Powder bed working platform based on 3d printing technology

Abstract

The utility model discloses a powder bed working platform based on the 3d printing technology, and relates to the technical field of 3d printing. Comprising a 3d printing structure, the 3d printing structure comprises a printing frame, a sliding guide rail is fixedly mounted at the top of an inner cavity of the printing frame, a 3d printing gun is fixedly mounted on the outer wall of the bottom of the sliding guide rail, a sliding rod is fixedly mounted at the bottom of the inner side of the printing frame, and a driving guide rail block is slidably connected to the outer wall of the sliding rod; a fixing table is fixedly installed at the top of the driving guide rail block, the angle of the draught fan is controlled by starting the second driving motor, the angle of the draught fan can be better adjusted to be aligned to a printing opening of the 3d printing gun, and therefore the small driving motor in the draught fan can be started, the fan generates wind power to blow to the printing opening, and the printing effect of the 3D printing gun is improved. And a product printed at the bottom of the printing opening is cooled, and the problem that the printed product is melted due to the fact that the temperature of the printing gun is too high is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3d printing technical field, especially a powder bed work platform based on 3d printing technology. BACKGROUND

[0002] The prior art currently comprises five parts of a base, a Z-axis movement mechanism, a work platform rotating mechanism, a printing mechanism and a work platform movement mechanism. The work platform rotating mechanism is integrally installed on the work platform movement mechanism, so that the work platform has a rotating movement function in addition to the X and Y direction movement of the conventional 3D printer. The printing mechanism uses metal clay as the printing material and can print jewelry, artwork, engineering parts and the like. The utility model does not use a laser, saves a large amount of cost, uses common metal powder as the raw material, does not require fine powder, and has a wide application range. The size is moderate, meets the requirements of a desktop level, and is convenient for use in families, schools and the like. The structure is simple, the working efficiency is high, and the utility model is convenient and reliable.

[0003] However, the prior art still has deficiencies, such as the following aspects:

[0004] When the 3D printing gun prints a product, the powder is heated to melt the powder, which is then discharged onto the platform to cool and form. However, the temperature control is not good sometimes, which causes the 3D printed product to melt and accumulate together. UTILITY MODEL CONTENTS

[0005] The utility model provides a powder bed work platform based on 3d printing technology to solve the problems in the background art.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A powder bed work platform based on 3D printing technology, comprising a 3D printing structure, wherein the 3D printing structure comprises a printing frame, a sliding guide rail is fixedly installed at the top of the inner cavity of the printing frame, and a 3D printing gun is fixedly installed on the outer wall of the bottom of the sliding guide rail.

[0008] A sliding rod is fixedly installed at the bottom of the inner side of the printing frame, a driving guide rail block is slidably connected to the outer wall of the sliding rod, a fixed table is fixedly installed at the top of the driving guide rail block, a second driving motor is fixedly installed on the outer wall of the top of the fixed table, and a bracket is fixedly installed on the outer wall of the top of the fixed table.

[0009] Preferably, one end of the second driving motor is drivingly connected to a third gear, a fourth gear is engaged with the outer wall of the third gear, and a transmission rod is fixedly sleeved to the outer wall of the inner side of the fourth gear.

[0010] Preferably, the outer wall of the transmission rod and located inside the bracket is fixedly sleeved with a connecting block, the inner side of the bracket is rotationally connected with the outer wall of the transmission rod, and the outer wall of one side of the connecting block is fixedly installed with a fan.

[0011] Preferably, the outer wall of the fan cavity is fixedly installed with a motor bracket, the outer wall of one side of the motor bracket is fixedly installed with a small driving motor, one end of the small driving motor in transmission is rotationally connected with a fan located at the outer wall of the other side of the motor bracket, and the outer wall of one side of the fan is fixedly installed with a wind deflector.

[0012] Preferably, the outer wall of one side of the driving guide rail block is fixedly installed with a supporting block, and the outer wall of the supporting block is slidingly connected with a rotating table.

[0013] Preferably, the outer wall of the top of the rotating table is rotationally connected with a rotating column, the top of the outer wall of the rotating column is fixedly sleeved with a second gear, and the top of the rotating column and located on the upper surface of the second gear is fixedly installed with a printing table.

[0014] Preferably, the outer wall of the top of the rotating table and located on one side of the rotating column is fixedly installed with a first driving motor, one end of the top of the first driving motor in transmission is rotationally connected with a first gear, and the outer wall of the first gear is engaged with the outer wall of the second gear.

[0015] To sum up, the technical scheme mainly has the following beneficial effects:

[0016] By starting the second driving motor to control the angle of the fan, the fan can better adjust the angle to aim at the printing port of the 3D printing gun, so that the small driving motor inside the fan is started, the fan produces wind power to blow to the printing port, and the product printed at the bottom of the printing port is cooled. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a sectional view structural schematic diagram of the utility model;

[0019] Figure 3 It is a printing table bottom view structural schematic diagram of the utility model;

[0020] Figure 4 It is a fourth gear structural schematic diagram of the utility model;

[0021] Figure 5 It is a fan structural schematic diagram of the utility model.

[0022] In the diagram: 1. 3D printed structure; 11. Printed frame; 12. Sliding guide rail; 13. 3D printing gun; 14. Sliding rod; 141. Drive guide rail block; 1411. Support block; 142. Rotating table; 1421. Rotating column; 1422. Drive motor 1; 1423. Gear 1; 1424. Printing table; 1425. Gear 2; 143. Fixed table; 1431. Drive motor 2; 1432. Gear 3; 1433. Transmission rod; 1434. Bracket; 1435. Gear 4; 1436. Connecting block; 144. Fan; 1441. Small drive motor; 1442. Motor frame; 1443. Fan; 1444. Air guide plate. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0024] like Figure 1 - Figure 4 As shown, a powder bed working platform based on 3D printing technology includes a 3D printed structure 1, the 3D printed structure 1 includes a printing frame 11, a sliding guide rail 12 is fixedly installed on the top of the inner cavity of the printing frame 11, and a 3D printing gun 13 is fixedly installed on the outer wall of the bottom of the sliding guide rail 12.

[0025] A sliding rod 14 is fixedly installed at the bottom of the inner side of the printing frame 11. A drive guide block 141 is slidably connected to the outer wall of the sliding rod 14. A fixed platform 143 is fixedly installed on the top of the drive guide block 141. A second drive motor 1431 is fixedly installed on the outer wall of the top of the fixed platform 143. A bracket 1434 is fixedly installed on the outer wall of the top of the fixed platform 143.

[0026] It should be noted that in this embodiment, the 3D printing gun 13 is moved up, down, left, and right by the drive motor through the sliding block in the sliding guide rail 12, thereby controlling the 3D printing gun 13 to perform 3D printing. The bottom drive guide rail block 141 also slides on the outer wall of the sliding rod 14 through the internal drive structure, thereby driving the rotating table 142 to move back and forth. The fixed table 143 can move along the top of the drive guide rail block 141.

[0027] The outer wall of the third gear 1432 is engaged with the fourth gear 1435, the inner side of the fourth gear 1435 is fixedly sleeved with a transmission rod 1433, the outer wall of the transmission rod 1433 and the inner side of the support 1434 are fixedly sleeved with a connecting block 1436, the inner side of the support 1434 is rotatably connected with the outer wall of the transmission rod 1433, the outer wall of one side of the connecting block 1436 is fixedly installed with a fan 144, the inner wall of the fan 144 is fixedly installed with a motor frame 1442, one side of the motor frame 1442 is fixedly installed with a small driving motor 1441, one end of the small driving motor 1441 and the outer wall of the other side of the motor frame 1442 are drivingly connected with a fan 1443, and the outer wall of one side of the fan 144 is fixedly installed with a wind deflector 1444.

[0028] It should be noted that in this embodiment, by starting the one end of the second driving motor 1431 driving the third gear 1432 to rotate, the outer wall of the third gear 1432 is engaged with the fourth gear 1435, thereby driving the transmission rod 1433 to rotate, and then the outer wall of the transmission rod 1433 drives the connecting block 1436 to adjust the angle, so that the connecting block 1436 adjusts the angle of the fan 144, and the fan 144 is aligned with the bottom printing port of the 3D printing gun 13, thereby starting the small driving motor 1441 in the inner cavity of the fan 144, and the one end of the fan 144 drives the fan 1443 to rotate, thereby generating wind power, so that the wind is blown out of the wind deflector 1444.

[0029] The outer wall of one side of the driving guide rail block 141 is fixedly installed with a supporting block 1411, the outer wall of the supporting block 1411 is slidingly connected with a rotating table 142, the outer wall of the top of the rotating table 142 is rotatably connected with a rotating column 1421, the outer wall of the top of the rotating column 1421 is fixedly sleeved with a second gear 1425, the top of the rotating column 1421 and the upper surface of the second gear 1425 are fixedly installed with a printing table 1424, the outer wall of the top of the rotating table 142 and one side of the rotating column 1421 are fixedly installed with a first driving motor 1422, one end of the top of the first driving motor 1422 is drivingly connected with a first gear 1423, and the outer wall of the first gear 1423 is engaged with the outer wall of the second gear 1425.

[0030] Need to explain, in this embodiment, by starting a drive motor 1422 through a drive motor 1422 drive one end of the gear 1423 rotation, so that the outer wall of the gear 1423 and the gear 1425 mesh, so that it through the gear 1425 drive inside the rotating column 1421 rotation, thereby controlling the rotating column 1421 top printing platform 1424 rotation angle.

[0031] The working principle of the utility model: through the sliding block in the sliding guide rail 12, utilize driving motor to drive 3d printing gun 13 to move up and down left and right, thereby can control 3d printing gun 13 to carry out 3d printing, and the bottom drive guide rail block 141 is also through the inside drive structure and slides on the outer wall of sliding rod 14, thereby drive rotating table 142 to also get front and back movement effect, and fixed platform 143 and can follow drive guide rail block 141 top movement,

[0032] Then through the starting of a drive motor 1422 through a drive motor 1422 drive one end of the gear 1423 rotation, so that the outer wall of the gear 1423 and the gear 1425 mesh, so that it through the gear 1425 drive inside the rotating column 1421 rotation, thereby controlling the rotating column 1421 top printing platform 1424 rotation angle,

[0033] Then through the starting of a drive motor 1422 through a drive motor 1422 drive one end of the gear 1423 rotation, so that the outer wall of the gear 1423 and the gear 1425 mesh, so that it through the gear 1425 drive inside the rotating column 1421 rotation, thereby controlling the rotating column 1421 top printing platform 1424 rotation angle,

[0034] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A powder bed working platform based on 3d printing technology, comprising a 3d printing structure (1), characterized in that: The 3d printing structure (1) includes a printing frame (11), the top of the inner cavity of the printing frame (11) is fixedly installed with a sliding guide rail (12), and the outer wall of the bottom of the sliding guide rail (12) is fixedly installed with a 3d printing gun (13); The bottom of the inner side of the printing frame (11) is fixedly installed with a sliding rod (14), the outer wall of the sliding rod (14) is slidably connected with a driving guide rail block (141), the top of the driving guide rail block (141) is fixedly installed with a fixed table (143), the outer wall of the top of the fixed table (143) is fixedly installed with a second driving motor (1431), and the outer wall of the top of the fixed table (143) is fixedly installed with a support (1434).

2. The powder bed work platform based on 3D printing technology according to claim 1, characterized in that: One end driven by the second driving motor (1431) is in driving connection with a third gear (1432), the outer wall of the third gear (1432) is in engagement with a fourth gear (1435), and the outer wall of the inner side of the fourth gear (1435) is fixedly sleeved with a transmission rod (1433).

3. The powder bed work platform based on 3D printing technology according to claim 2, characterized in that: The outer wall of the transmission rod (1433) and the inner side of the support (1434) are fixedly sleeved with a connecting block (1436), the inner side of the support (1434) and the outer wall of the transmission rod (1433) are in rotary connection, and the outer wall of one side of the connecting block (1436) is fixedly installed with a fan (144).

4. The powder bed work platform based on 3D printing technology according to claim 3, characterized in that: The outer wall of the inner cavity of the fan (144) is fixedly installed with a motor bracket (1442), the outer wall of one side of the motor bracket (1442) is fixedly installed with a small driving motor (1441), one end driven by the small driving motor (1441) and located on the outer wall of the other side of the motor bracket (1442) is in driving connection with a fan (1443), and the outer wall of one side of the fan (144) is fixedly installed with a wind deflector (1444).

5. The powder bed work platform based on 3D printing technology according to claim 1, characterized in that: The outer wall of one side of the driving guide rail block (141) is fixedly installed with a supporting block (1411), and the outer wall of the supporting block (1411) is slidably connected with a rotating table (142).

6. The powder bed work platform based on 3D printing technology according to claim 5, characterized in that: The outer wall of the top of the rotating table (142) is rotatably connected with a rotating column (1421), the outer wall of the top of the rotating column (1421) is fixedly sleeved with a second gear (1425), and the top of the rotating column (1421) and located on the upper surface of the second gear (1425) is fixedly installed with a printing table (1424).

7. A powder bed work platform based on 3D printing technology according to claim 6, characterized in that: The outer wall of the top of the rotating table (142) and located on one side of the rotating column (1421) is fixedly installed with a first driving motor (1422), one end driven by the top of the first driving motor (1422) is in driving connection with a first gear (1423), and the outer wall of the first gear (1423) is in engagement with the outer wall of the second gear (1425).

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