CN216187852U - A prevent blockking up powder hopper that falls for 3D printer - Google Patents
A prevent blockking up powder hopper that falls for 3D printer Download PDFInfo
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- CN216187852U CN216187852U CN202121458203.7U CN202121458203U CN216187852U CN 216187852 U CN216187852 U CN 216187852U CN 202121458203 U CN202121458203 U CN 202121458203U CN 216187852 U CN216187852 U CN 216187852U
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Abstract
The utility model discloses an anti-blocking powder dropping hopper for a 3D printer, which comprises a powder dropping hopper, wherein the top of the powder dropping hopper is provided with a feeding hole, the bottom of the powder dropping hopper is provided with a discharging hole, the side wall of the powder dropping hopper is provided with a first opening, the side wall of the powder dropping hopper is provided with an inner lining plate through an elastic piece, the inner lining plate is positioned in the first opening, and the outer side of the inner lining plate is provided with a vibrating mechanism; according to the utility model, the first opening is formed in the side wall of the powder falling hopper, the inner lining plate is arranged in the first opening to replace part of the side wall of the powder falling hopper, the inner lining plate is connected with the side wall of the powder falling hopper through the elastic part, only a small part of the vibration of the inner lining plate can be transmitted to the powder falling hopper, namely, only a small part of the vibration generated by the vibration mechanism can be transmitted to the powder falling hopper, and the vibration generated by the vibration mechanism can be well acted on the inner lining plate, so that the vibration of the inner lining plate is stronger, and the anti-blocking effect is better.
Description
Technical Field
The utility model belongs to the technical field of 3D printing equipment, and particularly relates to an anti-blocking powder falling hopper for a 3D printer.
Background
Compared with traditional machining such as turning, milling, planing and the like, metal 3D printing is used as an additive manufacturing mode (additive manufacturing), various complex structures can be manufactured, the efficiency ratio of materials is fully exerted, and the method is one of the main modes of green manufacturing in the future. The method has the advantages that the creative innovation space of the product is expanded, designers are not restricted by the traditional process and manufacturing resources any more, the development and innovation cost of the product is reduced, the development and development period is shortened, and the process manufacturing capability is enhanced, so that the method has unique application prospects in the industrial fields of aerospace, biomedical, industrial molds, automobile manufacturing and the like, and particularly has more obvious advantages in small-batch multi-variety aerospace application and personalized medical appliances.
The existing powder falling hopper of the 3D printer has the problem of easy blockage, and particularly when the humidity of powder is too high, the powder is easy to agglomerate to block a discharge hole of the powder falling hopper, so that the transmission of the powder is influenced; in order to solve the problem that the powder falling hopper is easy to block, the traditional mode is that a vibration motor is arranged on the side surface of the powder falling hopper, so that the vibration motor vibrates integrally to enable powder accumulated on the side surface of the powder falling hopper to slide down, and the purpose of transferring the powder is achieved. However, the vibration motor is directly connected with the whole equipment, and the vibration motor is easy to cause resonance of the equipment when vibrating at high frequency, so that the stability of the equipment is influenced; and because vibrating motor and powder falling hopper lateral wall are rigid connection, vibrating motor's amplitude is less, when the humidity of powder is great, can't effectively solve the powder and pile up the problem of blockking up the powder falling hopper.
The patent with the publication number of CN203210528U discloses an anti-blocking concrete powder storage hopper, including the concrete mixer, install down the hopper on the concrete mixer, characterized by, the vibrating motor is installed to the below of hopper down. According to the utility model, the blanking hopper is vibrated by the vibration motor, so that powder can smoothly enter the stirrer. The lower part of the discharging hopper is provided with a conical matching vibration motor, so that powder is thoroughly discharged, and the production efficiency is improved. Although this patent has established vibrating motor to at vibrating motor and establish the rubber pad down between the hopper, the effect of this kind of structure is general, and when the powder was more or humidity was great, the problem of hopper under the unable effective solution powder piled up the jam.
The patent with publication number CN212526063U discloses a powder falling hopper anti-blocking device of a 3D printer, which comprises a powder falling hopper, wherein the top of the powder falling hopper is provided with a feeding hole; the bottom of the powder falling hopper is provided with a discharge hole which is communicated with an inlet of the powder feeding mechanism; the lateral wall of the powder falling hopper is provided with a vibration mechanism, and the vibration mechanism is arranged outside the lateral wall of the powder falling hopper through an elastic element. According to the utility model, the silica gel plate is arranged between the vibration motor and the baffle plate on the side wall of the powder falling hopper, on one hand, the silica gel plate can absorb residual vibration generated by the vibration motor, so that the resonance phenomenon of the whole equipment is avoided, and the stability and the service life of the whole equipment are improved; on the other hand, because the silica gel board is flexible elasticity material, vibration mechanism when the vibration, its amplitude range is great, can more effectively solve the powder and pile up the problem of blockking up the powder hopper that falls. Although the anti-blocking device of the powder falling hopper is the vibrating motor installed through the silica gel plate, the principle still drives the side wall of the powder falling hopper to vibrate through the vibrating motor to achieve the purpose of blocking prevention, the side wall of the powder falling hopper can drive the whole powder falling hopper to vibrate together, the effect generated by the vibrating motor is dispersed, the blocking prevention capacity is weaker, and the whole powder falling hopper vibrates together, so that the service life of the powder falling hopper and the service life of a part connected with the powder falling hopper can be influenced.
Therefore, the problem that when the vibration motor shakes and falls off materials, the vibration effect is dispersed, and the anti-blocking effect is poor is solved.
Disclosure of Invention
The utility model aims to provide an anti-blocking powder falling hopper for a 3D printer, and solves the problem that when a vibrating motor of the existing powder falling hopper shakes off materials, the vibration effect is dispersed, so that the anti-blocking effect is poor.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a prevent blockking up powder hopper that falls for 3D printer, includes the powder hopper that falls, the powder hopper top that falls is equipped with the feed inlet, the powder hopper bottom that falls is equipped with the discharge gate, first opening has been seted up to the lateral wall that falls the powder hopper, the interior welt is installed through the elastic component to the lateral wall that falls the powder hopper, interior welt is located in the first opening, the interior welt outside is equipped with vibrating mechanism.
According to the utility model, the side wall of the powder falling hopper is provided with the first opening, the inner lining plate is arranged in the first opening to replace part of the side wall of the powder falling hopper, the inner lining plate is connected with the side wall of the powder falling hopper through the elastic part, the vibration mechanism is arranged on the outer side of the inner lining plate and is used for driving the inner lining plate to vibrate, so that materials near the inner lining plate can be vibrated and scattered, the anti-blocking effect is achieved, the inner lining plate is flexibly connected with the side wall of the powder falling hopper, only a small part of the vibration of the inner lining plate can be transmitted to the powder falling hopper, namely, only a small part of the vibration generated by the vibration mechanism can be transmitted to the powder falling hopper, and the vibration generated by the vibration mechanism can be well applied to the inner lining plate, so that the vibration of the inner lining plate is stronger, and the anti-blocking effect is better; the elastic piece makes the vibration of the lining plate difficult to be transmitted to the powder falling hopper, the vibration of the powder falling hopper driven by the vibration mechanism can be effectively controlled, and the service life of the powder falling hopper and the service life of the parts connected with the powder falling hopper can be effectively prolonged; the lining plate is a rigid plate, and when the lining plate is driven to vibrate, the vibration effect is good, and the anti-blocking effect is good.
Specifically, the elastic part is a silica gel plate, and the silica gel plate is installed on the outer side of the side wall of the powder falling hopper through a fixing frame; the shape and the size of the fixing frame are matched with those of the silica gel plate and the side wall of the powder falling hopper; the silica gel plate is located fixed frame with between the powder hopper lateral wall that falls, the silica gel plate is used for installing interior welt at the first opening part of powder hopper lateral wall that falls, and silica gel plate and interior welt have covered first opening completely, and the material in the powder hopper that falls can't leak from first opening part, and the silica gel plate can also make the vibration of interior welt be difficult to transmit the powder hopper that falls on, can effectively improve the vibration effect, can also effectively improve the life who falls the powder hopper.
Furthermore, the fixing frame is provided with a plurality of mounting holes for installing the silica gel plate on the side wall of the powder falling hopper through bolts.
Specifically, the vibration mechanism comprises a vibration motor and a mounting bracket, wherein the vibration motor is mounted on the outer side of the inner lining plate through the mounting bracket; offer the second opening that supplies installing support and vibrating motor installation in the middle of the silica gel board, drive the interior bushing plate vibration through the vibrating motor who sets up, expect to prevent the effect of jam, vibrating motor direct mount is on interior bushing plate, and the vibration effect is good.
Furthermore, the powder falling hopper is in an inverted quadrangular frustum pyramid shape, and the 4 side walls of the powder falling hopper are in an inverted isosceles trapezoid shape.
Furthermore, first openings are formed in the side walls of the powder falling hopper, an inner lining plate is arranged at each first opening, and the number of the first openings can be selected according to actual needs.
Further, the opening of the first opening is in the shape of an inverted isosceles trapezoid, and the lining plate is in the shape of an inverted isosceles trapezoid; the distance from each edge of the lining plate to the side wall of the powder falling hopper is 10-15 mm; when the inner lining plate vibrates, the inner lining plate collides with the powder falling hopper, the silica gel plate can keep a larger area of the inner lining plate while preventing the vibration from being transmitted to the powder falling hopper as much as possible, the larger the area of the inner lining plate is, the larger the area of materials in the powder falling hopper can be vibrated, the better the anti-blocking effect is, and by limiting the distance from each edge of the inner lining plate to the side wall of the powder falling hopper, the vibration can be well prevented from being transmitted to the powder falling hopper, and the good anti-blocking effect can be achieved; the thickness of the lining plate is consistent with that of the side wall of the powder falling hopper.
Furthermore, the bottom of the powder falling hopper is provided with a stirring mechanism for preventing the discharge hole from being blocked, so that the anti-blocking effect of the powder falling hopper can be further improved.
Specifically, rabbling mechanism includes agitator motor, (mixing) shaft and stirring vane, and is a plurality of stirring vane installs on the (mixing) shaft, install through the bearing at the both ends of (mixing) shaft the lateral wall bottom of falling powder fill, the (mixing) shaft sets up along the horizontal direction, agitator motor installs outside the powder fill that falls, agitator motor's output shaft with the one end of (mixing) shaft is connected, and agitator motor can drive the (mixing) shaft and rotate, and then drives stirring vane and rotate, stirs the material that hardens together in the powder fill that falls.
Furthermore, an installation plate is arranged at the bottom of the powder falling hopper along the horizontal direction, and the stirring motor is installed on the installation plate; the mounting plate is provided with a third opening, and the shape, size and position of the third opening are matched with the discharge hole.
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the utility model, the side wall of the powder falling hopper is provided with the first opening, the inner lining plate is arranged in the first opening to replace part of the side wall of the powder falling hopper, the inner lining plate is connected with the side wall of the powder falling hopper through the elastic part, the vibration mechanism is arranged on the outer side of the inner lining plate and is used for driving the inner lining plate to vibrate, so that materials near the inner lining plate can be vibrated and scattered, the anti-blocking effect is achieved, the inner lining plate is flexibly connected with the side wall of the powder falling hopper, only a small part of the vibration of the inner lining plate can be transmitted to the powder falling hopper, namely, only a small part of the vibration generated by the vibration mechanism can be transmitted to the powder falling hopper, and the vibration generated by the vibration mechanism can be well applied to the inner lining plate, so that the vibration of the inner lining plate is stronger, and the anti-blocking effect is better; the elastic part makes the vibration of the lining plate difficult to be transmitted to the powder falling hopper, the vibration of the powder falling hopper driven by the vibration mechanism can be effectively controlled, and the service life of the powder falling hopper and the service life of the part connected with the powder falling hopper can be effectively prolonged.
(2) Through injecing every limit of interior bushing plate is to the distance of powder hopper lateral wall that falls, when avoiding interior bushing plate vibration, with fall the powder between fighting collision, the silica gel board is when stopping vibration transmission to the powder hopper that falls as far as possible, can also keep the great area of interior bushing plate, and the area of interior bushing plate is big more, and the area that can shake the interior material of powder hopper that falls is just also big more, can play fine anti-clogging effect.
(3) Can drive the (mixing) shaft through the agitator motor who sets up and rotate, and then drive stirring vane and rotate, stir the interior material that hardens together of powder hopper that falls, improve the anti-clogging effect of powder hopper that falls.
Drawings
FIG. 1 is a schematic structural diagram of an anti-clogging powder dropping hopper for a 3D printer according to the present invention;
FIG. 2 is a front view of an anti-clogging powder dropping funnel for a 3D printer according to the present invention;
FIG. 3 is a cross-sectional view of a hopper for dropping powder according to the present invention;
FIG. 4 is a schematic view of a silica gel plate according to the present invention;
FIG. 5 is a schematic view of the fixing frame structure of the present invention;
in the figure: 1. a powder falling hopper; 2. a feed inlet; 3. a discharge port; 4. a first opening; 5. an inner liner plate; 6. a silica gel plate; 7. A fixing frame; 8. mounting holes; 9. a vibration motor; 10. mounting a bracket; 11. a second opening; 12. a stirring motor; 13. A stirring shaft; 14. a stirring blade; 15. mounting a plate; 16. a third opening.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the embodiment provides an anti-blocking powder dropping hopper for a 3D printer, which includes a powder dropping hopper 1, a feeding port 2 is disposed at the top of the powder dropping hopper 1, a discharging port 3 is disposed at the bottom of the powder dropping hopper 1, a first opening 4 is disposed on a side wall of the powder dropping hopper 1, an inner lining plate 5 is mounted on the side wall of the powder dropping hopper 1 through an elastic member, the inner lining plate 5 is located in the first opening 4, a vibrating mechanism is disposed outside the inner lining plate 5, and the inner lining plate 5 is a steel plate.
According to the utility model, the side wall of the powder falling hopper 1 is provided with the first opening 4, the inner lining plate 5 is arranged in the first opening 4 to replace part of the side wall of the powder falling hopper 1, the inner lining plate 5 is connected with the side wall of the powder falling hopper 1 through the elastic part, the vibration mechanism is arranged outside the inner lining plate 5 and is used for driving the inner lining plate 5 to vibrate, so that materials near the inner lining plate 5 can be vibrated and dispersed, the anti-blocking effect is achieved, the inner lining plate 5 is flexibly connected with the side wall of the powder falling hopper 1, only a small part of the vibration of the inner lining plate 5 can be transmitted to the powder falling hopper 1, namely, only a small part of the vibration generated by the vibration mechanism can be transmitted to the powder falling hopper 1, and the vibration generated by the vibration mechanism can be well acted on the inner lining plate 5, so that the vibration of the inner lining plate 5 is stronger, and the anti-blocking effect is better; the elastic part makes the vibration of the inner lining plate 5 difficult to be transmitted to the powder dropping hopper 1, the vibration of the powder dropping hopper 1 driven by the vibration mechanism can be effectively controlled, and the service life of the powder dropping hopper 1 and parts connected with the powder dropping hopper 1 can be effectively prolonged; the lining plate 5 is a rigid plate, and when the lining plate is driven to vibrate, the vibration effect is good, and the anti-blocking effect is good.
Specifically, the elastic part is a silica gel plate 6, and the silica gel plate 6 is installed on the outer side of the side wall of the powder dropping hopper 1 through a fixing frame 7; the shape and the size of the fixing frame 7 are matched with those of the silica gel plate 6 and the powder dropping hopper 1; the silica gel plate 6 is positioned between the fixed frame 7 and the side wall of the powder dropping hopper 1, the silica gel plate 6 is used for installing the inner lining plate 5 at the first opening 4 of the side wall of the powder dropping hopper 1, the silica gel plate 6 and the inner lining plate 5 completely cover the first opening 4, the material in the powder dropping hopper 1 cannot leak from the first opening 4, the silica gel plate 6 can also make the vibration of the inner lining plate 5 difficult to transmit to the powder dropping hopper 1, the vibration effect can be effectively improved, and the service life of the powder dropping hopper 1 can be effectively prolonged; the inner lining plate 5 is attached to the silica gel plate 6 through glue, and the inner lining plate 5 can also be fixed on the silica gel plate 6 through bolts.
Furthermore, the fixing frame 7 is provided with a plurality of mounting holes 8 for mounting the silica gel plate 6 on the side wall of the powder dropping hopper 1 through bolts.
Specifically, the vibration mechanism comprises a vibration motor 9 and a mounting bracket 10, wherein the vibration motor 9 is mounted on the outer side of the inner lining plate 5 through the mounting bracket 10; a second opening 11 for mounting the mounting support 10 and the vibration motor 9 is formed in the middle of the silica gel plate 6, the inner lining plate 5 is driven to vibrate through the arranged vibration motor 9, the anti-blocking effect is expected, the vibration motor 9 is directly mounted on the inner lining plate 5, and the vibration effect is good.
Furthermore, the powder falling hopper 1 is in an inverted quadrangular frustum pyramid shape, and the 4 side walls of the powder falling hopper 1 are in an inverted isosceles trapezoid shape.
Furthermore, a plurality of side walls of the powder falling hopper 1 are provided with first openings 4, and each first opening 4 is provided with an inner lining plate 5, so that the number of the first openings 4 can be selected according to actual needs; in this embodiment, the first openings 4 are all formed in 4 side walls of the powder dropping hopper 1, and an inner lining plate 5 and a vibration motor 9 for driving the inner lining plate 5 to vibrate are arranged at each first opening 4.
Further, the opening shape of the first opening 4 is an inverted isosceles trapezoid, and the shape of the inner lining plate 5 is an inverted isosceles trapezoid; the distance from each edge of the lining plate 5 to the side wall of the powder falling hopper 1 is 10-15 mm; when the inner lining plate 5 vibrates, the inner lining plate 5 is prevented from colliding with the powder falling hopper 1, the silica gel plate 6 can keep a larger area of the inner lining plate 5 while preventing the vibration from being transmitted to the powder falling hopper 1 as much as possible, the larger the area of the inner lining plate 5 is, the larger the area of the material in the powder falling hopper 1 can be vibrated, the better the anti-blocking effect is, the distance from each edge of the inner lining plate 5 to the side wall of the powder falling hopper 1 is limited, so that the vibration can be prevented from being transmitted to the powder falling hopper 1 well, and the good anti-blocking effect can be achieved; the thickness of the lining plate 5 is consistent with that of the side wall of the powder falling hopper 1.
Further, the bottom of the powder falling hopper 1 is provided with a stirring mechanism for preventing the discharge port 3 from being blocked, so that the anti-blocking effect of the powder falling hopper 1 can be further improved.
Specifically, rabbling mechanism includes agitator motor 12, (mixing) shaft 13 and stirring vane 14, and is a plurality of stirring vane 14 is installed on (mixing) shaft 13, install through the bearing at the both ends of (mixing) shaft 13 the lateral wall bottom of falling powder fill 1, agitator shaft 13 sets up along the horizontal direction, agitator motor 12 installs outside falling powder fill 1, agitator motor 12's output shaft with the one end of (mixing) shaft 13 is connected, and agitator motor 12 can drive (mixing) shaft 13 and rotate, and then drives stirring vane 14 and rotate, stirs falling the interior material that hardens together of powder fill 1.
Further, a mounting plate 15 is arranged at the bottom of the powder falling hopper 1 along the horizontal direction, and the stirring motor 12 is mounted on the mounting plate 15; a third opening 16 is formed in the mounting plate 15, and the shape, size and position of the third opening 16 are matched with the discharge hole 3.
The working principle is as follows: the vibration of the vibration motor 9 is transmitted to the inner lining plate 5 through the mounting bracket 10, and the inner lining plate 5 vibrates to vibrate the hardened and blocked materials near the inner lining plate 5, so that the anti-blocking effect is achieved; the stirring motor 12 can drive the stirring shaft 13 to rotate, and further drive the stirring blade 14 to rotate, so as to stir the hardened materials near the discharge port 3 of the powder falling hopper 1, and play a role in preventing blockage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a prevent blockking up powder hopper that falls for 3D printer, includes the powder hopper that falls, the powder hopper top that falls is equipped with the feed inlet, the powder hopper bottom that falls is equipped with the discharge gate, its characterized in that, first opening has been seted up to the lateral wall that falls the powder hopper, the interior welt is installed through the elastic component to the lateral wall that falls the powder hopper, interior welt is located in the first opening, the interior welt outside is equipped with vibrating mechanism.
2. The anti-clogging powder dropping hopper for the 3D printer according to claim 1, wherein the elastic member is a silica gel plate, and the silica gel plate is installed on the outer side of the side wall of the powder dropping hopper through a fixing frame; the shape and the size of the fixing frame are matched with those of the silica gel plate and the side wall of the powder falling hopper; the silica gel plate is located between the fixing frame and the side wall of the powder falling hopper.
3. The anti-clogging powder dropping funnel for the 3D printer according to claim 2, wherein the fixing frame is provided with a plurality of mounting holes for mounting the silica gel plate on the side wall of the powder dropping funnel through bolts.
4. The anti-clogging powder dropping hopper for the 3D printer according to claim 2, wherein the vibrating mechanism comprises a vibrating motor and a mounting bracket, and the vibrating motor is mounted on the outer side of the inner lining plate through the mounting bracket; and a second opening for mounting the mounting bracket and the vibration motor is formed in the middle of the silica gel plate.
5. The anti-clogging powder dropping funnel for the 3D printer according to claim 1, wherein the powder dropping funnel is in an inverted quadrangular frustum pyramid shape, and 4 side walls of the powder dropping funnel are in an inverted isosceles trapezoid shape.
6. The anti-clogging powder dropping funnel for the 3D printer as claimed in claim 1, wherein a plurality of side walls of the powder dropping funnel are provided with first openings, and each first opening is provided with an inner lining plate.
7. The anti-clogging powder dropping funnel for the 3D printer according to claim 1, wherein the opening of the first opening is in the shape of an inverted isosceles trapezoid, and the inner lining plate is in the shape of an inverted isosceles trapezoid; the distance from each edge of the lining plate to the side wall of the powder falling hopper is 10-15 mm; the thickness of the lining plate is consistent with that of the side wall of the powder falling hopper.
8. The anti-clogging hopper for the 3D printer as claimed in claim 1, wherein the bottom of the hopper is provided with a stirring mechanism for preventing the discharge port from being clogged.
9. The anti-clogging powder dropping funnel for the 3D printer according to claim 8, wherein the stirring mechanism comprises a stirring motor, a stirring shaft and stirring blades, the stirring blades are installed on the stirring shaft, two ends of the stirring shaft are installed at the bottom of the side wall of the powder dropping funnel through bearings, the stirring shaft is arranged along the horizontal direction, the stirring motor is installed outside the powder dropping funnel, and an output shaft of the stirring motor is connected with one end of the stirring shaft.
10. The anti-clogging powder dropping funnel for the 3D printer according to claim 9, wherein a mounting plate is arranged at the bottom of the powder dropping funnel along the horizontal direction, and the stirring motor is mounted on the mounting plate; the mounting plate is provided with a third opening, and the shape, size and position of the third opening are matched with the discharge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121458203.7U CN216187852U (en) | 2021-06-29 | 2021-06-29 | A prevent blockking up powder hopper that falls for 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121458203.7U CN216187852U (en) | 2021-06-29 | 2021-06-29 | A prevent blockking up powder hopper that falls for 3D printer |
Publications (1)
| Publication Number | Publication Date |
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| CN216187852U true CN216187852U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121458203.7U Active CN216187852U (en) | 2021-06-29 | 2021-06-29 | A prevent blockking up powder hopper that falls for 3D printer |
Country Status (1)
| Country | Link |
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| CN (1) | CN216187852U (en) |
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2021
- 2021-06-29 CN CN202121458203.7U patent/CN216187852U/en active Active
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