Plastic pump shaft assembling machine with protective shell assembling mechanism
The invention belongs to the application date: 2018-12-27, application number: 201811616681.9, patent name: division application of a plastic pump shaft assembling machine.
Technical Field
The invention belongs to the technical field of machinery, and particularly relates to a pump shaft assembling machine for a plastic pump.
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, and the two materials are easy to break under the conditions of improper operation or locking of the pump shaft, non-concentricity of the pump shaft and a motor, idle running, dry beating and the like.
The novel pump shaft is adopted at present, a plurality of parts are required to be assembled, and the efficiency is low if the pump shaft is assembled manually.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a plastic pump shaft assembling machine, which aims to solve the following problems: how to improve the assembly efficiency.
The purpose of the invention can be realized by the following technical scheme: the plastic pump shaft assembling machine comprises a frame and is characterized in that an annular sliding groove is formed in the frame, a plurality of sliding blocks are arranged in the sliding groove in a sliding mode, and the sliding blocks can move in the sliding groove 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 right through the first air cylinder to form a cycle. The main shaft is conveyed 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 moved to the ceramic ring assembling mechanism, the ceramic rings are fixedly arranged on the left protective shell and the right protective shell, the finished bearings are taken down and are stored after being screened. The pump shaft assembly machine can be used for rapidly assembling the anti-fracture and high-temperature-resistant pump shaft.
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 inclined sliding surface and the idler wheel are used for fixing the left protective shell and the right protective shell, the first mechanical arm and the second mechanical arm can be opened through pressure, so that the left protective shell and the right protective shell can be in contact fixation without opening the clamping opening through an air pump.
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, 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 a left protective shell or a 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, bulldoze structure two including 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, enter the spray head and spray the glue onto the main shaft through air pressure.
Compared with the prior art, the invention has the following advantages:
1. the plastic 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 pump shaft which is wear-resistant and breakage-proof can be assembled quickly.
2. When the inclined sliding surface and the idler wheel are used for fixing the left protective shell and the right protective shell, the first mechanical arm and the second mechanical arm can be opened through pressure, so that the left protective shell and the right protective shell can be in contact fixation without opening the clamping opening through an air pump.
Drawings
FIG. 1 is a schematic of the present invention.
Figure 2 is a schematic view of the clamping mechanism of the present invention.
Fig. 3 is a schematic view of an assembly mechanism of the protective case of the present invention.
Fig. 4 is a schematic view of the ceramic ring assembly mechanism 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.
As shown in fig. 1 to 4, the plastic pump shaft assembling machine comprises a frame 1, wherein an annular chute 2 is formed in the frame 1, a plurality of sliding blocks 2a are arranged in the chute 2 in a sliding manner, and the sliding blocks 2a can move in the chute 2 in a circulating manner; 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 be used for opening the first mechanical arm 12 and the second mechanical arm 13 through pressure, so that the left protective shell and the right protective shell can be in contact fixation without opening a clamping opening through the air pump 31.
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. 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 17, 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 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 of the glue tank 29 and enters the spray head 30, and the glue is sprayed on 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 right promotion, form a circulation. The main shaft is conveyed 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 moved to the ceramic ring assembling mechanism, the ceramic rings are fixedly arranged on the left protective shell and the right protective shell, the finished bearings are taken down and are stored after being screened. The pump shaft assembly machine can be used for rapidly assembling the anti-fracture and high-temperature-resistant pump shaft.
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.