CN109630455B - Plastic pump shaft and manufacturing method thereof - Google Patents
Plastic pump shaft and manufacturing method thereof Download PDFInfo
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- CN109630455B CN109630455B CN201811610003.1A CN201811610003A CN109630455B CN 109630455 B CN109630455 B CN 109630455B CN 201811610003 A CN201811610003 A CN 201811610003A CN 109630455 B CN109630455 B CN 109630455B
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- protective shell
- fixedly arranged
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- frame
- roller
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides a plastic pump shaft and a manufacturing method thereof, and belongs to the technical field of water pumps. The pump shaft of the plastic pump solves the technical problems that the pump shaft of the existing plastic pump is easy to break and is not wear-resistant. A plastic pump shaft comprises a main shaft made of alloy steel, and is characterized in that one end of the main shaft is fixedly provided with a left protective shell, the other end of the main shaft is fixedly provided with a right protective shell, and the left protective shell and the right protective shell form a closed cavity; the left protective shell and the right protective shell are made of plastic, and ceramic rings capable of being sleeved with the shaft sleeves are fixedly arranged outside the left protective shell and the right protective shell respectively. The invention has the characteristics of wear resistance and fracture resistance.
Description
Technical Field
The invention belongs to the technical field of water pumps, and particularly relates to a plastic pump shaft and a manufacturing method thereof.
Background
Problems of the pump due to cavitation: the cavitation of the pump is mainly caused by the large resistance of the pump inlet pipe, more gaseous phase of the conveying medium, insufficient pump filling, insufficient energy head of the pump inlet and the like. The cavitation damage to the pump is the largest, and the pump vibrates violently when cavitation occurs, so that the balance is seriously damaged, and the plastic pump bearing and the pump shaft are damaged.
The existing plastic pump shaft is made of silicon carbide or ceramic, the two materials are easy to break under the conditions of improper operation or under the conditions of locking of the pump shaft, non-concentricity of the pump shaft and a motor, idling, dry beating and the like, and workers in the technical field are necessary to design a wear-resistant and breakage-proof pump shaft.
Disclosure of Invention
The first purpose of the invention is to solve the problems in the prior art, and to provide a plastic pump shaft which has the characteristics of wear resistance and fracture resistance.
The first purpose of the invention can be realized by the following technical scheme: a plastic pump shaft comprises a main shaft made of alloy steel, and is characterized in that one end of the main shaft is fixedly provided with a left protective shell, the other end of the main shaft is fixedly provided with a right protective shell, and the left protective shell and the right protective shell form a closed cavity; the left protective shell and the right protective shell are made of plastic, and ceramic rings capable of being sleeved with shaft sleeves are fixedly arranged outside the left protective shell and the right protective shell respectively; the plastic is prepared from the following components in parts by weight: 90-100 parts of perfluoro (ethylene propylene) copolymer, 45-50 parts of methyl acrylate, 15-20 parts of polyvinylpyrrolidone, 10-12 parts of vinylidene fluoride, 5-6 parts of butyl acrylate grafted maleic anhydride, 3-5 parts of antioxidant, 1-2 parts of crosslinking agent and 1-2 parts of interface modifier.
The antioxidant is prepared from the following components in parts by weight: 1-2 parts of N-methyl-1, 2-phenylenediamine 5-6 parts and 1-isopropoxybenzene 3-5 parts.
The cross-linking agent comprises the following components in parts by weight: 10-12 parts of triallyl cyanurate and 8-10 parts of trithiocyanuric acid.
The interface modifier is fluorosilicone oil with at least one unsaturated bond or carboxylate with unsaturated double bonds.
The left protective shell and the right protective shell which are manufactured according to the components have the characteristic of high wear resistance, and alloy steel is adopted in the middle of the protective shell, so that the main shaft can be prevented from being broken when the main shaft is not operated properly or caused under the conditions of locking of the pump shaft, non-concentricity of the pump shaft and the motor, idling, dry beating and the like.
A second object of the present invention is to address the above problems with the prior art by providing a method of manufacturing a plastic pump shaft that provides for rapid assembly of a fracture resistant and high temperature resistant pump shaft.
The second purpose of the invention can be realized by the following technical scheme: a method of manufacturing a plastic pump shaft, comprising the steps of: a. purchasing raw materials: purchasing a ceramic ring; b. manufacturing a protective shell part: the left protective shell and the right protective shell are integrally formed through an injection molding machine; c. manufacturing a main shaft: turning a main shaft by a lathe; d. assembling and installing: placing the ceramic ring, the left protective shell, the right protective shell and the main shaft on a pump shaft assembling machine, spraying glue on the main shaft, then fixedly arranging the left protective shell and the right protective shell on the main shaft, and then fixedly arranging the ceramic ring on the left protective shell and the right protective shell respectively; e. screening and packaging: after screening, defective products are removed and recovered, and finished products are packed and put in storage.
The anti-fracture and high-temperature-resistant pump shaft can be efficiently assembled through the pump shaft assembling machine.
In the step d, the pump shaft assembling machine comprises a frame, an annular chute is formed in the frame, a plurality of sliding blocks are arranged in the chute in a sliding mode, and the sliding blocks can move in the chute in a circulating mode; the sliding blocks are provided with clamping mechanisms for fixing the main shaft; the rack is also fixedly provided with a first air cylinder for pushing the sliding block to move leftwards, a second air cylinder for pushing the sliding block to move rightwards and a third air cylinder for pushing the sliding block to move upwards; the first cylinder is positioned above the right side of the rack, the second cylinder is positioned below the left side of the rack, and the third cylinder is positioned below the right side of the rack far away from the second cylinder; a first placing rack is fixedly arranged on the rack, and two ends of the first placing rack are respectively provided with a first conveying mechanism for conveying the left protective shell or the right protective shell; a protective shell assembling mechanism used for fixing the left protective shell and the right protective shell on the main shaft is arranged below the placing frame; a second placing rack is fixedly arranged on the rack, and two ends of the second placing rack are respectively provided with a second conveying mechanism for conveying the ceramic rings; a ceramic ring assembling mechanism used for fixedly arranging a ceramic ring on the left protective shell or the right protective shell is arranged below the second placing frame; one side of the first placing frame far away from the second placing frame is provided with a gluing mechanism for spraying glue.
The working principle of the pump shaft assembling machine is as follows: the main shaft is fixed through a clamping mechanism, a first air cylinder above the rack can push the sliding block to the left, a tail end sliding block falls to the leftmost end of the lower sliding groove from the leftmost end of the upper sliding groove, the sliding block moves to drive the main shaft to move, the sliding block can be pushed to the right through a second air cylinder below the rack, then the sliding block is pushed to the first air cylinder through a third air cylinder at the rightmost end of the lower sliding groove, and then the sliding block is pushed to the left through the first air cylinder to form a cycle. The main shaft is transported to the gluing mechanism, glue is sprayed on the main shaft, the left protective shell or the right protective shell is fixedly arranged on the main shaft through the protective shell assembling mechanism, then the main shaft is transported to the ceramic ring assembling mechanism, the ceramic rings are fixedly arranged on the left protective shell and the right protective shell, the finished pump shaft is taken down and is stored after being screened. The anti-fracture and high-temperature-resistant pump shaft can be rapidly assembled through the pump shaft assembling machine.
The clamping mechanism comprises a sliding rod, a fixing frame is fixedly arranged on the sliding block, a through hole is formed in the sliding block, the sliding rod penetrates through the through hole, the upper part of the sliding rod is located in the fixing support, a spring is sleeved on the sliding rod, and the spring is located between the limiting block and the sliding block; the upper part and the lower part of the sliding rod are fixedly provided with limiting blocks for preventing the sliding rod from falling off; the fixed support is hinged with a first mechanical arm and a second mechanical arm, and the first mechanical arm and the second mechanical arm form a clamping opening for clamping the main shaft; torsion springs capable of enabling the first mechanical arm and the second mechanical arm to be close to each other are arranged on the first mechanical arm and the second mechanical arm; the lower parts of the first mechanical arm and the second mechanical arm are respectively provided with a supporting part, and the upper end surface of the sliding rod is abutted against the supporting parts; and a plurality of cylinders IV for pushing the sliding rod upwards and closing the clamping opening are fixedly arranged on the machine frame. Under the state often, the lower extreme of arm one and arm two is passed through the torsional spring and is drawn each other closely, form the clamping mouth between the upper end of messenger arm one and arm two, then place the main shaft in the clamping mouth, start cylinder four, the piston rod of cylinder four upwards promotes the slide bar, the upper portion promotion of slide bar withstands the supporting part of arm one and arm two lower parts, arm one opens to both sides with arm two lower parts, the clamping mouth tightens up to the closure, it is fixed to make the main shaft, after finishing assembling through cylinder four, make the clamping mouth grow, take off the finished product.
And the two side surfaces of the first mechanical arm and the second mechanical arm are respectively provided with an inclined sliding surface, and a plurality of rollers are rotatably arranged on the inclined sliding surfaces. When the left protective shell and the right protective shell are fixed, the inclined sliding surface and the roller can be used for conveniently propping open and contacting and fixing the clamping opening between the first mechanical arm and the second mechanical arm through pressure.
The conveying mechanism comprises a first conveying belt, a first roller and a second roller, the first roller and the second roller are fixedly arranged on the rack in a circumferential rotating and axial fixing mode, the conveying belt is sleeved on the first roller and the second roller, the first roller is driven by a first motor, and the first motor is fixedly arranged on the rack; a plurality of first partition plates are fixedly arranged on the first conveying belt at equal intervals; a first placing part for placing the left protective shell or the right protective shell is arranged between the adjacent first partition boards. The left protective shell or the right protective shell is placed on the first placing portion, the left protective shell or the right protective shell is separated through the first partition plate, and when the left protective shell or the right protective shell rotates to a preset position, the left protective shell or the right protective shell can fall off from the conveying belt.
The protective shell assembling mechanism comprises a first support frame, the first support frame is fixedly arranged on the rack, first workbenches are fixedly arranged at two ends of the first support frame, first pushing structures are arranged on the first workbenches, each pushing structure comprises a first hydraulic cylinder, a first fixing frame and a first pushing block, the first fixing frame is fixedly arranged on the first workbenches, and each first fixing frame is provided with a placing groove for placing the left protective shell or the right protective shell and a channel communicated with the placing groove; the piston rod of the first hydraulic cylinder is horizontally arranged, the first push block is fixedly arranged at the end part of the piston rod of the first hydraulic cylinder, and the first push block can enter the channel. When the left protective shell or the right protective shell on the first conveying belt falls into the placing groove, the first hydraulic cylinder is started, a piston rod of the first hydraulic cylinder pushes the left protective shell or the right protective shell into the channel, and the left protective shell or the right protective shell is directly pressed into the main shaft after being calibrated through the channel.
The second conveying mechanism comprises a second conveying belt, a third roller and a fourth roller, and the third roller and the fourth roller are fixedly arranged on the rack in a circumferential rotating and axial fixing mode; the conveying belt is sleeved on the third roller and the fourth roller, the third roller is driven by a second motor, the second motor is fixedly arranged on the rack, and a plurality of second partition plates are fixedly arranged on the second conveying belt at equal intervals; a second placing part for placing the ceramic ring is arranged between the adjacent second partition plates. On placing the portion two with ceramic ring, separate ceramic ring through baffle two, rotating preset position, left protective housing or right protective housing can be followed the conveyer belt and dropped.
Ceramic ring equipment mechanism include support frame two, support frame two sets firmly in the frame, two both ends of support frame all set firmly workstation two, all be provided with on workstation two and bulldoze structure two, the structure of bulldozing include pneumatic cylinder two, mount two and ejector pad two, mount two set firmly on workstation two, the mount has the approach that can pass through ceramic ring on two, the piston rod level of pneumatic cylinder two set up, ejector pad two sets firmly the tailpiece of the piston rod portion at pneumatic cylinder two, ejector pad two can get into the approach, two cross-sections of ejector pad be the ring form, the inner circle diameter of ejector pad two is greater than the diameter of left protective housing or right protective housing. When the ceramic ring on the second conveying belt falls into the placing groove, the second hydraulic cylinder is started, a piston rod of the second hydraulic cylinder pushes the ceramic ring into the entrance, and the left protective shell or the right protective shell is directly sleeved after the ceramic ring is calibrated through the entrance.
The gluing mechanism comprises a glue tank, a spray head, an air pump and a valve, wherein the glue tank is fixedly arranged on the frame, the spray head is fixedly arranged on the glue tank, the spray head is connected with the glue tank through a glue water pipe, the valve is fixedly arranged on the spray head, the air pump is fixedly arranged on the frame, and the air pump is connected with the spray head through an air pipe. And opening the valve, starting the air pump, enabling the glue to flow out of the glue tank and enter the spray head, and spraying the glue onto the main shaft by the spray head through air pressure.
Compared with the prior art, the invention has the following advantages:
1. the main shaft is made of alloy steel materials, so that the pump shaft can be prevented from being broken due to improper operation or under the conditions of locking of the pump shaft, non-concentricity of the pump shaft and a motor, idling, dry beating and the like. A left protective shell and a right protective shell are sleeved outside the main shaft, methyl acrylate, polyvinylpyrrolidone, vinylidene fluoride and butyl acrylate grafted maleic anhydride are added into the left protective shell and the right protective shell, and the wear resistance of the material is improved. The outside is equipped with ceramic ring, improves the wearability of pump shaft.
2. The pump shaft assembling machine can rapidly install the ceramic ring, the left protective shell and the right protective shell on the main shaft and can be bonded through glue. The assembly efficiency is improved.
3. When the left protective shell and the right protective shell are fixed, the inclined sliding surface and the roller can be used for conveniently propping open and contacting and fixing the clamping opening between the first mechanical arm and the second mechanical arm through pressure.
Drawings
Fig. 1 is a schematic view of the present pump shaft assembling machine.
Fig. 2 is a schematic diagram of a clamping mechanism in the pump shaft assembling machine.
Fig. 3 is a schematic view of the protective housing assembling mechanism in the pump shaft assembling machine of the present invention.
FIG. 4 is a schematic view of the ceramic ring assembly mechanism of the pump shaft assembly machine of the present invention.
In the figure, 1, a frame; 2. a chute; 2a, a sliding block; 3. a first cylinder; 4. a second air cylinder; 5. a third air cylinder; 6. placing a first rack; 7. placing a second rack; 8. a slide bar; 9. fixing a bracket; 10. a spring; 11. a limiting block; 12. a first mechanical arm; 13. a second mechanical arm; 14. a cylinder IV; 15. a roller; 16. a first conveying belt; 17. a first clapboard; 18. a first support frame; 18a, a first workbench; 18b, a first hydraulic cylinder; 19. a first fixing frame; 20. a first push block; 21. a channel; 22. a second conveying belt; 23. a second clapboard; 24. a second support frame; 25. a second workbench; 26. a second hydraulic cylinder; 27. a second fixing frame; 28. a second push block; 29. a glue tank; 30. a spray head; 31. an air pump.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
A plastic pump shaft comprises a main shaft, wherein the main shaft is made of alloy steel, a left protective shell is fixedly arranged at one end of the main shaft, a right protective shell is fixedly arranged at the other end of the main shaft, and a closed cavity is formed by the left protective shell and the right protective shell; the left protective shell and the right protective shell are made of plastic, and ceramic rings capable of being sleeved with shaft sleeves are fixedly arranged outside the left protective shell and the right protective shell respectively; the plastic is prepared from the following components in parts by weight: 90-100 parts of perfluoro (ethylene propylene) copolymer, 45-50 parts of methyl acrylate, 15-20 parts of polyvinylpyrrolidone, 10-12 parts of vinylidene fluoride, 5-6 parts of butyl acrylate grafted maleic anhydride, 3-5 parts of antioxidant, 1-2 parts of crosslinking agent and 1-2 parts of interface modifier.
The antioxidant is prepared from the following components in parts by weight: 1-2 parts of N-methyl-1, 2-phenylenediamine 5-6 parts and 1-isopropoxybenzene 3-5 parts.
The cross-linking agent comprises the following components in parts by weight: 10-12 parts of triallyl cyanurate and 8-10 parts of trithiocyanuric acid.
The interface modifier is fluorosilicone oil with at least one unsaturated bond or carboxylate with unsaturated double bonds.
The left protective shell and the right protective shell which are manufactured according to the components have the characteristic of high wear resistance, and alloy steel is adopted in the middle of the protective shell, so that the main shaft can be prevented from being broken when the main shaft is not operated properly or caused under the conditions of locking of the pump shaft, non-concentricity of the pump shaft and the motor, idling, dry beating and the like.
A method of manufacturing a plastic pump shaft, the method comprising the steps of: a. purchasing raw materials: purchasing a ceramic ring; b. manufacturing a protective shell part: the left protective shell and the right protective shell are integrally formed through an injection molding machine; c. manufacturing a main shaft: turning a main shaft by a lathe; d. assembling and installing: placing the ceramic ring, the left protective shell, the right protective shell and the main shaft on a pump shaft assembling machine, spraying glue on the main shaft, then fixedly arranging the left protective shell and the right protective shell on the main shaft, and then fixedly arranging the ceramic ring on the left protective shell and the right protective shell respectively; e. screening and packaging: after screening, defective products are removed and recovered, and finished products are packed and put in storage.
The anti-fracture and high-temperature-resistant pump shaft can be efficiently assembled through the pump shaft assembling machine.
As shown in fig. 1 to 4, in the step d, the pump shaft assembling machine includes a frame 1, an annular chute 2 is formed in the frame 1, a plurality of sliding blocks 2a are slidably disposed in the chute 2, and the sliding blocks 2a can circularly move in the chute 2; the sliding blocks 2a are respectively provided with a clamping mechanism for fixing the main shaft; the rack 1 is also fixedly provided with a first air cylinder 3 for pushing the sliding block 2a to move leftwards, a second air cylinder 4 for pushing the sliding block 2a to move rightwards and a third air cylinder 5 for pushing the sliding block 2a to move upwards; the first cylinder 3 is positioned above the right side of the rack 1, the second cylinder 4 is positioned below the left side of the rack 1, and the third cylinder 5 is positioned below the right side of the rack 1 far away from the second cylinder 4; a first placing rack 6 is fixedly arranged on the rack 1, and a first conveying mechanism for conveying the left protective shell or the right protective shell is arranged at each of two ends of the first placing rack 6; a protective shell assembling mechanism used for fixing the left protective shell and the right protective shell on the main shaft is arranged below the first placing frame 6; a second placing rack 7 is fixedly arranged on the rack 1, and two ends of the second placing rack 7 are respectively provided with a second conveying mechanism for conveying the ceramic rings; a ceramic ring assembling mechanism used for fixedly arranging the ceramic ring on the left protective shell or the right protective shell is arranged below the second placing frame 7; one side of the first placing frame 6, which is far away from the second placing frame 7, is provided with a gluing mechanism for spraying glue.
The clamping mechanism comprises a sliding rod 8, a fixed frame 9 is fixedly arranged on a sliding block 2a, a through hole is formed in the sliding block 2a, the sliding rod 8 penetrates through the through hole, the upper part of the sliding rod 8 is positioned in the fixed support 9, a spring 10 is sleeved on the sliding rod 8, and the spring 10 is positioned between a limiting block 11 and the sliding block 2 a; the upper part and the lower part of the slide bar 8 are both fixedly provided with a limiting block 11 for preventing the slide bar 8 from falling; a first mechanical arm 12 and a second mechanical arm 13 are hinged to the fixed support 9, and the first mechanical arm 12 and the second mechanical arm 13 form a clamping opening for clamping the main shaft; torsion springs capable of enabling the first mechanical arm 12 and the second mechanical arm 13 to be close to each other are arranged on the first mechanical arm 12 and the second mechanical arm 13; the lower parts of the first mechanical arm 12 and the second mechanical arm 13 are respectively provided with a supporting part, and the upper end surface of the sliding rod 8 is abutted against the supporting parts; and a plurality of cylinders (four 14) for pushing the sliding rod (8) upwards and closing the clamping opening are fixedly arranged on the frame (1). Under the state often, the lower extreme of arm one 12 and arm two 13 draws each other through the torsional spring and is close to, make and form the clamping mouth between the upper end of arm one 12 and arm two 13, then place the main shaft in the clamping mouth, start cylinder four 14, the piston rod of cylinder four 14 upwards promotes slide bar 8, the upper portion of slide bar 8 promotes the supporting part of withstanding arm one 12 and arm two 13 lower part, arm one 12 and arm two 13 lower part open to both sides, the clamping mouth tightens up to closed, make the main shaft fixed, through cylinder four 14 after finishing assembling, make the clamping mouth grow, take off the finished product.
Two side surfaces of the first mechanical arm 12 and the second mechanical arm 13 are respectively provided with an inclined sliding surface, and a plurality of rollers 15 are rotatably arranged on the inclined sliding surfaces. When the left protective shell and the right protective shell are fixed, the inclined sliding surface and the roller 15 can conveniently stretch out and contact and fix the clamping opening between the first mechanical arm 12 and the second mechanical arm 13 through pressure.
The first conveying mechanism comprises a first conveying belt 16, a first roller and a second roller, the first roller and the second roller are fixedly arranged on the rack 1 in a circumferential rotating and axial fixing mode, the first conveying belt 16 is sleeved on the first roller and the second roller, the first roller is driven by a first motor, and the first motor is fixedly arranged on the rack 1; a plurality of first partition plates 17 are fixedly arranged on the first conveying belt 16 at equal intervals; a first placing part for placing the left protective shell or the right protective shell is arranged between the adjacent first partition boards 17. On placing the first portion of placing with left protective housing or right protective housing, separate left protective housing or right protective housing through baffle 17, rotate preset position again, left protective housing or right protective housing can follow the conveyer belt and drop.
The protective shell assembling mechanism comprises a first support frame 18, the first support frame 18 is fixedly arranged on the rack, first working tables 18a are fixedly arranged at two ends of the first support frame 18, first pushing structures are arranged on the first working tables 18a, each first pushing structure comprises a first hydraulic cylinder 18b, a first fixing frame 19 and a first pushing block 20, the first fixing frame 19 is fixedly arranged on the first working tables 18a, and a placing groove for placing the left protective shell or the right protective shell and a channel 21 communicated with the placing groove are formed in the first fixing frame 19; the piston rod of the hydraulic cylinder I18 b is horizontally arranged, the push block I20 is fixedly arranged at the end part of the piston rod of the hydraulic cylinder I18 b, and the push block I20 can enter the channel 21. When the left protective shell or the right protective shell on the first conveying belt 16 falls into the placing groove, the first hydraulic cylinder 18b is started, a piston rod of the first hydraulic cylinder 18b pushes the left protective shell or the right protective shell into the channel 21, and the left protective shell or the right protective shell is directly pressed into the spindle after being calibrated through the channel 21.
The second conveying mechanism comprises a second conveying belt 22, a third roller and a fourth roller, and the third roller and the fourth roller are fixedly arranged on the rack 1 in a circumferential rotating and axial fixing mode; the second conveying belt 22 is sleeved on the third roller and the fourth roller, the third roller is driven by a second motor, the second motor is fixedly arranged on the rack 1, and a plurality of second partition plates 23 are fixedly arranged on the second conveying belt 22 at equal intervals; a second placing part for placing the ceramic ring is arranged between the adjacent second partition plates 23. On placing the portion two with ceramic ring, separate ceramic ring through two 23 baffles, rotating to preset the position, left protective housing or right protective housing can be followed the conveyer belt and dropped.
Ceramic ring equipment mechanism includes support frame two 24, support frame two 24 sets firmly in the frame, support frame two 24 both ends all set firmly workstation two 25, all be provided with on workstation two 25 and bulldoze structure two, it includes pneumatic cylinder two 26 to bulldoze structure two, mount two 27 and ejector pad two 28, mount two 27 sets firmly on workstation two 25, the way of advancing that can pass through the ceramic ring has on mount two 27, the piston rod level of pneumatic cylinder two 26 sets up, ejector pad two 28 sets firmly the piston rod tip at pneumatic cylinder two 26, ejector pad two 28 can get into the way of advancing, ejector pad two 28 cross-sections are the ring form, the inner circle diameter of ejector pad two 28 is greater than the diameter of left protective housing or right protective housing. When the ceramic rings on the second conveying belt 22 fall into the placing groove, the second hydraulic cylinder 26 is started, the piston rod of the second hydraulic cylinder 26 pushes the ceramic rings into the entrance, and the ceramic rings are directly sleeved on the left protective shell or the right protective shell after being calibrated through the entrance.
The gluing mechanism comprises a glue tank 29, a spray head 30, an air pump 31 and a valve, wherein the glue tank 29 is fixedly arranged on the frame 1, the spray head 30 is fixedly arranged on the glue tank 29, the spray head 30 is connected with the glue tank 29 through a glue pipe, the valve is fixedly arranged on the spray head 30, the air pump 31 is fixedly arranged on the frame 1, and the air pump 31 is connected with the spray head 30 through an air pipe. The valve is opened, the air pump 31 is started, the glue flows out from the glue tank 29 and enters the spray head 30, and the spray head sprays the glue onto the spindle through air pressure.
The working principle of the pump shaft assembling machine is as follows: fix the main shaft through clamping machine, cylinder 3 that is in frame 1 top can be with slider 2a left promotion, terminal slider 2a falls to the leftmost end of lower part spout 2 from the leftmost end of upper portion spout 2, slider 2a removes and drives the main shaft and remove, can turn right promotion with slider 2a through cylinder two 4 of frame 1 below, then slider 2a passes through cylinder three 5 at the rightmost end of lower part spout 2 with slider 2a propelling movement to cylinder 3 department, again through cylinder 3 with slider 2a left promotion, form a circulation. The main shaft is transported to the gluing mechanism, glue is sprayed on the main shaft, the left protective shell or the right protective shell is fixedly arranged on the main shaft through the protective shell assembling mechanism, then the main shaft is transported to the ceramic ring assembling mechanism, the ceramic rings are fixedly arranged on the left protective shell and the right protective shell, the finished pump shaft is taken down and is stored after being screened. The anti-fracture and high-temperature-resistant pump shaft can be rapidly assembled through the pump shaft assembling machine.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms of the frame 1, the chute 2, the sliding block 2a, the cylinder one 3, the cylinder two 4, the cylinder three 5, the rack one 6, the rack two 7, the sliding rod 8, the fixing frame 9, the spring 10, the limiting block 11, the mechanical arm one 12, the mechanical arm two 13, the cylinder four 14, the roller 15, the conveyor belt one 16, the partition plate one 17, the support frame one 18, the workbench one 18a, the hydraulic cylinder one 18b, the fixing frame one 19, the push block one 20, the channel 21, the conveyor belt two 22, the partition plate two 23, the support frame two 24, the workbench two 25, the hydraulic cylinder two 26, the fixing frame two 27, the push block two 28, the glue tank 29, the spray head 30, the air pump 31, and the like are used more times, the possibility of using other terms is. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (9)
1. A plastic pump shaft comprises a main shaft made of alloy steel, and is characterized in that one end of the main shaft is fixedly provided with a left protective shell, the other end of the main shaft is fixedly provided with a right protective shell, and the left protective shell and the right protective shell form a closed cavity; the left protective shell and the right protective shell are made of plastic, and ceramic rings capable of being sleeved with shaft sleeves are fixedly arranged outside the left protective shell and the right protective shell respectively; the plastic is prepared from the following components in parts by weight: 90-100 parts of perfluoro (ethylene propylene) copolymer, 45-50 parts of methyl acrylate, 15-20 parts of polyvinylpyrrolidone, 10-12 parts of vinylidene fluoride, 5-6 parts of butyl acrylate grafted maleic anhydride, 3-5 parts of antioxidant, 1-2 parts of crosslinking agent and 1-2 parts of interface modifier.
2. The plastic pump shaft of claim 1, wherein the cross-linking agent comprises the following components in parts by weight: 10-12 parts of triallyl cyanurate and 8-10 parts of trithiocyanuric acid.
3. The plastic pump shaft of claim 1, wherein the interfacial modifier is fluorosilicone oil with at least one unsaturated bond or carboxylate with an unsaturated double bond.
4. A method of manufacturing a plastic pump shaft for use in manufacturing a plastic pump shaft according to any one of claims 1 to 3, comprising the steps of: a. purchasing raw materials: purchasing a ceramic ring; b. manufacturing a protective shell part: the left protective shell and the right protective shell are integrally formed through an injection molding machine; c. manufacturing a main shaft: turning a main shaft by a lathe; d. assembling and installing: placing the ceramic ring, the left protective shell, the right protective shell and the main shaft on a pump shaft assembling machine, spraying glue on the main shaft, then fixedly arranging the left protective shell and the right protective shell on the main shaft, and then fixedly arranging the ceramic ring on the left protective shell and the right protective shell respectively; e. screening and packaging: after screening, defective products are removed and recovered, and finished products are packed and put in storage.
5. The manufacturing method of the pump shaft of the plastic pump according to claim 4, wherein the pump shaft assembling machine comprises a frame, an annular chute is formed in the frame, a plurality of sliding blocks are arranged in the chute in a sliding manner, and the sliding blocks can move in the chute in a circulating manner; the sliding blocks are provided with clamping mechanisms for fixing the main shaft; the rack is also fixedly provided with a first air cylinder for pushing the sliding block to move leftwards, a second air cylinder for pushing the sliding block to move rightwards and a third air cylinder for pushing the sliding block to move upwards; the first cylinder is positioned above the right side of the rack, the second cylinder is positioned below the left side of the rack, and the third cylinder is positioned below the right side of the rack far away from the second cylinder; a first placing rack is fixedly arranged on the rack, and two ends of the first placing rack are respectively provided with a first conveying mechanism for conveying the left protective shell or the right protective shell; a protective shell assembling mechanism used for fixing the left protective shell and the right protective shell on the main shaft is arranged below the placing frame; a second placing rack is fixedly arranged on the rack, and two ends of the second placing rack are respectively provided with a second conveying mechanism for conveying the ceramic rings; a ceramic ring assembling mechanism used for fixedly arranging a ceramic ring on the left protective shell or the right protective shell is arranged below the second placing frame; one side of the first placing frame far away from the second placing frame is provided with a gluing mechanism for spraying glue.
6. The manufacturing method of the pump shaft of the plastic pump according to claim 5, wherein the clamping mechanism comprises a sliding rod, a fixing frame is fixedly arranged on the sliding block, a through hole is formed in the sliding block, the sliding rod penetrates through the through hole, the upper portion of the sliding rod is located in the fixing frame, a spring is sleeved on the sliding rod, and the spring is located between the limiting block and the sliding block; the upper part and the lower part of the sliding rod are fixedly provided with limiting blocks for preventing the sliding rod from falling off; the fixed support is hinged with a first mechanical arm and a second mechanical arm, and the first mechanical arm and the second mechanical arm form a clamping opening for clamping the main shaft; torsion springs capable of enabling the first mechanical arm and the second mechanical arm to be close to each other are arranged on the first mechanical arm and the second mechanical arm; the lower parts of the first mechanical arm and the second mechanical arm are respectively provided with a supporting part, and the upper end surface of the sliding rod is abutted against the supporting parts; and a plurality of cylinders IV for pushing the sliding rod upwards and closing the clamping opening are fixedly arranged on the machine frame.
7. The method for manufacturing the pump shaft of the plastic pump according to claim 6, wherein the two side surfaces of the first mechanical arm and the second mechanical arm are respectively provided with an inclined sliding surface, and a plurality of rollers are rotatably arranged on the inclined sliding surfaces.
8. The manufacturing method of the pump shaft of the plastic pump according to claim 5, wherein the conveying mechanism comprises a first conveying belt, a first roller and a second roller, the first roller and the second roller are fixedly arranged on the frame in a circumferential rotating and axial fixing manner, the first conveying belt is sleeved on the first roller and the second roller, the first roller is driven by a first motor, and the first motor is fixedly arranged on the frame; a plurality of first partition plates are fixedly arranged on the first conveying belt at equal intervals; a first placing part for placing the left protective shell or the right protective shell is arranged between the adjacent first partition boards.
9. The manufacturing method of the pump shaft of the plastic pump according to claim 5, wherein the protective shell assembling mechanism comprises a first support frame, first workbenches are fixedly arranged at two ends of the first support frame, first pushing structures are arranged on the first workbenches, the first pushing structures comprise first hydraulic cylinders, first fixing frames and first pushing blocks, the first fixing frames are fixedly arranged on the first workbenches, and each first fixing frame is provided with a placing groove for placing the left protective shell or the right protective shell and a channel communicated with the placing groove; a piston rod of the first hydraulic cylinder is horizontally arranged, a first push block is fixedly arranged at the end part of the piston rod of the first hydraulic cylinder, and the first push block can enter the channel; the second conveying mechanism comprises a second conveying belt, a third roller and a fourth roller, and the third roller and the fourth roller are fixedly arranged on the rack in a circumferential rotating and axial fixing mode; the conveying belt is sleeved on the third roller and the fourth roller, the third roller is driven by a second motor, the second motor is fixedly arranged on the rack, and a plurality of second partition plates are fixedly arranged on the second conveying belt at equal intervals; a second placing part for placing the ceramic ring is arranged between the adjacent second partition plates; the ceramic ring assembling mechanism comprises a second support frame, two ends of the second support frame are fixedly provided with a second workbench, a second pushing structure is arranged on the second workbench and comprises a second hydraulic cylinder, a second fixing frame and a second pushing block, the second fixing frame is fixedly arranged on the second workbench, the second fixing frame is provided with an inlet channel capable of passing through the ceramic ring, a piston rod of the second hydraulic cylinder is horizontally arranged, the second pushing block is fixedly arranged at the end part of a piston rod of the second hydraulic cylinder and can enter the inlet channel, the section of the second pushing block is in a circular ring shape, and the diameter of an inner ring of the second pushing block is larger than that of the left protective shell or the right protective shell; rubberizing mechanism includes glue tank, shower nozzle, air pump and valve, the glue tank set firmly in the frame, the shower nozzle set firmly on glue tank, the shower nozzle link to each other with glue tank through gluey water pipe, the valve set firmly on the shower nozzle, the air pump set firmly in the frame, the air pump passes through the trachea and links to each other with the shower nozzle.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010899279.7A CN111980955A (en) | 2018-12-27 | 2018-12-27 | Pump shaft assembling machine for plastic pump |
| CN201811610003.1A CN109630455B (en) | 2018-12-27 | 2018-12-27 | Plastic pump shaft and manufacturing method thereof |
| CN202010899264.0A CN111980957A (en) | 2018-12-27 | 2018-12-27 | Plastic pump shaft |
| CN202010899295.6A CN111980956A (en) | 2018-12-27 | 2018-12-27 | Manufacturing method of plastic pump shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610003.1A CN109630455B (en) | 2018-12-27 | 2018-12-27 | Plastic pump shaft and manufacturing method thereof |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010899264.0A Division CN111980957A (en) | 2018-12-27 | 2018-12-27 | Plastic pump shaft |
| CN202010899295.6A Division CN111980956A (en) | 2018-12-27 | 2018-12-27 | Manufacturing method of plastic pump shaft |
| CN202010899279.7A Division CN111980955A (en) | 2018-12-27 | 2018-12-27 | Pump shaft assembling machine for plastic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109630455A CN109630455A (en) | 2019-04-16 |
| CN109630455B true CN109630455B (en) | 2020-11-10 |
Family
ID=66078298
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010899295.6A Withdrawn CN111980956A (en) | 2018-12-27 | 2018-12-27 | Manufacturing method of plastic pump shaft |
| CN202010899279.7A Withdrawn CN111980955A (en) | 2018-12-27 | 2018-12-27 | Pump shaft assembling machine for plastic pump |
| CN201811610003.1A Active CN109630455B (en) | 2018-12-27 | 2018-12-27 | Plastic pump shaft and manufacturing method thereof |
| CN202010899264.0A Withdrawn CN111980957A (en) | 2018-12-27 | 2018-12-27 | Plastic pump shaft |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010899295.6A Withdrawn CN111980956A (en) | 2018-12-27 | 2018-12-27 | Manufacturing method of plastic pump shaft |
| CN202010899279.7A Withdrawn CN111980955A (en) | 2018-12-27 | 2018-12-27 | Pump shaft assembling machine for plastic pump |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010899264.0A Withdrawn CN111980957A (en) | 2018-12-27 | 2018-12-27 | Plastic pump shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN111980956A (en) |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344678A (en) * | 1990-12-25 | 1994-09-06 | Ebara Corporation | Shaft sleeve made of ceramics |
| AU2003235281A1 (en) * | 2002-04-23 | 2003-11-10 | Nsk Ltd. | Seal device for water pump, rotation supporting device for water pump, and assembly method for water pump |
| JP4318901B2 (en) * | 2002-09-11 | 2009-08-26 | 日本タングステン株式会社 | Shaft for pump |
| JP2005036692A (en) * | 2003-07-18 | 2005-02-10 | Mitsubishi Heavy Ind Ltd | Bearing device for pump |
| US8419609B2 (en) * | 2005-10-05 | 2013-04-16 | Heartware Inc. | Impeller for a rotary ventricular assist device |
| CN201110318Y (en) * | 2007-09-17 | 2008-09-03 | 张东旭 | Structure for connecting shafts |
| JP5063514B2 (en) * | 2008-07-08 | 2012-10-31 | 株式会社鶴見製作所 | Shaft seal device |
| ES2345425B1 (en) * | 2008-07-18 | 2011-07-18 | Francisco Elias Bures | AXIS FOR THE OPERATION OF A LOAD IN ROTATION AND ASSOCIATED DEMOTATION PROCEDURE. |
| KR100936811B1 (en) * | 2009-06-23 | 2010-01-15 | 플러스파운틴(주) | Pump protection filter |
| CN201786633U (en) * | 2010-08-13 | 2011-04-06 | 温岭市双锦泰机械配件厂（普通合伙） | Cermet shaft sleeve |
| CN201804641U (en) * | 2010-08-19 | 2011-04-20 | 福建瑞森化工有限公司 | Power transformation busbar insulating structure |
| CN202363865U (en) * | 2011-11-30 | 2012-08-01 | 江苏安靠智能输电工程科技股份有限公司 | Insulation protection shell for cable accessory |
| CN202628591U (en) * | 2012-07-11 | 2012-12-26 | 浙江日晟农林科技有限公司 | Water pump rotor main shaft |
| CN204805146U (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | In open centrifugal pump cupling guard shield |
| CN105422672A (en) * | 2015-12-04 | 2016-03-23 | 镇江市润州联轴器厂 | Protection sleeve for coupling |
| CN205996524U (en) * | 2016-08-31 | 2017-03-08 | 温岭市诺兰自动化设备制造有限公司 | The automatic assembling of gasoline engine generator connecting rod |
| CN207064265U (en) * | 2017-08-04 | 2018-03-02 | 中国长江电力股份有限公司 | A kind of borehole shaft driven (centrifugal) pump is driven protective shaft jacket |
| CN108187968A (en) * | 2018-01-20 | 2018-06-22 | 荆门怡盛源环保科技有限公司 | A kind of water purifier pipe connects glue spreading apparatus |
-
2018
- 2018-12-27 CN CN202010899295.6A patent/CN111980956A/en not_active Withdrawn
- 2018-12-27 CN CN202010899279.7A patent/CN111980955A/en not_active Withdrawn
- 2018-12-27 CN CN201811610003.1A patent/CN109630455B/en active Active
- 2018-12-27 CN CN202010899264.0A patent/CN111980957A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN109630455A (en) | 2019-04-16 |
| CN111980957A (en) | 2020-11-24 |
| CN111980955A (en) | 2020-11-24 |
| CN111980956A (en) | 2020-11-24 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201020 Address after: 242500 Xinchang Road, Jingxian County Economic Development Zone, Anhui, Xuancheng Applicant after: Anhui Fute chemical pump Co., Ltd Address before: 2400 Jinshan Road, Zongyang Town, Zongyang County, Tongling City, Anhui Province Applicant before: ZONGYANG ZHONGBANG TECHNOLOGY INFORMATION CONSULTING Co.,Ltd. |
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