechanism, the guide vane mechanism includes at least two spiral guide vanes and a fixing column for fixing two adjacent guide vanes together, and the fixing column is inserted into the first limiting groove to achieve fixed assembly of the guide vane and the rotor body; the steps include: 1) Rotor body processing a. First, the required rotor body and impeller are formed by integral casting. The impeller is located on the side close to the fluid output. The interior of the rotor body and impeller is hollow to form a flow channel for fluid circulation; b. Then, a second limiting groove and a third limiting groove are formed along the outer circumferential side of the rotor, so that the second limiting groove is distributed on both sides of the third limiting groove; c. Then, a first limiting groove is formed on the inner wall of the rotor body along one end of the fluid input for assembling the guide vane mechanism; d. Finally, the rotor body is ground and polished; 2) Guide vane mechanism processing a. First, determine the size of the guide vane according to the size of the flow channel, process the required guide vane, and install the first guide plate and the second guide plate along both ends of the guide vane. Ensure that the width and thickness of the guide vane are uniform during processing; b. Then determine the size of the fixing column according to the radius and length of the first limiting groove, and process the required fixing column; 3) Guide vane mechanism assembly a. First, start the guide vane assembly equipment according to the size of the fixed rod. Use the lifting mechanism to push the rotating column upward until the top of the rotating column matches the top of the designed height of the fixed column. Spiral grooves are distributed on the outer circumference of the rotating column. b. Then place the locating ring on the welding table of the guide vane assembly equipment, and clamp the locating ring with the clamping mechanism on the top surface of the welding table so that the slot on the locating ring is aligned with the blind hole on the welding table; c. Next, screw the processed guide vane with the side with the second guide plate facing downward into the corresponding spiral groove from the top of the rotating column until the second guide plate at the top of the guide vane contacts the top of the rotating column. Then screw in the next guide vane until the required number of guide vanes and rotating columns are assembled. Then, insert the processed fixing column into the welding groove on each guide vane and the clamping groove on the positioning ring from top to bottom, until the bottom of the fixing column is fixed in the blind hole. d. After the guide vane mechanism is fully assembled, install the positioning mechanism on the top of the fixed column and the rotating column, insert the first guide plate into the positioning mechanism, and weld the guide vane to each fixed column manually or by a robotic arm; e. After welding is completed, start the lifting mechanism, which drives the rotating column to rotate while moving downward until all the guide vanes are completely separated from the rotating column; f. Finally, loosen the clamping mechanism, remove the positioning ring and positioning mechanism with both hands, and remove the guide vane mechanism together with the positioning ring and positioning mechanism. Insert the fixing column horizontally along the first limiting groove in the rotor body. During the process of inserting the fixing column into the first limiting groove, the positioning ring moves along the direction of the positioning mechanism until the positioning ring contacts the positioning mechanism. First remove the positioning mechanism, then remove the positioning ring, and manually insert the positioning column completely into the first limiting groove to achieve a fixed connection between the guide vane and the rotor body. 4) Magnet and bearing assembly a. First, process a suitable fixing block according to the size of the third limiting slot, select the corresponding magnetic steel, and fix the magnetic steel to the third limiting slot through the fixing block to achieve the connection between the magnetic steel and the rotor body; b. Then select a bearing and install it in the second limiting groove on the rotor body.

2. The method for processing a micro-volume, high-flow, leak-free pump rotor according to claim 1, characterized in that: The spiral line of the guide vane is an Archimedean spiral line.

3. The method for processing a micro-volume, high-flow, leak-free pump rotor according to claim 1, characterized in that: At least two guide vanes are evenly distributed in the flow channel in an annular shape, and the inner edge of the same guide vane is spirally formed into a channel with a diameter of h, where h>0.

4. The method for processing a micro-volume, high-flow, leak-free pump rotor according to claim 1, characterized in that: A first guide plate and a second guide plate are respectively provided at both ends of the guide vane. The first guide plate is provided on a side of the guide vane close to the fluid input, and the second guide plate is provided on a side of the guide vane close to the fluid output.

5. The method for processing a micro-volume, high-flow, leak-free pump rotor according to claim 4, characterized in that: The length of the first guide plate is greater than the width of the guide vane, one end of the first guide plate is flush with the outer edge of the guide vane, the other end of the first guide plate radially protrudes beyond the inner edge of the guide vane, and the length of the second guide plate is less than the width of the guide vane.

6. The method for processing a micro-volume, high-flow, leak-free pump rotor according to claim 1, characterized in that: The guide vane is provided with a welding groove, and the welding groove matches the fixing column.

7. The method for processing a micro-volume, high-flow, leak-free pump rotor according to claim 1, characterized in that: It also includes a magnetic steel, which is connected to the rotor body through a fixing block. The rotor body is provided with a third limiting groove, and the fixing block is embedded in the third limiting groove to achieve fixed assembly of the magnetic steel and the rotor body.

8. The method for processing a micro-volume, high-flow, leak-free pump rotor according to claim 7, characterized in that: It also includes a bearing. The rotor body is provided with a second limiting groove. The second limiting groove is distributed on both sides of the third limiting groove. The bearing is connected to the second limiting groove.

9. The method for processing a micro-volume, high-flow, leak-free pump rotor according to claim 1, characterized in that: The rotor body is provided with an impeller, and the impeller and the rotor body are integrally formed.

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