Pick-up device for 3D printer

Abstract

The utility model relates to the field of 3D printing piece taking and blanking, and discloses a piece taking device for a 3D printer, which comprises a 3D printing base, the upper side of the 3D printing base is fixedly connected with a printing workbench, a plurality of punched holes are formed in the printing workbench in a penetrating manner, and the punched holes are distributed on the printing workbench in a matrix manner; the upper side of the printing workbench is provided with a plurality of punched holes, the inner side of each punched hole is slidably connected with an ejector rod capable of sliding up and down, and the plurality of ejector rods can eject a printing piece out of the upper side of the printing workbench and realize separation of the printing piece. The ejector rods arranged in a matrix form are arranged on the lower side of the printing workbench, and through the toothed plate linkage mechanism, the plurality of ejector rods can be used at the same time; the side face structure of the printed piece cannot be damaged during piece taking, and the piece taking device has the advantages of being stable in piece taking and good in piece taking effect.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing blanking, in particular to a picking device for a 3D printer. Background Art

[0002] After 3D printing, since the high-temperature molten metal or non-metal powder materials stack and solidify, they adhere firmly to the 3D printer base, resulting in difficult blanking of the printed parts after 3D printing. The existing picking devices for 3D printers add devices such as flat shovels on the printing base of the 3D printer. Although it can achieve an auxiliary picking effect, in actual use scenarios, the following technical problems generally exist:

[0003] As a precision instrument, adding a flat shovel device to the printing base area of the 3D printer may occupy the printing space on the 3D printer and have a certain impact on the printing quality of the 3D printer. In addition, whether pushing hard with a flat shovel or cutting from the side of the printer with a utility knife or spatula, it may cause damage to the side of the printed part;

[0004] In summary, a picking device for a 3D printer that can solve the above problems is proposed. Content of the Utility Model

[0005] To solve the technical problem of difficult picking of 3D printers, the utility model provides a picking device for a 3D printer.

[0006] The utility model is realized by adopting the following technical solutions: A picking device for a 3D printer includes a 3D printing base, and a printing workbench is fixedly connected to the upper side of the 3D printing base. A plurality of punching holes are formed through the printing workbench, and the plurality of punching holes are distributed in a matrix on the printing workbench. A top rod that can slide up and down is slidably connected to the inside of each punching hole. The plurality of top rods can eject the printed part from the upper side of the printing workbench and realize the separation of the printed part. A rack linkage mechanism for simultaneously moving the plurality of top rods up and down is arranged between the printing workbench and the 3D printing base.

[0007] As a further improvement of the above solution, the rack linkage mechanism includes a plurality of limiting platforms fixedly connected to the inner bottom of the 3D printing base. A clamping groove is formed in each of the plurality of limiting platforms, and a clamping plate is slidably connected to the inside of each clamping groove. The plurality of clamping plates are distributed in a linear array, and a rack cluster mechanism for making adjacent two clamping plates move alternately is arranged on the plurality of clamping plates. A convex block pushing mechanism for pushing the top rod to move upward is arranged on each clamping plate.

[0008] As a further improvement of the above solution, the toothed plate cluster mechanism includes a first toothed plate and a second toothed plate fixedly connected to both sides of each clamping plate respectively. A gear rotatably connected to the bottom side of the 3D printing base is arranged between every two adjacent clamping plates. Each gear meshes with the first toothed plate on one side of the clamping plate and the second toothed plate on the other side of the clamping plate simultaneously. An electric motor driving mechanism for simultaneously rotating a plurality of gears is arranged inside the 3D printing base.

[0009] As a further improvement of the above solution, the bump pushing mechanism includes a plurality of bumps fixedly connected to the upper side of each clamping plate. A spherical push block is arranged above each bump in a paired manner. Each spherical push block is fixedly connected to the lower end of each ejector rod. An elastic component for resetting the ejector rod is arranged on the upper side of each spherical push block.

[0010] As a further improvement of the above solution, the elastic component includes a spring arranged between each spherical push block and the lower side of the printing table. Each spring is sleeved outside the ejector rod. The upper end of each spring is fixedly connected to the lower side of the printing table and the lower end is fixedly connected to the upper side of the spherical push block.

[0011] As a further improvement of the above solution, the electric motor driving mechanism includes a servo motor fixedly connected to the bottom side of the 3D printing base. The output end of the servo motor is fixedly connected with a threaded rod. One end of the threaded rod is in threaded socket connection with a clamping plate located in the middle of the bottom side of the 3D printing base.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The present utility model is provided with ejector rods arranged in a matrix form on the lower side of the printing table. Through the toothed plate linkage mechanism, the effect of simultaneously using a plurality of ejector rods to eject the printed part from below the printing table can be achieved, and the side structure of the printed part will not be damaged during part taking, which has the characteristics of stable part taking and good part taking effect.

[0014] 2. By arranging the part taking device below the printing table, the present utility model will not occupy the printing space above the 3D printer and will not interfere with the printed part being printed above, which is beneficial to improving the quality of the printed part. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view of a part taking device for a 3D printer provided by the present utility model;

[0016] Figure 2 is the first cross-sectional view of the present utility model;

[0017] Figure 3 is the second cross-sectional view of the present utility model;

[0018] Figure 4 Schematic diagram of the distribution of the printing workbench (2) and the spring (9) in the present utility model.

[0019] Main symbol description:

[0020] 1. 3D printing base; 2. Printing workbench; 3. Punching hole; 4. Ejector rod; 5. Servo motor; 6. Threaded rod; 7. Clamping plate; 8. Limiting platform; 9. Spring; 10. First toothed plate; 11. Spherical push block; 12. Convex block; 13. Gear; 14. Second toothed plate. Specific implementation manners

[0021] Next, in combination with the accompanying drawings and specific implementation manners, the present utility model will be further described. It should be noted that, on the premise of no conflict, the following described embodiments or technical features can be combined arbitrarily to form new embodiments.

[0022] Embodiment:

[0023] Please refer to Figure 1 - Figure 4 , a pick-up device for a 3D printer in this embodiment includes a 3D printing base 1. A printing workbench 2 is fixedly connected to the upper side of the 3D printing base 1. Fifteen punching holes 3 are formed through the printing workbench 2, and the fifteen punching holes 3 are arranged in a matrix on the printing workbench 2. A vertically slidable ejector rod 4 is slidably connected to the inside of each punching hole 3. The plurality of ejector rods 4 can eject the printed part from the upper side of the printing workbench 2 and realize the separation of the printed part. A toothed plate linkage mechanism for simultaneously moving the plurality of ejector rods 4 up and down is provided between the printing workbench 2 and the 3D printing base 1.

[0024] Please refer to Figure 2 and Figure 3 As shown, the toothed plate linkage mechanism includes a plurality of limiting platforms 8 fixedly connected to the inner bottom of the 3D printing base 1. Slots are formed in each of the five limiting platforms 8. A clamping plate 7 is slidably connected to the inside of each slot. The five clamping plates 7 are linearly arrayed. A toothed plate cluster mechanism for making adjacent two clamping plates 7 move alternately is provided on the five clamping plates 7. Each clamping plate 7 is provided with a convex block pushing mechanism for pushing the ejector rod 4 upward.

[0025] Please refer to Figure 3 As shown, the toothed plate cluster mechanism includes a first toothed plate 10 and a second toothed plate 14 respectively fixedly connected to both sides of each clamping plate 7. A gear 13 rotatably connected to the bottom side of the 3D printing base 1 is provided between adjacent two clamping plates 7. Each gear 13 is simultaneously meshed with the first toothed plate 10 on one side clamping plate 7 and the second toothed plate 14 on the other side clamping plate 7. An electric motor driving mechanism for simultaneously rotating the plurality of gears 13 is provided inside the 3D printing base 1.

[0026] Please refer to Figure 2As shown, the bump pushing mechanism includes 4 bumps 12 fixedly connected to the upper side of each clamping plate 7. The structure of the bump 12 is as Figure 2 shown, which is used for arc smooth design. Above each bump 12, a spherical push block 11 is paired and arranged. The highest point of the bump 12 is higher than the height of the lower side of the spherical push block 11 in the natural hanging state of the spring 9. When the bump 12 translates, the two can be squeezed to push the spherical push block 11 upward. Each spherical push block 11 is fixedly connected to the lower end of each ejector rod 4. An elastic component for resetting the ejector rod 4 is arranged on the upper side of each spherical push block 11.

[0027] Please combine with Figure 2 shown, the elastic component includes a spring 9 arranged between each spherical push block 11 and the lower side of the printing table 2. Each spring 9 is sleeved outside the ejector rod 4. The upper end of each spring 9 is fixedly connected to the lower side of the printing table 2 and the lower end is fixedly connected to the upper side of the spherical push block 11.

[0028] Please combine with Figure 2 shown, the motor driving mechanism includes a servo motor 5 fixedly connected to the bottom side of the 3D printing base 1. The output end of the servo motor 5 is fixedly connected with a threaded rod 6. One end of the threaded rod 6 is threadedly sleeved with a clamping plate 7 located in the middle of the bottom side of the 3D printing base 1. A threaded sleeve matching the threaded rod 6 is provided inside the clamping plate 7.

[0029] The implementation principle of a pick-up device for a 3D printer in the embodiment of the present application is as follows: When the 3D printer finishes printing a printed part on the printing table 2 and needs to pick up and unload the part, the servo motor 5 is started. The middle clamping plate 7 is pushed through the threaded rod 6 and slides backward along the limit table 8, directly driving the first toothed plate 10 and the second toothed plate 14 on both sides of the clamping plate 7 to move. The first toothed plate 10 and the second toothed plate 14 respectively engage the gears 13 on both sides to rotate. The gears 13 on both sides respectively engage and push the first toothed plate 10 and the second toothed plate 14 on both sides to move in opposite directions, so as to realize the collective staggered movement of multiple clamping plates 7. Since the bumps 12 are provided on the clamping plates 7, when the clamping plates 7 move to drive the bumps 12, the spherical push blocks 11 are pushed to jack up the ejector rods 4, and the springs 9 are compressed, thus realizing the effect of multiple ejector rods 4 jacking up the printed part.

[0030] The above implementation manners are only the preferred implementation manners of the present utility model, and cannot be used to limit the protection scope of the present utility model. Any non-substantial changes and replacements made by those skilled in the art on the basis of the present utility model belong to the protection scope required by the present utility model.

Claims

1. A device for removing a component from a 3D printer, comprising a 3D printing base (1), characterized in that: The upper side of the 3D printing base (1) is fixedly connected to a printing table (2), and a plurality of punching holes (3) are formed through the printing table (2). The plurality of punching holes (3) are distributed in a matrix on the printing table (2), and the inner side of each punching hole (3) is slidably connected to a push rod (4) that can slide up and down. The plurality of push rods (4) can push out the printed workpiece from the upper side of the printing table (2) and realize the separation of the printed workpieces. A toothed plate linkage mechanism is provided between the printing table (2) and the 3D printing base (1) to enable the plurality of push rods (4) to move up and down simultaneously.

2. A 3D printer pickup device as claimed in claim 1, characterized in that: The toothed plate linkage mechanism comprises a plurality of limit platforms (8) fixedly connected to the inner bottom of the 3D printing base (1), a plurality of limit platforms (8) are provided with a card slot, the inner side of each card slot is slidably connected with a card plate (7), the plurality of card plates (7) are distributed in a linear array, a toothed plate cluster mechanism is provided on the plurality of card plates (7) for enabling two adjacent card plates (7) to move in an alternating manner, and each card plate (7) is provided with a protrusion pushing mechanism for pushing the ejector rod (4) upward.

3. A 3D printer pick-up device as claimed in claim 2, characterized in that: The tooth plate cluster mechanism comprises a first tooth plate (10) and a second tooth plate (14) respectively fixedly connected to the two sides of each card plate (7); a gear (13) rotatably connected to the bottom side of the 3D printing base (1) is arranged between two adjacent card plates (7); each gear (13) is simultaneously meshed with the first tooth plate (10) on the card plate (7) on one side and the second tooth plate (14) on the card plate (7) on the other side; and a motor drive mechanism for rotating a plurality of gears (13) simultaneously is arranged inside the 3D printing base (1).

4. A 3D printer pick-up device as claimed in claim 2, characterized in that: The lug pushing mechanism comprises a plurality of lugs (12) fixedly connected to the upper side of each clamping plate (7), a spherical pushing block (11) is arranged in pair above each lug (12), each spherical pushing block (11) is fixedly connected to the lower end of each push rod (4), and an elastic component for resetting the push rod (4) is arranged on the upper side of each spherical pushing block (11).

5. A 3D printer pick-up device as claimed in claim 4, characterized in that: The elastic component comprises a spring (9) arranged between each spherical push block (11) and the lower side of the printing workbench (2), each of the springs (9) being sleeved on the outer side of the push rod (4), the upper end of each spring (9) being fixedly connected to the lower side of the printing workbench (2) and the lower end being fixedly connected to the upper side of the spherical push block (11).

6. A 3D printer pick-up device as claimed in claim 3, characterized in that: The motor drive mechanism comprises a servo motor (5) fixedly connected to the bottom side of the 3D printing base (1); an output end of the servo motor (5) is fixedly connected to a threaded rod (6); one end of the threaded rod (6) is threadedly sleeved with a clamping plate (7) located in the middle of the bottom side of the 3D printing base (1).

Images