CN113842805A - Dry-pressing powder quantitative feeding machine - Google Patents
Dry-pressing powder quantitative feeding machine Download PDFInfo
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- CN113842805A CN113842805A CN202111120414.4A CN202111120414A CN113842805A CN 113842805 A CN113842805 A CN 113842805A CN 202111120414 A CN202111120414 A CN 202111120414A CN 113842805 A CN113842805 A CN 113842805A
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- auger conveyor
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- 239000000843 powder Substances 0.000 title claims abstract description 66
- 238000003825 pressing Methods 0.000 title claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 113
- 239000000463 material Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000013461 design Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Abstract
The invention relates to a dry-pressing powder quantitative feeding machine which comprises a stirring cylinder and an auger conveyor, wherein the stirring cylinder is in a conical structure, a cylinder cover is arranged at the top of the stirring cylinder, a stirring motor is arranged in the middle of the top of the cylinder cover, the stirring cylinder drives a stirring paddle inside a cylinder body to rotate through the stirring motor, a discharge port at the bottom of the stirring cylinder is connected with a feeding pipe of the auger conveyor, a feeding port of the auger conveyor is connected with a discharging pipe, and a driving motor of the auger conveyor is a speed regulating motor and is used for quantitatively conveying dry-pressing powder. The invention adopts the design that the special stirring paddle blade is matched with the large-taper cylinder body, the stirring is uniform, the blanking is automatic, the inner wall of the cylinder body has no residue, the cleaning work is avoided, the design of the three-way gas pipe is effectively matched with the speed regulating motor of the auger conveyor, the continuous quantitative and stable conveying of the powder is realized, the problem of difficult continuous conveying of the powder with poor fluidity is effectively solved, and the technical guarantee is provided for the automatic and stable transmission of the powder.
Description
Technical Field
The invention relates to the technical field of magnetic material manufacturing, in particular to a quantitative dry-pressing powder feeder.
Background
In the ferrite magnetic material dry powder manufacturing industry, automatic quantitative transmission is seriously needed in the material mixing process. During the process of conveying the magnetic material dry powder, the powder has poor flowability, so that the conveying difficulty is easily caused, and if the powder is exposed, the environmental pollution problem is easily caused by dust. The problem of pollution is solved and pipeline closed conveying is first selected, but because of the powder mobility is very poor, the in-process appears and glues the wall and the phenomenon of bridging, causes the powder can't be in the pipeline closed conveying, consequently urgent need solve the problem of dry pressing powder transport difficulty through research and development equipment.
Disclosure of Invention
The invention aims to provide a quantitative dry-pressing powder feeder to solve the problems in the background technology.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a dry-pressing powder quantitative feeding machine, includes churn and auger conveyor, the appearance of churn is the coniform structure, agitator motor is installed through the bracing piece at the top of churn, the churn passes through the inside stirring rake of agitator motor drive barrel and rotates, the bottom discharge mouth of churn is connected with auger conveyor's inlet pipe, auger conveyor's defeated material mouth is connected with the unloading pipe, auger conveyor's driving motor is the buncher for carry to dry-pressing powder quantitative.
In the above scheme, the stirring paddle inside the stirring drum comprises a first stirring paddle and a second stirring paddle, the first stirring paddle is located in the middle of the stirring shaft, and the second stirring paddle is located at the lower part of the stirring shaft.
In the above scheme, first stirring rake and second stirring rake are oblique strip column structure, and its inclination is the same with the barrel outer wall inclination of churn, first stirring rake and second stirring rake are respectively through connecting rod and (mixing) shaft fixed connection.
In the above scheme, the inside stirring rake of churn still includes the third stirring rake, the third stirring rake is located the bottom of (mixing) shaft to go deep into to the discharge gate in, the third stirring rake is the type of falling L structure, the bottom lateral surface at the (mixing) shaft is fixed to the third stirring rake.
In the scheme, the dry pressing powder conveying device further comprises a three-way gas conveying pipe, a top branch pipe of the three-way gas conveying pipe is connected with the vertical blanking pipe, a branch pipe on one side of the three-way gas conveying pipe is connected with the vent, and a branch pipe on the other side of the three-way gas conveying pipe is connected with the conveying pipe for dry pressing powder.
In the scheme, a rubber sealing ring is arranged between the periphery of the stirring cylinder and the cylinder cover.
Compared with the prior art, the invention has the beneficial effects that: the design of special stirring blades matched with the large-taper barrel is adopted, stirring is uniform, blanking is performed automatically, no residue exists on the inner wall of the barrel, cleaning work is omitted, the design of the three-way gas conveying pipe and the effective matching of the speed regulating motor of the auger conveyor realize continuous and quantitative stable conveying of powder, the problem of difficulty in continuous conveying of powder with poor flowability is effectively solved, and technical support is provided for automatic stable conveying of the powder.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;
FIG. 4 is a schematic side view of the present invention;
FIG. 5 is a schematic cross-sectional view taken along line B-B in FIG. 4;
FIG. 6 is a schematic structural view of the stirring paddle of the present invention.
Reference numbers in the figures: 1-a mixing drum; 11-a cartridge cover; 12-a stirring motor; 13-a first paddle; 14-a second stirring paddle; 15-a third stirring paddle; 2-a screw conveyer; 21-a feed pipe; 22-a blanking pipe; 3-a three-way gas pipe; 31-vent.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and examples.
Example 1, as shown in fig. 1 to 5, a quantitative dry-pressed powder feeder includes a mixing drum 1 and an auger conveyor 2, wherein the mixing drum 1 has a conical shape, and an included angle between two outer walls of the mixing drum is 45 to 75 degrees, so that powder can fall and gather at the bottommost part. The dry-pressing powder is directly conveyed to the interior of the cylinder body through a pipeline, and the feeding pipe is fixed on the cylinder edge.
The top of the mixing drum 1 is provided with a mixing motor 12 through a support rod, and the mixing drum 1 drives a mixing paddle inside the drum body to rotate through the mixing motor 12. Referring to fig. 3, the stirring paddles inside the stirring cylinder 1 include a first stirring paddle 13 and a second stirring paddle 14, the first stirring paddle 13 is located in the middle of the stirring shaft, the second stirring paddle 14 is located at the lower part of the stirring shaft, and the dry-pressed powder conveyed into the cylinder is uniformly stirred by the two stirring paddles. The first stirring paddle 13 and the second stirring paddle 14 are both in an oblique strip structure, the inclination of the first stirring paddle is the same as that of the outer wall of the stirring cylinder 1, and the stirring paddle blades are matched with the conical stirring cylinder. First stirring rake 13 and second stirring rake 14 are respectively through connecting rod and (mixing) shaft fixed connection, and this connecting rod can play the effect of joint support, can welded fastening in the paddle piece middle part of first stirring rake 13 or second stirring rake 14.
As a preferred scheme, the stirring paddle inside the stirring cylinder 1 further includes a third stirring paddle 15, the third stirring paddle 15 is located at the bottom of the stirring shaft and extends into the discharge port, the third stirring paddle 15 is of an inverted L-shaped structure, and the third stirring paddle 15 is fixed on the outer side surface of the bottom of the stirring shaft. The dry-pressed powder concentrated at the bottommost part of the conical stirring cylinder 1 is stirred by the third stirring paddle 15 and enters the auger conveyor 2 more uniformly.
Referring to fig. 6, the first stirring paddle 13 and the second stirring paddle 14 have the same structure, the second stirring paddle 14 is a U-shaped solid strip structure, and is inclined on a connecting rod fixed with the stirring shaft, and the vertical stirring rod of the third stirring paddle 15 is also a U-shaped solid strip structure, and can also be a round rod structure, both of which can realize stirring operation. In the embodiment, at least one of the first stirring paddle 13, the second stirring paddle 14 and the third stirring paddle 15 is provided, and if a plurality of stirring paddles are provided, the stirring paddles need to be symmetrically arranged or uniformly distributed according to the stirring shaft.
Certainly, the first stirring paddle 13 and the second stirring paddle 14 may not be manufactured as shown in the figure, and are manufactured into a scraper blade with radian, the scraping opening is matched with the rotation direction of the stirring motor 12, and when the stirring motor rotates, the powder attached to the inner wall of the stirring cylinder 1 can be scraped while the inner wall is stirred, so that the dry-pressing powder stirring effect is improved.
The design of the stirring paddle blade matched with the conical large-taper stirring cylinder body enables the powder fed into the stirring cylinder 1 to generate relative motion with the cylinder wall due to the continuous rotation of the stirring paddle blade, and the powder is separated from the cylinder wall discontinuously. Because the cylinder wall is designed to have large taper, the powder is continuously supplied to the feeding cavity of the auger under the action of gravity under the condition of self weight, and the effect of continuously feeding is achieved.
The bottom discharge port of the mixing drum 1 is connected with a feed pipe 21 of the auger conveyor 2, the feed port of the auger conveyor 2 is connected with a blanking pipe 22, and the blanking pipe 22 can be directly connected with a magnetic wet-pressing dry powder manufacturing machine. The driving motor of the auger conveyor 2 is a speed regulating motor and is used for quantitatively conveying dry-pressed powder, quantitative and uniform conveying can be realized through the speed change of the motor, and the powder can be conveyed at different speeds according to actual requirements.
The bottom of the auger conveyor 2 adopts a three-way feeding channel, and the powder freely descends along the pipeline under the condition of the rotation of the auger. The negative pressure air entering from the air vent 31 is mixed and then brought to a designated destination in the descending process, and the powder is brought away by the negative pressure air carrier when not contacting the bottom of the pipeline, so that the problem of difficult transmission caused by adhesion and accumulation of the powder at the bottom of the pipeline is effectively solved.
In embodiment 3, in addition to embodiment 1 or embodiment 2, a drum cover 11 is provided on the top of the mixing drum 1, and a rubber seal is provided between the outer periphery of the mixing drum 1 and the drum cover 11 to hermetically connect the joint of the drum cover 11 and the mixing drum 1. The cover 11 and the mixing drum 1 can be connected by a buckle cover or a direct cover, and one side of the top of the cover 11 is hermetically connected with a feeding pipe for conveying dry-pressed powder to the inside of the drum body of the mixing drum 1. The stirring motor 12 is installed at the center of the cylinder cover 11, and the cylinder cover 11 may be a circular plate structure or a semicircular structure. When the cylinder cover 11 is in a circular plate shape, a pipe opening for connecting powder feeding needs to be additionally arranged, and when a semicircular structure is adopted, the feeding pipe is directly inserted into the stirring cylinder 1 and is fixed on the cylinder edge.
When the powder conveying device is implemented, in the powder conveying process, powder is put into the conical stirring cylinder 1 at one time, the stirring motor 12 drives the stirring blades to rotate at a constant speed along the conical cylinder wall, and the blades and the cylinder wall move relatively, so that the powder and the cylinder wall are forcibly and uninterruptedly separated by external force. The powder smoothly falls to the feeding pipe 21 of the auger conveyor 2 under the condition of no cylinder wall adhesive force, the material is uninterruptedly fed to the auger conveyor 2, and the auger conveyor 2 can realize speed-adjustable rotation by the power provided by the speed-adjustable motor. Finally, the powder is continuously sent to the three-way gas pipe 3 by the material conveying pipe of the auger conveyor 2, when the powder freely descends, the powder is mixed by the negative pressure air entering from the air vent 31 and is taken to a designated position, and finally the purpose of continuously and quantitatively conveying the powder with poor fluidity is achieved.
According to the invention, the special stirring paddle is matched with the design of the large-taper barrel, so that the stirring is uniform and the blanking is automatic, no residue is left on the inner wall of the barrel, the cleaning work is avoided, the design of the three-way gas pipe 3 is effectively matched with the speed regulating motor of the auger conveyor 2, the continuous quantitative and stable conveying of the powder is realized, the problem of difficult continuous conveying of the powder with poor fluidity is effectively solved, and the technical guarantee is provided for the automatic and stable conveying of the powder.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a dry-pressing powder quantitative feeding machine which characterized in that: including churn (1) and auger conveyor (2), the appearance of churn (1) is coniform structure, agitator motor (12) are installed through the bracing piece at the top of churn (1), churn (1) is rotatory through the inside stirring rake of agitator motor (12) drive barrel, the bottom discharge mouth of churn (1) is connected with inlet pipe (21) of auger conveyor (2), the defeated material mouth of auger conveyor (2) is connected with unloading pipe (22), the driving motor of auger conveyor (2) is speed governing motor for carry dry-pressing powder ration.
2. The dry powder quantitative feeder according to claim 1, wherein: the stirring paddle inside the stirring cylinder (1) comprises a first stirring paddle (13) and a second stirring paddle (14), the first stirring paddle (13) is located in the middle of the stirring shaft, and the second stirring paddle (14) is located in the lower portion of the stirring shaft.
3. The dry powder quantitative feeder according to claim 2, wherein: first stirring rake (13) and second stirring rake (14) are oblique strip column structure, and its inclination is the same with the barrel outer wall inclination of churn (1), first stirring rake (13) and second stirring rake (14) are respectively through connecting rod and (mixing) shaft fixed connection.
4. The dry powder quantitative feeder according to claim 2, wherein: the inside stirring rake of churn (1) still includes third stirring rake (15), third stirring rake (15) are located the bottom of (mixing) shaft to go deep into to the discharge gate in, third stirring rake (15) are the type structure of falling L, the bottom lateral surface at the (mixing) shaft is fixed in third stirring rake (15).
5. The dry powder quantitative feeder according to claim 1, wherein: still include tee bend gas-supply pipe (3), the vertical unloading pipe (22) of top branch union coupling of tee bend gas-supply pipe (3), vent (31) are connected to tee bend gas-supply pipe (3) one side branch union coupling, the conveyer pipe of dry pressing powder is connected to tee bend gas-supply pipe (3) other side branch union coupling.
6. The dry powder quantitative feeder according to claim 1, wherein: and a rubber sealing ring is arranged between the periphery of the stirring cylinder (1) and the cylinder cover (11).
7. The dry powder quantitative feeder according to claim 1, wherein: the top of the mixing drum (1) is provided with a drum cover (11), and the mixing motor (12) is arranged at the circle center of the drum cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111120414.4A CN113842805A (en) | 2021-09-24 | 2021-09-24 | Dry-pressing powder quantitative feeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111120414.4A CN113842805A (en) | 2021-09-24 | 2021-09-24 | Dry-pressing powder quantitative feeding machine |
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| Publication Number | Publication Date |
|---|---|
| CN113842805A true CN113842805A (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111120414.4A Pending CN113842805A (en) | 2021-09-24 | 2021-09-24 | Dry-pressing powder quantitative feeding machine |
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| Country | Link |
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| CN (1) | CN113842805A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202029371U (en) * | 2011-04-14 | 2011-11-09 | 厦门市三和泰科技有限公司 | Stirring feed structure for an extruders |
| CN204619887U (en) * | 2015-05-12 | 2015-09-09 | 宁波大学 | A kind of overflow spiral conveying mixer |
| WO2020010840A1 (en) * | 2018-07-13 | 2020-01-16 | 湖南麦克斯搅拌捏合设备有限公司 | Portable powder feeding system |
| CN211612539U (en) * | 2019-12-15 | 2020-10-02 | 苏州特密达新材料有限公司 | Powder stirring device |
| CN211893716U (en) * | 2019-12-26 | 2020-11-10 | 河北铁园科技发展有限公司 | Powder packagine machine and powder stirring equipment for packing |
-
2021
- 2021-09-24 CN CN202111120414.4A patent/CN113842805A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202029371U (en) * | 2011-04-14 | 2011-11-09 | 厦门市三和泰科技有限公司 | Stirring feed structure for an extruders |
| CN204619887U (en) * | 2015-05-12 | 2015-09-09 | 宁波大学 | A kind of overflow spiral conveying mixer |
| WO2020010840A1 (en) * | 2018-07-13 | 2020-01-16 | 湖南麦克斯搅拌捏合设备有限公司 | Portable powder feeding system |
| CN211612539U (en) * | 2019-12-15 | 2020-10-02 | 苏州特密达新材料有限公司 | Powder stirring device |
| CN211893716U (en) * | 2019-12-26 | 2020-11-10 | 河北铁园科技发展有限公司 | Powder packagine machine and powder stirring equipment for packing |
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Application publication date: 20211228 |