CN109046097B

CN109046097B - Vacuum stirring equipment is used in battery production convenient to get material

Info

Publication number: CN109046097B
Application number: CN201811002192.4A
Authority: CN
Inventors: 丁柳朋
Original assignee: Individual
Current assignee: Yunan Hutou Power Technology Co.,Ltd.
Priority date: 2018-08-30
Filing date: 2018-08-30
Publication date: 2021-03-12
Anticipated expiration: 2038-08-30
Also published as: CN109046097A

Abstract

The invention discloses vacuum stirring equipment for battery production, which is convenient for taking materials, and comprises a stirring box, an equipment box arranged at the top of the stirring box, a conveying pipe communicated with the stirring box and a storage box arranged on one side of the stirring box, wherein one end of the conveying pipe is arranged above the storage box; a feeding hole is formed in one side of the stirring box, and a heating block is arranged at the bottom of the stirring box; a stirring motor is arranged in the equipment box, a stirring shaft is connected to an output shaft of the stirring motor in a transmission manner, and the stirring shaft is arranged in the stirring box in a penetrating manner; the top of the stirring box is provided with a lifting platform, the conveying pipe penetrates through the lifting platform, and the side wall of the conveying pipe is provided with a movable block matched with the inner wall of the lifting platform; a mounting table is arranged on one side of the stirring box, and a driving piece for controlling the conveying pipe to do lifting motion is arranged on the mounting table; through the cooperation of elevating platform and driving piece, be convenient for collect the material, alleviate the material and collect the degree of difficulty.

Description

Vacuum stirring equipment is used in battery production convenient to get material

Technical Field

The invention belongs to the technical field of stirring equipment, and particularly relates to vacuum stirring equipment for battery production, which is convenient for taking materials.

Background

The vacuum mixer can be divided into a laboratory vacuum mixer, a chemical industry vacuum mixer, a battery fluid vacuum mixer, a solder paste discharging vacuum mixer, a food vacuum mixer and the like according to purposes. Because the battery fluid has certain viscosity, after the battery fluid is stirred in the stirrer, the battery fluid cannot be taken out of the stirrer simply under the action of gravity, and the material is usually taken out of the stirrer by means of external force.

Disclosure of Invention

The invention provides vacuum stirring equipment for battery production, which is convenient for taking materials, and aims to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a vacuum stirring device convenient for material taking for battery production comprises a stirring box, a device box arranged at the top of the stirring box, a conveying pipe communicated with the stirring box and a material storage box arranged on one side of the stirring box, wherein one end of the conveying pipe is arranged above the material storage box; a feeding hole is formed in one side of the stirring box, and a heating block is arranged at the bottom of the stirring box; a stirring motor is arranged in the equipment box, a stirring shaft is connected to an output shaft of the stirring motor in a transmission manner, and the stirring shaft is arranged in the stirring box in a penetrating manner; the top of the stirring box is provided with a lifting platform, the conveying pipe penetrates through the lifting platform, and the side wall of the conveying pipe is provided with a movable block matched with the inner wall of the lifting platform; a mounting table is arranged on one side of the stirring box, and a driving piece for controlling the conveying pipe to do lifting motion is arranged on the mounting table; through the cooperation of elevating platform and driving piece, realize the elevating movement of conveyer pipe, make the conveyer pipe accomplish the stirring at the material and handle the back and contact with the material, with the help of the conveyer pipe with the material from the agitator tank suction, be convenient for collect the material, alleviate the material and collect the degree of difficulty.

Preferably, a second movable cavity is arranged on the inner wall of the conveying pipe, the movable block is arranged in the second movable cavity, a telescopic spring is arranged at the bottom of the movable block, and the telescopic spring is arranged in the second movable cavity; the movable block is matched with the inner wall of the lifting platform to support the conveying pipe, so that the conveying pipe can be stably fixed at the top of the stirring box; the movable block can be temporarily disengaged from the inner wall of the lifting platform through the telescopic spring, so that the lifting motion of the conveying pipe can be conveniently completed.

Preferably, sliding blocks are arranged on two sides of the movable block, and a first sliding groove matched with the sliding blocks is arranged in the second movable cavity; the cooperation through slider and spout makes the movable block can be more stable move along the second activity intracavity wall, and the movable block that is convenient for retracts into the second activity intracavity and makes the conveyer pipe accomplish elevating movement.

Preferably, sealing devices are respectively arranged on two sides of the lifting platform, and each sealing device comprises an installation cavity fixedly connected to the top of the stirring box, a driving motor arranged in the installation cavity, a pushing block in transmission fit with the driving motor and a sealing assembly matched with the pushing block; after the conveying pipe forms to be connected the cooperation with the agitator tank, driving motor drive ejector pad removes, makes the ejector pad promote seal assembly and forms sealed cooperation with the conveying pipe, blocks up the junction of conveying pipe and agitator tank, avoids gaseous entering into the agitator tank from the junction of conveying pipe and agitator tank and influences the vacuum condition formation in the agitator tank.

Preferably, a third transmission groove is formed in the push block, a second thread is formed in the third transmission groove, and the output shaft of the driving motor penetrates through the third transmission groove; a first thread matched with the second thread is arranged on the output shaft of the driving motor; through the first screw thread on the driving motor output shaft mutually supporting with the second screw thread in the third transmission groove, with the pushing block along the installation cavity inner wall propelling movement forward, make the pushing block promote seal assembly and conveyer pipe and cooperate, increase the sealed effect of conveyer pipe and agitator tank junction.

Preferably, the side wall of the push block is provided with a plurality of sliding strips, and the inner wall of the installation cavity is provided with a second sliding groove matched with the sliding strips; through the cooperation of draw runner and spout, play limiting displacement to the ejector pad, avoid the ejector pad to produce rotatoryly under the drive of driving motor output shaft, make the ejector pad move along the installation cavity, more stable promotion seal assembly plays sealed effect to the junction of conveyer pipe and agitator tank.

Preferably, a nut seat is arranged at the bottom of the equipment box, the stirring shaft penetrates through the nut seat, and an external thread matched with the inner wall of the nut seat is arranged on the stirring shaft; a limiting block is arranged at the top of the stirring shaft, a first transmission groove is formed in the limiting block, a second transmission groove is formed in the stirring shaft, and an output shaft of the stirring motor penetrates through the first transmission groove and the second transmission groove; the stirring motor drives the stirring shaft to rotate, the stirring shaft rotates under the action of the stirring motor, and the stirring shaft is enabled to do lifting motion during stirring under the action of the nut seat, so that the stirring effect of the stirring shaft is improved, the upper-layer material and the lower-layer material are respectively stirred, and solid-liquid separation is prevented; play limiting displacement to the (mixing) shaft through the stopper, avoid the (mixing) shaft excessively to descend under agitator motor's effect and throw off the cooperation with agitator motor output shaft, play the guard action to the (mixing) shaft.

Preferably, the bottom of the stirring shaft is movably connected with two groups of first stirring rods which are symmetrically arranged at the bottom of the stirring shaft; the bottom of the stirring box is provided with a conical block, and the conical block is provided with an annular convex block; when the (mixing) shaft descends under the effect of nut seat, first puddler contacts with the toper piece, under the effect of toper piece, first puddler rotates round the tie point, make first puddler buckle to both sides and form conical structure, play the supporting role to first puddler through annular lug, increase the scope that first puddler is stretched, make the (mixing) shaft increase the stirring scope of (mixing) shaft through the effect of first puddler when descending to the agitator tank bottom, with this stirring effect who promotes the (mixing) shaft, prevent the solid-liquid separation phenomenon.

The invention has the following advantages: through the cooperation of elevating platform and driving piece, realize the elevating movement of conveyer pipe, make the conveyer pipe accomplish the stirring at the material and handle the back and contact with the material, with the help of the conveyer pipe with the material from the agitator tank suction, be convenient for collect the material, alleviate the material and collect the degree of difficulty.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is a schematic structural view of the sealing device of the present invention.

Fig. 4 is a cross-sectional view of a delivery tube of the present invention.

Fig. 5 is a schematic structural diagram of the lifting platform of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, 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.

As shown in fig. 1-5, a vacuum stirring apparatus for battery production, which is convenient for taking materials, comprises a stirring tank 1, an apparatus tank 2 arranged at the top of the stirring tank 1, a conveying pipe 4 communicated with the stirring tank 1, and a material storage tank 6 arranged at one side of the stirring tank 1, wherein one end of the conveying pipe 4 is arranged above the material storage tank 6; the materials after the stirring treatment in the stirring box are conveyed into a storage box through the conveying pipe, and the materials after the stirring treatment are temporarily stored through the storage box; a feeding hole 11 is formed in one side of the stirring box 1, and a heating block 12 is arranged at the bottom of the stirring box 1; the two groups of heating blocks are respectively arranged at two sides of the bottom of the stirring tank and provide proper temperature for stirring work; a stirring motor 21 is arranged in the equipment box 2, a stirring shaft 23 is connected to an output shaft 211 of the stirring motor in a transmission manner, and the stirring shaft 23 is arranged in the stirring box 1 in a penetrating manner; a second stirring rod is arranged on the part of the stirring shaft arranged in the stirring box, the second stirring rod is in a T-shaped structure, and when the stirring shaft is driven by a stirring motor to rotate, the second glue rod rotates along with the stirring shaft to stir the materials; the stirring box is provided with a through hole, the conveying pipe penetrates through the through hole, and the conveying pipe is detachably connected with the stirring box; the stirring box 1 is provided with two groups of sealing devices which are respectively arranged on two sides of the through hole and play a role in fixing the conveying pipe and sealing the joint of the conveying pipe and the stirring box; an installation platform 410 is arranged on one side of the stirring box 1, and a driving piece for driving the conveying pipe 4 to do lifting motion is arranged on the installation platform 410; the conveying pipe 4 is provided with a material sucking assembly; through the matching of the material sucking assembly on the conveying pipe and the driving piece, the conveying pipe plays a role in vacuumizing before the materials are stirred, and plays a role in taking the materials after the materials are stirred, so that the dual-purpose of one pipe is realized, and the material taking work of equipment is facilitated; the suction is provided for the conveying pipe through the suction assembly, so that the suction pipe can finish vacuumizing and material taking.

The bottom of the equipment box 2 is provided with a nut seat 22, the stirring shaft 23 penetrates through the nut seat 22, and the stirring shaft 23 is provided with an external thread matched with the inner wall of the nut seat 22; the top of the stirring shaft 23 is provided with a limit block 233, the limit block 233 is provided with a first transmission groove, the stirring shaft 23 is provided with a second transmission groove, and the stirring motor output shaft 211 penetrates through the first transmission groove and the second transmission groove; a first transmission tooth is arranged on an output shaft of the stirring motor, second transmission teeth matched with the first transmission tooth are respectively arranged in the Dul transmission grooves of the first transmission groove, the first transmission groove on the limiting block is opposite to the second transmission groove on the stirring shaft, the limiting block is fixedly connected on the stirring shaft, and the output shaft of the stirring motor is arranged in the limiting block in a penetrating way and matched with the second transmission groove on the stirring shaft; the first transmission teeth and the second transmission teeth are both of strip-shaped structures, the first transmission teeth are uniformly arranged on the output shaft of the stirring motor, and the second transmission teeth are uniformly arranged on the inner wall of the transmission groove; when the materials enter the stirring box, the stirring motor works, an output shaft of the stirring motor drives the stirring shaft to rotate, and when the stirring shaft rotates, the external thread on the surface of the stirring shaft rotates along the internal thread in the nut seat, so that the stirring shaft moves downwards along the nut seat; the stirring shaft moves up and down in the rotating process, so that the second stirring rod is used for stirring the upper-layer material and the lower-layer material in the stirring box respectively, and the stirring effect of the stirring shaft on the materials is improved; when the stirring shaft descends to a position where the limiting block is contacted with the nut seat, the stirring motor drives the output shaft of the stirring motor to rotate reversely, so that the stirring shaft does ascending motion under the action of the nut seat, the materials in the stirring box are stirred repeatedly and fully, and the layering phenomenon of the materials is prevented; corotation through agitator motor and mutually supporting of upset make the better contact collision of the material in the agitator tank, increase the stirring efficiency of agitator tank, make the material accomplish stirring work fast.

The bottom of the stirring shaft 23 is movably connected with two groups of first stirring rods 232, and the two groups of first stirring rods 232 are symmetrically arranged at the bottom of the stirring shaft 23; the bottom of the stirring box 1 is provided with a conical block 13, and the conical block 13 is provided with an annular bump 131; the movable connection is hinged, the conical block is arranged right below the stirring shaft, and the two groups of heating blocks are respectively arranged on two sides of the conical block; when the stirring shaft moves downwards under the action of the stirring motor, the first stirring rod is in contact with the conical block, the first stirring rod moves towards two sides of the stirring box around the connecting point along the surface of the conical block under the action of the inclined surface of the conical block, and after the first stirring rod moves towards the two sides of the stirring box, the annular convex block plays a supporting role on the first stirring rod, so that the first supporting rod is prevented from resetting under the action of gravity; through the mutually supporting effect of first puddler and second puddler, stir the processing to the material, promote the stirring effect to the material, make the material homoenergetic of upper and lower floor can obtain better stirring treatment effect.

The sealing device comprises a mounting cavity 31 fixedly connected to the top of the stirring box 1, a driving motor 32 arranged in the mounting cavity 31, a push block 33 in transmission fit with the driving motor 32 and a sealing assembly in fit with the push block 33; a third transmission groove is formed in the push block, a driving motor output shaft 321 penetrates through the third transmission groove, first threads 3211 are formed in the driving motor output shaft, and second threads matched with the first threads are formed in the third transmission groove; a plurality of sliding strips are arranged on the side wall of the push block, and a second sliding groove matched with the sliding strips is arranged on the inner wall of the mounting cavity; the sealing assembly comprises a first push plate 341 in contact with the push block 33, a first push rod 34 fixedly connected to the first push plate 341, and a sealing block 35 fixedly connected to one end of the first push rod 34, wherein a return spring 342 is sleeved on the first push rod 34; the first push plate can move along the inner wall of the first movable cavity; the sealing block is made of elastic material, and can be made of rubber.

When the conveying pipe is inserted into the through hole in the top of the stirring box to vacuumize the stirring box, the driving motor drives the output shaft to rotate, the pushing block is pushed to move forwards through the mutual matching of the threads, the pushing block pushes the sealing block to be close to the conveying pipe, the sealing blocks arranged on the two sides of the through hole are close to each other to form matching, and a fixing effect is formed on the conveying pipe; after the sealing block is contacted with the conveying pipe, the driving motor drives the sealing block to continuously move forward for a certain distance, so that the middle part of the sealing block is sunken to be attached to the side wall of the conveying pipe, a sealing effect is formed on the joint of the conveying pipe and the through hole, and external gas is prevented from entering the stirring box from the joint of the conveying pipe and the through hole to damage the vacuum environment in the stirring box; through the elastic material of sealed piece, the frictional force of sealed piece of increase and conveyer pipe avoids the conveying pipeline to take place the shake when transporting the material, promotes the stability of conveyer pipe transportation material.

A pipe sealing device is arranged in the conveying pipe 4, a first movable cavity 41 is arranged on the side wall of the conveying pipe 4, and an equipment box 45 is arranged on one side of the first movable cavity 41; the pipe sealing device comprises a connecting seat 42 arranged on the inner wall of the conveying pipe 4, a permanent magnet block 44 arranged in the first movable cavity 41, a sealing plate 43 arranged on one side of the permanent magnet block 44 and an electromagnetic assembly 451 arranged in the equipment box 45; the permanent magnet blocks can move along the inner wall of the first movable cavity; the electromagnetic component comprises an iron core and a coil wound on the outer side of the iron core, the coil is connected with an external power supply, the connecting seat is made of elastic materials, a connecting groove matched with the sealing plate is formed in the connecting seat, the shape of the sealing plate is opposite to that of the conveying pipe, the inner wall of one side of the first movable cavity is the side wall of the conveying pipe, and a through hole for the movement of the sealing plate is formed in the inner wall.

When the conveying pipe extracts gas in the stirring box through the material sucking device, the coil is electrified to enable the electromagnetic assembly to generate magnetic force, the electromagnetic assembly generates magnetic force repelling with the permanent magnet, the permanent magnet is pushed towards one side of the conveying pipe, and the sealing plate enters the conveying pipe through the through hole to be matched with the connecting groove; through the effect that magnetic force is repelled, make the closing plate pressed in the spread groove, make the spread groove produce certain deformation, increase the area of contact of spread groove and closing plate, make closing plate and connecting seat mutually support and form sealed effect to the transfer line, form gas exchange with the external world in avoiding the agitator tank, cooperate sealing device to guarantee the vacuum state in the agitator tank.

The top of the stirring box 1 is provided with a lifting table 5, one end of the conveying pipe 4 is arranged in the lifting table 5 in a penetrating manner, the lifting table is fixedly connected to the top of the stirring box, a cavity is formed in the lifting table, an opening is formed in one side of the cavity, the conveying pipe is arranged in the cavity, the opening is used for moving the conveying pipe, and the caliber of the opening is smaller than the diameter of the conveying pipe; a plurality of annular grooves 51 are arranged on the inner wall of the lifting platform 5, the annular grooves are uniformly arranged on the inner wall of the cavity, and the adjacent annular grooves are the same in interval; the bottom of the lifting platform 5 is provided with a through hole 52 matched with the sealing block 35, after the conveying pipe is inserted into the lifting platform, the driving motor drives the sealing block to move towards the conveying pipe, and the sealing block enters the inside of the lifting platform through the through hole 52 and contacts with the conveying pipe to play a role in fixing and sealing the conveying pipe.

The conveying cavity of one end of the conveying pipe penetrating through the lifting platform is eccentrically arranged, the side wall of the conveying pipe is internally provided with two groups of second movable cavities 430 which are symmetrically arranged on the same side of the conveying pipe; a movable block 440 is arranged in the second movable cavity 430, the top of the movable block 440 is in an arc-shaped structure, a telescopic spring 4402 is arranged at the bottom of the movable block and is fixedly connected to the bottom of the movable block, a sliding block 4401 is arranged on the side wall of the movable block, and a first sliding groove 4301 matched with the sliding block is arranged on the inner wall of the second movable cavity; the movable block can slide out of the second movable cavity along the first sliding groove, the movable block is detachably connected with the second movable cavity, and when the movable block is assembled, the sliding block is aligned with the first sliding groove and inserted into the second movable cavity, so that the telescopic spring moves to the bottom of the second movable cavity; when the conveyer pipe was packed into in the elevating platform, the movable block made its top locate the annular groove at normal condition in, played the supporting role to the movable block through the annular groove, made fixing on the elevating platform that the conveyer pipe can be stable, cooperation sealing device was fixed at the agitator tank top with the conveyer pipe is stable.

A limiting cavity 46 is formed in the bottom of the conveying pipe 4, a second push rod 47 penetrates through the limiting cavity 46, a limiting plate 471 is arranged at the top of the second push rod 47, the limiting cavity 46 is of a cylindrical structure, the limiting plate is arranged in the limiting cavity, and the limiting plate cannot be separated from the limiting cavity; the bottom of the second push rod 47 is provided with a second push plate 472; the driving pieces are two groups of air cylinders 4101 arranged on the bottom surface of the mounting table 410, the two groups of air cylinders 4101 are respectively arranged on two sides of the second push plate, and piston rods of the air cylinders 4101 are fixedly connected with the second push plate 472.

When the materials in the stirring box are stirred, the air cylinder 4101 starts to work, the piston rod is driven to extend outwards, the piston rod pushes the second push plate to move downwards, the second push plate drives the limiting plate to move downwards through the second push rod, the limiting plate drives the conveying pipe to move downwards, when the conveying pipe moves downwards, the movable block moves downwards along the annular groove, the arc-shaped surface at the top end of the movable block is contacted with the edge of the annular groove, when the movable block falls into the annular groove at the lower part from one annular groove, the movable block is retracted into the second movable cavity under the action of the telescopic spring, the movable block falls into the next annular groove from the previous annular groove, the conveying pipe is fixed through the matching of the movable block and the annular groove, and supporting force is provided for the conveying pipe; according to the material volume in the agitator tank, the range that control cylinder descends makes the conveyer pipe downstream contact with the material, through inhaling the effect of material subassembly with the material through conveyer pipe transportation to the storage case in, be convenient for collect the material in the agitator tank.

The material suction assembly comprises an air pump 49 arranged on the side wall of the conveying pipe 4 and an air storage pipe 48 sleeved on the conveying pipe 4, wherein air holes 420 are formed in the inner wall of the air storage pipe 48, the inner wall of the air storage pipe is the side wall of the conveying pipe, and the air holes are formed in the side wall of the conveying pipe; the air holes are communicated with the conveying pipe and the air storage pipe; the air holes 420 are arranged obliquely downwards; when materials just enter the stirring box, the air pump fills air into the air storage pipe, the air in the air storage pipe enters the conveying pipe through the air holes, the air flow entering the conveying pipe moves towards one direction through the inclined downward arrangement of the air holes, suction is formed in the conveying pipe, and the air flow in the stirring box is driven to enter the conveying pipe to vacuumize the stirring box; after the materials are stirred, the conveying pipe is contacted with the materials under the action of the lifting platform and the air cylinder, the air pump is used for ventilating the air storage pipe, so that suction is generated in the conveying pipe, and the materials are conveyed through the conveying pipe; the suction force is generated in the conveying pipe in a mode that the air pump forms air flow, so that impurities are prevented from being mixed in the materials when the conveying pipe conveys the materials, the traditional direct air pump suction and turbine type material suction are replaced, the influence of the materials on mechanical equipment is avoided, and the running reliability of the equipment is improved; because the inclined downward setting of bleeder vent, the material is difficult for entering in the bleeder vent, makes the bleeder vent keep conducting state, and the continuation provides suction for the conveyer pipe, prolongs the life of equipment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A vacuum stirring device convenient for material taking for battery production comprises a stirring box (1), a device box (2) arranged at the top of the stirring box (1), a conveying pipe (4) communicated with the stirring box (1) and a material storage box (6) arranged on one side of the stirring box (1), wherein one end of the conveying pipe (4) is arranged above the material storage box (6); a feeding hole (11) is formed in one side of the stirring box (1), and a heating block (12) is arranged at the bottom of the stirring box (1); a stirring motor (21) is arranged in the equipment box (2), a stirring shaft (23) is in transmission connection with an output shaft (211) of the stirring motor, and the stirring shaft (23) is arranged in the stirring box (1) in a penetrating manner; the method is characterized in that: the top of the stirring box (1) is provided with a lifting table (410), the conveying pipe (4) penetrates through the lifting table (5), and the side wall of the conveying pipe (4) is provided with a movable block (440) matched with the inner wall of the lifting table (5); an installation platform (410) is arranged on one side of the stirring box (1), and a driving piece used for controlling the conveying pipe (4) to do lifting motion is arranged on the installation platform (410);

the top of the stirring box (1) is provided with a lifting table (5), one end of the conveying pipe (4) penetrates through the lifting table (5), the lifting table (5) is fixedly connected to the top of the stirring box (1), a cavity is formed in the lifting table (5), an opening is formed in one side of the cavity, the conveying pipe (4) is arranged in the cavity, the opening is used for the conveying pipe (4) to move, and the opening caliber is smaller than the diameter of the conveying pipe (4); a plurality of annular grooves (51) are formed in the inner wall of the lifting platform (5), the annular grooves (51) are uniformly formed in the inner wall of the cavity, and the adjacent annular grooves (51) are identical in interval;

the bottom of the conveying pipe (4) is provided with a limiting cavity (46), a second push rod (47) penetrates through the limiting cavity (46), the top of the second push rod (47) is provided with a limiting plate (471), the limiting cavity (46) is of a cylindrical structure, the limiting plate (471) is arranged in the limiting cavity (46), and the limiting plate (471) cannot be separated from the limiting cavity (46); a second push plate (472) is arranged at the bottom of the second push rod (47); the driving pieces are two groups of air cylinders (4101) arranged on the bottom surface of the mounting table (410), the two groups of air cylinders (4101) are respectively arranged on two sides of the second push plate (472), and the air cylinders (4101) are fixedly connected with the second push plate (472) through piston rods;

a second movable cavity (430) is formed in the inner wall of the conveying pipe (4), the movable block (440) is arranged in the second movable cavity (430), an expansion spring (4402) is arranged at the bottom of the movable block (440), and the expansion spring (4402) is arranged in the second movable cavity (430); sliding blocks (4401) are arranged on two sides of the movable block (440), and a first sliding groove (4301) matched with the sliding blocks (4401) is arranged in the second movable cavity (430);

sealing devices are respectively arranged on two sides of the lifting platform (5), and each sealing device comprises a mounting cavity (31) fixedly connected to the top of the stirring box (1), a driving motor (32) arranged in the mounting cavity (31), a push block (33) in transmission fit with the driving motor (32) and a sealing assembly matched with the push block (33);

a third transmission groove is formed in the push block (33), a second thread is arranged in the third transmission groove, and an output shaft (321) of the driving motor penetrates through the third transmission groove; a first thread (3211) matched with the second thread is arranged on the output shaft (321) of the driving motor;

a plurality of sliding strips are arranged on the side wall of the push block (33), and a second sliding groove matched with the sliding strips is arranged on the inner wall of the mounting cavity (31);

the conveying pipe (4) is provided with a material sucking assembly; the material sucking component on the conveying pipe (4) is matched with the driving piece, so that the conveying pipe (4) plays a role in vacuumizing before the materials are stirred, and plays a role in taking materials after the materials are stirred; the material suction assembly comprises an air pump (49) arranged on the side wall of the conveying pipe (4) and an air storage pipe (48) sleeved on the conveying pipe (4), air holes (420) are formed in the inner wall of the air storage pipe (48), the inner wall of the air storage pipe is the side wall of the conveying pipe, and the air holes are formed in the side wall of the conveying pipe; the sealing device comprises a mounting cavity (31) fixedly connected to the top of the stirring box (1), a driving motor (32) arranged in the mounting cavity (31), a push block (33) in transmission fit with the driving motor (32) and a sealing assembly matched with the push block (33);

the bottom of the stirring shaft (23) is movably connected with first stirring rods (232), and the two groups of first stirring rods (232) are symmetrically arranged at the bottom of the stirring shaft (23); the bottom of the stirring box (1) is provided with a conical block (13), and the conical block (13) is provided with an annular bump (131);

a nut seat (22) is arranged at the bottom of the equipment box (2), the stirring shaft (23) is arranged in the nut seat (22) in a penetrating mode, and external threads matched with the inner wall of the nut seat (22) are arranged on the stirring shaft (23); the stirring shaft (23) top is equipped with stopper (233), be equipped with first transmission groove on stopper (233), be equipped with the second transmission groove on stirring shaft (23), agitator motor output shaft (211) wear to locate first transmission groove with in the second transmission groove.