CN213528464U

CN213528464U - Gas phase coating kettle

Info

Publication number: CN213528464U
Application number: CN202022289532.5U
Authority: CN
Inventors: 杨志静; 郑宜洋
Original assignee: SHUANGLONG GROUP CO LTD
Current assignee: SHUANGLONG GROUP CO LTD
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-25
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a gaseous phase cladding cauldron, it includes outer barrel, the inner cylinder body, the motor assembly, air feed channel and stirring group, inner cylinder body open-top, the inner chamber of cylinder body and its and the discharge opening in the clearance between the outer barrel in a plurality of intercommunications on the lateral wall, the rotation axis of motor assembly is connected in the inner cylinder body, and coincide with the axis of inner cylinder body, air feed channel communicates to the inner chamber, stirring group includes a plurality of puddlers and outer lane scraper blade, the puddler is fixed in on the apron of outer barrel, its stirring end stretches into the inner chamber, the outer lane scraper blade sets up in the clearance, its length direction is along the direction of rotation of inner cylinder body from the tilt up. The utility model provides a gaseous phase cladding cauldron directly links with the motor shaft the cylinder body that will be used for the stirring, and the bearing capacity of equipment is bigger, moves more steadily, stirs the cooperation of pole and outside scraping strip, kneads the stirring at the material, throws to clearance department from the discharge opening after and to up throw unrestrained get back to in the cylinder body again, mixes more fully, takes place to fuse with gas better, has promoted the fusion effect of material.

Description

Gas phase coating kettle

Technical Field

The utility model relates to a fuse quick-witted equipment field, in particular to gaseous phase cladding cauldron.

Background

Driven by the rapid development of the new energy vehicle industry, the lithium battery industry gradually rises, the performance requirements of the lithium battery industry become higher and higher from the initial quantification to the present quality transformation, and otherwise the lithium battery industry is rapidly eliminated. Therefore, the quality requirement in the production process of the lithium battery is strict, and the manufacturing process is more precise, so that the final high-quality product can be obtained.

The general fusion machine is in transmission connection with a driving motor, for example, a belt pulley is in connection with the driving motor, so that the bearing capacity of the fusion machine is limited, the working load is not enough, and the mixing efficiency is difficult to improve. In addition, in the initial fusion process of the raw materials, the raw materials not only relate to the mixing of solid materials, but also need to be mixed and reacted with gaseous raw materials, and the conventional fusion agent usually only has the traditional modes of coating, kneading, surface fusion between solid and gaseous materials and the like, so the fusion effect is not good enough.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the conventional gaseous phase cladding cauldron bearing capacity among the prior art is not enough in order to overcome, work efficiency is not enough, and the material fuses the defect that the effect is not good, provides a gaseous phase cladding cauldron.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

a vapor-phase coating kettle, comprising:

the mixing cylinder group comprises an outer cylinder body and an inner cylinder body coaxially arranged in the outer cylinder body, the top of the inner cylinder body is open, a plurality of discharge holes are formed in the side wall of the inner cylinder body, and the discharge holes are communicated with the inner cavity of the inner cylinder body and the gap between the inner cylinder body and the outer cylinder body;

the rotating shaft of the motor set is fixedly connected to the inner cylinder body, and the axis of the rotating shaft is superposed with the central axis of the inner cylinder body;

the gas feeding channel is communicated to the inner cavity and is used for feeding gas raw materials into the mixing cylinder group;

the stirring group comprises a plurality of stirring rods and a plurality of outer ring scrapers, the stirring rods are fixed on the cover plate of the outer cylinder body, and the stirring ends of the stirring rods extend into the inner cavity; the outer ring scraper is arranged in the gap, and the length direction of the outer ring scraper inclines from bottom to top along the rotation direction of the inner cylinder body.

In this scheme, this gaseous phase cladding cauldron will be used for bearing the weight of the raw materials and carry out the cylinder body of stirring to set directly to with the motor shaft, makes the bearing capacity of equipment directly by the motor decision, leads to bearing capacity can be bigger, and the in-process of operation also can keep steadily simultaneously. In addition, the stirring group in the cylinder body is matched with the external scraping strip through the stirring rod in the cylinder body, so that kneading and stirring can be performed in the cylinder body, materials are thrown to the gap from the discharge hole in a centrifugal mode and then are thrown upwards through the outer ring scraper blade at the gap, and the materials fall back into the cylinder body again.

Preferably, the gas phase coating kettle further comprises a supporting assembly, the supporting assembly comprises a supporting frame and a mounting base located at the top of the supporting frame, the motor set is arranged at the bottom of the mounting base, the outer cylinder is arranged at the top of the mounting base, and one end of the rotating shaft penetrates through the mounting base and is connected to the bottom center of the inner cylinder. The mixing cylinder group and the motor set are integrated through the supporting component, a complete and independent coating kettle structure is formed, the motor set is installed at the bottom of the supporting component, the rotating shaft extends upwards and is connected to the inner cylinder body located at the top to conduct transmission, and the stable effect of motor transmission is better.

Preferably, the gas-phase coating kettle further comprises a sealing device, the sealing device comprises a labyrinth seal and an airtight sleeve, the airtight sleeve is clamped between the mounting base and the rotating shaft, an annular airtight space is formed between the airtight sleeve and the rotating shaft, and the labyrinth seal is arranged at the top of the airtight space. The sealing device is used for sealing between the mounting base and the rotating shaft, so that materials are prevented from entering a gap between the mounting base and the rotating shaft, the air pressure can be formed at the position by the air-tight sleeve, the materials are prevented from entering the air-tight sleeve, and the labyrinth sealing element also plays a role in sealing.

Preferably, a bottom end of the labyrinth seal is used to seal the airtight space, and a top end of the labyrinth seal is higher than a bottom of the inner cylinder in the axial direction. Labyrinth seal not only seals airtight space still seals the clearance between outer barrel and the interior cavity, avoids the material to get into the gap between rotation axis and the mounting base from here, influences the normal use of rotation axis.

Preferably, an air pressure sealing channel is arranged on the mounting base and is communicated with the outside and the airtight space, and a sealing valve is arranged at an opening, close to the outside, of the air pressure sealing channel. The air pressure sealing channel is used for ventilating the airtight space, so that positive pressure is formed inside the airtight space and is higher than that outside the airtight space, and materials cannot enter the airtight space.

Preferably, the air supply channel is arranged in the mounting base, the air supply channel is communicated with the outside and the inner space of the outer cylinder, and an opening of the air supply channel close to the outside is provided with a sealing valve. The air supply channel is used for introducing mixed gas into the mixing cylinder group for being fused with materials.

Preferably, the rotating shaft is movably connected with the mounting base through a roller bearing. The roller bearing is connected between the two to prevent the rotational movement moment from being transmitted to the mounting base when the rotating shaft rotates, and to keep the mounting base still.

Preferably, the top surface of the mounting base forms the bottom surface of the outer cylinder, and the bottom edge of the annular side wall of the outer cylinder is fixed to the top of the mounting base and extends upwards along the direction of the axis. The top of mounting base directly forms outer barrel through the fixed setting of annular lateral wall and its bottom surface, makes outer barrel also keep stewing, can not influenced by the motor to direct formation in mounting base top, wainscot about two can not appear again, has reduced the quantity in space as far as, avoids the material to amass the seam.

Preferably, the bottom center of the inner cylinder body is provided with an opening, the top of the rotating shaft is provided with a shielding case, the base of the shielding case is clamped between the rotating shaft and the opening, and the top end of the rotating shaft is located inside the shielding case. The setting of cage is for keeping apart the rotation axis be located between the inboard tip of inner cylinder body and the inner chamber of inner cylinder body, avoids the material of inner chamber to enter into the rotation axis through the gap inside, influences the normal use of rotation axis.

Preferably, the surface of one part of the stirring end is provided with a stirring plate, the surface of the other part of the stirring end is provided with a scraper knife, and the stirring plate and the scraper knife are both close to the inner side wall of the inner cylinder. The stirring plate is used for kneading and extruding materials in the stirring inner cylinder body, and the shovel blade is used for shoveling the materials which are extruded to be stuck on the side wall of the inner cylinder body so as to disperse the materials to continuously participate in stirring.

Preferably, the cross section of the stirring plate is in a half moon shape, and the cambered surface of the half moon shape faces to the inner side wall of the inner cylinder; the cross section of the scraper knife is wedge-shaped. The shape of semilune is convenient extrudees the kneading to the material, and the shape of wedge is convenient shovels the material down from the lateral wall of inner tank body.

Preferably, the height of the stirring plate and the scraper knife in the inner cylinder is the same as the height of the side wall of the inner cylinder. The height that sets up is the same to make and stir board and spiller extend to the lateral wall to whole inner cylinder body, avoid certain department to appear the operation blind area.

Preferably, the outer ring scraper is fixed on the outer side wall of the inner cylinder, and the outer ring scraper is arranged on the side of the discharge hole opposite to the rotation direction. The outer lane scraper blade can just can act on the material after the material flows from the discharge opening to the incline direction sets up to can throw it along the trend of material motion, thereby falls back to in the interior cylinder body.

Preferably, the discharge holes are uniformly distributed on the surface of the inner cylinder body along the circumferential direction of the inner cylinder body. The discharge opening equipartition makes the space evenly distributed as far as possible between cylinder body and the outer barrel including the material, avoids certain department material to gather too much influence the effect of outer lane scraper.

Preferably, a plurality of bottom scrapers are further arranged between the bottom of the inner cylinder body and the bottom surface of the outer cylinder body, two ends of the bottom scrapers extend to two ends of the bottom of the inner cylinder body respectively, and the concave direction of the bottom scrapers is opposite to the rotating direction. The bottom scraper is used for pushing out the material in the gap between the bottom of the inner cylinder body and the bottom of the outer cylinder body, so that the material is prevented from accumulating at the gap.

Preferably, the side wall of the outer cylinder body is further provided with a discharge port, the discharge port is covered by a valve cover plate and is provided with an outwardly extending valve opening channel, the side wall of the valve opening channel is provided with a discharge channel, one end of the valve opening channel, which is far away from the discharge port, is fixed with a cylinder assembly, and the moving end of the cylinder assembly is connected to the valve cover plate. Because the material is the powder state, flows out through some less gaps easily, through opening and shutting of cylinder assembly control valve apron, the leakproofness is better.

Preferably, at least one guide rod is arranged in the valve opening channel, the guide rod penetrates through the valve cover plate and is fixed in the valve opening channel, and the extending direction of the guide rod and the stretching direction of the cylinder assembly are parallel to the axial direction of the valve opening channel. The guide rod is used for controlling the opening and closing direction of the valve cover plate.

Preferably, the side wall of the valve opening channel is further provided with a plurality of purging ports, the purging ports face the discharge channel, and the purging ports are used for blowing air into the valve opening channel. The blowing opening blows air into the valve opening channel, the problem that materials in the discharging channel are stuck to the wall can be solved, and blown air can be protective gas or directly mixed gas raw materials, so that the components of the materials are not influenced.

Preferably, a heat-insulating shell is arranged around the outer part of the outer cylinder, and a feeding channel of the gas-phase coating kettle penetrates through the heat-insulating shell and the cover plate and is communicated to an inner cavity of the outer cylinder.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in:

the utility model provides a gaseous phase cladding cauldron will be used for bearing the weight of the raw materials and carry out the cylinder body setting of stirring directly link with the motor shaft, makes the bearing capacity of equipment directly by the motor decision, leads to bearing capacity can be bigger, and the in-process of operation simultaneously also can keep steadily. In addition, the stirring group in the cylinder body is matched with the external scraping strip through the stirring rod in the cylinder body, so that kneading and stirring can be performed in the cylinder body, materials are thrown to the gap from the discharge hole in a centrifugal mode and then are thrown upwards through the outer ring scraper blade at the gap, and the materials fall back into the cylinder body again.

Drawings

Fig. 1 is a schematic structural view of a gas-phase coating kettle according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of an inner cylinder of a vapor-phase coating kettle according to a preferred embodiment of the present invention.

Fig. 3 is a schematic bottom structure view of the inner cylinder of the vapor-phase coating kettle according to the preferred embodiment of the present invention.

Fig. 4 is a schematic axial sectional view of the interior of the inner cylinder of the vapor-phase coating still according to the preferred embodiment of the present invention.

FIG. 5 is a schematic cross-sectional view of the interior of the inner cylinder of the vapor-phase coating reactor according to the preferred embodiment of the present invention.

Fig. 6 is a partial structural view of a portion a in fig. 1.

Fig. 7 is a schematic structural view of a discharge outlet of a gas phase coating kettle according to a preferred embodiment of the present invention.

Description of reference numerals:

mixing cylinder group 1

Outer barrel 11

Discharge opening 111

Valve cover plate 112

Inner cylinder body 12

Discharge hole 12a

Feed channel 13

Motor group 2

Rotating shaft 21

Stirring rod 31

Stirring plate 31a

Scraper knife 31b

Outer ring scraper 32

Bottom scraper 33

Supporting frame 41

Mounting base 42

Air feed channel 42a

Valve opening passage 51

Discharge passage 52

Cylinder assembly 53

Guide rod 54

Purge port 55

Labyrinth seal 61

Gas-tight sleeve 62

Pneumatic sealing channel 63

Roller bearing 7

Isolation cover 8

Thermal insulation shell 9

Detailed Description

The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, which are not intended to limit the scope of the invention as described herein.

As shown in fig. 1 to 7, the present embodiment provides a vapor coating kettle, which comprises a mixing cylinder set 1, a motor set 2, an air feed channel 42a and a stirring set. The mixing cylinder group 1 comprises an outer cylinder body 11 and an inner cylinder body 12 coaxially arranged in the outer cylinder body 11, the top of the inner cylinder body 12 is open, a plurality of discharge holes 12a are formed in the side wall of the inner cylinder body 12, and the discharge holes 12a are communicated with the inner cavity of the inner cylinder body 12 and the gap between the inner cylinder body 12 and the outer cylinder body 11; a rotating shaft 21 of the motor set 2 is fixedly connected to the inner cylinder body 12, and the axis of the rotating shaft 21 is superposed with the central axis of the inner cylinder body 12; the air feed channel 42a is communicated with the inner cavity and is used for feeding gas raw materials into the mixing cylinder group 1; the stirring group comprises a plurality of stirring rods 31 and a plurality of outer ring scrapers 32, the stirring rods 31 are fixed on the cover plate of the outer cylinder body 11, and the stirring ends of the stirring rods 31 extend into the inner cavity; the outer ring scraper 32 is disposed in the gap, and the longitudinal direction of the outer ring scraper 32 is inclined from bottom to top in the rotation direction of the inner cylinder 12.

This gaseous phase cladding cauldron will be used for bearing the weight of the raw materials and carry out the cylinder body of stirring and set to directly link with the motor shaft, makes the bearing capacity of equipment directly decide by the motor, leads to bearing capacity can be bigger, and the in-process of operation also can keep steadily simultaneously. In addition, the stirring group in the cylinder body is matched with the external scraping strip through the stirring rod 31 in the cylinder body, so that kneading and stirring can be performed in the cylinder body, materials are thrown to the gap from the discharge hole 12a in a centrifugal mode and then are thrown upwards through the outer ring scraper 32, and then fall back into the cylinder body.

In this embodiment, the inner wall surface of the mixing cylinder group 1 adopts the process of sticking ceramic plates, and the rotating parts adopt spraying isolation wear-resistant materials, so that the surface inside the equipment is ensured to be as smooth as possible, and other metal foreign matters cannot be mixed in, thereby ensuring the yield and the quality. Of course, in other embodiments, other methods may be used to achieve the above-mentioned effects, such as setting the inner wall surfaces to be wear-resistant materials.

Further, the center of the bottom of the inner cylinder 12 has an opening, the top of the rotating shaft 21 is provided with a shielding cover 8, the base of the shielding cover 8 is sandwiched between the rotating shaft 21 and the opening, and the top end of the rotating shaft 21 is located inside the shielding cover 8. The isolation cover 8 is provided to isolate the end of the rotating shaft 21 located inside the inner cylinder 12 from the inner cavity of the inner cylinder 12, so as to prevent the material in the inner cavity from entering the rotating shaft 21 through the gap and affecting the normal use of the rotating shaft 21.

Preferably, as shown in fig. 2, the discharge holes 12a are uniformly distributed on the surface of the inner cylinder 12 along the circumferential direction of the inner cylinder 12, so that the material can be uniformly distributed in the gap between the inner cylinder 12 and the outer cylinder 11 as much as possible, and the effect of the outer ring scraper is prevented from being influenced by too much material accumulation at a certain position. In the present embodiment, the discharge holes 12a are provided in three groups evenly distributed in the circumferential direction, and the shape of the discharge holes 12a is provided as a waisted hole whose length direction is in the vertical direction. However, in other embodiments, the oval holes are not limited to the above arrangement, and the oval holes may be arranged in a manner that the length direction thereof is close to the height direction of the side wall of the inner cylinder 12, or may be arranged in other manners such as at least two smaller oval holes arranged in the vertical direction, that is, the oval holes may be arranged in different sizes, shapes or arrangement manners according to actual needs. As shown in fig. 3, the outer ring scraper 32 is fixed to the outer side wall of the inner cylinder 12, and the outer ring scraper 32 is provided on the side of the discharge hole 12a opposite to the rotation direction. The outer ring scraper 32 can act on the material after it has flowed out of the discharge opening 12a and is inclined in such a way that it can be thrown up along the tendency of the material to move and thus fall back into the inner cylinder 12.

In addition, as shown in fig. 4-5, one end of the stirring rod 31 is located inside the inner cylinder 12, wherein a part of the surface of the stirring end is provided with a stirring plate 31a, and the other part of the surface of the stirring end is provided with a scraper 31b, and both the stirring plate 31a and the scraper 31b are close to the inner side wall of the inner cylinder 12. The stirring plate 31a is used for kneading and extruding the material in the stirring inner cylinder 12, the shovel blade 31b is used for shoveling the material extruded to the side wall of the inner cylinder 12 so as to fully disperse the material and continue to participate in stirring, and the stirring rod 31 is in a static state relative to the outer cylinder 11 and in a rotating state relative to the rotating inner cylinder 12. In the present embodiment, the number of the stirring rods 31 is 4, and the stirring rods 31 provided with the stirring plates 31a and the shoveling blades 31b are respectively provided in two and alternately arranged, and are uniformly distributed along the circumferential direction of the inner cylinder 12. Of course, in other embodiments, other numbers of stirring rods 31 may be provided, or other arrangements of stirring ends may be used. Preferably, the height of the agitating plate 31a and the blade 31b inside the inner cylinder 12 is the same as the height of the side wall of the inner cylinder 12. The height of the stirring plate 31a and the scraper knife 31b is the same, so that the stirring plate 31a and the scraper knife 31b extend to the side wall of the whole inner cylinder body 12, and a dead zone in operation is avoided at a certain position. The stirring and shoveling blades 31b and the inner wall surface of the inner cylinder 12 are controlled to have a gap as small as possible, in the present embodiment, between 1mm and 2mm, to reduce a stirring blind area as much as possible. Moreover, the stirring plate 31a and the shovel blade 31b are both mounted on the bottom of the stirring rod 31 by means of bolt fastening, and in other embodiments, the stirring plate 31a and the shovel blade 31b may be mounted by other means.

Further, the cross-sectional shape of the paddle 31a is a half moon, and the arc surface of the half moon faces the inner side wall of the inner cylinder 12; the cross-sectional shape of the blade 31b is wedge-shaped. The shape of the half moon is convenient for extruding and kneading the materials, and the shape of the wedge is convenient for shoveling the materials from the side wall of the inner cylinder body 12.

The gas-phase coating kettle further comprises a supporting assembly, the supporting assembly comprises a supporting frame 41 and a mounting base 42 located at the top of the supporting frame 41, the motor set 2 is arranged at the bottom of the mounting base 42, the outer cylinder 11 is arranged at the top of the mounting base 42, and one end of the rotating shaft 21 penetrates through the mounting base 42 and is connected to the bottom center of the inner cylinder 12. It is integrated to organize 1 and motor group 2 to mix the jar through supporting component, the structure is compacter, thereby form complete independent cladding cauldron structure, motor group 2 is installed in supporting component's bottom, upwards extend rotation axis 21 and be connected to the interior cylinder body 12 that is located the top and carry out the transmission, the concentricity when guaranteeing high-speed rotation better, it is also better to make motor drive's stable effect, and whole motor group 2 is hidden in supporting component's bottom, the outward appearance is neater and more beautiful. The rotary shaft 21 and the mounting base 42 are movably connected by the roller bearing 7, so that the mounting base 42 is kept stationary so as not to transmit a rotational movement moment to the mounting base 42 when the rotary shaft 21 rotates. In this embodiment double row tapered roller bearings are preferably used, in other embodiments other types of roller bearings 7 may be selected.

The top surface of the mounting base 42 forms the bottom surface of the outer cylinder 11, and the bottom edge of the annular side wall of the outer cylinder 11 is fixed to the top of the mounting base 42 and extends upward in the axial direction. The top of mounting base 42 directly forms outer barrel 11 through the fixed setting of annular lateral wall and its bottom surface, makes outer barrel 11 also keep stewing, can not influenced by the motor to direct formation in mounting base 42 top, two wainscots can not appear again, have reduced the quantity in space as far as, avoid the long-pending seam of material. Further, an air feed passage 42a of the gas phase coating reactor is provided in the mounting base 42, the air feed passage 42a communicates the outside with the internal space of the outer cylinder 11, and an opening of the air feed passage 42a near the outside has a seal valve. The gas supply channel 42a is used for introducing protective gas for mixing into the mixing cylinder group 1 to promote the materials to be fused, so that the performance of the materials is more excellent.

In addition, a plurality of bottom scrapers 33 are further arranged between the bottom of the inner cylinder 12 and the bottom surface of the outer cylinder 11, two ends of the bottom scrapers 33 respectively extend to two ends of the bottom of the inner cylinder 12, and the inward concave direction of the bottom scrapers 33 is opposite to the rotating direction. The bottom scraper 33 is used to push the material in the gap between the bottom of the inner cylinder 12 and the bottom of the outer cylinder 11 out by the action of high-speed centrifugal force, and continue to participate in kneading, throwing and dispersing movements, so as to avoid the material accumulating therein.

As shown in fig. 6, the gas phase coating still further includes a sealing device, the sealing device includes a labyrinth seal 61 and a gas seal 62, the gas seal 62 is interposed between the mounting base 42 and the rotating shaft 21, an annular gas-tight space is formed between the gas seal 62 and the rotating shaft 21, and the labyrinth seal 61 is disposed at the top of the gas-tight space. The sealing device is used for sealing between the mounting base 42 and the rotating shaft 21, so that materials are prevented from entering a gap between the mounting base 42 and the rotating shaft 21, air pressure can be formed at the position by the air sealing sleeve 62, the materials are further prevented from entering, and the labyrinth sealing piece 61 also plays a sealing role.

The bottom end of the labyrinth seal 61 is used to seal the airtight space, and the top end of the labyrinth seal 61 is higher in height in the axial direction than the bottom of the inner cylinder 12. The labyrinth seal 61 not only seals the airtight space, but also seals the gap between the outer cylinder 11 and the inner cavity, so as to prevent the material from entering the gap between the rotating shaft 21 and the mounting base 42 from the gap and affecting the normal use of the rotating shaft 21. In this embodiment, the labyrinth seal 61 is made of copper, and the friction system at the joint with the inner cylinder 12 is low, and a good sealing effect is ensured. Further, an air pressure sealing channel 63 is arranged on the mounting base 42, the air pressure sealing channel 63 is communicated with the outside and the airtight space, and a sealing valve is arranged at an opening of the air pressure sealing channel 63 close to the outside. The air pressure sealing passage 63 is used to introduce air into the airtight space, so that positive pressure is formed inside the airtight space compared with the outside, and thus, the material cannot enter the airtight space.

As shown in fig. 7, a discharge opening 111 is further provided on the side wall of the outer cylinder 11, a valve cover plate 112 is provided at the discharge opening 111, and an outwardly extending valve opening channel 51 is provided, the side wall of the valve opening channel 51 is provided with a discharge channel 52, an air cylinder assembly 53 is fixed at one end of the valve opening channel 51 far away from the discharge opening 111, and a moving end of the air cylinder assembly 53 is connected to the valve cover plate 112. Because the material is in a powder state, the material can easily flow out through a plurality of small gaps, and the opening and closing of the valve cover plate 112 are controlled by the air cylinder assembly 53, so that the sealing performance is better. In the present embodiment, the valve opening passage 51 is flange-connected to the discharge port 111 of the outer cylinder 11. The flange connection mode is convenient to detach, so that later maintenance and repair can be conveniently carried out.

At least one guide rod 54 is arranged in the valve opening channel 51, the guide rod 54 is arranged on the valve cover plate 112 in a penetrating mode and fixed in the valve opening channel 51, and the extending direction of the guide rod 54 and the extending and retracting direction of the cylinder assembly 53 are parallel to the axial direction of the valve opening channel 51. The guide rod 54 is used to control the opening and closing direction of the valve cover 112. In the present embodiment, two guide rods 54 are arranged along a radial direction of the valve-opening passage 51 for controlling the opening and closing of the valve cover 112, but in other embodiments, the guide rods 54 may be arranged in other numbers or positions.

The side wall of the valve opening channel 51 is further provided with a plurality of purge ports 55, the purge ports 55 face the discharge channel 52, and the purge ports 55 are used for blowing air into the valve opening channel 51. The blowing port 55 blows air into the valve opening channel 51, so that the problem of wall sticking of the materials in the discharge channel 52 can be solved, and the blown air can be protective gas or directly mixed gas raw materials, so that the components of the materials are not influenced.

The outer part of the outer cylinder body 11 is also surrounded with a heat insulation shell 9, and a feeding channel 13 of the gas phase coating kettle penetrates through the heat insulation shell 9 and the cover plate and is communicated to the inner cavity of the outer cylinder body 11. In addition, the mixing cylinder group 1 can be heated outside the outer cylinder 11 through a jacket (not shown in the figure), so that the heating temperature of the materials reaches the specified requirement, and the jacket is continuously heated outside to dry the materials, thereby effectively ensuring that the battery materials obtain a better drying effect and avoiding the materials from being scrapped due to the fact that the battery materials become damp due to the influence of the environmental humidity. On this basis, the heat preservation can ensure that the temperature in mixing jar group 1 keeps in effective numerical value to guarantee and improve the quality of product.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A gas phase coating kettle, comprising:

2. The gas-phase coating kettle of claim 1, further comprising a support assembly, wherein the support assembly comprises a support frame and a mounting base located at the top of the support frame, the motor set is disposed at the bottom of the mounting base, the outer cylinder is disposed at the top of the mounting base, and one end of the rotating shaft penetrates through the mounting base and is connected to the bottom center of the inner cylinder.

3. The gas-phase coating kettle of claim 2, further comprising a sealing device, wherein the sealing device comprises a labyrinth seal and a gas-tight sleeve, the gas-tight sleeve is sandwiched between the mounting base and the rotating shaft, an annular gas-tight space is formed between the gas-tight sleeve and the rotating shaft, and the labyrinth seal is arranged at the top of the gas-tight space.

4. The gas-phase coating still according to claim 3, wherein a bottom end of said labyrinth seal is used for sealing said airtight space, and a top end of said labyrinth seal is higher than a bottom of said inner cylinder in height in a direction of said axis.

5. The gas-phase coating kettle of claim 4, wherein the mounting base is provided with a gas pressure sealing passage, the gas pressure sealing passage is communicated with the outside and the airtight space, and an opening of the gas pressure sealing passage close to the outside is provided with a sealing valve.

6. The gas-phase coating kettle of claim 4, wherein the gas channel is disposed in the mounting base, the gas channel connects the outside with the inner space of the outer cylinder, and the opening of the gas channel near the outside is provided with a sealing valve.

7. The vapor-phase coating kettle of claim 2, wherein the rotating shaft is movably connected to the mounting base by a roller bearing.

8. The vapor-phase coating kettle of claim 2, wherein the top surface of the mounting base forms the bottom surface of the outer cylinder, and the bottom edge of the annular side wall of the outer cylinder is fixed to the top of the mounting base and extends upward in the direction of the axis.

9. The vapor-phase coating still according to claim 2, wherein the inner cylinder has an opening at the bottom center thereof, the rotary shaft has a shielding case at the top thereof, the base of the shielding case is sandwiched between the rotary shaft and the opening, and the top end of the rotary shaft is located inside the shielding case.

10. The gas-phase coating kettle of claim 1, wherein a stirring plate is disposed on a surface of one part of the stirring end, and a scraper is disposed on a surface of the other part of the stirring end, and the stirring plate and the scraper are both close to the inner side wall of the inner cylinder.

11. The vapor-phase coating still of claim 10, wherein the cross-sectional shape of said paddle is a half-moon, the curved surface of said half-moon facing the inner sidewall of said inner cylinder; the cross section of the scraper knife is wedge-shaped.

12. The gas-phase coating still of claim 10, wherein the height of the stirring plate and the scraper blade in the inner cylinder is the same as the height of the side wall of the inner cylinder.

13. The gas-phase coating kettle of claim 1, wherein the outer ring scraper is fixed on the outer side wall of the inner cylinder, and the outer ring scraper is arranged on the side of the discharge hole opposite to the rotating direction.

14. The gas-phase coating kettle of claim 1, wherein the discharge holes are uniformly distributed on the surface of the inner cylinder along the circumferential direction of the inner cylinder.

15. The gas-phase coating kettle of claim 1, wherein a plurality of bottom scrapers are further arranged between the bottom of the inner cylinder and the bottom surface of the outer cylinder, two ends of the bottom scrapers extend to two ends of the bottom of the inner cylinder respectively, and the concave direction of the bottom scrapers is opposite to the rotating direction.

16. The gas-phase coating kettle of claim 1, wherein a discharge port is further formed on the side wall of the outer cylinder, the discharge port is covered by a valve cover plate, and an outwardly extending valve opening channel is formed on the side wall of the valve opening channel, a cylinder assembly is fixed to one end of the valve opening channel far away from the discharge port, and a moving end of the cylinder assembly is connected to the valve cover plate.

17. The gas-phase coating kettle of claim 16, wherein at least one guide rod is disposed in the valve opening passage, the guide rod is disposed on the valve cover plate and fixed in the valve opening passage, and the extending direction of the guide rod and the extending direction of the cylinder assembly are parallel to the axial direction of the valve opening passage.

18. The gas-phase coating kettle of claim 16, wherein a plurality of purge ports are further provided on the side wall of said valve-opening channel, said purge ports are directed toward said discharge channel, and said purge ports are used for blowing gas into said valve-opening channel.

19. The gas-phase coating kettle of claim 1, wherein the outer cylinder is surrounded by a heat-insulating casing, and the feed channel of the gas-phase coating kettle passes through the heat-insulating casing and the cover plate and is communicated to the inner cavity of the outer cylinder.