Rotary trough for 3D printer

Abstract

The utility model belongs to the field of rotary troughs, and particularly relates to a rotary trough for a 3D printer, which comprises a trough, a heating sleeve is fixedly connected to the outer side of the trough, a trough cover is connected to the upper end of the trough through threads, an auxiliary discharging mechanism is arranged below the trough, a rotating shaft is mounted in the trough cover through a bearing, and a rotating shaft is mounted in the trough cover through a bearing. A first reamer is fixedly connected to the lower portion of the outer side of the rotating shaft, a filter hopper is slidably connected to the interior of the trough, and a frame is fixedly connected to the outer side of the rotating shaft. The fixing frame, the scraping plate, the spring and other structures are additionally arranged on the outer side of the rotating shaft, the scraping plate can be driven to rotate through the connecting nail in the rotating process of the rotating shaft, the inner wall of the trough can be cleaned in the rotating process of the scraping plate, and therefore raw materials can be effectively prevented from being bonded to the inner wall of the trough, and the service life of the trough is prolonged. And the springs can increase the attaching force between the scraping plates and the inner wall of the trough through elastic force, and the cleaning quality can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rotary trough, concretely to a rotary trough for 3D printer. BACKGROUND

[0002] In the process of 3D printer working, the material after melting needs to be provided to the printer's nozzle through the trough, according to the patent authorized announcement No. CN221089984U, a kind of rotary trough for 3D printer is disclosed, which comprises a fixed frame, the fixed frame top is fixedly installed with a suspension plate, and the suspension plate bottom is rotatably connected with a material frame;Feeding assembly, the feeding assembly bottom is fixedly connected with a rotating support column. When the printer needs to be used, the servo motor is operated to drive the second gear to rotate, when the second gear tooth surface is engaged with the first gear, the second gear will drive the first gear to rotate, and the vortex spring is charged at the same time, so that the rotation of the first gear drives the support frame at the upper end of the rotating support column to rotate together;

[0003] However, the existing technology needs to melt the raw materials during use, but the raw materials have certain viscosity, which is easy to adhere to the inner wall of the trough during melting, which is easy to cause the raw materials to be pasty, and during the conveying of the raw materials, only the rotating shaft drives the single reamer to rotate to provide conveying power, which causes the raw materials to flow slowly, which is easy to cause the pipe to be blocked. Therefore, the prior art needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of rotary trough for 3D printer, solve the problem that raw materials are easy to adhere to the inner wall of the trough and the flow rate of the material after melting is slow.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of rotary trough for 3D printer, including trough, the outer side of the trough is fixedly connected with heating jacket, the upper end of the trough is connected with trough cover by screw thread, the lower of the trough is provided with auxiliary discharge mechanism, the inside of the trough cover is rotatably connected with rotating shaft by bearing, the outer side lower part of the rotating shaft is fixedly connected with reamer one, the inside of the trough is slidably connected with filter hopper, the outer side of the rotating shaft is fixedly connected with frame, the inside of the frame is slidably connected with connecting nail, the outer side of the connecting nail is fixedly connected with support strip, the outer side of the support strip is fixedly connected with scraper, the outer side of the connecting nail is provided with spring, the upper end of the trough cover is installed with motor one.

[0006] Preferably, the auxiliary discharging mechanism comprises a discharging pipe, the lower end of the trough is provided with the discharging pipe through threaded connection, the inside of the discharging pipe is provided with a rotating shaft through bearing, the outside of the rotating shaft is fixedly connected with a reamer two, the outside of the discharging pipe is fixedly provided with a motor two, the end of the discharging pipe away from the motor two is fixedly connected with a tapered head, the inside of the tapered head is fixedly connected with a conveying pipe, the tapered head can reduce the cross-sectional area of conveying, increase the conveying pressure of raw materials, and then the flow rate of raw materials can be improved.

[0007] Preferably, the output shaft of the motor two is fixedly connected with the rotating shaft, the reamer two is rotatably connected with the discharging pipe, and the motor two can drive the rotating shaft to rotate.

[0008] Preferably, the filter hopper is connected with the rotating shaft through a bearing, and the reamer one is rotatably connected with the trough.

[0009] Preferably, one end of the spring is fixedly connected with the frame, the other end of the spring is fixedly connected with the supporting strip, the scraper is in contact with the inner wall of the trough, and the scraper can clean the inner wall of the trough.

[0010] Preferably, the output shaft of the motor one is fixedly connected with the upper end of the rotating shaft, the upper end of the trough cover is fixedly connected with a feeding connecting pipe, and the outer side of the trough is fixedly connected with a mounting frame.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a through the outside of rotating shaft adds fixed frame, scraper and spring and other structures, can drive the scraper to rotate through the connecting nail in the process of rotating of rotating shaft, the scraper can clean the inner wall of the trough in the process of rotating, thereby can effectively avoid that raw materials are bonded on the inner wall of the trough, and the spring can increase the adhesion of scraper and the inner wall of the trough through the elastic force, can effectively improve the cleaning quality.

[0013] 2、The utility model discloses a through filter hopper, discharging pipe and tapered head and other structures are added on the trough, when needing transporting raw materials, can increase the flow intensity of raw materials through the design of double reamer, can reduce the flow area of raw materials through tapered head simultaneously, can effectively improve the flow speed in the flow intensity increase's while flow area reduces, thereby can reduce the flow time of raw materials in the pipeline, can effectively keep the temperature of raw materials. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the overall structure perspective drawing of the utility model;

[0015] Figure 2 The utility model discloses a Figure 1 The front view section view of

[0016] Figure 3 The utility model discloses a Figure 1 The perspective enlarged view of the discharge pipe of

[0017] Figure 4 The utility model discloses a Figure 2 The A part structure enlarged view of

[0018] In the drawing: 1, trough, 2, heating jacket, 3, trough cover, 4, auxiliary discharge mechanism, 5, rotating shaft, 6, filter hopper, 7, reamer one, 8, frame, 9, connecting nail, 10, support strip, 11, scraper, 12, spring, 13, mounting frame, 14, motor one, 15, feed connecting pipe, 41, discharge pipe, 42, rotating shaft, 43, reamer two, 44, motor two, 45, conical head, 46, conveying pipe. Specific implementation

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of the utility model protection.

[0020] Please refer to Figure 1 、 Figure 2 、 Figure 4 A rotating type trough for 3D printer, including trough 1, the outer side of trough 1 is fixedly connected with heating jacket 2, the upper end of trough 1 is connected with trough cover 3 through screw thread, the lower of trough 1 is provided with auxiliary discharge mechanism 4, the inside of trough cover 3 is installed with rotating shaft 5 through bearing, the outer side lower part of rotating shaft 5 is fixedly connected with reamer one 7, the inside of trough 1 is slidably connected with filter hopper 6, the outer side of rotating shaft 5 is fixedly connected with frame 8, the inside of frame 8 is slidably connected with connecting nail 9, the outer side of connecting nail 9 is fixedly connected with support strip 10, the outer side of support strip 10 is fixedly connected with scraper 11, the outer side of connecting nail 9 is provided with spring 12, the upper end of trough cover 3 is installed with motor one 14.

[0021] Please refer to Figure 1 、 Figure 2 、 Figure 3, the auxiliary discharging mechanism 4 includes a discharging pipe 41, the lower end of the trough 1 is provided with the discharging pipe 41 through threaded connection, the inside of the discharging pipe 41 is provided with a rotating shaft 42 through bearing, the outer side of the rotating shaft 42 is fixedly connected with a reamer two 43, the outer side of the discharging pipe 41 is fixedly installed with a motor two 44, the end of the discharging pipe 41 away from the motor two 44 is fixedly connected with a tapered head 45, the inside of the tapered head 45 is fixedly connected with a conveying pipe 46, the tapered head 45 can reduce the cross-sectional area of conveying, increase the conveying pressure of raw materials, and then the flow rate of raw materials can be improved, the output shaft of the motor two 44 is fixedly connected with the rotating shaft 42, the reamer two 43 is rotatably connected with the discharging pipe 41, and the motor two 44 can drive the rotating shaft 42 to rotate.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 4 , the filter hopper 6 is connected with the rotating shaft 5 through a bearing, the reamer one 7 is rotatably connected with the trough 1, the filter hopper 6 can filter the raw materials that are not completely melted, one end of the spring 12 is fixedly connected with the frame 8, the other end of the spring 12 is fixedly connected with the supporting strip 10, the scraper 11 is in contact with the inner wall of the trough 1, the scraper 11 can clean the inner wall of the trough 1, the output shaft of the motor one 14 is fixedly connected with the upper end of the rotating shaft 5, the upper end of the tank cover 3 is fixedly connected with a feeding connecting pipe 15, the outer side of the trough 1 is fixedly connected with a mounting frame 13, and the mounting frame 13 can install the trough 1.

[0023] The specific implementation process of the utility model is as follows: in use, raw materials are supplied to the inside of the trough 1 through the feeding connecting pipe 15, then the heating jacket 2 is started to heat and melt the raw materials in the trough 1, the motor one 14 is started in the melting process, the motor one 14 drives the rotating shaft 5 to rotate, the rotating shaft 5 can drive the frame 8 to rotate in the process of rotating, the frame 8 can clean the inner wall of the trough 1 through the scraper 11 in the process of rotating, so that the raw materials are prevented from being bonded, when the raw materials are completely melted, they can flow into the lower part of the trough 1 through the filter hopper 6, and are discharged into the inside of the discharging pipe 41 through the rotation of the reamer one 7, then the motor two 44 is started, the motor two 44 drives the reamer two 43 to rotate through the rotating shaft 42, the reamer two 43 applies conveying force to the raw materials again, and the raw materials can enter the inside of the conveying pipe 46 after the tapered head 45, so that the flow rate of the raw materials is improved and the raw materials are transported.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rotating feed trough for a 3D printer, comprising a feed trough (1), characterized in that: A heating jacket (2) is fixedly connected to the outside of the material trough (1). A trough cover (3) is threadedly connected to the upper end of the material trough (1). An auxiliary discharge mechanism (4) is provided below the material trough (1). A rotating shaft (5) is installed inside the trough cover (3) through a bearing. A reamer (7) is fixedly connected to the lower part of the outside of the rotating shaft (5). A filter bucket (6) is slidably connected inside the material trough (1). A frame (8) is fixedly connected to the outside of the rotating shaft (5). A connecting pin (9) is slidably connected inside the frame (8). A support bar (10) is fixedly connected to the outside of the connecting pin (9). A scraper (11) is fixedly connected to the outside of the support bar (10). A spring (12) is provided on the outside of the connecting pin (9). A motor (14) is installed at the upper end of the trough cover (3).

2. The rotating feed trough for a 3D printer according to claim 1, characterized in that: The auxiliary discharge mechanism (4) includes a discharge pipe (41). The lower end of the material trough (1) is connected to the discharge pipe (41) by a thread. A rotating shaft (42) is installed inside the discharge pipe (41) by a bearing. A second reamer (43) is fixedly connected to the outside of the rotating shaft (42). A second motor (44) is fixedly installed on the outside of the discharge pipe (41). A conical head (45) is fixedly connected to the end of the discharge pipe (41) away from the second motor (44). A conveying pipe (46) is fixedly connected inside the conical head (45).

3. A rotating feed trough for a 3D printer according to claim 2, characterized in that: The output shaft of the second motor (44) is fixedly connected to the rotating shaft (42), and the second reamer (43) is rotatably connected to the discharge pipe (41).

4. A rotating feed trough for a 3D printer according to claim 1, characterized in that: The filter bucket (6) is connected to the rotating shaft (5) via a bearing, and the reamer (7) is rotatably connected to the material trough (1).

5. A rotating feed trough for a 3D printer according to claim 1, characterized in that: One end of the spring (12) is fixedly connected to the frame (8), the other end of the spring (12) is fixedly connected to the support bar (10), and the scraper (11) is in contact with the inner wall of the trough (1).

6. A rotating feed trough for a 3D printer according to claim 1, characterized in that: The output shaft of the motor (14) is fixedly connected to the upper end of the rotating shaft (5), the upper end of the trough cover (3) is fixedly connected to the feed connection pipe (15), and the outer side of the trough (1) is fixedly connected to the mounting bracket (13).

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