CN213966293U

CN213966293U - Shield tail sealing grease stirring device

Info

Publication number: CN213966293U
Application number: CN202022578286.5U
Authority: CN
Inventors: 黄霄震; 黄河
Original assignee: Hangzhou Derui New Material Technology Co ltd
Current assignee: Hangzhou Derui New Material Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-17
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a shield tail sealing grease agitating unit, it includes agitator and apron, agitator top and cover connection, the agitator bottom is equipped with discharge gate and supporting leg, be equipped with the seal valve in the discharge gate, be equipped with the stirring spout on the apron, be equipped with the spliced pole on the stirring spout, spliced pole one end and stirring spout sliding connection, the spliced pole other end is equipped with agitator motor, be equipped with the stirring assembly on the agitator motor output, the stirring assembly is located the agitator, be equipped with the rotating electrical machines in the apron, the rotating electrical machines is located the apron center, be equipped with the output shaft on the rotating electrical machines, output shaft one end and rotating electrical machines fixed connection, the output shaft other end is located the agitator and is equipped with the push rod, push rod one end and output shaft fixed connection, the push rod other end is equipped with spacing rectangular hole, spliced pole one end and stirring spout sliding connection, the spliced pole other end runs through spacing rectangular hole and is connected with agitator motor. The utility model has the advantages that: the mixture can be fully stirred.

Description

Shield tail sealing grease stirring device

Technical Field

The utility model belongs to the technical field of the relevant technique of grease and specifically relates to indicate a shield tail seals grease agitating unit.

Background

With the current extensive construction of underground projects such as subways and tunnels and the wide application of shield method construction, the shield tail sealing grease is used as one of main matched materials of a shield tail of a shield tunneling machine in a shield method construction tunnel, and the market prospect is wide. The lubricating and sealing functions of the shield tail sealing grease can effectively protect the shield tail and isolate slurry, prevent infiltration of the slurry and the mud jacking and ensure the smooth propulsion of the shield.

At present, domestic grease is stirred only through single rotation of a stirring shaft in the preparation process, so that the grease cannot be fully stirred, the quality of a finished product is greatly reduced, and smooth propulsion of hooks cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the prior art not enough of insufficient stirring of grease in the preparation process, provide a stir abundant shield tail sealing grease agitating unit.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shield tail sealing grease stirring device comprises a stirring barrel and a cover plate, wherein the top of the stirring barrel is an open end and is connected with the cover plate, the bottom of the stirring barrel is provided with a discharge port and a plurality of uniformly distributed supporting legs, a sealing valve is arranged in the discharge port, a stirring chute is arranged on the cover plate, a connecting column is arranged on the stirring chute, one end of the connecting column is positioned in the stirring chute and is in sliding connection with the stirring chute, a stirring motor is arranged at the other end of the connecting column, a stirring assembly is arranged on the output end of the stirring motor and is positioned in the stirring barrel, a rotating motor is arranged in the cover plate and is positioned at the center of the cover plate, an output shaft is arranged on the rotating motor, one end of the output shaft is fixedly connected with the rotating motor, the other end of the output shaft is positioned in the stirring barrel and is provided with a push rod, the stirring device is characterized in that the push rod is perpendicular to the output shaft, one end of the push rod is fixedly connected with the output shaft, a limiting rectangular hole is formed in the other end of the push rod, one end of the connecting column is connected with the stirring chute in a sliding mode, and the other end of the connecting column penetrates through the limiting rectangular hole to be connected with the stirring motor. Opening the cover plate, putting the formula raw materials into the stirring barrel through the opening end of the stirring barrel, covering the cover plate to be ready for stirring and mixing, starting the rotating motor, driving the push rod to rotate by the output shaft of the rotating motor, pushing the connecting column to slide back and forth along the stirring chute by the push rod through the limiting rectangular hole, and stirring the materials in the stirring barrel by the stirring assembly under the action of the connecting column; meanwhile, the stirring assembly generates rotation under the action of the stirring motor, so that the mixture in the stirring barrel can be fully stirred, the stirring quality is improved, the stirring time is saved, the working efficiency is improved, and the purpose of full stirring is achieved.

Preferably, the shape of stirring spout is the heliciform, the center of stirring spout is located the central axis of output shaft, the length of spacing rectangular hole is greater than the maximum radius of stirring spout. The length in spacing rectangular hole is greater than the biggest radius of stirring spout for the push rod can promote the spliced pole under the effect in spacing rectangular hole and slide to the other end from the one end of stirring spout, makes its material in the intensive mixing agitator, and reasonable in design is simple.

Preferably, the end part of the connecting column is provided with a ball body matched with the stirring chute, the ball body is fixedly connected with the connecting column, the connecting column is in sliding connection with the stirring chute through the ball body, and the diameter of the ball body is larger than that of the connecting column. The shape of the stirring chute is spiral, so that the connecting column can smoothly slide in the stirring chute due to the design of the ball body, and the friction force during sliding is reduced; the diameter of the sphere is larger than that of the connecting column, so that the connecting column can be mounted in the stirring chute through the sphere, and the limiting effect is achieved.

Preferably, the stirring barrel is cylindrical, a groove matched with the opening end of the stirring barrel is formed in one side of the cover plate, the stirring chute is positioned at the bottom of the groove and in the opening end of the stirring barrel, a linear driving device is arranged at the center of the other side corresponding to the cover plate, a hoisting plate is arranged at the top end of the linear driving device, the linear driving device is detachably connected with the hoisting plate, the bottom end of the linear driving device is rotatably connected with the cover plate, the cover plate is circular, a plurality of uniformly distributed racks are arranged on the outer edge of the cover plate, a T-shaped groove is formed in the outer side wall of the stirring barrel, a sliding seat is arranged in the T-shaped groove, the sliding seat is in vertical sliding connection with the stirring barrel through the T-shaped groove, a connecting plate and a driving motor are arranged on the sliding seat, and the connecting plate is positioned between the T-shaped groove and the driving motor, the slide passes through connecting plate and apron fixed connection, the one end and the T type groove phase-match of slide, driving motor installs in the other end of slide, be equipped with on driving motor's the output with rack engaged with gear. When the cover plate needs to be opened, the linear driving device is started, the linear driving device drives the cover plate to move upwards, the cover plate drives the sliding seat to move upwards along the T-shaped groove through the connecting plate, and the driving motor on the sliding seat moves upwards along with the sliding seat, so that the gear is enabled to be meshed with the rack all the time; on the contrary, when the cover plate needs to be closed, the linear driving device drives the cover plate to move downwards until the opening end of the stirring barrel is positioned in the groove; owing to add in the formula of shield tail sealing grease and have the tackifier, the tackifier has viscidity, so on its easy adhesion in the inside wall of agitator, if do not strike off the material on its inside wall, then can cause the ratio quality after extravagant and the influence mixture to the raw materials: the rotating motor is started, an output shaft of the rotating motor drives a push rod to rotate, the push rod pushes the connecting column to slide along the stirring chute through the limiting rectangular hole, when the stirring assembly slides to the tail end of the stirring chute under the driving of the connecting column, the stirring assembly is in contact with the inner side wall of the stirring barrel at the moment, the rotating motor is stopped, the driving motor is started, the driving motor drives the gear to rotate, the gear drives the cover plate to rotate through the rack, finally, the stirring assembly rotates along the inner side wall of the stirring barrel, materials adhered to the inner side wall of the stirring barrel are scraped to be mixed in the materials again for stirring, and meanwhile, the cleaning of the inner side wall of the stirring barrel is facilitated, so that the utilization rate and the proportioning quality of raw materials are improved; the shape design of the stirring barrel and the cover plate is beneficial to the cover plate to rotate around the opening end of the stirring barrel through the meshing of the gear and the rack under the driving of the driving motor.

Preferably, the linear driving device comprises a cylinder, one end of the cylinder is detachably connected with the hoisting plate, the other end of the cylinder is provided with a telescopic shaft, one end of the telescopic shaft is fixedly connected with the cylinder, the other end of the telescopic shaft is provided with a ball bearing, and the telescopic shaft is rotatably connected with the center of the cover plate through the ball bearing. The design of the ball bearing is beneficial to the cover plate to rotate around the opening end of the stirring barrel through the meshing of the gear and the rack under the driving of the driving motor.

Preferably, the open end of the stirring barrel is provided with a plurality of arc grooves which are uniformly distributed, the arc grooves are internally provided with ball bodies matched with the arc grooves, the ball bodies are in rolling connection with the arc grooves, and the open end of the stirring barrel is in contact with the bottoms of the grooves through the ball bodies. The design is favorable to reducing the frictional force that produces when apron and agitator open end relative rotation for the rotation of apron is more smooth and easy, reduces the wearing and tearing of apron and agitator, increase of service life.

Preferably, the stirring assembly includes the cylinder, the tip of cylinder can be dismantled with agitator motor's output and be connected, be equipped with a plurality of stirring leaves on the lateral wall of cylinder, the circumference evenly distributed of a plurality of stirring leaves along the cylinder, the one end of stirring leaf is greater than the thickness of the other end with cylinder fixed connection and its thickness, the width of stirring leaf equals the shortest distance of cylinder lateral wall to agitator inside wall. The design of stirring leaf thickness is favorable to improving the intensity of stirring leaf on the one hand, makes its difficult rupture at the stirring in-process, and on the other hand is favorable to improving the efficiency of scraping the adhesion material on the agitator inside wall, reasonable in design.

Preferably, be equipped with proximity switch and temperature sensor on the inside wall of agitator, the inside wall of agitator is kept away from to the one end of stirring spout, the other end of stirring spout is close to the inside wall of agitator and corresponding with proximity switch's position, install control panel on the outside wall of agitator, be equipped with the controller in the control panel. When the stirring assembly slides to the tail end through the stirring chute, the proximity switch receives a signal and transmits the signal to the controller, the controller controls the rotating motor to stop working temporarily, the driving motor is started, the cover plate is driven to rotate, the cover plate drives the stirring assembly to rotate, so that stirring blades on the stirring assembly are continuously scraped with the inner side wall of the stirring barrel to remove materials adhered to the inner side wall of the stirring barrel to enable the materials to be mixed into the stirring barrel again for stirring again, and after scraping is finished, the controller controls the rotating motor to work to drive the stirring assembly to rotate reversely along the stirring chute, so that the stirring assembly reciprocates, is reasonable in design and is convenient to operate; the temperature sensor senses the temperature in the stirring barrel and can transmit signals to the controller, so that an operator can control the temperature in the stirring barrel through the control panel conveniently; the control panel can control the work of the air cylinder, the stirring motor, the rotating motor and the driving motor, and can set and display various control parameters.

The utility model has the advantages that: the mixture in the mixing barrel can be fully mixed, so that the mixing quality is improved, the mixing time is saved, and the working efficiency is improved; the cleaning of the inner side wall of the stirring barrel is facilitated, so that the utilization rate and the proportioning quality of the raw materials are improved; the design is reasonable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the stirring assembly when cleaning the inner side wall of the stirring barrel;

FIG. 3 is a schematic view of the structure of the cover plate when the cover plate is opened;

FIG. 4 is a cross-sectional view A-A of FIG. 1;

FIG. 5 is an end view of the stirring assembly.

In the figure: 1. the stirring device comprises a stirring barrel, a cover plate, a discharge hole, a supporting leg, a sealing valve, a stirring chute, a connecting column, a stirring motor, a stirring assembly, a rotating motor, a rotating shaft, an output shaft, a push rod, a limiting rectangular hole, a ball, a groove, a linear driving component, a lifting plate, a rack, a T-shaped groove, a sliding seat, a connecting plate, a driving motor, a gear, a cylinder, a telescopic shaft, a ball bearing, a ball body, a cylinder, a stirring blade, a proximity switch and a control panel, wherein the stirring barrel comprises 2, the cover plate, 3, the discharge hole, 4, the supporting leg, 5, the sealing valve, 6, the stirring chute, 7, the connecting column, 8, the groove, 16, the linear driving component, 17, the lifting plate, a rack, 19, the T-shaped groove, 20, the sliding seat, the connecting plate, 22, the driving motor, the gear, 24, the cylinder, 25, the telescopic shaft, 26, the ball bearing, 27, the ball body, the cylinder and the stirring blade, the proximity switch and the control panel.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, fig. 2 and fig. 3, a shield tail sealing grease stirring device comprises a stirring barrel 1 and a cover plate 2, the top of the stirring barrel 1 is an open end and is connected with the cover plate 2, a discharge port 3 and a plurality of uniformly distributed supporting legs 4 are arranged at the bottom of the stirring barrel 1, a sealing valve 5 is arranged in the discharge port 3, a stirring chute 6 is arranged on the cover plate 2, a connecting column 7 is arranged on the stirring chute 6, one end of the connecting column 7 is located in the stirring chute 6 and is in sliding connection with the stirring chute 6, a stirring motor 8 is installed at the other end of the connecting column 7, a stirring assembly 9 is arranged at the output end of the stirring motor 8, and the stirring assembly 9 is located in the stirring barrel 1.

As shown in fig. 1, a rotating motor 10 is arranged in the cover plate 2, the rotating motor 10 is located at the center of the cover plate 2, an output shaft 11 is arranged on the rotating motor 10, one end of the output shaft 11 is fixedly connected with the rotating motor 10, the other end of the output shaft 11 is located in the stirring barrel 1 and is provided with a push rod 12, the push rod 12 is perpendicular to the output shaft 11, one end of the push rod 12 is fixedly connected with the output shaft 11, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a limiting rectangular hole 13 is arranged at the other end of the push rod 12, one end of the connecting column 7 is slidably connected with the stirring chute 6, the other end of the connecting column 7 penetrates through the limiting rectangular hole 13 to be connected with the stirring motor 8, as shown in fig. 4, the stirring chute 6 is spiral, the center of the stirring chute 6 is located on the central axis of the output shaft 11, and the length of the limiting rectangular hole 13 is greater than the maximum radius of the stirring chute 6.

As shown in fig. 1, 2 and 3, a ball 14 matched with the stirring chute 6 is arranged at the end of the connecting column 7, the ball 14 is fixedly connected with the connecting column 7, the connecting column 7 is slidably connected with the stirring chute 6 through the ball 14, and the diameter of the ball 14 is larger than that of the connecting column 7.

As shown in fig. 1, 2 and 3, the stirring barrel 1 is cylindrical, one side of the cover plate 2 is provided with a groove 15 matched with the open end of the stirring barrel 1, the stirring chute 6 is positioned at the bottom of the groove 15 and in the open end of the stirring barrel 1, the center of the other side corresponding to the cover plate 2 is provided with a linear driving device 16, the top end of the linear driving device 16 is provided with a hoisting plate 17, the linear driving device 16 is detachably connected with the hoisting plate 17, the bottom end of the linear driving device 16 is rotatably connected with the cover plate 2, as shown in fig. 1, 2, 3 and 4, the cover plate 2 is circular, the outer edge of the cover plate 2 is provided with a plurality of uniformly distributed racks 18, the outer side wall of the stirring barrel 1 is provided with a T-shaped groove 19, a sliding seat 20 is arranged in the T-shaped groove 19, the sliding seat 20 is connected with the stirring barrel 1 in an up-down sliding manner through the T-shaped groove 19, the sliding seat 20 is provided with a connecting plate 21 and a driving motor 22, the connecting plate 21 is located between the T-shaped groove 19 and the driving motor 22, the sliding seat 20 is fixedly connected with the cover plate 2 through the connecting plate 21, one end of the sliding seat 20 is matched with the T-shaped groove 19, the driving motor 22 is installed at the other end of the sliding seat 20, and a gear 23 meshed with the rack 18 is arranged at the output end of the driving motor 22.

As shown in fig. 1, 2 and 3, the linear driving device 16 includes an air cylinder 24, one end of the air cylinder 24 is detachably connected to the hoisting plate 17, the other end of the air cylinder 24 is provided with a telescopic shaft 25, one end of the telescopic shaft 25 is fixedly connected to the air cylinder 24, the other end of the telescopic shaft 25 is provided with a ball bearing 26, and the telescopic shaft 25 is rotatably connected to the center of the cover plate 2 through the ball bearing 26. The open end of agitator 1 is equipped with a plurality of evenly distributed's arc wall, is equipped with in the arc wall rather than assorted ball body 27, and ball body 27 and arc wall roll connection, the open end of agitator 1 contacts through the bottom of ball body 27 with recess 15.

As shown in fig. 5, the stirring assembly 9 includes a column 28, an end of the column 28 is detachably connected to an output end of the stirring motor 8, a plurality of stirring blades 29 are disposed on an outer side wall of the column 28, the plurality of stirring blades 29 are uniformly distributed along a circumferential direction of the column 28, one end of each stirring blade 29 is fixedly connected to the column 28, and a thickness of the one end of each stirring blade 29 is greater than a thickness of the other end of each stirring blade, as shown in fig. 2, a width of each stirring blade 29 is equal to a shortest distance from an outer side wall of the column 28 to an inner side wall of the stirring barrel 1.

As shown in fig. 2 and 4, a proximity switch 30 and a temperature sensor are arranged on the inner side wall of the stirring barrel 1, one end of the stirring chute 6 is far away from the inner side wall of the stirring barrel 1, the other end of the stirring chute 6 is close to the inner side wall of the stirring barrel 1 and corresponds to the proximity switch 30, a control panel 31 is arranged on the outer side wall of the stirring barrel 1, and a controller is arranged in the control panel 31.

The working principle is as follows: the control panel 31 is convenient for an operator to operate and controls the stirring work of the stirring barrel 1; an operator starts the air cylinder 24 through the control panel 31, the air cylinder 24 drives the cover plate 2 to move upwards, and the cover plate 2 is opened; the formula raw materials are put into the stirring barrel 1 through the opening end of the stirring barrel 1, the air cylinder 24 drives the cover plate 2 to move downwards, and the cover plate 2 is covered to stir and mix the formula raw materials; when the stirring is mixed, the rotating motor 10 is started, the output shaft 11 of the rotating motor 10 drives the push rod 12 to rotate, the push rod 12 pushes the connecting column 7 through the limiting rectangular hole 13 to enable the connecting column 7 to slide along the stirring chute 6, meanwhile, the stirring motor 8 is started, the stirring motor 8 drives the stirring assembly 9 to rotate, and the stirring blades 29 on the stirring assembly 9 fully stir materials in the stirring barrel 1.

Because add in the formula of shield tail sealing grease and have the tackifier, the tackifier has viscidity, so on its easy adhesion in agitator 1's inside wall, if do not strike off the material on its inside wall, then can cause the ratio quality after extravagant and the influence is mixed to the raw materials: when the connecting column 7 slides to the end of the stirring chute 6, the stirring blade 29 on the stirring assembly 9 contacts with the inner side wall of the stirring barrel 1, the proximity switch 30 receives the signal and transmits the signal to the controller, the controller controls the rotating motor 10 to stop working, the driving motor 22 is started, the driving motor 22 drives the gear 23 to rotate, the gear 23 drives the cover plate 2 to rotate through the rack 18, the cover plate 2 drives the stirring assembly 9 to rotate, finally, the stirring blade 29 rotates along the inner side wall of the stirring barrel 1 and scrapes the inner side wall of the stirring barrel 1, the material adhered to the inner side wall of the stirring barrel 1 is scraped to be mixed in the material again for stirring, the cleaning of the inner side wall of the stirring barrel 1 is facilitated, after the scraping is finished, the driving motor 22 is closed, the controller controls the rotating motor 10 to work again, so that the stirring assembly 9 is driven to rotate reversely along the stirring chute 6 for stirring again, thereby reciprocating.

Claims

1. The utility model provides a shield tail seals grease agitating unit, characterized by includes agitator (1) and apron (2), the top of agitator (1) is the open end and is connected with apron (2), the bottom of agitator (1) is equipped with discharge gate (3) and a plurality of evenly distributed's supporting leg (4), be equipped with seal valve (5) in discharge gate (3), be equipped with stirring spout (6) on apron (2), be equipped with spliced pole (7) on stirring spout (6), the one end of spliced pole (7) is located stirring spout (6) and with stirring spout (6) sliding connection, agitator motor (8) are installed to the other end of spliced pole (7), be equipped with stirring assembly (9) on the output of agitator motor (8), stirring assembly (9) are located agitator (1), be equipped with rotating electrical machines (10) in apron (2), the utility model discloses a stirring device, including spliced pole (7), rotating electrical machines (10), be equipped with output shaft (11) on rotating electrical machines (10), the one end and the rotating electrical machines (10) fixed connection of output shaft (11), the other end of output shaft (11) is located agitator (1) and is equipped with push rod (12), push rod (12) and output shaft (11) mutually perpendicular, the one end and output shaft (11) fixed connection of push rod (12), the other end of push rod (12) is equipped with spacing rectangular hole (13), the one end and the stirring spout (6) sliding connection of spliced pole (7), the other end of spliced pole (7) runs through spacing rectangular hole (13) and is connected with agitator motor (8).

2. The shield tail sealing grease mixing device according to claim 1, wherein the mixing chute (6) is spiral in shape, the center of the mixing chute (6) is located on the central axis of the output shaft (11), and the length of the limiting rectangular hole (13) is greater than the maximum radius of the mixing chute (6).

3. The shield tail sealing grease mixing device according to claim 1 or 2, characterized in that a ball body (14) matched with the mixing chute (6) is arranged at the end part of the connecting column (7), the ball body (14) is fixedly connected with the connecting column (7), the connecting column (7) is in sliding connection with the mixing chute (6) through the ball body (14), and the diameter of the ball body (14) is larger than that of the connecting column (7).

4. The shield tail sealing grease mixing device according to claim 3, wherein the mixing barrel (1) is cylindrical, a groove (15) matched with the open end of the mixing barrel (1) is formed in one side of the cover plate (2), the mixing chute (6) is positioned at the bottom of the groove (15) and in the open end of the mixing barrel (1), a linear driving device (16) is arranged at the center of the other side corresponding to the cover plate (2), a hoisting plate (17) is arranged at the top end of the linear driving device (16), the linear driving device (16) is detachably connected with the hoisting plate (17), the bottom end of the linear driving device (16) is rotatably connected with the cover plate (2), the cover plate (2) is circular, and a plurality of uniformly distributed racks (18) are arranged on the outer edge of the cover plate (2), be equipped with T type groove (19) on the lateral wall of agitator (1), be equipped with slide (20) in T type groove (19), slide (20) are through sliding connection about T type groove (19) and agitator (1), be equipped with connecting plate (21) and driving motor (22) on slide (20), connecting plate (21) are located between T type groove (19) and driving motor (22), slide (20) are through connecting plate (21) and apron (2) fixed connection, the one end and the T type groove (19) phase-match of slide (20), the other end in slide (20) is installed in driving motor (22), be equipped with on the output of driving motor (22) with rack (18) engaged with gear (23).

5. The shield tail sealing grease mixing device according to claim 4, wherein the linear driving device (16) comprises an air cylinder (24), one end of the air cylinder (24) is detachably connected with the hoisting plate (17), the other end of the air cylinder (24) is provided with a telescopic shaft (25), one end of the telescopic shaft (25) is fixedly connected with the air cylinder (24), the other end of the telescopic shaft (25) is provided with a ball bearing (26), and the telescopic shaft (25) is rotatably connected with the center of the cover plate (2) through the ball bearing (26).

6. The shield tail sealing grease mixing device according to claim 5, characterized in that the open end of the mixing barrel (1) is provided with a plurality of arc-shaped grooves which are uniformly distributed, the arc-shaped grooves are internally provided with ball bodies (27) which are matched with the arc-shaped grooves, the ball bodies (27) are in rolling connection with the arc-shaped grooves, and the open end of the mixing barrel (1) is contacted with the bottom of the groove (15) through the ball bodies (27).

7. The shield tail sealing grease stirring device according to claim 1, wherein the stirring assembly (9) comprises a cylinder (28), the end of the cylinder (28) is detachably connected with the output end of the stirring motor (8), a plurality of stirring blades (29) are arranged on the outer side wall of the cylinder (28), the plurality of stirring blades (29) are uniformly distributed along the circumferential direction of the cylinder (28), one end of each stirring blade (29) is fixedly connected with the cylinder (28) and the thickness of each stirring blade is larger than that of the other end of each stirring blade, and the width of each stirring blade (29) is equal to the shortest distance from the outer side wall of the cylinder (28) to the inner side wall of the stirring barrel (1).

8. The shield tail sealing grease mixing device according to claim 3, wherein a proximity switch (30) and a temperature sensor are arranged on the inner side wall of the mixing tank (1), one end of the mixing chute (6) is far away from the inner side wall of the mixing tank (1), the other end of the mixing chute (6) is close to the inner side wall of the mixing tank (1) and corresponds to the position of the proximity switch (30), a control panel (31) is installed on the outer side wall of the mixing tank (1), and a controller is arranged in the control panel (31).