CN208474127U

CN208474127U - Single-screw rotor pump

Info

Publication number: CN208474127U
Application number: CN201821173712.3U
Authority: CN
Inventors: 何宏
Original assignee: Wuxi Hi Tech Co Ltd
Current assignee: Wuxi Hi Tech Co Ltd
Priority date: 2018-07-23
Filing date: 2018-07-23
Publication date: 2019-02-05
Anticipated expiration: 2028-07-23

Abstract

The utility model discloses single-screw rotor pumps, including pedestal, servo motor is installed on the pedestal, speed reducer, connector sleeve, the pump housing and pump stator, feed inlet is equipped in the side wall close to speed reducer one end, the pump rotor to match with it is equipped in pump stator, flowing lumen is formed between pump stator and pump rotor, flowing lumen is connected with discharge nozzle, it is characterized by: the output shaft of speed reducer is by inner cavity of connecting sleeve and penetrates pump housing inner cavity, output shaft is connected with flexible shaft, several blade groups are evenly arranged on flexible shaft, flexible shaft and pump rotor are sequentially connected, the rubber seal for separating the two is equipped in output shaft periphery and in the connectivity part of connector sleeve and the pump housing, in output shaft periphery and it is fitted and connected the set flexible block of inner wall radially installed, connector sleeve is equipped with first through hole on the bottom surface of corresponding flexible block, first Pulp-collecting box is equipped with below through-hole.

Description

Single-screw rotor pump

Technical field

The utility model relates to the transportation arts of lithium battery slurry, and in particular to single-screw rotor pump.

Background technique

The electrode of lithium ion battery manufactures, and anode sizing agent is made of adhesive, conductive agent, positive electrode etc.；Negative electrode slurry Then it is made of adhesive, graphite carbon dust etc..The preparation of positive and negative electrode slurry all includes liquid and liquid, liquid and solid material Between the series of process process such as be mutually mixed, dissolve, dispersing, and in this process all along with temperature, viscosity, ring The variation such as border.In positive and negative electrode slurry, the dispersibility and uniformity of particulate active are directly rung to lithium ion in battery two The movement of interpolar, therefore the mixing dispersion of the slurry of each pole piece material is most important in lithium ion battery production, slurry dispersion The quality of quality directly influences the performance of quality of subsequent lithium ion battery production and products thereof.

And the existing impeller pump that lithium battery slurry is conveyed, usually only have and lithium battery slurry transported Effect, not can guarantee the uniform transmission of lithium battery slurry but, therefore not can guarantee the quality of production of subsequent lithium battery yet.

And the mode that existing screw rotor pump mostly uses rotor and universal shaft to cooperate, and universal joint holds in long-term use It is easy to wear, influence the performance of product；And once the torque of motor is excessive, will lead to universal joint and continues to transmit torque to rotor, Make its pressure is excessive to cause to damage.

In addition, existing impeller pump is it occur frequently that the liquid in pump leads to electricity because of pressure excessive the phenomenon that flowing at motor The problem of machine damages.

Problem above is urgently to be resolved.

Utility model content

In view of the deficiency of background technique, the technical problem to be solved by the utility model is to provide one kind can be in transport lithium It is stirred for transmission quality that is uniform, improving lithium electric slurry while electric slurry and security performance can be effectively improved Single-screw rotor pump.

To realize the above-mentioned technical purpose, the utility model provides following technical solution:

Single-screw rotor pumps, including pedestal, is equipped with servo motor, the pump housing and pump stator, the servo on the pedestal Motor drive is connected with speed reducer, and the speed reducer is fixedly connected with connector sleeve, and the connector sleeve is fixedly connected with the pump housing, The pump housing is fixedly connected with the pump stator, and is equipped with feed inlet in the side wall close to described speed reducer one end, and the pump is fixed Be equipped with the pump rotor to match with it in sub, form flowing lumen between the pump stator and the pump rotor, the flowing lumen with Discharge nozzle is connected, it is characterised in that: the output shaft of the speed reducer is by the inner cavity of connecting sleeve and penetrates in the pump housing Chamber, the output shaft are connected with flexible shaft, and several blade groups, the flexible shaft and the pump are evenly arranged on the flexible shaft Rotor transmission connection, the output shaft periphery and in the connectivity part of the connector sleeve and the pump housing be equipped with for by the two into The rubber seal of row partition, in the output shaft periphery and is bonded the connector sleeve inner wall and is equipped with flexible block, the company Female connector is equipped with first through hole on the bottom surface of the correspondence flexible block, and pulp-collecting box is equipped with below the first through hole.

Front-rear side walls in the middle part of the connector sleeve are engraved structure, and are equipped with a matched transparent guarantor wherein Protective case, the flexible block radially installed is placed in the transparency protected shell in the output shaft periphery, described transparency protected Shell bottom surface is equipped with the second through-hole corresponding with the first through hole.

The outlet end of the pump housing and the outlet end of the pump stator are respectively provided with the first flange and second of radial protrusion It is respectively equipped with corresponding screw hole on flange, first flange and second flange, connects between the corresponding screw hole It is connected to matched double thread pull rod.

The rubber seal is the smaller biggish structure of other end internal diameter of one end internal diameter, and the lesser one end of internal diameter is close The pump housing, for the biggish one end of internal diameter close to the connector sleeve, the rubber seal forms annular on the output shaft Slot fills up filler in the annular groove, and the filler is compressed in a ring groove by the briquetting of the rubber seal side, described Briquetting is tightly against between the filler and the transparency protected shell.

The discharge nozzle is equipped with pressure inductor and temperature inductor, the pressure inductor and temperature in its feed end Inductor is connected with PLC controller respectively, and the PLC controller is also connected with the servo motor.

It is evenly distributed with nine blade groups on the flexible shaft, each blade group has a two panels blade, and every The blade is vertically arranged with the flexible shaft.

The diameter of the flexible shaft is a quarter of the output shaft.

After the above technical solution is adopted, the beneficial effects of the utility model are: being solved by flexible shaft instead of universal shaft The problem of universal shaft is prone to wear, and the diameter of flexible shaft is carefully more many than the output shaft of speed reducer, when torque reaches a certain level When, flexible shaft can be twisted, and prevent servo motor from torque being continued to be transmitted to pump rotor, the excessive danger of pressure is avoided the occurrence of, Improve the security performance of equipment；Simultaneously as being mounted with multiple groups blade on flexible shaft, can be helped by the shear action of blade It helps the slurries of pump body further to disperse, keeps slurry agitation uniform, improve the quality of slurry；In addition, due to rubber seal With flexible block it can play the role of preventing from pumping intracorporal slurry contact speed reducer, the effective protection safety of speed reducer makes Equipment is safely operated.

Detailed description of the invention

The utility model has following attached drawing:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the A-A cross-sectional view of Fig. 1；

Fig. 3 is the portion the B schematic diagram of Fig. 2.

Specific embodiment

As Figure 1-Figure 2, single-screw rotor pumps, including pedestal 1, is equipped with servo motor 2, the pump housing 3 on the pedestal 1 With pump stator 4, the servo motor 2 is sequentially connected with speed reducer 5, and the speed reducer 5 is fixedly connected with connector sleeve 6, the company Female connector 6 is fixedly connected with the pump housing 3, and the pump housing 3 is fixedly connected with the pump stator 4, and close to the speed reducer 5 one The side wall at end is equipped with feed inlet 31, and the pump rotor 8 to match with it, the pump stator 4 and the pump are equipped in the pump stator 4 Flowing lumen is formed between rotor 8, the flowing lumen is connected with discharge nozzle 9, and the output shaft 51 of the speed reducer 5 passes through the company 6 inner cavity of female connector simultaneously penetrates 3 inner cavity of the pump housing, and the output shaft 51 is connected with flexible shaft 10, and the diameter of the flexible shaft 10 is The a quarter of the output shaft is evenly arranged with several blade groups 101, the flexible shaft 10 and institute on the flexible shaft 10 The transmission connection of pump rotor 8 is stated, solves the problems, such as that universal shaft is prone to wear instead of universal shaft by flexible shaft 10, and flexible shaft 10 Diameter it is carefully more many than the output shaft of speed reducer 5, when torque reaches a certain level, flexible shaft 10 can be twisted, and prevent from watching It takes motor 2 torque is continued to be transmitted to pump rotor 8, avoids the occurrence of the excessive danger of pressure, improve the security performance of equipment；Meanwhile Due to being mounted with multiple blade groups on flexible shaft 10, in the present embodiment, nine leaves are evenly distributed on the flexible shaft 10 Piece group, each blade group have two panels blade, and the every blade is vertically arranged with the flexible shaft 10, by cutting for blade The effect of cutting can help the slurries inside the pump housing 3 further to disperse, and keep slurry agitation uniform, improve the quality of slurry；Described 51 periphery of output shaft is simultaneously close equipped with the rubber for separating the two in the connectivity part of the connector sleeve 6 and the pump housing 3 Seal 12 in 51 periphery of output shaft and is bonded 6 inner wall of connector sleeve and is equipped with flexible block 13, and the connector sleeve 6 exists The bottom surface of the corresponding flexible block 13 is equipped with first through hole 61, and pulp-collecting box 14 is equipped with below the first through hole 61.

In the present embodiment, the front-rear side walls at 6 middle part of connector sleeve are engraved structure, and are equipped with one and its wherein The transparency protected shell 15 to match, 13 radially installed of flexible block are placed in the transparent guarantor in 51 periphery of output shaft In protective case 15, transparency protected 15 bottom surface of shell is equipped with second through-hole corresponding with the first through hole 61.Since rubber is close Seal 12 and flexible block 13 can play the role of preventing in the pump housing 3 slurry to contact speed reducer 5, effective protection speed reducer 5 Safety, so that equipment is safely operated.

The outlet end of the outlet end of the pump housing 3 and the pump stator 4 be respectively provided with radial protrusion the first flange 32 and Corresponding screw hole is respectively equipped on second flange 41, first flange 32 and second flange 41, it is corresponding described Matched double thread pull rod 16 is connected between screw hole.So the pump housing 3 and pump rotor 8 can be securedly mounted to one It rises, guarantees between the two not because gap occurs for operation, to guarantee the normal conveying of slurry.

For the sealing effect for further increasing rubber seal 12, the rubber seal 12 is that one end internal diameter is smaller another The biggish structure of internal diameter is held, the lesser one end of internal diameter is close to the pump housing 3, and the biggish one end of internal diameter is close to the connector sleeve 6, the rubber seal 12 forms annular groove on the output shaft 51, and filler 17, the filler are filled up in the annular groove 17 are pressed in annular groove 121 by the briquetting 18 of 12 side of rubber seal, and the briquetting 18 is tightly against the filler Between 17 and the transparency protected shell 15.By briquetting 18, the pressuring action of filler 17, rubber seal 12 is not easy in slurry It shifts under collision, enhances its technical effect for obstructing slurry, the effective protection safety of speed reducer 5.

The discharge nozzle 9 is equipped with pressure inductor 19 and temperature inductor 20, the pressure inductor in its feed end 19 and temperature inductor 20 be connected respectively with PLC controller, the PLC controller is also connected with the servo motor 2.It is logical Excess pressure inductor 19 and temperature inductor 20 can monitor the temperature and pressure of slurry in real time, be controlled with Real-time Feedback to PLC Device once being more than index and order decelerating through motor or shuts down, the safety of effective protection equipment.

Claims

1. single-screw rotor pumps, including pedestal, servo motor, the pump housing and pump stator, the servo electricity are installed on the pedestal Machine is sequentially connected with speed reducer, and the speed reducer is fixedly connected with connector sleeve, and the connector sleeve is fixedly connected with the pump housing, institute It states the pump housing to be fixedly connected with the pump stator, and is equipped with feed inlet, the pump stator in the side wall close to described speed reducer one end It is interior to form flowing lumen between the pump stator and the pump rotor equipped with the pump rotor to match with it, the flowing lumen with go out Expects pipe is connected, it is characterised in that: and the output shaft of the speed reducer is by the inner cavity of connecting sleeve and penetrates the pump housing inner cavity, The output shaft is connected with flexible shaft, and several blade groups are evenly arranged on the flexible shaft, and the flexible shaft and the pump turn Son transmission connection is equipped in the output shaft periphery and in the connectivity part of the connector sleeve and the pump housing for carrying out the two The rubber seal of partition in the output shaft periphery and is bonded the connector sleeve inner wall and is equipped with flexible block, the connection It covers and is equipped with first through hole on the bottom surface of the correspondence flexible block, pulp-collecting box is equipped with below the first through hole.

2. single-screw rotor pump according to claim 1, it is characterised in that: the front-rear side walls in the middle part of the connector sleeve are to engrave Hollow structure, and a matched transparency protected shell is installed wherein, the flexible block radially installed is in the output Axis periphery is placed in the transparency protected shell, and the transparency protected shell bottom surface is equipped with corresponding with the first through hole second Through-hole.

3. single-screw rotor pump according to claim 1, it is characterised in that: the outlet end of the pump housing and the pump stator Outlet end be respectively provided with the first flange and the second flange of radial protrusion, on first flange and second flange respectively Equipped with corresponding screw hole, matched double thread pull rod is connected between the corresponding screw hole.

4. single-screw rotor pump according to claim 2, it is characterised in that: the rubber seal is that one end internal diameter is smaller The biggish structure of other end internal diameter, the lesser one end of internal diameter is close to the pump housing, and the biggish one end of internal diameter is close to the company Female connector, the rubber seal form annular groove on the output shaft, filler are filled up in the annular groove, the filler is by institute The briquetting for stating rubber seal side compresses in a ring groove, and the briquetting is tightly against the filler and the transparency protected shell Between.

5. single-screw rotor pump according to claim 1, it is characterised in that: the discharge nozzle is equipped with pressure in its feed end Power inductor and temperature inductor, the pressure inductor and temperature inductor are connected with PLC controller respectively, the PLC Controller is also connected with the servo motor.

6. single-screw rotor pump according to claim 1, it is characterised in that: be evenly distributed with nine institutes on the flexible shaft Blade group is stated, each blade group has two panels blade, and the every blade is vertically arranged with the flexible shaft.

7. single-screw rotor pump according to claim 1, it is characterised in that: the diameter of the flexible shaft is the output shaft A quarter.