CN112058113B - Clean stirring paddle - Google Patents
Clean stirring paddle Download PDFInfo
- Publication number
- CN112058113B CN112058113B CN202011084191.6A CN202011084191A CN112058113B CN 112058113 B CN112058113 B CN 112058113B CN 202011084191 A CN202011084191 A CN 202011084191A CN 112058113 B CN112058113 B CN 112058113B
- Authority
- CN
- China
- Prior art keywords
- locking piece
- annular
- fixed seat
- sealing ring
- stirring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003756 stirring Methods 0.000 title claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 10
- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a clean stirring paddle which comprises a stirring shaft, wherein a fixed seat and a protective shell are arranged on the outer side of the stirring shaft, paddles are supported on the outer side of the fixed seat through a plurality of fixed plates, a first sealing groove is formed in the inner wall of a central through hole of the fixed seat, a first sealing ring is installed in the first sealing groove, a second sealing groove is formed in the inner wall of the central through hole of the protective shell, a second sealing ring is installed in the second sealing groove, a third sealing groove is formed at the outer end of a butt joint surface between the fixed seat and the protective shell, a third sealing ring is installed at the third sealing groove, the fixed seat extends upwards to form an annular bump, an annular cover plate is arranged on the inner wall of the protective shell, an annular pressing plate is abutted to the upper side of a locking piece, and the annular pressing plate is fixedly connected with the fixed seat through a locking screw. The invention can effectively prevent materials from entering the gap between the shaft sleeve and the shaft, and the materials are isolated outside the gap by the sealing ring, so that no dead angle is ensured when the stirring paddle is cleaned and sterilized.
Description
Technical Field
The invention relates to the technical field of stirring equipment, in particular to a clean stirring paddle.
Background
In recent years, clean paddles have been widely used in many applications to achieve momentum transfer, heat transfer, mass transfer, and reaction processes. The stirring system adopts a stirring motor to drive a stirring shaft, and drives the stirring shaft and a stirring paddle to synchronously rotate.
The traditional stirring paddles are mainly fixed on the stirring shaft by the following four methods:
1) Welding method: the manufacturing is convenient, but the strength is not great, the disassembly is difficult, and the container is commonly used in containers with small diameters.
2) Screw connection method: the screw fixes the blade on the shaft with a spacer in between. When the shaft is circular, the blades are mainly rotated by friction force between the blades and the shaft, so that the assembly and disassembly are convenient, but when the power is high, the sliding is easy to generate, so that the device is only suitable for occasions with low power.
3) The square shaft and the screw are connected, so that the sliding of the blade and the shaft is overcome, but the square shaft is inconvenient to process, and the blade and the shaft are also troublesome to connect.
4) The key fixing method comprises the following steps: the blade is welded on the shaft sleeve, and the shaft sleeve and the shaft are fixed by a pin through a key, so that the defects can be overcome, and the blade is widely used. However, a certain gap is reserved between the shaft sleeve and the shaft in the method, and materials are always accumulated in the gap after long-time use, so that dead angles are reserved for cleaning and sterilizing.
All four methods have disadvantages, and therefore, optimization improvement is required.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a clean stirring paddle.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
The utility model provides a clean formula stirring rake, includes the (mixing) shaft, the outside of (mixing) shaft is equipped with fixing base and protective housing, the outside of fixing base is supported through a plurality of fixed plates and is had the paddle, the inside first seal groove that has seted up of central through-hole inner wall of fixing base, install first sealing washer in the first seal groove, the inside second seal groove that has seted up of central through-hole inner wall of protective housing, install the second sealing washer in the second seal groove, the butt joint face outer end between fixing base, the protective housing is equipped with the third seal groove, and third seal groove department installs the third sealing washer, the fixing base is located the inside of third sealing washer and upwards extends to be formed with annular lug, and leaves the space that is used for installing the retaining member between annular lug and the (mixing) shaft, the inner wall of protective housing is equipped with the annular apron that can support annular lug, the upside butt joint of retaining member has the annular clamp plate that carries out spacing to it, annular clamp plate is located the periphery of (mixing) shaft and links firmly with the annular lug of fixing base through a plurality of locking screws.
Furthermore, in the clean stirring paddle, the first sealing ring, the second sealing ring and the third sealing ring are all O-shaped rings.
Further, in the clean stirring paddle, the annular protruding block is provided with a threaded hole matched with the locking screw.
Further, in the clean stirring paddle, the annular pressing plate and the annular cover plate are respectively provided with perforations matched with the locking screws, and the positions of the perforations and the threaded holes are in one-to-one correspondence.
Further, in the clean stirring paddle, the locking piece is composed of a first locking piece and a second locking piece in a combined mode, the first locking piece is of a frustum-shaped structure with a wide upper part and a narrow lower part, the second locking piece is of a T-shaped structure with a wide upper part and a narrow lower part, and through holes matched with the stirring shaft are formed in the first locking piece and the second locking piece respectively.
Further, in the clean stirring paddle, the first locking piece and the second locking piece are respectively positioned on the inner wall of the through hole and are uniformly provided with a plurality of grooves, and the cross section of each groove is an isosceles triangle with the tip outwards.
Further, in the above clean stirring paddle, the first locking member and the second locking member are each rubber members made of rubber material.
Further, in the clean stirring paddle, the space between the annular cover plate and the annular pressing plate is adjusted through the locking screw, so that the friction resistance between the locking piece and the stirring shaft is adjusted, and the fixing base utilizes the friction resistance between the locking piece and the stirring shaft to adjust and fix the position of the fixing base on the stirring shaft.
The beneficial effects of the invention are as follows:
1. the sealing structure is scientific and reasonable in design, the sealing rings are arranged between the fixing seat and the stirring shaft and between the fixing seat and the protecting shell, and the sealing rings are also arranged at the butt joint positions between the fixing seat and the protecting shell, so that materials can be effectively prevented from entering a gap between the shaft sleeve and the shaft, the materials are isolated outside the gap by the sealing rings, and no dead angle is ensured when the stirring paddles are cleaned and sterilized.
2. The locking piece is scientific and reasonable in structural design, and the horn-shaped tightening sleeve is adopted to convert axial force into radial force, so that the stirring paddle is fixed on the stirring shaft; the tightening sleeve has good tightening effect, is not easy to slide, and can be suitable for high-power stirring.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the protective shell of the present invention;
FIG. 3 is an enlarged schematic view of a partial structure at A in FIG. 1;
FIG. 4 is a schematic view showing the composition of the locking member of the present invention;
FIG. 5 is a schematic bottom view of the locking member of the present invention;
in the drawings, the reference numerals of the components are as follows:
1-stirring shaft, 2-fixing seat, 3-protective housing, 4-fixed plate, 5-paddle, 6-first sealing ring, 7-second sealing ring, 8-third sealing ring, 9-operation area, 10-locking piece, 101-first locking piece, 102-second locking piece, 103-fluting, 11-annular clamp plate, 12-locking screw, 13-annular lug, 14-annular apron.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present embodiment is a clean stirring paddle, which includes a stirring shaft 1, a fixing base 2 and a protective shell 3 are disposed on the outer side of the stirring shaft 1, and paddles 5 are supported on the outer side of the fixing base 2 through a plurality of fixing plates 4. The inner wall of the central through hole of the fixing seat 2 is internally provided with a first sealing groove, and a first sealing ring 6 is arranged in the first sealing groove. The inner wall of the central through hole of the protective shell 3 is internally provided with a second sealing groove, and a second sealing ring 7 is arranged in the second sealing groove. The outer end of the butt joint surface between the fixing seat 2 and the protective shell 3 is provided with a third sealing groove, and a third sealing ring 8 is arranged at the third sealing groove. The fixing seat 2 is located in the third sealing ring 8 and extends upwards to form an annular protruding block 13, and a space for installing the locking piece 10 is reserved between the annular protruding block 13 and the stirring shaft 1.
In this embodiment, the inner wall of the protective housing 3 is provided with an annular cover plate 14 capable of supporting the annular projection 13, and the upper side of the locking member 10 is supported by an annular pressing plate 11 for limiting the locking member. The annular pressing plate 11 is positioned at the periphery of the stirring shaft 1 and is fixedly connected with an annular protruding block 13 of the fixed seat through a plurality of locking screws 12, and the space above the annular pressing plate 11 is used as an operation area 9 for screwing the locking screws. The annular projection 13 is provided with a threaded hole which is matched with the locking screw 12. The annular pressing plate 11 and the annular cover plate 14 are respectively provided with perforations matched with the locking screws 12, and the positions of the perforations and the threaded holes are in one-to-one correspondence.
In this embodiment, the first sealing ring 6, the second sealing ring 7 and the third sealing ring 8 are all O-rings.
In this embodiment, the locking member 10 is formed by combining a first locking member 101 and a second locking member 102, where the first locking member 101 is a frustum-shaped structure with a wider upper part and a narrower lower part, and the second locking member 102 is a T-shaped structure with a wider upper part and a narrower lower part, and through holes matched with the stirring shaft 1 are formed in the first locking member 101 and the second locking member 102 respectively. The inner walls of the first locking piece 101 and the second locking piece 102, which are respectively positioned in the through holes, are uniformly provided with a plurality of grooves 103, and the cross sections of the grooves 103 are isosceles triangles with pointed ends facing outwards. The first locking member 101 and the second locking member 102 are each rubber members made of rubber material, and can be deformed after being pressed.
In this embodiment, the space between the annular cover plate 14 and the annular pressing plate 11 is adjusted by the locking screw 12, so as to adjust the friction resistance between the locking member 10 and the stirring shaft 1, and the fixing seat 2 uses the friction resistance between the locking member 10 and the stirring shaft 1 to adjust and fix the position of the stirring shaft 1.
One specific application of this embodiment is: the sealing structure of this embodiment designs scientific and reasonable, is equipped with the sealing washer between fixing base 2 and the protective housing 3 each and (mixing) shaft 1, and the butt joint department between fixing base 2 and the protective housing 3 also is equipped with the sealing washer, can prevent effectively that the material from getting into the clearance between axle sleeve and the axle, and the material is kept apart outside the clearance by the sealing washer, has guaranteed no dead angle when wasing the sterilization to the stirring rake. The locking piece 10 of the embodiment has scientific and reasonable structural design, adopts a horn-shaped tightening sleeve to convert axial force into radial force, and ensures that the stirring paddle is fixed on the stirring shaft; the tightening sleeve has good tightening effect, is not easy to slide, and can be suitable for high-power stirring.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form 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 understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The utility model provides a clean formula stirring rake, includes (mixing) shaft, its characterized in that: the stirring device comprises a stirring shaft, a fixed seat and a protective shell, wherein the outer side of the stirring shaft is provided with the fixed seat and the protective shell, the outer side of the fixed seat is supported with paddles through a plurality of fixed plates, a first sealing groove is inwards formed in the inner wall of a central through hole of the fixed seat, a first sealing ring is installed in the first sealing groove, a second sealing groove is inwards formed in the inner wall of the central through hole of the protective shell, a second sealing ring is installed in the second sealing groove, a third sealing groove is formed at the outer end of a butt joint surface between the fixed seat and the protective shell, a third sealing ring is installed at the third sealing groove, the fixed seat is positioned in the third sealing ring and extends upwards to form an annular convex block, a space for installing a locking piece is reserved between the annular convex block and the stirring shaft, an annular cover plate capable of propping against the annular convex block is arranged on the inner wall of the protective shell, an annular pressing plate for limiting the locking piece is propped against the upper side of the locking piece, and the periphery of the annular pressing plate on the stirring shaft is fixedly connected with the annular convex block of the fixed seat through a plurality of locking screws;
The locking piece is composed of a first locking piece and a second locking piece in a combined mode, the first locking piece is of a frustum-shaped structure with a wide upper part and a narrow lower part, the second locking piece is of a T-shaped structure with a wide upper part and a narrow lower part, and through holes matched with the stirring shaft are formed in the first locking piece and the second locking piece respectively;
the inner walls of the first locking piece and the second locking piece, which are respectively positioned in the through holes, are uniformly provided with a plurality of grooves, and the cross sections of the grooves are isosceles triangles with pointed ends facing outwards;
The first locking piece and the second locking piece are rubber pieces made of rubber materials respectively;
The space between the annular cover plate and the annular pressing plate is adjusted through the locking screw, so that the friction resistance between the locking piece and the stirring shaft is adjusted, and the fixing seat realizes the adjustment and the fixation of the position of the fixing seat on the stirring shaft by using the friction resistance between the locking piece and the stirring shaft.
2. The clean stirring paddle of claim 1, wherein: the first sealing ring, the second sealing ring and the third sealing ring are all O-shaped rings.
3. The clean stirring paddle of claim 1, wherein: and threaded holes matched with the locking screws are formed in the annular protruding blocks.
4. A clean mixing paddle as defined in claim 3, wherein: the annular pressing plate and the annular cover plate are respectively provided with perforations matched with the locking screws, and the positions of the perforations and the threaded holes are in one-to-one correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011084191.6A CN112058113B (en) | 2020-10-12 | 2020-10-12 | Clean stirring paddle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011084191.6A CN112058113B (en) | 2020-10-12 | 2020-10-12 | Clean stirring paddle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112058113A CN112058113A (en) | 2020-12-11 |
| CN112058113B true CN112058113B (en) | 2024-05-03 |
Family
ID=73655155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011084191.6A Active CN112058113B (en) | 2020-10-12 | 2020-10-12 | Clean stirring paddle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112058113B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201735365U (en) * | 2010-06-22 | 2011-02-09 | 卧龙电气集团股份有限公司 | Vacuum stone stirrer shaft-end sealing device |
| CN102242838A (en) * | 2011-06-30 | 2011-11-16 | 浙江正康实业有限公司 | Bulge-loop-free self-locking sealing connector for thin-wall stainless steel pipe |
| CN204664412U (en) * | 2015-04-20 | 2015-09-23 | 重庆远风机械有限公司 | The vacuum stirring system transitions rotary seat of vacuum mixer |
| JP2018136029A (en) * | 2017-02-20 | 2018-08-30 | 株式会社オシキリ | Shaft seal member, shaft seal device for rotational shaft, horizontal-type mixer, and mixer |
| CN209130188U (en) * | 2018-09-14 | 2019-07-19 | 湖北华大瑞尔科技有限公司 | A kind of sealing device of horizontal solid tank |
| CN211175366U (en) * | 2019-12-16 | 2020-08-04 | 山西华康药业股份有限公司 | Device for dynamic sealing of mixer |
| CN211246138U (en) * | 2019-10-19 | 2020-08-14 | 上海耐利流体设备有限公司 | Sanitary-grade quick stirring shaft sleeve |
| CN212595074U (en) * | 2020-10-12 | 2021-02-26 | 连云港百仑生物反应器科技有限公司 | Clean formula stirring rake |
-
2020
- 2020-10-12 CN CN202011084191.6A patent/CN112058113B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201735365U (en) * | 2010-06-22 | 2011-02-09 | 卧龙电气集团股份有限公司 | Vacuum stone stirrer shaft-end sealing device |
| CN102242838A (en) * | 2011-06-30 | 2011-11-16 | 浙江正康实业有限公司 | Bulge-loop-free self-locking sealing connector for thin-wall stainless steel pipe |
| CN204664412U (en) * | 2015-04-20 | 2015-09-23 | 重庆远风机械有限公司 | The vacuum stirring system transitions rotary seat of vacuum mixer |
| JP2018136029A (en) * | 2017-02-20 | 2018-08-30 | 株式会社オシキリ | Shaft seal member, shaft seal device for rotational shaft, horizontal-type mixer, and mixer |
| CN209130188U (en) * | 2018-09-14 | 2019-07-19 | 湖北华大瑞尔科技有限公司 | A kind of sealing device of horizontal solid tank |
| CN211246138U (en) * | 2019-10-19 | 2020-08-14 | 上海耐利流体设备有限公司 | Sanitary-grade quick stirring shaft sleeve |
| CN211175366U (en) * | 2019-12-16 | 2020-08-04 | 山西华康药业股份有限公司 | Device for dynamic sealing of mixer |
| CN212595074U (en) * | 2020-10-12 | 2021-02-26 | 连云港百仑生物反应器科技有限公司 | Clean formula stirring rake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112058113A (en) | 2020-12-11 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20240401 Address after: 222000 No. 3, LIANGANG Road, Lingang automatic control equipment industrial zone, dunshang Town, Ganyu District, Lianyungang City, Jiangsu Province Applicant after: Bailun Biotechnology (Jiangsu) Co.,Ltd. Country or region after: China Address before: 222142 Lingang automatic control equipment industrial zone, dunshang Town, Ganyu District, Lianyungang City, Jiangsu Province Applicant before: Lianyungang Bailun Bioreactor Technology Co.,Ltd. Country or region before: China |
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| GR01 | Patent grant |