Anti-pore pretreatment device for 3D printing plastic

Abstract

The utility model discloses an anti-pore pretreatment device for 3D printing plastics, which relates to the field of 3D printing and comprises a fixing plate, a drying mechanism and an adjusting mechanism, the drying mechanism is arranged on the front side of the fixing plate and used for drying 3D printing filaments, and the adjusting mechanism is used for adjusting the position of cleaning sponge. Printing filaments are arranged in the inner cavities of the connecting pipe and the mounting pipe in a penetrating mode, then the screw rod is rotated, the connecting block vertically moves on the screw rod, the two extrusion rods are driven to move downwards, inclined planes at the bottoms of the extrusion rods extrude the inner wall of the mounting groove, and the fixing block and the connecting rod are pushed to move towards one side. And a mounting block and a cleaning sponge are driven to move, so that the cleaning sponge cleans impurities on the outer wall of the printing filament, and a spiral heating pipe is used for drying the printing filament, so that the cleanliness and dryness of the printing filament are ensured, the 3D printing quality is improved, and the phenomenon that a printed product has pores is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of 3D printing, especially to a 3D printing plastic anti-pore pretreatment device. BACKGROUND

[0002] The working principle of 3D printer is to cut the digital model into slices, then print these slices layer by layer, and finally form a complete solid object by layering, which only needs to send the 3D model to the printer through computer software and select appropriate materials, and the printer can automatically complete the printing process.

[0003] The side of 3D printing model will appear defects, which are more like small holes and printing failure points that cause surface roughness than gaps, these defects may be isolated spots, or may be consistent flaws on the surface of the entire part, the moisture in the printing filament will cause small dots on the surface, resulting in the phenomenon of pore in the printed product, which affects the quality of 3D printing. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a 3D printing plastic anti-pore pretreatment device to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a 3D printing plastic anti-pore pretreatment device, comprising a fixed plate;

[0006] It also includes a drying mechanism and an adjusting mechanism, the drying mechanism is arranged on the front of the fixed plate, and the drying mechanism is used for drying treatment of 3D printing filament;

[0007] The drying mechanism includes a connecting pipe, one end of the connecting pipe is fixedly connected with the front of the fixed plate;

[0008] A spiral heating pipe is fixedly connected with the inner wall of the connecting pipe;

[0009] An installation pipe is fixedly connected with one end of the connecting pipe;

[0010] A cleaning sponge is arranged in the inner cavity of the installation pipe;

[0011] The adjusting mechanism is arranged on the installation pipe, and the adjusting mechanism is used for adjusting the position of the cleaning sponge.

[0012] Preferably, the drying mechanism further comprises:

[0013] An installation block is arranged in the middle of the inner cavity of the installation pipe, and the inner wall of the installation block is fixedly connected with the cleaning sponge;

[0014] The movable block is fixedly connected with one side of the outer wall of the mounting block, and the other end of the movable block is slidably inserted into the mounting pipe.

[0015] The fixed frame is fixedly connected with one side of the outer wall of the mounting pipe.

[0016] Preferably, the drying mechanism further comprises:

[0017] The limiting block is fixedly connected with the other end of the movable block, and the limiting block is arranged in the inner cavity of the fixed frame.

[0018] The compression spring is fixedly connected with one side of the inner wall of the fixed frame, and the other end of the compression spring is movably sleeved with the other end of the movable block.

[0019] Preferably, the adjusting mechanism comprises:

[0020] The connecting rod is fixedly connected with the outer wall of the mounting block, and the other end of the connecting rod is slidably inserted into the mounting pipe.

[0021] The fixed block is fixedly connected with the other end of the connecting rod.

[0022] The mounting groove is arranged on the fixed block, and the inner wall of the mounting groove is arranged as an inclined surface.

[0023] Preferably, the adjusting mechanism further comprises:

[0024] The extrusion rod is slidably inserted into the inner cavity of the mounting groove at the bottom, and the bottom end of the extrusion rod is attached to the inclined surface of the inner wall of the mounting groove.

[0025] The connecting block is fixedly connected with the top end of the extrusion rod at the lower surface of one end of the connecting block.

[0026] The screw rod is rotatably connected with the top of the mounting pipe at the bottom end, and the top of the screw rod is threadedly inserted into the middle part of the connecting block.

[0027] Preferably, the two sides of the fixed plate are provided with mounting holes, the middle part of the fixed plate is provided with a through hole, and the through hole is communicated with the inner cavity of the connecting pipe.

[0028] The technical effects and advantages of the present application are as follows:

[0029] This invention utilizes a combination of a connecting tube, a spiral heating tube, an installation tube, a cleaning sponge, a screw, a connecting block, an extrusion rod, a fixing block, and an installation groove. The printing filament is inserted into the inner cavities of the connecting tube and the installation tube. Rotating the screw causes the connecting block to move vertically, moving the two extrusion rods downwards. The inclined surfaces at the bottom of the extrusion rods press against the inner wall of the installation groove, pushing the fixing block and connecting rod to one side. This, in turn, moves the installation block and the cleaning sponge, allowing the cleaning sponge to press against the printing filaments of different sizes, cleaning impurities from the outer wall of the filaments. Furthermore, the spiral heating tube dries the printing filaments, ensuring their cleanliness and dryness, improving the quality of 3D printing, and preventing porosity in the printed product. Attached Figure Description

[0030] Fig. 1 This is a schematic diagram of the overall structure of this utility model.

[0031] Fig. 2 This is a top sectional view of the installation pipe of this utility model.

[0032] Fig. 3 This is a front sectional view of the fixing block of this utility model.

[0033] In the diagram: 1. Fixed plate; 2. Drying mechanism; 21. Connecting pipe; 22. Spiral heating pipe; 23. Mounting pipe; 24. Cleaning sponge; 25. Mounting block; 26. Movable block; 27. Fixed frame; 28. Limiting block; 29. ​​Compression spring; 3. Adjusting mechanism; 31. Connecting rod; 32. Fixed block; 33. Mounting groove; 34. Extrusion rod; 35. Connecting block; 36. Screw. Detailed Implementation

[0034] 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.

[0035] This utility model provides, for example Figs. 1-3The shown one kind is the anti-pore preprocessing device of 3D printing plastics, including fixed plate 1, drying mechanism 2 and adjusting mechanism 3, fixed plate 1 is installed in the feed inlet position of 3D printer, is used for to drying mechanism 2 and adjusting mechanism 3 installation fixed, drying mechanism 2 is set up at the front of fixed plate 1, drying mechanism 2 is used to dry processing to 3D printing filament, through drying mechanism 2 to printing filament is cleaned and is handled with drying, prevent moisture from causing the influence to 3D printing, adjusting mechanism 3 is set up on installation pipe 23, adjusting mechanism 3 is used for the position of cleaning sponge 24 is adjusted, through adjusting mechanism 3 makes cleaning sponge 24 and the outer wall of printing filament closely adhere.

[0036] The drying mechanism 2 comprises a connecting pipe 21, a spiral heating pipe 22, a mounting pipe 23, cleaning sponges 24, a mounting block 25, a movable block 26, a fixing frame 27, a limiting block 28 and a compression spring 29, one end of the connecting pipe 21 is fixedly connected with the front surface of the fixed plate 1, the connecting pipe 21 is used for fixedly mounting the mounting pipe 23 and the spiral heating pipe 22, the spiral heating pipe 22 is fixedly connected with the inner wall of the connecting pipe 21, the spiral heating pipe 22 is electrically connected with an external power supply through an external switch, the printing filament is arranged in the inner cavity of the spiral heating pipe 22, the spiral heating pipe 22 is used for drying treatment of the printing filament, the mounting pipe 23 is fixedly connected with one end of the connecting pipe 21, the mounting pipe 23 is used for mounting the cleaning sponges 24, the cleaning sponges 24 are arranged in the inner cavities of the mounting pipe 23, the two cleaning sponges 24 are symmetrically arranged on the two sides of the inner cavities of the mounting pipe 23, the mounting block 25 is arranged in the middle of the inner cavities of the mounting pipe 23, the inner wall of the mounting block 25 is fixedly connected with the cleaning sponges 24, the mounting block 25 is arranged in an arc block shape and is used for driving the cleaning sponges 24 to move, one end of the movable block 26 is fixedly connected with one side of the outer wall of the mounting block 25, the other end of the movable block 26 is slidably and penetratingly connected with one side of the mounting pipe 23, the movable block 26 is used for fixedly mounting the mounting block 25 and driving the movable block 26 and the cleaning sponges 24 to move in the horizontal direction, the distance between the two cleaning sponges 24 is adjusted, the fixing frame 27 is fixedly connected with one side of the outer wall of the mounting pipe 23, the fixing frame 27 is used for accommodating and protecting the compression spring 29, the limiting block 28 is fixedly connected with the other end of the movable block 26, the limiting block 28 is arranged in the inner cavity of the fixing frame 27, the limiting block 28 moves together with the movable block 26 and is used for extruding the compression spring 29, one end of the compression spring 29 is fixedly connected with one side of the inner wall of the fixing frame 27, the other end of the compression spring 29 is movably sleeved with the other end of the movable block 26, the elastic effect of the compression spring 29 is used for pushing and supporting the limiting block 28 and the movable block 26, the stability of the mounting block 25 and the cleaning sponges 24 is ensured, the printing filament is arranged in the inner cavities of the connecting pipe 21 and the mounting pipe 23, the elastic effect of the compression spring 29 is used for pushing the limiting block 28 and the movable block 26, the cleaning sponges 24 are extruded with the printing filament, the impurities on the outer wall of the printing filament are cleaned, the drying treatment of the printing filament is performed by the spiral heating pipe 22, the neatness and dryness of the printing filament are ensured, and the quality of 3D printing is improved.

[0037] The adjusting mechanism 3 comprises a connecting rod 31, a fixing block 32, a mounting groove 33, extruding rods 34, a connecting block 35 and a screw rod 36, one end of the connecting rod 31 is fixedly connected with the outer wall of the mounting block 25, the other end of the connecting rod 31 is slidably and penetratingly connected with the mounting pipe 23, the connecting rod 31 is used to drive the mounting block 25 to move in the inner cavity of the mounting pipe 23, the fixing block 32 is fixedly connected with the other end of the connecting rod 31, the fixing block 32 is arranged in the inner cavity of the fixing frame 27, the mounting groove 33 is arranged on the fixing block 32, the inner wall of the mounting groove 33 is arranged in a slope, the inner cavity of the mounting groove 33 is slidably and penetratingly connected with the bottom of the extruding rod 34, the bottom of the extruding rod 34 is slidably and penetratingly connected with the inner cavity of the mounting groove 33, the bottom end of the extruding rod 34 is fitted with the slope of the inner wall of the mounting groove 33, when the extruding rod 34 moves downward, the slope of the bottom of the extruding rod 34 extrudes the inner wall of the mounting groove 33, pushes the fixing block 32 and the connecting rod 31 to move to one side, drives the mounting block 25 and the cleaning sponge 24 to move, the lower surface of one end of the connecting block 35 is fixedly connected with the top end of the extruding rod 34, the two extruding rods 34 are fixedly connected through the connecting block 35, drives the two extruding rods 34 to move in the vertical direction, the bottom end of the screw rod 36 is rotatably connected with the top of the mounting pipe 23, the top of the screw rod 36 is threadedly and penetratingly connected with the middle part of the connecting block 35, the connecting block 35 moves vertically on the screw rod 36 by rotating the screw rod 36, drives the two extruding rods 34 to move together, when the extruding rod 34 moves downward, the slope of the bottom of the extruding rod 34 extrudes the inner wall of the mounting groove 33, pushes the fixing block 32 and the connecting rod 31 to move to one side, drives the mounting block 25 and the cleaning sponge 24 to move, so that the cleaning sponge 24 extrudes the printing filaments of different sizes, and the impurities on the outer wall of the printing filaments are cleaned, mounting holes are arranged on the two sides of the fixed plate 1, the fixed plate 1 is fixedly installed by penetrating the bolts in the inner cavities of the mounting holes, a through hole is arranged in the middle part of the fixed plate 1, and the through hole is communicated with the inner cavity of the connecting pipe 21.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement or improvement made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A pore-preventing pretreatment device for 3D printing plastic, comprising: a fixed plate (1); characterized in that it further comprises a drying mechanism (2) and an adjusting mechanism (3), the drying mechanism (2) is arranged on the front surface of the fixed plate (1), and the drying mechanism (2) is used for drying treatment of 3D printing filaments; the drying mechanism (2) comprises a connecting pipe (21), one end of the connecting pipe (21) is fixedly connected with the front surface of the fixed plate (1); a spiral heating pipe (22) is fixedly connected with the inner wall of the connecting pipe (21); an installation pipe (23) is fixedly connected with one end of the connecting pipe (21); a cleaning sponge (24) is arranged in the inner cavity of the installation pipe (23); the adjusting mechanism (3) is arranged on the installation pipe (23), and the adjusting mechanism (3) is used for adjusting the position of the cleaning sponge (24).

2. A void-preventing pretreatment device for 3D-printed plastics according to claim 1, characterized in that the drying mechanism (2) further comprises: an installation block (25) is arranged in the middle of the inner cavity of the installation pipe (23), and the inner wall of the installation block (25) is fixedly connected with the cleaning sponge (24); a movable block (26) is fixedly connected with one side of the outer wall of the installation block (25) at one end, and the other end of the movable block (26) is slidably and penetratingly connected with one side of the installation pipe (23); a fixed frame (27) is fixedly connected with one side of the outer wall of the installation pipe (23).

3. A void-preventing pretreatment device for 3D-printed plastics according to claim 2, characterized in that the drying mechanism (2) further comprises: a limiting block (28) is fixedly connected with the other end of the movable block (26), and the limiting block (28) is arranged in the inner cavity of the fixed frame (27); a compression spring (29) is fixedly connected with one side of the inner wall of the fixed frame (27) at one end, and the other end of the compression spring (29) is movably sleeved with the other end of the movable block (26).

4. A void-preventing pretreatment device for 3D printed plastic according to claim 2, characterized in that, the adjusting mechanism (3) comprises: a connecting rod (31) is fixedly connected with the outer wall of the installation block (25) at one end, and the other end of the connecting rod (31) is slidably and penetratingly connected with the installation pipe (23); a fixed block (32) is fixedly connected with the other end of the connecting rod (31); an installation groove (33) is arranged on the fixed block (32), and the inner wall of the installation groove (33) is arranged in an inclined surface.

5. A void-preventing pretreatment device for 3D-printed plastics according to claim 4, characterized in that the adjusting mechanism (3) further comprises: a pressing rod (34) is slidably and penetratingly connected with the inner cavity of the installation groove (33) at the bottom, and the bottom end of the pressing rod (34) is fitted with the inclined surface of the inner wall of the installation groove (33); a connecting block (35) is fixedly connected with the top end of the pressing rod (34) at the lower surface of one end; a screw rod (36) is rotatably connected with the top of the installation pipe (23) at the bottom end, and the top of the screw rod (36) is threadedly and penetratingly connected with the middle part of the connecting block (35).

6. A void-preventing pretreatment device for 3D printed plastic according to claim 1, characterized in that, Both sides of the fixed plate (1) are provided with mounting holes, and a through hole is formed in the middle of the fixed plate (1), which is communicated with the inner cavity of the connecting pipe (21).

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