Clamping mechanism in automatic assembling machine of magnetic pump outer magnetic rotor
The invention belongs to the application date: 2019-03-15, application number: 201910196162.X, patent name: a divisional application of an automatic assembling machine of an outer magnetic rotor of a magnetic pump.
Technical Field
The invention belongs to the technical field of magnetic pumps, and relates to a clamping mechanism, in particular to a clamping mechanism in an automatic assembling machine for an external magnetic rotor of a magnetic pump.
Background
The magnetic drive consists of outer magnetic rotor, inner magnetic rotor and isolating sleeve. The magnetic pump has the working principle that when the motor drives the outer magnetic rotor to rotate through the coupler, the magnetic field can penetrate through the air gap and the non-magnetic substance isolation sleeve to drive the inner magnetic rotor connected with the impeller to synchronously rotate, so that the non-contact synchronous transmission of power is realized, liquid is pumped, the dynamic sealing structure which is easy to leak is converted into a static sealing structure with zero leakage, and the outer magnetic rotor is used as a core component of the magnetic pump to directly influence the service life of the magnetic pump.
The inside nested magnetic shoe that is the circumference and distributes that has of outer magnetic rotor, and in current outer magnetic rotor assembling process, the magnetic shoe is through the mode of manual installation, does not adopt the kludge that can replace artifical the assembling, needs a large amount of labours during batch production, and manufacturing cost is higher and the installation is hard, and the preparation time is longer, and packaging efficiency is lower.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an automatic assembling machine for an outer magnetic rotor of a magnetic pump, which aims to solve the technical problems that: how to efficiently finish the automatic assembly work of the outer magnetic rotor.
The purpose of the invention can be realized by the following technical scheme: an automatic assembling machine for an outer magnetic rotor of a magnetic pump is characterized in that a clamping mechanism capable of clamping and fixing a rotor seat is arranged on a base; the base is fixed with a support frame, the support frame is provided with a feeding mechanism capable of conveying the magnetic shoes, and the support frame is further provided with a tamping mechanism capable of assembling the magnetic shoes.
The working principle of the invention is as follows: firstly, clamping and fixing a rotor seat through a clamping mechanism, then manually putting magnetic shoes into a feeding mechanism in sequence, and tamping the magnetic shoes in the rotor seat through a tamping mechanism to finish the assembly work of an outer magnetic rotor; through the cooperative action of the mechanisms, the periodic operation of the whole assembling process is realized, the outer magnetic rotor is limited on the rotating disc, the magnetic shoes are arranged around the rotating disc, the whole arrangement is compact, the action flow is reduced, the automatic assembling of the outer magnetic rotor is realized, the labor is saved, and the assembling efficiency is greatly improved.
The clamping mechanism comprises a rotating disc, a first servo motor, a bidirectional screw rod, a nut pair, a sliding block, a guide rail, a fixed plate and a clamping plate, a shock pad is fixed at the upper end of the rotating disc, the lower end of the rotating disc is connected with a driving mechanism, a limiting groove is formed in the rotating disc, a limiting table is arranged in the limiting groove, a sliding chute is further formed in the rotating disc, the first servo motor is horizontally fixed on the rotating disc, the end part of an output shaft of the first servo motor is connected with one end of the bidirectional screw rod, the other end of the bidirectional screw rod is rotatably connected with the inner wall of the chute, the nut pair is sleeved on the bidirectional screw rod, the guide rail is horizontally fixed at the bottom of the chute, the sliding block is fixed at the lower end of the nut pair, the sliding block is arranged on.
When the rotor base needs to be clamped and fixed, the first servo motor is controlled to act, an output shaft of the first servo motor drives the two-way screw rod to rotate, the two-way screw rod drives the nut pair to move oppositely, the nut pair drives the sliding block to move oppositely on the guide rail, a balancing effect is achieved, meanwhile, the nut pair drives the fixing plate to move oppositely, the fixing plate drives the clamping plate to move oppositely, the clamping plate clamps and fixes the rotor base, meanwhile, the shockproof pad abuts against the rotor base and limits the rotor base through the limiting column, clamping and fixing of the rotor base are enabled to be more stable and effective, and clamping stability is good; when the angular position of the rotor seat needs to be adjusted, the driving mechanism drives the rotating disc to rotate, and the rotating disc drives the rotor seat to rotate to the specified angular position.
The upper end of the shockproof pad is abutted against the rotor seat, and the shockproof pad is made of rubber.
By adopting the structure, the impact force on the rotor seat in the installation process can be reduced through the shockproof pad, and the shock absorption effect is good.
The upper end of the clamping plate can be in contact with the outer side wall of the rotor seat, and the upper end of the clamping plate is of an arc-shaped structure.
By adopting the structure, the rotor seat is clamped through the arc-shaped structure on the clamping plate, and the fixing effect is good.
The limiting table comprises a limiting disc and a limiting column, the limiting disc is fixed at the bottom of the limiting groove, the limiting column is fixed on the limiting disc, a key-type protruding structure is arranged on the outer circular surface of the limiting column, and the bottom end of the rotor base is sleeved on the limiting column.
By adopting the structure, the rotor seat is limited by the key-shaped protruding structure on the limiting column, and the limitation is reliable.
The driving mechanism comprises a rotating shaft, a second servo motor, a worm wheel, a worm and a supporting column, the rotating shaft is vertically arranged, the upper end of the rotating shaft is fixed at the lower end of the rotating disc, the lower end of the rotating shaft is fixed on the base, the supporting column is fixed on the base, the second servo motor is horizontally fixed on the supporting column, the end part of an output shaft of the second servo motor is connected with one end of the worm, the other end of the worm is rotatably connected onto the supporting column, the worm wheel is meshed with the worm, and the worm wheel is fixed on.
When the angular position of the rotor seat needs to be adjusted, the second servo motor is controlled to act, the second servo motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating shaft to rotate, the rotating shaft drives the rotating disc to rotate, and the rotating disc drives the rotor seat to rotate to the specified angular position.
Feeding mechanism includes the inlet pipe, batch hopper, the push rod motor, the scraping wings, lift cylinder and pressure flitch, the inlet pipe is fixed on the support frame, the inside cavity pipeline of having seted up of inlet pipe, the inlet pipe lower extreme is equipped with opening one, and opening one is linked together with the support frame is inside, opening below still is provided with the separation structure, batch hopper fixes on the inlet pipe, and batch hopper's lower extreme is linked together with the inlet pipe, push rod motor level is fixed on the inlet pipe, the push rod of push rod motor passes the inlet pipe and links to each other with the scraping wings, the scraping wings sets up in the cavity pipeline, the lift cylinder is vertical to be fixed on the inlet pipe, the piston rod of lift cylinder passes the inlet pipe and links.
When the magnetic shoe needs to be conveyed, the magnetic shoe is placed into the feeding hopper manually, the magnetic shoe enters a hollow pipeline of the feeding pipe, the push rod motor is controlled to act, the push rod motor drives the material pushing plate to move horizontally, the material pushing plate drives the magnetic shoe to move horizontally to the opening of the feeding pipe and to be in contact with the blocking mechanism, the blocking mechanism blocks the magnetic shoe, at the moment, the lifting cylinder is controlled to act, the lifting cylinder drives the material pressing plate to move downwards to be in contact with the magnetic shoe, the material pressing plate continues to move downwards to press the magnetic shoe into the rotor seat, and therefore conveying work of the magnetic shoe is completed.
The separation structure includes separation board and locating piece, and the locating piece is fixed on the support frame, and the separation board passes through torsion spring to be fixed on the locating piece, and the separation board is located under the opening of inlet pipe, and the separation board level sets up.
When the magnetic shoe needs to be blocked, the blocking plate is kept in a horizontal state through the torsion spring, and the magnetic shoe can be blocked.
The tamping mechanism includes the carriage, the bracing piece, the mounting panel, third servo motor, the eccentric wheel, first connecting rod, second connecting rod and tamping hammer, the carriage is fixed on the support frame, the lower extreme of carriage has opening two, and opening two communicates with the support frame is inside to link to each other, the bracing piece is fixed on the carriage, the mounting panel is fixed on the bracing piece, third servo motor level is fixed on the mounting panel, the eccentric wheel is fixed at third servo motor's output shaft tip, the one end of first connecting rod articulates on the eccentric wheel, the other end of first connecting rod is articulated with the one end of second connecting rod, the other end of second connecting rod passes the carriage and fixes the upper end at tamping hammer, tamping hammer's lower extreme passes the support frame, and tamping hammer's lower extreme is the free end that can contact with the magnetic shoe, tamping hammer slides and sets up in the.
When the magnetic shoe needs to be assembled, the third servo motor is controlled to act, the third servo motor drives the eccentric wheel to rotate, the eccentric wheel drives the first connecting rod to rotate, the first connecting rod drives the second connecting rod to reciprocate up and down, the second connecting rod drives the tamping hammer to reciprocate up and down, and the tamping hammer tamps the magnetic shoe for multiple times, so that the magnetic shoe is neatly and tightly installed in the rotor seat.
Compared with the prior art, the automatic assembling machine for the magnetic rotor of the magnetic pump has the advantages that:
1. firstly, clamping and fixing a rotor seat through a clamping plate, then manually putting magnetic shoes into a feeding hopper in sequence, and tamping the magnetic shoes in the rotor seat through a tamping hammer to finish the assembly work of an external magnetic rotor; through the cooperative action of the components, the periodic operation of the whole assembly process is realized, the outer magnetic rotor is limited on the rotating disc, the magnetic shoes are arranged around the rotating disc, the whole arrangement is compact, the action flow is reduced, the automatic assembly of the outer magnetic rotor is realized, the labor is saved, and the assembly efficiency is greatly improved.
2. The impact force of the rotor seat in the installation process can be reduced through the vibration-proof pad, and the vibration-damping effect is good.
3. The rotor seat is clamped through the arc-shaped structure on the clamping plate, and the fixing effect is good.
4. The rotor seat is limited through the key-shaped protruding structure on the limiting column, and the limiting is reliable.
Drawings
Fig. 1 is a perspective view of an outer magnetic rotor in the present invention.
Fig. 2 is a schematic perspective view of a magnetic shoe according to the present invention.
Fig. 3 is a sectional view of an outer magnetic rotor in the present invention.
FIG. 4 is a schematic plan view of the assembling machine of the present invention.
Fig. 5 is a schematic plan view of the clamping mechanism of the present invention.
Fig. 6 is a schematic plan view of the position limiting table of the present invention.
Fig. 7 is a schematic view showing a clamped state of the rotor holder in the present invention.
Fig. 8 is a schematic plan view of the driving mechanism of the present invention.
Fig. 9 is a schematic plan view of the feeding mechanism of the present invention.
Figure 10 is a schematic plan view of the tamping mechanism of the present invention.
Fig. 11 is a schematic view showing a mounting state of the magnetic shoe in the present invention.
In the figure, 1, a rotor base; 1a, a boss; 1b, a key groove; 2. a magnetic shoe; 2a, a groove; 3. a support frame; 4. a base; 5. a guide rail; 6. a slider; 7. a nut pair; 8. a fixing plate; 9. rotating the disc; 10. a bidirectional screw rod; 11. a crash pad; 12. a clamping plate; 13. a first servo motor; 14. a limiting table; 14a, a limiting disc; 14b, a limiting column; 15. a support pillar; 16. a rotating shaft; 17. a worm gear; 18. a worm; 19. a second servo motor; 20. a barrier plate; 21. positioning blocks; 22. a push rod motor; 23. a feed pipe; 24. a material pushing plate; 25. a feeding hopper; 26. a material pressing plate; 27. a lifting cylinder; 28. a tamping hammer; 29. a carriage; 30. a second link; 31. a support bar; 32. a first link; 33. mounting a plate; 34. an eccentric wheel; 35. and a third servo motor.
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 11, the automatic assembling machine for an external magnetic rotor of a magnetic pump includes a rotor base 1 and magnetic shoes 2, in this embodiment, the external magnetic rotor is an existing product in the market, wherein a boss 1a is vertically formed on an inner side wall of a top end of the rotor base 1, a key slot 1b is vertically formed on an inner side wall of a bottom end of the rotor base 1, a groove 2a is vertically formed on an outer side wall of each magnetic shoe 2, the boss 1a is matched with the groove 2a, in this embodiment, an outer side wall of each magnetic shoe 2 is further fixed on the inner side wall of the rotor base 1 by means of glue adhesion, N poles and S poles of two adjacent magnetic shoes 2 are opposite, and the two adjacent magnetic shoes 2 are in interference fit, the number of the magnetic shoes 2 is eight, the assembling machine includes a base 4, and a clamping mechanism capable of clamping and fixing the rotor base 1 is arranged; the base 4 is fixed with the support frame 3, in this embodiment, the support frame 3 is fixed on the base 4 through a bolt connection mode, the support frame 3 is provided with a feeding mechanism capable of conveying the magnetic shoe 2, and the support frame 3 is further provided with a tamping mechanism capable of assembling the magnetic shoe 2.
The clamping mechanism comprises a rotating disc 9, a first servo motor 13, a bidirectional screw rod 10, a nut pair 7, a sliding block 6, a guide rail 5, a fixing plate 8 and a clamping plate 12, wherein a shock pad 11 is fixed at the upper end of the rotating disc 9, in the embodiment, the shock pad 11 is fixed at the upper end of the rotating disc 9 through a bolt connection mode, the lower end of the rotating disc 9 is connected with a driving mechanism, a limit groove is formed in the rotating disc 9, a limit table 14 is arranged in the limit groove, a sliding chute is further formed in the rotating disc 9, the first servo motor 13 is horizontally fixed on the rotating disc 9, in the embodiment, the first servo motor 13 is horizontally fixed on the rotating disc 9 through a bolt connection mode, the output shaft end of the first servo motor 13 is connected with one end of the bidirectional screw rod 10, in the embodiment, the output shaft end of the first servo motor 13 is connected with one end of the bidirectional screw rod 10 through, the other end of the bidirectional screw rod 10 is rotatably connected with the inner wall of the chute, in the embodiment, the other end of the bidirectional screw rod 10 is rotatably connected with the inner wall of the chute through a bearing seat, the nut pair 7 is sleeved on the bidirectional screw rod 10, the guide rail 5 is horizontally fixed at the bottom of the chute, in the embodiment, the guide rail 5 is horizontally fixed at the bottom of the chute in a bolt connection mode, the slide block 6 is fixed at the lower end of the nut pair 7, in the embodiment, the slide block 6 is fixed at the lower end of the nut pair 7 by means of bolt connection, the slide block 6 is arranged on the guide rail 5 in a sliding way, the fixing plate 8 is fixed at the upper end of the nut pair 7, in this embodiment, the fixing plate 8 is fixed to the upper end of the nut pair 7 by means of bolts, the lower end of the clamping plate 12 is fixed to the fixing plate 8, in the present embodiment, the lower end of the clamping plate 12 is fixed to the fixing plate 8 by means of a bolt connection.
The upper end of the vibration-proof pad 11 is abutted against the rotor seat 1, and the vibration-proof pad 11 is made of rubber.
By adopting the structure, the impact force on the rotor seat 1 in the installation process can be reduced through the shockproof pad 11, and the shock absorption effect is good.
The upper end of the clamping plate 12 can contact with the outer side wall of the rotor seat 1, and the upper end of the clamping plate 12 is of an arc-shaped structure.
By adopting the structure, the rotor seat 1 is clamped through the arc-shaped structure on the clamping plate 12, and the fixing effect is good.
Spacing platform 14 includes spacing dish 14a and spacing post 14b, spacing dish 14a is fixed at spacing tank bottom, in this embodiment, spacing dish 14a is fixed at spacing tank bottom through bolted connection's mode, spacing post 14b is fixed on spacing dish 14a, in this embodiment, spacing post 14b is fixed on spacing dish 14a through bolted connection's mode, be provided with the protruding structure of key type on spacing post 14 b's the outer disc, the bottom of rotor seat 1 cup joints on spacing post 14b, in this embodiment, the bottom of rotor seat 1 is passed through keyway 1b and is cooperated with the protruding structure of key type of spacing post 14 b.
By adopting the structure, the rotor seat 1 is limited by the key-shaped protruding structure on the limiting column 14b, and the limiting is reliable.
The driving mechanism comprises a rotating shaft 16, a second servo motor 19, a worm wheel 17, a worm 18 and a support column 15, the rotating shaft 16 is vertically arranged, the upper end of the rotating shaft 16 is fixed at the lower end of the rotating disc 9, in the embodiment, the upper end of the rotating shaft 16 is fixed at the lower end of the rotating disc 9 in a key connection manner, the lower end of the rotating shaft 16 is fixed on the base 4, in the embodiment, the lower end of the rotating shaft 16 is fixed on the base 4 through a bearing seat, and the support column 15 is fixed on the base 4, in the embodiment, the support column 15 is fixed on the base 4 in a bolt connection manner, the second servo motor 19 is horizontally fixed on the support column 15 in a bolt connection manner, the end part of an output shaft of the second servo motor 19 is connected with one end of the worm 18, in the embodiment, the end part of the output shaft of the second servo motor 19 is connected with one end of the, the other end of the worm 18 is rotatably connected to the supporting column 15, in this embodiment, the other end of the worm 18 is rotatably connected to the supporting column 15 through a bearing seat, the worm wheel 17 is meshed with the worm 18, and the worm wheel 17 is fixed on the rotating shaft 16, in this embodiment, the worm wheel 17 is fixed on the rotating shaft 16 through a key connection mode.
The feeding mechanism comprises a feeding pipe 23, a feeding hopper 25, a push rod motor 22, a material pushing plate 24, a lifting cylinder 27 and a material pressing plate 26, wherein the feeding pipe 23 is fixed on the support frame 3, in the embodiment, the feeding pipe 23 is fixed on the support frame 3 in a bolt connection manner, a hollow pipeline is arranged inside the feeding pipe 23, the lower end of the feeding pipe 23 is provided with a first opening communicated with the inside of the support frame 3, a blocking structure is further arranged below the first opening, the feeding hopper 25 is fixed on the feeding pipe 23, in the embodiment, the feeding hopper 25 is fixed on the feeding pipe 23 in a bolt connection manner, the lower end of the feeding hopper 25 is communicated with the feeding pipe 23, the push rod motor 22 is horizontally fixed on the feeding pipe 23, in the embodiment, the push rod motor 22 is horizontally fixed on the feeding pipe 23 in a bolt connection manner, and a push rod of, the material pushing plate 24 is arranged in the hollow pipeline, the lifting cylinder 27 is vertically fixed on the material feeding pipe 23, in this embodiment, the lifting cylinder 27 is vertically fixed on the material feeding pipe 23 in a bolt connection mode, a piston rod of the lifting cylinder 27 penetrates through the material feeding pipe 23 to be connected with the material pressing plate 26, and the material pressing plate 26 is arranged in the hollow pipeline.
The separation structure includes separation board 20 and locating piece 21, and locating piece 21 is fixed on support frame 3, and in this embodiment, locating piece 21 is fixed on support frame 3 through bolted connection's mode, and separation board 20 passes through torsion spring to be fixed on locating piece 21, and in this embodiment, torsion spring is the existing product that can buy on the market, and separation board 20 is located inlet pipe 23 opening under, and separation board 20 level sets up.
The tamping mechanism comprises a sliding frame 29, a support rod 31, a mounting plate 33, a third servo motor 35, an eccentric wheel 34, a first connecting rod 32, a second connecting rod 30 and a tamping hammer 28, wherein the sliding frame 29 is fixed on the support frame 3, in the embodiment, the sliding frame 29 is fixed on the support frame 3 through a bolt connection mode, the lower end of the sliding frame 29 is provided with a second opening which is communicated with the inner part of the support frame 3, the support rod 31 is fixed on the sliding frame 29, in the embodiment, the support rod 31 is fixed on the sliding frame 29 through a bolt connection mode, the mounting plate 33 is fixed on the support rod 31, in the embodiment, the mounting plate 33 is fixed on the support rod 31 through a bolt connection mode, the third servo motor 35 is horizontally fixed on the mounting plate 33, in the embodiment, the third servo motor 35 is horizontally fixed on the mounting plate 33 through, the eccentric wheel 34 is fixed at the end part of the output shaft of the third servo motor 35, in this embodiment, the eccentric wheel 34 is fixed at the end part of the output shaft of the third servo motor 35 by a key connection mode, one end of the first connecting rod 32 is hinged on the eccentric wheel 34, the other end of the first connecting rod 32 is hinged with one end of the second connecting rod 30, the other end of the second connecting rod 30 passes through the sliding frame 29 and is fixed at the upper end of the tamping hammer 28, the lower end of the tamping hammer 28 passes through the support frame 3, the lower end of the tamping hammer 28 is a free end capable of contacting with the magnetic shoe 2, and the tamping hammer 28 is slidably arranged in the sliding frame 29.
In this embodiment, the material of the feeding pipe 23, the feeding hopper 25, the material pushing plate 24, the material pressing plate 26, the blocking plate 20, the torsion spring, the positioning block 21 and the supporting frame 3 are all plastic, the plastic is preferably made of ABS engineering plastic, the material of the tamping hammer 28 is wood, the wood is preferably made of elm, and the purpose of adopting the above materials is to prevent the magnetic shoe 2 from being influenced by the magnetic force in the installation process to affect the assembly precision.
The working principle of the invention is as follows: firstly, the action of a first servo motor 13 is controlled, an output shaft of the first servo motor 13 drives a bidirectional screw rod 10 to rotate, the bidirectional screw rod 10 drives a nut pair 7 to move oppositely, the nut pair 7 drives a sliding block 6 to move oppositely on a guide rail 5, a balancing effect is achieved, meanwhile, the nut pair 7 drives a fixing plate 8 to move oppositely, the fixing plate 8 drives a clamping plate 12 to move oppositely, the clamping plate 12 clamps and fixes a rotor base 1, and meanwhile, the shockproof pad 11 abuts against the rotor base 1 and limits the rotor base 1 through a limiting column 14b, so that the clamping and fixing of the rotor base 1 are more stable and effective, and the clamping stability is good; then, the magnetic shoe 2 is manually placed into the feeding hopper 25, the magnetic shoe 2 enters a hollow pipeline of the feeding pipe 23, the push rod motor 22 is controlled to act, the push rod motor 22 drives the material pushing plate 24 to move horizontally, the material pushing plate 24 drives the magnetic shoe 2 to move horizontally to the opening of the feeding pipe 23 and contact with the blocking plate 20, the blocking plate 20 is kept in a horizontal state through a torsion spring, the magnetic shoe 2 can be blocked, at the moment, the lifting cylinder 27 is controlled to act, the lifting cylinder 27 drives the material pressing plate 26 to move downwards to contact with the magnetic shoe 2, and the material pressing plate 26 continues to move downwards to press the magnetic shoe 2 into the rotor seat 1, so that the conveying work of the magnetic shoe 2 is completed; then, the second servo motor 19 is controlled to act, the second servo motor 19 drives the worm 18 to rotate, the worm 18 drives the worm wheel 17 to rotate, the worm wheel 17 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the rotating disc 9 to rotate, and the rotating disc 9 drives the rotor seat 1 to rotate to a specified angle position; finally, controlling a third servo motor 35 to act, wherein the third servo motor 35 drives an eccentric wheel 34 to rotate, the eccentric wheel 34 drives a first connecting rod 32 to rotate, the first connecting rod 32 drives a second connecting rod 30 to reciprocate up and down, the second connecting rod 30 drives a compaction hammer 28 to reciprocate up and down, and the compaction hammer 28 compacts the magnetic shoe 2 for multiple times, so that the magnetic shoe 2 is neatly and tightly installed in the rotor seat 1, and the assembly work of the external magnetic rotor is completed; through the cooperative action of the mechanisms, the periodic operation of the whole assembling process is realized, the outer magnetic rotor is limited on the rotating disc 9, the magnetic shoes 2 are installed around the rotating disc 9, the whole arrangement is compact, the action flow is reduced, the automatic assembling of the outer magnetic rotor is realized, the labor is saved, and the assembling efficiency is greatly improved.
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.