阅读说明：本技术 一种轴套螺旋密封组件、及使用该组件的混合搅拌机 (Shaft sleeve spiral sealing assembly and mixing stirrer using same ) 是由 周建国 李国军 耿祥兵 吴林明 于 2020-07-25 设计创作，主要内容包括：本发明提供了一种轴套螺旋密封组件、及使用该组件的混合搅拌机,其中该轴套螺旋密封组件包括：外轴套,轴端密封套,螺旋轴套,其中所述外轴套套接在所述螺旋轴套外,所述轴端密封套与所述外轴套第一端连接,以限位所述螺旋轴套至少部分存于外轴套内,其中所述螺旋轴套外壁上设有螺旋叶片,所述螺旋叶片间螺旋间隔定义出料道,以向所述外轴套第二端延伸,籍此有效防止残渣滞留在密封圈内,避免物料残渣在密封圈中长时间停留摩擦发热造成结焦。(The invention provides a shaft sleeve spiral sealing assembly and a mixing stirrer using the same, wherein the shaft sleeve spiral sealing assembly comprises: outer axle sleeve, axle head seal cover, the swivel nut, wherein outer axle sleeve cup joints outside the swivel nut, the axle head seal cover with outer axle sleeve first end is connected, and is with spacing swivel nut at least part is deposited in outer axle sleeve, wherein be equipped with helical blade on the swivel nut outer wall, the material way is out to spiral interval definition between helical blade, in order to outer axle sleeve second end extends, thereby effectively prevents that the residue from being detained in the sealing washer, avoids material residue to stop the friction for a long time in the sealing washer and generates heat and cause the coking.)

1. A shaft sleeve spiral seal assembly, comprising: the spiral shaft sleeve is at least partially stored in the outer shaft sleeve in a limiting mode, spiral blades are arranged on the outer wall of the spiral shaft sleeve, and a material outlet channel is defined at spiral intervals among the spiral blades so as to extend towards the second end of the outer shaft sleeve.

2. The shaft sleeve spiral seal assembly of claim 1, wherein said shaft end seal sleeve further includes an air passage in communication with said material passage of said spiral sleeve.

3. The shaft sleeve helical seal assembly according to claim 2, wherein said shaft end seal cartridge inner ring is provided with a sealing ring disposed in a toothed arrangement for mating with said helical shaft sleeve first end, wherein said helical shaft sleeve first end is provided with a locking hole for fitting a screw and forming a stop at said shaft end seal cartridge first end.

4. The shaft sleeve spiral seal assembly of claim 2, wherein said spiral sleeve is provided with a closed ring, said closed ring forming a stop at said shaft end gland second end.

5. The shaft sleeve spiral seal assembly of claim 2, wherein said spiral sleeve has a closed ring, said closed ring having a disk shape and being disposed in correspondence with said air passage outlet to form a split flow.

6. The shaft sleeve spiral seal assembly of any one of claims 2 to 5, wherein the bottom of the throat is in the form of an arcuate trough.

7. A mixing blender, comprising: agitator tank, agitator, drive unit, the air compressor machine, its characterized in that still includes: a shaft sleeve helical seal assembly, wherein said shaft sleeve helical seal assembly comprises: the spiral shaft sleeve is sleeved outside the spiral shaft sleeve, the shaft end sealing sleeve is connected with the first end of the outer shaft sleeve to limit the spiral shaft sleeve to be at least partially stored in the outer shaft sleeve, spiral blades are arranged on the spiral shaft sleeve, a material outlet channel is defined at spiral intervals among the spiral blades, an air channel is further arranged on the shaft end sealing sleeve, an air channel outlet/inlet is respectively communicated with the material channel and the air compressor, the second end of the outer shaft sleeve is fixed at the transmission port of the stirring box, the transmission end of the stirrer is sleeved with the spiral shaft sleeve and is in transmission connection with the driving unit, and the material channel is communicated with the stirring box.

8. A hybrid mixer according to claim 6, wherein the shaft end sealing boot inner ring is provided with a sealing ring, the sealing ring is disposed in a toothed arrangement for mating with the spiral sleeve first end, wherein the spiral sleeve first end is provided with a locking hole for fitting with a screw, and a limit is formed at the shaft end sealing boot first end.

9. A mixer according to claim 6, wherein the spiral sleeve is provided with a closure ring, the closure ring defining a stop at the second end of the shaft end sealing boot.

10. A mixer/blender as claimed in any one of claims 7 to 9, wherein the base of the channel is in the form of an arcuate trough.

Technical Field

The invention relates to a sealing ring technology, in particular to a shaft sleeve spiral sealing assembly and a mixing stirrer using the same.

Background

In the conventional food/material mixing process, a stirrer or a mixer is mainly used for industrial production, for example, a stirrer for food processing is proposed in the prior art, and the stirrer for food processing is disclosed in patent No. 201911386576.5, which mainly comprises a base, a stirring cylinder and a power mechanism; a stirring mechanism is arranged in the stirring cylinder and comprises a stirring shaft and spiral stirring blades; a driving mechanism which is convenient for driving the stirring mechanism to rotate is arranged between the base and the stirring mechanism; the driving mechanism comprises an arc-shaped rack arranged on the base and a gear arranged at the right end of the stirring shaft; the mixing drum comprises a drum body and a drum cover arranged on the drum body, wherein a feeding pipe is arranged at the top of the left side of the mixing drum, and a discharging pipe is arranged at the lower part of the mixing drum.

Another example is a food processing tank mixer, patent No. 201821871229.2, which essentially comprises: the mixing device comprises a rack and a mixing tank, wherein two ends of the mixing tank are rotatably connected with two ends of the rack, and a stirring driving mechanism and a material pouring driving mechanism are arranged on the rack; a dustproof device is arranged at the position of the opening on the inner wall of the mixing tank; the dustproof device comprises a first cross rod, a second cross rod, dustproof cloth and a sliding groove; the first cross rod is fixed at one end, opposite to the material pouring side wall, in the mixing tank; the sliding grooves are positioned on the inner walls of two opposite sides of the mixing groove and are transversely arranged; two ends of the second cross rod are connected with the sliding groove in a sliding manner; one side of the dustproof cloth is connected with the first cross rod, and the other side of the dustproof cloth is connected with the second cross rod.

Although the prior art such as this kind of prior art has differences in structure, it is formed by adopting a rotating shaft stirring mode according to the principle, so according to the observation of the inventor, there is a common defect in such kind of equipment, namely when the traditional food/material processing mixing equipment is stirred and rotated, the stirring scraper/blade close to the sealing ring is easy to scrape the material residue into the rotating shaft sealing ring, thereby causing the sealing ring to be worn/damaged, if the residue contains the components of salt or sugar, the inner cavity rotating shaft is more easily coked, and the equipment is seriously damaged to influence the production. Therefore, a technique to solve this problem is desired.

Disclosure of Invention

The invention mainly aims to provide a shaft sleeve spiral sealing assembly and a mixing stirrer using the same, so that residues are prevented from being retained in a sealing ring, and an inner cavity rotating shaft is prevented from being coked.

To achieve the above object, according to one aspect of the present invention, there is provided a sleeve screw seal assembly including: the spiral shaft sleeve is at least partially stored in the outer shaft sleeve in a limiting mode, spiral blades are arranged on the outer wall of the spiral shaft sleeve, and a material outlet channel is defined at spiral intervals among the spiral blades so as to extend towards the second end of the outer shaft sleeve.

In a possible preferred embodiment, the shaft end sealing sleeve is further provided with an air passage which is communicated with the material passage of the spiral shaft sleeve.

In a possible preferred embodiment, a sealing ring is arranged on the inner ring of the shaft end sealing sleeve, the sealing ring is arranged in a toothed shape to be matched and connected with the first end of the spiral shaft sleeve, a locking hole is formed in the first end of the spiral shaft sleeve to be matched with a screw, and the first end of the shaft end sealing sleeve is limited.

In a possible preferred embodiment, the screw shaft sleeve is provided with a closing ring, and the closing ring forms a limit at the second end of the shaft end sealing sleeve

In a possible preferred embodiment, the screw shaft sleeve is provided with a closed ring, and the closed ring is in a disc shape and is arranged at the position corresponding to the air passage outlet to form a flow division.

In a possible preferred embodiment, the bottom of the material channel is arc-shaped groove-shaped.

In order to achieve the above object, according to another aspect of the present invention, there is provided a mixing blender comprising: agitator tank, agitator, drive unit, the air compressor machine still includes wherein: a shaft sleeve helical seal assembly, wherein said shaft sleeve helical seal assembly comprises: the spiral shaft sleeve is sleeved outside the spiral shaft sleeve, the shaft end sealing sleeve is connected with the first end of the outer shaft sleeve to limit the spiral shaft sleeve to be at least partially stored in the outer shaft sleeve, spiral blades are arranged on the spiral shaft sleeve, a material outlet channel is defined at spiral intervals among the spiral blades, an air channel is further arranged on the shaft end sealing sleeve, an air channel outlet/inlet is respectively communicated with the material channel and the air compressor, the second end of the outer shaft sleeve is fixed at the transmission port of the stirring box, the transmission end of the stirrer is sleeved with the spiral shaft sleeve and is in transmission connection with the driving unit, and the material channel is communicated with the stirring box.

In a possible preferred embodiment, a sealing ring is arranged on the inner ring of the shaft end sealing sleeve, the sealing ring is arranged in a toothed shape to be matched and connected with the first end of the spiral shaft sleeve, a locking hole is formed in the first end of the spiral shaft sleeve to be matched with a screw, and the first end of the shaft end sealing sleeve is limited.

In a possible preferred embodiment, the screw shaft sleeve is provided with a closing ring, which forms a stop at the second end of the shaft end sealing sleeve.

In a possible preferred embodiment, the bottom of the material channel is arc-shaped groove-shaped.

The shaft sleeve spiral sealing assembly and the mixing stirrer using the same can effectively prevent residues from being retained in the sealing ring, and avoid coking caused by long-time retention of material residues in the sealing ring due to friction and heating, so that the production stability of the mixing stirrer is improved, potential safety hazards are eliminated, and the service life of equipment is prolonged.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic, semi-sectional and perspective view of a shaft sleeve spiral seal assembly of the present invention;

FIG. 2 is a schematic view, partly in section and in perspective, of a shaft sleeve spiral seal assembly of the present invention;

FIG. 3 is a schematic view, partly in section and in perspective, of a shaft sleeve spiral seal assembly of the present invention;

FIG. 4 is a schematic view of a screw sleeve structure of the shaft sleeve screw seal assembly of the present invention;

FIG. 5 is a schematic view of the shaft end seal cartridge of the sleeve spiral seal assembly of the present invention;

FIG. 6 is a perspective view of the mixer of the present invention.

Description of the reference numerals

The device comprises a shaft sleeve spiral sealing assembly 1, an outer shaft sleeve 11, a shaft end sealing sleeve 12, a spiral shaft sleeve 13, a spiral blade 14, a material channel 15, a sealing ring 16, a locking hole 17, a screw 18, an air channel 19, a closed ring 10, a stirring box 21, a stirrer 22, a driving unit 23, an air compressor 24, a driving motor 231, a bearing support 232 and a rotating shaft 2.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "including" and "having," and any variations thereof, are intended to cover non-exclusive inclusions, and the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship that is based on the orientation or positional relationship shown in the drawings, or that is conventionally found in use of the inventive product, merely to facilitate the description and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in combination with the prior art as the case may be. It should furthermore be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. On the other hand, the embodiments and features of the embodiments of the present invention may be combined with each other without conflict, one or more of the components shown in the drawings may be necessary or unnecessary, and the relative positional relationship between the components shown in the drawings may be adjusted according to actual needs.

(A)

Referring to fig. 1 to 5, the mixing agitator with a rotating shaft stirring structure is provided to prevent residue from being retained in the sealing ring, which may cause coking of the rotating shaft in the inner cavity. The invention provides a shaft sleeve spiral sealing assembly 1, which is used for replacing a sealing ring with an existing structure in a matching way, and particularly, the shaft sleeve spiral sealing assembly 1 comprises: outer axle sleeve 11, axle head seal cover 12, spiral shaft sleeve 13, wherein outer axle sleeve 11 cup joints outside spiral shaft sleeve 13, axle head seal cover 12 with the first end of outer axle sleeve 11 is connected, in order to spacing spiral shaft sleeve 13 at least part is deposited in outer axle sleeve 11, as shown in fig. 1, this spiral shaft sleeve 13 first side has partial cover body to extend outside this axle head seal cover 12, wherein be equipped with helical blade 14 on the outer wall of spiral shaft sleeve 13, helical interval between helical blade 14 defines out material way 15, wherein this material way 15 is the heliciform, in order to outside 11 second ends of outer axle sleeve extend.

Further, in a preferred embodiment, a sealing ring 16 is further disposed on the inner ring of the shaft end sealing sleeve 12, the sealing ring 16 is disposed in a toothed or undulated manner to form a sealing effect by being matched and connected with the first end of the spiral shaft sleeve 13, wherein a locking hole 17 is disposed at the first end of the spiral shaft sleeve 13 for being adapted with a screw 18, so that the spiral shaft sleeve 13 forms a lock after being sleeved with the adapted rotating shaft 2, and a limit is formed at the first end of the shaft end sealing sleeve 12.

In addition, in order to further ensure that the residue entering the material channel 15 can be discharged, the shaft end sealing sleeve 12 is further provided with an air channel 19 which is communicated with the material channel 15 of the spiral shaft sleeve 13 so as to provide high-pressure air for an external air supply device such as an air compressor 24 to wash the material channel 15, thereby effectively preventing the residue from remaining in the material channel 15. In addition, even if the spiral shaft sleeve 13 rotates to drive the material channel 15 to spiral, the air supply of the air channel 19 is not influenced, and a better chip removal effect can be formed by the air entering the material channel 15.

In a preferred embodiment, a closed ring 10 is arranged on the spiral shaft sleeve 13, and the closed ring 10 forms a limit at the second end of the shaft end sealing sleeve 12, so that on one hand, residues in the material channel 15 can be prevented from flowing backwards, even blocking the air channel 19, and on the other hand, the closed ring and a screw 18 at the locking hole 17 can form a limit on the shaft end sealing sleeve 12, thereby forming a firm assembly structure.

In another preferred embodiment, the closed ring 10 may be a disk shape, and is disposed at the outlet of the air passage 19 to form a flow splitting for the incoming air, so that the incoming air from the air passage 19 can be split into two opposite air flows, on one hand, the residue in the material passage 15 is prevented from flowing backwards and discharging the residue, on the other hand, the foreign matter is also prevented from entering the shaft end sealing sleeve 12, thereby forming two different air resistance configurations.

In addition, in order to reduce the possibility of residue in the material channel 15 and better adapt to the airflow input by the air compressor 24 to reduce the wind resistance, in the embodiment, the bottom of the material channel 15 is in the shape of an arc groove, so that the wind resistance is reduced, and the residue-remaining dead angle of the material channel 15 is structurally reduced, so that the residue is further prevented from remaining in the material channel 15.

Therefore, the shaft sleeve spiral sealing assembly 1 provided by the invention can effectively prevent residues from being retained in the sealing ring, and avoid coking caused by friction heating of material residues in the sealing ring after long-time retention, thereby improving the production stability of the mixing stirrer, eliminating potential safety hazards and further prolonging the service life of equipment.

(II)

Referring to fig. 1 to 6, in order to achieve the above object, according to another aspect of the present invention, there is provided a mixing blender comprising: agitator tank 21, agitator 22, drive unit 23, air compressor machine 24, and axle sleeve spiral seal assembly 1, wherein axle sleeve spiral seal assembly 1 includes: the spiral shaft sleeve comprises an outer shaft sleeve 11, a shaft end sealing sleeve 12 and a spiral shaft sleeve 13, wherein the outer shaft sleeve 11 is sleeved outside the spiral shaft sleeve 13, the shaft end sealing sleeve 12 is connected with the first end of the outer shaft sleeve 11 to limit at least part of the spiral shaft sleeve 13 to be stored in the outer shaft sleeve 11, spiral blades 14 are arranged on the spiral shaft sleeve 13, a material outlet channel 15 is defined at spiral intervals among the spiral blades 14, and the material outlet channel 15 is communicated with a stirring box 21. In addition still be equipped with air flue 19 on the shaft end seal cover 12, air flue 19 play/entry respectively with material way 15 and air compressor machine 24 intercommunication, wherein outer axle sleeve 11 second end is fixed agitator 21 transmission mouth department, agitator 22 transmission end is its pivot 2, with spiral axle sleeve 13 cup joints, and with drive unit 23 transmission connection back can form the spiral stirring structure, it should explain in addition that this drive unit 23 under this implementation preferably includes: a driving motor 231 and a bearing support 232, wherein the bearing support 232 is used for supporting the rotating shaft 2 at the transmission end of the stirrer 22 at a preset position so that the spiral shaft sleeve 13 can be positioned on the same axis of the outer shaft sleeve 11.

Thereby avoiding the contact abrasion with the inner wall of the outer shaft sleeve 11 in the rotating process, and ensuring the normal spiral operation of the spiral blade 14 on the spiral shaft sleeve 13 in the running state after the rotating shaft 2 at the transmission end of the stirrer 22 passes through the bearing support 232 and is in transmission connection with the driving motor 231.

Wherein be equipped with sealing ring 16 on the shaft end seal cover 12 inner ring, sealing ring 16 is the cusp and lays to connect with spiral shaft sleeve 13 first end, it is worth mentioning that this sealing ring 16 can prevent on the one hand in the design that outside dust rubbish from getting into this outer shaft sleeve 11, and on the other hand still can prevent that the gas that air compressor machine 24 insufflates outwards from here to stabilize this air compressor machine 24 and to the defeated gas pressure in this material way 15, wherein spiral shaft sleeve 13 first end department is equipped with locking hole 17 in order to supply with screw 18 adaptation, and shaft end seal cover 12 first end department forms spacingly. In addition, a closed ring 10 is arranged on the spiral shaft sleeve 13, and the closed ring 10 forms a limit at the second end of the shaft end sealing sleeve 12.

In the working state of the mixer, the spiral shaft sleeve 13 is locked and fixed with the transmission shaft following the stirrer 22 by the screw 18 to form synchronous rotation, and the helical blades 14 can be correspondingly arranged according to the left and right positions of the transmission shaft, so that the helical feeding direction always faces to the inside of the stirring box 21, when material residues brought by the stirrer 22 enter the gap between the spiral shaft sleeve 13 and the outer shaft sleeve 11, the material channel 15 of the spiral shaft sleeve 13 can always send the material residues back to the inside of the stirring box 21 through helical rotation, and the problems of coking and the like caused by the residue at the gap between the spiral shaft sleeve 13 and the outer shaft sleeve 11 are avoided.

In addition, according to the characteristics and the process requirements of the stirred materials, sometimes when the problems of large material residue viscosity, large residue particles and the like exist, the material channel 15 is easy to be blocked or retained in the material channel 15, at the moment, the air compressor 24 can continuously or preset the interval frequency and the air pressure to blow air into the material channel 15, so that the material channel 15 is dredged, and the material residue is matched with the material channel 15 and sent back to enter the stirring box 21, so that the material residues with various properties cannot be retained in the material channel 15 for a long time to form cokes, and the operation of the equipment is stabilized.

In order to reduce the possibility of residue in the material channel 15 in the preferred embodiment and better adapt to the airflow input by the air compressor 24 to reduce the wind resistance, in the embodiment, the bottom of the material channel 15 is in the shape of an arc groove, so that the wind resistance is reduced on one hand, and on the other hand, the slag-remaining dead angle of the material channel 15 is also structurally reduced, so as to further ensure that no residue is left in the material channel 15.

In conclusion, the mixing stirrer provided by the invention can effectively prevent residues from being retained in the sealing ring, and avoid coking caused by long-time retention of material residues in the sealing ring due to friction and heating, so that the production stability of the mixing stirrer is improved, potential safety hazards are eliminated, and the service life of equipment is prolonged.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof, and any modification, equivalent replacement, or improvement made within the spirit and principle of the invention should be included in the protection scope of the invention.

It will be appreciated by those skilled in the art that, in addition to implementing the system, apparatus and various modules thereof provided by the present invention in the form of pure computer readable program code, the same procedures may be implemented entirely by logically programming method steps such that the system, apparatus and various modules thereof provided by the present invention are implemented in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system, the device and the modules thereof provided by the present invention can be considered as a hardware component, and the modules included in the system, the device and the modules thereof for implementing various programs can also be considered as structures in the hardware component; modules for performing various functions may also be considered to be both software programs for performing the methods and structures within hardware components.

In addition, all or part of the steps of the method according to the above embodiments may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a single chip, a chip, or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.