CN216157893U

CN216157893U - Powder metallurgy of high efficiency installation is with holding big impeller pump stator-rotor

Info

Publication number: CN216157893U
Application number: CN202122142619.4U
Authority: CN
Inventors: 胡建斌; 刘晓静; 黄建栋; 张雷增
Original assignee: Lianyungang Nbtm New Materials Co ltd
Current assignee: Lianyungang Nbtm New Materials Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-04-01
Anticipated expiration: 2031-09-06

Abstract

The utility model relates to the technical field of rotors and discloses a high-efficiency-installed stator and rotor of a large-capacity vane pump for powder metallurgy, which comprises a rotor body, wherein four extrusion grooves are formed in the outer wall of a connecting shaft of the rotor body at equal intervals in a cross shape, a sleeve is sleeved on the outer wall of the connecting shaft of the rotor body, a mounting frame is fixedly connected to the positions, corresponding to the four extrusion grooves, of the outer wall of the sleeve, a hole is formed in the top surface of one side, away from the sleeve, of the mounting frame, a rotating shaft is connected in the hole through a rotating bearing, a hexagonal head is fixedly connected to the top surface of the rotating shaft, through the arrangement of the sleeve, in the process of connecting a pump body cover after the rotor is inserted, synchronous installation of a plurality of screws is realized through simple operation, so that the installation efficiency is greatly improved, in addition, the sleeve protects the connecting shaft of the rotor after installation, the probability of shaft breakage frequently occurring in the use process of the vane pump is effectively reduced, in the process of sleeving, the elastic cushion is contracted towards the inside of the sleeve through the arrangement of the air groove, so that the extrusion on the outer wall of the connecting shaft of the rotor body is reduced.

Description

Powder metallurgy of high efficiency installation is with holding big impeller pump stator-rotor

Technical Field

The utility model relates to the technical field of rotors, in particular to a large-capacity vane pump stator and rotor for powder metallurgy, which is installed efficiently.

Background

In powder metallurgy's equipment operation, the rotor load of impeller pump is higher, can often break down, consequently need dismantle the back with the impeller pump, maintains through the mode of changing the rotor, in the rotor installation, the rotor inserts the pump body after, need be connected with the shell of the pump body through the mode of installation screw, but because of the screw figure is more, the installation needs longer time, leads to being difficult to the promotion problem of installation effectiveness. There is therefore a need for a high efficiency mounted capacity large vane pump stator rotor for powder metallurgy to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a large-capacity vane pump stator and rotor for powder metallurgy, which is installed with high efficiency.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a large-capacity vane pump stator and rotor for powder metallurgy with high efficiency installation comprises a rotor body, four extrusion grooves are arranged on the outer wall of a connecting shaft of the rotor body at equal intervals in a cross shape, the cross section of each extrusion groove is in a right trapezoid shape, the inclined plane of each extrusion groove faces upwards, a sleeve is sleeved on the outer wall of the connecting shaft of the rotor body, mounting frames are fixedly connected with the positions, corresponding to the four extrusion grooves, of the outer wall of the sleeve, a hole is formed in the top surface, away from one side of the sleeve, of each mounting frame, a rotating shaft is connected with a rotating shaft through a rotating bearing, a groove is formed in the position, corresponding to the rotating shaft, inside the mounting frame, of each mounting frame, a fan plate is fixedly connected with the outer wall of the rotating shaft, a hexagonal head is fixedly connected with the top surface of the rotating shaft, elastic pads are arranged on the positions, corresponding to the four extrusion grooves, springs are arranged inside the elastic pads, one side, away from the rotor body, of each elastic pad, is fixedly connected with an air pipe, one end, away from the air pipe, penetrates through the sleeve and the mounting frame, is communicated with the grooves, corresponding to the fan plates, one side of the mounting frame, which is far away from the sleeve, is provided with a hole and is communicated with the air pipe.

Preferably, the inner wall of the sleeve is provided with an air groove with a convex cross section at a position corresponding to the elastic pad, the inner wall of the air groove is sleeved with a piston, one surface of the piston corresponding to the elastic pad is fixedly connected with a plug rod in a T shape, the plug rod is fixedly connected with the elastic pad at the corresponding position, and the bottom surface of the plug rod is provided with a discharge hole.

Preferably, one side of the plug rod, which is far away from the elastic pad, is provided with a hole with a truncated cone-shaped cross section, and a truncated cone baffle is attached to the hole, the side with the large diameter of the truncated cone baffle corresponds to the elastic pad, and the truncated cone baffle is connected with the piston through a spring.

Preferably, an oil discharge pipe with a hollow center is sleeved on the inner wall of the discharge hole.

Preferably, the outer wall of the lower part of the sleeve is provided with a thread groove and is in threaded connection with a plugging cylinder, and the top surface of the plugging cylinder corresponding to the oil discharge pipe is provided with an oil guide hole.

(III) advantageous effects

Compared with the prior art, the utility model provides the large-capacity vane pump stator and rotor for the powder metallurgy, which are efficiently installed, and have the following beneficial effects:

1. this powder metallurgy of high efficiency installation is with holding big impeller pump stator-rotor, through telescopic setting, carry out the connection process of pump body lid after the rotor inserts, realize the synchronous installation of a plurality of screws through simple operation, thereby improve the installation effectiveness by a wide margin, and the sleeve protects the connecting axle of rotor after the installation, effectively reduce the probability of the disconnected axle problem that often takes place in the impeller pump use, embolia the in-process, set up through the gas tank and let the cushion to contract in the sleeve, in order to reduce the extrusion to rotor body connecting axle outer wall, prevent that the sleeve embolias the process and be obstructed and the problem of inefficiency.

2. This powder metallurgy of high efficiency installation is with holding big impeller pump stator-rotor through the setting of air pocket, realizes the automatic operation of paining lubricating oil in the installation, improves the functional of structure, and saves the step that the user manually paintd lubricating grease and cleared up to further improve work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention in partial cross-section;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

fig. 4 is an enlarged view of fig. 2 at B.

In the figure: 1. a rotor body; 2. extruding a groove; 3. a sleeve; 4. a mounting frame; 5. a rotating shaft; 6. a hexagonal head; 7. a fan plate; 8. an elastic pad; 9. an air tube; 10. an air tank; 11. a piston; 12. a stopper rod; 13. a discharge hole; 14. a plugging cylinder; 15. an oil discharge pipe; 16. an oil guide hole; 17. a circular truncated cone baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a high-efficiency installed stator and rotor of a large-capacity vane pump for powder metallurgy, comprising a rotor body 1, four extrusion grooves 2 are arranged on the outer wall of a connecting shaft of the rotor body 1 at equal intervals, the cross section of each extrusion groove 2 is in a right trapezoid shape, the inclined plane of each extrusion groove is upward, a sleeve 3 is sleeved on the outer wall of the connecting shaft of the rotor body 1, mounting frames 4 are fixedly connected to the outer wall of each sleeve 3 at positions corresponding to the four extrusion grooves 2, a hole is arranged on the top surface of one side of each mounting frame 4 far away from the corresponding sleeve 3, a rotating shaft 5 is connected in the hole through a rotating bearing, a slotted and slotted fan plate 7 is fixedly connected to the outer wall of the rotating shaft 5 in the slot is arranged in the position corresponding to the rotating shaft 5, a hexagonal head 6 is fixedly connected to the top surface of the rotating shaft 5, elastic pads 8 are arranged on the inner wall of each sleeve 3 at positions corresponding to the four extrusion grooves 2, springs are arranged in the elastic pads 8, one side far away from the rotor body 1 is fixedly connected and communicated with an air pipe 9, the one end that the cushion 8 was kept away from to trachea 9 runs through in sleeve 3 and mounting bracket 4 and with the mounting bracket 4 in correspond the groove intercommunication of sector 7, the one side that sleeve 3 was kept away from to mounting bracket 4 is seted up porosely and is communicated with trachea 9.

The inner wall of the sleeve 3 is provided with an air groove 10 with a convex cross section at a position corresponding to the elastic pad 8, the inner wall of the air groove 10 is sleeved with a piston 11, one surface of the piston 11 corresponding to the elastic pad 8 is fixedly connected with a plug rod 12 in a T shape, the plug rod 12 is fixedly connected with the elastic pad 8 at a corresponding position, and the bottom surface of the plug rod 12 is provided with a discharge hole 13.

One side of the plug rod 12, which is far away from the elastic pad 8, is provided with a hole with a truncated cone-shaped cross section, and a truncated cone baffle 17 is attached to the hole, the side with the large diameter of the truncated cone baffle 17 corresponds to the elastic pad 8, and the truncated cone baffle 17 is connected with the piston 11 through a spring.

An oil discharge pipe 15 with a hollow center is sleeved on the inner wall of the discharge hole 13.

The outer wall of the lower part of the sleeve 3 is provided with a thread groove and is in threaded connection with a plugging cylinder 14, and the top surface of the plugging cylinder 14 corresponding to the oil discharge pipe 15 is provided with an oil guide hole 16.

When the sealing device is used, firstly, the sleeve 3 is separated from the rotor body 1, then the rotor body 1 is inserted into a pump body, then a cover of the pump body is covered, then screws are respectively inserted into the hexagonal heads 6, then the sleeve 3 is sleeved on a connecting shaft of the rotor body 1, in the sleeving process, when the elastic cushion 8 is contacted with the outer wall of the connecting shaft of the rotor body 1, the elastic cushion 8 is contracted towards the air groove 10 by pushing the plug rod 12 to reduce the extrusion on the outer wall of the connecting shaft of the rotor body 1, when the elastic cushion 8 slides to correspond to the extrusion groove 2, the spring on the circular truncated cone baffle 17 rebounds to drive the elastic cushion 8 to extend out and be inserted into the extrusion groove 2, then the plugging cylinder 14 is rotated to move upwards, so that the discharge hole 13 is sealed, after the discharge hole 13 is sealed, the resistance borne by the piston 11 is increased to ensure that the elastic cushion 8 cannot be contracted towards the air groove 10, at the moment, the screws correspond to a threaded hole on the pump body, continue upwards sliding sleeve 3, cushion 8 extrudees gradually and pours into mounting bracket 4 into with its inside air through trachea 9 along with extrusion groove 2 inner wall in, and fan board 7 drives pivot 5 and rotates under the atmospheric pressure effect, and pivot 5 drives the screw through hexagon head 6 and rotates and be connected with the screw hole on the pump body lid.

Before the sleeve 3 is sleeved on a connecting shaft of the rotor body 1, lubricating grease is injected into the air groove 10 through the circular truncated cone baffle 17, then the blocking cylinder 14 is rotated to enable the oil guide hole 16 to correspond to the oil discharge pipe 15, in the process that the elastic pad 8 slides into the air groove 10 when the sleeve 3 is sleeved, the piston 11 extrudes the lubricating grease out through the discharge hole 13, the circular truncated cone baffle 17 is tightly closed by pressure, the lubricating grease pushes the oil discharge pipe 15 to be close to the blocking cylinder 14 to enable the discharge hole 13 to be communicated with the oil guide hole 16, then the lubricating grease is extruded onto a tooth groove at the tail end of the connecting shaft of the rotor body 1 through the oil guide hole 16, and when the blocking cylinder 14 rotates to be attached to an orifice of the discharge hole 13, the oil guide hole 16 and the discharge hole 13 are in a staggered state.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a powder metallurgy of high efficiency installation is with holding big impeller pump stator-rotor, includes rotor body (1), its characterized in that: the rotor comprises a rotor body (1), wherein four extrusion grooves (2) are formed in the outer wall of a connecting shaft of the rotor body (1) at equal intervals in a cross shape, the cross section of each extrusion groove (2) is in a right trapezoid shape, the inclined plane of each extrusion groove is upward, a sleeve (3) is sleeved in the outer wall of the connecting shaft of the rotor body (1), mounting frames (4) are fixedly connected to the positions, corresponding to the four extrusion grooves (2), of the outer wall of each sleeve (3), a hole is formed in the top surface of one side, away from the corresponding sleeve (3), of each mounting frame (4), a rotating shaft (5) is connected in each hole through a rotating bearing, a groove is formed in the position, corresponding to the corresponding rotating shaft (5), of the inner wall of each mounting frame (4), a fan plate (7) is fixedly connected to the outer wall of the corresponding rotating shaft (5), a hexagonal head (6) is fixedly connected to the top surface of the corresponding to each rotating shaft (5), elastic pads (8) are arranged in the positions, springs are arranged in the elastic pads (8), one side fixed connection and the intercommunication that rotor body (1) was kept away from in cushion (8) have trachea (9), and the one end that cushion (8) were kept away from in trachea (9) runs through in sleeve (3) and mounting bracket (4) and with mounting bracket (4) in the groove intercommunication that corresponds sector (7), and the one side that sleeve (3) were kept away from in mounting bracket (4) is seted up porosely and is communicated with trachea (9).

2. A high efficiency mounted capacity large vane pump stator and rotor for powder metallurgy according to claim 1 wherein: the air groove (10) with the cross section in the shape of a convex character is formed in the position, corresponding to the elastic pad (8), of the inner wall of the sleeve (3), the piston (11) is sleeved into the inner wall of the air groove (10), one face, corresponding to the elastic pad (8), of the piston (11) is fixedly connected with a plug rod (12) in the shape of a T, the plug rod (12) is fixedly connected with the elastic pad (8) in the corresponding position, and a discharge hole (13) is formed in the bottom face of the plug rod (12).

3. A high efficiency mounted capacity large vane pump stator and rotor for powder metallurgy according to claim 2 wherein: the piston rod (12) is far away from the elastic pad (8), a hole with a cross section of a circular truncated cone shape is formed in the surface of the piston rod (12) far away from the elastic pad (8), a circular truncated cone baffle (17) is attached to the surface of the circular truncated cone baffle (17), the surface with the large diameter of the circular truncated cone baffle (17) corresponds to the elastic pad (8), and the circular truncated cone baffle (17) is connected with the piston (11) through a spring.

4. A high efficiency mounted capacity large vane pump stator and rotor for powder metallurgy according to claim 2 wherein: an oil discharge pipe (15) with a hollow center is sleeved on the inner wall of the discharge hole (13).

5. A high efficiency mounted capacity large vane pump stator and rotor for powder metallurgy according to claim 4 wherein: the outer wall of the lower part of the sleeve (3) is provided with a thread groove and is in threaded connection with a plugging cylinder (14), and the top surface of the plugging cylinder (14) corresponding to the oil discharge pipe (15) is provided with an oil guide hole (16).