Additive manufacturing machine with automatic feeding function

Abstract

The additive manufacturing machine with the automatic feeding function comprises a machine body, a door body is hinged to the front face of the machine body through hinges, a placing plate is fixedly connected to the interior of the machine body, a printing head is arranged at the top of the interior of the machine body, and a raw material bin is formed in the position, close to the middle, of the top of the machine body. A filtering mechanism is movably installed on the lower portion of the interior of the raw material bin, a limiting sliding groove is formed in the rear portion of the top of the machine body, a motor is arranged at the end of the interior of the limiting sliding groove, a threaded lead screw is arranged at the end of the motor, the threaded lead screw is sleeved with a guide block, and a feeding mechanism is movably connected to the top of the guide block. According to the feeding mechanism, the vacuum suction pump works to generate negative pressure, materials are sucked in through the suction pipe and then discharged into the raw material bin through the discharging pipe, automatic feeding is achieved, and the feeding mechanism is matched with the motor to drive the threaded lead screw to drive the guide block to move horizontally so that the materials can be evenly fed into the raw material bin.

Description

TECHNICAL FIELD

[0001] The utility model relates to additive manufacturing technical field, concretely is a kind of additive manufacturing machine with automatic feeding function. BACKGROUND

[0002] Additive manufacturing is an advanced manufacturing technology that builds three-dimensional objects by layering materials, commonly known as 3D printing. Additive manufacturing uses a bottom-up approach to directly build objects from scratch, reducing material waste and improving design freedom. Depending on the purpose and performance requirements of the object, materials such as plastic, metal, ceramic and composite materials are used. These materials are usually in the form of powder for processing and manufacturing.

[0003] In the prior art, when additive manufacturing is performed, powder raw materials need to be added to the hopper of the machine body. However, this process is usually done manually, which consumes a lot of physical labor of workers and increases the amount of labor for people. Therefore, an additive manufacturing device capable of automatic feeding is needed.

[0004] However, there is no effective solution to the problems in the related art. UTILITY MODEL CONTENT

[0005] To overcome the above technical problems existing in the prior art, the utility model provides an additive manufacturing machine with automatic feeding function.

[0006] Therefore, the utility model adopts the following specific technical solutions:

[0007] An additive manufacturing machine with automatic feeding function includes a machine body, a door body hinged to the front of the machine body, a placement plate fixedly connected inside the machine body, a print head provided at the top of the machine body, a raw material bin provided at the top of the machine body, a filter mechanism movably installed inside the raw material bin, a limiting sliding groove provided at the top of the machine body, a motor provided at the inner end of the limiting sliding groove, a threaded screw provided at the end of the motor, a guide block provided outside the threaded screw, and a feeding mechanism movably connected to the top of the guide block.

[0008] Preferably, the bottom of the vacuum suction pump is fixedly connected with a bottom plate, the two sides of the bottom plate are fixedly connected with extension plates, threaded holes are provided on the surfaces of the extension plates and the guide block, and the threaded holes are rotatably connected with fastening bolts. The bolt structure allows the feeding mechanism to be stably connected with the guide block.

[0009] Preferably, the top edge of the limiting sliding groove is hinged with a shielding plate through a hinge, the shielding plate is made of plastic material, and the limiting sliding groove is blocked after use of the equipment to avoid that dust and impurities in the outside adhere to the screw rod to cause the guide block to be unable to move horizontally normally.

[0010] Preferably, a holding handle is fixedly connected to the top of the shielding plate close to the edge, and a plurality of semicircular grooves are formed in the surface of the holding handle, so that the shielding plate can be conveniently opened by holding.

[0011] Preferably, the filtering mechanism comprises an outer frame, and a filter screen is arranged on the inner side of the outer frame, the filtering mechanism is arranged in the interior of the raw material bin, the raw material discharged from the discharge pipe is filtered, the agglomerated or caked part in the raw material is removed, and the quality of the material entering the raw material bin is ensured.

[0012] Preferably, a butt joint column is fixedly connected to the bottom edge of the outer frame, a connecting frame is fixedly connected to the lower inner wall of the raw material bin, a butt joint hole is formed in the top edge of the connecting frame, and the size of the connecting frame and the outer frame is matched, so that the filtering mechanism can be quickly connected and assembled by inserting the butt joint column into the butt joint hole on the connecting frame.

[0013] Preferably, a rubber anti-skid sleeve is fixedly connected to the inner wall of the connecting frame, and magnetic pieces are fixedly connected to the bottom of the connecting frame and the end of the butt joint column, so that the connection stability between the filtering mechanism and the connecting frame is improved.

[0014] Preferably, protrusions are fixedly connected to the top of the outer frame close to the two side edges, and two groups of limiting pulling holes are formed in the surface of the protrusions, so that the filtering mechanism can be quickly taken out of the raw material bin by hooking the protrusions with fingers and pulling upward.

[0015] The filtering mechanism has the advantages that:

[0016] 1. The feeding mechanism is arranged on the top of the machine body, a negative pressure is generated by the vacuum suction pump, the material is sucked into the raw material bin through the suction pipe, and then the material is discharged into the raw material bin through the discharge pipe, so that automatic feeding is realized, the material can be uniformly fed into the raw material bin by driving the guide block to move horizontally through the motor and the screw rod, and the material is prevented from being stacked.

[0017] 2. The filtering mechanism is arranged in the interior of the raw material bin, the raw material discharged from the discharge pipe is filtered, the agglomerated or caked part in the raw material is removed, the quality of the material entering the raw material bin is ensured, the filtering mechanism has a simple structure, can be quickly installed in the interior of the raw material bin, and is convenient for people to use. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a front structural diagram according to an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the rear structure according to an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the feeding mechanism structure according to an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the filter mechanism structure according to an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the overall structure of the guide block according to an embodiment of the present utility model.

[0024] In the diagram: 1. Machine body; 2. Door; 3. Print head; 4. Placement plate; 5. Raw material bin; 6. Limiting slide; 7. Threaded screw; 8. Guide block; 9. Feeding mechanism; 901. Vacuum suction pump; 902. Base plate; 903. Suction pipe; 904. Discharge pipe; 905. Extension plate; 10. Baffle plate; 11. Connecting frame; 12. Docking hole; 13. Threaded hole; 14. Filtering mechanism; 1401. Outer frame; 1402. Filter screen; 1403. Docking post; 1404. Magnetic suction plate; 1405. Protrusion; 15. Motor. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] According to an embodiment of the present invention, an additive manufacturing machine with automatic feeding function is provided.

[0027] Example 1;

[0028] like Figures 1-5As shown, the additive manufacturing machine with automatic feeding function of the embodiment of the utility model, including body 1, the front of body 1 is hinged with door body 2 through hinge, the inside fixedly connected with placing plate 4 of body 1, the top of body 1 inside is provided with print head 3, the top of body 1 is centrally provided with raw material bin 5, the inside of raw material bin 5 is movably installed with filter mechanism 14 in lower part, the top of body 1 is provided with limit sliding slot 6 in rear part, the inside end of limit sliding slot 6 is provided with motor 15, the end of motor 15 is provided with threaded lead screw 7, the outside of threaded lead screw 7 is provided with guide block 8, the top of guide block 8 is movably connected with feeding mechanism 9, feeding mechanism 9 includes vacuum suction pump 901, the front of vacuum suction pump 901 is fixedly connected with suction pipe 903, the back of vacuum suction pump 901 is fixedly connected with discharge pipe 904.

[0029] In the embodiment, the bottom of the vacuum suction pump 901 is fixedly connected with the bottom plate 902, the two sides of the bottom plate 902 are fixedly connected with the extension plate 905, the surfaces of the extension plate 905 and the guide block 8 are provided with threaded holes 13, and the threaded holes 13 are rotatably connected with the fastening bolts. By setting the bolt structure, the feeding mechanism 9 can be stably connected with the guide block 8.

[0030] In the embodiment, the top edge of the limit sliding slot 6 is hinged with the shielding plate 10 through the hinge, the shielding plate 10 is made of plastic material, and the limit sliding slot 6 is blocked after the device is used by setting the shielding plate 10, so that the dust and impurities in the external environment are prevented from adhering to the threaded lead screw 7, thereby preventing the guide block 8 from moving horizontally normally.

[0031] In the embodiment, the top edge of the shielding plate 10 is fixedly connected with the holding handle, a plurality of semicircular grooves are formed on the surface of the holding handle, and the shielding plate 10 can be conveniently opened by people holding the holding handle.

[0032] In the embodiment, the filter mechanism 14 includes an outer frame 1401, and a filter screen 1402 is arranged on the inner side surface of the outer frame 1401. The filter mechanism 14 is installed in the inside of the raw material bin 5, filters the raw materials discharged from the discharge pipe 904, removes the agglomerated or caked parts in the raw materials, and guarantees the quality of the materials entering the raw material bin 5.

[0033] In the embodiment, the bottom edge of the outer frame 1401 is fixedly connected with the butt joint column 1403, the inner wall of the raw material bin 5 is fixedly connected with the connecting frame 11 in the lower part, the top edge of the connecting frame 11 is provided with the butt joint hole 12, and the size of the connecting frame 11 and the outer frame 1401 is matched with each other. By setting the butt joint column 1403, the filter mechanism 14 can be quickly connected and assembled by inserting the butt joint column 1403 into the butt joint hole 12 on the connecting frame 11, and the filter mechanism 14 is convenient to disassemble and assemble.

[0034] In the embodiment, the inner wall of the connecting frame 11 is fixedly connected with a rubber anti-skid sleeve, the bottom of the inside of the connecting frame 11 and the end of the butt joint column 1403 are fixedly connected with magnetic attraction sheets 1404, and the rubber anti-skid sleeve and the magnetic attraction sheets 1404 can well increase the connection stability between the filtering mechanism 14 and the connecting frame 11.

[0035] In the embodiment, the top of the outer frame body 1401 is fixedly connected with protrusions 1405 near the two side edges, the surface of each protrusion 1405 is provided with two sets of limiting pull holes, and the protrusions 1405 provided with the limiting pull holes can be quickly pulled up by fingers to take out the filtering mechanism 14 from the raw material bin 5.

[0036] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail.

[0037] In actual application, the vacuum material suction pump 901 is placed on the guide block 8 through the bottom plate 902 at the bottom of the vacuum material suction pump 901, then the extension plate 905 is matched with the threaded hole 13 on the guide block 8, the fastening bolt is inserted into the rotating connection to complete the installation step of the feeding mechanism 9, after the above steps are completed, the outer frame body 1401 is inserted into the butt joint hole 12 on the connecting frame 11 through the butt joint column 1403 at the bottom of the outer frame body 1401 to quickly connect and assemble the filtering mechanism 14, in cooperation with the rubber anti-skid sleeve and the magnetic attraction sheets 1404, the connection stability between the filtering mechanism 14 and the connecting frame 11 can be well increased, after the above operation is completed, the material suction pipe 903 is inserted into the raw material barrel, negative pressure is generated by the working of the vacuum material suction pump 901, materials are sucked into the material suction pipe 903, then the materials are discharged into the raw material bin 5 through the discharge pipe 904, automatic feeding is realized, the materials can be uniformly fed into the raw material bin 5 by cooperation of the motor 15 driving the threaded lead screw 7 to drive the guide block 8 to move horizontally, material stacking is avoided, after the equipment is used, the feeding mechanism 9 is disassembled, finally the blocking plate 10 is covered to block the limiting sliding groove 6 to perform dustproof treatment.

[0038] In summary, by means of the above technical scheme of the utility model, the feeding mechanism 9 is installed at the top of the machine body 1, negative pressure is generated by the working of the vacuum material suction pump 901, materials are sucked into the material suction pipe 903, then the materials are discharged into the raw material bin 5 through the discharge pipe 904, automatic feeding is realized, the materials can be uniformly fed into the raw material bin 5 by cooperation of the motor 15 driving the threaded lead screw 7 to drive the guide block 8 to move horizontally, material stacking is avoided, the filtering mechanism 14 is installed in the inside of the raw material bin 5, and the raw materials discharged through the discharge pipe 904 are filtered to remove the part of the raw materials that are agglomerated or caked, so that the quality of the materials entering the raw material bin 5 is guaranteed, the filtering mechanism 14 has a simple structure and can be quickly installed in the inside of the raw material bin 5, which is convenient for people to use.

[0039] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An additive manufacturing machine with automatic feeding function, comprising a machine body (1), characterized in that, The front of the machine body (1) is hinged to a door (2). The inside of the machine body (1) is fixedly connected to a placement plate (4). The top of the inside of the machine body (1) is provided with a print head (3). The top of the machine body (1) is provided with a raw material hopper (5) near the middle. The bottom of the raw material hopper (5) is movably installed with a filter mechanism (14). The top of the machine body (1) is provided with a limit slide groove (6). The end of the limit slide groove (6) is provided with a motor (15). The end of the motor (15) is provided with a threaded screw (7). The outside of the threaded screw (7) is fitted with a guide block (8). The top of the guide block (8) is movably connected to a feeding mechanism (9). The feeding mechanism (9) includes a vacuum suction pump (901). The front of the vacuum suction pump (901) is fixedly connected with a suction pipe (903). The back of the vacuum suction pump (901) is fixedly connected with a discharge pipe (904).

2. The additive manufacturing machine with automatic feeding function according to claim 1, characterized in that, The bottom of the vacuum suction pump (901) is fixedly connected to a base plate (902), and extension plates (905) are fixedly connected to both sides of the base plate (902). Threaded holes (13) are opened on the surface of the extension plate (905) and the guide block (8), and fastening bolts are rotatably connected inside the threaded holes (13).

3. The additive manufacturing machine with automatic feeding function according to claim 1, characterized in that, A baffle plate (10) is hinged to the top edge of the limiting slide (6) via a hinge. The baffle plate (10) is made of plastic.

4. An additive manufacturing machine with automatic feeding function according to claim 3, characterized in that, A grip handle is fixedly connected to the top of the shield (10) near the edge, and the surface of the grip handle has multiple sets of semi-circular grooves.

5. An additive manufacturing machine with automatic feeding function according to claim 1, characterized in that, The filtering mechanism (14) includes an outer frame (1401), and a filter screen (1402) is provided on the inner side of the outer frame (1401).

6. An additive manufacturing machine with automatic feeding function according to claim 5, characterized in that, A docking post (1403) is fixedly connected to the bottom edge of the outer frame (1401), and a connecting frame (11) is fixedly connected to the lower part of the inner wall of the raw material silo (5). A docking hole (12) is opened at the top edge of the connecting frame (11), and the size of the connecting frame (11) matches that of the outer frame (1401).

7. An additive manufacturing machine with automatic feeding function according to claim 6, characterized in that, The inner wall of the connecting frame (11) is fixedly connected with a rubber anti-slip sleeve, and the bottom of the connecting frame (11) and the end of the docking column (1403) are both fixedly connected with magnetic suction pieces (1404).

8. An additive manufacturing machine with automatic feeding function according to claim 5, characterized in that, The top of the outer frame (1401) is fixedly connected to protrusions (1405) near the two side edges, and the surface of the protrusions (1405) is provided with two sets of limiting pull holes.

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