CN218252906U - A unloading shop powder device for metal powder 3D printer - Google Patents

Abstract

The utility model belongs to the technical field of the 3D printer technique and specifically relates to a powder device is spread to unloading for metal powder 3D printer. Including the base, its characterized in that: base one side be equipped with unloading mechanism, unloading mechanism one side is equipped with spreads whitewashed mechanism, unloading mechanism include the workbin, stir whitewashed axle, roller flower, flitch down, be equipped with in the workbin and stir the whitewashed axle, stir whitewashed axle below and be equipped with roller flower, roller flower one-to-one side connection motor is one, roller flower outer fringe is equipped with a plurality of silos to roller flower outer fringe and workbin inner wall looks butt are equipped with the discharge gate on the workbin of roller flower below, spread whitewashed mechanism include round roller, roller flower two, lie in discharge gate one side and be equipped with round roller, roller flower two respectively. Compared with the prior art, the existing blanking structure from back to front is changed into a blanking structure from top to bottom, the powder cylinder is filled with the powder before printing is not needed, the controllability of powder blanking is realized, and the uniformity of powder laying in blanking is improved.

Description

A unloading shop powder device for metal powder 3D printer

Technical Field

The utility model belongs to the technical field of the 3D printer technique and specifically relates to a powder device is spread to unloading for metal powder 3D printer.

Background

With the progress of the times, 3D printing is increasingly appearing in the visual field of people, 3D printing technology is focused by more technicians, and printable materials are more and more, which can be mainly divided into two major categories, namely plastic and metal powder. The difficulty of the metal powder 3D printer is in ensuring the precision, and factors influencing the precision are many, wherein the key is how to ensure the uniform blanking of the metal powder. The structure that most adopt on the market at present is material loading around, sets up a liftable powder jar of dress metal powder behind print platform, then comes on with the powder propelling movement to print platform through a round roller that can the seesaw. However, this structure has some disadvantages, such as that the powder cylinder must be filled with powder before printing, which may cause uneven powder loading and powder spreading, and thus the printing effect is affected.

Aiming at the phenomenon, the device changes the feeding mode, changes the traditional feeding mode from back to front into the feeding mode from top to bottom, and the feeding mode well solves the problem of non-uniformity of feeding and powder spreading and does not need to fill a feeding container above before printing.

Disclosure of Invention

The utility model discloses an overcome prior art's is not enough, provides an unloading powder paving device for metal powder 3D printer, changes the current unloading structure by back forward into from top to bottom, fills the powder with the powder jar before need not to print, realizes the controllability of powder unloading, improves the homogeneity that the powder was spread in the unloading.

For realizing above-mentioned purpose, design a powder device is spread in unloading for metal powder 3D printer, including the base, its characterized in that: base one side be equipped with unloading mechanism, unloading mechanism one side is equipped with spreads whitewashed mechanism, unloading mechanism include the workbin, stir whitewashed axle, roller flower one, flitch down, be equipped with in the workbin and stir whitewashed axle, stir whitewashed axle below and be equipped with roller flower one, roller flower one-to-one side connection motor one, roller flower outer fringe is equipped with a plurality of silos to roller flower outer fringe and workbin inner wall looks butt are equipped with the discharge gate on the workbin of roller flower below, spread whitewashed mechanism include round roller, roller flower two, be located discharge gate one side and be equipped with round roller, roller flower two respectively.

The left side and the right side below the discharge port are respectively provided with 2 relatively arranged blanking plates, and a blanking port is formed between the 2 blanking plates.

One side of the material box is connected with a vibration motor through a connecting plate.

One side below the powder stirring shaft is provided with a guide plate which is obliquely arranged.

And a curing lamp is arranged on one side of the blanking mechanism.

The blanking mechanism is provided with a printing platform below, and the light of the curing lamp irradiates the printing platform.

One side of the powder stirring shaft is connected with a second motor.

One side of the round roller is connected with an output shaft of the motor III through a synchronous belt, and one side of the fancy roller is connected with an output shaft of the motor IV through a synchronous belt II.

The base lower extreme connect actuating mechanism, actuating mechanism includes connecting piece, transmission shaft, hold-in range three, motor five, is located base below both sides and is equipped with the transmission shaft respectively, hold-in range three is established to the cover on two transmission shafts, the base is connected through the connecting piece to three one end of hold-in range, wherein the transmission shaft of one side connects motor five.

One side of the base is provided with a support frame, the top end of the support frame is provided with a slide rail, and the upper end of the slide rail is connected with one end of the base.

Compared with the prior art, the utility model, change current by last blanking structure down into by last blanking structure before, need not to fill the powder jar with the powder before printing, realize the controllability of powder unloading, improve the homogeneity that the powder was spread in the unloading.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

FIG. 3 isbase:Sub>A cross-sectional view taken along direction A-A of FIG. 2.

Fig. 4 is a partial enlarged view of the first embossing roll of the present invention.

Fig. 5 is a schematic structural diagram of the driving mechanism of the present invention.

Referring to fig. 1 to 5, wherein 1 is a curing lamp, 2 is a discharging mechanism, 21 is a powder stirring shaft, 22 is a bin, 23 is a first pattern roller, 24 is a discharging plate, 25 is a discharging opening, 26 is a discharging opening, 27 is a first motor, 28 is a second motor, 29 is a trough, 210 is a guide plate, 3 is a vibration motor, 31 is a connecting plate, 4 is a powder spreading mechanism, 41 is a round roller, 42 is a second pattern roller, 43 is a first synchronous belt, 44 is a third motor, 45 is a fourth motor, 5 is a printing platform, 6 is a base, 71 is a connecting piece, 72 is a transmission shaft, 73 is a third synchronous belt, 74 is a fifth motor, 75 is a connecting plate, 76 is a support frame, and 77 is a sliding rail.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1 to 5, 6 one sides of the base are provided with the discharging mechanism 2, one side of the discharging mechanism 2 is provided with the powder spreading mechanism 4, the discharging mechanism 2 comprises a material box 22, a powder stirring shaft 21, a first cotton roller 23 and a discharging plate 24, the powder stirring shaft 21 is arranged in the material box 22, the first cotton roller 23 is arranged below the powder stirring shaft 21, one side of the first cotton roller 23 is connected with a first motor 27, the outer edge of the first cotton roller 23 is provided with a plurality of material grooves 29, the outer edge of the first cotton roller 23 is abutted against the inner wall of the material box 22, a discharging hole 26 is formed in the material box 22 below the first cotton roller 23, the powder spreading mechanism 4 comprises a round roller 41 and a second cotton roller 42, and one side of the discharging hole 26 is provided with the round roller 41 and the second cotton roller 42 respectively.

One side of the material box 22 is connected with the vibrating motor 3 through a connecting plate 31, and the vibrating motor 3 plays a vibrating role in the material box 22 and is beneficial to powder blanking.

One side below the powder stirring shaft 21 is provided with a guide plate 210 which is obliquely arranged.

One side of the blanking mechanism is provided with a curing lamp 1. A printing platform 5 is arranged below the blanking mechanism 2, and the light of the curing lamp 1 irradiates the printing platform 5.

One side of the powder stirring shaft 21 is connected with a second motor 28.

One side of the round roller 41 is connected with an output shaft of a motor III 44 through a synchronous belt I43, and one side of the pattern roller 42 is connected with an output shaft of a motor IV 45 through a synchronous belt II.

The lower end of the base 6 is connected with a driving mechanism, the driving mechanism comprises a connecting piece 71, transmission shafts 72, three synchronous belts 73 and five motors 74, the transmission shafts 72 are arranged on two sides below the base 6 respectively, the three synchronous belts 73 are sleeved on the two transmission shafts 72, one end of each synchronous belt 73 is connected with the base 6 through the connecting piece 71, and the transmission shaft 72 on one side is connected with the five motors 74.

A supporting frame 76 is arranged on one side of the base 6, a sliding rail 77 is arranged at the top end of the supporting frame 76, and one end of the base 6 is connected to the upper end of the sliding rail 77.

The utility model discloses during the use, 6 below settings print platform 5 of base, powder from unloading mechanism 2 flows to print platform 5 on, spread powder mechanism 4 motion after that, evenly spread the powder on print platform 5. After the powder is evenly spread on print platform 5, the metal bond is spouted on the powder to the printing shower nozzle of 3D printer, and curing light 1 solidification metal bond at this moment accomplishes and prints.

When the blanking mechanism 2 works, metal powder is poured into a material box 22 of the blanking mechanism 2, and the powder stirring shaft 21 is used for stirring, so that the powder is more dispersed, and the blanking is facilitated. Then, under the left and right directions of the guide plate 210, the powder flows into the trough 29 of the first engraved roller 23, the first engraved roller 23 is driven by the first motor 27 to rotate, the powder in the trough 29 is rotated to the lower side, and the powder flows onto the printing platform 5 from the discharge port 26 under the action of gravity.

When the powder paving mechanism 4 works, the motor III 44 drives the round roller 41 to rotate through the synchronous belt I43, and the motor IV 45 drives the pattern roller II 42 to rotate through the synchronous belt II. And under the action of the round roller 41 and the second patterned roller 42, the powder on the printing platform 5 is uniformly spread.

When the powder feeding device is used specifically, the rotating speed of the first motor 27 can be controlled, so that the rotating speed of the first embossing roller 23 is controlled, the feeding speed is adjusted, and the controllability of powder feeding is realized.

The utility model discloses during the use, drive unloading mechanism 2, shop powder mechanism 4 motion through actuating mechanism to drive unloading mechanism 2, shop powder mechanism 4 different positions on print platform 5 unloading, shop powder. When the driving mechanism works, the five motor 74 drives the transmission shaft 72 on one side to rotate, and drives the three synchronous belts 73 to rotate on the two transmission shafts 72, so that the base 6 is driven to move on the sliding rails 77, and the movement of the blanking mechanism 2 and the powder spreading mechanism 4 is realized.

When the driving mechanism is used, the two transmission shafts 72 are connected to the support frame 76 through the connecting plate 75.

Example two:

this embodiment is only different from the first embodiment, and the description of the same parts will not be repeated.

The difference between this embodiment and the first embodiment is that in this embodiment, 2 oppositely arranged blanking plates 24 are respectively disposed at the left and right sides below the discharge port 26, and the discharge port 25 is formed between the 2 blanking plates 24. The position of the feed opening 25 matches the position of the discharge opening 26.

When the discharging device is used specifically, the discharging can be completed by adjusting the positions of the 2 discharging plates so as to adjust the size of the discharging opening 25 and matching the first embossing roller 23.

The feed opening 25 is funnel-shaped in this embodiment.

Claims (10)

1. The utility model provides a powder device is spread in unloading for metal powder 3D printer, includes the base, its characterized in that: base (6) one side be equipped with unloading mechanism (2), unloading mechanism (2) one side is equipped with shop's powder mechanism (4), unloading mechanism (2) including workbin (22), stir powder axle (21), roller (23), unloading board (24), be equipped with in workbin (22) and stir powder axle (21), stir powder axle (21) below and be equipped with roller (23), motor (27) is connected to roller (23) one side, roller (23) outer fringe is equipped with a plurality of silos (29) to roller (23) outer fringe and workbin (22) inner wall looks butt are equipped with discharge gate (26) on workbin (22) of roller (23) below, shop's powder mechanism (4) including roller (41), roller (42), be located discharge gate (26) one side and be equipped with roller (41), roller (42) respectively.

2. The blanking and powder spreading device for the metal powder 3D printer according to claim 1, characterized in that: the left side and the right side below the discharge port (26) are respectively provided with 2 relatively arranged blanking plates (24), and a discharge port (25) is formed between the 2 blanking plates (24).

3. The blanking and powder laying device for the metal powder 3D printer according to claim 1, characterized in that: one side of the feed box (22) is connected with the vibration motor (3) through a connecting plate (31).

4. The blanking and powder laying device for the metal powder 3D printer according to claim 1, characterized in that: one side below the powder stirring shaft (21) is provided with a guide plate (210) which is obliquely arranged.

5. The blanking and powder spreading device for the metal powder 3D printer according to claim 1, characterized in that: and a curing lamp (1) is arranged on one side of the blanking mechanism.

6. The blanking and powder laying device for the metal powder 3D printer according to claim 5, characterized in that: unloading mechanism (2) below be equipped with print platform (5), the light of curing lamp (1) shines to print platform (5).

7. The blanking and powder laying device for the metal powder 3D printer according to claim 1, characterized in that: one side of the powder stirring shaft (21) is connected with a second motor (28).

8. The blanking and powder laying device for the metal powder 3D printer according to claim 1, characterized in that: one side of the circular roller (41) is connected with an output shaft of a motor III (44) through a synchronous belt I (43), and one side of the cotton roller II (42) is connected with an output shaft of a motor IV (45) through a synchronous belt II.

9. The blanking and powder laying device for the metal powder 3D printer according to claim 1, characterized in that: base (6) downside be equipped with actuating mechanism, actuating mechanism includes connecting piece (71), transmission shaft (72), hold-in range three (73), five (74) of motor, be located base (6) below both sides and be equipped with transmission shaft (72) respectively, hold-in range three (73) are established to two transmission shaft (72) shang cover, hold-in range three (73) one end is passed through connecting piece (71) and is connected base (6), wherein five (74) of motor are connected in transmission shaft (72) of one side.

10. The blanking and powder laying device for the metal powder 3D printer according to claim 9, characterized in that: one side of the base (6) is provided with a support frame (76), the top end of the support frame (76) is provided with a slide rail (77), and the upper end of the slide rail (77) is connected with one end of the base (6).

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