CN110756101A - Powdery material mixing device based on frequency oscillation - Google Patents
Powdery material mixing device based on frequency oscillation Download PDFInfo
- Publication number
- CN110756101A CN110756101A CN201911108398.XA CN201911108398A CN110756101A CN 110756101 A CN110756101 A CN 110756101A CN 201911108398 A CN201911108398 A CN 201911108398A CN 110756101 A CN110756101 A CN 110756101A
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- Prior art keywords
- cavity
- rotating
- oscillating
- transmission shaft
- rotating rod
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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
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/56—Mixers with shaking, oscillating, or vibrating mechanisms having a vibrating receptacle provided with stirring elements, e.g. independent stirring elements
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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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/60—Mixing solids with solids
- B01F23/69—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means
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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
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71725—Feed mechanisms characterised by the means for feeding the components to the mixer using centrifugal forces
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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
- B01F35/79—Preventing lumping, or comminuting lumps, during feeding or discharging, e.g. by means of vibrations, or by scrapers
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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
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2204—Mixing chemical components in generals in order to improve chemical treatment or reactions, independently from the specific application
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a powdery material mixing device based on frequency oscillation, which comprises a machine shell, wherein an oscillation cavity is arranged at the upper end in the machine shell, a driven cavity is arranged at the lower end in the machine shell, a transmission shaft is arranged on the right side of the driven cavity, a transmission mechanism for providing power for the device is arranged in the transmission shaft, an oscillation mechanism for mixing powdery materials by using frequency oscillation is arranged in the oscillation cavity, and a discharge mechanism for discharging the mixed materials out of the device is arranged in the driven cavity.
Description
Technical Field
The invention relates to the field of frequency oscillation, in particular to a powdery material mixing device based on frequency oscillation.
Background
In the industry, it is generally required to mix a plurality of powdery materials to achieve the maximum effect of using the mixed materials, and in the material mixing method, stirring and mixing are the most common stirring method.
At the present stage, when mixing multiple powdery material, adopt the mode of stirring to mix it usually, but when not adding water with powdery material stirring under the prerequisite, can produce more dust, the dust raise is more serious more the stirring dynamics is big moreover.
Disclosure of Invention
The invention aims to provide a powder material mixing device based on frequency oscillation, which overcomes the problems of dust emission and low mixing efficiency during stirring, reduces the dust emission and improves the mixing efficiency.
The invention is realized by the following technical scheme.
The invention relates to a powdery material mixing device based on frequency oscillation, which comprises a machine shell, wherein an oscillation cavity is arranged at the upper end in the machine shell, a driven cavity is arranged at the lower end in the machine shell, a transmission shaft is arranged on the right side of the driven cavity, a transmission mechanism for providing power for the device is arranged in the transmission shaft, an oscillation mechanism for mixing powdery materials by using frequency oscillation is arranged in the oscillation cavity, and a discharging mechanism for discharging the mixed materials out of the device is arranged in the driven cavity;
the oscillating mechanism comprises an upper cavity wall and a lower cavity wall which are positioned at the left end of the oscillating cavity, moving blocks capable of moving left and right in the cavity are arranged in the moving cavities, an elastic spring is fixedly arranged on the left end faces of the two moving blocks and connected with the left cavity wall of the moving cavity, the lower end face of the moving block on the upper side and the upper end face of the moving block on the lower side are fixedly connected with oscillating blocks positioned in the oscillating cavity, a mixing cavity is arranged in the oscillating block, a feeding hole communicated up and down is arranged on the upper cavity wall of the mixing cavity, an electromagnetic switch is arranged in the feeding hole, the lower cavity wall of the mixing cavity is communicated up and down, a lifting plate is arranged in the mixing cavity, a sliding cavity with a downward opening is arranged in the lifting plate, a sliding block capable of moving left and right in the sliding cavity is arranged in the sliding cavity, and return springs are fixedly arranged on the left end face and, the front end face of the right lower part of the oscillating block is provided with a section of rack, the upper wall of the transmission shaft is rotatably provided with a rotating shaft, the upper end of the rotating shaft extends into the oscillating cavity, the lower end of the rotating shaft is provided with a first bevel gear positioned in the transmission shaft, the upper end of the rotating shaft is provided with a half gear positioned in the oscillating cavity and meshed with the rack, and the upper wall of the oscillating cavity is provided with a through hole communicated with the external space.
Further, the transmission mechanism comprises a motor fixed on the left cavity wall of the transmission shaft, the right end of the motor is in power connection with the transmission shaft, the right end of the transmission shaft is provided with a transmission gear, the left cavity wall and the right cavity wall of the transmission shaft are in rotating connection with a rotating shaft positioned on the upper side of the transmission shaft, the left end of the rotating shaft is provided with a second bevel gear in meshing connection with the first bevel gear, the right end of the rotating shaft is provided with a first ratchet wheel which can be in meshing connection with the transmission gear, twelve first rotating cavities are arranged in the first ratchet wheel at equal intervals, first fixing rods are fixedly arranged on the left cavity wall and the right cavity wall in the first rotating cavities, first rotating teeth are arranged on the first fixing rods, a first torsion spring is connected between the first rotating teeth and the first fixing rods, the right cavity wall of the transmission shaft is in rotating connection with a rotating shaft of which, the transmission shaft is characterized in that twelve second rotating cavities are arranged in the second ratchet wheel at equal intervals, a second fixing rod is fixedly arranged on the left cavity wall and the right cavity wall in each second rotating cavity, second rotating teeth are arranged on the second fixing rods, the second rotating teeth are connected with the second fixing rods through second torsion springs, the transmission gear is meshed with the first ratchet wheel to be connected when the transmission shaft rotates forwards, and the transmission gear is meshed with the second ratchet wheel to be connected when the transmission shaft rotates backwards.
Furthermore, the discharging mechanism comprises a collecting cavity which is positioned on the lower cavity wall of the oscillating cavity and has an upward opening, the lower cavity wall of the driven cavity is rotatably connected with a rotating rod, the upper end surface of the rotating rod is fixedly connected with the lower end surface of the sliding block, the upper end of the rotating rod is in key connection with three shifting pieces positioned in the collecting cavity, a stop block positioned on the upper side of the shifting piece is fixedly arranged on the side cavity wall of the collecting cavity, a rotating gear positioned in the driven cavity is arranged at the lower end of the rotating rod, a section of toothed column is also arranged at the lower end of the rotating rod, the lower cavity wall of the driven cavity is also rotatably connected with a rotating rod positioned on the right side of the rotating rod, a driven gear is arranged at the lower end of the rotating rod, a third bevel gear is arranged at the upper end of the rotating rod, a fourth bevel gear positioned in the driven cavity and engaged with the third bevel gear is, and a discharge channel communicated with the external space is arranged on the lower cavity wall at the left end of the collecting cavity.
Further, the sum of the gravity of the rotating rod and the rotating gear and the sliding block connected with the rotating rod is larger than the sum of the friction force received when the rotating rod moves downwards.
Further, the elastic force of the two elastic springs is larger than the friction force applied to the oscillating block when the oscillating block slides in the oscillating cavity.
The invention has the beneficial effects that: the invention has simple structure and convenient operation, fully mixes the powdery materials to be mixed by adopting frequency oscillation, reduces the ash raising effect when the powdery materials are mixed by the oscillation mixing, can change the mixing efficiency by changing the oscillation frequency, and can automatically discharge the mixed materials out of the device after the mixing is finished so as to finish the collection of the materials.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at C-C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the structure shown in FIG. 4 at D according to an embodiment of the present invention;
fig. 6 is a schematic view of a rotary rod of an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The device for mixing powdery materials based on frequency oscillation described in conjunction with fig. 1-6 comprises a casing 10, an oscillation cavity 18 is arranged at the upper end in the casing 10, a driven cavity 35 is arranged at the lower end in the casing 10, a transmission shaft 31 is arranged at the right side of the driven cavity 35, a transmission mechanism 32 for providing power for the device is arranged in the transmission shaft 31, an oscillation mechanism 48 for mixing powdery materials by using frequency oscillation is arranged in the oscillation cavity 18, a discharge mechanism 41 for discharging the mixed materials out of the device is arranged in the driven cavity 35, the oscillation mechanism 48 comprises a moving cavity 12 arranged in the upper cavity wall and the lower cavity wall at the left end of the oscillation cavity 18, moving blocks 13 capable of moving left and right in the moving cavity are arranged in the moving cavity 12, elastic springs 11 are fixedly arranged on the left end surfaces of the two moving blocks 13, and the elastic springs 11 are connected with the left cavity wall of the moving cavity 12, the lower end face of the upper moving block 13 and the upper end face of the lower moving block 13 are fixedly connected with an oscillating block 19 positioned in the oscillating cavity 18, a mixing cavity 16 is arranged in the oscillating block 19, the upper cavity wall of the mixing cavity 16 is provided with a feeding hole 15 which is communicated up and down, an electromagnetic switch 14 is arranged in the feeding hole 15, the lower cavity wall of the mixing cavity 16 is provided with a 65 which is communicated up and down, a lifting plate 20 is arranged in the 65, a sliding cavity 47 with a downward opening is arranged in the lifting plate 20, a sliding block 45 which can move left and right in the cavity is arranged in the sliding cavity 47, return springs 46 are fixedly arranged on the left end face and the right end face of the sliding block 45 and are respectively connected with the left cavity wall and the right cavity wall of the sliding cavity 47, a section of rack 49 is arranged on the front end face of the right lower portion of the oscillating block 19, the lower end of the rotating shaft 21 is provided with a first bevel gear 22 positioned in the transmission shaft 31, the upper end of the rotating shaft 21 is provided with a half gear 50 positioned in the oscillating cavity 18 and meshed with the rack 49, and the upper cavity wall of the oscillating cavity 18 is provided with a through hole 17 communicated with the external space.
Advantageously, the transmission mechanism 32 comprises a motor 29 fixed on the left cavity wall of the transmission shaft 31, a transmission shaft 27 is power connected to the right end of the motor 29, a transmission gear 26 is arranged on the right end of the transmission shaft 27, a rotating shaft 25 positioned on the upper side of the transmission shaft 27 is rotatably connected to the left and right cavity walls of the transmission shaft 31, a second bevel gear 23 engaged with the first bevel gear 22 is arranged at the left end of the rotating shaft 25, a first ratchet wheel 24 engaged with the transmission gear 26 is arranged at the right end of the rotating shaft 25, twelve first rotating cavities 58 are equidistantly arranged in the first ratchet wheel 24, a first fixing rod 57 is fixedly arranged on each of the left and right cavity walls in the first rotating cavities 58, a first rotating tooth 59 is arranged on the first fixing rod 57, a first rotating spring 60 is connected between the first rotating tooth 59 and the first fixing rod 57, a rotating shaft 28 with a left end extending into the driven cavity 35 is rotatably connected to the right, the right end of the rotating shaft 28 is provided with a second ratchet wheel 30 which can be meshed and connected with the transmission gear 26, twelve second rotating cavities 64 are arranged in the second ratchet wheel 30 at equal intervals, second fixing rods 62 are fixedly arranged on the left cavity wall and the right cavity wall in the second rotating cavities 64, second rotating teeth 61 are arranged on the second fixing rods 62, the second rotating teeth 61 are connected with the second fixing rods 62 through second torsion springs 63, when the transmission shaft 27 rotates forwards, the transmission gear 26 is meshed and connected with the first ratchet wheel 24, and when the transmission shaft 27 rotates backwards, the transmission gear 26 is meshed and connected with the second ratchet wheel 30.
Advantageously, the discharging mechanism 41 comprises a collecting cavity 52 which is located on the lower cavity wall of the oscillating cavity 18 and opens upwards, the lower cavity wall of the driven cavity 35 is rotatably connected with a rotating rod 38 whose upper end surface is fixedly connected with the lower end surface of the sliding block 45, the upper end of the rotating rod 38 is keyed with three shifting pieces 44 which are located in the collecting cavity 52, a stop 51 which is located on the upper side of the shifting piece 44 is fixedly arranged on the cavity wall of the side of the collecting cavity 52, the lower end of the rotating rod 38 is provided with a rotating gear 40 which is located in the driven cavity 35, the lower end of the rotating rod 38 is further provided with a section of toothed column 56, the lower cavity wall of the driven cavity 35 is further rotatably connected with a rotating rod 36 which is located on the right side of the rotating rod 38, the lower end of the rotating rod 36 is provided with a driven gear 37, the upper end of the rotating rod 36 is provided with a third bevel gear 34, the left end of the rotating shaft 28 is, the left end of the rotating shaft 28 is also provided with a rotating gear 42 in meshed connection with the toothed column 56, and the lower cavity wall at the left end of the collecting cavity 52 is provided with a discharging channel 39 communicated with the external space.
Advantageously, the sum of the gravity of the rotating rod 38 and the rotating gear 40 and the sliding block 45 connected to the rotating rod 38 is greater than the sum of the friction forces experienced by the rotating rod 38 when moving downward.
Advantageously, the elastic force of the two elastic springs 11 is greater than the friction force to which the oscillating mass 19 is subjected when sliding inside the oscillation chamber 18.
Sequence of mechanical actions of the whole device:
when the materials need to be mixed, the electromagnetic switch 14 is opened, the powdery materials to be mixed are placed into the mixing cavity 16 through the through hole 17 and the feeding hole 15, the electromagnetic switch 14 is closed, the motor 29 is started to rotate in the forward direction, the motor 29 operates to drive the transmission shaft 27 to rotate in the forward direction, the transmission shaft 27 rotates in the forward direction to drive the first rotating teeth 59 meshed with the transmission shaft to rotate, the first rotating teeth 59 are limited by the left cavity wall of the first rotating cavity 58, so that the first ratchet wheel 24 is driven to rotate through the first rotating teeth 59, the rotating shaft 25 and the second bevel gear 23 are driven to rotate, the second bevel gear 23 rotates to drive the first bevel gear 22 meshed with the second bevel gear to rotate, so that the rotating shaft 21 and the half gear 50 are driven to rotate, when the half gear 50 rotates to enable a toothed part to be meshed with the rack 49, the oscillating block 19 is driven to move leftwards, so that the two elastic springs 11 are pressed, and when the half, the oscillating block 19 moves rightwards under the action of the elastic force of the two elastic springs 11, and the oscillating block 19 is driven to move leftwards and rightwards back and forth in a circulating reciprocating mode to form an oscillating effect, so that materials in the mixing cavity 16 can be oscillated and mixed, and the effect of changing the oscillating frequency can be achieved by changing the rotating speed of the motor 29, so that the mixing efficiency is further improved;
after the materials are mixed, the motor 29 is started to work in a reverse rotation mode, so that the transmission shaft 27 and the transmission gear 26 are driven to rotate in a reverse rotation mode, the transmission gear 26 rotates in a reverse rotation mode to drive the second rotating tooth 61 meshed with the second rotating tooth to rotate, the second rotating tooth 61 cannot rotate due to the limitation of the left cavity wall of the second rotating cavity 64, so that the second ratchet wheel 30 is driven to rotate, the second ratchet wheel 30 rotates to drive the rotating shaft 28 and the fourth bevel gear 33 and the rotating gear 42 at the left end of the rotating shaft 28 to rotate, the fourth bevel gear 33 rotates to drive the third bevel gear 34 meshed with the fourth bevel gear to rotate, so that the rotating rod 36 and the driven gear 37 are driven to rotate, the rotating gear 42 rotates to drive the tooth column 56 meshed with the rotating gear to move upwards, so that the rotating rod 38 is driven to move upwards, so that the lifting plate 20 is driven to move upwards to leave 65, the materials in the mixing cavity 16 enter the collecting cavity 52 from the interior of the, thereby drive rotary gear 40 and rotate, rotary gear 40 rotates and drives rotary rod 38 and plectrum 44 and lifter plate 20 and rotate, and lifter plate 20 rotates and throws the material of lifter plate 20 upper surface into mixing chamber 16, and plectrum 44 rotates and scrapes the material in the collecting cavity 52 into discharging channel 39 and discharges, and the material is discharged the back, closes motor 29, and rotary rod 38 moves down under self action of gravity and resets.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a powdery material mixing arrangement based on frequency oscillation, includes the casing, its characterized in that: the upper end in the machine shell is provided with an oscillating cavity, the lower end in the machine shell is provided with a driven cavity, the right side of the driven cavity is provided with a transmission shaft, a transmission mechanism for providing power for the device is arranged in the transmission shaft, an oscillating mechanism for mixing powdery objects by using frequency vibration is arranged in the oscillating cavity, and a discharging mechanism for discharging the mixed materials out of the device is arranged in the driven cavity;
the oscillating mechanism comprises an upper cavity wall and a lower cavity wall which are positioned at the left end of the oscillating cavity, moving blocks capable of moving left and right in the cavity are arranged in the moving cavities, an elastic spring is fixedly arranged on the left end faces of the two moving blocks and connected with the left cavity wall of the moving cavity, the lower end face of the moving block on the upper side and the upper end face of the moving block on the lower side are fixedly connected with oscillating blocks positioned in the oscillating cavity, a mixing cavity is arranged in the oscillating block, a feeding hole communicated up and down is arranged on the upper cavity wall of the mixing cavity, an electromagnetic switch is arranged in the feeding hole, the lower cavity wall of the mixing cavity is communicated up and down, a lifting plate is arranged in the mixing cavity, a sliding cavity with a downward opening is arranged in the lifting plate, a sliding block capable of moving left and right in the sliding cavity is arranged in the sliding cavity, and return springs are fixedly arranged on the left end face and, the front end face of the right lower part of the oscillating block is provided with a section of rack, the upper wall of the transmission shaft is rotatably provided with a rotating shaft, the upper end of the rotating shaft extends into the oscillating cavity, the lower end of the rotating shaft is provided with a first bevel gear positioned in the transmission shaft, the upper end of the rotating shaft is provided with a half gear positioned in the oscillating cavity and meshed with the rack, and the upper wall of the oscillating cavity is provided with a through hole communicated with the external space.
2. A powder material mixing device based on frequency oscillation according to claim 1, wherein: the transmission mechanism comprises a motor fixed on the left cavity wall of the transmission shaft, the right end of the motor is in power connection with the transmission shaft, the right end of the transmission shaft is provided with a transmission gear, the left and right cavity walls of the transmission shaft are rotatably connected with a rotating shaft positioned on the upper side of the transmission shaft, the left end of the rotating shaft is provided with a second bevel gear meshed with the first bevel gear, the right end of the rotating shaft is provided with a first ratchet wheel meshed with the transmission gear, twelve first rotating cavities are arranged in the first ratchet wheel at equal intervals, first fixing rods are fixedly arranged on the left and right cavity walls in the first rotating cavities, first rotating teeth are arranged on the first fixing rods, a first torsion spring is connected between the first rotating teeth and the first fixing rods, the right cavity wall of the transmission shaft is rotatably connected with a rotating shaft of which the left end extends into the driven cavity, and the right end, the transmission shaft is characterized in that twelve second rotating cavities are arranged in the second ratchet wheel at equal intervals, a second fixing rod is fixedly arranged on the left cavity wall and the right cavity wall in each second rotating cavity, second rotating teeth are arranged on the second fixing rods, the second rotating teeth are connected with the second fixing rods through second torsion springs, the transmission gear is meshed with the first ratchet wheel to be connected when the transmission shaft rotates forwards, and the transmission gear is meshed with the second ratchet wheel to be connected when the transmission shaft rotates backwards.
3. A powder material mixing device based on frequency oscillation according to claim 1, wherein: the discharging mechanism comprises a collecting cavity which is positioned on the lower cavity wall of the oscillating cavity and has an upward opening, the lower cavity wall of the driven cavity is rotationally connected with a rotating rod, the upper end surface of the rotating rod is fixedly connected with the lower end surface of the sliding block, the upper end of the rotating rod is in keyed connection with three shifting pieces positioned in the collecting cavity, a stop block positioned on the upper side of the shifting piece is fixedly arranged on the side cavity wall of the collecting cavity, a rotating gear positioned in the driven cavity is arranged at the lower end of the rotating rod, a section of tooth post is also arranged at the lower end of the rotating rod, the lower cavity wall of the driven cavity is also rotationally connected with a rotating rod positioned on the right side of the rotating rod, a driven gear is arranged at the lower end of the rotating rod, a third bevel gear is arranged at the upper end of the rotating rod, a fourth bevel gear positioned in the driven cavity and meshed with the third bevel, and a discharge channel communicated with the external space is arranged on the lower cavity wall at the left end of the collecting cavity.
4. A powder material mixing device based on frequency oscillation according to claim 3, wherein: the sum of the gravity of the rotating rod, the rotating gear connected with the rotating rod and the sliding block is larger than the sum of the friction force received when the rotating rod moves downwards.
5. A powder material mixing device based on frequency oscillation according to claim 1, wherein: the elastic force of the two elastic springs is larger than the friction force applied to the oscillating block when the oscillating block slides in the oscillating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911108398.XA CN110756101A (en) | 2019-11-13 | 2019-11-13 | Powdery material mixing device based on frequency oscillation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911108398.XA CN110756101A (en) | 2019-11-13 | 2019-11-13 | Powdery material mixing device based on frequency oscillation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110756101A true CN110756101A (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911108398.XA Withdrawn CN110756101A (en) | 2019-11-13 | 2019-11-13 | Powdery material mixing device based on frequency oscillation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110756101A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870845A (en) * | 2020-08-07 | 2020-11-03 | 青岛滴都生命保障救援设备科技有限公司 | Convenient first aid knapsack of dry powder fire extinguisher |
-
2019
- 2019-11-13 CN CN201911108398.XA patent/CN110756101A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870845A (en) * | 2020-08-07 | 2020-11-03 | 青岛滴都生命保障救援设备科技有限公司 | Convenient first aid knapsack of dry powder fire extinguisher |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200207 |
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| WW01 | Invention patent application withdrawn after publication |