CN112742289A - Trough type mixer - Google Patents
Trough type mixer Download PDFInfo
- Publication number
- CN112742289A CN112742289A CN202110219786.6A CN202110219786A CN112742289A CN 112742289 A CN112742289 A CN 112742289A CN 202110219786 A CN202110219786 A CN 202110219786A CN 112742289 A CN112742289 A CN 112742289A
- Authority
- CN
- China
- Prior art keywords
- shaft hole
- end cover
- plunger
- cavity
- sealing plug
- 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.)
- Withdrawn
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Classifications
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- 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
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- 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
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
- B01F33/71—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming working at super-atmospheric pressure, e.g. in pressurised vessels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
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- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to a trough mixer, which effectively solves the problem of poor sealing effect at a stirring shaft of the trough mixer; the technical scheme includes that the mixing tank comprises a mixing tank, wherein a stirring blade is arranged in the mixing tank, shaft holes are formed in the side walls of two ends of the mixing tank, the inner end of each shaft hole is conical with the small end facing inwards, a conical sealing plug matched with the conical section of the shaft hole is arranged in each shaft hole, each rotating shaft penetrates through the corresponding sealing plug, an end cover is arranged at the outer end of each shaft hole, each rotating shaft of the stirring blade penetrates through the corresponding end cover, a cavity is formed in each end cover, a push rod parallel to the corresponding shaft hole penetrates through the inner end of each end cover, one end, located in each end cover, of each push rod is communicated with the corresponding cavity, the other end of each push rod is in contact with the end of each sealing plug, a micro plunger pump is arranged on the outer end face of each end cover, a cam; the invention can maintain the sealing performance for a long time.
Description
Technical Field
The invention relates to the field of material mixing equipment, in particular to a trough type mixer.
Background
The groove type mixer is a common material mixing device and can be used for mixing powder, liquid and slurry; the pivot of the stirring vane of the groove type mixer is installed on the groove body, the pivot and the groove body matching position need to be effectively sealed, the powder, the liquid and the slurry are prevented from entering the revolute pair of the stirring shaft, the equipment is prevented from being damaged, the current sealing element can be worn and aged after being used for a long time, and therefore the sealing effect is reduced.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a trough mixer, which effectively solves the problem of poor sealing effect at a stirring shaft of the trough mixer.
The technical scheme includes that the trough type mixer comprises a mixing trough, wherein the mixing trough is provided with stirring blades, shaft holes are formed in the side walls of two ends of the mixing trough, the inner end of each shaft hole is conical with the small end facing inwards, a sealing unit is arranged in each shaft hole and comprises a conical sealing plug which is arranged in each shaft hole and matched with the conical section of each shaft hole, a rotating shaft of each stirring blade penetrates through each sealing plug, the outer end of each shaft hole is provided with an end cover in a threaded rotation mode, the center of each end cover is provided with a through hole, the rotating shaft of each stirring blade is rotatably arranged in each through hole through a bearing, a cavity is formed in each end cover, a push rod parallel to the axis of each shaft hole penetrates through the inner end of each end cover, one end, located in each end cover, of each push rod is communicated with the cavity, the other end of each push rod is in contact, when the rotating shaft rotates, the cam can drive the micro plunger pump to pump air into the cavity, and the cavity is provided with a pressure relief pipe which is provided with a pressure valve.
The push rods on each group of sealing units are uniformly distributed on the circumference, and a base plate is arranged between the end parts of the push rods and the conical sealing plug, so that the push rods can uniformly apply force to the conical sealing plug.
The miniature plunger pump comprises a shell, a plunger is arranged in the shell, one end of the plunger extends out of the shell and is in contact with a cam, a pressure spring capable of ejecting the plunger outwards is arranged between the other end of the plunger and the bottom of the shell, an air inlet pipe and an air outlet pipe are arranged at the bottom of the shell, an air inlet check valve is arranged in the air inlet pipe, and the air outlet pipe is communicated with a cavity and provided with an air outlet check valve.
The invention can keep the sealing performance for a long time and avoid the aging of the sealing element to cause the powder, the liquid and the slurry to enter the rotating pair of the rotating shaft of the stirring blade.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is an enlarged view of the position a in fig. 1.
Fig. 3 is an enlarged view of the position B in fig. 2.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in figures 1 to 3, the invention comprises a mixing tank 1, the mixing tank 1 is provided with stirring blades 2, the side walls of two ends of the mixing tank 1 are provided with shaft holes 3, the inner end of each shaft hole 3 is conical with the small end facing inwards, each shaft hole 3 is internally provided with a sealing unit, each sealing unit comprises a conical sealing plug 4 which is arranged in each shaft hole 3 and matched with the conical section of each shaft hole 3, the rotating shaft of each stirring blade 2 passes through the conical sealing plug 4, the outer end of each shaft hole 3 is provided with an end cover 5 through thread rotation, the center of each end cover 5 is provided with a through hole 6, the rotating shaft of each stirring blade 2 is rotatably arranged in the through hole 6 through a bearing, the end cover 5 is internally provided with a cavity 7, the inner end of each end cover 5 is provided with a push rod 8 which is parallel to the axis of the shaft hole 3, one end of each push rod 8 in the end cover 5 is communicated with the cavity 7, a cam 9 is installed on a rotating shaft of the stirring blade 2, when the rotating shaft rotates, the cam 9 can drive a micro plunger 14 pump to pump air into the cavity 7, a pressure relief pipe 10 is installed on the cavity 7, and a pressure valve 11 is installed on the pressure relief pipe 10.
The push rods 8 on each group of sealing units are uniformly distributed on the circumference of the sealing unit, and a backing plate 12 is arranged between the end parts of the push rods 8 and the sealing plug 4, so that the push rods 8 can uniformly apply force to the sealing plug 4.
The miniature plunger 14 pump comprises a shell 13, a plunger 14 is arranged in the shell 13, one end of the plunger 14 extends out of the shell 13 and is in contact with a cam 9, a pressure spring 15 capable of ejecting the plunger 14 outwards is arranged between the other end of the plunger 14 and the bottom of the shell 13, an air inlet pipe 16 and an air outlet pipe 17 are arranged at the bottom of the shell 13, an air inlet check valve 18 is arranged on the air inlet pipe 16, the air outlet pipe 17 is communicated with the cavity 7, and an air outlet check valve 19 is arranged on the air outlet pipe 17.
When the invention is used, the stirring blade 2 rotates to drive the cam 9 on the rotating shaft to rotate, the cam 9 rotates to drive the plunger 14 of the miniature plunger 14 pump at the outer end of the end cover 5 to reciprocate, the shell 13 sucks air through the air inlet pipe 16 and the air inlet one-way valve 18 when the plunger 14 moves outwards, air in the shell 13 is pumped into the cavity 7 through the air outlet pipe 17 and the air outlet one-way valve 19 when the plunger 14 moves inwards, so that the pressure in the cavity 7 is increased, a plurality of push rods 8 are pushed outwards to push the conical sealing plug 4 towards the inner end of the shaft hole 3, the conical sealing plug 4 is tightly pressed with the conical section of the shaft hole 3, the inner wall of the conical sealing plug 4 is tightly pressed with the rotating shaft of the stirring blade 2 to keep effective sealing, after the conical sealing plug 4 is tightly pressed with the shaft hole 3, when the pressure in the cavity 7 reaches the opening threshold value of the pressure valve 11, the, thereby maintaining a stable pressure in the cavity 7 and thus keeping the conical sealing plug 4 in an effective pressure-tight seal with the conical section of the shaft bore 3.
The invention can automatically pressurize the conical sealing plug 4 when the stirring blade 2 rotates, so that the conical sealing plug 4 and the conical hole section of the shaft hole 3 are always kept in effective pressure sealing, thereby being capable of keeping the sealing performance for a long time and avoiding the aging of the sealing element to cause powder, liquid and slurry to enter the rotating pair of the rotating shaft of the stirring blade 2.
Claims (3)
1. The utility model provides a tank type mixer, including mixing tank (1), mixing tank (1) is equipped with stirring vane (2), a serial communication port, it has shaft hole (3) to open on the both ends lateral wall of mixing tank (1), the inner of shaft hole (3) is the toper of tip inwards, all install sealed unit in every shaft hole (3), sealed unit is including installing in shaft hole (3) and with the toper sealing plug (4) of the toper section complex in shaft hole (3), stirring vane's (2) pivot is passed toper sealing plug (4), shaft hole (3) outer end has an end cover (5) through the screw thread rotation, the center of end cover (5) is opened has a through-hole (6), the pivot of stirring vane (2) is rotatable to be installed in through-hole (6) through the bearing, it has a cavity (7) to open in end cover (5), end cover (5) inner has worn push rod (8) parallel with shaft hole (3) axis, one end that push rod (8) are located end cover (5) communicates with empty cavity (7), the other end of push rod (8) and the tip contact of sealing plug (4), install a miniature plunger (14) pump on the outer terminal surface of end cover (5), install a cam (9) in the pivot of stirring vane (2), cam (9) can drive miniature plunger (14) pump when the pivot rotates and pump gas to cavity (7), a pressure release pipe (10) is equipped with on cavity (7), install a pressure valve (11) on pressure release pipe (10).
2. A trough mixer according to claim 1, wherein the push rods (8) of each set of sealing units are arranged in a plurality of circumferential rows, and a backing plate (12) is arranged between the ends of the push rods (8) and the sealing plug (4).
3. The trough mixer of claim 1, wherein the miniature plunger (14) pump comprises a housing (13), a plunger (14) is mounted in the housing (13), one end of the plunger (14) extends out of the housing (13) and contacts with the cam (9), a pressure spring (15) capable of pushing the plunger (14) outwards is mounted between the other end of the plunger (14) and the bottom of the housing (13), an air inlet pipe (16) and an air outlet pipe (17) are mounted at the bottom of the housing (13), an air inlet check valve (18) is mounted on the air inlet pipe (16), the air outlet pipe (17) is communicated with the cavity (7), and an air outlet check valve (19) is mounted on the air outlet pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219786.6A CN112742289A (en) | 2021-02-27 | 2021-02-27 | Trough type mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219786.6A CN112742289A (en) | 2021-02-27 | 2021-02-27 | Trough type mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112742289A true CN112742289A (en) | 2021-05-04 |
Family
ID=75651595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110219786.6A Withdrawn CN112742289A (en) | 2021-02-27 | 2021-02-27 | Trough type mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112742289A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367227B (en) * | 2021-12-31 | 2022-12-30 | 河南博欣生物科技有限公司 | Vacuum homogenizing emulsifying mixer |
-
2021
- 2021-02-27 CN CN202110219786.6A patent/CN112742289A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367227B (en) * | 2021-12-31 | 2022-12-30 | 河南博欣生物科技有限公司 | Vacuum homogenizing emulsifying mixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210504 |