Particle cutting device for particle extrusion type 3D printing

Abstract

The utility model relates to a pelletizing device for particle extrusion type 3D printing. The device comprises a bottom plate, a supporting column, a driving sliding block, a connecting block, a horizontal guide rail, a lead screw, a nut seat, an upper flat plate, a bolt, a material pushing plate, a material pressing plate, a motor fixing frame, a brushless motor, a front flat plate, a crank wheel, a driving shaft, a connecting rod, a vertical guide rail, an execution sliding block, a cutter connecting block, a cutter, a guide pipe fixing frame, a guide pipe fixing cover, a safety hood, a wire, a guide fixing ring and a storage box. The device comprises a lead screw coupler, a propulsion motor, a lead screw supporting seat fixing end, a motor bracket, a lead screw supporting seat supporting end, a driving coupler and a guide pipe. A crank sliding block mechanism and a ball screw sleeve are applied, a wire is driven through the ball screw sleeve, and meanwhile, a cutter is driven by reciprocating rotation of the crank sliding block mechanism to stably cut the wire, so that the purpose of uniform pelletizing is achieved; and meanwhile, the multi-material composite wires of different specifications can be matched by changing the guide pipes of different sizes, so that more use requirements are met.

Description

Technical Field

[0001] The utility model relates to the field of pelletizing equipment, in particular to a pelletizing device for particle extrusion type 3D printing. Background Art

[0002] In multi-material particle extrusion 3D printing, when multiple material types and multi-material gradient raw materials are required, it is difficult to mix materials, especially large-diameter particle materials and micro-nano materials. However, it is relatively easy to make a composite material filament with a reinforcing material and a matrix material. By using different reinforcing material filaments to prepare particles, multi-material and multi-material gradient parts can be prepared through particle extrusion 3D printing. Summary of the invention

[0003] The purpose of the utility model is to provide a pelletizing device for particle extrusion 3D printing, which can cut and granulate multi-material wires of different sizes and specifications to meet different particle 3D printing needs.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a pelletizing device for particle extrusion 3D printing, including a base plate, a pillar, a driving slider, a connecting block, a horizontal guide rail, a lead screw, a nut seat, an upper plate, a bolt, a push plate, a pressure plate, a motor fixing frame, a brushless motor, a front plate, a crank wheel, a driving shaft, a connecting rod, a vertical guide rail, an execution slider, a tool connecting block, a tool, a guide tube fixing frame, a guide tube fixing cover, a safety cover, a wire material, a guide fixing ring, a storage box, a lead screw coupling, a propulsion motor, a lead screw support seat fixed end, a motor bracket, a lead screw support seat supporting end, a driving coupling, and a guide tube. The motor bracket is installed at the left end of the base plate, the propulsion motor is installed on the motor bracket, the propulsion motor is connected to the lead screw through the lead screw coupling, the lead screw is installed on the support end and the fixed end of the lead screw support seat, horizontal guide rails are installed on both sides of the lead screw, the driving slider is installed on the horizontal guide rail, the driving slider and the nut seat installed on the lead screw are installed together on the connecting block, the push plate is installed through the upper plate on the connecting block, and the pressure plate is installed on the push plate. The upper plate is mounted on the bottom plate through pillars and bolts, the motor bracket is mounted on the upper plate, the brushless motor is mounted on the motor bracket, the brushless motor drives the driving shaft through the driving coupling, the driving shaft then drives the crank wheel, the crank wheel is connected to the tool connection block mounted on the execution slider through a connecting rod, and the tool is installed on the tool connection block. The execution slider is mounted on the vertical guide rail, the vertical guide rail is mounted on the front plate, and the front plate is mounted on the upper plate. A feed hole is opened at the left end of the upper plate, a guide tube fixing cover is installed at the right end of the feed hole, a guide tube fixing frame is installed on the guide tube fixing cover, a guide tube is installed on the guide tube fixing frame, and the wire material to be cut is installed inside the guide tube. A storage box is installed below the feed hole.

[0005] The utility model has the following beneficial effects: it is easy to use, saves labor costs, and can be used repeatedly; it can efficiently and accurately cut multi-material composite wires of different small specifications to obtain granular materials of uniform size. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] The present patent is further described below in conjunction with the accompanying drawings.

[0007] Attached Figure 1 It is an axonometric schematic diagram of the utility model.

[0008] Attached Figure 2 It is a front view with a partial section of the utility model.

[0009] Attached Figure 3 It is an enlarged schematic cross-sectional view of a guide tube fixing portion of the utility model.

[0010] 1. Base plate, 2. Pillar, 3. Drive slider, 4. Connecting block, 5. Horizontal guide rail, 6. Lead screw, 7. Nut seat, 8. Upper plate, 9. Bolt, 10. Push plate, 11. Press plate, 12. Motor holder, 13. Brushless motor, 14. Front plate, 15. Crank wheel, 16. Driving shaft, 17. Connecting rod, 18. Vertical guide rail, 19. Executing slider, 20. Tool connecting block, 21. Tool, 22. Guide tube fixing frame, 23. Guide tube fixing cover, 24. Safety cover, 25. Wire, 26. Guide fixing ring, 27. Storage box, 28. Lead screw coupling, 29. Propulsion motor, 30. Lead screw support seat fixed end, 31. Motor bracket, 32. Lead screw support seat supporting end, 33. Drive coupling, 34. Guide tube. DETAILED DESCRIPTION

[0011] In the present utility model, for the convenience of description, the relative position relationship of each component is described according to the attached specification. Figure 1 The layout is described in detail, such as: the position relationship of top, bottom, front, back, left, right, inside, outside, etc. is based on the instructions attached Figure 1 direction to determine.

[0012] Example 1, a pelletizing device for particle extrusion 3D printing, such as Figure 1 and 2As shown, the wire cutting is mainly carried out by the rotation of the crank wheel driven by the motor and the rotation feeding of the ball screw, which cooperate with each other. The motor bracket 31 is installed at the left end of the base plate 1, and the propulsion motor 29 is installed on the motor bracket 31. The propulsion motor 29 is connected to the screw 6 through the screw coupling 28. The screw 6 is installed on the support end 32 and the fixed end 30 of the screw support seat. Horizontal guide rails 5 are installed on both sides of the screw 6, and the driving slider 3 is installed on the horizontal guide rails 5. The driving slider 3 and the nut seat 7 installed on the screw 6 are installed on the connecting block 4 together. The push plate 10 is installed on the connecting block 4 through the upper flat plate 8, and the pressing plate 11 is installed on the push plate 10. The upper plate 8 is mounted on the bottom plate 1 through the support 2 and the bolt 9, the motor fixing frame 12 is mounted on the upper plate 8, the brushless motor 13 is mounted on the motor fixing frame 12, the brushless motor 13 drives the driving shaft 16 through the driving coupling 33, the driving shaft 16 further drives the crank wheel 15, the crank wheel 15 is connected to the tool connecting block 20 installed on the execution slider 19 through the connecting rod 17, and the tool connecting block 20 is installed with the tool 21. The execution slider 19 is installed on the vertical guide rail 18, the vertical guide rail 18 is installed on the front plate 14, and the front plate 14 is installed on the upper plate 8. A material discharge hole is opened at the left end of the upper plate 8, a guide tube fixing cover 23 is installed at the right end of the material discharge hole, the guide tube fixing frame 22 is installed on the guide tube fixing cover 23, the guide tube 34 is installed on the rear countersunk hole of the guide tube fixing frame 22, the guide fixing ring 26 is installed on the front side of the guide tube fixing frame 22, and the wire material 25 required to be cut is installed inside the guide tube 34. A storage box 27 is installed below the material discharge hole, and a safety cover 24 is installed on the left side of the material discharge hole.

[0013] In practical operation, the pelletizer is placed stably on a horizontal surface. The push plate 10 is moved to the rightmost end of the upper plate 8, the pressure plate 11 is removed, and a suitable wire 25 and guide tube 34 are selected to match. The guide tube 34 is first installed on the guide tube fixing frame 22, and then fixed by the guide tube fixing cover 23, and the wire 25 is inserted into the guide tube 34, so that the leftmost end of the wire 25 is aligned with the left end of the guide fixing ring 26, and the push plate 10 is installed. The brushless motor 13 drives the driving shaft 16, and the driving shaft 16 in turn drives the crank wheel 15. One end of the connecting rod 17 is connected to the crank wheel 15, and the other end is connected to the tool connecting block 20. The tool 21 is installed on the tool connecting block 20. The two are installed together on the execution slider 19, and the execution slider 19 performs vertical reciprocating up and down motion on the vertical guide rail 18. At the same time, the propulsion motor 29 drives the connecting block 4 through the screw 6. The push plate 10 and the pressure plate 11 are installed on the connecting block 4. The two cooperate to advance the wire 25. The speed of the brushless motor 13 and the propulsion motor 29 is adjusted. The former execution system and the latter feeding system cooperate with each other to cut the wire 25. Finally, the particles will pass through the discharge hole below the tool 21 with the assistance of the safety cover 24 and fall into the storage box 27, so that particles of uniform size can be obtained.

Claims

1. A pelletizing device for particle extrusion 3D printing, comprising a base plate (1), a support (2), a driving slider (3), a connecting block (4), a horizontal guide rail (5), a lead screw (6), a nut seat (7), an upper plate (8), a bolt (9), a push plate (10), a pressure plate (11), a motor fixing frame (12), a brushless motor (13), a front plate (14), a crank wheel (15), a driving shaft (16), a connecting rod (17), a vertical guide rail (18), an execution slider (19), a tool connecting block (20), a tool (21), a guide tube fixing frame (22), a guide tube fixing cover (23), a safety cover (24), a wire (25), a guide fixing ring (26), a storage box (27), a lead screw coupling (28), a propulsion motor (29), a lead screw support seat fixing end (30), a motor bracket (31), a lead screw support seat supporting end (32), a driving coupling (33), and a guide tube (34), wherein: The motor bracket (31) is installed at the left end of the base plate (1), and the propulsion motor (29) is installed on the motor bracket (31). The propulsion motor (29) is connected to the lead screw (6) through a lead screw coupling (28). The lead screw (6) is installed on the support end (32) and the fixed end (30) of the lead screw support seat. Horizontal guide rails (5) are installed on both sides of the lead screw (6). The driving slider (3) and the nut seat (7) installed on the lead screw (6) are connected to each other. ) are installed on the connecting block (4), a push plate (10) is installed on the connecting block (4) through the upper plate (8), a pressing plate (11) is installed on the push plate (10), the upper plate (8) is installed on the bottom plate (1) through the support (2) and the bolt (9), the motor fixing frame (12) is installed on the upper plate (8), the brushless motor (13) is installed on the motor fixing frame (12), and the brushless motor (13) drives the driving shaft (16) through the driving coupling (33), The driving shaft (16) further drives the crank wheel (15), and the crank wheel (15) is connected to a tool connecting block (20) installed on an execution slide block (19) through a connecting rod (17). A tool (21) is installed on the tool connecting block (20). The execution slide block (19) is installed on a vertical guide rail (18), and the vertical guide rail (18) is installed on a front plate (14). The front plate (14) is installed on an upper plate (8). A material discharge hole is opened at the left end of the upper plate (8). A guide tube fixing cover (23) is installed at the right end of the material hole, a guide tube fixing frame (22) is installed on the guide tube fixing cover (23), a guide tube (34) is installed in the rear countersunk hole on the guide tube fixing frame (22), a guide fixing ring (26) is installed on the front side of the guide tube fixing frame (22), a wire material (25) to be cut is installed inside the guide tube (34), a storage box (27) is installed below the material discharge hole, and a safety cover (24) is installed on the left side of the material discharge hole.

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