Discharging device of FDM printer

Abstract

The utility model discloses a discharging device of an FDM printer, which structurally comprises a base, a movable base arranged on the top surface of the base and connected with a sliding component, a driving unit arranged on the top surface of the movable base, a shoveling unit detachably arranged on an output shaft of the driving unit, and two transverse plates correspondingly arranged on the top surface of the base. A limiting abutting plate is installed at one ends of the two transverse plates, a plurality of bearing plates are distributed in the position, located in an enclosure interval between the two transverse plates and the limiting abutting plate, of the top face of the machine base, the bearing plates are used for bearing a printing bottom plate to be shoveled, and the transverse plates and the limiting abutting plate form enclosure limiting on the printing bottom plate to be printed; according to the material shoveling device, the sliding assembly, the driving unit and the material shoveling unit are arranged for shoveling a formed product on the printing bottom plate, operation is convenient and fast, the material shoveling process and force are stable, damage to the printed product cannot be caused, and the printing bottom plate to be printed is limited in an enclosed mode through the transverse plate and the limiting abutting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, and more specifically, it relates to a discharging device for an FDM printer. Background Art

[0002] 3D printing technology is a technology that constructs objects by layer-by-layer printing using powdered metal, plastic or other bondable materials based on digital model files. 3D printing is usually realized by a 3D printer. The 3D printer includes a support component and a forming platform arranged on the support component. A printed part is processed between the support component and the forming platform, and the printed part adheres to the forming platform.

[0003] After the 3D printer finishes printing, it is necessary to unload the printed part. The existing unloading method is generally that the user manually uses a tool to separate the forming platform from the printed part, which is likely to damage the printed part due to excessive force, thus wasting costs and being inconvenient to operate. Summary of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a discharging device for an FDM printer to solve the above technical problems.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A discharging device for an FDM printer includes a machine base. A movable base is arranged on the top surface of the machine base, and the movable base is connected with a sliding component. A driving unit is arranged on the top surface of the movable base, and a material shoveling unit is detachably arranged on the output shaft of the driving unit. Two cross plates are correspondingly arranged on the top surface of the machine base. A limiting abutting plate is installed at one end of the two cross plates. A number of supporting plates are distributed in the enclosed area between the two cross plates and the limiting abutting plate on the top surface of the machine base. The supporting plates are used to provide support for the printing base plate to be shoveled with materials, and the cross plates and the limiting abutting plate form an enclosed limit for the printing base plate to be printed.

[0006] The utility model is further arranged as: The sliding component includes two slide rails correspondingly arranged on the top surface of the machine base. Each slide rail is provided with two sliders, and the movable base is installed at the upper ends of the four sliders.

[0007] The utility model is further arranged as: The driving unit is a gear motor.

[0008] The utility model is further arranged as: The material shoveling unit includes an adjusting seat and a tool holder connected to the adjusting seat. An assembly block is formed at the rear end of the adjusting seat, and a limiting hole is formed in the middle of the assembly block. The output shaft of the driving unit is drivingly connected with an installation disc. An assembly groove adapted to the assembly block is formed on the installation disc. A first threaded hole communicating with the assembly groove is formed on the outer peripheral surface of the installation disc. An external fastener extends into the limiting hole and is tightened with the first threaded hole to realize the installation and fixation of the adjusting seat.

[0009] The present utility model is further configured as follows: an activity groove is formed at the front end of the adjustment seat, two sliding rods are correspondingly arranged in the activity groove, an adjustment screw rod is rotatably arranged between the two sliding rods in the activity groove, the upper end of the adjustment screw rod penetrates and extends above the adjustment seat and has a knob portion, an adjustment block is arranged in the activity groove, and the adjustment block has a guiding hole adapted to the two sliding rods and a second threaded hole adapted to the adjustment screw rod.

[0010] The present utility model is further configured as follows: the tool holder has an L-shaped structure and an assembly concave position is formed in the middle. Four first fastening holes are distributed in a rectangular shape in the vertical part of the assembly concave position, and second fastening holes are formed at the corresponding positions of each first fastening hole where the adjustment block is located.

[0011] The present utility model is further configured as follows: a shovel knife is connected to the tool holder. The shovel knife is formed with an installation portion adapted to the transverse part of the assembly concave position. At least one third fastening hole is formed in the installation portion, and a fourth fastening hole is formed at the corresponding position of the transverse part of the assembly concave position where the third fastening hole is located.

[0012] In summary, the present utility model has the following beneficial effects: the present utility model shovels the formed product on the printing bottom plate through the setting of the sliding component, the driving unit and the material shoveling unit, the operation is convenient, the material shoveling process and strength are relatively stable, and the printing product will not be damaged. The cross plate and the limiting abutting plate form an enclosing limit for the printing bottom plate to be printed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor.

[0014] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 It is a schematic diagram of the structural disassembly of the material shoveling unit of the present utility model;

[0016] Figure 3 It is a schematic diagram of the cooperation between the movable base and the sliding component of the present utility model.

[0017] Reference numerals: 1, machine base; 10, printing base plate; 2, movable base; 20, driving unit; 21, slide rail; 22, slider; 3, material shoveling unit; 30, adjusting base; 31, tool holder; 32, assembly block; 33, limit hole; 34, mounting plate; 35, assembly groove; 36, first threaded hole; 4, cross plate; 40, limit abutting plate; 41, supporting plate; 5, movable groove; 50, slide bar; 51, adjusting screw; 52, knob part; 53, adjusting block; 54, guiding hole; 55, second threaded hole; 6, assembly recess; 60, first fastening hole; 61, second fastening hole; 7, material shovel; 70, mounting part; 71, third fastening hole; 72, fourth fastening hole; 73, adjusting rod. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-3 As shown, a discharging device of an FDM printer in an embodiment of the present invention includes a machine base 1. A movable base 2 is arranged on the top surface of the machine base 1, and the movable base 2 is connected with a sliding assembly. A driving unit 20 is arranged on the top surface of the movable base 2. A material shoveling unit 3 is detachably arranged on the output shaft of the driving unit 20. Two cross plates 4 are correspondingly arranged on the top surface of the machine base 1. A limit abutting plate 40 is installed at one end of the two cross plates 4. A plurality of supporting plates 41 are distributed in the enclosed area between the two cross plates 4 and the limit abutting plate 40 on the top surface of the machine base 1. The supporting plates 41 are used to provide support for the printing base plate 10 to be shoveled with materials. The cross plates 4 and the limit abutting plate 40 form an enclosed limit for the printing base plate 10 to be printed.

[0020] During use, after the printer completes the printing of the product on the printing base plate 10, the staff replaces the printing base plate 10 carrying the printed product from the printer to this discharging device. An enclosed area adapted to the printing base plate 10 is formed between the two cross plates 4 and the limit plate. An opening is formed on one side of the enclosed area for the printing base plate 10 to be pushed in. After the printing base plate 10 is installed in place, the sliding assembly drives the movable base 2 and the driving unit 20 to slide to the position where material shoveling is required. Then, the driving unit 20 controls the material shoveling unit 3 to shovel the formed product on the upper surface of the printing base plate 10. After the material shoveling is completed, the staff can take down the formed product; the supporting plates 41 provide support for the printing base plate 10, and a reinforcing rod is also arranged between the supporting plates 41;

[0021] Refer to the attached drawings of the specification Figure 1, an opening is formed on one side of the above-mentioned enclosed interval for the printing base plate 10 to be pushed in. Two transverse plates 4 are correspondingly provided with two through slots at the opening. A blocking rod is slidably arranged between the two through slots. The outer diameter of the blocking rod is larger than the inner diameter of the through slots. Adjusting rods 73 adapted to the through slots are formed at both ends of the blocking rod. The two adjusting rods 73 respectively penetrate and extend to the outside of the two transverse plates 4. The outer surface of the adjusting rod 73 has an external thread and is connected with a fastening nut. The position of the adjusting rod 73 is adjusted and fixed through the cooperation between the two fastening nuts and the adjusting rod 73 to block the opening of the above-mentioned enclosed interval, so as to prevent the printing base plate 10 from having an incorrect displacement during the material shoveling process. Further, the position of the adjusting rod 73 can be freely adjusted according to the specification of the printing base plate 10 to adapt to the limitation of printing base plates 10 of different sizes.

[0022] The sliding component includes two slide rails 21 correspondingly arranged on the top surface of the machine base 1. Each slide rail 21 is provided with two sliders 22. The movable base 2 is installed at the upper ends of the four sliders 22.

[0023] During use, the four sliders 22 are distributed in a distance shape on the lower surface of the movable base 2. The slide rails 21 and the sliders 22 are electric slide rails 21 and electric sliders 22 of the prior art and are electrically connected to an external control system to control the smooth displacement of the movable base 2 and the gear motor.

[0024] The material shoveling unit 3 includes an adjusting seat 30 and a tool holder 31 connected to the adjusting seat 30. An assembly block 32 is formed at the rear end of the adjusting seat 30, and a limiting hole 33 is formed in the middle of the assembly block 32. The output shaft of the driving unit 20 is drivingly connected with a mounting disc 34. An assembly groove 35 adapted to the assembly block 32 is formed on the mounting disc 34. A first threaded hole 36 communicating with the assembly groove 35 is formed on the outer peripheral surface of the mounting disc 34. An external fastener extends into the limiting hole 33 and is tightened with the first threaded hole 36 to realize the installation and fixation of the adjusting seat 30.

[0025] During use, the specific operation of installing the adjusting seat 30 is to align the assembly block 32 at the rear end of the adjusting seat 30 with the assembly groove 35 of the mounting disc 34 and push it in. When the assembly block 32 is installed in place, the limiting hole 33 in the middle of it is calibrated with the first threaded hole 36 of the mounting disc 34. At this time, the external fastener (bolt or screw) is tightened with the first threaded hole 36. While the fastener is tightened with the first threaded hole 36, it extends into the limiting hole 33. The assembly block 32 is limited to the assembly groove 35 through the fastener to realize the installation and fixation of the adjusting seat 30; the detachable connection of the adjusting seat 30 is convenient for daily maintenance and replacement.

[0026] A movable groove 5 is formed at the front end of the adjusting base 30. Two sliding rods 50 are correspondingly arranged in the movable groove 5. An adjusting screw rod 51 is rotatably arranged between the two sliding rods 50 in the movable groove 5. The upper end of the adjusting screw rod 51 penetrates and extends above the adjusting base 30 and has a knob portion 52. An adjusting block 53 is arranged in the movable groove 5. The adjusting block 53 has a guiding hole 54 adapted to the two sliding rods 50 and a second threaded hole 55 adapted to the adjusting screw rod 51; the tool holder 31 has an L-shaped structure and an assembly recess 6 is formed in the middle. Four first fastening holes 60 are distributed in a rectangular shape in the vertical portion of the assembly recess 6. The adjusting block 53 is formed with second fastening holes 61 corresponding to each of the first fastening holes 60; the tool holder 31 is connected with a scraping blade 7. The scraping blade 7 is formed with an installation portion 70 adapted to the horizontal portion of the assembly recess 6. The installation portion 70 is formed with at least one third fastening hole 71. The horizontal portion of the assembly recess 6 is formed with a fourth fastening hole 72 corresponding to the third fastening hole 71.

[0027] During use, the tool holder 31 is detachably connected to the adjusting block 53, which is convenient for daily maintenance and replacement. When specifically installing the tool holder 31, an external fastener (bolt or screw) is passed through the first fastening hole 60 and tightened with the second fastening hole 61 (the inner ring of the second fastening hole 61 has internal threads) of the adjusting block 53;

[0028] The scraping blade 7 is detachably connected to the tool holder 31, which is convenient for daily maintenance and replacement. When specifically installing the scraping blade 7, an external fastener (bolt or screw) is passed through the third fastening hole 71 and tightened with the fourth fastening hole 72 (the inner ring of the fourth fastening hole 72 has internal threads) of the tool holder 31;

[0029] Since the printing base plate 10 has different thicknesses, the adjusting base 30 can adjust the height of the tool holder 31 so that the height of the scraping blade 7 is on the same horizontal plane as the upper surface of the printing base plate 10, ensuring the scraping accuracy and improving the use flexibility of the equipment. The specific adjustment method is to rotate the knob portion 52 to drive the adjusting screw rod 51 to rotate. Through the threaded connection and cooperation between the adjusting screw rod 51 and the second threaded hole 55, and the guiding cooperation between the sliding rod 50 and the guiding hole 54, the adjusting block 53 is driven to move up and down radially along the movable groove 5 to achieve height adjustment.

[0030] The electrical components appearing in this article are all electrically connected to an external main controller and 220V mains electricity. And the main controller can be a conventional known device such as a computer for control. The front end of the machine base has a control panel to control the actions of each electrical component.

[0031] It should be noted that the terms used in the present utility model, such as "front", "rear", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present utility model.

[0032] The above is only the preferred embodiment of the present utility model. The protection scope of the present utility model is not limited to the above embodiments. Any technical solution falling within the idea of the present utility model belongs to the protection scope of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements should also be regarded as within the protection scope of the present utility model.

Claims

1. A discharging device for an FDM printer, comprising a machine base (1), characterized in that: The top surface of the machine base (1) is provided with a movable base (2), and the movable base (2) is connected with a sliding assembly. The top surface of the movable base (2) is provided with a driving unit (20). The output shaft of the driving unit (20) is detachably provided with a material shoveling unit (3). Corresponding to the top surface of the machine base (1), there are two cross plates (4). One end of the two cross plates (4) is provided with a limiting abutting plate (40). In the enclosed interval between the two cross plates (4) and the limiting abutting plate (40) on the top surface of the machine base (1), there are several supporting plates (41) distributed. The supporting plates (41) are used to provide support for the printing bottom plate (10) to be shoveled with materials. The cross plates (4) and the limiting abutting plate (40) form an enclosed limit for the printing bottom plate (10) to be printed.

2. The unloading device of the FDM printer according to claim 1, characterized in that: The sliding assembly includes two slide rails (21) correspondingly arranged on the top surface of the machine base (1). Each of the slide rails (21) is provided with two sliders (22) in a matching manner. The movable base (2) is installed at the upper ends of the four sliders (22).

3. The unloading device of the FDM printer according to claim 2, characterized in that: The driving unit (20) is a gear motor.

4. The unloading device of the FDM printer according to claim 1, characterized in that: The material shoveling unit (3) includes an adjusting seat (30) and a tool rest (31) connected to the adjusting seat (30). The rear end of the adjusting seat (30) is formed with an assembly block (32), and a limiting hole (33) is formed in the middle of the assembly block (32). The output shaft of the driving unit (20) is drivingly connected with a mounting disc (34). The mounting disc (34) is formed with an assembly groove (35) adapted to the assembly block (32). The outer peripheral surface of the mounting disc (34) is formed with a first threaded hole (36) communicated with the assembly groove (35). An external fastener extends into the limiting hole (33) and is screwed with the first threaded hole (36) to realize the installation and fixation of the adjusting seat (30).

5. The unloading device of the FDM printer according to claim 4, characterized in that: The front end of the adjusting seat (30) is formed with a movable groove (5). Corresponding to the movable groove (5), there are two slide rods (50). An adjusting screw (51) is rotatably arranged between the two slide rods (50) in the movable groove (5). The upper end of the adjusting screw (51) penetrates and extends above the adjusting seat (30) and has a knob part (52). An adjusting block (53) is arranged in the movable groove (5). The adjusting block (53) has a guiding hole (54) adapted to the two slide rods (50) and a second threaded hole (55) adapted to the adjusting screw (51).

6. The unloading device of the FDM printer according to claim 5, characterized in that: The tool rest (31) has an L-shaped structure, and an assembly recess (6) is formed in the middle. Four first fastening holes (60) are distributed in a rectangular shape in the vertical part of the assembly recess (6). The adjusting block (53) is formed with second fastening holes (61) corresponding to the positions of the first fastening holes (60).

7. The discharging device of the FDM printer according to claim 6, characterized in that: The tool rest (31) is connected with a shovel blade (7). The shovel blade (7) is formed with a mounting part (70) adapted to the horizontal part of the assembly recess (6). The mounting part (70) is formed with at least one third fastening hole (71). The horizontal part of the assembly recess (6) is formed with a fourth fastening hole (72) corresponding to the position of the third fastening hole (71).

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